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c3.js
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(function (window) {
'use strict';
var c3 = {
version: "0.1.32"
};
var 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',
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',
bar: 'c3-bar',
bars: 'c3-bars',
circle: 'c3-circle',
circles: 'c3-circles',
arc: 'c3-arc',
area: 'c3-area',
text: 'c3-text',
texts: 'c3-texts',
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',
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',
legendItem: 'c3-legend-item',
legendItemEvent: 'c3-legend-item-event',
legendItemTile: 'c3-legend-item-tile',
legendItemHidden: 'c3-legend-item-hidden',
dragarea: 'c3-dragarea',
EXPANDED: '_expanded_',
SELECTED: '_selected_',
INCLUDED: '_included_',
};
/*
* Generate chart according to config
*/
c3.generate = function (config) {
var d3 = window.d3 ? window.d3 : window.require ? window.require("d3") : undefined;
var c3 = { data : {}, axis: {}, legend: {} },
cache = {};
/*-- Handle Config --*/
function checkConfig(key, message) {
if (! (key in config)) { throw Error(message); }
}
function getConfig(keys, defaultValue) {
var target = config, i, isLast, nextTarget;
for (i = 0; i < keys.length; i++) {
// return default if key not found
if (typeof target === 'object' && !(keys[i] in target)) { return defaultValue; }
// Check next key's value
isLast = (i === keys.length - 1);
nextTarget = target[keys[i]];
if ((!isLast && typeof nextTarget !== 'object') || (isLast && typeof defaultValue !== 'object' && typeof nextTarget === 'object' && nextTarget !== null)) {
return defaultValue;
}
target = nextTarget;
}
return target;
}
// bindto - id to bind the chart
var __bindto = getConfig(['bindto'], '#chart');
var __size_width = getConfig(['size', 'width']),
__size_height = getConfig(['size', 'height']);
var __padding_left = getConfig(['padding', 'left']),
__padding_right = getConfig(['padding', 'right']);
var __zoom_enabled = getConfig(['zoom', 'enabled'], false),
__zoom_extent = getConfig(['zoom', 'extent']),
__zoom_privileged = getConfig(['zoom', 'privileged'], false);
var __onenter = getConfig(['onenter'], function () {}),
__onleave = getConfig(['onleave'], function () {}),
__onresize = getConfig(['onresize'], function () {}),
__onresized = getConfig(['onresized'], function () {});
var __transition_duration = getConfig(['transition', 'duration'], 350);
// data - data configuration
checkConfig('data', 'data is required in config');
var __data_x = getConfig(['data', 'x']),
__data_xs = getConfig(['data', 'xs'], {}),
__data_x_format = getConfig(['data', 'x_format']),
__data_id_converter = getConfig(['data', 'id_converter'], function (id) { return id; }),
__data_names = getConfig(['data', 'names'], {}),
__data_classes = getConfig(['data', 'classes'], {}),
__data_groups = getConfig(['data', 'groups'], []),
__data_axes = getConfig(['data', 'axes'], {}),
__data_type = getConfig(['data', 'type']),
__data_types = getConfig(['data', 'types'], {}),
__data_labels = getConfig(['data', 'labels'], {}),
__data_order = getConfig(['data', 'order']),
__data_regions = getConfig(['data', 'regions'], {}),
__data_color = getConfig(['data', 'color']),
__data_colors = getConfig(['data', 'colors'], {}),
__data_selection_enabled = getConfig(['data', 'selection', 'enabled'], false),
__data_selection_grouped = getConfig(['data', 'selection', 'grouped'], false),
__data_selection_isselectable = getConfig(['data', 'selection', 'isselectable'], function () { return true; }),
__data_selection_multiple = getConfig(['data', 'selection', 'multiple'], true),
__data_onclick = getConfig(['data', 'onclick'], function () {}),
__data_onenter = getConfig(['data', 'onenter'], function () {}),
__data_onleave = getConfig(['data', 'onleave'], function () {}),
__data_onselected = getConfig(['data', 'onselected'], function () {}),
__data_onunselected = getConfig(['data', 'onunselected'], function () {}),
__data_ondragstart = getConfig(['data', 'ondragstart'], function () {}),
__data_ondragend = getConfig(['data', 'ondragend'], function () {});
// subchart
var __subchart_show = getConfig(['subchart', 'show'], false),
__subchart_size_height = getConfig(['subchart', 'size', 'height'], 60);
// color
var __color_pattern = getConfig(['color', 'pattern'], []);
// legend
var __legend_show = getConfig(['legend', 'show'], true),
__legend_position = getConfig(['legend', 'position'], 'bottom'),
__legend_item_onclick = getConfig(['legend', 'item', 'onclick']),
__legend_item_onmouseover = getConfig(['legend', 'item', 'onmouseover']),
__legend_item_onmouseout = getConfig(['legend', 'item', 'onmouseout']),
__legend_equally = getConfig(['legend', 'equally'], false);
// axis
var __axis_rotated = getConfig(['axis', 'rotated'], false),
__axis_x_show = getConfig(['axis', 'x', 'show'], true),
__axis_x_type = getConfig(['axis', 'x', 'type'], 'indexed'),
__axis_x_localtime = getConfig(['axis', 'x', 'localtime'], true),
__axis_x_categories = getConfig(['axis', 'x', 'categories'], []),
__axis_x_tick_centered = getConfig(['axis', 'x', 'tick', 'centered'], false),
__axis_x_tick_format = getConfig(['axis', 'x', 'tick', 'format']),
__axis_x_tick_culling = getConfig(['axis', 'x', 'tick', 'culling'], {}),
__axis_x_tick_culling_max = getConfig(['axis', 'x', 'tick', 'culling', 'max'], 10),
__axis_x_tick_count = getConfig(['axis', 'x', 'tick', 'count']),
__axis_x_tick_fit = getConfig(['axis', 'x', 'tick', 'fit'], true),
__axis_x_tick_values = getConfig(['axis', 'x', 'tick', 'values'], null),
__axis_x_tick_rotate = getConfig(['axis', 'x', 'tick', 'rotate']),
__axis_x_max = getConfig(['axis', 'x', 'max'], null),
__axis_x_min = getConfig(['axis', 'x', 'min'], null),
__axis_x_padding = getConfig(['axis', 'x', 'padding'], {}),
__axis_x_height = getConfig(['axis', 'x', 'height']),
__axis_x_default = getConfig(['axis', 'x', 'default']),
__axis_x_label = getConfig(['axis', 'x', 'label'], {}),
__axis_y_show = getConfig(['axis', 'y', 'show'], true),
__axis_y_max = getConfig(['axis', 'y', 'max']),
__axis_y_min = getConfig(['axis', 'y', 'min']),
__axis_y_center = getConfig(['axis', 'y', 'center']),
__axis_y_label = getConfig(['axis', 'y', 'label'], {}),
__axis_y_inner = getConfig(['axis', 'y', 'inner'], false),
__axis_y_tick_format = getConfig(['axis', 'y', 'tick', 'format']),
__axis_y_padding = getConfig(['axis', 'y', 'padding'], {}),
__axis_y_ticks = getConfig(['axis', 'y', 'ticks'], 10),
__axis_y2_show = getConfig(['axis', 'y2', 'show'], false),
__axis_y2_max = getConfig(['axis', 'y2', 'max']),
__axis_y2_min = getConfig(['axis', 'y2', 'min']),
__axis_y2_center = getConfig(['axis', 'y2', 'center']),
__axis_y2_label = getConfig(['axis', 'y2', 'label'], {}),
__axis_y2_inner = getConfig(['axis', 'y2', 'inner'], false),
__axis_y2_tick_format = getConfig(['axis', 'y2', 'tick', 'format']),
__axis_y2_padding = getConfig(['axis', 'y2', 'padding'], {}),
__axis_y2_ticks = getConfig(['axis', 'y2', 'ticks'], 10);
// grid
var __grid_x_show = getConfig(['grid', 'x', 'show'], false),
__grid_x_type = getConfig(['grid', 'x', 'type'], 'tick'),
__grid_x_lines = getConfig(['grid', 'x', 'lines'], []),
__grid_y_show = getConfig(['grid', 'y', 'show'], false),
// not used
// __grid_y_type = getConfig(['grid', 'y', 'type'], 'tick'),
__grid_y_lines = getConfig(['grid', 'y', 'lines'], []),
__grid_y_ticks = getConfig(['grid', 'y', 'ticks'], 10);
// point - point of each data
var __point_show = getConfig(['point', 'show'], true),
__point_r = __point_show ? getConfig(['point', 'r'], 2.5) : 0,
__point_focus_line_enabled = getConfig(['point', 'focus', 'line', 'enabled'], true),
__point_focus_expand_enabled = getConfig(['point', 'focus', 'expand', 'enabled'], true),
__point_focus_expand_r = getConfig(['point', 'focus', 'expand', 'r'], __point_focus_expand_enabled ? 4 : __point_r),
__point_select_r = getConfig(['point', 'focus', 'select', 'r'], 8);
var __line_connect_null = getConfig(['line', 'connect_null'], false);
// bar
var __bar_width = getConfig(['bar', 'width']),
__bar_width_ratio = getConfig(['bar', 'width', 'ratio'], 0.6);
// pie
var __pie_label_show = getConfig(['pie', 'label', 'show'], true),
__pie_label_format = getConfig(['pie', 'label', 'format']),
__pie_expand = getConfig(['pie', 'expand'], true),
__pie_onclick = getConfig(['pie', 'onclick'], function () {}),
__pie_onmouseover = getConfig(['pie', 'onmouseover'], function () {}),
__pie_onmouseout = getConfig(['pie', 'onmouseout'], function () {});
// donut
var __donut_label_show = getConfig(['donut', 'label', 'show'], true),
__donut_label_format = getConfig(['donut', 'label', 'format']),
__donut_expand = getConfig(['donut', 'expand'], true),
__donut_title = getConfig(['donut', 'title'], ""),
__donut_onclick = getConfig(['donut', 'onclick'], function () {}),
__donut_onmouseover = getConfig(['donut', 'onmouseover'], function () {}),
__donut_onmouseout = getConfig(['donut', 'onmouseout'], function () {});
// region - region to change style
var __regions = getConfig(['regions'], []);
// tooltip - show when mouseover on each data
var __tooltip_show = getConfig(['tooltip', 'show'], true),
__tooltip_format_title = getConfig(['tooltip', 'format', 'title']),
__tooltip_format_value = getConfig(['tooltip', 'format', 'value']),
__tooltip_contents = getConfig(['tooltip', 'contents'], function (d, defaultTitleFormat, defaultValueFormat, color) {
var titleFormat = __tooltip_format_title ? __tooltip_format_title : defaultTitleFormat,
valueFormat = __tooltip_format_value ? __tooltip_format_value : defaultValueFormat,
text, i, title, value, name;
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 = d[i].name;
value = valueFormat(d[i].value, d[i].ratio, d[i].id);
text += "<tr class='" + CLASS.tooltipName + "-" + d[i].id + "'>";
text += "<td class='name'><span style='background-color:" + color(d[i].id) + "'></span>" + name + "</td>";
text += "<td class='value'>" + value + "</td>";
text += "</tr>";
}
return text + "</table>";
}),
__tooltip_init_show = getConfig(['tooltip', 'init', 'show'], false),
__tooltip_init_x = getConfig(['tooltip', 'init', 'x'], 0),
__tooltip_init_position = getConfig(['tooltip', 'init', 'position'], {top: '0px', left: '50px'});
/*-- Set Variables --*/
var clipId = (typeof __bindto === "string" ? __bindto.replace('#', '') : __bindto.id) + '-clip',
clipIdForXAxis = clipId + '-xaxis',
clipIdForYAxis = clipId + '-yaxis',
clipPath = getClipPath(clipId),
clipPathForXAxis = getClipPath(clipIdForXAxis),
clipPathForYAxis = getClipPath(clipIdForYAxis);
var isTimeSeries = (__axis_x_type === 'timeseries'),
isCategorized = (__axis_x_type === 'categorized'),
isCustomX = !isTimeSeries && (__data_x || notEmpty(__data_xs));
var dragStart = null, dragging = false, cancelClick = false, mouseover = false, transiting = false;
var defaultColorPattern = ['#1f77b4', '#ff7f0e', '#2ca02c', '#d62728', '#9467bd', '#8c564b', '#e377c2', '#7f7f7f', '#bcbd22', '#17becf'], //same as d3.scale.category10()
color = generateColor(__data_colors, notEmpty(__color_pattern) ? __color_pattern : defaultColorPattern, __data_color);
var xTimeFormat = __axis_x_localtime ? d3.time.format : d3.time.format.utc,
defaultTimeFormat = (function () {
var formats = [
[xTimeFormat("%Y/%-m/%-d"), function () { return true; }],
[xTimeFormat("%-m/%-d"), function (d) { return d.getMonth(); }],
[xTimeFormat("%-m/%-d"), function (d) { return d.getDate() !== 1; }],
[xTimeFormat("%-m/%-d"), function (d) { return d.getDay() && d.getDate() !== 1; }],
[xTimeFormat("%I %p"), function (d) { return d.getHours(); }],
[xTimeFormat("%I:%M"), function (d) { return d.getMinutes(); }],
[xTimeFormat(":%S"), function (d) { return d.getSeconds(); }],
[xTimeFormat(".%L"), function (d) { return d.getMilliseconds(); }]
];
return function (date) {
var i = formats.length - 1, f = formats[i];
while (!f[1](date)) { f = formats[--i]; }
return f[0](date);
};
})();
var hiddenTargetIds = [], hiddenLegendIds = [];
/*-- Set Chart Params --*/
var margin, margin2, margin3, width, width2, height, height2, currentWidth, currentHeight;
var radius, radiusExpanded, innerRadius, svgArc, svgArcExpanded, svgArcExpandedSub, pie;
var xMin, xMax, yMin, yMax, subXMin, subXMax, subYMin, subYMax;
var x, y, y2, subX, subY, subY2, xAxis, yAxis, y2Axis, subXAxis;
var xOrient = __axis_rotated ? "left" : "bottom",
yOrient = __axis_rotated ? (__axis_y_inner ? "top" : "bottom") : (__axis_y_inner ? "right" : "left"),
y2Orient = __axis_rotated ? (__axis_y2_inner ? "bottom" : "top") : (__axis_y2_inner ? "left" : "right"),
subXOrient = __axis_rotated ? "left" : "bottom";
var translate = {
main : function () { return "translate(" + margin.left + "," + margin.top + ")"; },
context : function () { return "translate(" + margin2.left + "," + margin2.top + ")"; },
legend : function () { return "translate(" + margin3.left + "," + margin3.top + ")"; },
x : function () { return "translate(0," + (__axis_rotated ? 0 : height) + ")"; },
y : function () { return "translate(0," + (__axis_rotated ? height : 0) + ")"; },
y2 : function () { return "translate(" + (__axis_rotated ? 0 : width) + "," + (__axis_rotated ? 1 : 0) + ")"; },
subx : function () { return "translate(0," + (__axis_rotated ? 0 : height2) + ")"; },
arc: function () { return "translate(" + width / 2 + "," + height / 2 + ")"; }
};
var isLegendRight = __legend_position === 'right';
var legendStep = 0, legendItemWidth = 0, legendItemHeight = 0, legendOpacityForHidden = 0.15;
/*-- Define Functions --*/
function getClipPath(id) {
return "url(" + document.URL.split('#')[0] + "#" + id + ")";
}
function transformMain(withTransition, transitions) {
var duration = withTransition !== false ? 250 : 0,
xAxis = (transitions && transitions.axisX) ? transitions.axisX : main.select('.' + CLASS.axisX).transition().duration(duration),
yAxis = (transitions && transitions.axisY) ? transitions.axisY : main.select('.' + CLASS.axisY).transition().duration(duration),
y2Axis = (transitions && transitions.axisYs) ? transitions.axisY2 : main.select('.' + CLASS.axisY2).transition().duration(duration);
main.attr("transform", translate.main);
xAxis.attr("transform", translate.x);
yAxis.attr("transform", translate.y);
y2Axis.attr("transform", translate.y2);
main.select('.' + CLASS.chartArcs).attr("transform", translate.arc);
}
function transformContext(withTransition, transitions) {
var duration = withTransition !== false ? 250 : 0,
subXAxis = (transitions && transitions.axisSubX) ? transitions.axisSubX : context.select('.' + CLASS.axisX).transition().duration(duration);
context.attr("transform", translate.context);
subXAxis.attr("transform", translate.subx);
}
function transformLegend(withTransition) {
var duration = withTransition !== false ? 250 : 0;
legend.transition().duration(duration).attr("transform", translate.legend);
}
function transformAll(withTransition, transitions) {
transformMain(withTransition, transitions);
if (__subchart_show) { transformContext(withTransition, transitions); }
transformLegend(withTransition);
}
//-- Sizes --//
// TODO: configurabale
var rotated_padding_left = 30, rotated_padding_right = __axis_rotated && !__axis_x_show ? 0 : 30, rotated_padding_top = 5;
function updateSizes() {
var legendHeight = getLegendHeight(), legendWidth = getLegendWidth(),
legendHeightForBottom = isLegendRight ? 0 : legendHeight,
xAxisHeight = __axis_rotated ? 0 : getHorizontalAxisHeight('x'),
subchartHeight = __subchart_show ? (__subchart_size_height + xAxisHeight) : 0;
currentWidth = getCurrentWidth();
currentHeight = getCurrentHeight();
// for main, context
if (__axis_rotated) {
margin = {
top: getHorizontalAxisHeight('y2'),
right: getCurrentPaddingRight(),
bottom: getHorizontalAxisHeight('y') + legendHeightForBottom,
left: subchartHeight + getCurrentPaddingLeft()
};
margin2 = {
top: margin.top,
right: NaN,
bottom: 20 + legendHeightForBottom,
left: rotated_padding_left
};
} else {
margin = {
top: 4, // for top tick text
right: getCurrentPaddingRight(),
bottom: xAxisHeight + subchartHeight + legendHeightForBottom,
left: getCurrentPaddingLeft()
};
margin2 = {
top: currentHeight - subchartHeight - legendHeightForBottom,
right: NaN,
bottom: xAxisHeight + legendHeightForBottom,
left: margin.left
};
}
// for legend
margin3 = {
top: isLegendRight ? 0 : currentHeight - legendHeight,
right: NaN,
bottom: 0,
left: isLegendRight ? currentWidth - legendWidth : 0
};
width = currentWidth - margin.left - margin.right;
height = currentHeight - margin.top - margin.bottom;
if (width < 0) { width = 0; }
if (height < 0) { height = 0; }
width2 = __axis_rotated ? margin.left - rotated_padding_left - rotated_padding_right : width;
height2 = __axis_rotated ? height : currentHeight - margin2.top - margin2.bottom;
if (width2 < 0) { width2 = 0; }
if (height2 < 0) { height2 = 0; }
// for arc
updateRadius();
if (isLegendRight && hasArcType(c3.data.targets)) {
margin3.left = width / 2 + radiusExpanded;
}
}
function updateXgridFocus() {
main.select('line.' + CLASS.xgridFocus)
.attr("x1", __axis_rotated ? 0 : -10)
.attr("x2", __axis_rotated ? width : -10)
.attr("y1", __axis_rotated ? -10 : margin.top)
.attr("y2", __axis_rotated ? -10 : height);
}
function updateRadius() {
radiusExpanded = height / 2;
radius = radiusExpanded * 0.95;
innerRadius = hasDonutType(c3.data.targets) ? radius * 0.6 : 0;
}
function getSvgLeft() {
var leftAxisClass = __axis_rotated ? CLASS.axisX : CLASS.axisY,
leftAxis = main.select('.' + leftAxisClass).node(),
svgRect = leftAxis ? leftAxis.getBoundingClientRect() : {right: 0},
chartRect = d3.select(__bindto).node().getBoundingClientRect(),
svgLeft = svgRect.right - chartRect.left - getCurrentPaddingLeft();
return svgLeft > 0 ? svgLeft : 0;
}
function getCurrentWidth() {
return __size_width ? __size_width : getParentWidth();
}
function getCurrentHeight() {
var h = __size_height ? __size_height : getParentHeight();
return h > 0 ? h : 320;
}
function getCurrentPaddingLeft() {
if (hasArcType(c3.data.targets)) {
return 0;
} else if (__padding_left) {
return __padding_left;
} else if (__axis_rotated) {
return !__axis_x_show ? 1 : getAxisWidthByAxisId('x');
} else {
return !__axis_y_show || __axis_y_inner ? 1 : getAxisWidthByAxisId('y');
}
}
function getCurrentPaddingRight() {
var defaultPadding = 1;
if (hasArcType(c3.data.targets)) {
return 0;
} else if (__padding_right) {
return __padding_right;
} else if (isLegendRight) {
return getLegendWidth() + (__axis_y2_show && !__axis_rotated ? getAxisWidthByAxisId('y2') : defaultPadding);
} else if (__axis_y2_show) {
return __axis_y2_inner || __axis_rotated ? defaultPadding : getAxisWidthByAxisId('y2');
} else {
return defaultPadding;
}
}
function getAxisWidthByAxisId(id) {
var position = getAxisLabelPositionById(id);
return position.isInner ? 20 + getMaxTickWidth(id) : 40 + getMaxTickWidth(id);
}
function getHorizontalAxisHeight(axisId) {
if (axisId === 'x' && !__axis_x_show) { return 0; }
if (axisId === 'x' && __axis_x_height) { return __axis_x_height; }
if (axisId === 'y' && !__axis_y_show) { return __legend_show && !isLegendRight ? 10 : 1; }
if (axisId === 'y2' && !__axis_y2_show) { return rotated_padding_top; }
return (getAxisLabelPositionById(axisId).isInner ? 30 : 40) + (axisId === 'y2' ? -10 : 0);
}
function getParentWidth() {
return +d3.select(__bindto).style("width").replace('px', ''); // TODO: if rotated, use height
}
function getParentHeight() {
return +d3.select(__bindto).style('height').replace('px', ''); // TODO: if rotated, use width
}
function getAxisClipX(forHorizontal) {
return forHorizontal ? -(1 + 4) : -(margin.left - 1);
}
function getAxisClipY(forHorizontal) {
return forHorizontal ? -20 : -4;
}
function getXAxisClipX() {
return getAxisClipX(!__axis_rotated);
}
function getXAxisClipY() {
return getAxisClipY(!__axis_rotated);
}
function getYAxisClipX() {
return getAxisClipX(__axis_rotated);
}
function getYAxisClipY() {
return getAxisClipY(__axis_rotated);
}
function getAxisClipWidth(forHorizontal) {
return forHorizontal ? width + 2 + 4 : margin.left + 20;
}
function getAxisClipHeight(forHorizontal) {
return forHorizontal ? (__axis_x_height ? __axis_x_height : 0) + 80 : height + 8;
}
function getXAxisClipWidth() {
return getAxisClipWidth(!__axis_rotated);
}
function getXAxisClipHeight() {
return getAxisClipHeight(!__axis_rotated);
}
function getYAxisClipWidth() {
return getAxisClipWidth(__axis_rotated);
}
function getYAxisClipHeight() {
return getAxisClipHeight(__axis_rotated);
}
function getEventRectWidth() {
var target = getMaxDataCountTarget(c3.data.targets),
firstData, lastData, base, maxDataCount, ratio;
if (!target) {
return 0;
}
firstData = target.values[0], lastData = target.values[target.values.length - 1];
base = x(lastData.x) - x(firstData.x);
maxDataCount = getMaxDataCount();
ratio = (hasBarType(c3.data.targets) ? (maxDataCount - (isCategorized ? 0.25 : 1)) / maxDataCount : 1);
return maxDataCount > 1 ? (base * ratio) / (maxDataCount - 1) : base;
}
function updateLegendStep(step) {
legendStep = step;
}
function updateLegendItemWidth(w) {
legendItemWidth = w;
}
function updateLegendItemHeight(h) {
legendItemHeight = h;
}
function getLegendWidth() {
return __legend_show ? isLegendRight ? legendItemWidth * (legendStep + 1) : currentWidth : 0;
}
function getLegendHeight() {
return __legend_show ? isLegendRight ? currentHeight : legendItemHeight * (legendStep + 1) : 0;
}
//-- Scales --//
function updateScales() {
var xAxisTickFormat, xAxisTickValues, forInit = !x;
// update edges
xMin = __axis_rotated ? 1 : 0;
xMax = __axis_rotated ? height : width;
yMin = __axis_rotated ? 0 : height;
yMax = __axis_rotated ? width : 1;
subXMin = xMin;
subXMax = xMax;
subYMin = __axis_rotated ? 0 : height2;
subYMax = __axis_rotated ? width2 : 1;
// update scales
x = getX(xMin, xMax, forInit ? undefined : x.domain(), 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 = __axis_x_tick_values ? __axis_x_tick_values : (forInit ? undefined : xAxis.tickValues());
xAxis = getXAxis(x, xOrient, xAxisTickFormat, xAxisTickValues);
subXAxis = getXAxis(subX, subXOrient, xAxisTickFormat, xAxisTickValues);
yAxis = getYAxis(y, yOrient, __axis_y_tick_format, __axis_y_ticks);
y2Axis = getYAxis(y2, y2Orient, __axis_y2_tick_format, __axis_y2_ticks);
// Set initialized scales to brush and zoom
if (!forInit) {
brush.scale(subX);
if (__zoom_enabled) { zoom.scale(x); }
}
// update for arc
updateArc();
}
function updateArc() {
svgArc = getSvgArc();
svgArcExpanded = getSvgArcExpanded();
svgArcExpandedSub = getSvgArcExpanded(0.98);
}
function getX(min, max, domain, offset) {
var scale = ((isTimeSeries) ? d3.time.scale() : d3.scale.linear()).range([min, max]);
// Set function and values for c3
scale.orgDomain = function () { return scale.domain(); };
if (domain) { scale.domain(domain); }
if (isUndefined(offset)) { offset = function () { return 0; }; }
// Define customized scale if categorized axis
if (isCategorized) {
var _scale = scale, key;
scale = function (d) { return _scale(d) + offset(d); };
for (key in _scale) {
scale[key] = _scale[key];
}
scale.orgDomain = function () {
return _scale.domain();
};
scale.domain = function (domain) {
if (!arguments.length) {
domain = _scale.domain();
return [domain[0], domain[1] + 1];
}
_scale.domain(domain);
return scale;
};
}
return scale;
}
function getY(min, max, domain) {
var scale = d3.scale.linear().range([min, max]);
if (domain) { scale.domain(domain); }
return scale;
}
function getYScale(id) {
return getAxisId(id) === 'y2' ? y2 : y;
}
function getSubYScale(id) {
return getAxisId(id) === 'y2' ? subY2 : subY;
}
//-- Axes --//
function getXAxis(scale, orient, tickFormat, tickValues) {
var axis = (isCategorized ? categoryAxis() : d3.svg.axis()).scale(scale).orient(orient);
// Set tick
axis.tickFormat(tickFormat).tickValues(tickValues);
if (isCategorized) {
axis.tickCentered(__axis_x_tick_centered);
if (isEmpty(__axis_x_tick_culling)) {
__axis_x_tick_culling = false;
}
} else {
axis.tickOffset = function () {
var edgeX = getEdgeX(c3.data.targets), base = x(edgeX[1]) - x(edgeX[0]);
return (base / getMaxDataCount()) / 2;
};
}
// Set categories
if (isCategorized) {
axis.categories(__axis_x_categories);
}
return axis;
}
function getYAxis(scale, orient, tickFormat, ticks) {
return d3.svg.axis().scale(scale).orient(orient).tickFormat(tickFormat).ticks(ticks).outerTickSize(0);
}
function getAxisId(id) {
return id in __data_axes ? __data_axes[id] : 'y';
}
function getXAxisTickFormat() {
var format = isTimeSeries ? defaultTimeFormat : isCategorized ? categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; };
if (__axis_x_tick_format) {
if (typeof __axis_x_tick_format === 'function') {
format = __axis_x_tick_format;
} else if (isTimeSeries) {
format = function (date) {
return date ? xTimeFormat(__axis_x_tick_format)(date) : "";
};
}
}
return format;
}
function getAxisLabelOptionByAxisId(axisId) {
var option;
if (axisId === 'y') {
option = __axis_y_label;
} else if (axisId === 'y2') {
option = __axis_y2_label;
} else if (axisId === 'x') {
option = __axis_x_label;
}
return option;
}
function getAxisLabelText(axisId) {
var option = getAxisLabelOptionByAxisId(axisId);
return typeof option === 'string' ? option : option ? option.text : null;
}
function setAxisLabelText(axisId, text) {
var option = getAxisLabelOptionByAxisId(axisId);
if (typeof option === 'string') {
if (axisId === 'y') {
__axis_y_label = text;
} else if (axisId === 'y2') {
__axis_y2_label = text;
} else if (axisId === 'x') {
__axis_x_label = text;
}
} else if (option) {
option.text = text;
}
}
function xForRotatedTickText(r) {
return 10 * Math.sin(Math.PI * (r / 180));
}
function yForRotatedTickText(r) {
return 11.5 - 2.5 * (r / 15);
}
function rotateTickText(axis, transition, rotate) {
axis.selectAll('.tick text')
.style("text-anchor", "start");
transition.selectAll('.tick text')
.attr("y", yForRotatedTickText(rotate))
.attr("x", xForRotatedTickText(rotate))
.attr("transform", "rotate(" + rotate + ")");
}
function getAxisLabelPosition(axisId, defaultPosition) {
var option = 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
};
}
function getXAxisLabelPosition() {
return getAxisLabelPosition('x', __axis_rotated ? 'inner-top' : 'inner-right');
}
function getYAxisLabelPosition() {
return getAxisLabelPosition('y', __axis_rotated ? 'inner-right' : 'inner-top');
}
function getY2AxisLabelPosition() {
return getAxisLabelPosition('y2', __axis_rotated ? 'inner-right' : 'inner-top');
}
function getAxisLabelPositionById(id) {
return id === 'y2' ? getY2AxisLabelPosition() : id === 'y' ? getYAxisLabelPosition() : getXAxisLabelPosition();
}
function textForXAxisLabel() {
return getAxisLabelText('x');
}
function textForYAxisLabel() {
return getAxisLabelText('y');
}
function textForY2AxisLabel() {
return getAxisLabelText('y2');
}
function xForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 0 : position.isCenter ? width / 2 : width;
} else {
return position.isBottom ? -height : position.isMiddle ? -height / 2 : 0;
}
}
function dxForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
} else {
return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
}
}
function textAnchorForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
} else {
return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
}
}
function xForXAxisLabel() {
return xForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function xForYAxisLabel() {
return xForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function xForY2AxisLabel() {
return xForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function dxForXAxisLabel() {
return dxForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function dxForYAxisLabel() {
return dxForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function dxForY2AxisLabel() {
return dxForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function dyForXAxisLabel() {
var position = getXAxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "1.2em" : -25 - getMaxTickWidth('x');
} else {
return position.isInner ? "-0.5em" : __axis_x_height ? __axis_x_height - 10 : "3em";
}
}
function dyForYAxisLabel() {
var position = getYAxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "-0.5em" : "3em";
} else {
return position.isInner ? "1.2em" : -20 - getMaxTickWidth('y');
}
}
function dyForY2AxisLabel() {
var position = getY2AxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "1.2em" : "-2.2em";
} else {
return position.isInner ? "-0.5em" : 30 + getMaxTickWidth('y2');
}
}
function textAnchorForXAxisLabel() {
return textAnchorForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function textAnchorForYAxisLabel() {
return textAnchorForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function textAnchorForY2AxisLabel() {
return textAnchorForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function getMaxTickWidth(id) {
var maxWidth = 0, axisClass = id === 'x' ? CLASS.axisX : id === 'y' ? CLASS.axisY : CLASS.axisY2;
d3.selectAll('.' + axisClass + ' .tick text').each(function () {
var box = this.getBoundingClientRect();
if (maxWidth < box.width) { maxWidth = box.width; }
});
return maxWidth < 0 ? 0 : maxWidth;
}
function updateAxisLabels() {
main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel)
.attr("x", xForXAxisLabel)
.attr("dx", dxForXAxisLabel)
.attr("dy", dyForXAxisLabel)
.text(textForXAxisLabel);
main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel)
.attr("x", xForYAxisLabel)
.attr("dx", dxForYAxisLabel)
.attr("dy", dyForYAxisLabel)
.attr("dy", dyForYAxisLabel)
.text(textForYAxisLabel);
main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label)
.attr("x", xForY2AxisLabel)
.attr("dx", dxForY2AxisLabel)
.attr("dy", dyForY2AxisLabel)
.text(textForY2AxisLabel);
}
function categoryAxis() {
var scale = d3.scale.linear(), orient = "bottom";
var tickMajorSize = 6, /*tickMinorSize = 6,*/ tickEndSize = 6, tickPadding = 3, tickCentered = false, tickTextNum = 10, tickOffset = 0, tickFormat = null, tickCulling = true;
var categories = [];
function axisX(selection, x) {
selection.attr("transform", function (d) {
return "translate(" + (x(d) + tickOffset) + ", 0)";
});
}
function axisY(selection, y) {
selection.attr("transform", function (d) {
return "translate(0," + y(d) + ")";
});
}
function scaleExtent(domain) {
var start = domain[0], stop = domain[domain.length - 1];
return start < stop ? [ start, stop ] : [ stop, start ];
}
function generateTicks(domain) {
var ticks = [];
for (var 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 category(i) {
return i < categories.length ? categories[i] : i;
}
function formattedCategory(i) {
var c = category(i);
return tickFormat ? tickFormat(c) : c;
}
function copyScale() {
var newScale = scale.copy(), domain = scale.domain();
newScale.domain([domain[0], domain[1] - 1]);
return newScale;
}
function axis(g) {
g.each(function () {
var g = d3.select(this);
var scale1 = copyScale(), scale0 = this.__chart__ || scale1;
var tick = g.selectAll(".tick.major").data(generateTicks(scale1.domain()), String),
tickEnter = tick.enter().insert("g", "path").attr("class", "tick major").style("opacity", 1e-6),
tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(),
tickUpdate = d3.transition(tick).style("opacity", 1),
tickTransform,
tickX;
var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range());
var path = g.selectAll(".domain").data([ 0 ]), pathUpdate;
var lineEnter, lineUpdate, text, textEnter, textUpdate;
path.enter().append("path").attr("class", "domain");
pathUpdate = d3.transition(path);
tickEnter.append("line");
tickEnter.append("text");
lineEnter = tickEnter.select("line");
lineUpdate = tickUpdate.select("line");
text = tick.select("text");
textEnter = tickEnter.select("text");
textUpdate = tickUpdate.select("text");
tickOffset = (scale1(1) - scale1(0)) / 2;
tickX = tickCentered ? 0 : tickOffset;
this.__chart__ = scale1;
switch (orient) {
case "bottom":
{
tickTransform = axisX;
lineEnter.attr("y2", tickMajorSize);
textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickMajorSize);
textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
text.attr("dy", ".71em").style("text-anchor", "middle");
text.text(formattedCategory);
pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
break;
}
/* TODO: implement
case "top":
{
tickTransform = axisX
lineEnter.attr("y2", -tickMajorSize)
textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding))
lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize)
textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding))
text.attr("dy", "0em").style("text-anchor", "middle")
pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize)
break
}
*/
case "left":
{
tickTransform = axisY;
lineEnter.attr("x2", -tickMajorSize);
textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", tickOffset);
text.attr("dy", ".32em").style("text-anchor", "end");
text.text(formattedCategory);
pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
break;
}
/*
case "right":
{
tickTransform = axisY
lineEnter.attr("x2", tickMajorSize)
textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding)
lineUpdate.attr("x2", tickMajorSize).attr("y2", 0)
textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0)
text.attr("dy", ".32em").style("text-anchor", "start")
pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize)
break
}
*/