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Diffstat (limited to 'web/nms-public.gathering.org/old/speedometer/c3-master/c3.js')
| -rw-r--r-- | web/nms-public.gathering.org/old/speedometer/c3-master/c3.js | 7049 |
1 files changed, 7049 insertions, 0 deletions
diff --git a/web/nms-public.gathering.org/old/speedometer/c3-master/c3.js b/web/nms-public.gathering.org/old/speedometer/c3-master/c3.js new file mode 100644 index 0000000..233d1b5 --- /dev/null +++ b/web/nms-public.gathering.org/old/speedometer/c3-master/c3.js @@ -0,0 +1,7049 @@ +(function (window) { + 'use strict'; + + /*global define, module, exports, require */ + + var c3 = { version: "0.4.10" }; + + var c3_chart_fn, + c3_chart_internal_fn, + c3_chart_internal_axis_fn; + + function API(owner) { + this.owner = owner; + } + + function inherit(base, derived) { + + if (Object.create) { + derived.prototype = Object.create(base.prototype); + } else { + var f = function f() {}; + f.prototype = base.prototype; + derived.prototype = new f(); + } + + derived.prototype.constructor = derived; + + return derived; + } + + function Chart(config) { + var $$ = this.internal = new ChartInternal(this); + $$.loadConfig(config); + $$.init(); + + // bind "this" to nested API + (function bindThis(fn, target, argThis) { + Object.keys(fn).forEach(function (key) { + target[key] = fn[key].bind(argThis); + if (Object.keys(fn[key]).length > 0) { + bindThis(fn[key], target[key], argThis); + } + }); + })(c3_chart_fn, this, this); + } + + function ChartInternal(api) { + var $$ = this; + $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined; + $$.api = api; + $$.config = $$.getDefaultConfig(); + $$.data = {}; + $$.cache = {}; + $$.axes = {}; + } + + c3.generate = function (config) { + return new Chart(config); + }; + + c3.chart = { + fn: Chart.prototype, + internal: { + fn: ChartInternal.prototype, + axis: { + fn: Axis.prototype + } + } + }; + c3_chart_fn = c3.chart.fn; + c3_chart_internal_fn = c3.chart.internal.fn; + c3_chart_internal_axis_fn = c3.chart.internal.axis.fn; + + c3_chart_internal_fn.init = function () { + var $$ = this, config = $$.config; + + $$.initParams(); + + if (config.data_url) { + $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_keys, $$.initWithData); + } + else if (config.data_json) { + $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys)); + } + else if (config.data_rows) { + $$.initWithData($$.convertRowsToData(config.data_rows)); + } + else if (config.data_columns) { + $$.initWithData($$.convertColumnsToData(config.data_columns)); + } + else { + throw Error('url or json or rows or columns is required.'); + } + }; + + c3_chart_internal_fn.initParams = function () { + var $$ = this, d3 = $$.d3, config = $$.config; + + // MEMO: clipId needs to be unique because it conflicts when multiple charts exist + $$.clipId = "c3-" + (+new Date()) + '-clip', + $$.clipIdForXAxis = $$.clipId + '-xaxis', + $$.clipIdForYAxis = $$.clipId + '-yaxis', + $$.clipIdForGrid = $$.clipId + '-grid', + $$.clipIdForSubchart = $$.clipId + '-subchart', + $$.clipPath = $$.getClipPath($$.clipId), + $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis), + $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis); + $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid), + $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart), + + $$.dragStart = null; + $$.dragging = false; + $$.flowing = false; + $$.cancelClick = false; + $$.mouseover = false; + $$.transiting = false; + + $$.color = $$.generateColor(); + $$.levelColor = $$.generateLevelColor(); + + $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc; + $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc; + $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([ + [".%L", function (d) { return d.getMilliseconds(); }], + [":%S", function (d) { return d.getSeconds(); }], + ["%I:%M", function (d) { return d.getMinutes(); }], + ["%I %p", function (d) { return d.getHours(); }], + ["%-m/%-d", function (d) { return d.getDay() && d.getDate() !== 1; }], + ["%-m/%-d", function (d) { return d.getDate() !== 1; }], + ["%-m/%-d", function (d) { return d.getMonth(); }], + ["%Y/%-m/%-d", function () { return true; }] + ]); + + $$.hiddenTargetIds = []; + $$.hiddenLegendIds = []; + $$.focusedTargetIds = []; + $$.defocusedTargetIds = []; + + $$.xOrient = config.axis_rotated ? "left" : "bottom"; + $$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left"); + $$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right"); + $$.subXOrient = config.axis_rotated ? "left" : "bottom"; + + $$.isLegendRight = config.legend_position === 'right'; + $$.isLegendInset = config.legend_position === 'inset'; + $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right'; + $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left'; + $$.legendStep = 0; + $$.legendItemWidth = 0; + $$.legendItemHeight = 0; + + $$.currentMaxTickWidths = { + x: 0, + y: 0, + y2: 0 + }; + + $$.rotated_padding_left = 30; + $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30; + $$.rotated_padding_top = 5; + + $$.withoutFadeIn = {}; + + $$.intervalForObserveInserted = undefined; + + $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js + }; + + c3_chart_internal_fn.initChartElements = function () { + if (this.initBar) { this.initBar(); } + if (this.initLine) { this.initLine(); } + if (this.initArc) { this.initArc(); } + if (this.initGauge) { this.initGauge(); } + if (this.initText) { this.initText(); } + }; + + c3_chart_internal_fn.initWithData = function (data) { + var $$ = this, d3 = $$.d3, config = $$.config; + var defs, main, binding = true; + + $$.axis = new Axis($$); + + if ($$.initPie) { $$.initPie(); } + if ($$.initBrush) { $$.initBrush(); } + if ($$.initZoom) { $$.initZoom(); } + + if (!config.bindto) { + $$.selectChart = d3.selectAll([]); + } + else if (typeof config.bindto.node === 'function') { + $$.selectChart = config.bindto; + } + else { + $$.selectChart = d3.select(config.bindto); + } + if ($$.selectChart.empty()) { + $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0); + $$.observeInserted($$.selectChart); + binding = false; + } + $$.selectChart.html("").classed("c3", true); + + // Init data as targets + $$.data.xs = {}; + $$.data.targets = $$.convertDataToTargets(data); + + if (config.data_filter) { + $$.data.targets = $$.data.targets.filter(config.data_filter); + } + + // Set targets to hide if needed + if (config.data_hide) { + $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide); + } + if (config.legend_hide) { + $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide); + } + + // when gauge, hide legend // TODO: fix + if ($$.hasType('gauge')) { + config.legend_show = false; + } + + // Init sizes and scales + $$.updateSizes(); + $$.updateScales(); + + // Set domains for each scale + $$.x.domain(d3.extent($$.getXDomain($$.data.targets))); + $$.y.domain($$.getYDomain($$.data.targets, 'y')); + $$.y2.domain($$.getYDomain($$.data.targets, 'y2')); + $$.subX.domain($$.x.domain()); + $$.subY.domain($$.y.domain()); + $$.subY2.domain($$.y2.domain()); + + // Save original x domain for zoom update + $$.orgXDomain = $$.x.domain(); + + // Set initialized scales to brush and zoom + if ($$.brush) { $$.brush.scale($$.subX); } + if (config.zoom_enabled) { $$.zoom.scale($$.x); } + + /*-- Basic Elements --*/ + + // Define svgs + $$.svg = $$.selectChart.append("svg") + .style("overflow", "hidden") + .on('mouseenter', function () { return config.onmouseover.call($$); }) + .on('mouseleave', function () { return config.onmouseout.call($$); }); + + // Define defs + defs = $$.svg.append("defs"); + $$.clipChart = $$.appendClip(defs, $$.clipId); + $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis); + $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis); + $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid); + $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart); + $$.updateSvgSize(); + + // Define regions + main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main')); + + if ($$.initSubchart) { $$.initSubchart(); } + if ($$.initTooltip) { $$.initTooltip(); } + if ($$.initLegend) { $$.initLegend(); } + + /*-- Main Region --*/ + + // text when empty + main.append("text") + .attr("class", CLASS.text + ' ' + CLASS.empty) + .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers. + .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE. + + // Regions + $$.initRegion(); + + // Grids + $$.initGrid(); + + // Define g for chart area + main.append('g') + .attr("clip-path", $$.clipPath) + .attr('class', CLASS.chart); + + // Grid lines + if (config.grid_lines_front) { $$.initGridLines(); } + + // Cover whole with rects for events + $$.initEventRect(); + + // Define g for chart + $$.initChartElements(); + + // if zoom privileged, insert rect to forefront + // TODO: is this needed? + main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions) + .attr('class', CLASS.zoomRect) + .attr('width', $$.width) + .attr('height', $$.height) + .style('opacity', 0) + .on("dblclick.zoom", null); + + // Set default extent if defined + if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); } + + // Add Axis + $$.axis.init(); + + // Set targets + $$.updateTargets($$.data.targets); + + // Draw with targets + if (binding) { + $$.updateDimension(); + $$.config.oninit.call($$); + $$.redraw({ + withTransition: false, + withTransform: true, + withUpdateXDomain: true, + withUpdateOrgXDomain: true, + withTransitionForAxis: false + }); + } + + // Bind resize event + if (window.onresize == null) { + window.onresize = $$.generateResize(); + } + if (window.onresize.add) { + window.onresize.add(function () { + config.onresize.call($$); + }); + window.onresize.add(function () { + $$.api.flush(); + }); + window.onresize.add(function () { + config.onresized.call($$); + }); + } + + // export element of the chart + $$.api.element = $$.selectChart.node(); + }; + + c3_chart_internal_fn.smoothLines = function (el, type) { + var $$ = this; + if (type === 'grid') { + el.each(function () { + var g = $$.d3.select(this), + x1 = g.attr('x1'), + x2 = g.attr('x2'), + y1 = g.attr('y1'), + y2 = g.attr('y2'); + g.attr({ + 'x1': Math.ceil(x1), + 'x2': Math.ceil(x2), + 'y1': Math.ceil(y1), + 'y2': Math.ceil(y2) + }); + }); + } + }; + + + c3_chart_internal_fn.updateSizes = function () { + var $$ = this, config = $$.config; + var legendHeight = $$.legend ? $$.getLegendHeight() : 0, + legendWidth = $$.legend ? $$.getLegendWidth() : 0, + legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight, + hasArc = $$.hasArcType(), + xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'), + subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0; + + $$.currentWidth = $$.getCurrentWidth(); + $$.currentHeight = $$.getCurrentHeight(); + + // for main + $$.margin = config.axis_rotated ? { + top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(), + right: hasArc ? 0 : $$.getCurrentPaddingRight(), + bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(), + left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft()) + } : { + top: 4 + $$.getCurrentPaddingTop(), // for top tick text + right: hasArc ? 0 : $$.getCurrentPaddingRight(), + bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(), + left: hasArc ? 0 : $$.getCurrentPaddingLeft() + }; + + // for subchart + $$.margin2 = config.axis_rotated ? { + top: $$.margin.top, + right: NaN, + bottom: 20 + legendHeightForBottom, + left: $$.rotated_padding_left + } : { + top: $$.currentHeight - subchartHeight - legendHeightForBottom, + right: NaN, + bottom: xAxisHeight + legendHeightForBottom, + left: $$.margin.left + }; + + // for legend + $$.margin3 = { + top: 0, + right: NaN, + bottom: 0, + left: 0 + }; + if ($$.updateSizeForLegend) { $$.updateSizeForLegend(legendHeight, legendWidth); } + + $$.width = $$.currentWidth - $$.margin.left - $$.margin.right; + $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom; + if ($$.width < 0) { $$.width = 0; } + if ($$.height < 0) { $$.height = 0; } + + $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width; + $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom; + if ($$.width2 < 0) { $$.width2 = 0; } + if ($$.height2 < 0) { $$.height2 = 0; } + + // for arc + $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0); + $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10); + if ($$.hasType('gauge')) { + $$.arcHeight += $$.height - $$.getGaugeLabelHeight(); + } + if ($$.updateRadius) { $$.updateRadius(); } + + if ($$.isLegendRight && hasArc) { + $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1; + } + }; + + c3_chart_internal_fn.updateTargets = function (targets) { + var $$ = this; + + /*-- Main --*/ + + //-- Text --// + $$.updateTargetsForText(targets); + + //-- Bar --// + $$.updateTargetsForBar(targets); + + //-- Line --// + $$.updateTargetsForLine(targets); + + //-- Arc --// + if ($$.hasArcType() && $$.updateTargetsForArc) { $$.updateTargetsForArc(targets); } + + /*-- Sub --*/ + + if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); } + + // Fade-in each chart + $$.showTargets(); + }; + c3_chart_internal_fn.showTargets = function () { + var $$ = this; + $$.svg.selectAll('.' + CLASS.target).filter(function (d) { return $$.isTargetToShow(d.id); }) + .transition().duration($$.config.transition_duration) + .style("opacity", 1); + }; + + c3_chart_internal_fn.redraw = function (options, transitions) { + var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config; + var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType); + var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, + withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend, + withEventRect, withDimension, withUpdateXAxis; + var hideAxis = $$.hasArcType(); + var drawArea, drawBar, drawLine, xForText, yForText; + var duration, durationForExit, durationForAxis; + var waitForDraw, flow; + var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom; + var xv = $$.xv.bind($$), cx, cy; + + options = options || {}; + withY = getOption(options, "withY", true); + withSubchart = getOption(options, "withSubchart", true); + withTransition = getOption(options, "withTransition", true); + withTransform = getOption(options, "withTransform", false); + withUpdateXDomain = getOption(options, "withUpdateXDomain", false); + withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false); + withTrimXDomain = getOption(options, "withTrimXDomain", true); + withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain); + withLegend = getOption(options, "withLegend", false); + withEventRect = getOption(options, "withEventRect", true); + withDimension = getOption(options, "withDimension", true); + withTransitionForExit = getOption(options, "withTransitionForExit", withTransition); + withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition); + + duration = withTransition ? config.transition_duration : 0; + durationForExit = withTransitionForExit ? duration : 0; + durationForAxis = withTransitionForAxis ? duration : 0; + + transitions = transitions || $$.axis.generateTransitions(durationForAxis); + + // update legend and transform each g + if (withLegend && config.legend_show) { + $$.updateLegend($$.mapToIds($$.data.targets), options, transitions); + } else if (withDimension) { + // need to update dimension (e.g. axis.y.tick.values) because y tick values should change + // no need to update axis in it because they will be updated in redraw() + $$.updateDimension(true); + } + + // MEMO: needed for grids calculation + if ($$.isCategorized() && targetsToShow.length === 0) { + $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]); + } + + if (targetsToShow.length) { + $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain); + if (!config.axis_x_tick_values) { + tickValues = $$.axis.updateXAxisTickValues(targetsToShow); + } + } else { + $$.xAxis.tickValues([]); + $$.subXAxis.tickValues([]); + } + + if (config.zoom_rescale && !options.flow) { + xDomainForZoom = $$.x.orgDomain(); + } + + $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom)); + $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom)); + + if (!config.axis_y_tick_values && config.axis_y_tick_count) { + $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count)); + } + if (!config.axis_y2_tick_values && config.axis_y2_tick_count) { + $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count)); + } + + // axes + $$.axis.redraw(transitions, hideAxis); + + // Update axis label + $$.axis.updateLabels(withTransition); + + // show/hide if manual culling needed + if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) { + if (config.axis_x_tick_culling && tickValues) { + for (i = 1; i < tickValues.length; i++) { + if (tickValues.length / i < config.axis_x_tick_culling_max) { + intervalForCulling = i; + break; + } + } + $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) { + var index = tickValues.indexOf(e); + if (index >= 0) { + d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block'); + } + }); + } else { + $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block'); + } + } + + // setup drawer - MEMO: these must be called after axis updated + drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined; + drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined; + drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined; + xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true); + yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false); + + // Update sub domain + if (withY) { + $$.subY.domain($$.getYDomain(targetsToShow, 'y')); + $$.subY2.domain($$.getYDomain(targetsToShow, 'y2')); + } + + // tooltip + $$.tooltip.style("display", "none"); + + // xgrid focus + $$.updateXgridFocus(); + + // Data empty label positioning and text. + main.select("text." + CLASS.text + '.' + CLASS.empty) + .attr("x", $$.width / 2) + .attr("y", $$.height / 2) + .text(config.data_empty_label_text) + .transition() + .style('opacity', targetsToShow.length ? 0 : 1); + + // grid + $$.updateGrid(duration); + + // rect for regions + $$.updateRegion(duration); + + // bars + $$.updateBar(durationForExit); + + // lines, areas and cricles + $$.updateLine(durationForExit); + $$.updateArea(durationForExit); + $$.updateCircle(); + + // text + if ($$.hasDataLabel()) { + $$.updateText(durationForExit); + } + + // arc + if ($$.redrawArc) { $$.redrawArc(duration, durationForExit, withTransform); } + + // subchart + if ($$.redrawSubchart) { + $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices); + } + + // circles for select + main.selectAll('.' + CLASS.selectedCircles) + .filter($$.isBarType.bind($$)) + .selectAll('circle') + .remove(); + + // event rects will redrawn when flow called + if (config.interaction_enabled && !options.flow && withEventRect) { + $$.redrawEventRect(); + if ($$.updateZoom) { $$.updateZoom(); } + } + + // update circleY based on updated parameters + $$.updateCircleY(); + + // generate circle x/y functions depending on updated params + cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$); + cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$); + + if (options.flow) { + flow = $$.generateFlow({ + targets: targetsToShow, + flow: options.flow, + duration: options.flow.duration, + drawBar: drawBar, + drawLine: drawLine, + drawArea: drawArea, + cx: cx, + cy: cy, + xv: xv, + xForText: xForText, + yForText: yForText + }); + } + + if ((duration || flow) && $$.isTabVisible()) { // Only use transition if tab visible. See #938. + // transition should be derived from one transition + d3.transition().duration(duration).each(function () { + var transitionsToWait = []; + + // redraw and gather transitions + [ + $$.redrawBar(drawBar, true), + $$.redrawLine(drawLine, true), + $$.redrawArea(drawArea, true), + $$.redrawCircle(cx, cy, true), + $$.redrawText(xForText, yForText, options.flow, true), + $$.redrawRegion(true), + $$.redrawGrid(true), + ].forEach(function (transitions) { + transitions.forEach(function (transition) { + transitionsToWait.push(transition); + }); + }); + + // Wait for end of transitions to call flow and onrendered callback + waitForDraw = $$.generateWait(); + transitionsToWait.forEach(function (t) { + waitForDraw.add(t); + }); + }) + .call(waitForDraw, function () { + if (flow) { + flow(); + } + if (config.onrendered) { + config.onrendered.call($$); + } + }); + } + else { + $$.redrawBar(drawBar); + $$.redrawLine(drawLine); + $$.redrawArea(drawArea); + $$.redrawCircle(cx, cy); + $$.redrawText(xForText, yForText, options.flow); + $$.redrawRegion(); + $$.redrawGrid(); + if (config.onrendered) { + config.onrendered.call($$); + } + } + + // update fadein condition + $$.mapToIds($$.data.targets).forEach(function (id) { + $$.withoutFadeIn[id] = true; + }); + }; + + c3_chart_internal_fn.updateAndRedraw = function (options) { + var $$ = this, config = $$.config, transitions; + options = options || {}; + // same with redraw + options.withTransition = getOption(options, "withTransition", true); + options.withTransform = getOption(options, "withTransform", false); + options.withLegend = getOption(options, "withLegend", false); + // NOT same with redraw + options.withUpdateXDomain = true; + options.withUpdateOrgXDomain = true; + options.withTransitionForExit = false; + options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition); + // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called) + $$.updateSizes(); + // MEMO: called in updateLegend in redraw if withLegend + if (!(options.withLegend && config.legend_show)) { + transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0); + // Update scales + $$.updateScales(); + $$.updateSvgSize(); + // Update g positions + $$.transformAll(options.withTransitionForTransform, transitions); + } + // Draw with new sizes & scales + $$.redraw(options, transitions); + }; + c3_chart_internal_fn.redrawWithoutRescale = function () { + this.redraw({ + withY: false, + withSubchart: false, + withEventRect: false, + withTransitionForAxis: false + }); + }; + + c3_chart_internal_fn.isTimeSeries = function () { + return this.config.axis_x_type === 'timeseries'; + }; + c3_chart_internal_fn.isCategorized = function () { + return this.config.axis_x_type.indexOf('categor') >= 0; + }; + c3_chart_internal_fn.isCustomX = function () { + var $$ = this, config = $$.config; + return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs)); + }; + + c3_chart_internal_fn.isTimeSeriesY = function () { + return this.config.axis_y_type === 'timeseries'; + }; + + c3_chart_internal_fn.getTranslate = function (target) { + var $$ = this, config = $$.config, x, y; + if (target === 'main') { + x = asHalfPixel($$.margin.left); + y = asHalfPixel($$.margin.top); + } else if (target === 'context') { + x = asHalfPixel($$.margin2.left); + y = asHalfPixel($$.margin2.top); + } else if (target === 'legend') { + x = $$.margin3.left; + y = $$.margin3.top; + } else if (target === 'x') { + x = 0; + y = config.axis_rotated ? 0 : $$.height; + } else if (target === 'y') { + x = 0; + y = config.axis_rotated ? $$.height : 0; + } else if (target === 'y2') { + x = config.axis_rotated ? 0 : $$.width; + y = config.axis_rotated ? 1 : 0; + } else if (target === 'subx') { + x = 0; + y = config.axis_rotated ? 0 : $$.height2; + } else if (target === 'arc') { + x = $$.arcWidth / 2; + y = $$.arcHeight / 2; + } + return "translate(" + x + "," + y + ")"; + }; + c3_chart_internal_fn.initialOpacity = function (d) { + return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0; + }; + c3_chart_internal_fn.initialOpacityForCircle = function (d) { + return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0; + }; + c3_chart_internal_fn.opacityForCircle = function (d) { + var opacity = this.config.point_show ? 1 : 0; + return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0; + }; + c3_chart_internal_fn.opacityForText = function () { + return this.hasDataLabel() ? 1 : 0; + }; + c3_chart_internal_fn.xx = function (d) { + return d ? this.x(d.x) : null; + }; + c3_chart_internal_fn.xv = function (d) { + var $$ = this, value = d.value; + if ($$.isTimeSeries()) { + value = $$.parseDate(d.value); + } + else if ($$.isCategorized() && typeof d.value === 'string') { + value = $$.config.axis_x_categories.indexOf(d.value); + } + return Math.ceil($$.x(value)); + }; + c3_chart_internal_fn.yv = function (d) { + var $$ = this, + yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y; + return Math.ceil(yScale(d.value)); + }; + c3_chart_internal_fn.subxx = function (d) { + return d ? this.subX(d.x) : null; + }; + + c3_chart_internal_fn.transformMain = function (withTransition, transitions) { + var $$ = this, + xAxis, yAxis, y2Axis; + if (transitions && transitions.axisX) { + xAxis = transitions.axisX; + } else { + xAxis = $$.main.select('.' + CLASS.axisX); + if (withTransition) { xAxis = xAxis.transition(); } + } + if (transitions && transitions.axisY) { + yAxis = transitions.axisY; + } else { + yAxis = $$.main.select('.' + CLASS.axisY); + if (withTransition) { yAxis = yAxis.transition(); } + } + if (transitions && transitions.axisY2) { + y2Axis = transitions.axisY2; + } else { + y2Axis = $$.main.select('.' + CLASS.axisY2); + if (withTransition) { y2Axis = y2Axis.transition(); } + } + (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main')); + xAxis.attr("transform", $$.getTranslate('x')); + yAxis.attr("transform", $$.getTranslate('y')); + y2Axis.attr("transform", $$.getTranslate('y2')); + $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc')); + }; + c3_chart_internal_fn.transformAll = function (withTransition, transitions) { + var $$ = this; + $$.transformMain(withTransition, transitions); + if ($$.config.subchart_show) { $$.transformContext(withTransition, transitions); } + if ($$.legend) { $$.transformLegend(withTransition); } + }; + + c3_chart_internal_fn.updateSvgSize = function () { + var $$ = this, + brush = $$.svg.select(".c3-brush .background"); + $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight); + $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect') + .attr('width', $$.width) + .attr('height', $$.height); + $$.svg.select('#' + $$.clipIdForXAxis).select('rect') + .attr('x', $$.getXAxisClipX.bind($$)) + .attr('y', $$.getXAxisClipY.bind($$)) + .attr('width', $$.getXAxisClipWidth.bind($$)) + .attr('height', $$.getXAxisClipHeight.bind($$)); + $$.svg.select('#' + $$.clipIdForYAxis).select('rect') + .attr('x', $$.getYAxisClipX.bind($$)) + .attr('y', $$.getYAxisClipY.bind($$)) + .attr('width', $$.getYAxisClipWidth.bind($$)) + .attr('height', $$.getYAxisClipHeight.bind($$)); + $$.svg.select('#' + $$.clipIdForSubchart).select('rect') + .attr('width', $$.width) + .attr('height', brush.size() ? brush.attr('height') : 0); + $$.svg.select('.' + CLASS.zoomRect) + .attr('width', $$.width) + .attr('height', $$.height); + // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html> + $$.selectChart.style('max-height', $$.currentHeight + "px"); + }; + + + c3_chart_internal_fn.updateDimension = function (withoutAxis) { + var $$ = this; + if (!withoutAxis) { + if ($$.config.axis_rotated) { + $$.axes.x.call($$.xAxis); + $$.axes.subx.call($$.subXAxis); + } else { + $$.axes.y.call($$.yAxis); + $$.axes.y2.call($$.y2Axis); + } + } + $$.updateSizes(); + $$.updateScales(); + $$.updateSvgSize(); + $$.transformAll(false); + }; + + c3_chart_internal_fn.observeInserted = function (selection) { + var $$ = this, observer; + if (typeof MutationObserver === 'undefined') { + window.console.error("MutationObserver not defined."); + return; + } + observer= new MutationObserver(function (mutations) { + mutations.forEach(function (mutation) { + if (mutation.type === 'childList' && mutation.previousSibling) { + observer.disconnect(); + // need to wait for completion of load because size calculation requires the actual sizes determined after that completion + $$.intervalForObserveInserted = window.setInterval(function () { + // parentNode will NOT be null when completed + if (selection.node().parentNode) { + window.clearInterval($$.intervalForObserveInserted); + $$.updateDimension(); + $$.config.oninit.call($$); + $$.redraw({ + withTransform: true, + withUpdateXDomain: true, + withUpdateOrgXDomain: true, + withTransition: false, + withTransitionForTransform: false, + withLegend: true + }); + selection.transition().style('opacity', 1); + } + }, 10); + } + }); + }); + observer.observe(selection.node(), {attributes: true, childList: true, characterData: true}); + }; + + + c3_chart_internal_fn.generateResize = function () { + var resizeFunctions = []; + function callResizeFunctions() { + resizeFunctions.forEach(function (f) { + f(); + }); + } + callResizeFunctions.add = function (f) { + resizeFunctions.push(f); + }; + return callResizeFunctions; + }; + + c3_chart_internal_fn.endall = function (transition, callback) { + var n = 0; + transition + .each(function () { ++n; }) + .each("end", function () { + if (!--n) { callback.apply(this, arguments); } + }); + }; + c3_chart_internal_fn.generateWait = function () { + var transitionsToWait = [], + f = function (transition, callback) { + var timer = setInterval(function () { + var done = 0; + transitionsToWait.forEach(function (t) { + if (t.empty()) { + done += 1; + return; + } + try { + t.transition(); + } catch (e) { + done += 1; + } + }); + if (done === transitionsToWait.length) { + clearInterval(timer); + if (callback) { callback(); } + } + }, 10); + }; + f.add = function (transition) { + transitionsToWait.push(transition); + }; + return f; + }; + + c3_chart_internal_fn.parseDate = function (date) { + var $$ = this, parsedDate; + if (date instanceof Date) { + parsedDate = date; + } else if (typeof date === 'string') { + parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date); + } else if (typeof date === 'number' || !isNaN(date)) { + parsedDate = new Date(+date); + } + if (!parsedDate || isNaN(+parsedDate)) { + window.console.error("Failed to parse x '" + date + "' to Date object"); + } + return parsedDate; + }; + + c3_chart_internal_fn.isTabVisible = function () { + var hidden; + if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support + hidden = "hidden"; + } else if (typeof document.mozHidden !== "undefined") { + hidden = "mozHidden"; + } else if (typeof document.msHidden !== "undefined") { + hidden = "msHidden"; + } else if (typeof document.webkitHidden !== "undefined") { + hidden = "webkitHidden"; + } + + return document[hidden] ? false : true; + }; + + c3_chart_internal_fn.getDefaultConfig = function () { + var config = { + bindto: '#chart', + size_width: undefined, + size_height: undefined, + padding_left: undefined, + padding_right: undefined, + padding_top: undefined, + padding_bottom: undefined, + zoom_enabled: false, + zoom_extent: undefined, + zoom_privileged: false, + zoom_rescale: false, + zoom_onzoom: function () {}, + zoom_onzoomstart: function () {}, + zoom_onzoomend: function () {}, + interaction_enabled: true, + onmouseover: function () {}, + onmouseout: function () {}, + onresize: function () {}, + onresized: function () {}, + oninit: function () {}, + onrendered: function () {}, + transition_duration: 350, + data_x: undefined, + data_xs: {}, + data_xFormat: '%Y-%m-%d', + data_xLocaltime: true, + data_xSort: true, + data_idConverter: function (id) { return id; }, + data_names: {}, + data_classes: {}, + data_groups: [], + data_axes: {}, + data_type: undefined, + data_types: {}, + data_labels: {}, + data_order: 'desc', + data_regions: {}, + data_color: undefined, + data_colors: {}, + data_hide: false, + data_filter: undefined, + data_selection_enabled: false, + data_selection_grouped: false, + data_selection_isselectable: function () { return true; }, + data_selection_multiple: true, + data_selection_draggable: false, + data_onclick: function () {}, + data_onmouseover: function () {}, + data_onmouseout: function () {}, + data_onselected: function () {}, + data_onunselected: function () {}, + data_url: undefined, + data_json: undefined, + data_rows: undefined, + data_columns: undefined, + data_mimeType: undefined, + data_keys: undefined, + // configuration for no plot-able data supplied. + data_empty_label_text: "", + // subchart + subchart_show: false, + subchart_size_height: 60, + subchart_onbrush: function () {}, + // color + color_pattern: [], + color_threshold: {}, + // legend + legend_show: true, + legend_hide: false, + legend_position: 'bottom', + legend_inset_anchor: 'top-left', + legend_inset_x: 10, + legend_inset_y: 0, + legend_inset_step: undefined, + legend_item_onclick: undefined, + legend_item_onmouseover: undefined, + legend_item_onmouseout: undefined, + legend_equally: false, + // axis + axis_rotated: false, + axis_x_show: true, + axis_x_type: 'indexed', + axis_x_localtime: true, + axis_x_categories: [], + axis_x_tick_centered: false, + axis_x_tick_format: undefined, + axis_x_tick_culling: {}, + axis_x_tick_culling_max: 10, + axis_x_tick_count: undefined, + axis_x_tick_fit: true, + axis_x_tick_values: null, + axis_x_tick_rotate: 0, + axis_x_tick_outer: true, + axis_x_tick_multiline: true, + axis_x_tick_width: null, + axis_x_max: undefined, + axis_x_min: undefined, + axis_x_padding: {}, + axis_x_height: undefined, + axis_x_extent: undefined, + axis_x_label: {}, + axis_y_show: true, + axis_y_type: undefined, + axis_y_max: undefined, + axis_y_min: undefined, + axis_y_inverted: false, + axis_y_center: undefined, + axis_y_inner: undefined, + axis_y_label: {}, + axis_y_tick_format: undefined, + axis_y_tick_outer: true, + axis_y_tick_values: null, + axis_y_tick_count: undefined, + axis_y_tick_time_value: undefined, + axis_y_tick_time_interval: undefined, + axis_y_padding: {}, + axis_y_default: undefined, + axis_y2_show: false, + axis_y2_max: undefined, + axis_y2_min: undefined, + axis_y2_inverted: false, + axis_y2_center: undefined, + axis_y2_inner: undefined, + axis_y2_label: {}, + axis_y2_tick_format: undefined, + axis_y2_tick_outer: true, + axis_y2_tick_values: null, + axis_y2_tick_count: undefined, + axis_y2_padding: {}, + axis_y2_default: undefined, + // grid + grid_x_show: false, + grid_x_type: 'tick', + grid_x_lines: [], + grid_y_show: false, + // not used + // grid_y_type: 'tick', + grid_y_lines: [], + grid_y_ticks: 10, + grid_focus_show: true, + grid_lines_front: true, + // point - point of each data + point_show: true, + point_r: 2.5, + point_focus_expand_enabled: true, + point_focus_expand_r: undefined, + point_select_r: undefined, + // line + line_connectNull: false, + line_step_type: 'step', + // bar + bar_width: undefined, + bar_width_ratio: 0.6, + bar_width_max: undefined, + bar_zerobased: true, + // area + area_zerobased: true, + // pie + pie_label_show: true, + pie_label_format: undefined, + pie_label_threshold: 0.05, + pie_expand: true, + // gauge + gauge_label_show: true, + gauge_label_format: undefined, + gauge_expand: true, + gauge_min: 0, + gauge_max: 100, + gauge_units: undefined, + gauge_width: undefined, + // donut + donut_label_show: true, + donut_label_format: undefined, + donut_label_threshold: 0.05, + donut_width: undefined, + donut_expand: true, + donut_title: "", + // region - region to change style + regions: [], + // tooltip - show when mouseover on each data + tooltip_show: true, + tooltip_grouped: true, + tooltip_format_title: undefined, + tooltip_format_name: undefined, + tooltip_format_value: undefined, + tooltip_position: undefined, + tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) { + return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : ''; + }, + tooltip_init_show: false, + tooltip_init_x: 0, + tooltip_init_position: {top: '0px', left: '50px'} + }; + + Object.keys(this.additionalConfig).forEach(function (key) { + config[key] = this.additionalConfig[key]; + }, this); + + return config; + }; + c3_chart_internal_fn.additionalConfig = {}; + + c3_chart_internal_fn.loadConfig = function (config) { + var this_config = this.config, target, keys, read; + function find() { + var key = keys.shift(); + // console.log("key =>", key, ", target =>", target); + if (key && target && typeof target === 'object' && key in target) { + target = target[key]; + return find(); + } + else if (!key) { + return target; + } + else { + return undefined; + } + } + Object.keys(this_config).forEach(function (key) { + target = config; + keys = key.split('_'); + read = find(); + // console.log("CONFIG : ", key, read); + if (isDefined(read)) { + this_config[key] = read; + } + }); + }; + + c3_chart_internal_fn.getScale = function (min, max, forTimeseries) { + return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]); + }; + c3_chart_internal_fn.getX = function (min, max, domain, offset) { + var $$ = this, + scale = $$.getScale(min, max, $$.isTimeSeries()), + _scale = domain ? scale.domain(domain) : scale, key; + // Define customized scale if categorized axis + if ($$.isCategorized()) { + offset = offset || function () { return 0; }; + scale = function (d, raw) { + var v = _scale(d) + offset(d); + return raw ? v : Math.ceil(v); + }; + } else { + scale = function (d, raw) { + var v = _scale(d); + return raw ? v : Math.ceil(v); + }; + } + // define functions + for (key in _scale) { + scale[key] = _scale[key]; + } + scale.orgDomain = function () { + return _scale.domain(); + }; + // define custom domain() for categorized axis + if ($$.isCategorized()) { + scale.domain = function (domain) { + if (!arguments.length) { + domain = this.orgDomain(); + return [domain[0], domain[1] + 1]; + } + _scale.domain(domain); + return scale; + }; + } + return scale; + }; + c3_chart_internal_fn.getY = function (min, max, domain) { + var scale = this.getScale(min, max, this.isTimeSeriesY()); + if (domain) { scale.domain(domain); } + return scale; + }; + c3_chart_internal_fn.getYScale = function (id) { + return this.axis.getId(id) === 'y2' ? this.y2 : this.y; + }; + c3_chart_internal_fn.getSubYScale = function (id) { + return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY; + }; + c3_chart_internal_fn.updateScales = function () { + var $$ = this, config = $$.config, + forInit = !$$.x; + // update edges + $$.xMin = config.axis_rotated ? 1 : 0; + $$.xMax = config.axis_rotated ? $$.height : $$.width; + $$.yMin = config.axis_rotated ? 0 : $$.height; + $$.yMax = config.axis_rotated ? $$.width : 1; + $$.subXMin = $$.xMin; + $$.subXMax = $$.xMax; + $$.subYMin = config.axis_rotated ? 0 : $$.height2; + $$.subYMax = config.axis_rotated ? $$.width2 : 1; + // update scales + $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); }); + $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain()); + $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain()); + $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); }); + $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain()); + $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain()); + // update axes + $$.xAxisTickFormat = $$.axis.getXAxisTickFormat(); + $$.xAxisTickValues = $$.axis.getXAxisTickValues(); + $$.yAxisTickValues = $$.axis.getYAxisTickValues(); + $$.y2AxisTickValues = $$.axis.getY2AxisTickValues(); + + $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer); + $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer); + $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer); + $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer); + + // Set initialized scales to brush and zoom + if (!forInit) { + if ($$.brush) { $$.brush.scale($$.subX); } + if (config.zoom_enabled) { $$.zoom.scale($$.x); } + } + // update for arc + if ($$.updateArc) { $$.updateArc(); } + }; + + c3_chart_internal_fn.getYDomainMin = function (targets) { + var $$ = this, config = $$.config, + ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets), + j, k, baseId, idsInGroup, id, hasNegativeValue; + if (config.data_groups.length > 0) { + hasNegativeValue = $$.hasNegativeValueInTargets(targets); + for (j = 0; j < config.data_groups.length; j++) { + // Determine baseId + idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; }); + if (idsInGroup.length === 0) { continue; } + baseId = idsInGroup[0]; + // Consider negative values + if (hasNegativeValue && ys[baseId]) { + ys[baseId].forEach(function (v, i) { + ys[baseId][i] = v < 0 ? v : 0; + }); + } + // Compute min + for (k = 1; k < idsInGroup.length; k++) { + id = idsInGroup[k]; + if (! ys[id]) { continue; } + ys[id].forEach(function (v, i) { + if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) { + ys[baseId][i] += +v; + } + }); + } + } + } + return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); })); + }; + c3_chart_internal_fn.getYDomainMax = function (targets) { + var $$ = this, config = $$.config, + ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets), + j, k, baseId, idsInGroup, id, hasPositiveValue; + if (config.data_groups.length > 0) { + hasPositiveValue = $$.hasPositiveValueInTargets(targets); + for (j = 0; j < config.data_groups.length; j++) { + // Determine baseId + idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; }); + if (idsInGroup.length === 0) { continue; } + baseId = idsInGroup[0]; + // Consider positive values + if (hasPositiveValue && ys[baseId]) { + ys[baseId].forEach(function (v, i) { + ys[baseId][i] = v > 0 ? v : 0; + }); + } + // Compute max + for (k = 1; k < idsInGroup.length; k++) { + id = idsInGroup[k]; + if (! ys[id]) { continue; } + ys[id].forEach(function (v, i) { + if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) { + ys[baseId][i] += +v; + } + }); + } + } + } + return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); })); + }; + c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) { + var $$ = this, config = $$.config, + targetsByAxisId = targets.filter(function (t) { return $$.axis.getId(t.id) === axisId; }), + yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId, + yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min, + yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max, + yDomainMin = $$.getYDomainMin(yTargets), + yDomainMax = $$.getYDomainMax(yTargets), + domain, domainLength, padding, padding_top, padding_bottom, + center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center, + yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative, + isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased), + isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted, + showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated, + showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated; + + // MEMO: avoid inverting domain unexpectedly + yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin; + yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax; + + if (yTargets.length === 0) { // use current domain if target of axisId is none + return axisId === 'y2' ? $$.y2.domain() : $$.y.domain(); + } + if (isNaN(yDomainMin)) { // set minimum to zero when not number + yDomainMin = 0; + } + if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin + yDomainMax = yDomainMin; + } + if (yDomainMin === yDomainMax) { + yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0; + } + isAllPositive = yDomainMin >= 0 && yDomainMax >= 0; + isAllNegative = yDomainMin <= 0 && yDomainMax <= 0; + + // Cancel zerobased if axis_*_min / axis_*_max specified + if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) { + isZeroBased = false; + } + + // Bar/Area chart should be 0-based if all positive|negative + if (isZeroBased) { + if (isAllPositive) { yDomainMin = 0; } + if (isAllNegative) { yDomainMax = 0; } + } + + domainLength = Math.abs(yDomainMax - yDomainMin); + padding = padding_top = padding_bottom = domainLength * 0.1; + + if (typeof center !== 'undefined') { + yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax)); + yDomainMax = center + yDomainAbs; + yDomainMin = center - yDomainAbs; + } + // add padding for data label + if (showHorizontalDataLabel) { + lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width'); + diff = diffDomain($$.y.range()); + ratio = [lengths[0] / diff, lengths[1] / diff]; + padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1])); + padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1])); + } else if (showVerticalDataLabel) { + lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height'); + padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength); + padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength); + } + if (axisId === 'y' && notEmpty(config.axis_y_padding)) { + padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength); + padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength); + } + if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) { + padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength); + padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength); + } + // Bar/Area chart should be 0-based if all positive|negative + if (isZeroBased) { + if (isAllPositive) { padding_bottom = yDomainMin; } + if (isAllNegative) { padding_top = -yDomainMax; } + } + domain = [yDomainMin - padding_bottom, yDomainMax + padding_top]; + return isInverted ? domain.reverse() : domain; + }; + c3_chart_internal_fn.getXDomainMin = function (targets) { + var $$ = this, config = $$.config; + return isDefined(config.axis_x_min) ? + ($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) : + $$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); }); + }; + c3_chart_internal_fn.getXDomainMax = function (targets) { + var $$ = this, config = $$.config; + return isDefined(config.axis_x_max) ? + ($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) : + $$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); }); + }; + c3_chart_internal_fn.getXDomainPadding = function (domain) { + var $$ = this, config = $$.config, + diff = domain[1] - domain[0], + maxDataCount, padding, paddingLeft, paddingRight; + if ($$.isCategorized()) { + padding = 0; + } else if ($$.hasType('bar')) { + maxDataCount = $$.getMaxDataCount(); + padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5; + } else { + padding = diff * 0.01; + } + if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) { + paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding; + paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding; + } else if (typeof config.axis_x_padding === 'number') { + paddingLeft = paddingRight = config.axis_x_padding; + } else { + paddingLeft = paddingRight = padding; + } + return {left: paddingLeft, right: paddingRight}; + }; + c3_chart_internal_fn.getXDomain = function (targets) { + var $$ = this, + xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)], + firstX = xDomain[0], lastX = xDomain[1], + padding = $$.getXDomainPadding(xDomain), + min = 0, max = 0; + // show center of x domain if min and max are the same + if ((firstX - lastX) === 0 && !$$.isCategorized()) { + if ($$.isTimeSeries()) { + firstX = new Date(firstX.getTime() * 0.5); + lastX = new Date(lastX.getTime() * 1.5); + } else { + firstX = firstX === 0 ? 1 : (firstX * 0.5); + lastX = lastX === 0 ? -1 : (lastX * 1.5); + } + } + if (firstX || firstX === 0) { + min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left; + } + if (lastX || lastX === 0) { + max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right; + } + return [min, max]; + }; + c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) { + var $$ = this, config = $$.config; + + if (withUpdateOrgXDomain) { + $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets))); + $$.orgXDomain = $$.x.domain(); + if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); } + $$.subX.domain($$.x.domain()); + if ($$.brush) { $$.brush.scale($$.subX); } + } + if (withUpdateXDomain) { + $$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent()); + if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); } + } + + // Trim domain when too big by zoom mousemove event + if (withTrim) { $$.x.domain($$.trimXDomain($$.x.orgDomain())); } + + return $$.x.domain(); + }; + c3_chart_internal_fn.trimXDomain = function (domain) { + var $$ = this; + if (domain[0] <= $$.orgXDomain[0]) { + domain[1] = +domain[1] + ($$.orgXDomain[0] - domain[0]); + domain[0] = $$.orgXDomain[0]; + } + if ($$.orgXDomain[1] <= domain[1]) { + domain[0] = +domain[0] - (domain[1] - $$.orgXDomain[1]); + domain[1] = $$.orgXDomain[1]; + } + return domain; + }; + + c3_chart_internal_fn.isX = function (key) { + var $$ = this, config = $$.config; + return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key)); + }; + c3_chart_internal_fn.isNotX = function (key) { + return !this.isX(key); + }; + c3_chart_internal_fn.getXKey = function (id) { + var $$ = this, config = $$.config; + return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null; + }; + c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) { + var $$ = this, + xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : []; + ids.forEach(function (id) { + if ($$.getXKey(id) === key) { + xValues = $$.data.xs[id]; + } + }); + return xValues; + }; + c3_chart_internal_fn.getIndexByX = function (x) { + var $$ = this, + data = $$.filterByX($$.data.targets, x); + return data.length ? data[0].index : null; + }; + c3_chart_internal_fn.getXValue = function (id, i) { + var $$ = this; + return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i; + }; + c3_chart_internal_fn.getOtherTargetXs = function () { + var $$ = this, + idsForX = Object.keys($$.data.xs); + return idsForX.length ? $$.data.xs[idsForX[0]] : null; + }; + c3_chart_internal_fn.getOtherTargetX = function (index) { + var xs = this.getOtherTargetXs(); + return xs && index < xs.length ? xs[index] : null; + }; + c3_chart_internal_fn.addXs = function (xs) { + var $$ = this; + Object.keys(xs).forEach(function (id) { + $$.config.data_xs[id] = xs[id]; + }); + }; + c3_chart_internal_fn.hasMultipleX = function (xs) { + return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1; + }; + c3_chart_internal_fn.isMultipleX = function () { + return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter'); + }; + c3_chart_internal_fn.addName = function (data) { + var $$ = this, name; + if (data) { + name = $$.config.data_names[data.id]; + data.name = name ? name : data.id; + } + return data; + }; + c3_chart_internal_fn.getValueOnIndex = function (values, index) { + var valueOnIndex = values.filter(function (v) { return v.index === index; }); + return valueOnIndex.length ? valueOnIndex[0] : null; + }; + c3_chart_internal_fn.updateTargetX = function (targets, x) { + var $$ = this; + targets.forEach(function (t) { + t.values.forEach(function (v, i) { + v.x = $$.generateTargetX(x[i], t.id, i); + }); + $$.data.xs[t.id] = x; + }); + }; + c3_chart_internal_fn.updateTargetXs = function (targets, xs) { + var $$ = this; + targets.forEach(function (t) { + if (xs[t.id]) { + $$.updateTargetX([t], xs[t.id]); + } + }); + }; + c3_chart_internal_fn.generateTargetX = function (rawX, id, index) { + var $$ = this, x; + if ($$.isTimeSeries()) { + x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index)); + } + else if ($$.isCustomX() && !$$.isCategorized()) { + x = isValue(rawX) ? +rawX : $$.getXValue(id, index); + } + else { + x = index; + } + return x; + }; + c3_chart_internal_fn.cloneTarget = function (target) { + return { + id : target.id, + id_org : target.id_org, + values : target.values.map(function (d) { + return {x: d.x, value: d.value, id: d.id}; + }) + }; + }; + c3_chart_internal_fn.updateXs = function () { + var $$ = this; + if ($$.data.targets.length) { + $$.xs = []; + $$.data.targets[0].values.forEach(function (v) { + $$.xs[v.index] = v.x; + }); + } + }; + c3_chart_internal_fn.getPrevX = function (i) { + var x = this.xs[i - 1]; + return typeof x !== 'undefined' ? x : null; + }; + c3_chart_internal_fn.getNextX = function (i) { + var x = this.xs[i + 1]; + return typeof x !== 'undefined' ? x : null; + }; + c3_chart_internal_fn.getMaxDataCount = function () { + var $$ = this; + return $$.d3.max($$.data.targets, function (t) { return t.values.length; }); + }; + c3_chart_internal_fn.getMaxDataCountTarget = function (targets) { + var length = targets.length, max = 0, maxTarget; + if (length > 1) { + targets.forEach(function (t) { + if (t.values.length > max) { + maxTarget = t; + max = t.values.length; + } + }); + } else { + maxTarget = length ? targets[0] : null; + } + return maxTarget; + }; + c3_chart_internal_fn.getEdgeX = function (targets) { + var $$ = this; + return !targets.length ? [0, 0] : [ + $$.d3.min(targets, function (t) { return t.values[0].x; }), + $$.d3.max(targets, function (t) { return t.values[t.values.length - 1].x; }) + ]; + }; + c3_chart_internal_fn.mapToIds = function (targets) { + return targets.map(function (d) { return d.id; }); + }; + c3_chart_internal_fn.mapToTargetIds = function (ids) { + var $$ = this; + return ids ? (isString(ids) ? [ids] : ids) : $$.mapToIds($$.data.targets); + }; + c3_chart_internal_fn.hasTarget = function (targets, id) { + var ids = this.mapToIds(targets), i; + for (i = 0; i < ids.length; i++) { + if (ids[i] === id) { + return true; + } + } + return false; + }; + c3_chart_internal_fn.isTargetToShow = function (targetId) { + return this.hiddenTargetIds.indexOf(targetId) < 0; + }; + c3_chart_internal_fn.isLegendToShow = function (targetId) { + return this.hiddenLegendIds.indexOf(targetId) < 0; + }; + c3_chart_internal_fn.filterTargetsToShow = function (targets) { + var $$ = this; + return targets.filter(function (t) { return $$.isTargetToShow(t.id); }); + }; + c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) { + var $$ = this; + var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return +v.x; }); }))).values(); + return $$.isTimeSeries() ? xs.map(function (x) { return new Date(+x); }) : xs.map(function (x) { return +x; }); + }; + c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) { + this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds); + }; + c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) { + this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); + }; + c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) { + this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds); + }; + c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) { + this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); + }; + c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) { + var ys = {}; + targets.forEach(function (t) { + ys[t.id] = []; + t.values.forEach(function (v) { + ys[t.id].push(v.value); + }); + }); + return ys; + }; + c3_chart_internal_fn.checkValueInTargets = function (targets, checker) { + var ids = Object.keys(targets), i, j, values; + for (i = 0; i < ids.length; i++) { + values = targets[ids[i]].values; + for (j = 0; j < values.length; j++) { + if (checker(values[j].value)) { + return true; + } + } + } + return false; + }; + c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) { + return this.checkValueInTargets(targets, function (v) { return v < 0; }); + }; + c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) { + return this.checkValueInTargets(targets, function (v) { return v > 0; }); + }; + c3_chart_internal_fn.isOrderDesc = function () { + var config = this.config; + return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc'; + }; + c3_chart_internal_fn.isOrderAsc = function () { + var config = this.config; + return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc'; + }; + c3_chart_internal_fn.orderTargets = function (targets) { + var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc(); + if (orderAsc || orderDesc) { + targets.sort(function (t1, t2) { + var reducer = function (p, c) { return p + Math.abs(c.value); }; + var t1Sum = t1.values.reduce(reducer, 0), + t2Sum = t2.values.reduce(reducer, 0); + return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum; + }); + } else if (isFunction(config.data_order)) { + targets.sort(config.data_order); + } // TODO: accept name array for order + return targets; + }; + c3_chart_internal_fn.filterByX = function (targets, x) { + return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; }); + }; + c3_chart_internal_fn.filterRemoveNull = function (data) { + return data.filter(function (d) { return isValue(d.value); }); + }; + c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) { + return targets.map(function (t) { + return { + id: t.id, + id_org: t.id_org, + values: t.values.filter(function (v) { + return xDomain[0] <= v.x && v.x <= xDomain[1]; + }) + }; + }); + }; + c3_chart_internal_fn.hasDataLabel = function () { + var config = this.config; + if (typeof config.data_labels === 'boolean' && config.data_labels) { + return true; + } else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) { + return true; + } + return false; + }; + c3_chart_internal_fn.getDataLabelLength = function (min, max, key) { + var $$ = this, + lengths = [0, 0], paddingCoef = 1.3; + $$.selectChart.select('svg').selectAll('.dummy') + .data([min, max]) + .enter().append('text') + .text(function (d) { return $$.dataLabelFormat(d.id)(d); }) + .each(function (d, i) { + lengths[i] = this.getBoundingClientRect()[key] * paddingCoef; + }) + .remove(); + return lengths; + }; + c3_chart_internal_fn.isNoneArc = function (d) { + return this.hasTarget(this.data.targets, d.id); + }, + c3_chart_internal_fn.isArc = function (d) { + return 'data' in d && this.hasTarget(this.data.targets, d.data.id); + }; + c3_chart_internal_fn.findSameXOfValues = function (values, index) { + var i, targetX = values[index].x, sames = []; + for (i = index - 1; i >= 0; i--) { + if (targetX !== values[i].x) { break; } + sames.push(values[i]); + } + for (i = index; i < values.length; i++) { + if (targetX !== values[i].x) { break; } + sames.push(values[i]); + } + return sames; + }; + + c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) { + var $$ = this, candidates; + + // map to array of closest points of each target + candidates = targets.map(function (target) { + return $$.findClosest(target.values, pos); + }); + + // decide closest point and return + return $$.findClosest(candidates, pos); + }; + c3_chart_internal_fn.findClosest = function (values, pos) { + var $$ = this, minDist = 100, closest; + + // find mouseovering bar + values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) { + var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node(); + if (!closest && $$.isWithinBar(shape)) { + closest = v; + } + }); + + // find closest point from non-bar + values.filter(function (v) { return v && !$$.isBarType(v.id); }).forEach(function (v) { + var d = $$.dist(v, pos); + if (d < minDist) { + minDist = d; + closest = v; + } + }); + + return closest; + }; + c3_chart_internal_fn.dist = function (data, pos) { + var $$ = this, config = $$.config, + xIndex = config.axis_rotated ? 1 : 0, + yIndex = config.axis_rotated ? 0 : 1, + y = $$.circleY(data, data.index), + x = $$.x(data.x); + return Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2); + }; + c3_chart_internal_fn.convertValuesToStep = function (values) { + var converted = [].concat(values), i; + + if (!this.isCategorized()) { + return values; + } + + for (i = values.length + 1; 0 < i; i--) { + converted[i] = converted[i - 1]; + } + + converted[0] = { + x: converted[0].x - 1, + value: converted[0].value, + id: converted[0].id + }; + converted[values.length + 1] = { + x: converted[values.length].x + 1, + value: converted[values.length].value, + id: converted[values.length].id + }; + + return converted; + }; + c3_chart_internal_fn.updateDataAttributes = function (name, attrs) { + var $$ = this, config = $$.config, current = config['data_' + name]; + if (typeof attrs === 'undefined') { return current; } + Object.keys(attrs).forEach(function (id) { + current[id] = attrs[id]; + }); + $$.redraw({withLegend: true}); + return current; + }; + + c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) { + var $$ = this, type = mimeType ? mimeType : 'csv'; + $$.d3.xhr(url, function (error, data) { + var d; + if (!data) { + throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')'); + } + if (type === 'json') { + d = $$.convertJsonToData(JSON.parse(data.response), keys); + } else if (type === 'tsv') { + d = $$.convertTsvToData(data.response); + } else { + d = $$.convertCsvToData(data.response); + } + done.call($$, d); + }); + }; + c3_chart_internal_fn.convertXsvToData = function (xsv, parser) { + var rows = parser.parseRows(xsv), d; + if (rows.length === 1) { + d = [{}]; + rows[0].forEach(function (id) { + d[0][id] = null; + }); + } else { + d = parser.parse(xsv); + } + return d; + }; + c3_chart_internal_fn.convertCsvToData = function (csv) { + return this.convertXsvToData(csv, this.d3.csv); + }; + c3_chart_internal_fn.convertTsvToData = function (tsv) { + return this.convertXsvToData(tsv, this.d3.tsv); + }; + c3_chart_internal_fn.convertJsonToData = function (json, keys) { + var $$ = this, + new_rows = [], targetKeys, data; + if (keys) { // when keys specified, json would be an array that includes objects + if (keys.x) { + targetKeys = keys.value.concat(keys.x); + $$.config.data_x = keys.x; + } else { + targetKeys = keys.value; + } + new_rows.push(targetKeys); + json.forEach(function (o) { + var new_row = []; + targetKeys.forEach(function (key) { + // convert undefined to null because undefined data will be removed in convertDataToTargets() + var v = isUndefined(o[key]) ? null : o[key]; + new_row.push(v); + }); + new_rows.push(new_row); + }); + data = $$.convertRowsToData(new_rows); + } else { + Object.keys(json).forEach(function (key) { + new_rows.push([key].concat(json[key])); + }); + data = $$.convertColumnsToData(new_rows); + } + return data; + }; + c3_chart_internal_fn.convertRowsToData = function (rows) { + var keys = rows[0], new_row = {}, new_rows = [], i, j; + for (i = 1; i < rows.length; i++) { + new_row = {}; + for (j = 0; j < rows[i].length; j++) { + if (isUndefined(rows[i][j])) { + throw new Error("Source data is missing a component at (" + i + "," + j + ")!"); + } + new_row[keys[j]] = rows[i][j]; + } + new_rows.push(new_row); + } + return new_rows; + }; + c3_chart_internal_fn.convertColumnsToData = function (columns) { + var new_rows = [], i, j, key; + for (i = 0; i < columns.length; i++) { + key = columns[i][0]; + for (j = 1; j < columns[i].length; j++) { + if (isUndefined(new_rows[j - 1])) { + new_rows[j - 1] = {}; + } + if (isUndefined(columns[i][j])) { + throw new Error("Source data is missing a component at (" + i + "," + j + ")!"); + } + new_rows[j - 1][key] = columns[i][j]; + } + } + return new_rows; + }; + c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) { + var $$ = this, config = $$.config, + ids = $$.d3.keys(data[0]).filter($$.isNotX, $$), + xs = $$.d3.keys(data[0]).filter($$.isX, $$), + targets; + + // save x for update data by load when custom x and c3.x API + ids.forEach(function (id) { + var xKey = $$.getXKey(id); + + if ($$.isCustomX() || $$.isTimeSeries()) { + // if included in input data + if (xs.indexOf(xKey) >= 0) { + $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat( + data.map(function (d) { return d[xKey]; }) + .filter(isValue) + .map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); }) + ); + } + // if not included in input data, find from preloaded data of other id's x + else if (config.data_x) { + $$.data.xs[id] = $$.getOtherTargetXs(); + } + // if not included in input data, find from preloaded data + else if (notEmpty(config.data_xs)) { + $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets); + } + // MEMO: if no x included, use same x of current will be used + } else { + $$.data.xs[id] = data.map(function (d, i) { return i; }); + } + }); + + + // check x is defined + ids.forEach(function (id) { + if (!$$.data.xs[id]) { + throw new Error('x is not defined for id = "' + id + '".'); + } + }); + + // convert to target + targets = ids.map(function (id, index) { + var convertedId = config.data_idConverter(id); + return { + id: convertedId, + id_org: id, + values: data.map(function (d, i) { + var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i); + // use x as categories if custom x and categorized + if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) { + if (i === 0) { config.axis_x_categories = []; } + config.axis_x_categories.push(rawX); + } + // mark as x = undefined if value is undefined and filter to remove after mapped + if (isUndefined(d[id]) || $$.data.xs[id].length <= i) { + x = undefined; + } + return {x: x, value: d[id] !== null && !isNaN(d[id]) ? +d[id] : null, id: convertedId}; + }).filter(function (v) { return isDefined(v.x); }) + }; + }); + + // finish targets + targets.forEach(function (t) { + var i; + // sort values by its x + if (config.data_xSort) { + t.values = t.values.sort(function (v1, v2) { + var x1 = v1.x || v1.x === 0 ? v1.x : Infinity, + x2 = v2.x || v2.x === 0 ? v2.x : Infinity; + return x1 - x2; + }); + } + // indexing each value + i = 0; + t.values.forEach(function (v) { + v.index = i++; + }); + // this needs to be sorted because its index and value.index is identical + $$.data.xs[t.id].sort(function (v1, v2) { + return v1 - v2; + }); + }); + + // set target types + if (config.data_type) { + $$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type); + } + + // cache as original id keyed + targets.forEach(function (d) { + $$.addCache(d.id_org, d); + }); + + return targets; + }; + + c3_chart_internal_fn.load = function (targets, args) { + var $$ = this; + if (targets) { + // filter loading targets if needed + if (args.filter) { + targets = targets.filter(args.filter); + } + // set type if args.types || args.type specified + if (args.type || args.types) { + targets.forEach(function (t) { + var type = args.types && args.types[t.id] ? args.types[t.id] : args.type; + $$.setTargetType(t.id, type); + }); + } + // Update/Add data + $$.data.targets.forEach(function (d) { + for (var i = 0; i < targets.length; i++) { + if (d.id === targets[i].id) { + d.values = targets[i].values; + targets.splice(i, 1); + break; + } + } + }); + $$.data.targets = $$.data.targets.concat(targets); // add remained + } + + // Set targets + $$.updateTargets($$.data.targets); + + // Redraw with new targets + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); + + if (args.done) { args.done(); } + }; + c3_chart_internal_fn.loadFromArgs = function (args) { + var $$ = this; + if (args.data) { + $$.load($$.convertDataToTargets(args.data), args); + } + else if (args.url) { + $$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) { + $$.load($$.convertDataToTargets(data), args); + }); + } + else if (args.json) { + $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args); + } + else if (args.rows) { + $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args); + } + else if (args.columns) { + $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args); + } + else { + $$.load(null, args); + } + }; + c3_chart_internal_fn.unload = function (targetIds, done) { + var $$ = this; + if (!done) { + done = function () {}; + } + // filter existing target + targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); }); + // If no target, call done and return + if (!targetIds || targetIds.length === 0) { + done(); + return; + } + $$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); })) + .transition() + .style('opacity', 0) + .remove() + .call($$.endall, done); + targetIds.forEach(function (id) { + // Reset fadein for future load + $$.withoutFadeIn[id] = false; + // Remove target's elements + if ($$.legend) { + $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove(); + } + // Remove target + $$.data.targets = $$.data.targets.filter(function (t) { + return t.id !== id; + }); + }); + }; + + c3_chart_internal_fn.categoryName = function (i) { + var config = this.config; + return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i; + }; + + c3_chart_internal_fn.initEventRect = function () { + var $$ = this; + $$.main.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.eventRects) + .style('fill-opacity', 0); + }; + c3_chart_internal_fn.redrawEventRect = function () { + var $$ = this, config = $$.config, + eventRectUpdate, maxDataCountTarget, + isMultipleX = $$.isMultipleX(); + + // rects for mouseover + var eventRects = $$.main.select('.' + CLASS.eventRects) + .style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null) + .classed(CLASS.eventRectsMultiple, isMultipleX) + .classed(CLASS.eventRectsSingle, !isMultipleX); + + // clear old rects + eventRects.selectAll('.' + CLASS.eventRect).remove(); + + // open as public variable + $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect); + + if (isMultipleX) { + eventRectUpdate = $$.eventRect.data([0]); + // enter : only one rect will be added + $$.generateEventRectsForMultipleXs(eventRectUpdate.enter()); + // update + $$.updateEventRect(eventRectUpdate); + // exit : not needed because always only one rect exists + } + else { + // Set data and update $$.eventRect + maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets); + eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []); + $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect); + eventRectUpdate = $$.eventRect.data(function (d) { return d; }); + // enter + $$.generateEventRectsForSingleX(eventRectUpdate.enter()); + // update + $$.updateEventRect(eventRectUpdate); + // exit + eventRectUpdate.exit().remove(); + } + }; + c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) { + var $$ = this, config = $$.config, + x, y, w, h, rectW, rectX; + + // set update selection if null + eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) { return d; }); + + if ($$.isMultipleX()) { + // TODO: rotated not supported yet + x = 0; + y = 0; + w = $$.width; + h = $$.height; + } + else { + if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) { + + // update index for x that is used by prevX and nextX + $$.updateXs(); + + rectW = function (d) { + var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index); + + // if there this is a single data point make the eventRect full width (or height) + if (prevX === null && nextX === null) { + return config.axis_rotated ? $$.height : $$.width; + } + + if (prevX === null) { prevX = $$.x.domain()[0]; } + if (nextX === null) { nextX = $$.x.domain()[1]; } + + return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2); + }; + rectX = function (d) { + var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index), + thisX = $$.data.xs[d.id][d.index]; + + // if there this is a single data point position the eventRect at 0 + if (prevX === null && nextX === null) { + return 0; + } + + if (prevX === null) { prevX = $$.x.domain()[0]; } + + return ($$.x(thisX) + $$.x(prevX)) / 2; + }; + } else { + rectW = $$.getEventRectWidth(); + rectX = function (d) { + return $$.x(d.x) - (rectW / 2); + }; + } + x = config.axis_rotated ? 0 : rectX; + y = config.axis_rotated ? rectX : 0; + w = config.axis_rotated ? $$.width : rectW; + h = config.axis_rotated ? rectW : $$.height; + } + + eventRectUpdate + .attr('class', $$.classEvent.bind($$)) + .attr("x", x) + .attr("y", y) + .attr("width", w) + .attr("height", h); + }; + c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) { + var $$ = this, d3 = $$.d3, config = $$.config; + eventRectEnter.append("rect") + .attr("class", $$.classEvent.bind($$)) + .style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null) + .on('mouseover', function (d) { + var index = d.index; + + if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing + if ($$.hasArcType()) { return; } + + // Expand shapes for selection + if (config.point_focus_expand_enabled) { $$.expandCircles(index, null, true); } + $$.expandBars(index, null, true); + + // Call event handler + $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { + config.data_onmouseover.call($$.api, d); + }); + }) + .on('mouseout', function (d) { + var index = d.index; + if (!$$.config) { return; } // chart is destroyed + if ($$.hasArcType()) { return; } + $$.hideXGridFocus(); + $$.hideTooltip(); + // Undo expanded shapes + $$.unexpandCircles(); + $$.unexpandBars(); + // Call event handler + $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { + config.data_onmouseout.call($$.api, d); + }); + }) + .on('mousemove', function (d) { + var selectedData, index = d.index, + eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index); + + if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing + if ($$.hasArcType()) { return; } + + if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) { + index -= 1; + } + + // Show tooltip + selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) { + return $$.addName($$.getValueOnIndex(t.values, index)); + }); + + if (config.tooltip_grouped) { + $$.showTooltip(selectedData, this); + $$.showXGridFocus(selectedData); + } + + if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) { + return; + } + + $$.main.selectAll('.' + CLASS.shape + '-' + index) + .each(function () { + d3.select(this).classed(CLASS.EXPANDED, true); + if (config.data_selection_enabled) { + eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null); + } + if (!config.tooltip_grouped) { + $$.hideXGridFocus(); + $$.hideTooltip(); + if (!config.data_selection_grouped) { + $$.unexpandCircles(index); + $$.unexpandBars(index); + } + } + }) + .filter(function (d) { + return $$.isWithinShape(this, d); + }) + .each(function (d) { + if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) { + eventRect.style('cursor', 'pointer'); + } + if (!config.tooltip_grouped) { + $$.showTooltip([d], this); + $$.showXGridFocus([d]); + if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id, true); } + $$.expandBars(index, d.id, true); + } + }); + }) + .on('click', function (d) { + var index = d.index; + if ($$.hasArcType() || !$$.toggleShape) { return; } + if ($$.cancelClick) { + $$.cancelClick = false; + return; + } + if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) { + index -= 1; + } + $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { + if (config.data_selection_grouped || $$.isWithinShape(this, d)) { + $$.toggleShape(this, d, index); + $$.config.data_onclick.call($$.api, d, this); + } + }); + }) + .call( + config.data_selection_draggable && $$.drag ? ( + d3.behavior.drag().origin(Object) + .on('drag', function () { $$.drag(d3.mouse(this)); }) + .on('dragstart', function () { $$.dragstart(d3.mouse(this)); }) + .on('dragend', function () { $$.dragend(); }) + ) : function () {} + ); + }; + + c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) { + var $$ = this, d3 = $$.d3, config = $$.config; + + function mouseout() { + $$.svg.select('.' + CLASS.eventRect).style('cursor', null); + $$.hideXGridFocus(); + $$.hideTooltip(); + $$.unexpandCircles(); + $$.unexpandBars(); + } + + eventRectEnter.append('rect') + .attr('x', 0) + .attr('y', 0) + .attr('width', $$.width) + .attr('height', $$.height) + .attr('class', CLASS.eventRect) + .on('mouseout', function () { + if (!$$.config) { return; } // chart is destroyed + if ($$.hasArcType()) { return; } + mouseout(); + }) + .on('mousemove', function () { + var targetsToShow = $$.filterTargetsToShow($$.data.targets); + var mouse, closest, sameXData, selectedData; + + if ($$.dragging) { return; } // do nothing when dragging + if ($$.hasArcType(targetsToShow)) { return; } + + mouse = d3.mouse(this); + closest = $$.findClosestFromTargets(targetsToShow, mouse); + + if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) { + config.data_onmouseout.call($$.api, $$.mouseover); + $$.mouseover = undefined; + } + + if (! closest) { + mouseout(); + return; + } + + if ($$.isScatterType(closest) || !config.tooltip_grouped) { + sameXData = [closest]; + } else { + sameXData = $$.filterByX(targetsToShow, closest.x); + } + + // show tooltip when cursor is close to some point + selectedData = sameXData.map(function (d) { + return $$.addName(d); + }); + $$.showTooltip(selectedData, this); + + // expand points + if (config.point_focus_expand_enabled) { + $$.expandCircles(closest.index, closest.id, true); + } + $$.expandBars(closest.index, closest.id, true); + + // Show xgrid focus line + $$.showXGridFocus(selectedData); + + // Show cursor as pointer if point is close to mouse position + if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < 100) { + $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer'); + if (!$$.mouseover) { + config.data_onmouseover.call($$.api, closest); + $$.mouseover = closest; + } + } + }) + .on('click', function () { + var targetsToShow = $$.filterTargetsToShow($$.data.targets); + var mouse, closest; + + if ($$.hasArcType(targetsToShow)) { return; } + + mouse = d3.mouse(this); + closest = $$.findClosestFromTargets(targetsToShow, mouse); + + if (! closest) { return; } + + // select if selection enabled + if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < 100) { + $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () { + if (config.data_selection_grouped || $$.isWithinShape(this, closest)) { + $$.toggleShape(this, closest, closest.index); + $$.config.data_onclick.call($$.api, closest, this); + } + }); + } + }) + .call( + config.data_selection_draggable && $$.drag ? ( + d3.behavior.drag().origin(Object) + .on('drag', function () { $$.drag(d3.mouse(this)); }) + .on('dragstart', function () { $$.dragstart(d3.mouse(this)); }) + .on('dragend', function () { $$.dragend(); }) + ) : function () {} + ); + }; + c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) { + var $$ = this, + selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''), + eventRect = $$.main.select(selector).node(), + box = eventRect.getBoundingClientRect(), + x = box.left + (mouse ? mouse[0] : 0), + y = box.top + (mouse ? mouse[1] : 0), + event = document.createEvent("MouseEvents"); + + event.initMouseEvent(type, true, true, window, 0, x, y, x, y, + false, false, false, false, 0, null); + eventRect.dispatchEvent(event); + }; + + c3_chart_internal_fn.getCurrentWidth = function () { + var $$ = this, config = $$.config; + return config.size_width ? config.size_width : $$.getParentWidth(); + }; + c3_chart_internal_fn.getCurrentHeight = function () { + var $$ = this, config = $$.config, + h = config.size_height ? config.size_height : $$.getParentHeight(); + return h > 0 ? h : 320 / ($$.hasType('gauge') ? 2 : 1); + }; + c3_chart_internal_fn.getCurrentPaddingTop = function () { + var config = this.config; + return isValue(config.padding_top) ? config.padding_top : 0; + }; + c3_chart_internal_fn.getCurrentPaddingBottom = function () { + var config = this.config; + return isValue(config.padding_bottom) ? config.padding_bottom : 0; + }; + c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) { + var $$ = this, config = $$.config; + if (isValue(config.padding_left)) { + return config.padding_left; + } else if (config.axis_rotated) { + return !config.axis_x_show ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40); + } else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated + return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1; + } else { + return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute)); + } + }; + c3_chart_internal_fn.getCurrentPaddingRight = function () { + var $$ = this, config = $$.config, + defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0; + if (isValue(config.padding_right)) { + return config.padding_right + 1; // 1 is needed not to hide tick line + } else if (config.axis_rotated) { + return defaultPadding + legendWidthOnRight; + } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated + return 2 + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0); + } else { + return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight; + } + }; + + c3_chart_internal_fn.getParentRectValue = function (key) { + var parent = this.selectChart.node(), v; + while (parent && parent.tagName !== 'BODY') { + try { + v = parent.getBoundingClientRect()[key]; + } catch(e) { + if (key === 'width') { + // In IE in certain cases getBoundingClientRect + // will cause an "unspecified error" + v = parent.offsetWidth; + } + } + if (v) { + break; + } + parent = parent.parentNode; + } + return v; + }; + c3_chart_internal_fn.getParentWidth = function () { + return this.getParentRectValue('width'); + }; + c3_chart_internal_fn.getParentHeight = function () { + var h = this.selectChart.style('height'); + return h.indexOf('px') > 0 ? +h.replace('px', '') : 0; + }; + + + c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) { + var $$ = this, config = $$.config, + hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner), + leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY, + leftAxis = $$.main.select('.' + leftAxisClass).node(), + svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0}, + chartRect = $$.selectChart.node().getBoundingClientRect(), + hasArc = $$.hasArcType(), + svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute)); + return svgLeft > 0 ? svgLeft : 0; + }; + + + c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) { + var $$ = this, position = $$.axis.getLabelPositionById(id); + return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40); + }; + c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) { + var $$ = this, config = $$.config, h = 30; + if (axisId === 'x' && !config.axis_x_show) { return 8; } + if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; } + if (axisId === 'y' && !config.axis_y_show) { return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1; } + if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; } + // Calculate x axis height when tick rotated + if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) { + h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180); + } + return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0); + }; + + c3_chart_internal_fn.getEventRectWidth = function () { + return Math.max(0, this.xAxis.tickInterval()); + }; + + c3_chart_internal_fn.getShapeIndices = function (typeFilter) { + var $$ = this, config = $$.config, + indices = {}, i = 0, j, k; + $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) { + for (j = 0; j < config.data_groups.length; j++) { + if (config.data_groups[j].indexOf(d.id) < 0) { continue; } + for (k = 0; k < config.data_groups[j].length; k++) { + if (config.data_groups[j][k] in indices) { + indices[d.id] = indices[config.data_groups[j][k]]; + break; + } + } + } + if (isUndefined(indices[d.id])) { indices[d.id] = i++; } + }); + indices.__max__ = i - 1; + return indices; + }; + c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) { + var $$ = this, scale = isSub ? $$.subX : $$.x; + return function (d) { + var index = d.id in indices ? indices[d.id] : 0; + return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0; + }; + }; + c3_chart_internal_fn.getShapeY = function (isSub) { + var $$ = this; + return function (d) { + var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id); + return scale(d.value); + }; + }; + c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) { + var $$ = this, + targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))), + targetIds = targets.map(function (t) { return t.id; }); + return function (d, i) { + var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id), + y0 = scale(0), offset = y0; + targets.forEach(function (t) { + var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values; + if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; } + if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) { + if (values[i].value * d.value >= 0) { + offset += scale(values[i].value) - y0; + } + } + }); + return offset; + }; + }; + c3_chart_internal_fn.isWithinShape = function (that, d) { + var $$ = this, + shape = $$.d3.select(that), isWithin; + if (!$$.isTargetToShow(d.id)) { + isWithin = false; + } + else if (that.nodeName === 'circle') { + isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5); + } + else if (that.nodeName === 'path') { + isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true; + } + return isWithin; + }; + + + c3_chart_internal_fn.getInterpolate = function (d) { + var $$ = this; + return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? $$.config.line_step_type : "linear"; + }; + + c3_chart_internal_fn.initLine = function () { + var $$ = this; + $$.main.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.chartLines); + }; + c3_chart_internal_fn.updateTargetsForLine = function (targets) { + var $$ = this, config = $$.config, + mainLineUpdate, mainLineEnter, + classChartLine = $$.classChartLine.bind($$), + classLines = $$.classLines.bind($$), + classAreas = $$.classAreas.bind($$), + classCircles = $$.classCircles.bind($$), + classFocus = $$.classFocus.bind($$); + mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine) + .data(targets) + .attr('class', function (d) { return classChartLine(d) + classFocus(d); }); + mainLineEnter = mainLineUpdate.enter().append('g') + .attr('class', classChartLine) + .style('opacity', 0) + .style("pointer-events", "none"); + // Lines for each data + mainLineEnter.append('g') + .attr("class", classLines); + // Areas + mainLineEnter.append('g') + .attr('class', classAreas); + // Circles for each data point on lines + mainLineEnter.append('g') + .attr("class", function (d) { return $$.generateClass(CLASS.selectedCircles, d.id); }); + mainLineEnter.append('g') + .attr("class", classCircles) + .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; }); + // Update date for selected circles + targets.forEach(function (t) { + $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) { + d.value = t.values[d.index].value; + }); + }); + // MEMO: can not keep same color... + //mainLineUpdate.exit().remove(); + }; + c3_chart_internal_fn.updateLine = function (durationForExit) { + var $$ = this; + $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line) + .data($$.lineData.bind($$)); + $$.mainLine.enter().append('path') + .attr('class', $$.classLine.bind($$)) + .style("stroke", $$.color); + $$.mainLine + .style("opacity", $$.initialOpacity.bind($$)) + .style('shape-rendering', function (d) { return $$.isStepType(d) ? 'crispEdges' : ''; }) + .attr('transform', null); + $$.mainLine.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) { + return [ + (withTransition ? this.mainLine.transition() : this.mainLine) + .attr("d", drawLine) + .style("stroke", this.color) + .style("opacity", 1) + ]; + }; + c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) { + var $$ = this, config = $$.config, + line = $$.d3.svg.line(), + getPoints = $$.generateGetLinePoints(lineIndices, isSub), + yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale, + xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); }, + yValue = function (d, i) { + return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value); + }; + + line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue); + if (!config.line_connectNull) { line = line.defined(function (d) { return d.value != null; }); } + return function (d) { + var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values, + x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path; + if ($$.isLineType(d)) { + if (config.data_regions[d.id]) { + path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]); + } else { + if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); } + path = line.interpolate($$.getInterpolate(d))(values); + } + } else { + if (values[0]) { + x0 = x(values[0].x); + y0 = y(values[0].value); + } + path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0; + } + return path ? path : "M 0 0"; + }; + }; + c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints + var $$ = this, config = $$.config, + lineTargetsNum = lineIndices.__max__ + 1, + x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub), + y = $$.getShapeY(!!isSub), + lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub), + yScale = isSub ? $$.getSubYScale : $$.getYScale; + return function (d, i) { + var y0 = yScale.call($$, d.id)(0), + offset = lineOffset(d, i) || y0, // offset is for stacked area chart + posX = x(d), posY = y(d); + // fix posY not to overflow opposite quadrant + if (config.axis_rotated) { + if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; } + } + // 1 point that marks the line position + return [ + [posX, posY - (y0 - offset)], + [posX, posY - (y0 - offset)], // needed for compatibility + [posX, posY - (y0 - offset)], // needed for compatibility + [posX, posY - (y0 - offset)] // needed for compatibility + ]; + }; + }; + + + c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) { + var $$ = this, config = $$.config, + prev = -1, i, j, + s = "M", sWithRegion, + xp, yp, dx, dy, dd, diff, diffx2, + xOffset = $$.isCategorized() ? 0.5 : 0, + xValue, yValue, + regions = []; + + function isWithinRegions(x, regions) { + var i; + for (i = 0; i < regions.length; i++) { + if (regions[i].start < x && x <= regions[i].end) { return true; } + } + return false; + } + + // Check start/end of regions + if (isDefined(_regions)) { + for (i = 0; i < _regions.length; i++) { + regions[i] = {}; + if (isUndefined(_regions[i].start)) { + regions[i].start = d[0].x; + } else { + regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start; + } + if (isUndefined(_regions[i].end)) { + regions[i].end = d[d.length - 1].x; + } else { + regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end; + } + } + } + + // Set scales + xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); }; + yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); }; + + // Define svg generator function for region + function generateM(points) { + return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1]; + } + if ($$.isTimeSeries()) { + sWithRegion = function (d0, d1, j, diff) { + var x0 = d0.x.getTime(), x_diff = d1.x - d0.x, + xv0 = new Date(x0 + x_diff * j), + xv1 = new Date(x0 + x_diff * (j + diff)), + points; + if (config.axis_rotated) { + points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]]; + } else { + points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]]; + } + return generateM(points); + }; + } else { + sWithRegion = function (d0, d1, j, diff) { + var points; + if (config.axis_rotated) { + points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]]; + } else { + points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]]; + } + return generateM(points); + }; + } + + // Generate + for (i = 0; i < d.length; i++) { + + // Draw as normal + if (isUndefined(regions) || ! isWithinRegions(d[i].x, regions)) { + s += " " + xValue(d[i]) + " " + yValue(d[i]); + } + // Draw with region // TODO: Fix for horizotal charts + else { + xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries()); + yp = $$.getScale(d[i - 1].value, d[i].value); + + dx = x(d[i].x) - x(d[i - 1].x); + dy = y(d[i].value) - y(d[i - 1].value); + dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2)); + diff = 2 / dd; + diffx2 = diff * 2; + + for (j = diff; j <= 1; j += diffx2) { + s += sWithRegion(d[i - 1], d[i], j, diff); + } + } + prev = d[i].x; + } + + return s; + }; + + + c3_chart_internal_fn.updateArea = function (durationForExit) { + var $$ = this, d3 = $$.d3; + $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area) + .data($$.lineData.bind($$)); + $$.mainArea.enter().append('path') + .attr("class", $$.classArea.bind($$)) + .style("fill", $$.color) + .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; }); + $$.mainArea + .style("opacity", $$.orgAreaOpacity); + $$.mainArea.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) { + return [ + (withTransition ? this.mainArea.transition() : this.mainArea) + .attr("d", drawArea) + .style("fill", this.color) + .style("opacity", this.orgAreaOpacity) + ]; + }; + c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) { + var $$ = this, config = $$.config, area = $$.d3.svg.area(), + getPoints = $$.generateGetAreaPoints(areaIndices, isSub), + yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale, + xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); }, + value0 = function (d, i) { + return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id)); + }, + value1 = function (d, i) { + return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value); + }; + + area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1); + if (!config.line_connectNull) { + area = area.defined(function (d) { return d.value !== null; }); + } + + return function (d) { + var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values, + x0 = 0, y0 = 0, path; + if ($$.isAreaType(d)) { + if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); } + path = area.interpolate($$.getInterpolate(d))(values); + } else { + if (values[0]) { + x0 = $$.x(values[0].x); + y0 = $$.getYScale(d.id)(values[0].value); + } + path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0; + } + return path ? path : "M 0 0"; + }; + }; + c3_chart_internal_fn.getAreaBaseValue = function () { + return 0; + }; + c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints + var $$ = this, config = $$.config, + areaTargetsNum = areaIndices.__max__ + 1, + x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub), + y = $$.getShapeY(!!isSub), + areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub), + yScale = isSub ? $$.getSubYScale : $$.getYScale; + return function (d, i) { + var y0 = yScale.call($$, d.id)(0), + offset = areaOffset(d, i) || y0, // offset is for stacked area chart + posX = x(d), posY = y(d); + // fix posY not to overflow opposite quadrant + if (config.axis_rotated) { + if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; } + } + // 1 point that marks the area position + return [ + [posX, offset], + [posX, posY - (y0 - offset)], + [posX, posY - (y0 - offset)], // needed for compatibility + [posX, offset] // needed for compatibility + ]; + }; + }; + + + c3_chart_internal_fn.updateCircle = function () { + var $$ = this; + $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle) + .data($$.lineOrScatterData.bind($$)); + $$.mainCircle.enter().append("circle") + .attr("class", $$.classCircle.bind($$)) + .attr("r", $$.pointR.bind($$)) + .style("fill", $$.color); + $$.mainCircle + .style("opacity", $$.initialOpacityForCircle.bind($$)); + $$.mainCircle.exit().remove(); + }; + c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) { + var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle); + return [ + (withTransition ? this.mainCircle.transition() : this.mainCircle) + .style('opacity', this.opacityForCircle.bind(this)) + .style("fill", this.color) + .attr("cx", cx) + .attr("cy", cy), + (withTransition ? selectedCircles.transition() : selectedCircles) + .attr("cx", cx) + .attr("cy", cy) + ]; + }; + c3_chart_internal_fn.circleX = function (d) { + return d.x || d.x === 0 ? this.x(d.x) : null; + }; + c3_chart_internal_fn.updateCircleY = function () { + var $$ = this, lineIndices, getPoints; + if ($$.config.data_groups.length > 0) { + lineIndices = $$.getShapeIndices($$.isLineType), + getPoints = $$.generateGetLinePoints(lineIndices); + $$.circleY = function (d, i) { + return getPoints(d, i)[0][1]; + }; + } else { + $$.circleY = function (d) { + return $$.getYScale(d.id)(d.value); + }; + } + }; + c3_chart_internal_fn.getCircles = function (i, id) { + var $$ = this; + return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : '')); + }; + c3_chart_internal_fn.expandCircles = function (i, id, reset) { + var $$ = this, + r = $$.pointExpandedR.bind($$); + if (reset) { $$.unexpandCircles(); } + $$.getCircles(i, id) + .classed(CLASS.EXPANDED, true) + .attr('r', r); + }; + c3_chart_internal_fn.unexpandCircles = function (i) { + var $$ = this, + r = $$.pointR.bind($$); + $$.getCircles(i) + .filter(function () { return $$.d3.select(this).classed(CLASS.EXPANDED); }) + .classed(CLASS.EXPANDED, false) + .attr('r', r); + }; + c3_chart_internal_fn.pointR = function (d) { + var $$ = this, config = $$.config; + return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r); + }; + c3_chart_internal_fn.pointExpandedR = function (d) { + var $$ = this, config = $$.config; + return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d); + }; + c3_chart_internal_fn.pointSelectR = function (d) { + var $$ = this, config = $$.config; + return config.point_select_r ? config.point_select_r : $$.pointR(d) * 4; + }; + c3_chart_internal_fn.isWithinCircle = function (that, r) { + var d3 = this.d3, + mouse = d3.mouse(that), d3_this = d3.select(that), + cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy"); + return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r; + }; + c3_chart_internal_fn.isWithinStep = function (that, y) { + return Math.abs(y - this.d3.mouse(that)[1]) < 30; + }; + + c3_chart_internal_fn.initBar = function () { + var $$ = this; + $$.main.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.chartBars); + }; + c3_chart_internal_fn.updateTargetsForBar = function (targets) { + var $$ = this, config = $$.config, + mainBarUpdate, mainBarEnter, + classChartBar = $$.classChartBar.bind($$), + classBars = $$.classBars.bind($$), + classFocus = $$.classFocus.bind($$); + mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar) + .data(targets) + .attr('class', function (d) { return classChartBar(d) + classFocus(d); }); + mainBarEnter = mainBarUpdate.enter().append('g') + .attr('class', classChartBar) + .style('opacity', 0) + .style("pointer-events", "none"); + // Bars for each data + mainBarEnter.append('g') + .attr("class", classBars) + .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; }); + + }; + c3_chart_internal_fn.updateBar = function (durationForExit) { + var $$ = this, + barData = $$.barData.bind($$), + classBar = $$.classBar.bind($$), + initialOpacity = $$.initialOpacity.bind($$), + color = function (d) { return $$.color(d.id); }; + $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar) + .data(barData); + $$.mainBar.enter().append('path') + .attr("class", classBar) + .style("stroke", color) + .style("fill", color); + $$.mainBar + .style("opacity", initialOpacity); + $$.mainBar.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) { + return [ + (withTransition ? this.mainBar.transition() : this.mainBar) + .attr('d', drawBar) + .style("fill", this.color) + .style("opacity", 1) + ]; + }; + c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) { + var $$ = this, config = $$.config, + w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum : 0; + return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w; + }; + c3_chart_internal_fn.getBars = function (i, id) { + var $$ = this; + return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : '')); + }; + c3_chart_internal_fn.expandBars = function (i, id, reset) { + var $$ = this; + if (reset) { $$.unexpandBars(); } + $$.getBars(i, id).classed(CLASS.EXPANDED, true); + }; + c3_chart_internal_fn.unexpandBars = function (i) { + var $$ = this; + $$.getBars(i).classed(CLASS.EXPANDED, false); + }; + c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) { + var $$ = this, config = $$.config, + getPoints = $$.generateGetBarPoints(barIndices, isSub); + return function (d, i) { + // 4 points that make a bar + var points = getPoints(d, i); + + // switch points if axis is rotated, not applicable for sub chart + var indexX = config.axis_rotated ? 1 : 0; + var indexY = config.axis_rotated ? 0 : 1; + + var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' + + 'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' + + 'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' + + 'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' + + 'z'; + + return path; + }; + }; + c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) { + var $$ = this, + axis = isSub ? $$.subXAxis : $$.xAxis, + barTargetsNum = barIndices.__max__ + 1, + barW = $$.getBarW(axis, barTargetsNum), + barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub), + barY = $$.getShapeY(!!isSub), + barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub), + yScale = isSub ? $$.getSubYScale : $$.getYScale; + return function (d, i) { + var y0 = yScale.call($$, d.id)(0), + offset = barOffset(d, i) || y0, // offset is for stacked bar chart + posX = barX(d), posY = barY(d); + // fix posY not to overflow opposite quadrant + if ($$.config.axis_rotated) { + if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; } + } + // 4 points that make a bar + return [ + [posX, offset], + [posX, posY - (y0 - offset)], + [posX + barW, posY - (y0 - offset)], + [posX + barW, offset] + ]; + }; + }; + c3_chart_internal_fn.isWithinBar = function (that) { + var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(), + seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1), + x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y), + w = box.width, h = box.height, offset = 2, + sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset; + return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy; + }; + + c3_chart_internal_fn.initText = function () { + var $$ = this; + $$.main.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.chartTexts); + $$.mainText = $$.d3.selectAll([]); + }; + c3_chart_internal_fn.updateTargetsForText = function (targets) { + var $$ = this, mainTextUpdate, mainTextEnter, + classChartText = $$.classChartText.bind($$), + classTexts = $$.classTexts.bind($$), + classFocus = $$.classFocus.bind($$); + mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText) + .data(targets) + .attr('class', function (d) { return classChartText(d) + classFocus(d); }); + mainTextEnter = mainTextUpdate.enter().append('g') + .attr('class', classChartText) + .style('opacity', 0) + .style("pointer-events", "none"); + mainTextEnter.append('g') + .attr('class', classTexts); + }; + c3_chart_internal_fn.updateText = function (durationForExit) { + var $$ = this, config = $$.config, + barOrLineData = $$.barOrLineData.bind($$), + classText = $$.classText.bind($$); + $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text) + .data(barOrLineData); + $$.mainText.enter().append('text') + .attr("class", classText) + .attr('text-anchor', function (d) { return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; }) + .style("stroke", 'none') + .style("fill", function (d) { return $$.color(d); }) + .style("fill-opacity", 0); + $$.mainText + .text(function (d, i, j) { return $$.dataLabelFormat(d.id)(d.value, d.id, i, j); }); + $$.mainText.exit() + .transition().duration(durationForExit) + .style('fill-opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) { + return [ + (withTransition ? this.mainText.transition() : this.mainText) + .attr('x', xForText) + .attr('y', yForText) + .style("fill", this.color) + .style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this)) + ]; + }; + c3_chart_internal_fn.getTextRect = function (text, cls) { + var dummy = this.d3.select('body').append('div').classed('c3', true), + svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), + rect; + svg.selectAll('.dummy') + .data([text]) + .enter().append('text') + .classed(cls ? cls : "", true) + .text(text) + .each(function () { rect = this.getBoundingClientRect(); }); + dummy.remove(); + return rect; + }; + c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) { + var $$ = this, + getAreaPoints = $$.generateGetAreaPoints(areaIndices, false), + getBarPoints = $$.generateGetBarPoints(barIndices, false), + getLinePoints = $$.generateGetLinePoints(lineIndices, false), + getter = forX ? $$.getXForText : $$.getYForText; + return function (d, i) { + var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints; + return getter.call($$, getPoints(d, i), d, this); + }; + }; + c3_chart_internal_fn.getXForText = function (points, d, textElement) { + var $$ = this, + box = textElement.getBoundingClientRect(), xPos, padding; + if ($$.config.axis_rotated) { + padding = $$.isBarType(d) ? 4 : 6; + xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1); + } else { + xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0]; + } + // show labels regardless of the domain if value is null + if (d.value === null) { + if (xPos > $$.width) { + xPos = $$.width - box.width; + } else if (xPos < 0) { + xPos = 4; + } + } + return xPos; + }; + c3_chart_internal_fn.getYForText = function (points, d, textElement) { + var $$ = this, + box = textElement.getBoundingClientRect(), + yPos; + if ($$.config.axis_rotated) { + yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2; + } else { + yPos = points[2][1]; + if (d.value < 0) { + yPos += box.height; + if ($$.isBarType(d) && $$.isSafari()) { + yPos -= 3; + } + else if (!$$.isBarType(d) && $$.isChrome()) { + yPos += 3; + } + } else { + yPos += $$.isBarType(d) ? -3 : -6; + } + } + // show labels regardless of the domain if value is null + if (d.value === null && !$$.config.axis_rotated) { + if (yPos < box.height) { + yPos = box.height; + } else if (yPos > this.height) { + yPos = this.height - 4; + } + } + return yPos; + }; + + c3_chart_internal_fn.setTargetType = function (targetIds, type) { + var $$ = this, config = $$.config; + $$.mapToTargetIds(targetIds).forEach(function (id) { + $$.withoutFadeIn[id] = (type === config.data_types[id]); + config.data_types[id] = type; + }); + if (!targetIds) { + config.data_type = type; + } + }; + c3_chart_internal_fn.hasType = function (type, targets) { + var $$ = this, types = $$.config.data_types, has = false; + targets = targets || $$.data.targets; + if (targets && targets.length) { + targets.forEach(function (target) { + var t = types[target.id]; + if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) { + has = true; + } + }); + } else if (Object.keys(types).length) { + Object.keys(types).forEach(function (id) { + if (types[id] === type) { has = true; } + }); + } else { + has = $$.config.data_type === type; + } + return has; + }; + c3_chart_internal_fn.hasArcType = function (targets) { + return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets); + }; + c3_chart_internal_fn.isLineType = function (d) { + var config = this.config, id = isString(d) ? d : d.id; + return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0; + }; + c3_chart_internal_fn.isStepType = function (d) { + var id = isString(d) ? d : d.id; + return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0; + }; + c3_chart_internal_fn.isSplineType = function (d) { + var id = isString(d) ? d : d.id; + return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0; + }; + c3_chart_internal_fn.isAreaType = function (d) { + var id = isString(d) ? d : d.id; + return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0; + }; + c3_chart_internal_fn.isBarType = function (d) { + var id = isString(d) ? d : d.id; + return this.config.data_types[id] === 'bar'; + }; + c3_chart_internal_fn.isScatterType = function (d) { + var id = isString(d) ? d : d.id; + return this.config.data_types[id] === 'scatter'; + }; + c3_chart_internal_fn.isPieType = function (d) { + var id = isString(d) ? d : d.id; + return this.config.data_types[id] === 'pie'; + }; + c3_chart_internal_fn.isGaugeType = function (d) { + var id = isString(d) ? d : d.id; + return this.config.data_types[id] === 'gauge'; + }; + c3_chart_internal_fn.isDonutType = function (d) { + var id = isString(d) ? d : d.id; + return this.config.data_types[id] === 'donut'; + }; + c3_chart_internal_fn.isArcType = function (d) { + return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d); + }; + c3_chart_internal_fn.lineData = function (d) { + return this.isLineType(d) ? [d] : []; + }; + c3_chart_internal_fn.arcData = function (d) { + return this.isArcType(d.data) ? [d] : []; + }; + /* not used + function scatterData(d) { + return isScatterType(d) ? d.values : []; + } + */ + c3_chart_internal_fn.barData = function (d) { + return this.isBarType(d) ? d.values : []; + }; + c3_chart_internal_fn.lineOrScatterData = function (d) { + return this.isLineType(d) || this.isScatterType(d) ? d.values : []; + }; + c3_chart_internal_fn.barOrLineData = function (d) { + return this.isBarType(d) || this.isLineType(d) ? d.values : []; + }; + + c3_chart_internal_fn.initGrid = function () { + var $$ = this, config = $$.config, d3 = $$.d3; + $$.grid = $$.main.append('g') + .attr("clip-path", $$.clipPathForGrid) + .attr('class', CLASS.grid); + if (config.grid_x_show) { + $$.grid.append("g").attr("class", CLASS.xgrids); + } + if (config.grid_y_show) { + $$.grid.append('g').attr('class', CLASS.ygrids); + } + if (config.grid_focus_show) { + $$.grid.append('g') + .attr("class", CLASS.xgridFocus) + .append('line') + .attr('class', CLASS.xgridFocus); + } + $$.xgrid = d3.selectAll([]); + if (!config.grid_lines_front) { $$.initGridLines(); } + }; + c3_chart_internal_fn.initGridLines = function () { + var $$ = this, d3 = $$.d3; + $$.gridLines = $$.main.append('g') + .attr("clip-path", $$.clipPathForGrid) + .attr('class', CLASS.grid + ' ' + CLASS.gridLines); + $$.gridLines.append('g').attr("class", CLASS.xgridLines); + $$.gridLines.append('g').attr('class', CLASS.ygridLines); + $$.xgridLines = d3.selectAll([]); + }; + c3_chart_internal_fn.updateXGrid = function (withoutUpdate) { + var $$ = this, config = $$.config, d3 = $$.d3, + xgridData = $$.generateGridData(config.grid_x_type, $$.x), + tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0; + + $$.xgridAttr = config.axis_rotated ? { + 'x1': 0, + 'x2': $$.width, + 'y1': function (d) { return $$.x(d) - tickOffset; }, + 'y2': function (d) { return $$.x(d) - tickOffset; } + } : { + 'x1': function (d) { return $$.x(d) + tickOffset; }, + 'x2': function (d) { return $$.x(d) + tickOffset; }, + 'y1': 0, + 'y2': $$.height + }; + + $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid) + .data(xgridData); + $$.xgrid.enter().append('line').attr("class", CLASS.xgrid); + if (!withoutUpdate) { + $$.xgrid.attr($$.xgridAttr) + .style("opacity", function () { return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1; }); + } + $$.xgrid.exit().remove(); + }; + + c3_chart_internal_fn.updateYGrid = function () { + var $$ = this, config = $$.config, + gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks); + $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid) + .data(gridValues); + $$.ygrid.enter().append('line') + .attr('class', CLASS.ygrid); + $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0) + .attr("x2", config.axis_rotated ? $$.y : $$.width) + .attr("y1", config.axis_rotated ? 0 : $$.y) + .attr("y2", config.axis_rotated ? $$.height : $$.y); + $$.ygrid.exit().remove(); + $$.smoothLines($$.ygrid, 'grid'); + }; + + c3_chart_internal_fn.gridTextAnchor = function (d) { + return d.position ? d.position : "end"; + }; + c3_chart_internal_fn.gridTextDx = function (d) { + return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4; + }; + c3_chart_internal_fn.xGridTextX = function (d) { + return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0; + }; + c3_chart_internal_fn.yGridTextX = function (d) { + return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width; + }; + c3_chart_internal_fn.updateGrid = function (duration) { + var $$ = this, main = $$.main, config = $$.config, + xgridLine, ygridLine, yv; + + // hide if arc type + $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible'); + + main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden"); + if (config.grid_x_show) { + $$.updateXGrid(); + } + $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine) + .data(config.grid_x_lines); + // enter + xgridLine = $$.xgridLines.enter().append('g') + .attr("class", function (d) { return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : ''); }); + xgridLine.append('line') + .style("opacity", 0); + xgridLine.append('text') + .attr("text-anchor", $$.gridTextAnchor) + .attr("transform", config.axis_rotated ? "" : "rotate(-90)") + .attr('dx', $$.gridTextDx) + .attr('dy', -5) + .style("opacity", 0); + // udpate + // done in d3.transition() of the end of this function + // exit + $$.xgridLines.exit().transition().duration(duration) + .style("opacity", 0) + .remove(); + + // Y-Grid + if (config.grid_y_show) { + $$.updateYGrid(); + } + $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine) + .data(config.grid_y_lines); + // enter + ygridLine = $$.ygridLines.enter().append('g') + .attr("class", function (d) { return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : ''); }); + ygridLine.append('line') + .style("opacity", 0); + ygridLine.append('text') + .attr("text-anchor", $$.gridTextAnchor) + .attr("transform", config.axis_rotated ? "rotate(-90)" : "") + .attr('dx', $$.gridTextDx) + .attr('dy', -5) + .style("opacity", 0); + // update + yv = $$.yv.bind($$); + $$.ygridLines.select('line') + .transition().duration(duration) + .attr("x1", config.axis_rotated ? yv : 0) + .attr("x2", config.axis_rotated ? yv : $$.width) + .attr("y1", config.axis_rotated ? 0 : yv) + .attr("y2", config.axis_rotated ? $$.height : yv) + .style("opacity", 1); + $$.ygridLines.select('text') + .transition().duration(duration) + .attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$)) + .attr("y", yv) + .text(function (d) { return d.text; }) + .style("opacity", 1); + // exit + $$.ygridLines.exit().transition().duration(duration) + .style("opacity", 0) + .remove(); + }; + c3_chart_internal_fn.redrawGrid = function (withTransition) { + var $$ = this, config = $$.config, xv = $$.xv.bind($$), + lines = $$.xgridLines.select('line'), + texts = $$.xgridLines.select('text'); + return [ + (withTransition ? lines.transition() : lines) + .attr("x1", config.axis_rotated ? 0 : xv) + .attr("x2", config.axis_rotated ? $$.width : xv) + .attr("y1", config.axis_rotated ? xv : 0) + .attr("y2", config.axis_rotated ? xv : $$.height) + .style("opacity", 1), + (withTransition ? texts.transition() : texts) + .attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$)) + .attr("y", xv) + .text(function (d) { return d.text; }) + .style("opacity", 1) + ]; + }; + c3_chart_internal_fn.showXGridFocus = function (selectedData) { + var $$ = this, config = $$.config, + dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }), + focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus), + xx = $$.xx.bind($$); + if (! config.tooltip_show) { return; } + // Hide when scatter plot exists + if ($$.hasType('scatter') || $$.hasArcType()) { return; } + focusEl + .style("visibility", "visible") + .data([dataToShow[0]]) + .attr(config.axis_rotated ? 'y1' : 'x1', xx) + .attr(config.axis_rotated ? 'y2' : 'x2', xx); + $$.smoothLines(focusEl, 'grid'); + }; + c3_chart_internal_fn.hideXGridFocus = function () { + this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden"); + }; + c3_chart_internal_fn.updateXgridFocus = function () { + var $$ = this, config = $$.config; + $$.main.select('line.' + CLASS.xgridFocus) + .attr("x1", config.axis_rotated ? 0 : -10) + .attr("x2", config.axis_rotated ? $$.width : -10) + .attr("y1", config.axis_rotated ? -10 : 0) + .attr("y2", config.axis_rotated ? -10 : $$.height); + }; + c3_chart_internal_fn.generateGridData = function (type, scale) { + var $$ = this, + gridData = [], xDomain, firstYear, lastYear, i, + tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size(); + if (type === 'year') { + xDomain = $$.getXDomain(); + firstYear = xDomain[0].getFullYear(); + lastYear = xDomain[1].getFullYear(); + for (i = firstYear; i <= lastYear; i++) { + gridData.push(new Date(i + '-01-01 00:00:00')); + } + } else { + gridData = scale.ticks(10); + if (gridData.length > tickNum) { // use only int + gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; }); + } + } + return gridData; + }; + c3_chart_internal_fn.getGridFilterToRemove = function (params) { + return params ? function (line) { + var found = false; + [].concat(params).forEach(function (param) { + if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) { + found = true; + } + }); + return found; + } : function () { return true; }; + }; + c3_chart_internal_fn.removeGridLines = function (params, forX) { + var $$ = this, config = $$.config, + toRemove = $$.getGridFilterToRemove(params), + toShow = function (line) { return !toRemove(line); }, + classLines = forX ? CLASS.xgridLines : CLASS.ygridLines, + classLine = forX ? CLASS.xgridLine : CLASS.ygridLine; + $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove) + .transition().duration(config.transition_duration) + .style('opacity', 0).remove(); + if (forX) { + config.grid_x_lines = config.grid_x_lines.filter(toShow); + } else { + config.grid_y_lines = config.grid_y_lines.filter(toShow); + } + }; + + c3_chart_internal_fn.initTooltip = function () { + var $$ = this, config = $$.config, i; + $$.tooltip = $$.selectChart + .style("position", "relative") + .append("div") + .attr('class', CLASS.tooltipContainer) + .style("position", "absolute") + .style("pointer-events", "none") + .style("display", "none"); + // Show tooltip if needed + if (config.tooltip_init_show) { + if ($$.isTimeSeries() && isString(config.tooltip_init_x)) { + config.tooltip_init_x = $$.parseDate(config.tooltip_init_x); + for (i = 0; i < $$.data.targets[0].values.length; i++) { + if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) { break; } + } + config.tooltip_init_x = i; + } + $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) { + return $$.addName(d.values[config.tooltip_init_x]); + }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color)); + $$.tooltip.style("top", config.tooltip_init_position.top) + .style("left", config.tooltip_init_position.left) + .style("display", "block"); + } + }; + c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) { + var $$ = this, config = $$.config, + titleFormat = config.tooltip_format_title || defaultTitleFormat, + nameFormat = config.tooltip_format_name || function (name) { return name; }, + valueFormat = config.tooltip_format_value || defaultValueFormat, + text, i, title, value, name, bgcolor; + for (i = 0; i < d.length; i++) { + if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; } + + if (! text) { + title = titleFormat ? titleFormat(d[i].x) : d[i].x; + text = "<table class='" + CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : ""); + } + + value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index); + if (value !== undefined) { + name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index); + bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id); + + text += "<tr class='" + CLASS.tooltipName + "-" + d[i].id + "'>"; + text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>"; + text += "<td class='value'>" + value + "</td>"; + text += "</tr>"; + } + } + return text + "</table>"; + }; + c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) { + var $$ = this, config = $$.config, d3 = $$.d3; + var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight; + var forArc = $$.hasArcType(), + mouse = d3.mouse(element); + // Determin tooltip position + if (forArc) { + tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0]; + tooltipTop = ($$.height / 2) + mouse[1] + 20; + } else { + svgLeft = $$.getSvgLeft(true); + if (config.axis_rotated) { + tooltipLeft = svgLeft + mouse[0] + 100; + tooltipRight = tooltipLeft + tWidth; + chartRight = $$.currentWidth - $$.getCurrentPaddingRight(); + tooltipTop = $$.x(dataToShow[0].x) + 20; + } else { + tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20; + tooltipRight = tooltipLeft + tWidth; + chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight(); + tooltipTop = mouse[1] + 15; + } + + if (tooltipRight > chartRight) { + // 20 is needed for Firefox to keep tooletip width + tooltipLeft -= tooltipRight - chartRight + 20; + } + if (tooltipTop + tHeight > $$.currentHeight) { + tooltipTop -= tHeight + 30; + } + } + if (tooltipTop < 0) { + tooltipTop = 0; + } + return {top: tooltipTop, left: tooltipLeft}; + }; + c3_chart_internal_fn.showTooltip = function (selectedData, element) { + var $$ = this, config = $$.config; + var tWidth, tHeight, position; + var forArc = $$.hasArcType(), + dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }), + positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition; + if (dataToShow.length === 0 || !config.tooltip_show) { + return; + } + $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block"); + + // Get tooltip dimensions + tWidth = $$.tooltip.property('offsetWidth'); + tHeight = $$.tooltip.property('offsetHeight'); + + position = positionFunction.call(this, dataToShow, tWidth, tHeight, element); + // Set tooltip + $$.tooltip + .style("top", position.top + "px") + .style("left", position.left + 'px'); + }; + c3_chart_internal_fn.hideTooltip = function () { + this.tooltip.style("display", "none"); + }; + + c3_chart_internal_fn.initLegend = function () { + var $$ = this; + $$.legendItemTextBox = {}; + $$.legendHasRendered = false; + $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend')); + if (!$$.config.legend_show) { + $$.legend.style('visibility', 'hidden'); + $$.hiddenLegendIds = $$.mapToIds($$.data.targets); + return; + } + // MEMO: call here to update legend box and tranlate for all + // MEMO: translate will be upated by this, so transform not needed in updateLegend() + $$.updateLegendWithDefaults(); + }; + c3_chart_internal_fn.updateLegendWithDefaults = function () { + var $$ = this; + $$.updateLegend($$.mapToIds($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false}); + }; + c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) { + var $$ = this, config = $$.config, insetLegendPosition = { + top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y, + left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5 + }; + + $$.margin3 = { + top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight, + right: NaN, + bottom: 0, + left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0 + }; + }; + c3_chart_internal_fn.transformLegend = function (withTransition) { + var $$ = this; + (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend')); + }; + c3_chart_internal_fn.updateLegendStep = function (step) { + this.legendStep = step; + }; + c3_chart_internal_fn.updateLegendItemWidth = function (w) { + this.legendItemWidth = w; + }; + c3_chart_internal_fn.updateLegendItemHeight = function (h) { + this.legendItemHeight = h; + }; + c3_chart_internal_fn.getLegendWidth = function () { + var $$ = this; + return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0; + }; + c3_chart_internal_fn.getLegendHeight = function () { + var $$ = this, h = 0; + if ($$.config.legend_show) { + if ($$.isLegendRight) { + h = $$.currentHeight; + } else { + h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1); + } + } + return h; + }; + c3_chart_internal_fn.opacityForLegend = function (legendItem) { + return legendItem.classed(CLASS.legendItemHidden) ? null : 1; + }; + c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) { + return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3; + }; + c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) { + var $$ = this; + targetIds = $$.mapToTargetIds(targetIds); + $$.legend.selectAll('.' + CLASS.legendItem) + .filter(function (id) { return targetIds.indexOf(id) >= 0; }) + .classed(CLASS.legendItemFocused, focus) + .transition().duration(100) + .style('opacity', function () { + var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend; + return opacity.call($$, $$.d3.select(this)); + }); + }; + c3_chart_internal_fn.revertLegend = function () { + var $$ = this, d3 = $$.d3; + $$.legend.selectAll('.' + CLASS.legendItem) + .classed(CLASS.legendItemFocused, false) + .transition().duration(100) + .style('opacity', function () { return $$.opacityForLegend(d3.select(this)); }); + }; + c3_chart_internal_fn.showLegend = function (targetIds) { + var $$ = this, config = $$.config; + if (!config.legend_show) { + config.legend_show = true; + $$.legend.style('visibility', 'visible'); + if (!$$.legendHasRendered) { + $$.updateLegendWithDefaults(); + } + } + $$.removeHiddenLegendIds(targetIds); + $$.legend.selectAll($$.selectorLegends(targetIds)) + .style('visibility', 'visible') + .transition() + .style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); }); + }; + c3_chart_internal_fn.hideLegend = function (targetIds) { + var $$ = this, config = $$.config; + if (config.legend_show && isEmpty(targetIds)) { + config.legend_show = false; + $$.legend.style('visibility', 'hidden'); + } + $$.addHiddenLegendIds(targetIds); + $$.legend.selectAll($$.selectorLegends(targetIds)) + .style('opacity', 0) + .style('visibility', 'hidden'); + }; + c3_chart_internal_fn.clearLegendItemTextBoxCache = function () { + this.legendItemTextBox = {}; + }; + c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) { + var $$ = this, config = $$.config; + var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect; + var paddingTop = 4, paddingRight = 10, maxWidth = 0, maxHeight = 0, posMin = 10, tileWidth = 15; + var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0; + var withTransition, withTransitionForTransform; + var texts, rects, tiles, background; + + options = options || {}; + withTransition = getOption(options, "withTransition", true); + withTransitionForTransform = getOption(options, "withTransitionForTransform", true); + + function getTextBox(textElement, id) { + if (!$$.legendItemTextBox[id]) { + $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem); + } + return $$.legendItemTextBox[id]; + } + + function updatePositions(textElement, id, index) { + var reset = index === 0, isLast = index === targetIds.length - 1, + box = getTextBox(textElement, id), + itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight), + itemHeight = box.height + paddingTop, + itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth, + areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(), + margin, maxLength; + + // MEMO: care about condifion of step, totalLength + function updateValues(id, withoutStep) { + if (!withoutStep) { + margin = (areaLength - totalLength - itemLength) / 2; + if (margin < posMin) { + margin = (areaLength - itemLength) / 2; + totalLength = 0; + step++; + } + } + steps[id] = step; + margins[step] = $$.isLegendInset ? 10 : margin; + offsets[id] = totalLength; + totalLength += itemLength; + } + + if (reset) { + totalLength = 0; + step = 0; + maxWidth = 0; + maxHeight = 0; + } + + if (config.legend_show && !$$.isLegendToShow(id)) { + widths[id] = heights[id] = steps[id] = offsets[id] = 0; + return; + } + + widths[id] = itemWidth; + heights[id] = itemHeight; + + if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; } + if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; } + maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth; + + if (config.legend_equally) { + Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; }); + Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; }); + margin = (areaLength - maxLength * targetIds.length) / 2; + if (margin < posMin) { + totalLength = 0; + step = 0; + targetIds.forEach(function (id) { updateValues(id); }); + } + else { + updateValues(id, true); + } + } else { + updateValues(id); + } + } + + if ($$.isLegendInset) { + step = config.legend_inset_step ? config.legend_inset_step : targetIds.length; + $$.updateLegendStep(step); + } + + if ($$.isLegendRight) { + xForLegend = function (id) { return maxWidth * steps[id]; }; + yForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; + } else if ($$.isLegendInset) { + xForLegend = function (id) { return maxWidth * steps[id] + 10; }; + yForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; + } else { + xForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; + yForLegend = function (id) { return maxHeight * steps[id]; }; + } + xForLegendText = function (id, i) { return xForLegend(id, i) + 14; }; + yForLegendText = function (id, i) { return yForLegend(id, i) + 9; }; + xForLegendRect = function (id, i) { return xForLegend(id, i); }; + yForLegendRect = function (id, i) { return yForLegend(id, i) - 5; }; + + // Define g for legend area + l = $$.legend.selectAll('.' + CLASS.legendItem) + .data(targetIds) + .enter().append('g') + .attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); }) + .style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; }) + .style('cursor', 'pointer') + .on('click', function (id) { + if (config.legend_item_onclick) { + config.legend_item_onclick.call($$, id); + } else { + if ($$.d3.event.altKey) { + $$.api.hide(); + $$.api.show(id); + } else { + $$.api.toggle(id); + $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert(); + } + } + }) + .on('mouseover', function (id) { + $$.d3.select(this).classed(CLASS.legendItemFocused, true); + if (!$$.transiting && $$.isTargetToShow(id)) { + $$.api.focus(id); + } + if (config.legend_item_onmouseover) { + config.legend_item_onmouseover.call($$, id); + } + }) + .on('mouseout', function (id) { + $$.d3.select(this).classed(CLASS.legendItemFocused, false); + $$.api.revert(); + if (config.legend_item_onmouseout) { + config.legend_item_onmouseout.call($$, id); + } + }); + l.append('text') + .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) + .each(function (id, i) { updatePositions(this, id, i); }) + .style("pointer-events", "none") + .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200) + .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText); + l.append('rect') + .attr("class", CLASS.legendItemEvent) + .style('fill-opacity', 0) + .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200) + .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect); + l.append('rect') + .attr("class", CLASS.legendItemTile) + .style("pointer-events", "none") + .style('fill', $$.color) + .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200) + .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegend) + .attr('width', 10) + .attr('height', 10); + + // Set background for inset legend + background = $$.legend.select('.' + CLASS.legendBackground + ' rect'); + if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) { + background = $$.legend.insert('g', '.' + CLASS.legendItem) + .attr("class", CLASS.legendBackground) + .append('rect'); + } + + texts = $$.legend.selectAll('text') + .data(targetIds) + .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update + .each(function (id, i) { updatePositions(this, id, i); }); + (withTransition ? texts.transition() : texts) + .attr('x', xForLegendText) + .attr('y', yForLegendText); + + rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent) + .data(targetIds); + (withTransition ? rects.transition() : rects) + .attr('width', function (id) { return widths[id]; }) + .attr('height', function (id) { return heights[id]; }) + .attr('x', xForLegendRect) + .attr('y', yForLegendRect); + + tiles = $$.legend.selectAll('rect.' + CLASS.legendItemTile) + .data(targetIds); + (withTransition ? tiles.transition() : tiles) + .style('fill', $$.color) + .attr('x', xForLegend) + .attr('y', yForLegend); + + if (background) { + (withTransition ? background.transition() : background) + .attr('height', $$.getLegendHeight() - 12) + .attr('width', maxWidth * (step + 1) + 10); + } + + // toggle legend state + $$.legend.selectAll('.' + CLASS.legendItem) + .classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); }); + + // Update all to reflect change of legend + $$.updateLegendItemWidth(maxWidth); + $$.updateLegendItemHeight(maxHeight); + $$.updateLegendStep(step); + // Update size and scale + $$.updateSizes(); + $$.updateScales(); + $$.updateSvgSize(); + // Update g positions + $$.transformAll(withTransitionForTransform, transitions); + $$.legendHasRendered = true; + }; + + function Axis(owner) { + API.call(this, owner); + } + + inherit(API, Axis); + + Axis.prototype.init = function init() { + + var $$ = this.owner, config = $$.config, main = $$.main; + $$.axes.x = main.append("g") + .attr("class", CLASS.axis + ' ' + CLASS.axisX) + .attr("clip-path", $$.clipPathForXAxis) + .attr("transform", $$.getTranslate('x')) + .style("visibility", config.axis_x_show ? 'visible' : 'hidden'); + $$.axes.x.append("text") + .attr("class", CLASS.axisXLabel) + .attr("transform", config.axis_rotated ? "rotate(-90)" : "") + .style("text-anchor", this.textAnchorForXAxisLabel.bind(this)); + $$.axes.y = main.append("g") + .attr("class", CLASS.axis + ' ' + CLASS.axisY) + .attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis) + .attr("transform", $$.getTranslate('y')) + .style("visibility", config.axis_y_show ? 'visible' : 'hidden'); + $$.axes.y.append("text") + .attr("class", CLASS.axisYLabel) + .attr("transform", config.axis_rotated ? "" : "rotate(-90)") + .style("text-anchor", this.textAnchorForYAxisLabel.bind(this)); + + $$.axes.y2 = main.append("g") + .attr("class", CLASS.axis + ' ' + CLASS.axisY2) + // clip-path? + .attr("transform", $$.getTranslate('y2')) + .style("visibility", config.axis_y2_show ? 'visible' : 'hidden'); + $$.axes.y2.append("text") + .attr("class", CLASS.axisY2Label) + .attr("transform", config.axis_rotated ? "" : "rotate(-90)") + .style("text-anchor", this.textAnchorForY2AxisLabel.bind(this)); + }; + Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) { + var $$ = this.owner, config = $$.config, + axisParams = { + isCategory: $$.isCategorized(), + withOuterTick: withOuterTick, + tickMultiline: config.axis_x_tick_multiline, + tickWidth: config.axis_x_tick_width, + tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate, + withoutTransition: withoutTransition, + }, + axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient); + + if ($$.isTimeSeries() && tickValues) { + tickValues = tickValues.map(function (v) { return $$.parseDate(v); }); + } + + // Set tick + axis.tickFormat(tickFormat).tickValues(tickValues); + if ($$.isCategorized()) { + axis.tickCentered(config.axis_x_tick_centered); + if (isEmpty(config.axis_x_tick_culling)) { + config.axis_x_tick_culling = false; + } + } + + return axis; + }; + Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) { + var $$ = this.owner, config = $$.config, tickValues; + if (config.axis_x_tick_fit || config.axis_x_tick_count) { + tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries()); + } + if (axis) { + axis.tickValues(tickValues); + } else { + $$.xAxis.tickValues(tickValues); + $$.subXAxis.tickValues(tickValues); + } + return tickValues; + }; + Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) { + var axisParams = { + withOuterTick: withOuterTick, + withoutTransition: withoutTransition, + }, + $$ = this.owner, + d3 = $$.d3, + config = $$.config, + axis = c3_axis(d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat); + if ($$.isTimeSeriesY()) { + axis.ticks(d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval); + } else { + axis.tickValues(tickValues); + } + return axis; + }; + Axis.prototype.getId = function getId(id) { + var config = this.owner.config; + return id in config.data_axes ? config.data_axes[id] : 'y'; + }; + Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() { + var $$ = this.owner, config = $$.config, + format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; }; + if (config.axis_x_tick_format) { + if (isFunction(config.axis_x_tick_format)) { + format = config.axis_x_tick_format; + } else if ($$.isTimeSeries()) { + format = function (date) { + return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : ""; + }; + } + } + return isFunction(format) ? function (v) { return format.call($$, v); } : format; + }; + Axis.prototype.getTickValues = function getTickValues(tickValues, axis) { + return tickValues ? tickValues : axis ? axis.tickValues() : undefined; + }; + Axis.prototype.getXAxisTickValues = function getXAxisTickValues() { + return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis); + }; + Axis.prototype.getYAxisTickValues = function getYAxisTickValues() { + return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis); + }; + Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() { + return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis); + }; + Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) { + var $$ = this.owner, config = $$.config, option; + if (axisId === 'y') { + option = config.axis_y_label; + } else if (axisId === 'y2') { + option = config.axis_y2_label; + } else if (axisId === 'x') { + option = config.axis_x_label; + } + return option; + }; + Axis.prototype.getLabelText = function getLabelText(axisId) { + var option = this.getLabelOptionByAxisId(axisId); + return isString(option) ? option : option ? option.text : null; + }; + Axis.prototype.setLabelText = function setLabelText(axisId, text) { + var $$ = this.owner, config = $$.config, + option = this.getLabelOptionByAxisId(axisId); + if (isString(option)) { + if (axisId === 'y') { + config.axis_y_label = text; + } else if (axisId === 'y2') { + config.axis_y2_label = text; + } else if (axisId === 'x') { + config.axis_x_label = text; + } + } else if (option) { + option.text = text; + } + }; + Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) { + var option = this.getLabelOptionByAxisId(axisId), + position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition; + return { + isInner: position.indexOf('inner') >= 0, + isOuter: position.indexOf('outer') >= 0, + isLeft: position.indexOf('left') >= 0, + isCenter: position.indexOf('center') >= 0, + isRight: position.indexOf('right') >= 0, + isTop: position.indexOf('top') >= 0, + isMiddle: position.indexOf('middle') >= 0, + isBottom: position.indexOf('bottom') >= 0 + }; + }; + Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() { + return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right'); + }; + Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() { + return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top'); + }; + Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() { + return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top'); + }; + Axis.prototype.getLabelPositionById = function getLabelPositionById(id) { + return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition(); + }; + Axis.prototype.textForXAxisLabel = function textForXAxisLabel() { + return this.getLabelText('x'); + }; + Axis.prototype.textForYAxisLabel = function textForYAxisLabel() { + return this.getLabelText('y'); + }; + Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() { + return this.getLabelText('y2'); + }; + Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) { + var $$ = this.owner; + if (forHorizontal) { + return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width; + } else { + return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0; + } + }; + Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) { + if (forHorizontal) { + return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0"; + } else { + return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0"; + } + }; + Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) { + if (forHorizontal) { + return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end'; + } else { + return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end'; + } + }; + Axis.prototype.xForXAxisLabel = function xForXAxisLabel() { + return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition()); + }; + Axis.prototype.xForYAxisLabel = function xForYAxisLabel() { + return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition()); + }; + Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() { + return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition()); + }; + Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() { + return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition()); + }; + Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() { + return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition()); + }; + Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() { + return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition()); + }; + Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() { + var $$ = this.owner, config = $$.config, + position = this.getXAxisLabelPosition(); + if (config.axis_rotated) { + return position.isInner ? "1.2em" : -25 - this.getMaxTickWidth('x'); + } else { + return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em"; + } + }; + Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() { + var $$ = this.owner, + position = this.getYAxisLabelPosition(); + if ($$.config.axis_rotated) { + return position.isInner ? "-0.5em" : "3em"; + } else { + return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : (this.getMaxTickWidth('y') + 10)); + } + }; + Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() { + var $$ = this.owner, + position = this.getY2AxisLabelPosition(); + if ($$.config.axis_rotated) { + return position.isInner ? "1.2em" : "-2.2em"; + } else { + return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2') + 15)); + } + }; + Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() { + var $$ = this.owner; + return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition()); + }; + Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() { + var $$ = this.owner; + return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition()); + }; + Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() { + var $$ = this.owner; + return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition()); + }; + Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) { + var $$ = this.owner, config = $$.config, + maxWidth = 0, targetsToShow, scale, axis, dummy, svg; + if (withoutRecompute && $$.currentMaxTickWidths[id]) { + return $$.currentMaxTickWidths[id]; + } + if ($$.svg) { + targetsToShow = $$.filterTargetsToShow($$.data.targets); + if (id === 'y') { + scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y')); + axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true); + } else if (id === 'y2') { + scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2')); + axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true); + } else { + scale = $$.x.copy().domain($$.getXDomain(targetsToShow)); + axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true); + this.updateXAxisTickValues(targetsToShow, axis); + } + dummy = $$.d3.select('body').append('div').classed('c3', true); + svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), + svg.append('g').call(axis).each(function () { + $$.d3.select(this).selectAll('text').each(function () { + var box = this.getBoundingClientRect(); + if (maxWidth < box.width) { maxWidth = box.width; } + }); + dummy.remove(); + }); + } + $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth; + return $$.currentMaxTickWidths[id]; + }; + + Axis.prototype.updateLabels = function updateLabels(withTransition) { + var $$ = this.owner; + var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel), + axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel), + axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label); + (withTransition ? axisXLabel.transition() : axisXLabel) + .attr("x", this.xForXAxisLabel.bind(this)) + .attr("dx", this.dxForXAxisLabel.bind(this)) + .attr("dy", this.dyForXAxisLabel.bind(this)) + .text(this.textForXAxisLabel.bind(this)); + (withTransition ? axisYLabel.transition() : axisYLabel) + .attr("x", this.xForYAxisLabel.bind(this)) + .attr("dx", this.dxForYAxisLabel.bind(this)) + .attr("dy", this.dyForYAxisLabel.bind(this)) + .text(this.textForYAxisLabel.bind(this)); + (withTransition ? axisY2Label.transition() : axisY2Label) + .attr("x", this.xForY2AxisLabel.bind(this)) + .attr("dx", this.dxForY2AxisLabel.bind(this)) + .attr("dy", this.dyForY2AxisLabel.bind(this)) + .text(this.textForY2AxisLabel.bind(this)); + }; + Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) { + if (!isValue(padding[key])) { + return defaultValue; + } + if (padding.unit === 'ratio') { + return padding[key] * domainLength; + } + // assume padding is pixels if unit is not specified + return this.convertPixelsToAxisPadding(padding[key], domainLength); + }; + Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) { + var $$ = this.owner, + length = $$.config.axis_rotated ? $$.width : $$.height; + return domainLength * (pixels / length); + }; + Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) { + var tickValues = values, targetCount, start, end, count, interval, i, tickValue; + if (tickCount) { + targetCount = isFunction(tickCount) ? tickCount() : tickCount; + // compute ticks according to tickCount + if (targetCount === 1) { + tickValues = [values[0]]; + } else if (targetCount === 2) { + tickValues = [values[0], values[values.length - 1]]; + } else if (targetCount > 2) { + count = targetCount - 2; + start = values[0]; + end = values[values.length - 1]; + interval = (end - start) / (count + 1); + // re-construct unique values + tickValues = [start]; + for (i = 0; i < count; i++) { + tickValue = +start + interval * (i + 1); + tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue); + } + tickValues.push(end); + } + } + if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); } + return tickValues; + }; + Axis.prototype.generateTransitions = function generateTransitions(duration) { + var $$ = this.owner, axes = $$.axes; + return { + axisX: duration ? axes.x.transition().duration(duration) : axes.x, + axisY: duration ? axes.y.transition().duration(duration) : axes.y, + axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2, + axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx + }; + }; + Axis.prototype.redraw = function redraw(transitions, isHidden) { + var $$ = this.owner; + $$.axes.x.style("opacity", isHidden ? 0 : 1); + $$.axes.y.style("opacity", isHidden ? 0 : 1); + $$.axes.y2.style("opacity", isHidden ? 0 : 1); + $$.axes.subx.style("opacity", isHidden ? 0 : 1); + transitions.axisX.call($$.xAxis); + transitions.axisY.call($$.yAxis); + transitions.axisY2.call($$.y2Axis); + transitions.axisSubX.call($$.subXAxis); + }; + + c3_chart_internal_fn.getClipPath = function (id) { + var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0; + return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")"; + }; + c3_chart_internal_fn.appendClip = function (parent, id) { + return parent.append("clipPath").attr("id", id).append("rect"); + }; + c3_chart_internal_fn.getAxisClipX = function (forHorizontal) { + // axis line width + padding for left + var left = Math.max(30, this.margin.left); + return forHorizontal ? -(1 + left) : -(left - 1); + }; + c3_chart_internal_fn.getAxisClipY = function (forHorizontal) { + return forHorizontal ? -20 : -this.margin.top; + }; + c3_chart_internal_fn.getXAxisClipX = function () { + var $$ = this; + return $$.getAxisClipX(!$$.config.axis_rotated); + }; + c3_chart_internal_fn.getXAxisClipY = function () { + var $$ = this; + return $$.getAxisClipY(!$$.config.axis_rotated); + }; + c3_chart_internal_fn.getYAxisClipX = function () { + var $$ = this; + return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated); + }; + c3_chart_internal_fn.getYAxisClipY = function () { + var $$ = this; + return $$.getAxisClipY($$.config.axis_rotated); + }; + c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) { + var $$ = this, + left = Math.max(30, $$.margin.left), + right = Math.max(30, $$.margin.right); + // width + axis line width + padding for left/right + return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20; + }; + c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) { + // less than 20 is not enough to show the axis label 'outer' without legend + return (forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20; + }; + c3_chart_internal_fn.getXAxisClipWidth = function () { + var $$ = this; + return $$.getAxisClipWidth(!$$.config.axis_rotated); + }; + c3_chart_internal_fn.getXAxisClipHeight = function () { + var $$ = this; + return $$.getAxisClipHeight(!$$.config.axis_rotated); + }; + c3_chart_internal_fn.getYAxisClipWidth = function () { + var $$ = this; + return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0); + }; + c3_chart_internal_fn.getYAxisClipHeight = function () { + var $$ = this; + return $$.getAxisClipHeight($$.config.axis_rotated); + }; + + c3_chart_internal_fn.initPie = function () { + var $$ = this, d3 = $$.d3, config = $$.config; + $$.pie = d3.layout.pie().value(function (d) { + return d.values.reduce(function (a, b) { return a + b.value; }, 0); + }); + if (!config.data_order) { + $$.pie.sort(null); + } + }; + + c3_chart_internal_fn.updateRadius = function () { + var $$ = this, config = $$.config, + w = config.gauge_width || config.donut_width; + $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2; + $$.radius = $$.radiusExpanded * 0.95; + $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6; + $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0; + }; + + c3_chart_internal_fn.updateArc = function () { + var $$ = this; + $$.svgArc = $$.getSvgArc(); + $$.svgArcExpanded = $$.getSvgArcExpanded(); + $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98); + }; + + c3_chart_internal_fn.updateAngle = function (d) { + var $$ = this, config = $$.config, + found = false, index = 0, + gMin = config.gauge_min, gMax = config.gauge_max, gTic, gValue; + $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) { + if (! found && t.data.id === d.data.id) { + found = true; + d = t; + d.index = index; + } + index++; + }); + if (isNaN(d.startAngle)) { + d.startAngle = 0; + } + if (isNaN(d.endAngle)) { + d.endAngle = d.startAngle; + } + if ($$.isGaugeType(d.data)) { + gTic = (Math.PI) / (gMax - gMin); + gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin); + d.startAngle = -1 * (Math.PI / 2); + d.endAngle = d.startAngle + gTic * gValue; + } + return found ? d : null; + }; + + c3_chart_internal_fn.getSvgArc = function () { + var $$ = this, + arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius), + newArc = function (d, withoutUpdate) { + var updated; + if (withoutUpdate) { return arc(d); } // for interpolate + updated = $$.updateAngle(d); + return updated ? arc(updated) : "M 0 0"; + }; + // TODO: extends all function + newArc.centroid = arc.centroid; + return newArc; + }; + + c3_chart_internal_fn.getSvgArcExpanded = function (rate) { + var $$ = this, + arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius); + return function (d) { + var updated = $$.updateAngle(d); + return updated ? arc(updated) : "M 0 0"; + }; + }; + + c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) { + return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0"; + }; + + + c3_chart_internal_fn.transformForArcLabel = function (d) { + var $$ = this, + updated = $$.updateAngle(d), c, x, y, h, ratio, translate = ""; + if (updated && !$$.hasType('gauge')) { + c = this.svgArc.centroid(updated); + x = isNaN(c[0]) ? 0 : c[0]; + y = isNaN(c[1]) ? 0 : c[1]; + h = Math.sqrt(x * x + y * y); + // TODO: ratio should be an option? + ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0; + translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")"; + } + return translate; + }; + + c3_chart_internal_fn.getArcRatio = function (d) { + var $$ = this, + whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2); + return d ? (d.endAngle - d.startAngle) / whole : null; + }; + + c3_chart_internal_fn.convertToArcData = function (d) { + return this.addName({ + id: d.data.id, + value: d.value, + ratio: this.getArcRatio(d), + index: d.index + }); + }; + + c3_chart_internal_fn.textForArcLabel = function (d) { + var $$ = this, + updated, value, ratio, id, format; + if (! $$.shouldShowArcLabel()) { return ""; } + updated = $$.updateAngle(d); + value = updated ? updated.value : null; + ratio = $$.getArcRatio(updated); + id = d.data.id; + if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; } + format = $$.getArcLabelFormat(); + return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio); + }; + + c3_chart_internal_fn.expandArc = function (targetIds) { + var $$ = this, interval; + + // MEMO: avoid to cancel transition + if ($$.transiting) { + interval = window.setInterval(function () { + if (!$$.transiting) { + window.clearInterval(interval); + if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) { + $$.expandArc(targetIds); + } + } + }, 10); + return; + } + + targetIds = $$.mapToTargetIds(targetIds); + + $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) { + if (! $$.shouldExpand(d.data.id)) { return; } + $$.d3.select(this).selectAll('path') + .transition().duration(50) + .attr("d", $$.svgArcExpanded) + .transition().duration(100) + .attr("d", $$.svgArcExpandedSub) + .each(function (d) { + if ($$.isDonutType(d.data)) { + // callback here + } + }); + }); + }; + + c3_chart_internal_fn.unexpandArc = function (targetIds) { + var $$ = this; + + if ($$.transiting) { return; } + + targetIds = $$.mapToTargetIds(targetIds); + + $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path') + .transition().duration(50) + .attr("d", $$.svgArc); + $$.svg.selectAll('.' + CLASS.arc) + .style("opacity", 1); + }; + + c3_chart_internal_fn.shouldExpand = function (id) { + var $$ = this, config = $$.config; + return ($$.isDonutType(id) && config.donut_expand) || ($$.isGaugeType(id) && config.gauge_expand) || ($$.isPieType(id) && config.pie_expand); + }; + + c3_chart_internal_fn.shouldShowArcLabel = function () { + var $$ = this, config = $$.config, shouldShow = true; + if ($$.hasType('donut')) { + shouldShow = config.donut_label_show; + } else if ($$.hasType('pie')) { + shouldShow = config.pie_label_show; + } + // when gauge, always true + return shouldShow; + }; + + c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) { + var $$ = this, config = $$.config, + threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold; + return ratio >= threshold; + }; + + c3_chart_internal_fn.getArcLabelFormat = function () { + var $$ = this, config = $$.config, + format = config.pie_label_format; + if ($$.hasType('gauge')) { + format = config.gauge_label_format; + } else if ($$.hasType('donut')) { + format = config.donut_label_format; + } + return format; + }; + + c3_chart_internal_fn.getArcTitle = function () { + var $$ = this; + return $$.hasType('donut') ? $$.config.donut_title : ""; + }; + + c3_chart_internal_fn.updateTargetsForArc = function (targets) { + var $$ = this, main = $$.main, + mainPieUpdate, mainPieEnter, + classChartArc = $$.classChartArc.bind($$), + classArcs = $$.classArcs.bind($$), + classFocus = $$.classFocus.bind($$); + mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc) + .data($$.pie(targets)) + .attr("class", function (d) { return classChartArc(d) + classFocus(d.data); }); + mainPieEnter = mainPieUpdate.enter().append("g") + .attr("class", classChartArc); + mainPieEnter.append('g') + .attr('class', classArcs); + mainPieEnter.append("text") + .attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em") + .style("opacity", 0) + .style("text-anchor", "middle") + .style("pointer-events", "none"); + // MEMO: can not keep same color..., but not bad to update color in redraw + //mainPieUpdate.exit().remove(); + }; + + c3_chart_internal_fn.initArc = function () { + var $$ = this; + $$.arcs = $$.main.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.chartArcs) + .attr("transform", $$.getTranslate('arc')); + $$.arcs.append('text') + .attr('class', CLASS.chartArcsTitle) + .style("text-anchor", "middle") + .text($$.getArcTitle()); + }; + + c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) { + var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main, + mainArc; + mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc) + .data($$.arcData.bind($$)); + mainArc.enter().append('path') + .attr("class", $$.classArc.bind($$)) + .style("fill", function (d) { return $$.color(d.data); }) + .style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; }) + .style("opacity", 0) + .each(function (d) { + if ($$.isGaugeType(d.data)) { + d.startAngle = d.endAngle = -1 * (Math.PI / 2); + } + this._current = d; + }); + mainArc + .attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; }) + .style("opacity", function (d) { return d === this._current ? 0 : 1; }) + .on('mouseover', config.interaction_enabled ? function (d) { + var updated, arcData; + if ($$.transiting) { // skip while transiting + return; + } + updated = $$.updateAngle(d); + arcData = $$.convertToArcData(updated); + // transitions + $$.expandArc(updated.data.id); + $$.api.focus(updated.data.id); + $$.toggleFocusLegend(updated.data.id, true); + $$.config.data_onmouseover(arcData, this); + } : null) + .on('mousemove', config.interaction_enabled ? function (d) { + var updated = $$.updateAngle(d), + arcData = $$.convertToArcData(updated), + selectedData = [arcData]; + $$.showTooltip(selectedData, this); + } : null) + .on('mouseout', config.interaction_enabled ? function (d) { + var updated, arcData; + if ($$.transiting) { // skip while transiting + return; + } + updated = $$.updateAngle(d); + arcData = $$.convertToArcData(updated); + // transitions + $$.unexpandArc(updated.data.id); + $$.api.revert(); + $$.revertLegend(); + $$.hideTooltip(); + $$.config.data_onmouseout(arcData, this); + } : null) + .on('click', config.interaction_enabled ? function (d, i) { + var updated = $$.updateAngle(d), + arcData = $$.convertToArcData(updated); + if ($$.toggleShape) { $$.toggleShape(this, arcData, i); } + $$.config.data_onclick.call($$.api, arcData, this); + } : null) + .each(function () { $$.transiting = true; }) + .transition().duration(duration) + .attrTween("d", function (d) { + var updated = $$.updateAngle(d), interpolate; + if (! updated) { + return function () { return "M 0 0"; }; + } + // if (this._current === d) { + // this._current = { + // startAngle: Math.PI*2, + // endAngle: Math.PI*2, + // }; + // } + if (isNaN(this._current.startAngle)) { + this._current.startAngle = 0; + } + if (isNaN(this._current.endAngle)) { + this._current.endAngle = this._current.startAngle; + } + interpolate = d3.interpolate(this._current, updated); + this._current = interpolate(0); + return function (t) { + var interpolated = interpolate(t); + interpolated.data = d.data; // data.id will be updated by interporator + return $$.getArc(interpolated, true); + }; + }) + .attr("transform", withTransform ? "scale(1)" : "") + .style("fill", function (d) { + return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id); + }) // Where gauge reading color would receive customization. + .style("opacity", 1) + .call($$.endall, function () { + $$.transiting = false; + }); + mainArc.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + main.selectAll('.' + CLASS.chartArc).select('text') + .style("opacity", 0) + .attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; }) + .text($$.textForArcLabel.bind($$)) + .attr("transform", $$.transformForArcLabel.bind($$)) + .style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; }) + .transition().duration(duration) + .style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; }); + main.select('.' + CLASS.chartArcsTitle) + .style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0); + + if ($$.hasType('gauge')) { + $$.arcs.select('.' + CLASS.chartArcsBackground) + .attr("d", function () { + var d = { + data: [{value: config.gauge_max}], + startAngle: -1 * (Math.PI / 2), + endAngle: Math.PI / 2 + }; + return $$.getArc(d, true, true); + }); + $$.arcs.select('.' + CLASS.chartArcsGaugeUnit) + .attr("dy", ".75em") + .text(config.gauge_label_show ? config.gauge_units : ''); + $$.arcs.select('.' + CLASS.chartArcsGaugeMin) + .attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px") + .attr("dy", "1.2em") + .text(config.gauge_label_show ? config.gauge_min : ''); + $$.arcs.select('.' + CLASS.chartArcsGaugeMax) + .attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px") + .attr("dy", "1.2em") + .text(config.gauge_label_show ? config.gauge_max : ''); + } + }; + c3_chart_internal_fn.initGauge = function () { + var arcs = this.arcs; + if (this.hasType('gauge')) { + arcs.append('path') + .attr("class", CLASS.chartArcsBackground); + arcs.append("text") + .attr("class", CLASS.chartArcsGaugeUnit) + .style("text-anchor", "middle") + .style("pointer-events", "none"); + arcs.append("text") + .attr("class", CLASS.chartArcsGaugeMin) + .style("text-anchor", "middle") + .style("pointer-events", "none"); + arcs.append("text") + .attr("class", CLASS.chartArcsGaugeMax) + .style("text-anchor", "middle") + .style("pointer-events", "none"); + } + }; + c3_chart_internal_fn.getGaugeLabelHeight = function () { + return this.config.gauge_label_show ? 20 : 0; + }; + + c3_chart_internal_fn.initRegion = function () { + var $$ = this; + $$.region = $$.main.append('g') + .attr("clip-path", $$.clipPath) + .attr("class", CLASS.regions); + }; + c3_chart_internal_fn.updateRegion = function (duration) { + var $$ = this, config = $$.config; + + // hide if arc type + $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible'); + + $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region) + .data(config.regions); + $$.mainRegion.enter().append('g') + .attr('class', $$.classRegion.bind($$)) + .append('rect') + .style("fill-opacity", 0); + $$.mainRegion.exit().transition().duration(duration) + .style("opacity", 0) + .remove(); + }; + c3_chart_internal_fn.redrawRegion = function (withTransition) { + var $$ = this, + regions = $$.mainRegion.selectAll('rect'), + x = $$.regionX.bind($$), + y = $$.regionY.bind($$), + w = $$.regionWidth.bind($$), + h = $$.regionHeight.bind($$); + return [ + (withTransition ? regions.transition() : regions) + .attr("x", x) + .attr("y", y) + .attr("width", w) + .attr("height", h) + .style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; }) + ]; + }; + c3_chart_internal_fn.regionX = function (d) { + var $$ = this, config = $$.config, + xPos, yScale = d.axis === 'y' ? $$.y : $$.y2; + if (d.axis === 'y' || d.axis === 'y2') { + xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0; + } else { + xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0); + } + return xPos; + }; + c3_chart_internal_fn.regionY = function (d) { + var $$ = this, config = $$.config, + yPos, yScale = d.axis === 'y' ? $$.y : $$.y2; + if (d.axis === 'y' || d.axis === 'y2') { + yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0); + } else { + yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0; + } + return yPos; + }; + c3_chart_internal_fn.regionWidth = function (d) { + var $$ = this, config = $$.config, + start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2; + if (d.axis === 'y' || d.axis === 'y2') { + end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width; + } else { + end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width); + } + return end < start ? 0 : end - start; + }; + c3_chart_internal_fn.regionHeight = function (d) { + var $$ = this, config = $$.config, + start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2; + if (d.axis === 'y' || d.axis === 'y2') { + end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height); + } else { + end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height; + } + return end < start ? 0 : end - start; + }; + c3_chart_internal_fn.isRegionOnX = function (d) { + return !d.axis || d.axis === 'x'; + }; + + c3_chart_internal_fn.drag = function (mouse) { + var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3; + var sx, sy, mx, my, minX, maxX, minY, maxY; + + if ($$.hasArcType()) { return; } + if (! config.data_selection_enabled) { return; } // do nothing if not selectable + if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior + if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection + + sx = $$.dragStart[0]; + sy = $$.dragStart[1]; + mx = mouse[0]; + my = mouse[1]; + minX = Math.min(sx, mx); + maxX = Math.max(sx, mx); + minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my); + maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my); + + main.select('.' + CLASS.dragarea) + .attr('x', minX) + .attr('y', minY) + .attr('width', maxX - minX) + .attr('height', maxY - minY); + // TODO: binary search when multiple xs + main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape) + .filter(function (d) { return config.data_selection_isselectable(d); }) + .each(function (d, i) { + var shape = d3.select(this), + isSelected = shape.classed(CLASS.SELECTED), + isIncluded = shape.classed(CLASS.INCLUDED), + _x, _y, _w, _h, toggle, isWithin = false, box; + if (shape.classed(CLASS.circle)) { + _x = shape.attr("cx") * 1; + _y = shape.attr("cy") * 1; + toggle = $$.togglePoint; + isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY; + } + else if (shape.classed(CLASS.bar)) { + box = getPathBox(this); + _x = box.x; + _y = box.y; + _w = box.width; + _h = box.height; + toggle = $$.togglePath; + isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY); + } else { + // line/area selection not supported yet + return; + } + if (isWithin ^ isIncluded) { + shape.classed(CLASS.INCLUDED, !isIncluded); + // TODO: included/unincluded callback here + shape.classed(CLASS.SELECTED, !isSelected); + toggle.call($$, !isSelected, shape, d, i); + } + }); + }; + + c3_chart_internal_fn.dragstart = function (mouse) { + var $$ = this, config = $$.config; + if ($$.hasArcType()) { return; } + if (! config.data_selection_enabled) { return; } // do nothing if not selectable + $$.dragStart = mouse; + $$.main.select('.' + CLASS.chart).append('rect') + .attr('class', CLASS.dragarea) + .style('opacity', 0.1); + $$.dragging = true; + }; + + c3_chart_internal_fn.dragend = function () { + var $$ = this, config = $$.config; + if ($$.hasArcType()) { return; } + if (! config.data_selection_enabled) { return; } // do nothing if not selectable + $$.main.select('.' + CLASS.dragarea) + .transition().duration(100) + .style('opacity', 0) + .remove(); + $$.main.selectAll('.' + CLASS.shape) + .classed(CLASS.INCLUDED, false); + $$.dragging = false; + }; + + c3_chart_internal_fn.selectPoint = function (target, d, i) { + var $$ = this, config = $$.config, + cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$), + cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$), + r = $$.pointSelectR.bind($$); + config.data_onselected.call($$.api, d, target.node()); + // add selected-circle on low layer g + $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i) + .data([d]) + .enter().append('circle') + .attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); }) + .attr("cx", cx) + .attr("cy", cy) + .attr("stroke", function () { return $$.color(d); }) + .attr("r", function (d) { return $$.pointSelectR(d) * 1.4; }) + .transition().duration(100) + .attr("r", r); + }; + c3_chart_internal_fn.unselectPoint = function (target, d, i) { + var $$ = this; + $$.config.data_onunselected(d, target.node()); + // remove selected-circle from low layer g + $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i) + .transition().duration(100).attr('r', 0) + .remove(); + }; + c3_chart_internal_fn.togglePoint = function (selected, target, d, i) { + selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i); + }; + c3_chart_internal_fn.selectPath = function (target, d) { + var $$ = this; + $$.config.data_onselected.call($$, d, target.node()); + target.transition().duration(100) + .style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); }); + }; + c3_chart_internal_fn.unselectPath = function (target, d) { + var $$ = this; + $$.config.data_onunselected.call($$, d, target.node()); + target.transition().duration(100) + .style("fill", function () { return $$.color(d); }); + }; + c3_chart_internal_fn.togglePath = function (selected, target, d, i) { + selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i); + }; + c3_chart_internal_fn.getToggle = function (that, d) { + var $$ = this, toggle; + if (that.nodeName === 'circle') { + if ($$.isStepType(d)) { + // circle is hidden in step chart, so treat as within the click area + toggle = function () {}; // TODO: how to select step chart? + } else { + toggle = $$.togglePoint; + } + } + else if (that.nodeName === 'path') { + toggle = $$.togglePath; + } + return toggle; + }; + c3_chart_internal_fn.toggleShape = function (that, d, i) { + var $$ = this, d3 = $$.d3, config = $$.config, + shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED), + toggle = $$.getToggle(that, d).bind($$); + + if (config.data_selection_enabled && config.data_selection_isselectable(d)) { + if (!config.data_selection_multiple) { + $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) { + var shape = d3.select(this); + if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } + }); + } + shape.classed(CLASS.SELECTED, !isSelected); + toggle(!isSelected, shape, d, i); + } + }; + + c3_chart_internal_fn.initBrush = function () { + var $$ = this, d3 = $$.d3; + $$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); }); + $$.brush.update = function () { + if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); } + return this; + }; + $$.brush.scale = function (scale) { + return $$.config.axis_rotated ? this.y(scale) : this.x(scale); + }; + }; + c3_chart_internal_fn.initSubchart = function () { + var $$ = this, config = $$.config, + context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')); + + context.style('visibility', config.subchart_show ? 'visible' : 'hidden'); + + // Define g for chart area + context.append('g') + .attr("clip-path", $$.clipPathForSubchart) + .attr('class', CLASS.chart); + + // Define g for bar chart area + context.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.chartBars); + + // Define g for line chart area + context.select('.' + CLASS.chart).append("g") + .attr("class", CLASS.chartLines); + + // Add extent rect for Brush + context.append("g") + .attr("clip-path", $$.clipPath) + .attr("class", CLASS.brush) + .call($$.brush); + + // ATTENTION: This must be called AFTER chart added + // Add Axis + $$.axes.subx = context.append("g") + .attr("class", CLASS.axisX) + .attr("transform", $$.getTranslate('subx')) + .attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis); + }; + c3_chart_internal_fn.updateTargetsForSubchart = function (targets) { + var $$ = this, context = $$.context, config = $$.config, + contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate, + classChartBar = $$.classChartBar.bind($$), + classBars = $$.classBars.bind($$), + classChartLine = $$.classChartLine.bind($$), + classLines = $$.classLines.bind($$), + classAreas = $$.classAreas.bind($$); + + if (config.subchart_show) { + //-- Bar --// + contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar) + .data(targets) + .attr('class', classChartBar); + contextBarEnter = contextBarUpdate.enter().append('g') + .style('opacity', 0) + .attr('class', classChartBar); + // Bars for each data + contextBarEnter.append('g') + .attr("class", classBars); + + //-- Line --// + contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine) + .data(targets) + .attr('class', classChartLine); + contextLineEnter = contextLineUpdate.enter().append('g') + .style('opacity', 0) + .attr('class', classChartLine); + // Lines for each data + contextLineEnter.append("g") + .attr("class", classLines); + // Area + contextLineEnter.append("g") + .attr("class", classAreas); + + //-- Brush --// + context.selectAll('.' + CLASS.brush + ' rect') + .attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2); + } + }; + c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) { + var $$ = this; + $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar) + .data($$.barData.bind($$)); + $$.contextBar.enter().append('path') + .attr("class", $$.classBar.bind($$)) + .style("stroke", 'none') + .style("fill", $$.color); + $$.contextBar + .style("opacity", $$.initialOpacity.bind($$)); + $$.contextBar.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) { + (withTransition ? this.contextBar.transition().duration(duration) : this.contextBar) + .attr('d', drawBarOnSub) + .style('opacity', 1); + }; + c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) { + var $$ = this; + $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line) + .data($$.lineData.bind($$)); + $$.contextLine.enter().append('path') + .attr('class', $$.classLine.bind($$)) + .style('stroke', $$.color); + $$.contextLine + .style("opacity", $$.initialOpacity.bind($$)); + $$.contextLine.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) { + (withTransition ? this.contextLine.transition().duration(duration) : this.contextLine) + .attr("d", drawLineOnSub) + .style('opacity', 1); + }; + c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) { + var $$ = this, d3 = $$.d3; + $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area) + .data($$.lineData.bind($$)); + $$.contextArea.enter().append('path') + .attr("class", $$.classArea.bind($$)) + .style("fill", $$.color) + .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; }); + $$.contextArea + .style("opacity", 0); + $$.contextArea.exit().transition().duration(durationForExit) + .style('opacity', 0) + .remove(); + }; + c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) { + (withTransition ? this.contextArea.transition().duration(duration) : this.contextArea) + .attr("d", drawAreaOnSub) + .style("fill", this.color) + .style("opacity", this.orgAreaOpacity); + }; + c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) { + var $$ = this, d3 = $$.d3, config = $$.config, + drawAreaOnSub, drawBarOnSub, drawLineOnSub; + + $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden'); + + // subchart + if (config.subchart_show) { + // reflect main chart to extent on subchart if zoomed + if (d3.event && d3.event.type === 'zoom') { + $$.brush.extent($$.x.orgDomain()).update(); + } + // update subchart elements if needed + if (withSubchart) { + + // extent rect + if (!$$.brush.empty()) { + $$.brush.extent($$.x.orgDomain()).update(); + } + // setup drawer - MEMO: this must be called after axis updated + drawAreaOnSub = $$.generateDrawArea(areaIndices, true); + drawBarOnSub = $$.generateDrawBar(barIndices, true); + drawLineOnSub = $$.generateDrawLine(lineIndices, true); + + $$.updateBarForSubchart(duration); + $$.updateLineForSubchart(duration); + $$.updateAreaForSubchart(duration); + + $$.redrawBarForSubchart(drawBarOnSub, duration, duration); + $$.redrawLineForSubchart(drawLineOnSub, duration, duration); + $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration); + } + } + }; + c3_chart_internal_fn.redrawForBrush = function () { + var $$ = this, x = $$.x; + $$.redraw({ + withTransition: false, + withY: $$.config.zoom_rescale, + withSubchart: false, + withUpdateXDomain: true, + withDimension: false + }); + $$.config.subchart_onbrush.call($$.api, x.orgDomain()); + }; + c3_chart_internal_fn.transformContext = function (withTransition, transitions) { + var $$ = this, subXAxis; + if (transitions && transitions.axisSubX) { + subXAxis = transitions.axisSubX; + } else { + subXAxis = $$.context.select('.' + CLASS.axisX); + if (withTransition) { subXAxis = subXAxis.transition(); } + } + $$.context.attr("transform", $$.getTranslate('context')); + subXAxis.attr("transform", $$.getTranslate('subx')); + }; + c3_chart_internal_fn.getDefaultExtent = function () { + var $$ = this, config = $$.config, + extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent; + if ($$.isTimeSeries()) { + extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])]; + } + return extent; + }; + + c3_chart_internal_fn.initZoom = function () { + var $$ = this, d3 = $$.d3, config = $$.config, startEvent; + + $$.zoom = d3.behavior.zoom() + .on("zoomstart", function () { + startEvent = d3.event.sourceEvent; + $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null; + config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent); + }) + .on("zoom", function () { + $$.redrawForZoom.call($$); + }) + .on('zoomend', function () { + var event = d3.event.sourceEvent; + // if click, do nothing. otherwise, click interaction will be canceled. + if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) { + return; + } + $$.redrawEventRect(); + $$.updateZoom(); + config.zoom_onzoomend.call($$.api, $$.x.orgDomain()); + }); + $$.zoom.scale = function (scale) { + return config.axis_rotated ? this.y(scale) : this.x(scale); + }; + $$.zoom.orgScaleExtent = function () { + var extent = config.zoom_extent ? config.zoom_extent : [1, 10]; + return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])]; + }; + $$.zoom.updateScaleExtent = function () { + var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.orgXDomain), + extent = this.orgScaleExtent(); + this.scaleExtent([extent[0] * ratio, extent[1] * ratio]); + return this; + }; + }; + c3_chart_internal_fn.updateZoom = function () { + var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {}; + $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null); + $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null); + }; + c3_chart_internal_fn.redrawForZoom = function () { + var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x; + if (!config.zoom_enabled) { + return; + } + if ($$.filterTargetsToShow($$.data.targets).length === 0) { + return; + } + if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) { + x.domain(zoom.altDomain); + zoom.scale(x).updateScaleExtent(); + return; + } + if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) { + x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]); + } + $$.redraw({ + withTransition: false, + withY: config.zoom_rescale, + withSubchart: false, + withEventRect: false, + withDimension: false + }); + if (d3.event.sourceEvent.type === 'mousemove') { + $$.cancelClick = true; + } + config.zoom_onzoom.call($$.api, x.orgDomain()); + }; + + c3_chart_internal_fn.generateColor = function () { + var $$ = this, config = $$.config, d3 = $$.d3, + colors = config.data_colors, + pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(), + callback = config.data_color, + ids = []; + + return function (d) { + var id = d.id || (d.data && d.data.id) || d, color; + + // if callback function is provided + if (colors[id] instanceof Function) { + color = colors[id](d); + } + // if specified, choose that color + else if (colors[id]) { + color = colors[id]; + } + // if not specified, choose from pattern + else { + if (ids.indexOf(id) < 0) { ids.push(id); } + color = pattern[ids.indexOf(id) % pattern.length]; + colors[id] = color; + } + return callback instanceof Function ? callback(color, d) : color; + }; + }; + c3_chart_internal_fn.generateLevelColor = function () { + var $$ = this, config = $$.config, + colors = config.color_pattern, + threshold = config.color_threshold, + asValue = threshold.unit === 'value', + values = threshold.values && threshold.values.length ? threshold.values : [], + max = threshold.max || 100; + return notEmpty(config.color_threshold) ? function (value) { + var i, v, color = colors[colors.length - 1]; + for (i = 0; i < values.length; i++) { + v = asValue ? value : (value * 100 / max); + if (v < values[i]) { + color = colors[i]; + break; + } + } + return color; + } : null; + }; + + c3_chart_internal_fn.getYFormat = function (forArc) { + var $$ = this, + formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat, + formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format; + return function (v, ratio, id) { + var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY; + return format.call($$, v, ratio); + }; + }; + c3_chart_internal_fn.yFormat = function (v) { + var $$ = this, config = $$.config, + format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat; + return format(v); + }; + c3_chart_internal_fn.y2Format = function (v) { + var $$ = this, config = $$.config, + format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat; + return format(v); + }; + c3_chart_internal_fn.defaultValueFormat = function (v) { + return isValue(v) ? +v : ""; + }; + c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) { + return (ratio * 100).toFixed(1) + '%'; + }; + c3_chart_internal_fn.dataLabelFormat = function (targetId) { + var $$ = this, data_labels = $$.config.data_labels, + format, defaultFormat = function (v) { return isValue(v) ? +v : ""; }; + // find format according to axis id + if (typeof data_labels.format === 'function') { + format = data_labels.format; + } else if (typeof data_labels.format === 'object') { + if (data_labels.format[targetId]) { + format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId]; + } else { + format = function () { return ''; }; + } + } else { + format = defaultFormat; + } + return format; + }; + + c3_chart_internal_fn.hasCaches = function (ids) { + for (var i = 0; i < ids.length; i++) { + if (! (ids[i] in this.cache)) { return false; } + } + return true; + }; + c3_chart_internal_fn.addCache = function (id, target) { + this.cache[id] = this.cloneTarget(target); + }; + c3_chart_internal_fn.getCaches = function (ids) { + var targets = [], i; + for (i = 0; i < ids.length; i++) { + if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); } + } + return targets; + }; + + var CLASS = c3_chart_internal_fn.CLASS = { + target: 'c3-target', + chart: 'c3-chart', + chartLine: 'c3-chart-line', + chartLines: 'c3-chart-lines', + chartBar: 'c3-chart-bar', + chartBars: 'c3-chart-bars', + chartText: 'c3-chart-text', + chartTexts: 'c3-chart-texts', + chartArc: 'c3-chart-arc', + chartArcs: 'c3-chart-arcs', + chartArcsTitle: 'c3-chart-arcs-title', + chartArcsBackground: 'c3-chart-arcs-background', + chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit', + chartArcsGaugeMax: 'c3-chart-arcs-gauge-max', + chartArcsGaugeMin: 'c3-chart-arcs-gauge-min', + selectedCircle: 'c3-selected-circle', + selectedCircles: 'c3-selected-circles', + eventRect: 'c3-event-rect', + eventRects: 'c3-event-rects', + eventRectsSingle: 'c3-event-rects-single', + eventRectsMultiple: 'c3-event-rects-multiple', + zoomRect: 'c3-zoom-rect', + brush: 'c3-brush', + focused: 'c3-focused', + defocused: 'c3-defocused', + region: 'c3-region', + regions: 'c3-regions', + tooltipContainer: 'c3-tooltip-container', + tooltip: 'c3-tooltip', + tooltipName: 'c3-tooltip-name', + shape: 'c3-shape', + shapes: 'c3-shapes', + line: 'c3-line', + lines: 'c3-lines', + bar: 'c3-bar', + bars: 'c3-bars', + circle: 'c3-circle', + circles: 'c3-circles', + arc: 'c3-arc', + arcs: 'c3-arcs', + area: 'c3-area', + areas: 'c3-areas', + empty: 'c3-empty', + text: 'c3-text', + texts: 'c3-texts', + gaugeValue: 'c3-gauge-value', + grid: 'c3-grid', + gridLines: 'c3-grid-lines', + xgrid: 'c3-xgrid', + xgrids: 'c3-xgrids', + xgridLine: 'c3-xgrid-line', + xgridLines: 'c3-xgrid-lines', + xgridFocus: 'c3-xgrid-focus', + ygrid: 'c3-ygrid', + ygrids: 'c3-ygrids', + ygridLine: 'c3-ygrid-line', + ygridLines: 'c3-ygrid-lines', + axis: 'c3-axis', + axisX: 'c3-axis-x', + axisXLabel: 'c3-axis-x-label', + axisY: 'c3-axis-y', + axisYLabel: 'c3-axis-y-label', + axisY2: 'c3-axis-y2', + axisY2Label: 'c3-axis-y2-label', + legendBackground: 'c3-legend-background', + legendItem: 'c3-legend-item', + legendItemEvent: 'c3-legend-item-event', + legendItemTile: 'c3-legend-item-tile', + legendItemHidden: 'c3-legend-item-hidden', + legendItemFocused: 'c3-legend-item-focused', + dragarea: 'c3-dragarea', + EXPANDED: '_expanded_', + SELECTED: '_selected_', + INCLUDED: '_included_' + }; + c3_chart_internal_fn.generateClass = function (prefix, targetId) { + return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId); + }; + c3_chart_internal_fn.classText = function (d) { + return this.generateClass(CLASS.text, d.index); + }; + c3_chart_internal_fn.classTexts = function (d) { + return this.generateClass(CLASS.texts, d.id); + }; + c3_chart_internal_fn.classShape = function (d) { + return this.generateClass(CLASS.shape, d.index); + }; + c3_chart_internal_fn.classShapes = function (d) { + return this.generateClass(CLASS.shapes, d.id); + }; + c3_chart_internal_fn.classLine = function (d) { + return this.classShape(d) + this.generateClass(CLASS.line, d.id); + }; + c3_chart_internal_fn.classLines = function (d) { + return this.classShapes(d) + this.generateClass(CLASS.lines, d.id); + }; + c3_chart_internal_fn.classCircle = function (d) { + return this.classShape(d) + this.generateClass(CLASS.circle, d.index); + }; + c3_chart_internal_fn.classCircles = function (d) { + return this.classShapes(d) + this.generateClass(CLASS.circles, d.id); + }; + c3_chart_internal_fn.classBar = function (d) { + return this.classShape(d) + this.generateClass(CLASS.bar, d.index); + }; + c3_chart_internal_fn.classBars = function (d) { + return this.classShapes(d) + this.generateClass(CLASS.bars, d.id); + }; + c3_chart_internal_fn.classArc = function (d) { + return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id); + }; + c3_chart_internal_fn.classArcs = function (d) { + return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id); + }; + c3_chart_internal_fn.classArea = function (d) { + return this.classShape(d) + this.generateClass(CLASS.area, d.id); + }; + c3_chart_internal_fn.classAreas = function (d) { + return this.classShapes(d) + this.generateClass(CLASS.areas, d.id); + }; + c3_chart_internal_fn.classRegion = function (d, i) { + return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : ''); + }; + c3_chart_internal_fn.classEvent = function (d) { + return this.generateClass(CLASS.eventRect, d.index); + }; + c3_chart_internal_fn.classTarget = function (id) { + var $$ = this; + var additionalClassSuffix = $$.config.data_classes[id], additionalClass = ''; + if (additionalClassSuffix) { + additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix; + } + return $$.generateClass(CLASS.target, id) + additionalClass; + }; + c3_chart_internal_fn.classFocus = function (d) { + return this.classFocused(d) + this.classDefocused(d); + }; + c3_chart_internal_fn.classFocused = function (d) { + return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : ''); + }; + c3_chart_internal_fn.classDefocused = function (d) { + return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : ''); + }; + c3_chart_internal_fn.classChartText = function (d) { + return CLASS.chartText + this.classTarget(d.id); + }; + c3_chart_internal_fn.classChartLine = function (d) { + return CLASS.chartLine + this.classTarget(d.id); + }; + c3_chart_internal_fn.classChartBar = function (d) { + return CLASS.chartBar + this.classTarget(d.id); + }; + c3_chart_internal_fn.classChartArc = function (d) { + return CLASS.chartArc + this.classTarget(d.data.id); + }; + c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) { + return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : ''; + }; + c3_chart_internal_fn.selectorTarget = function (id, prefix) { + return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id); + }; + c3_chart_internal_fn.selectorTargets = function (ids, prefix) { + var $$ = this; + ids = ids || []; + return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null; + }; + c3_chart_internal_fn.selectorLegend = function (id) { + return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id); + }; + c3_chart_internal_fn.selectorLegends = function (ids) { + var $$ = this; + return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null; + }; + + var isValue = c3_chart_internal_fn.isValue = function (v) { + return v || v === 0; + }, + isFunction = c3_chart_internal_fn.isFunction = function (o) { + return typeof o === 'function'; + }, + isString = c3_chart_internal_fn.isString = function (o) { + return typeof o === 'string'; + }, + isUndefined = c3_chart_internal_fn.isUndefined = function (v) { + return typeof v === 'undefined'; + }, + isDefined = c3_chart_internal_fn.isDefined = function (v) { + return typeof v !== 'undefined'; + }, + ceil10 = c3_chart_internal_fn.ceil10 = function (v) { + return Math.ceil(v / 10) * 10; + }, + asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) { + return Math.ceil(n) + 0.5; + }, + diffDomain = c3_chart_internal_fn.diffDomain = function (d) { + return d[1] - d[0]; + }, + isEmpty = c3_chart_internal_fn.isEmpty = function (o) { + return !o || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0); + }, + notEmpty = c3_chart_internal_fn.notEmpty = function (o) { + return Object.keys(o).length > 0; + }, + getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) { + return isDefined(options[key]) ? options[key] : defaultValue; + }, + hasValue = c3_chart_internal_fn.hasValue = function (dict, value) { + var found = false; + Object.keys(dict).forEach(function (key) { + if (dict[key] === value) { found = true; } + }); + return found; + }, + getPathBox = c3_chart_internal_fn.getPathBox = function (path) { + var box = path.getBoundingClientRect(), + items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)], + minX = items[0].x, minY = Math.min(items[0].y, items[1].y); + return {x: minX, y: minY, width: box.width, height: box.height}; + }; + + c3_chart_fn.focus = function (targetIds) { + var $$ = this.internal, candidates; + + targetIds = $$.mapToTargetIds(targetIds); + candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), + + this.revert(); + this.defocus(); + candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false); + if ($$.hasArcType()) { + $$.expandArc(targetIds); + } + $$.toggleFocusLegend(targetIds, true); + + $$.focusedTargetIds = targetIds; + $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) { + return targetIds.indexOf(id) < 0; + }); + }; + + c3_chart_fn.defocus = function (targetIds) { + var $$ = this.internal, candidates; + + targetIds = $$.mapToTargetIds(targetIds); + candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), + + candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true); + if ($$.hasArcType()) { + $$.unexpandArc(targetIds); + } + $$.toggleFocusLegend(targetIds, false); + + $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) { + return targetIds.indexOf(id) < 0; + }); + $$.defocusedTargetIds = targetIds; + }; + + c3_chart_fn.revert = function (targetIds) { + var $$ = this.internal, candidates; + + targetIds = $$.mapToTargetIds(targetIds); + candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets + + candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false); + if ($$.hasArcType()) { + $$.unexpandArc(targetIds); + } + if ($$.config.legend_show) { + $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$))); + $$.legend.selectAll($$.selectorLegends(targetIds)) + .filter(function () { + return $$.d3.select(this).classed(CLASS.legendItemFocused); + }) + .classed(CLASS.legendItemFocused, false); + } + + $$.focusedTargetIds = []; + $$.defocusedTargetIds = []; + }; + + c3_chart_fn.show = function (targetIds, options) { + var $$ = this.internal, targets; + + targetIds = $$.mapToTargetIds(targetIds); + options = options || {}; + + $$.removeHiddenTargetIds(targetIds); + targets = $$.svg.selectAll($$.selectorTargets(targetIds)); + + targets.transition() + .style('opacity', 1, 'important') + .call($$.endall, function () { + targets.style('opacity', null).style('opacity', 1); + }); + + if (options.withLegend) { + $$.showLegend(targetIds); + } + + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); + }; + + c3_chart_fn.hide = function (targetIds, options) { + var $$ = this.internal, targets; + + targetIds = $$.mapToTargetIds(targetIds); + options = options || {}; + + $$.addHiddenTargetIds(targetIds); + targets = $$.svg.selectAll($$.selectorTargets(targetIds)); + + targets.transition() + .style('opacity', 0, 'important') + .call($$.endall, function () { + targets.style('opacity', null).style('opacity', 0); + }); + + if (options.withLegend) { + $$.hideLegend(targetIds); + } + + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); + }; + + c3_chart_fn.toggle = function (targetIds, options) { + var that = this, $$ = this.internal; + $$.mapToTargetIds(targetIds).forEach(function (targetId) { + $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options); + }); + }; + + c3_chart_fn.zoom = function (domain) { + var $$ = this.internal; + if (domain) { + if ($$.isTimeSeries()) { + domain = domain.map(function (x) { return $$.parseDate(x); }); + } + $$.brush.extent(domain); + $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale}); + $$.config.zoom_onzoom.call(this, $$.x.orgDomain()); + } + return $$.brush.extent(); + }; + c3_chart_fn.zoom.enable = function (enabled) { + var $$ = this.internal; + $$.config.zoom_enabled = enabled; + $$.updateAndRedraw(); + }; + c3_chart_fn.unzoom = function () { + var $$ = this.internal; + $$.brush.clear().update(); + $$.redraw({withUpdateXDomain: true}); + }; + + c3_chart_fn.load = function (args) { + var $$ = this.internal, config = $$.config; + // update xs if specified + if (args.xs) { + $$.addXs(args.xs); + } + // update classes if exists + if ('classes' in args) { + Object.keys(args.classes).forEach(function (id) { + config.data_classes[id] = args.classes[id]; + }); + } + // update categories if exists + if ('categories' in args && $$.isCategorized()) { + config.axis_x_categories = args.categories; + } + // update axes if exists + if ('axes' in args) { + Object.keys(args.axes).forEach(function (id) { + config.data_axes[id] = args.axes[id]; + }); + } + // update colors if exists + if ('colors' in args) { + Object.keys(args.colors).forEach(function (id) { + config.data_colors[id] = args.colors[id]; + }); + } + // use cache if exists + if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) { + $$.load($$.getCaches(args.cacheIds), args.done); + return; + } + // unload if needed + if ('unload' in args) { + // TODO: do not unload if target will load (included in url/rows/columns) + $$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () { + $$.loadFromArgs(args); + }); + } else { + $$.loadFromArgs(args); + } + }; + + c3_chart_fn.unload = function (args) { + var $$ = this.internal; + args = args || {}; + if (args instanceof Array) { + args = {ids: args}; + } else if (typeof args === 'string') { + args = {ids: [args]}; + } + $$.unload($$.mapToTargetIds(args.ids), function () { + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); + if (args.done) { args.done(); } + }); + }; + + c3_chart_fn.flow = function (args) { + var $$ = this.internal, + targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(), + dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to; + + if (args.json) { + data = $$.convertJsonToData(args.json, args.keys); + } + else if (args.rows) { + data = $$.convertRowsToData(args.rows); + } + else if (args.columns) { + data = $$.convertColumnsToData(args.columns); + } + else { + return; + } + targets = $$.convertDataToTargets(data, true); + + // Update/Add data + $$.data.targets.forEach(function (t) { + var found = false, i, j; + for (i = 0; i < targets.length; i++) { + if (t.id === targets[i].id) { + found = true; + + if (t.values[t.values.length - 1]) { + tail = t.values[t.values.length - 1].index + 1; + } + length = targets[i].values.length; + + for (j = 0; j < length; j++) { + targets[i].values[j].index = tail + j; + if (!$$.isTimeSeries()) { + targets[i].values[j].x = tail + j; + } + } + t.values = t.values.concat(targets[i].values); + + targets.splice(i, 1); + break; + } + } + if (!found) { notfoundIds.push(t.id); } + }); + + // Append null for not found targets + $$.data.targets.forEach(function (t) { + var i, j; + for (i = 0; i < notfoundIds.length; i++) { + if (t.id === notfoundIds[i]) { + tail = t.values[t.values.length - 1].index + 1; + for (j = 0; j < length; j++) { + t.values.push({ + id: t.id, + index: tail + j, + x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j, + value: null + }); + } + } + } + }); + + // Generate null values for new target + if ($$.data.targets.length) { + targets.forEach(function (t) { + var i, missing = []; + for (i = $$.data.targets[0].values[0].index; i < tail; i++) { + missing.push({ + id: t.id, + index: i, + x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i, + value: null + }); + } + t.values.forEach(function (v) { + v.index += tail; + if (!$$.isTimeSeries()) { + v.x += tail; + } + }); + t.values = missing.concat(t.values); + }); + } + $$.data.targets = $$.data.targets.concat(targets); // add remained + + // check data count because behavior needs to change when it's only one + dataCount = $$.getMaxDataCount(); + baseTarget = $$.data.targets[0]; + baseValue = baseTarget.values[0]; + + // Update length to flow if needed + if (isDefined(args.to)) { + length = 0; + to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to; + baseTarget.values.forEach(function (v) { + if (v.x < to) { length++; } + }); + } else if (isDefined(args.length)) { + length = args.length; + } + + // If only one data, update the domain to flow from left edge of the chart + if (!orgDataCount) { + if ($$.isTimeSeries()) { + if (baseTarget.values.length > 1) { + diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x; + } else { + diff = baseValue.x - $$.getXDomain($$.data.targets)[0]; + } + } else { + diff = 1; + } + domain = [baseValue.x - diff, baseValue.x]; + $$.updateXDomain(null, true, true, false, domain); + } else if (orgDataCount === 1) { + if ($$.isTimeSeries()) { + diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2; + domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)]; + $$.updateXDomain(null, true, true, false, domain); + } + } + + // Set targets + $$.updateTargets($$.data.targets); + + // Redraw with new targets + $$.redraw({ + flow: { + index: baseValue.index, + length: length, + duration: isValue(args.duration) ? args.duration : $$.config.transition_duration, + done: args.done, + orgDataCount: orgDataCount, + }, + withLegend: true, + withTransition: orgDataCount > 1, + withTrimXDomain: false, + withUpdateXAxis: true, + }); + }; + + c3_chart_internal_fn.generateFlow = function (args) { + var $$ = this, config = $$.config, d3 = $$.d3; + + return function () { + var targets = args.targets, + flow = args.flow, + drawBar = args.drawBar, + drawLine = args.drawLine, + drawArea = args.drawArea, + cx = args.cx, + cy = args.cy, + xv = args.xv, + xForText = args.xForText, + yForText = args.yForText, + duration = args.duration; + + var translateX, scaleX = 1, transform, + flowIndex = flow.index, + flowLength = flow.length, + flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex), + flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength), + orgDomain = $$.x.domain(), domain, + durationForFlow = flow.duration || duration, + done = flow.done || function () {}, + wait = $$.generateWait(); + + var xgrid = $$.xgrid || d3.selectAll([]), + xgridLines = $$.xgridLines || d3.selectAll([]), + mainRegion = $$.mainRegion || d3.selectAll([]), + mainText = $$.mainText || d3.selectAll([]), + mainBar = $$.mainBar || d3.selectAll([]), + mainLine = $$.mainLine || d3.selectAll([]), + mainArea = $$.mainArea || d3.selectAll([]), + mainCircle = $$.mainCircle || d3.selectAll([]); + + // set flag + $$.flowing = true; + + // remove head data after rendered + $$.data.targets.forEach(function (d) { + d.values.splice(0, flowLength); + }); + + // update x domain to generate axis elements for flow + domain = $$.updateXDomain(targets, true, true); + // update elements related to x scale + if ($$.updateXGrid) { $$.updateXGrid(true); } + + // generate transform to flow + if (!flow.orgDataCount) { // if empty + if ($$.data.targets[0].values.length !== 1) { + translateX = $$.x(orgDomain[0]) - $$.x(domain[0]); + } else { + if ($$.isTimeSeries()) { + flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0); + flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1); + translateX = $$.x(flowStart.x) - $$.x(flowEnd.x); + } else { + translateX = diffDomain(domain) / 2; + } + } + } else if (flow.orgDataCount === 1 || flowStart.x === flowEnd.x) { + translateX = $$.x(orgDomain[0]) - $$.x(domain[0]); + } else { + if ($$.isTimeSeries()) { + translateX = ($$.x(orgDomain[0]) - $$.x(domain[0])); + } else { + translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x)); + } + } + scaleX = (diffDomain(orgDomain) / diffDomain(domain)); + transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)'; + + // hide tooltip + $$.hideXGridFocus(); + $$.hideTooltip(); + + d3.transition().ease('linear').duration(durationForFlow).each(function () { + wait.add($$.axes.x.transition().call($$.xAxis)); + wait.add(mainBar.transition().attr('transform', transform)); + wait.add(mainLine.transition().attr('transform', transform)); + wait.add(mainArea.transition().attr('transform', transform)); + wait.add(mainCircle.transition().attr('transform', transform)); + wait.add(mainText.transition().attr('transform', transform)); + wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform)); + wait.add(xgrid.transition().attr('transform', transform)); + wait.add(xgridLines.transition().attr('transform', transform)); + }) + .call(wait, function () { + var i, shapes = [], texts = [], eventRects = []; + + // remove flowed elements + if (flowLength) { + for (i = 0; i < flowLength; i++) { + shapes.push('.' + CLASS.shape + '-' + (flowIndex + i)); + texts.push('.' + CLASS.text + '-' + (flowIndex + i)); + eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i)); + } + $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove(); + $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove(); + $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove(); + $$.svg.select('.' + CLASS.xgrid).remove(); + } + + // draw again for removing flowed elements and reverting attr + xgrid + .attr('transform', null) + .attr($$.xgridAttr); + xgridLines + .attr('transform', null); + xgridLines.select('line') + .attr("x1", config.axis_rotated ? 0 : xv) + .attr("x2", config.axis_rotated ? $$.width : xv); + xgridLines.select('text') + .attr("x", config.axis_rotated ? $$.width : 0) + .attr("y", xv); + mainBar + .attr('transform', null) + .attr("d", drawBar); + mainLine + .attr('transform', null) + .attr("d", drawLine); + mainArea + .attr('transform', null) + .attr("d", drawArea); + mainCircle + .attr('transform', null) + .attr("cx", cx) + .attr("cy", cy); + mainText + .attr('transform', null) + .attr('x', xForText) + .attr('y', yForText) + .style('fill-opacity', $$.opacityForText.bind($$)); + mainRegion + .attr('transform', null); + mainRegion.select('rect').filter($$.isRegionOnX) + .attr("x", $$.regionX.bind($$)) + .attr("width", $$.regionWidth.bind($$)); + + if (config.interaction_enabled) { + $$.redrawEventRect(); + } + + // callback for end of flow + done(); + + $$.flowing = false; + }); + }; + }; + + c3_chart_fn.selected = function (targetId) { + var $$ = this.internal, d3 = $$.d3; + return d3.merge( + $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape) + .filter(function () { return d3.select(this).classed(CLASS.SELECTED); }) + .map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); }) + ); + }; + c3_chart_fn.select = function (ids, indices, resetOther) { + var $$ = this.internal, d3 = $$.d3, config = $$.config; + if (! config.data_selection_enabled) { return; } + $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) { + var shape = d3.select(this), id = d.data ? d.data.id : d.id, + toggle = $$.getToggle(this, d).bind($$), + isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, + isTargetIndex = !indices || indices.indexOf(i) >= 0, + isSelected = shape.classed(CLASS.SELECTED); + // line/area selection not supported yet + if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) { + return; + } + if (isTargetId && isTargetIndex) { + if (config.data_selection_isselectable(d) && !isSelected) { + toggle(true, shape.classed(CLASS.SELECTED, true), d, i); + } + } else if (isDefined(resetOther) && resetOther) { + if (isSelected) { + toggle(false, shape.classed(CLASS.SELECTED, false), d, i); + } + } + }); + }; + c3_chart_fn.unselect = function (ids, indices) { + var $$ = this.internal, d3 = $$.d3, config = $$.config; + if (! config.data_selection_enabled) { return; } + $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) { + var shape = d3.select(this), id = d.data ? d.data.id : d.id, + toggle = $$.getToggle(this, d).bind($$), + isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, + isTargetIndex = !indices || indices.indexOf(i) >= 0, + isSelected = shape.classed(CLASS.SELECTED); + // line/area selection not supported yet + if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) { + return; + } + if (isTargetId && isTargetIndex) { + if (config.data_selection_isselectable(d)) { + if (isSelected) { + toggle(false, shape.classed(CLASS.SELECTED, false), d, i); + } + } + } + }); + }; + + c3_chart_fn.transform = function (type, targetIds) { + var $$ = this.internal, + options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null; + $$.transformTo(targetIds, type, options); + }; + + c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) { + var $$ = this, + withTransitionForAxis = !$$.hasArcType(), + options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis}; + options.withTransitionForTransform = false; + $$.transiting = false; + $$.setTargetType(targetIds, type); + $$.updateTargets($$.data.targets); // this is needed when transforming to arc + $$.updateAndRedraw(options); + }; + + c3_chart_fn.groups = function (groups) { + var $$ = this.internal, config = $$.config; + if (isUndefined(groups)) { return config.data_groups; } + config.data_groups = groups; + $$.redraw(); + return config.data_groups; + }; + + c3_chart_fn.xgrids = function (grids) { + var $$ = this.internal, config = $$.config; + if (! grids) { return config.grid_x_lines; } + config.grid_x_lines = grids; + $$.redrawWithoutRescale(); + return config.grid_x_lines; + }; + c3_chart_fn.xgrids.add = function (grids) { + var $$ = this.internal; + return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : [])); + }; + c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple + var $$ = this.internal; + $$.removeGridLines(params, true); + }; + + c3_chart_fn.ygrids = function (grids) { + var $$ = this.internal, config = $$.config; + if (! grids) { return config.grid_y_lines; } + config.grid_y_lines = grids; + $$.redrawWithoutRescale(); + return config.grid_y_lines; + }; + c3_chart_fn.ygrids.add = function (grids) { + var $$ = this.internal; + return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : [])); + }; + c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple + var $$ = this.internal; + $$.removeGridLines(params, false); + }; + + c3_chart_fn.regions = function (regions) { + var $$ = this.internal, config = $$.config; + if (!regions) { return config.regions; } + config.regions = regions; + $$.redrawWithoutRescale(); + return config.regions; + }; + c3_chart_fn.regions.add = function (regions) { + var $$ = this.internal, config = $$.config; + if (!regions) { return config.regions; } + config.regions = config.regions.concat(regions); + $$.redrawWithoutRescale(); + return config.regions; + }; + c3_chart_fn.regions.remove = function (options) { + var $$ = this.internal, config = $$.config, + duration, classes, regions; + + options = options || {}; + duration = $$.getOption(options, "duration", config.transition_duration); + classes = $$.getOption(options, "classes", [CLASS.region]); + + regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; })); + (duration ? regions.transition().duration(duration) : regions) + .style('opacity', 0) + .remove(); + + config.regions = config.regions.filter(function (region) { + var found = false; + if (!region['class']) { + return true; + } + region['class'].split(' ').forEach(function (c) { + if (classes.indexOf(c) >= 0) { found = true; } + }); + return !found; + }); + + return config.regions; + }; + + c3_chart_fn.data = function (targetIds) { + var targets = this.internal.data.targets; + return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) { + return [].concat(targetIds).indexOf(t.id) >= 0; + }); + }; + c3_chart_fn.data.shown = function (targetIds) { + return this.internal.filterTargetsToShow(this.data(targetIds)); + }; + c3_chart_fn.data.values = function (targetId) { + var targets, values = null; + if (targetId) { + targets = this.data(targetId); + values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null; + } + return values; + }; + c3_chart_fn.data.names = function (names) { + this.internal.clearLegendItemTextBoxCache(); + return this.internal.updateDataAttributes('names', names); + }; + c3_chart_fn.data.colors = function (colors) { + return this.internal.updateDataAttributes('colors', colors); + }; + c3_chart_fn.data.axes = function (axes) { + return this.internal.updateDataAttributes('axes', axes); + }; + + c3_chart_fn.category = function (i, category) { + var $$ = this.internal, config = $$.config; + if (arguments.length > 1) { + config.axis_x_categories[i] = category; + $$.redraw(); + } + return config.axis_x_categories[i]; + }; + c3_chart_fn.categories = function (categories) { + var $$ = this.internal, config = $$.config; + if (!arguments.length) { return config.axis_x_categories; } + config.axis_x_categories = categories; + $$.redraw(); + return config.axis_x_categories; + }; + + // TODO: fix + c3_chart_fn.color = function (id) { + var $$ = this.internal; + return $$.color(id); // more patterns + }; + + c3_chart_fn.x = function (x) { + var $$ = this.internal; + if (arguments.length) { + $$.updateTargetX($$.data.targets, x); + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); + } + return $$.data.xs; + }; + c3_chart_fn.xs = function (xs) { + var $$ = this.internal; + if (arguments.length) { + $$.updateTargetXs($$.data.targets, xs); + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); + } + return $$.data.xs; + }; + + c3_chart_fn.axis = function () {}; + c3_chart_fn.axis.labels = function (labels) { + var $$ = this.internal; + if (arguments.length) { + Object.keys(labels).forEach(function (axisId) { + $$.axis.setLabelText(axisId, labels[axisId]); + }); + $$.axis.updateLabels(); + } + // TODO: return some values? + }; + c3_chart_fn.axis.max = function (max) { + var $$ = this.internal, config = $$.config; + if (arguments.length) { + if (typeof max === 'object') { + if (isValue(max.x)) { config.axis_x_max = max.x; } + if (isValue(max.y)) { config.axis_y_max = max.y; } + if (isValue(max.y2)) { config.axis_y2_max = max.y2; } + } else { + config.axis_y_max = config.axis_y2_max = max; + } + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); + } else { + return { + x: config.axis_x_max, + y: config.axis_y_max, + y2: config.axis_y2_max + }; + } + }; + c3_chart_fn.axis.min = function (min) { + var $$ = this.internal, config = $$.config; + if (arguments.length) { + if (typeof min === 'object') { + if (isValue(min.x)) { config.axis_x_min = min.x; } + if (isValue(min.y)) { config.axis_y_min = min.y; } + if (isValue(min.y2)) { config.axis_y2_min = min.y2; } + } else { + config.axis_y_min = config.axis_y2_min = min; + } + $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); + } else { + return { + x: config.axis_x_min, + y: config.axis_y_min, + y2: config.axis_y2_min + }; + } + }; + c3_chart_fn.axis.range = function (range) { + if (arguments.length) { + if (isDefined(range.max)) { this.axis.max(range.max); } + if (isDefined(range.min)) { this.axis.min(range.min); } + } else { + return { + max: this.axis.max(), + min: this.axis.min() + }; + } + }; + + c3_chart_fn.legend = function () {}; + c3_chart_fn.legend.show = function (targetIds) { + var $$ = this.internal; + $$.showLegend($$.mapToTargetIds(targetIds)); + $$.updateAndRedraw({withLegend: true}); + }; + c3_chart_fn.legend.hide = function (targetIds) { + var $$ = this.internal; + $$.hideLegend($$.mapToTargetIds(targetIds)); + $$.updateAndRedraw({withLegend: true}); + }; + + c3_chart_fn.resize = function (size) { + var $$ = this.internal, config = $$.config; + config.size_width = size ? size.width : null; + config.size_height = size ? size.height : null; + this.flush(); + }; + + c3_chart_fn.flush = function () { + var $$ = this.internal; + $$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false}); + }; + + c3_chart_fn.destroy = function () { + var $$ = this.internal; + + window.clearInterval($$.intervalForObserveInserted); + window.onresize = null; + + $$.selectChart.classed('c3', false).html(""); + + // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen. + Object.keys($$).forEach(function (key) { + $$[key] = null; + }); + + return null; + }; + + c3_chart_fn.tooltip = function () {}; + c3_chart_fn.tooltip.show = function (args) { + var $$ = this.internal, index, mouse; + + // determine mouse position on the chart + if (args.mouse) { + mouse = args.mouse; + } + + // determine focus data + if (args.data) { + if ($$.isMultipleX()) { + // if multiple xs, target point will be determined by mouse + mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)]; + index = null; + } else { + // TODO: when tooltip_grouped = false + index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x); + } + } + else if (typeof args.x !== 'undefined') { + index = $$.getIndexByX(args.x); + } + else if (typeof args.index !== 'undefined') { + index = args.index; + } + + // emulate mouse events to show + $$.dispatchEvent('mouseover', index, mouse); + $$.dispatchEvent('mousemove', index, mouse); + }; + c3_chart_fn.tooltip.hide = function () { + // TODO: get target data by checking the state of focus + this.internal.dispatchEvent('mouseout', 0); + }; + + // Features: + // 1. category axis + // 2. ceil values of translate/x/y to int for half pixel antialiasing + // 3. multiline tick text + var tickTextCharSize; + function c3_axis(d3, params) { + var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize, tickPadding = 3, tickValues = null, tickFormat, tickArguments; + + var tickOffset = 0, tickCulling = true, tickCentered; + + params = params || {}; + outerTickSize = params.withOuterTick ? 6 : 0; + + function axisX(selection, x) { + selection.attr("transform", function (d) { + return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)"; + }); + } + function axisY(selection, y) { + selection.attr("transform", function (d) { + return "translate(0," + Math.ceil(y(d)) + ")"; + }); + } + function scaleExtent(domain) { + var start = domain[0], stop = domain[domain.length - 1]; + return start < stop ? [ start, stop ] : [ stop, start ]; + } + function generateTicks(scale) { + var i, domain, ticks = []; + if (scale.ticks) { + return scale.ticks.apply(scale, tickArguments); + } + domain = scale.domain(); + for (i = Math.ceil(domain[0]); i < domain[1]; i++) { + ticks.push(i); + } + if (ticks.length > 0 && ticks[0] > 0) { + ticks.unshift(ticks[0] - (ticks[1] - ticks[0])); + } + return ticks; + } + function copyScale() { + var newScale = scale.copy(), domain; + if (params.isCategory) { + domain = scale.domain(); + newScale.domain([domain[0], domain[1] - 1]); + } + return newScale; + } + function textFormatted(v) { + var formatted = tickFormat ? tickFormat(v) : v; + return typeof formatted !== 'undefined' ? formatted : ''; + } + function getSizeFor1Char(tick) { + if (tickTextCharSize) { + return tickTextCharSize; + } + var size = { + h: 11.5, + w: 5.5 + }; + tick.select('text').text(textFormatted).each(function (d) { + var box = this.getBoundingClientRect(), + text = textFormatted(d), + h = box.height, + w = text ? (box.width / text.length) : undefined; + if (h && w) { + size.h = h; + size.w = w; + } + }).text(''); + tickTextCharSize = size; + return size; + } + function transitionise(selection) { + return params.withoutTransition ? selection : d3.transition(selection); + } + function axis(g) { + g.each(function () { + var g = axis.g = d3.select(this); + + var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale(); + + var ticks = tickValues ? tickValues : generateTicks(scale1), + tick = g.selectAll(".tick").data(ticks, scale1), + tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6), + // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks. + tickExit = tick.exit().remove(), + tickUpdate = transitionise(tick).style("opacity", 1), + tickTransform, tickX, tickY; + + var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()), + path = g.selectAll(".domain").data([ 0 ]), + pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path)); + tickEnter.append("line"); + tickEnter.append("text"); + + var lineEnter = tickEnter.select("line"), + lineUpdate = tickUpdate.select("line"), + textEnter = tickEnter.select("text"), + textUpdate = tickUpdate.select("text"); + + if (params.isCategory) { + tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2); + tickX = tickCentered ? 0 : tickOffset; + tickY = tickCentered ? tickOffset : 0; + } else { + tickOffset = tickX = 0; + } + + var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = []; + var tickLength = Math.max(innerTickSize, 0) + tickPadding, + isVertical = orient === 'left' || orient === 'right'; + + // this should be called only when category axis + function splitTickText(d, maxWidth) { + var tickText = textFormatted(d), + subtext, spaceIndex, textWidth, splitted = []; + + if (Object.prototype.toString.call(tickText) === "[object Array]") { + return tickText; + } + + if (!maxWidth || maxWidth <= 0) { + maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110; + } + + function split(splitted, text) { + spaceIndex = undefined; + for (var i = 1; i < text.length; i++) { + if (text.charAt(i) === ' ') { + spaceIndex = i; + } + subtext = text.substr(0, i + 1); + textWidth = sizeFor1Char.w * subtext.length; + // if text width gets over tick width, split by space index or crrent index + if (maxWidth < textWidth) { + return split( + splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), + text.slice(spaceIndex ? spaceIndex + 1 : i) + ); + } + } + return splitted.concat(text); + } + + return split(splitted, tickText + ""); + } + + function tspanDy(d, i) { + var dy = sizeFor1Char.h; + if (i === 0) { + if (orient === 'left' || orient === 'right') { + dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3); + } else { + dy = ".71em"; + } + } + return dy; + } + + function tickSize(d) { + var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset); + return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0; + } + + text = tick.select("text"); + tspan = text.selectAll('tspan') + .data(function (d, i) { + var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d)); + counts[i] = splitted.length; + return splitted.map(function (s) { + return { index: i, splitted: s }; + }); + }); + tspan.enter().append('tspan'); + tspan.exit().remove(); + tspan.text(function (d) { return d.splitted; }); + + var rotate = params.tickTextRotate; + + function textAnchorForText(rotate) { + if (!rotate) { + return 'middle'; + } + return rotate > 0 ? "start" : "end"; + } + function textTransform(rotate) { + if (!rotate) { + return ''; + } + return "rotate(" + rotate + ")"; + } + function dxForText(rotate) { + if (!rotate) { + return 0; + } + return 8 * Math.sin(Math.PI * (rotate / 180)); + } + function yForText(rotate) { + if (!rotate) { + return tickLength; + } + return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1); + } + + switch (orient) { + case "bottom": + { + tickTransform = axisX; + lineEnter.attr("y2", innerTickSize); + textEnter.attr("y", tickLength); + lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize); + textUpdate.attr("x", 0).attr("y", yForText(rotate)) + .style("text-anchor", textAnchorForText(rotate)) + .attr("transform", textTransform(rotate)); + tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate)); + pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize); + break; + } + case "top": + { + // TODO: rotated tick text + tickTransform = axisX; + lineEnter.attr("y2", -innerTickSize); + textEnter.attr("y", -tickLength); + lineUpdate.attr("x2", 0).attr("y2", -innerTickSize); + textUpdate.attr("x", 0).attr("y", -tickLength); + text.style("text-anchor", "middle"); + tspan.attr('x', 0).attr("dy", "0em"); + pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize); + break; + } + case "left": + { + tickTransform = axisY; + lineEnter.attr("x2", -innerTickSize); + textEnter.attr("x", -tickLength); + lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY); + textUpdate.attr("x", -tickLength).attr("y", tickOffset); + text.style("text-anchor", "end"); + tspan.attr('x', -tickLength).attr("dy", tspanDy); + pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize); + break; + } + case "right": + { + tickTransform = axisY; + lineEnter.attr("x2", innerTickSize); + textEnter.attr("x", tickLength); + lineUpdate.attr("x2", innerTickSize).attr("y2", 0); + textUpdate.attr("x", tickLength).attr("y", 0); + text.style("text-anchor", "start"); + tspan.attr('x', tickLength).attr("dy", tspanDy); + pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize); + break; + } + } + if (scale1.rangeBand) { + var x = scale1, dx = x.rangeBand() / 2; + scale0 = scale1 = function (d) { + return x(d) + dx; + }; + } else if (scale0.rangeBand) { + scale0 = scale1; + } else { + tickExit.call(tickTransform, scale1); + } + tickEnter.call(tickTransform, scale0); + tickUpdate.call(tickTransform, scale1); + }); + } + axis.scale = function (x) { + if (!arguments.length) { return scale; } + scale = x; + return axis; + }; + axis.orient = function (x) { + if (!arguments.length) { return orient; } + orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom"; + return axis; + }; + axis.tickFormat = function (format) { + if (!arguments.length) { return tickFormat; } + tickFormat = format; + return axis; + }; + axis.tickCentered = function (isCentered) { + if (!arguments.length) { return tickCentered; } + tickCentered = isCentered; + return axis; + }; + axis.tickOffset = function () { + return tickOffset; + }; + axis.tickInterval = function () { + var interval, length; + if (params.isCategory) { + interval = tickOffset * 2; + } + else { + length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2; + interval = length / axis.g.selectAll('line').size(); + } + return interval === Infinity ? 0 : interval; + }; + axis.ticks = function () { + if (!arguments.length) { return tickArguments; } + tickArguments = arguments; + return axis; + }; + axis.tickCulling = function (culling) { + if (!arguments.length) { return tickCulling; } + tickCulling = culling; + return axis; + }; + axis.tickValues = function (x) { + if (typeof x === 'function') { + tickValues = function () { + return x(scale.domain()); + }; + } + else { + if (!arguments.length) { return tickValues; } + tickValues = x; + } + return axis; + }; + return axis; + } + + c3_chart_internal_fn.isSafari = function () { + var ua = window.navigator.userAgent; + return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0; + }; + c3_chart_internal_fn.isChrome = function () { + var ua = window.navigator.userAgent; + return ua.indexOf('Chrome') >= 0; + }; + + // PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use + // this polyfill to avoid the confusion. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill + + if (!Function.prototype.bind) { + Function.prototype.bind = function(oThis) { + if (typeof this !== 'function') { + // closest thing possible to the ECMAScript 5 + // internal IsCallable function + throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable'); + } + + var aArgs = Array.prototype.slice.call(arguments, 1), + fToBind = this, + fNOP = function() {}, + fBound = function() { + return fToBind.apply(this instanceof fNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments))); + }; + + fNOP.prototype = this.prototype; + fBound.prototype = new fNOP(); + + return fBound; + }; + } + + if (typeof define === 'function' && define.amd) { + define("c3", ["d3"], c3); + } else if ('undefined' !== typeof exports && 'undefined' !== typeof module) { + module.exports = c3; + } else { + window.c3 = c3; + } + +})(window); |