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c3.js
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Mon, Aug 26, 08:55
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Wed, Aug 28, 08:55 (1 d, 21 h)
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c3.js
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(function (window) {
'use strict';
/*global define, module, exports, require */
var c3 = { version: "0.3.0" };
var c3_chart_fn, c3_chart_internal_fn;
function Chart(config) {
var $$ = this.internal = new ChartInternal(this);
$$.loadConfig(config);
$$.init();
// bind "this" to nested API
(function bindThis(fn, target, argThis) {
for (var key in fn) {
target[key] = fn[key].bind(argThis);
if (Object.keys(fn[key]).length > 0) {
bindThis(fn[key], target[key], argThis);
}
}
})(c3_chart_fn, this, this);
}
function ChartInternal(api) {
var $$ = this;
$$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
$$.api = api;
$$.config = $$.getDefaultConfig();
$$.data = {};
$$.cache = {};
$$.axes = {};
}
c3.generate = function (config) {
return new Chart(config);
};
c3.chart = {
fn: Chart.prototype,
internal: {
fn: ChartInternal.prototype
}
};
c3_chart_fn = c3.chart.fn;
c3_chart_internal_fn = c3.chart.internal.fn;
c3_chart_internal_fn.init = function () {
var $$ = 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',
$$.clipPath = $$.getClipPath($$.clipId),
$$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis),
$$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);
$$.dragStart = null;
$$.dragging = false;
$$.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 = [];
$$.xOrient = config.axis_rotated ? "left" : "bottom";
$$.yOrient = config.axis_rotated ? "bottom" : "left";
$$.y2Orient = config.axis_rotated ? "top" : "right";
$$.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;
$$.legendItemHeight = 0;
$$.legendOpacityForHidden = 0.15;
$$.currentMaxTickWidth = 0;
$$.rotated_padding_left = 30;
$$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
$$.rotated_padding_top = 5;
$$.withoutFadeIn = {};
$$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
};
c3_chart_internal_fn.initWithData = function (data) {
var $$ = this, d3 = $$.d3, config = $$.config;
var main, binding = true;
if ($$.initPie) { $$.initPie(); }
if ($$.initBrush) { $$.initBrush(); }
if ($$.initZoom) { $$.initZoom(); }
$$.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($$.data.targets) : config.data_hide);
}
// when gauge, hide legend // TODO: fix
if ($$.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");
$$.defs.append("clipPath").attr("id", $$.clipId).append("rect");
$$.defs.append("clipPath").attr("id", $$.clipIdForXAxis).append("rect");
$$.defs.append("clipPath").attr("id", $$.clipIdForYAxis).append("rect");
$$.updateSvgSize();
// Define regions
main = $$.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", $$.clipPath)
.attr('class', CLASS.chart);
// Cover whole with rects for events
$$.initEventRect();
// Define g for bar chart area
if ($$.initBar) { $$.initBar(); }
// Define g for line chart area
if ($$.initLine) { $$.initLine(); }
// Define g for arc chart area
if ($$.initArc) { $$.initArc(); }
if ($$.initGauge) { $$.initGauge(); }
// Define g for text area
if ($$.initText) { $$.initText(); }
// 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_default) {
$$.brush.extent(isFunction(config.axis_x_default) ? config.axis_x_default($$.getXDomain()) : config.axis_x_default);
}
// Add Axis
$$.initAxis();
// Set targets
$$.updateTargets($$.data.targets);
// Draw with targets
if (binding) {
$$.updateDimension();
$$.redraw({
withTransform: true,
withUpdateXDomain: true,
withUpdateOrgXDomain: true,
withTransitionForAxis: false
});
}
// Bind resize event
if (window.onresize == null) {
window.onresize = $$.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 ($$.updateRadius) { $$.updateRadius(); }
if ($$.isLegendRight && hasArc) {
$$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
}
};
c3_chart_internal_fn.updateTargets = function (targets) {
var $$ = this, config = $$.config;
/*-- Main --*/
//-- Text --//
$$.updateTargetsForText(targets);
//-- Bar --//
$$.updateTargetsForBar(targets);
//-- Line --//
$$.updateTargetsForLine(targets);
//-- Arc --//
if ($$.updateTargetsForArc) { $$.updateTargetsForArc(targets); }
if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); }
/*-- Show --*/
// Fade-in each chart
$$.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($$.isLineType);
var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, withTransform, withUpdateXDomain, withUpdateOrgXDomain, withLegend;
var hideAxis = $$.hasArcType();
var drawArea, drawBar, drawLine, xForText, yForText;
var duration, durationForExit, durationForAxis;
var waitForDraw, flow;
var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling;
var xv = $$.xv.bind($$),
cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
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);
withLegend = getOption(options, "withLegend", false);
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 || $$.generateAxisTransitions(durationForAxis);
// update legend and transform each g
if (withLegend && config.legend_show) {
$$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
}
// 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);
// update axis tick values according to options
if (!config.axis_x_tick_values && (config.axis_x_tick_fit || config.axis_x_tick_count)) {
tickValues = $$.generateTickValues($$.mapTargetsToUniqueXs(targetsToShow), config.axis_x_tick_count);
$$.xAxis.tickValues(tickValues);
$$.subXAxis.tickValues(tickValues);
}
} else {
$$.xAxis.tickValues([]);
$$.subXAxis.tickValues([]);
}
$$.y.domain($$.getYDomain(targetsToShow, 'y'));
$$.y2.domain($$.getYDomain(targetsToShow, 'y2'));
// axes
$$.redrawAxis(transitions, hideAxis);
// Update axis label
$$.updateAxisLabels(withTransition);
// show/hide if manual culling needed
if (withUpdateXDomain && 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');
}
}
// rotate tick text if needed
if (!config.axis_rotated && config.axis_x_tick_rotate) {
$$.rotateTickText($$.axes.x, transitions.axisX, config.axis_x_tick_rotate);
}
// 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 = $$.generateXYForText(barIndices, true);
yForText = $$.generateXYForText(barIndices, false);
// Update sub domain
$$.subY.domain($$.y.domain());
$$.subY2.domain($$.y2.domain());
// 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
$$.redrawGrid(duration, withY);
// rect for regions
$$.redrawRegion(duration);
// bars
$$.redrawBar(durationForExit);
// lines, areas and cricles
$$.redrawLine(durationForExit);
$$.redrawArea(durationForExit);
if (config.point_show) { $$.redrawCircle(); }
// text
if ($$.hasDataLabel()) {
$$.redrawText(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 rect
if (config.interaction_enabled) {
$$.redrawEventRect();
}
// transition should be derived from one transition
d3.transition().duration(duration).each(function () {
var transitions = [];
$$.addTransitionForBar(transitions, drawBar);
$$.addTransitionForLine(transitions, drawLine);
$$.addTransitionForArea(transitions, drawArea);
if (config.point_show) { $$.addTransitionForCircle(transitions, cx, cy); }
$$.addTransitionForText(transitions, xForText, yForText, options.flow);
$$.addTransitionForRegion(transitions);
$$.addTransitionForGrid(transitions);
// Wait for end of transitions if called from flow API
if (options.flow) {
waitForDraw = $$.generateWait();
transitions.forEach(function (t) {
waitForDraw.add(t);
});
flow = $$.generateFlow({
targets: targetsToShow,
flow: options.flow,
duration: duration,
drawBar: drawBar,
drawLine: drawLine,
drawArea: drawArea,
cx: cx,
cy: cy,
xv: xv,
xForText: xForText,
yForText: yForText
});
}
})
.call(waitForDraw || function () {}, flow || function () {});
// update fadein condition
$$.mapToIds($$.data.targets).forEach(function (id) {
$$.withoutFadeIn[id] = true;
});
if ($$.updateZoom) { $$.updateZoom(); }
};
c3_chart_internal_fn.updateAndRedraw = function (options) {
var $$ = 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 = $$.generateAxisTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
// Update scales
$$.updateScales();
$$.updateSvgSize();
// Update g positions
$$.transformAll(options.withTransitionForTransform, transitions);
}
// Draw with new sizes & scales
$$.redraw(options, transitions);
};
c3_chart_internal_fn.isTimeSeries = function () {
return this.config.axis_x_type === 'timeseries';
};
c3_chart_internal_fn.isCategorized = function () {
return this.config.axis_x_type.indexOf('categor') >= 0;
};
c3_chart_internal_fn.isCustomX = function () {
var $$ = this, config = $$.config;
return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
};
c3_chart_internal_fn.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.opacityForCircle = function (d) {
var $$ = this;
return isValue(d.value) ? $$.isScatterType(d) ? 0.5 : 1 : 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 $$ = this;
return Math.ceil($$.x($$.isTimeSeries() ? $$.parseDate(d.value) : d.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;
$$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
$$.svg.select('#' + $$.clipId).select('rect')
.attr('width', $$.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('.' + 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 () {
var $$ = this;
if ($$.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 $$ = this, observer = new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
if (mutation.type === 'childList' && mutation.previousSibling) {
observer.disconnect();
// need to wait for completion of load because size calculation requires the actual sizes determined after that completion
var interval = window.setInterval(function () {
// parentNode will NOT be null when completed
if (selection.node().parentNode) {
window.clearInterval(interval);
$$.updateDimension();
$$.redraw({
withTransform: true,
withUpdateXDomain: true,
withUpdateOrgXDomain: true,
withTransition: false,
withTransitionForTransform: false,
withLegend: true
});
selection.transition().style('opacity', 1);
}
}, 10);
}
});
});
observer.observe(selection.node(), {attributes: true, childList: true, characterData: true});
};
c3_chart_internal_fn.generateResize = function () {
var resizeFunctions = [];
function callResizeFunctions() {
resizeFunctions.forEach(function (f) {
f();
});
}
callResizeFunctions.add = function (f) {
resizeFunctions.push(f);
};
return callResizeFunctions;
};
c3_chart_internal_fn.endall = function (transition, callback) {
var n = 0;
transition
.each(function () { ++n; })
.each("end", function () {
if (!--n) { callback.apply(this, arguments); }
});
};
c3_chart_internal_fn.generateWait = function () {
var transitionsToWait = [],
f = function (transition, callback) {
var timer = setInterval(function () {
var done = 0;
transitionsToWait.forEach(function (t) {
if (t.empty()) {
done += 1;
return;
}
try {
t.transition();
} catch (e) {
done += 1;
}
});
if (done === transitionsToWait.length) {
clearInterval(timer);
if (callback) { callback(); }
}
}, 10);
};
f.add = function (transition) {
transitionsToWait.push(transition);
};
return f;
};
c3_chart_internal_fn.parseDate = function (date) {
var $$ = this, parsedDate;
if (date instanceof Date) {
parsedDate = date;
} else if (typeof date === 'number') {
parsedDate = new Date(date);
} else {
parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
}
if (!parsedDate || isNaN(+parsedDate)) {
window.console.error("Failed to parse x '" + date + "' to Date object");
}
return parsedDate;
};
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_onzoom: function () {},
interaction_enabled: true,
onmouseover: function () {},
onmouseout: function () {},
onresize: function () {},
onresized: function () {},
transition_duration: 350,
data_x: undefined,
data_xs: {},
data_xFormat: '%Y-%m-%d',
data_xLocaltime: 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_onclick: function () {},
data_onmouseover: function () {},
data_onmouseout: function () {},
data_onselected: function () {},
data_onunselected: function () {},
data_ondragstart: function () {},
data_ondragend: 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_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: undefined,
axis_x_tick_outer: true,
axis_x_max: null,
axis_x_min: null,
axis_x_padding: {},
axis_x_height: undefined,
axis_x_default: undefined,
axis_x_label: {},
axis_y_show: true,
axis_y_max: undefined,
axis_y_min: undefined,
axis_y_center: undefined,
axis_y_label: {},
axis_y_tick_format: undefined,
axis_y_tick_outer: true,
axis_y_padding: undefined,
axis_y_ticks: 10,
axis_y2_show: false,
axis_y2_max: undefined,
axis_y2_min: undefined,
axis_y2_center: undefined,
axis_y2_label: {},
axis_y2_tick_format: undefined,
axis_y2_tick_outer: true,
axis_y2_padding: undefined,
axis_y2_ticks: 10,
// 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,
// 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_connect_null: false,
// 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_sort: true,
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_sort: true,
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_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 ($$.isCategorized()) {
scale.domain = function (domain) {
if (!arguments.length) {
domain = this.orgDomain();
return [domain[0], domain[1] + 1];
}
_scale.domain(domain);
return scale;
};
}
return scale;
};
c3_chart_internal_fn.getY = function (min, max, domain) {
var scale = this.getScale(min, max);
if (domain) { scale.domain(domain); }
return scale;
};
c3_chart_internal_fn.getYScale = function (id) {
return this.getAxisId(id) === 'y2' ? this.y2 : this.y;
};
c3_chart_internal_fn.getSubYScale = function (id) {
return this.getAxisId(id) === 'y2' ? this.subY2 : this.subY;
};
c3_chart_internal_fn.updateScales = function () {
var $$ = 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 ? undefined : $$.y.domain());
$$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? undefined : $$.y2.domain());
$$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); });
$$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? undefined : $$.subY.domain());
$$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? undefined : $$.subY2.domain());
// update axes
$$.xAxisTickFormat = $$.getXAxisTickFormat();
$$.xAxisTickValues = config.axis_x_tick_values ? config.axis_x_tick_values : (forInit ? undefined : $$.xAxis.tickValues());
$$.xAxis = $$.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
$$.subXAxis = $$.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
$$.yAxis = $$.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, config.axis_y_ticks);
$$.y2Axis = $$.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, config.axis_y2_ticks);
// 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 ($$.getAxisId(id) === $$.getAxisId(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 = $$.hasPositiveValueInTargets(targets);
for (j = 0; j < config.data_groups.length; j++) {
// Determine baseId
idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
if (idsInGroup.length === 0) { continue; }
baseId = idsInGroup[0];
// Consider positive values
if (hasPositiveValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v > 0 ? v : 0;
});
}
// Compute max
for (k = 1; k < idsInGroup.length; k++) {
id = idsInGroup[k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if ($$.getAxisId(id) === $$.getAxisId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); }));
};
c3_chart_internal_fn.getYDomain = function (targets, axisId) {
var $$ = this, config = $$.config,
yTargets = targets.filter(function (d) { return $$.getAxisId(d.id) === axisId; }),
yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
yDomainMin = isValue(yMin) ? yMin : $$.getYDomainMin(yTargets),
yDomainMax = isValue(yMax) ? yMax : $$.getYDomainMax(yTargets),
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),
showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;
if (yTargets.length === 0) { // use current domain if target of axisId is none
return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
}
if (yDomainMin === yDomainMax) {
yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
}
isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
// 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 (center) {
yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
yDomainMax = yDomainAbs - center;
yDomainMin = center - yDomainAbs;
}
// add padding for data label
if (showHorizontalDataLabel) {
lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, axisId, 'width');
diff = diffDomain($$.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 = $$.getDataLabelLength(yDomainMin, yDomainMax, axisId, 'height');
padding_top += lengths[1];
padding_bottom += lengths[0];
}
if (axisId === 'y' && config.axis_y_padding) {
padding_top = $$.getAxisPadding(config.axis_y_padding, 'top', padding, domainLength);
padding_bottom = $$.getAxisPadding(config.axis_y_padding, 'bottom', padding, domainLength);
}
if (axisId === 'y2' && config.axis_y2_padding) {
padding_top = $$.getAxisPadding(config.axis_y2_padding, 'top', padding, domainLength);
padding_bottom = $$.getAxisPadding(config.axis_y2_padding, 'bottom', padding, domainLength);
}
// Bar/Area chart should be 0-based if all positive|negative
if (isZeroBased) {
if (isAllPositive) { padding_bottom = yDomainMin; }
if (isAllNegative) { padding_top = -yDomainMax; }
}
return [yDomainMin - padding_bottom, yDomainMax + padding_top];
};
c3_chart_internal_fn.getXDomainMin = function (targets) {
var $$ = this, config = $$.config;
return config.axis_x_min ?
($$.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 config.axis_x_max ?
($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) :
$$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); });
};
c3_chart_internal_fn.getXDomainPadding = function (targets) {
var $$ = this, config = $$.config,
edgeX = this.getEdgeX(targets), diff = edgeX[1] - edgeX[0],
maxDataCount, padding, paddingLeft, paddingRight;
if ($$.isCategorized()) {
padding = 0;
} else if ($$.hasType('bar', targets)) {
maxDataCount = $$.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(targets),
min = 0, max = 0;
// show center of x domain if min and max are the same
if ((firstX - lastX) === 0 && !$$.isCategorized()) {
firstX = $$.isTimeSeries() ? new Date(firstX.getTime() * 0.5) : -0.5;
lastX = $$.isTimeSeries() ? new Date(lastX.getTime() * 1.5) : 0.5;
}
if (firstX || firstX === 0) {
min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
}
if (lastX || lastX === 0) {
max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
}
return [min, max];
};
c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, domain) {
var $$ = 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(); }
}
return $$.x.domain();
};
c3_chart_internal_fn.isX = function (key) {
var $$ = 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 = $$.data.xs[id];
}
});
return xValues;
};
c3_chart_internal_fn.getXValue = function (id, i) {
var $$ = 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) {
$$.config.data_xs[id] = xs[id];
});
};
c3_chart_internal_fn.hasMultipleX = function (xs) {
return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1;
};
c3_chart_internal_fn.isMultipleX = function () {
var $$ = this, config = $$.config;
return notEmpty(config.data_xs) && $$.hasMultipleX(config.data_xs);
};
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 : $$.getXValue(id, index);
}
else {
x = index;
}
return x;
};
c3_chart_internal_fn.cloneTarget = function (target) {
return {
id : target.id,
id_org : target.id_org,
values : target.values.map(function (d) {
return {x: d.x, value: d.value, id: d.id};
})
};
};
c3_chart_internal_fn.getPrevX = function (i) {
var $$ = this, value = $$.getValueOnIndex($$.data.targets[0].values, i - 1);
return value ? value.x : null;
};
c3_chart_internal_fn.getNextX = function (i) {
var $$ = this, value = $$.getValueOnIndex($$.data.targets[0].values, i + 1);
return value ? value.x : null;
};
c3_chart_internal_fn.getMaxDataCount = function () {
var $$ = 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 target = this.getMaxDataCountTarget(targets), firstData, lastData;
if (!target) {
return [0, 0];
}
firstData = target.values[0], lastData = target.values[target.values.length - 1];
return [firstData.x, lastData.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 $$.isTimeSeries() ? xs.map(function (x) { return new Date(x); }) : xs.map(function (x) { return +x; });
};
c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
};
c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
};
c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
};
c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
};
c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
var ys = {};
targets.forEach(function (t) {
ys[t.id] = [];
t.values.forEach(function (v) {
ys[t.id].push(v.value);
});
});
return ys;
};
c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
var ids = Object.keys(targets), i, j, values;
for (i = 0; i < ids.length; i++) {
values = targets[ids[i]].values;
for (j = 0; j < values.length; j++) {
if (checker(values[j].value)) {
return true;
}
}
}
return false;
};
c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
return this.checkValueInTargets(targets, function (v) { return v < 0; });
};
c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
return this.checkValueInTargets(targets, function (v) { return v > 0; });
};
c3_chart_internal_fn.isOrderDesc = function () {
var config = this.config;
return config.data_order && config.data_order.toLowerCase() === 'desc';
};
c3_chart_internal_fn.isOrderAsc = function () {
var config = this.config;
return config.data_order && config.data_order.toLowerCase() === 'asc';
};
c3_chart_internal_fn.orderTargets = function (targets) {
var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
if (orderAsc || orderDesc) {
targets.sort(function (t1, t2) {
var reducer = function (p, c) { return p + Math.abs(c.value); };
var t1Sum = t1.values.reduce(reducer, 0),
t2Sum = t2.values.reduce(reducer, 0);
return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
});
} else if (isFunction(config.data_order)) {
targets.sort(config.data_order);
} // TODO: accept name array for order
return targets;
};
c3_chart_internal_fn.filterSameX = function (targets, x) {
return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
};
c3_chart_internal_fn.filterRemoveNull = function (data) {
return data.filter(function (d) { return isValue(d.value); });
};
c3_chart_internal_fn.hasDataLabel = function () {
var config = this.config;
if (typeof config.data_labels === 'boolean' && config.data_labels) {
return true;
} else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) {
return true;
}
return false;
};
c3_chart_internal_fn.getDataLabelLength = function (min, max, axisId, key) {
var $$ = this,
lengths = [0, 0], paddingCoef = 1.3;
$$.selectChart.select('svg').selectAll('.dummy')
.data([min, max])
.enter().append('text')
.text(function (d) { return $$.formatByAxisId(axisId)(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.findClosestOfValues = function (values, pos, _min, _max) { // MEMO: values must be sorted by x
var $$ = this,
min = _min ? _min : 0,
max = _max ? _max : values.length - 1,
med = Math.floor((max - min) / 2) + min,
value = values[med],
diff = $$.x(value.x) - pos[$$.config.axis_rotated ? 1 : 0],
candidates;
// Update range for search
diff > 0 ? max = med : min = med;
// if candidates are two closest min and max, stop recursive call
if ((max - min) === 1 || (min === 0 && max === 0)) {
// Get candidates that has same min and max index
candidates = [];
if (values[min].x || values[min].x === 0) {
candidates = candidates.concat($$.findSameXOfValues(values, min));
}
if (values[max].x || values[max].x === 0) {
candidates = candidates.concat($$.findSameXOfValues(values, max));
}
// Determine the closest and return
return $$.findClosest(candidates, pos);
}
return $$.findClosestOfValues(values, pos, min, max);
};
c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
var $$ = this, candidates;
// map to array of closest points of each target
candidates = targets.map(function (target) {
return $$.findClosestOfValues(target.values, pos);
});
// decide closest point and return
return $$.findClosest(candidates, pos);
};
c3_chart_internal_fn.findClosest = function (values, pos) {
var $$ = this, minDist, closest;
values.forEach(function (v) {
var d = $$.dist(v, pos);
if (d < minDist || ! minDist) {
minDist = d;
closest = v;
}
});
return closest;
};
c3_chart_internal_fn.dist = function (data, pos) {
var $$ = this, config = $$.config,
yScale = $$.getAxisId(data.id) === 'y' ? $$.y : $$.y2,
xIndex = config.axis_rotated ? 1 : 0,
yIndex = config.axis_rotated ? 0 : 1;
return Math.pow($$.x(data.x) - pos[xIndex], 2) + Math.pow(yScale(data.value) - pos[yIndex], 2);
};
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 (type === 'json') {
d = $$.convertJsonToData(JSON.parse(data.response), keys);
} else {
d = $$.convertCsvToData(data.response);
}
done.call($$, d);
});
};
c3_chart_internal_fn.convertCsvToData = function (csv) {
var d3 = this.d3, rows = d3.csv.parseRows(csv), d;
if (rows.length === 1) {
d = [{}];
rows[0].forEach(function (id) {
d[0][id] = null;
});
} else {
d = d3.csv.parse(csv);
}
return d;
};
c3_chart_internal_fn.convertJsonToData = function (json, keys) {
var $$ = this,
new_rows = [], targetKeys, data;
if (keys) { // when keys specified, json would be an array that includes objects
targetKeys = keys.value;
if (keys.x) {
targetKeys.push(keys.x);
$$.config.data_x = keys.x;
}
new_rows.push(targetKeys);
json.forEach(function (o) {
var new_row = [];
targetKeys.forEach(function (key) {
// convert undefined to null because undefined data will be removed in convertDataToTargets()
var v = isUndefined(o[key]) ? null : o[key];
new_row.push(v);
});
new_rows.push(new_row);
});
data = $$.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
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 $$ = this;
if (targets) {
// filter loading targets if needed
if (args.filter) {
targets = targets.filter(args.filter);
}
// set type if args.types || args.type specified
if (args.type || args.types) {
targets.forEach(function (t) {
$$.setTargetType(t.id, args.types ? args.types[t.id] : args.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()) {
rectW = function (d) {
var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index), dx = $$.data.xs[d.id][d.index],
w = ($$.x(nextX ? nextX : dx) - $$.x(prevX ? prevX : dx)) / 2;
return w < 0 ? 0 : w;
};
rectX = function (d) {
var prevX = $$.getPrevX(d.index), dx = $$.data.xs[d.id][d.index];
return ($$.x(dx) + $$.x(prevX ? prevX : dx)) / 2;
};
} else {
rectW = $$.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, selectedData, newData;
if ($$.dragging) { return; } // do nothing if dragging
if ($$.hasArcType()) { return; }
selectedData = $$.data.targets.map(function (t) {
return $$.addName($$.getValueOnIndex(t.values, index));
});
// Sort selectedData as names order
newData = [];
Object.keys(config.data_names).forEach(function (id) {
for (var j = 0; j < selectedData.length; j++) {
if (selectedData[j] && selectedData[j].id === id) {
newData.push(selectedData[j]);
selectedData.shift(j);
break;
}
}
});
selectedData = newData.concat(selectedData); // Add remained
// Expand shapes for selection
if (config.point_focus_expand_enabled) { $$.expandCircles(index); }
$$.expandBars(index);
// Call event handler
$$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
config.data_onmouseover.call($$, d);
});
})
.on('mouseout', function (d) {
var index = d.index;
if ($$.hasArcType()) { return; }
$$.hideXGridFocus();
$$.hideTooltip();
// Undo expanded shapes
$$.unexpandCircles(index);
$$.unexpandBars();
// Call event handler
$$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
config.data_onmouseout.call($$, d);
});
})
.on('mousemove', function (d) {
var selectedData, index = d.index,
eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);
if ($$.dragging) { return; } // do nothing when dragging
if ($$.hasArcType()) { return; }
// Show tooltip
selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
return $$.addName($$.getValueOnIndex(t.values, index));
});
if (config.tooltip_grouped) {
$$.showTooltip(selectedData, d3.mouse(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();
}
}
})
.filter(function (d) {
if (this.nodeName === 'circle') {
return $$.isWithinCircle(this, $$.pointSelectR(d));
}
else if (this.nodeName === 'path') {
return $$.isWithinBar(this);
}
})
.each(function (d) {
if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
eventRect.style('cursor', 'pointer');
}
if (!config.tooltip_grouped) {
$$.showTooltip([d], d3.mouse(this));
$$.showXGridFocus([d]);
if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id); }
$$.expandBars(index, d.id);
}
});
})
.on('click', function (d) {
var index = d.index;
if ($$.hasArcType() || !$$.toggleShape) { return; }
if ($$.cancelClick) {
$$.cancelClick = false;
return;
}
$$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
$$.toggleShape(this, d, index);
});
})
.call(
d3.behavior.drag().origin(Object)
.on('drag', function () { $$.drag(d3.mouse(this)); })
.on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
.on('dragend', function () { $$.dragend(); })
)
.on("dblclick.zoom", null);
};
c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
var $$ = this, d3 = $$.d3, config = $$.config;
eventRectEnter.append('rect')
.attr('x', 0)
.attr('y', 0)
.attr('width', $$.width)
.attr('height', $$.height)
.attr('class', CLASS.eventRect)
.on('mouseout', function () {
if ($$.hasArcType()) { return; }
$$.hideXGridFocus();
$$.hideTooltip();
$$.unexpandCircles();
})
.on('mousemove', function () {
var targetsToShow = $$.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 (! closest) { return; }
if ($$.isScatterType(closest)) {
sameXData = [closest];
} else {
sameXData = $$.filterSameX(targetsToShow, closest.x);
}
// show tooltip when cursor is close to some point
selectedData = sameXData.map(function (d) {
return $$.addName(d);
});
$$.showTooltip(selectedData, mouse);
// expand points
if (config.point_focus_expand_enabled) {
$$.unexpandCircles();
$$.expandCircles(closest.index, closest.id);
}
// Show xgrid focus line
$$.showXGridFocus(selectedData);
// Show cursor as pointer if point is close to mouse position
if ($$.dist(closest, mouse) < 100) {
$$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
if (!$$.mouseover) {
config.data_onmouseover.call($$, closest);
$$.mouseover = true;
}
} else if ($$.mouseover) {
$$.svg.select('.' + CLASS.eventRect).style('cursor', null);
config.data_onmouseout.call($$, closest);
$$.mouseover = false;
}
})
.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 ($$.dist(closest, mouse) < 100 && $$.toggleShape) {
$$.main.select('.' + CLASS.circles + $$.getTargetSelectorSuffix(closest.id)).select('.' + CLASS.circle + '-' + closest.index).each(function () {
$$.toggleShape(this, closest, closest.index);
});
}
})
.call(
d3.behavior.drag().origin(Object)
.on('drag', function () { $$.drag(d3.mouse(this)); })
.on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
.on('dragend', function () { $$.dragend(); })
)
.on("dblclick.zoom", null);
};
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;
};
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 () {
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($$.getAxisWidthByAxisId('x')), 40);
} else {
return !config.axis_y_show ? 1 : ceil10($$.getAxisWidthByAxisId('y'));
}
};
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 {
return (!config.axis_y2_show ? defaultPadding : ceil10($$.getAxisWidthByAxisId('y2'))) + legendWidthOnRight;
}
};
c3_chart_internal_fn.getParentRectValue = function (key) {
var parent = this.selectChart.node(), v;
while (parent && parent.tagName !== 'BODY') {
v = parent.getBoundingClientRect()[key];
if (v) {
break;
}
parent = parent.parentNode;
}
return v;
};
c3_chart_internal_fn.getParentWidth = function () {
return this.getParentRectValue('width');
};
c3_chart_internal_fn.getParentHeight = function () {
var h = this.selectChart.style('height');
return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
};
c3_chart_internal_fn.getSvgLeft = function () {
var $$ = this, config = $$.config,
leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
leftAxis = $$.main.select('.' + leftAxisClass).node(),
svgRect = leftAxis ? leftAxis.getBoundingClientRect() : {right: 0},
chartRect = $$.selectChart.node().getBoundingClientRect(),
hasArc = $$.hasArcType(),
svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft());
return svgLeft > 0 ? svgLeft : 0;
};
c3_chart_internal_fn.getAxisWidthByAxisId = function (id) {
var $$ = this, position = $$.getAxisLabelPositionById(id);
return position.isInner ? 20 + $$.getMaxTickWidth(id) : 40 + $$.getMaxTickWidth(id);
};
c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
var $$ = this, config = $$.config;
if (axisId === 'x' && !config.axis_x_show) { return 0; }
if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; }
if (axisId === 'y' && !config.axis_y_show) { return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1; }
if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
return ($$.getAxisLabelPositionById(axisId).isInner ? 30 : 40) + (axisId === 'y2' ? -10 : 0);
};
c3_chart_internal_fn.getEventRectWidth = function () {
var $$ = this;
var target = $$.getMaxDataCountTarget($$.data.targets),
firstData, lastData, base, maxDataCount, ratio, w;
if (!target) {
return 0;
}
firstData = target.values[0], lastData = target.values[target.values.length - 1];
base = $$.x(lastData.x) - $$.x(firstData.x);
if (base === 0) {
return $$.config.axis_rotated ? $$.height : $$.width;
}
maxDataCount = $$.getMaxDataCount();
ratio = ($$.hasType('bar') ? (maxDataCount - ($$.isCategorized() ? 0.25 : 1)) / maxDataCount : 1);
w = maxDataCount > 1 ? (base * ratio) / (maxDataCount - 1) : base;
return w < 1 ? 1 : w;
};
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) {
if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id) && t.values[i].value * d.value >= 0) {
offset += scale(t.values[i].value) - y0;
}
});
return offset;
};
};
c3_chart_internal_fn.getInterpolate = function (d) {
var $$ = this;
return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? "step-after" : "linear";
};
c3_chart_internal_fn.initLine = function () {
var $$ = 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($$);
mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
.data(targets)
.attr('class', classChartLine);
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 + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
d.value = t.values[d.index].value;
});
});
// MEMO: can not keep same color...
//mainLineUpdate.exit().remove();
};
c3_chart_internal_fn.redrawLine = function (durationForExit) {
var $$ = 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($$))
.attr('transform', null);
$$.mainLine.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.addTransitionForLine = function (transitions, drawLine) {
var $$ = this;
transitions.push($$.mainLine.transition()
.attr("d", drawLine)
.style("stroke", $$.color)
.style("opacity", 1));
};
c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
var $$ = this, config = $$.config,
line = $$.d3.svg.line(),
getPoint = $$.generateGetLinePoint(lineIndices, isSub),
yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
yValue = function (d, i) {
return config.data_groups.length > 0 ? getPoint(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
};
line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
if (!config.line_connect_null) { line = line.defined(function (d) { return d.value != null; }); }
return function (d) {
var data = config.line_connect_null ? $$.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 = $$.lineWithRegions(data, x, y, config.data_regions[d.id]);
} else {
path = line.interpolate($$.getInterpolate(d))(data);
}
} else {
if (data[0]) {
x0 = x(data[0].x);
y0 = y(data[0].value);
}
path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
};
c3_chart_internal_fn.generateGetLinePoint = 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($$, d.id)(0),
offset = lineOffset(d, i) || y0, // offset is for stacked area chart
posX = x(d), posY = y(d);
// fix posY not to overflow opposite quadrant
if (config.axis_rotated) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 1 point that marks the line position
return [
[posX, posY - (y0 - offset)]
];
};
};
c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
var $$ = this, config = $$.config,
prev = -1, i, j,
s = "M", sWithRegion,
xp, yp, dx, dy, dd, diff, diffx2,
xValue, yValue,
regions = [];
function isWithinRegions(x, regions) {
var i;
for (i = 0; i < regions.length; i++) {
if (regions[i].start < x && x <= regions[i].end) { return true; }
}
return false;
}
// Check start/end of regions
if (isDefined(_regions)) {
for (i = 0; i < _regions.length; i++) {
regions[i] = {};
if (isUndefined(_regions[i].start)) {
regions[i].start = d[0].x;
} else {
regions[i].start = $$.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() ? $$.parseDate(_regions[i].end) : _regions[i].end;
}
}
}
// Set scales
xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); };
// Define svg generator function for region
if ($$.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));
return "M" + x(xv0) + " " + y(yp(j)) + " " + x(xv1) + " " + y(yp(j + diff));
};
} else {
sWithRegion = function (d0, d1, j, diff) {
return "M" + x(xp(j), true) + " " + y(yp(j)) + " " + x(xp(j + diff), true) + " " + y(yp(j + diff));
};
}
// 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 = $$.getScale(d[i - 1].x, d[i].x, $$.isTimeSeries());
yp = $$.getScale(d[i - 1].value, d[i].value);
dx = x(d[i].x) - x(d[i - 1].x);
dy = y(d[i].value) - y(d[i - 1].value);
dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
diff = 2 / dd;
diffx2 = diff * 2;
for (j = diff; j <= 1; j += diffx2) {
s += sWithRegion(d[i - 1], d[i], j, diff);
}
}
prev = d[i].x;
}
return s;
};
c3_chart_internal_fn.redrawArea = function (durationForExit) {
var $$ = 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);
$$.mainArea.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
};
c3_chart_internal_fn.addTransitionForArea = function (transitions, drawArea) {
var $$ = this;
transitions.push($$.mainArea.transition()
.attr("d", drawArea)
.style("fill", $$.color)
.style("opacity", $$.orgAreaOpacity));
};
c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
var $$ = this, config = $$.config, area = $$.d3.svg.area(),
getPoint = $$.generateGetAreaPoint(areaIndices, isSub),
yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
value0 = function (d, i) {
return config.data_groups.length > 0 ? getPoint(d, i)[0][1] : yScaleGetter.call($$, d.id)(0);
},
value1 = function (d, i) {
return config.data_groups.length > 0 ? getPoint(d, i)[1][1] : yScaleGetter.call($$, 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_connect_null) {
area = area.defined(function (d) { return d.value !== null; });
}
return function (d) {
var data = config.line_connect_null ? $$.filterRemoveNull(d.values) : d.values, x0 = 0, y0 = 0, path;
if ($$.isAreaType(d)) {
path = area.interpolate($$.getInterpolate(d))(data);
} else {
if (data[0]) {
x0 = $$.x(data[0].x);
y0 = $$.getYScale(d.id)(data[0].value);
}
path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
};
c3_chart_internal_fn.generateGetAreaPoint = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
var $$ = 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)]
];
};
};
c3_chart_internal_fn.redrawCircle = 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", $$.initialOpacity.bind($$));
$$.mainCircle.exit().remove();
};
c3_chart_internal_fn.addTransitionForCircle = function (transitions, cx, cy) {
var $$ = this;
transitions.push($$.mainCircle.transition()
.style('opacity', $$.opacityForCircle.bind($$))
.style("fill", $$.color)
.attr("cx", cx)
.attr("cy", cy));
transitions.push($$.main.selectAll('.' + CLASS.selectedCircle).transition()
.attr("cx", cx)
.attr("cy", cy));
};
c3_chart_internal_fn.circleX = function (d) {
return d.x || d.x === 0 ? this.x(d.x) : null;
};
c3_chart_internal_fn.circleY = function (d, i) {
var $$ = this,
lineIndices = $$.getShapeIndices($$.isLineType), getPoint = $$.generateGetLinePoint(lineIndices);
return $$.config.data_groups.length > 0 ? getPoint(d, i)[0][1] : $$.getYScale(d.id)(d.value);
};
c3_chart_internal_fn.getCircles = function (i, id) {
var $$ = this;
return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandCircles = function (i, id) {
var $$ = this,
r = $$.pointExpandedR.bind($$);
$$.getCircles(i, id)
.classed(CLASS.EXPANDED, true)
.attr('r', r);
};
c3_chart_internal_fn.unexpandCircles = function (i) {
var $$ = 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 config.point_show && !$$.isStepType(d) ? (isFunction(config.point_r) ? config.point_r(d) : config.point_r) : 0;
};
c3_chart_internal_fn.pointExpandedR = function (d) {
var $$ = 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 (_this, _r) {
var d3 = this.d3,
mouse = d3.mouse(_this), d3_this = d3.select(_this),
cx = d3_this.attr("cx") * 1, cy = d3_this.attr("cy") * 1;
return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < _r;
};
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 = $$.classBars.bind($$);
mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
.data(targets)
.attr('class', classChartBar);
mainBarEnter = mainBarUpdate.enter().append('g')
.attr('class', classChartBar)
.style('opacity', 0)
.style("pointer-events", "none");
// Bars for each data
mainBarEnter.append('g')
.attr("class", classBars)
.style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
};
c3_chart_internal_fn.redrawBar = function (durationForExit) {
var $$ = 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.addTransitionForBar = function (transitions, drawBar) {
var $$ = this;
transitions.push($$.mainBar.transition()
.attr('d', drawBar)
.style("fill", $$.color)
.style("opacity", 1));
};
c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
var $$ = this, config = $$.config,
w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickOffset() * 2 * config.bar_width_ratio) / barTargetsNum : 0;
return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
};
c3_chart_internal_fn.getBars = function (i) {
var $$ = this;
return $$.main.selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandBars = function (i) {
var $$ = this;
$$.getBars(i).classed(CLASS.EXPANDED, true);
};
c3_chart_internal_fn.unexpandBars = function (i) {
var $$ = 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 $$ = this,
barTargetsNum = barIndices.__max__ + 1,
barW = $$.getBarW($$.xAxis, barTargetsNum),
barX = $$.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 ($$.config.axis_rotated) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 4 points that make a bar
return [
[posX, offset],
[posX, posY - (y0 - offset)],
[posX + barW, posY - (y0 - offset)],
[posX + barW, offset]
];
};
};
c3_chart_internal_fn.isWithinBar = function (_this) {
var d3 = this.d3,
mouse = d3.mouse(_this), box = _this.getBoundingClientRect(),
seg0 = _this.pathSegList.getItem(0), seg1 = _this.pathSegList.getItem(1),
x = seg0.x, y = Math.min(seg0.y, seg1.y), w = box.width, h = box.height, offset = 2,
sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
};
c3_chart_internal_fn.initText = function () {
var $$ = 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 = $$.classTexts.bind($$);
mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
.data(targets)
.attr('class', classChartText);
mainTextEnter = mainTextUpdate.enter().append('g')
.attr('class', classChartText)
.style('opacity', 0)
.style("pointer-events", "none");
mainTextEnter.append('g')
.attr('class', classTexts);
};
c3_chart_internal_fn.redrawText = function (durationForExit) {
var $$ = 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) { return $$.formatByAxisId($$.getAxisId(d.id))(d.value, d.id); });
$$.mainText.exit()
.transition().duration(durationForExit)
.style('fill-opacity', 0)
.remove();
};
c3_chart_internal_fn.addTransitionForText = function (transitions, xForText, yForText, forFlow) {
var $$ = this,
opacityForText = forFlow ? 0 : $$.opacityForText.bind($$);
transitions.push($$.mainText.transition()
.attr('x', xForText)
.attr('y', yForText)
.style("fill", $$.color)
.style("fill-opacity", opacityForText));
};
c3_chart_internal_fn.getTextRect = function (text, cls) {
var rect;
this.d3.select('body').selectAll('.dummy')
.data([text])
.enter().append('text')
.classed(cls ? cls : "", true)
.text(text)
.each(function () { rect = this.getBoundingClientRect(); })
.remove();
return rect;
};
c3_chart_internal_fn.generateXYForText = function (barIndices, forX) {
var $$ = this,
getPoints = $$.generateGetBarPoints(barIndices, false),
getter = forX ? $$.getXForText : $$.getYForText;
return function (d, i) {
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 = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
}
return xPos > $$.width ? $$.width - box.width : xPos;
};
c3_chart_internal_fn.getYForText = function (points, d, textElement) {
var $$ = this,
box = textElement.getBoundingClientRect(), yPos;
if ($$.config.axis_rotated) {
yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
} else {
yPos = points[2][1] + (d.value < 0 ? box.height : $$.isBarType(d) ? -3 : -6);
}
return yPos < box.height ? box.height : 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 || $$.data.targets).forEach(function (t) {
if ((types[t.id] && types[t.id].indexOf(type) >= 0) || (!(t.id in types) && type === 'line')) {
has = true;
}
});
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", $$.clipPath)
.attr('class', CLASS.grid);
if (config.grid_x_show) {
$$.grid.append("g").attr("class", CLASS.xgrids);
}
if (config.grid_y_show) {
$$.grid.append('g').attr('class', CLASS.ygrids);
}
$$.grid.append('g').attr("class", CLASS.xgridLines);
$$.grid.append('g').attr('class', CLASS.ygridLines);
if (config.grid_focus_show) {
$$.grid.append('g')
.attr("class", CLASS.xgridFocus)
.append('line')
.attr('class', CLASS.xgridFocus);
}
$$.xgrid = d3.selectAll([]);
$$.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 = $$.config;
$$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
.data($$.y.ticks(config.grid_y_ticks));
$$.ygrid.enter().append('line')
.attr('class', CLASS.ygrid);
$$.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($$.ygrid, 'grid');
};
c3_chart_internal_fn.redrawGrid = function (duration, withY) {
var $$ = this, main = $$.main, config = $$.config,
xgridLine, ygridLine, yv;
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 = $$.xgridLines.enter().append('g')
.attr("class", function (d) { return CLASS.xgridLine + (d.class ? ' ' + d.class : ''); });
xgridLine.append('line')
.style("opacity", 0);
xgridLine.append('text')
.attr("text-anchor", "end")
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.attr('dx', config.axis_rotated ? 0 : -$$.margin.top)
.attr('dy', -5)
.style("opacity", 0);
// udpate
// done in d3.transition() of the end of this function
// exit
$$.xgridLines.exit().transition().duration(duration)
.style("opacity", 0)
.remove();
// Y-Grid
if (withY && config.grid_y_show) {
$$.updateYGrid();
}
if (withY) {
$$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
.data(config.grid_y_lines);
// enter
ygridLine = $$.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", "end")
.attr("transform", config.axis_rotated ? "rotate(-90)" : "")
.attr('dx', config.axis_rotated ? 0 : -$$.margin.top)
.attr('dy', -5)
.style("opacity", 0);
// update
yv = $$.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);
$$.ygridLines.select('text')
.transition().duration(duration)
.attr("x", config.axis_rotated ? 0 : $$.width)
.attr("y", yv)
.text(function (d) { return d.text; })
.style("opacity", 1);
// exit
$$.ygridLines.exit().transition().duration(duration)
.style("opacity", 0)
.remove();
}
};
c3_chart_internal_fn.addTransitionForGrid = function (transitions) {
var $$ = this, config = $$.config, xv = $$.xv.bind($$);
transitions.push($$.xgridLines.select('line').transition()
.attr("x1", config.axis_rotated ? 0 : xv)
.attr("x2", config.axis_rotated ? $$.width : xv)
.attr("y1", config.axis_rotated ? xv : $$.margin.top)
.attr("y2", config.axis_rotated ? xv : $$.height)
.style("opacity", 1));
transitions.push($$.xgridLines.select('text').transition()
.attr("x", config.axis_rotated ? $$.width : 0)
.attr("y", xv)
.text(function (d) { return d.text; })
.style("opacity", 1));
};
c3_chart_internal_fn.showXGridFocus = function (selectedData) {
var $$ = 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 = $$.getXDomain();
firstYear = xDomain[0].getFullYear();
lastYear = xDomain[1].getFullYear();
for (i = firstYear; i <= lastYear; i++) {
gridData.push(new Date(i + '-01-01 00:00:00'));
}
} else {
gridData = scale.ticks(10);
if (gridData.length > tickNum) { // use only int
gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; });
}
}
return gridData;
};
c3_chart_internal_fn.getGridFilterToRemove = function (params) {
return params ? function (line) {
var found = false;
[].concat(params).forEach(function (param) {
if ((('value' in param && line.value === params.value) || ('class' in param && line.class === params.class))) {
found = true;
}
});
return found;
} : function () { return true; };
};
c3_chart_internal_fn.removeGridLines = function (params, forX) {
var $$ = 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 = $$.selectChart
.style("position", "relative")
.append("div")
.style("position", "absolute")
.style("pointer-events", "none")
.style("z-index", "10")
.style("display", "none");
// Show tooltip if needed
if (config.tooltip_init_show) {
if ($$.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 $$.addName(d.values[config.tooltip_init_x]);
}), $$.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>" : "");
}
name = nameFormat(d[i].name);
value = valueFormat(d[i].value, 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.showTooltip = function (selectedData, mouse) {
var $$ = this, config = $$.config;
var tWidth, tHeight, svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
var forArc = $$.hasArcType(),
dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); });
if (dataToShow.length === 0 || !config.tooltip_show) {
return;
}
$$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");
// Get tooltip dimensions
tWidth = $$.tooltip.property('offsetWidth');
tHeight = $$.tooltip.property('offsetHeight');
// Determin tooltip position
if (forArc) {
tooltipLeft = ($$.width / 2) + mouse[0];
tooltipTop = ($$.height / 2) + mouse[1] + 20;
} else {
if (config.axis_rotated) {
svgLeft = $$.getSvgLeft();
tooltipLeft = svgLeft + mouse[0] + 100;
tooltipRight = tooltipLeft + tWidth;
chartRight = $$.getCurrentWidth() - $$.getCurrentPaddingRight();
tooltipTop = $$.x(dataToShow[0].x) + 20;
} else {
svgLeft = $$.getSvgLeft();
tooltipLeft = svgLeft + $$.getCurrentPaddingLeft() + $$.x(dataToShow[0].x) + 20;
tooltipRight = tooltipLeft + tWidth;
chartRight = svgLeft + $$.getCurrentWidth() - $$.getCurrentPaddingRight();
tooltipTop = mouse[1] + 15;
}
if (tooltipRight > chartRight) {
tooltipLeft -= tooltipRight - chartRight;
}
if (tooltipTop + tHeight > $$.getCurrentHeight() && tooltipTop > tHeight + 30) {
tooltipTop -= tHeight + 30;
}
}
// Set tooltip
$$.tooltip
.style("top", tooltipTop + "px")
.style("left", tooltipLeft + 'px');
};
c3_chart_internal_fn.hideTooltip = function () {
this.tooltip.style("display", "none");
};
c3_chart_internal_fn.initLegend = function () {
var $$ = this;
$$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
if (!$$.config.legend_show) {
$$.legend.style('visibility', 'hidden');
$$.hiddenLegendIds = $$.mapToIds($$.data.targets);
}
// MEMO: call here to update legend box and tranlate for all
// MEMO: translate will be upated by this, so transform not needed in updateLegend()
$$.updateLegend($$.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, config = $$.config, h = 0;
if (config.legend_show) {
if ($$.isLegendRight) {
h = $$.currentHeight;
} else if ($$.isLegendInset) {
h = config.legend_inset_step ? Math.max(20, $$.legendItemHeight) * (config.legend_inset_step + 1) : $$.height;
} else {
h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);
}
}
return h;
};
c3_chart_internal_fn.opacityForLegend = function (legendItem) {
var $$ = this;
return legendItem.classed(CLASS.legendItemHidden) ? $$.legendOpacityForHidden : 1;
};
c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
var $$ = this;
return legendItem.classed(CLASS.legendItemHidden) ? $$.legendOpacityForHidden : 0.3;
};
c3_chart_internal_fn.toggleFocusLegend = function (id, focus) {
var $$ = this;
$$.legend.selectAll('.' + CLASS.legendItem)
.transition().duration(100)
.style('opacity', function (_id) {
var This = $$.d3.select(this);
if (id && _id !== id) {
return focus ? $$.opacityForUnfocusedLegend(This) : $$.opacityForLegend(This);
} else {
return focus ? $$.opacityForLegend(This) : $$.opacityForUnfocusedLegend(This);
}
});
};
c3_chart_internal_fn.revertLegend = function () {
var $$ = this, d3 = $$.d3;
$$.legend.selectAll('.' + CLASS.legendItem)
.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');
}
$$.removeHiddenLegendIds(targetIds);
$$.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($$.selectorLegends(targetIds))
.style('opacity', 0)
.style('visibility', 'hidden');
};
c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
var $$ = this, config = $$.config;
var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect;
var paddingTop = 4, paddingRight = 36, maxWidth = 0, maxHeight = 0, posMin = 10;
var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;
var withTransition, withTransitionForTransform;
var hasFocused = $$.legend.selectAll('.' + CLASS.legendItemFocused).size();
var texts, rects, tiles;
options = options || {};
withTransition = getOption(options, "withTransition", true);
withTransitionForTransform = getOption(options, "withTransitionForTransform", true);
function updatePositions(textElement, id, reset) {
var box = $$.getTextRect(textElement.textContent, CLASS.legendItem),
itemWidth = Math.ceil((box.width + paddingRight) / 10) * 10,
itemHeight = Math.ceil((box.height + paddingTop) / 10) * 10,
itemLength = $$.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 || $$.isLegendInset ? maxHeight : maxWidth;
if (config.legend_equally) {
Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; });
Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; });
margin = (areaLength - maxLength * targetIds.length) / 2;
if (margin < posMin) {
totalLength = 0;
step = 0;
targetIds.forEach(function (id) { updateValues(id); });
}
else {
updateValues(id, true);
}
} else {
updateValues(id);
}
}
if ($$.isLegendRight) {
xForLegend = function (id) { return maxWidth * steps[id]; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else if ($$.isLegendInset) {
xForLegend = function (id) { return maxWidth * steps[id] + 10; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else {
xForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
yForLegend = function (id) { return maxHeight * steps[id]; };
}
xForLegendText = function (id, i) { return xForLegend(id, i) + 14; };
yForLegendText = function (id, i) { return yForLegend(id, i) + 9; };
xForLegendRect = function (id, i) { return xForLegend(id, i) - 4; };
yForLegendRect = function (id, i) { return yForLegend(id, i) - 7; };
// Define g for legend area
l = $$.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) {
config.legend_item_onclick ? config.legend_item_onclick.call($$, id) : $$.api.toggle(id);
})
.on('mouseover', function (id) {
$$.d3.select(this).classed(CLASS.legendItemFocused, true);
if (!$$.transiting) {
$$.api.focus(id);
}
if (config.legend_item_onmouseover) {
config.legend_item_onmouseover.call($$, id);
}
})
.on('mouseout', function (id) {
$$.d3.select(this).classed(CLASS.legendItemFocused, false);
if (!$$.transiting) {
$$.api.revert();
}
if (config.legend_item_onmouseout) {
config.legend_item_onmouseout.call($$, 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 === 0); })
.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 || $$.isLegendInset ? -200 : yForLegend)
.attr('width', 10)
.attr('height', 10);
// Set background for inset legend
if ($$.isLegendInset && maxWidth !== 0) {
$$.legend.insert('g', '.' + CLASS.legendItem)
.attr("class", CLASS.legendBackground)
.append('rect')
.attr('height', $$.getLegendHeight() - 10)
.attr('width', maxWidth * (step + 1) + 10);
}
texts = $$.legend.selectAll('text')
.data(targetIds)
.text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update
.each(function (id, i) { updatePositions(this, id, i === 0); });
(withTransition ? texts.transition() : texts)
.attr('x', xForLegendText)
.attr('y', yForLegendText);
rects = $$.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);
// toggle legend state
$$.legend.selectAll('.' + CLASS.legendItem)
.classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); })
.transition()
.style('opacity', function (id) {
var This = $$.d3.select(this);
if ($$.isTargetToShow(id)) {
return !hasFocused || This.classed(CLASS.legendItemFocused) ? $$.opacityForLegend(This) : $$.opacityForUnfocusedLegend(This);
} else {
return $$.legendOpacityForHidden;
}
});
// Update all to reflect change of legend
$$.updateLegendItemWidth(maxWidth);
$$.updateLegendItemHeight(maxHeight);
$$.updateLegendStep(step);
// Update size and scale
$$.updateSizes();
$$.updateScales();
$$.updateSvgSize();
// Update g positions
$$.transformAll(withTransitionForTransform, transitions);
};
c3_chart_internal_fn.initAxis = function () {
var $$ = this, config = $$.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');
$$.axes.x.append("text")
.attr("class", CLASS.axisXLabel)
.attr("transform", config.axis_rotated ? "rotate(-90)" : "")
.style("text-anchor", $$.textAnchorForXAxisLabel.bind($$));
$$.axes.y = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisY)
.attr("clip-path", $$.clipPathForYAxis)
.attr("transform", $$.getTranslate('y'))
.style("visibility", config.axis_y_show ? 'visible' : 'hidden');
$$.axes.y.append("text")
.attr("class", CLASS.axisYLabel)
.attr("transform", config.axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", $$.textAnchorForYAxisLabel.bind($$));
$$.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", $$.textAnchorForY2AxisLabel.bind($$));
};
c3_chart_internal_fn.getXAxis = function (scale, orient, tickFormat, tickValues) {
var $$ = this, config = $$.config,
axis = c3_axis($$.d3, $$.isCategorized()).scale(scale).orient(orient);
// Set tick
axis.tickFormat(tickFormat).tickValues(tickValues);
if ($$.isCategorized()) {
axis.tickCentered(config.axis_x_tick_centered);
if (isEmpty(config.axis_x_tick_culling)) {
config.axis_x_tick_culling = false;
}
} else {
// TODO: move this to c3_axis
axis.tickOffset = function () {
var edgeX = $$.getEdgeX($$.data.targets), diff = $$.x(edgeX[1]) - $$.x(edgeX[0]),
base = diff ? diff : (config.axis_rotated ? $$.height : $$.width);
return (base / $$.getMaxDataCount()) / 2;
};
}
return axis;
};
c3_chart_internal_fn.getYAxis = function (scale, orient, tickFormat, ticks) {
return c3_axis(this.d3).scale(scale).orient(orient).tickFormat(tickFormat).ticks(ticks);
};
c3_chart_internal_fn.getAxisId = function (id) {
var config = this.config;
return id in config.data_axes ? config.data_axes[id] : 'y';
};
c3_chart_internal_fn.getXAxisTickFormat = function () {
var $$ = this, config = $$.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($$, v); } : format;
};
c3_chart_internal_fn.getAxisLabelOptionByAxisId = function (axisId) {
var $$ = this, config = $$.config, option;
if (axisId === 'y') {
option = config.axis_y_label;
} else if (axisId === 'y2') {
option = config.axis_y2_label;
} else if (axisId === 'x') {
option = config.axis_x_label;
}
return option;
};
c3_chart_internal_fn.getAxisLabelText = function (axisId) {
var option = this.getAxisLabelOptionByAxisId(axisId);
return isString(option) ? option : option ? option.text : null;
};
c3_chart_internal_fn.setAxisLabelText = function (axisId, text) {
var $$ = this, config = $$.config,
option = $$.getAxisLabelOptionByAxisId(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;
}
};
c3_chart_internal_fn.getAxisLabelPosition = function (axisId, defaultPosition) {
var option = this.getAxisLabelOptionByAxisId(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
};
};
c3_chart_internal_fn.getXAxisLabelPosition = function () {
return this.getAxisLabelPosition('x', this.config.axis_rotated ? 'inner-top' : 'inner-right');
};
c3_chart_internal_fn.getYAxisLabelPosition = function () {
return this.getAxisLabelPosition('y', this.config.axis_rotated ? 'inner-right' : 'inner-top');
};
c3_chart_internal_fn.getY2AxisLabelPosition = function () {
return this.getAxisLabelPosition('y2', this.config.axis_rotated ? 'inner-right' : 'inner-top');
};
c3_chart_internal_fn.getAxisLabelPositionById = function (id) {
return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
};
c3_chart_internal_fn.textForXAxisLabel = function () {
return this.getAxisLabelText('x');
};
c3_chart_internal_fn.textForYAxisLabel = function () {
return this.getAxisLabelText('y');
};
c3_chart_internal_fn.textForY2AxisLabel = function () {
return this.getAxisLabelText('y2');
};
c3_chart_internal_fn.xForAxisLabel = function (forHorizontal, position) {
var $$ = this;
if (forHorizontal) {
return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
} else {
return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
}
};
c3_chart_internal_fn.dxForAxisLabel = function (forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
} else {
return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
}
};
c3_chart_internal_fn.textAnchorForAxisLabel = function (forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
} else {
return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
}
};
c3_chart_internal_fn.xForXAxisLabel = function () {
return this.xForAxisLabel(!this.config.axis_rotated, this.getXAxisLabelPosition());
};
c3_chart_internal_fn.xForYAxisLabel = function () {
return this.xForAxisLabel(this.config.axis_rotated, this.getYAxisLabelPosition());
};
c3_chart_internal_fn.xForY2AxisLabel = function () {
return this.xForAxisLabel(this.config.axis_rotated, this.getY2AxisLabelPosition());
};
c3_chart_internal_fn.dxForXAxisLabel = function () {
return this.dxForAxisLabel(!this.config.axis_rotated, this.getXAxisLabelPosition());
};
c3_chart_internal_fn.dxForYAxisLabel = function () {
return this.dxForAxisLabel(this.config.axis_rotated, this.getYAxisLabelPosition());
};
c3_chart_internal_fn.dxForY2AxisLabel = function () {
return this.dxForAxisLabel(this.config.axis_rotated, this.getY2AxisLabelPosition());
};
c3_chart_internal_fn.dyForXAxisLabel = function () {
var $$ = this, config = $$.config,
position = $$.getXAxisLabelPosition();
if (config.axis_rotated) {
return position.isInner ? "1.2em" : -25 - $$.getMaxTickWidth('x');
} else {
return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em";
}
};
c3_chart_internal_fn.dyForYAxisLabel = function () {
var $$ = this,
position = $$.getYAxisLabelPosition();
if ($$.config.axis_rotated) {
return position.isInner ? "-0.5em" : "3em";
} else {
return position.isInner ? "1.2em" : -20 - $$.getMaxTickWidth('y');
}
};
c3_chart_internal_fn.dyForY2AxisLabel = function () {
var $$ = this,
position = $$.getY2AxisLabelPosition();
if ($$.config.axis_rotated) {
return position.isInner ? "1.2em" : "-2.2em";
} else {
return position.isInner ? "-0.5em" : 30 + this.getMaxTickWidth('y2');
}
};
c3_chart_internal_fn.textAnchorForXAxisLabel = function () {
var $$ = this;
return $$.textAnchorForAxisLabel(!$$.config.axis_rotated, $$.getXAxisLabelPosition());
};
c3_chart_internal_fn.textAnchorForYAxisLabel = function () {
var $$ = this;
return $$.textAnchorForAxisLabel($$.config.axis_rotated, $$.getYAxisLabelPosition());
};
c3_chart_internal_fn.textAnchorForY2AxisLabel = function () {
var $$ = this;
return $$.textAnchorForAxisLabel($$.config.axis_rotated, $$.getY2AxisLabelPosition());
};
c3_chart_internal_fn.xForRotatedTickText = function (r) {
return 10 * Math.sin(Math.PI * (r / 180));
};
c3_chart_internal_fn.yForRotatedTickText = function (r) {
return 11.5 - 2.5 * (r / 15);
};
c3_chart_internal_fn.rotateTickText = function (axis, transition, rotate) {
axis.selectAll('.tick text')
.style("text-anchor", "start");
transition.selectAll('.tick text')
.attr("y", this.yForRotatedTickText(rotate))
.attr("x", this.xForRotatedTickText(rotate))
.attr("transform", "rotate(" + rotate + ")");
};
c3_chart_internal_fn.getMaxTickWidth = function (id) {
var $$ = this, config = $$.config,
maxWidth = 0, targetsToShow, scale, axis;
if ($$.svg) {
targetsToShow = $$.filterTargetsToShow($$.data.targets);
if (id === 'y') {
scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
axis = $$.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, config.axis_y_ticks);
} else if (id === 'y2') {
scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
axis = $$.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, config.axis_y2_ticks);
} else {
scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
axis = $$.getXAxis(scale, $$.xOrient, $$.getXAxisTickFormat(), config.axis_x_tick_values ? config.axis_x_tick_values : $$.xAxis.tickValues());
}
$$.main.append("g").call(axis).each(function () {
$$.d3.select(this).selectAll('text').each(function () {
var box = this.getBoundingClientRect();
if (maxWidth < box.width) { maxWidth = box.width; }
});
}).remove();
}
$$.currentMaxTickWidth = maxWidth <= 0 ? $$.currentMaxTickWidth : maxWidth;
return $$.currentMaxTickWidth;
};
c3_chart_internal_fn.updateAxisLabels = function (withTransition) {
var $$ = this;
var axisXLabel = $$.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", $$.xForXAxisLabel.bind($$))
.attr("dx", $$.dxForXAxisLabel.bind($$))
.attr("dy", $$.dyForXAxisLabel.bind($$))
.text($$.textForXAxisLabel.bind($$));
(withTransition ? axisYLabel.transition() : axisYLabel)
.attr("x", $$.xForYAxisLabel.bind($$))
.attr("dx", $$.dxForYAxisLabel.bind($$))
.attr("dy", $$.dyForYAxisLabel.bind($$))
.text($$.textForYAxisLabel.bind($$));
(withTransition ? axisY2Label.transition() : axisY2Label)
.attr("x", $$.xForY2AxisLabel.bind($$))
.attr("dx", $$.dxForY2AxisLabel.bind($$))
.attr("dy", $$.dyForY2AxisLabel.bind($$))
.text($$.textForY2AxisLabel.bind($$));
};
c3_chart_internal_fn.getAxisPadding = function (padding, key, defaultValue, all) {
var ratio = padding.unit === 'ratio' ? all : 1;
return isValue(padding[key]) ? padding[key] * ratio : defaultValue;
};
c3_chart_internal_fn.generateTickValues = function (xs, tickCount) {
var $$ = this;
var tickValues = xs, targetCount, start, end, count, interval, i, tickValue;
if (tickCount) {
targetCount = isFunction(tickCount) ? tickCount() : tickCount;
// compute ticks according to $$.config.axis_x_tick_count
if (targetCount === 1) {
tickValues = [xs[0]];
} else if (targetCount === 2) {
tickValues = [xs[0], xs[xs.length - 1]];
} else if (targetCount > 2) {
count = targetCount - 2;
start = xs[0];
end = xs[xs.length - 1];
interval = (end - start) / (count + 1);
// re-construct uniqueXs
tickValues = [start];
for (i = 0; i < count; i++) {
tickValue = +start + interval * (i + 1);
tickValues.push($$.isTimeSeries() ? new Date(tickValue) : tickValue);
}
tickValues.push(end);
}
}
if (!$$.isTimeSeries()) { tickValues = tickValues.sort(function (a, b) { return a - b; }); }
return tickValues;
};
c3_chart_internal_fn.generateAxisTransitions = function (duration) {
var $$ = this, axes = $$.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
};
};
c3_chart_internal_fn.redrawAxis = function (transitions, isHidden) {
var $$ = this;
$$.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($$.subXAxis);
};
c3_chart_internal_fn.getClipPath = function (id) {
var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
};
c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
// axis line width + padding for left
return forHorizontal ? -(1 + 30) : -(this.margin.left - 1);
};
c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
return forHorizontal ? -20 : -4;
};
c3_chart_internal_fn.getXAxisClipX = function () {
var $$ = 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 $$.getAxisClipX($$.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;
// width + axis line width + padding for left/right
return forHorizontal ? $$.width + 2 + 30 + 30 : $$.margin.left + 20;
};
c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
var $$ = this, config = $$.config;
return forHorizontal ? (config.axis_x_height ? config.axis_x_height : 0) + 80 : $$.height + 8;
};
c3_chart_internal_fn.getXAxisClipWidth = function () {
var $$ = 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);
};
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;
$$.pie = d3.layout.pie().value(function (d) {
return d.values.reduce(function (a, b) { return a + b.value; }, 0);
});
if (!config.data_order || !config.pie_sort || !config.donut_sort) {
$$.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;
$$.pie($$.filterTargetsToShow($$.data.targets)).sort($$.descByStartAngle).forEach(function (t) {
if (! found && t.data.id === d.data.id) {
found = true;
d = t;
d.index = index;
}
index++;
});
if (isNaN(d.endAngle)) {
d.endAngle = d.startAngle;
}
if ($$.isGaugeType(d.data)) {
var gMin = config.gauge_min, gMax = config.gauge_max,
gF = Math.abs(gMin) + gMax,
aTic = (Math.PI) / gF;
d.startAngle = (-1 * (Math.PI / 2)) + (aTic * Math.abs(gMin));
d.endAngle = d.startAngle + (aTic * ((d.value > gMax) ? gMax : d.value));
}
return found ? d : null;
};
c3_chart_internal_fn.getSvgArc = function () {
var $$ = 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 $$ = this,
updated, value, ratio, format;
if (! $$.shouldShowArcLabel()) { return ""; }
updated = $$.updateAngle(d);
value = updated ? updated.value : null;
ratio = $$.getArcRatio(updated);
if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; }
format = $$.getArcLabelFormat();
return format ? format(value, ratio) : $$.defaultArcValueFormat(value, ratio);
};
c3_chart_internal_fn.expandArc = function (id, withoutFadeOut) {
var $$ = this,
target = $$.svg.selectAll('.' + CLASS.chartArc + $$.selectorTarget(id)),
noneTargets = $$.svg.selectAll('.' + CLASS.arc).filter(function (data) { return data.data.id !== id; });
if ($$.shouldExpand(id)) {
target.selectAll('path')
.transition().duration(50)
.attr("d", $$.svgArcExpanded)
.transition().duration(100)
.attr("d", $$.svgArcExpandedSub)
.each(function (d) {
if ($$.isDonutType(d.data)) {
// callback here
}
});
}
if (!withoutFadeOut) {
noneTargets.style("opacity", 0.3);
}
};
c3_chart_internal_fn.unexpandArc = function (id) {
var $$ = this,
target = $$.svg.selectAll('.' + CLASS.chartArc + $$.selectorTarget(id));
target.selectAll('path.' + CLASS.arc)
.transition().duration(50)
.attr("d", $$.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.descByStartAngle = function (a, b) {
return a.startAngle - b.startAngle;
};
c3_chart_internal_fn.updateTargetsForArc = function (targets) {
var $$ = this, main = $$.main,
mainPieUpdate, mainPieEnter,
classChartArc = $$.classChartArc.bind($$),
classArcs = $$.classArcs.bind($$);
mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc)
.data($$.pie(targets))
.attr("class", classChartArc);
mainPieEnter = mainPieUpdate.enter().append("g")
.attr("class", classChartArc);
mainPieEnter.append('g')
.attr('class', classArcs);
mainPieEnter.append("text")
.attr("dy", $$.hasType('gauge') ? "-0.35em" : ".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 $$.color(d.data); })
.style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; })
.style("opacity", 0)
.each(function (d) {
if ($$.isGaugeType(d.data)) {
d.startAngle = d.endAngle = -1 * (Math.PI / 2);
}
this._current = d;
})
.on('mouseover', function (d) {
var updated, arcData;
if ($$.transiting) { // skip while transiting
return;
}
updated = $$.updateAngle(d);
arcData = $$.convertToArcData(updated);
// transitions
$$.expandArc(updated.data.id);
$$.toggleFocusLegend(updated.data.id, true);
$$.config.data_onmouseover(arcData, this);
})
.on('mousemove', function (d) {
var updated = $$.updateAngle(d),
arcData = $$.convertToArcData(updated),
selectedData = [arcData];
$$.showTooltip(selectedData, d3.mouse(this));
})
.on('mouseout', function (d) {
var updated, arcData;
if ($$.transiting) { // skip while transiting
return;
}
updated = $$.updateAngle(d);
arcData = $$.convertToArcData(updated);
// transitions
$$.unexpandArc(updated.data.id);
$$.revertLegend();
$$.hideTooltip();
$$.config.data_onmouseout(arcData, this);
})
.on('click', function (d, i) {
var updated, arcData;
if (!$$.toggleShape) {
return;
}
updated = $$.updateAngle(d);
arcData = $$.convertToArcData(updated);
$$.toggleShape(this, arcData, i); // onclick called in toogleShape()
});
mainArc
.attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; })
.style("opacity", function (d) { return d === this._current ? 0 : 1; })
.each(function () { $$.transiting = true; })
.transition().duration(duration)
.attrTween("d", function (d) {
var updated = $$.updateAngle(d), interpolate;
if (! updated) {
return function () { return "M 0 0"; };
}
// if (this._current === d) {
// this._current = {
// startAngle: Math.PI*2,
// endAngle: Math.PI*2,
// };
// }
if (isNaN(this._current.endAngle)) {
this._current.endAngle = this._current.startAngle;
}
interpolate = d3.interpolate(this._current, updated);
this._current = interpolate(0);
return function (t) { return $$.getArc(interpolate(t), 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", $$.transformForArcLabel.bind($$))
.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);
};
c3_chart_internal_fn.initGauge = function () {
var $$ = this, config = $$.config, arcs = $$.arcs;
if ($$.hasType('gauge')) {
arcs.append('path')
.attr("class", CLASS.chartArcsBackground)
.attr("d", function () {
var d = {
data: [{value: config.gauge_max}],
startAngle: -1 * (Math.PI / 2),
endAngle: Math.PI / 2
};
return $$.getArc(d, true, true);
});
arcs.append("text")
.attr("dy", ".75em")
.attr("class", CLASS.chartArcsGaugeUnit)
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(config.gauge_label_show ? config.gauge_units : '');
arcs.append("text")
.attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px")
.attr("dy", "1.2em")
.attr("class", CLASS.chartArcsGaugeMin)
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(config.gauge_label_show ? config.gauge_min : '');
arcs.append("text")
.attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px")
.attr("dy", "1.2em")
.attr("class", CLASS.chartArcsGaugeMax)
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(config.gauge_label_show ? config.gauge_max : '');
}
};
c3_chart_internal_fn.initRegion = function () {
var $$ = this;
$$.main.append('g')
.attr("clip-path", $$.clipPath)
.attr("class", CLASS.regions);
};
c3_chart_internal_fn.redrawRegion = function (duration) {
var $$ = this, config = $$.config;
$$.mainRegion = $$.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.addTransitionForRegion = function (transitions) {
var $$ = this,
x = $$.regionX.bind($$),
y = $$.regionY.bind($$),
w = $$.regionWidth.bind($$),
h = $$.regionHeight.bind($$);
transitions.push($$.mainRegion.selectAll('rect').transition()
.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 = $$.toggleBar;
isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
} else {
// line/area selection not supported yet
return;
}
if (isWithin ^ isIncluded) {
shape.classed(CLASS.INCLUDED, !isIncluded);
// TODO: included/unincluded callback here
shape.classed(CLASS.SELECTED, !isSelected);
toggle.call($$, !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;
$$.config.data_ondragstart();
};
c3_chart_internal_fn.dragend = function () {
var $$ = 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);
$$.dragging = false;
$$.config.data_ondragend();
};
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.selectBar = function (target, d) {
var $$ = this;
$$.config.data_onselected.call($$, d, target.node());
target.transition().duration(100)
.style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); });
};
c3_chart_internal_fn.unselectBar = function (target, d) {
var $$ = this;
$$.config.data_onunselected.call($$, d, target.node());
target.transition().duration(100)
.style("fill", function () { return $$.color(d); });
};
c3_chart_internal_fn.toggleBar = function (selected, target, d, i) {
selected ? this.selectBar(target, d, i) : this.unselectBar(target, d, i);
};
c3_chart_internal_fn.toggleArc = function (selected, target, d, i) {
this.toggleBar(selected, target, d.data, i);
};
c3_chart_internal_fn.getToggle = function (that) {
var $$ = this;
// path selection not supported yet
return that.nodeName === 'circle' ? $$.togglePoint : ($$.d3.select(that).classed(CLASS.bar) ? $$.toggleBar : $$.toggleArc);
};
c3_chart_internal_fn.toggleShape = function (that, d, i) {
var $$ = this, d3 = $$.d3, config = $$.config,
shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED), isWithin, toggle;
if (that.nodeName === 'circle') {
isWithin = $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
toggle = $$.togglePoint;
}
else if (that.nodeName === 'path') {
if (shape.classed(CLASS.bar)) {
isWithin = $$.isWithinBar(that);
toggle = $$.toggleBar;
} else { // would be arc
isWithin = true;
toggle = $$.toggleArc;
}
}
if (config.data_selection_grouped || isWithin) {
if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
if (!config.data_selection_multiple) {
$$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.select(this);
if (shape.classed(CLASS.SELECTED)) { toggle.call($$, false, shape.classed(CLASS.SELECTED, false), d, i); }
});
}
shape.classed(CLASS.SELECTED, !isSelected);
toggle.call($$, !isSelected, shape, d, i);
}
$$.config.data_onclick.call($$.api, d, that);
}
};
c3_chart_internal_fn.initBrush = function () {
var $$ = 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", $$.getTranslate('context'));
if (!config.subchart_show) {
context.style('visibility', 'hidden');
}
// Define g for chart area
context.append('g')
.attr("clip-path", $$.clipPath)
.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)
.selectAll("rect")
.attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
// 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) {
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);
}
};
c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
var $$ = this, d3 = $$.d3, context = $$.context, config = $$.config,
contextLine, contextArea, contextBar, drawAreaOnSub, drawBarOnSub, drawLineOnSub,
barData = $$.barData.bind($$),
lineData = $$.lineData.bind($$),
classBar = $$.classBar.bind($$),
classLine = $$.classLine.bind($$),
classArea = $$.classArea.bind($$),
initialOpacity = $$.initialOpacity.bind($$);
// 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) {
// rotate tick text if needed
if (!config.axis_rotated && config.axis_x_tick_rotate) {
$$.rotateTickText($$.axes.subx, transitions.axisSubX, config.axis_x_tick_rotate);
}
// 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);
// bars
contextBar = context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
.data(barData);
contextBar.enter().append('path')
.attr("class", classBar)
.style("stroke", 'none')
.style("fill", $$.color);
contextBar
.style("opacity", initialOpacity)
.transition().duration(duration)
.attr('d', drawBarOnSub)
.style('opacity', 1);
contextBar.exit().transition().duration(duration)
.style('opacity', 0)
.remove();
// lines
contextLine = context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
.data(lineData);
contextLine.enter().append('path')
.attr('class', classLine)
.style('stroke', $$.color);
contextLine
.style("opacity", initialOpacity)
.transition().duration(duration)
.attr("d", drawLineOnSub)
.style('opacity', 1);
contextLine.exit().transition().duration(duration)
.style('opacity', 0)
.remove();
// area
contextArea = context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
.data(lineData);
contextArea.enter().append('path')
.attr("class", classArea)
.style("fill", $$.color)
.style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
contextArea
.style("opacity", 0)
.transition().duration(duration)
.attr("d", drawAreaOnSub)
.style("fill", $$.color)
.style("opacity", $$.orgAreaOpacity);
contextArea.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
}
}
};
c3_chart_internal_fn.redrawForBrush = function () {
var $$ = this, x = $$.x;
$$.redraw({
withTransition: false,
withY: false,
withSubchart: false,
withUpdateXDomain: true
});
$$.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.initZoom = function () {
var $$ = this, d3 = $$.d3, config = $$.config;
$$.zoom = d3.behavior.zoom()
.on("zoomstart", function () {
$$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
})
.on("zoom", function () { $$.redrawForZoom.call($$); });
$$.zoom.scale = function (scale) {
return config.axis_rotated ? this.y(scale) : this.x(scale);
};
$$.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);
$$.main.selectAll('.' + CLASS.eventRect).call(z);
};
c3_chart_internal_fn.redrawForZoom = function () {
var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x, orgXDomain = $$.orgXDomain;
if (!config.zoom_enabled) {
return;
}
if ($$.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]]);
}
$$.redraw({
withTransition: false,
withY: false,
withSubchart: false
});
if (d3.event.sourceEvent.type === 'mousemove') {
$$.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, 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 : $$.y2Format;
return function (v, ratio, id) {
var format = $$.getAxisId(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 : $$.defaultValueFormat;
return format(v);
};
c3_chart_internal_fn.defaultValueFormat = function (v) {
return isValue(v) ? +v : "";
};
c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
return (ratio * 100).toFixed(1) + '%';
};
c3_chart_internal_fn.formatByAxisId = function (axisId) {
var $$ = this, data_labels = $$.config.data_labels,
format = 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[axisId]) {
format = data_labels.format[axisId];
}
}
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',
region: 'c3-region',
regions: 'c3-regions',
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',
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.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 ? targetId.replace(/([^a-zA-Z0-9-_])/g, '-') : targetId) : '';
};
c3_chart_internal_fn.selectorTarget = function (id) {
return '.' + CLASS.target + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorTargets = function (ids) {
var $$ = this;
return ids.length ? ids.map(function (id) { return $$.selectorTarget(id); }) : null;
};
c3_chart_internal_fn.selectorLegend = function (id) {
return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorLegends = function (ids) {
var $$ = this;
return ids.length ? ids.map(function (id) { return $$.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 (targetId) {
var $$ = this.internal,
candidates = $$.svg.selectAll($$.selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter($$.isNoneArc.bind($$)),
candidatesForArc = candidates.filter($$.isArc.bind($$));
function focus(targets) {
$$.filterTargetsToShow(targets).transition().duration(100).style('opacity', 1);
}
this.revert();
this.defocus();
focus(candidatesForNoneArc.classed(CLASS.focused, true));
focus(candidatesForArc);
if ($$.hasArcType()) {
$$.expandArc(targetId, true);
}
$$.toggleFocusLegend(targetId, true);
};
c3_chart_fn.defocus = function (targetId) {
var $$ = this.internal,
candidates = $$.svg.selectAll($$.selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter($$.isNoneArc.bind($$)),
candidatesForArc = candidates.filter($$.isArc.bind($$));
function defocus(targets) {
$$.filterTargetsToShow(targets).transition().duration(100).style('opacity', 0.3);
}
this.revert();
defocus(candidatesForNoneArc.classed(CLASS.focused, false));
defocus(candidatesForArc);
if ($$.hasArcType()) {
$$.unexpandArc(targetId);
}
$$.toggleFocusLegend(targetId, false);
};
c3_chart_fn.revert = function (targetId) {
var $$ = this.internal,
candidates = $$.svg.selectAll($$.selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter($$.isNoneArc.bind($$)),
candidatesForArc = candidates.filter($$.isArc.bind($$));
function revert(targets) {
$$.filterTargetsToShow(targets).transition().duration(100).style('opacity', 1);
}
revert(candidatesForNoneArc.classed(CLASS.focused, false));
revert(candidatesForArc);
if ($$.hasArcType()) {
$$.unexpandArc(targetId);
}
$$.revertLegend();
};
c3_chart_fn.show = function (targetIds, options) {
var $$ = this.internal;
targetIds = $$.mapToTargetIds(targetIds);
options = options || {};
$$.removeHiddenTargetIds(targetIds);
$$.svg.selectAll($$.selectorTargets(targetIds))
.transition()
.style('opacity', 1);
if (options.withLegend) {
$$.showLegend(targetIds);
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3_chart_fn.hide = function (targetIds, options) {
var $$ = this.internal;
targetIds = $$.mapToTargetIds(targetIds);
options = options || {};
$$.addHiddenTargetIds(targetIds);
$$.svg.selectAll($$.selectorTargets(targetIds))
.transition()
.style('opacity', 0);
if (options.withLegend) {
$$.hideLegend(targetIds);
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3_chart_fn.toggle = function (targetId) {
var $$ = this.internal;
$$.isTargetToShow(targetId) ? this.hide(targetId) : this.show(targetId);
};
c3_chart_fn.zoom = function () {
};
c3_chart_fn.zoom.enable = function (enabled) {
var $$ = 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 && $$.isCategorized()) {
config.axis_x_categories = args.categories;
}
// use cache if exists
if ('cacheIds' in args && $$.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 $$ = this.internal;
args = args || {};
$$.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, 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, 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,
});
};
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 = $$.mainCircle || d3.selectAll([]);
// remove head data after rendered
$$.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) - $$.x(flowEnd.x));
}
}
scaleX = (diffDomain(orgDomain) / diffDomain(domain));
transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';
d3.transition().ease('linear').duration(durationForFlow).each(function () {
wait.add($$.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", $$.regionWidth.bind($$));
$$.updateEventRect();
// callback for end of flow
done();
});
};
};
c3_chart_fn.selected = function (targetId) {
var $$ = 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).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).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;
$$.setTargetType(targetIds, type);
$$.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 = $$.config;
if (! grids) { return config.grid_x_lines; }
config.grid_x_lines = grids;
$$.redraw();
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;
$$.redraw();
return config.grid_y_lines;
};
c3_chart_fn.ygrids.add = function (grids) {
var $$ = 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 = $$.config;
if (!regions) { return config.regions; }
config.regions = regions;
$$.redraw();
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);
$$.redraw();
return config.regions;
};
c3_chart_fn.regions.remove = function (options) {
var $$ = 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 () {};
c3_chart_fn.data.get = function (targetId) {
var target = this.data.getAsTarget(targetId);
return isDefined(target) ? target.values.map(function (d) { return d.value; }) : undefined;
};
c3_chart_fn.data.getAsTarget = function (targetId) {
var targets = this.data.targets.filter(function (t) { return t.id === targetId; });
return targets.length > 0 ? targets[0] : undefined;
};
c3_chart_fn.data.names = function (names) {
var $$ = this.internal, config = $$.config;
if (!arguments.length) { return config.data_names; }
Object.keys(names).forEach(function (id) {
config.data_names[id] = names[id];
});
$$.redraw({withLegend: true});
return config.data_names;
};
c3_chart_fn.data.colors = function (colors) {
var $$ = this.internal, config = $$.config;
if (!arguments.length) { return config.data_colors; }
Object.keys(colors).forEach(function (id) {
config.data_colors[id] = colors[id];
});
$$.redraw({withLegend: true});
return config.data_colors;
};
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 $$ = this.internal;
if (arguments.length) {
Object.keys(labels).forEach(function (axisId) {
$$.setAxisLabelText(axisId, labels[axisId]);
});
$$.updateAxisLabels();
}
// TODO: return some values?
};
c3_chart_fn.axis.max = function (max) {
var $$ = 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});
}
};
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;
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
};
c3_chart_fn.axis.range = function (range) {
if (arguments.length) {
if (isDefined(range.max)) { this.axis.max(range.max); }
if (isDefined(range.min)) { this.axis.min(range.min); }
}
};
c3_chart_fn.legend = function () {};
c3_chart_fn.legend.show = function (targetIds) {
var $$ = 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;
$$.data.targets = undefined;
$$.data.xs = {};
$$.selectChart.classed('c3', false).html("");
window.onresize = null;
};
// Features:
// 1. category axis
// 2. ceil values of translate/x/y to int for half pixel antialiasing
function c3_axis(d3, isCategory) {
var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickValues = null, tickFormat, tickArguments;
var tickOffset = 0, tickCulling = true, tickCentered;
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 (isCategory) {
domain = scale.domain();
newScale.domain([domain[0], domain[1] - 1]);
}
return newScale;
}
function textFormatted(v) {
return tickFormat ? tickFormat(v) : v;
}
function axis(g) {
g.each(function () {
var 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 = d3.transition(tick).style("opacity", 1),
tickTransform, tickX;
var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
path = g.selectAll(".domain").data([ 0 ]),
pathUpdate = (path.enter().append("path").attr("class", "domain"), d3.transition(path));
tickEnter.append("line");
tickEnter.append("text");
var lineEnter = tickEnter.select("line"),
lineUpdate = tickUpdate.select("line"),
text = tick.select("text").text(textFormatted),
textEnter = tickEnter.select("text"),
textUpdate = tickUpdate.select("text");
if (isCategory) {
tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
tickX = tickCentered ? 0 : tickOffset;
} else {
tickOffset = tickX = 0;
}
function tickSize(d) {
var tickPosition = scale(d) + tickOffset;
return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
}
switch (orient) {
case "bottom":
{
tickTransform = axisX;
lineEnter.attr("y2", innerTickSize);
textEnter.attr("y", Math.max(innerTickSize, 0) + tickPadding);
lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
textUpdate.attr("x", 0).attr("y", Math.max(innerTickSize, 0) + tickPadding);
text.attr("dy", ".71em").style("text-anchor", "middle");
pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
break;
}
case "top":
{
tickTransform = axisX;
lineEnter.attr("y2", -innerTickSize);
textEnter.attr("y", -(Math.max(innerTickSize, 0) + tickPadding));
lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
textUpdate.attr("x", 0).attr("y", -(Math.max(innerTickSize, 0) + tickPadding));
text.attr("dy", "0em").style("text-anchor", "middle");
pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
break;
}
case "left":
{
tickTransform = axisY;
lineEnter.attr("x2", -innerTickSize);
textEnter.attr("x", -(Math.max(innerTickSize, 0) + tickPadding));
lineUpdate.attr("x2", -innerTickSize).attr("y2", 0);
textUpdate.attr("x", -(Math.max(innerTickSize, 0) + tickPadding)).attr("y", tickOffset);
text.attr("dy", ".32em").style("text-anchor", "end");
pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
break;
}
case "right":
{
tickTransform = axisY;
lineEnter.attr("x2", innerTickSize);
textEnter.attr("x", Math.max(innerTickSize, 0) + tickPadding);
lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
textUpdate.attr("x", Math.max(innerTickSize, 0) + tickPadding).attr("y", 0);
text.attr("dy", ".32em").style("text-anchor", "start");
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 () { // This will be overwritten when normal x axis
return tickOffset;
};
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;
}
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);
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