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highcharts-more.src.js
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highcharts-more.src.js
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// ==ClosureCompiler==
// @compilation_level SIMPLE_OPTIMIZATIONS
/**
* @license Highcharts JS v3.0.10 (2014-03-10)
*
* (c) 2009-2014 Torstein Honsi
*
* License: www.highcharts.com/license
*/
// JSLint options:
/*global Highcharts, HighchartsAdapter, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console */
(function (Highcharts, UNDEFINED) {
var arrayMin = Highcharts.arrayMin,
arrayMax = Highcharts.arrayMax,
each = Highcharts.each,
extend = Highcharts.extend,
merge = Highcharts.merge,
map = Highcharts.map,
pick = Highcharts.pick,
pInt = Highcharts.pInt,
defaultPlotOptions = Highcharts.getOptions().plotOptions,
seriesTypes = Highcharts.seriesTypes,
extendClass = Highcharts.extendClass,
splat = Highcharts.splat,
wrap = Highcharts.wrap,
Axis = Highcharts.Axis,
Tick = Highcharts.Tick,
Point = Highcharts.Point,
Pointer = Highcharts.Pointer,
TrackerMixin = Highcharts.TrackerMixin,
CenteredSeriesMixin = Highcharts.CenteredSeriesMixin,
Series = Highcharts.Series,
math = Math,
mathRound = math.round,
mathFloor = math.floor,
mathMax = math.max,
Color = Highcharts.Color,
noop = function () {};/**
* The Pane object allows options that are common to a set of X and Y axes.
*
* In the future, this can be extended to basic Highcharts and Highstock.
*/
function Pane(options, chart, firstAxis) {
this.init.call(this, options, chart, firstAxis);
}
// Extend the Pane prototype
extend(Pane.prototype, {
/**
* Initiate the Pane object
*/
init: function (options, chart, firstAxis) {
var pane = this,
backgroundOption,
defaultOptions = pane.defaultOptions;
pane.chart = chart;
// Set options
if (chart.angular) { // gauges
defaultOptions.background = {}; // gets extended by this.defaultBackgroundOptions
}
pane.options = options = merge(defaultOptions, options);
backgroundOption = options.background;
// To avoid having weighty logic to place, update and remove the backgrounds,
// push them to the first axis' plot bands and borrow the existing logic there.
if (backgroundOption) {
each([].concat(splat(backgroundOption)).reverse(), function (config) {
var backgroundColor = config.backgroundColor; // if defined, replace the old one (specific for gradients)
config = merge(pane.defaultBackgroundOptions, config);
if (backgroundColor) {
config.backgroundColor = backgroundColor;
}
config.color = config.backgroundColor; // due to naming in plotBands
firstAxis.options.plotBands.unshift(config);
});
}
},
/**
* The default options object
*/
defaultOptions: {
// background: {conditional},
center: ['50%', '50%'],
size: '85%',
startAngle: 0
//endAngle: startAngle + 360
},
/**
* The default background options
*/
defaultBackgroundOptions: {
shape: 'circle',
borderWidth: 1,
borderColor: 'silver',
backgroundColor: {
linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
stops: [
[0, '#FFF'],
[1, '#DDD']
]
},
from: Number.MIN_VALUE, // corrected to axis min
innerRadius: 0,
to: Number.MAX_VALUE, // corrected to axis max
outerRadius: '105%'
}
});
var axisProto = Axis.prototype,
tickProto = Tick.prototype;
/**
* Augmented methods for the x axis in order to hide it completely, used for the X axis in gauges
*/
var hiddenAxisMixin = {
getOffset: noop,
redraw: function () {
this.isDirty = false; // prevent setting Y axis dirty
},
render: function () {
this.isDirty = false; // prevent setting Y axis dirty
},
setScale: noop,
setCategories: noop,
setTitle: noop
};
/**
* Augmented methods for the value axis
*/
/*jslint unparam: true*/
var radialAxisMixin = {
isRadial: true,
/**
* The default options extend defaultYAxisOptions
*/
defaultRadialGaugeOptions: {
labels: {
align: 'center',
x: 0,
y: null // auto
},
minorGridLineWidth: 0,
minorTickInterval: 'auto',
minorTickLength: 10,
minorTickPosition: 'inside',
minorTickWidth: 1,
tickLength: 10,
tickPosition: 'inside',
tickWidth: 2,
title: {
rotation: 0
},
zIndex: 2 // behind dials, points in the series group
},
// Circular axis around the perimeter of a polar chart
defaultRadialXOptions: {
gridLineWidth: 1, // spokes
labels: {
align: null, // auto
distance: 15,
x: 0,
y: null // auto
},
maxPadding: 0,
minPadding: 0,
showLastLabel: false,
tickLength: 0
},
// Radial axis, like a spoke in a polar chart
defaultRadialYOptions: {
gridLineInterpolation: 'circle',
labels: {
align: 'right',
x: -3,
y: -2
},
showLastLabel: false,
title: {
x: 4,
text: null,
rotation: 90
}
},
/**
* Merge and set options
*/
setOptions: function (userOptions) {
var options = this.options = merge(
this.defaultOptions,
this.defaultRadialOptions,
userOptions
);
// Make sure the plotBands array is instanciated for each Axis (#2649)
if (!options.plotBands) {
options.plotBands = [];
}
},
/**
* Wrap the getOffset method to return zero offset for title or labels in a radial
* axis
*/
getOffset: function () {
// Call the Axis prototype method (the method we're in now is on the instance)
axisProto.getOffset.call(this);
// Title or label offsets are not counted
this.chart.axisOffset[this.side] = 0;
// Set the center array
this.center = this.pane.center = CenteredSeriesMixin.getCenter.call(this.pane);
},
/**
* Get the path for the axis line. This method is also referenced in the getPlotLinePath
* method.
*/
getLinePath: function (lineWidth, radius) {
var center = this.center;
radius = pick(radius, center[2] / 2 - this.offset);
return this.chart.renderer.symbols.arc(
this.left + center[0],
this.top + center[1],
radius,
radius,
{
start: this.startAngleRad,
end: this.endAngleRad,
open: true,
innerR: 0
}
);
},
/**
* Override setAxisTranslation by setting the translation to the difference
* in rotation. This allows the translate method to return angle for
* any given value.
*/
setAxisTranslation: function () {
// Call uber method
axisProto.setAxisTranslation.call(this);
// Set transA and minPixelPadding
if (this.center) { // it's not defined the first time
if (this.isCircular) {
this.transA = (this.endAngleRad - this.startAngleRad) /
((this.max - this.min) || 1);
} else {
this.transA = (this.center[2] / 2) / ((this.max - this.min) || 1);
}
if (this.isXAxis) {
this.minPixelPadding = this.transA * this.minPointOffset;
} else {
// This is a workaround for regression #2593, but categories still don't position correctly.
// TODO: Implement true handling of Y axis categories on gauges.
this.minPixelPadding = 0;
}
}
},
/**
* In case of auto connect, add one closestPointRange to the max value right before
* tickPositions are computed, so that ticks will extend passed the real max.
*/
beforeSetTickPositions: function () {
if (this.autoConnect) {
this.max += (this.categories && 1) || this.pointRange || this.closestPointRange || 0; // #1197, #2260
}
},
/**
* Override the setAxisSize method to use the arc's circumference as length. This
* allows tickPixelInterval to apply to pixel lengths along the perimeter
*/
setAxisSize: function () {
axisProto.setAxisSize.call(this);
if (this.isRadial) {
// Set the center array
this.center = this.pane.center = Highcharts.CenteredSeriesMixin.getCenter.call(this.pane);
// The sector is used in Axis.translate to compute the translation of reversed axis points (#2570)
if (this.isCircular) {
this.sector = this.endAngleRad - this.startAngleRad;
}
// Axis len is used to lay out the ticks
this.len = this.width = this.height = this.center[2] * pick(this.sector, 1) / 2;
}
},
/**
* Returns the x, y coordinate of a point given by a value and a pixel distance
* from center
*/
getPosition: function (value, length) {
if (!this.isCircular) {
length = this.translate(value);
value = this.min;
}
return this.postTranslate(
this.translate(value),
pick(length, this.center[2] / 2) - this.offset
);
},
/**
* Translate from intermediate plotX (angle), plotY (axis.len - radius) to final chart coordinates.
*/
postTranslate: function (angle, radius) {
var chart = this.chart,
center = this.center;
angle = this.startAngleRad + angle;
return {
x: chart.plotLeft + center[0] + Math.cos(angle) * radius,
y: chart.plotTop + center[1] + Math.sin(angle) * radius
};
},
/**
* Find the path for plot bands along the radial axis
*/
getPlotBandPath: function (from, to, options) {
var center = this.center,
startAngleRad = this.startAngleRad,
fullRadius = center[2] / 2,
radii = [
pick(options.outerRadius, '100%'),
options.innerRadius,
pick(options.thickness, 10)
],
percentRegex = /%$/,
start,
end,
open,
isCircular = this.isCircular, // X axis in a polar chart
ret;
// Polygonal plot bands
if (this.options.gridLineInterpolation === 'polygon') {
ret = this.getPlotLinePath(from).concat(this.getPlotLinePath(to, true));
// Circular grid bands
} else {
// Plot bands on Y axis (radial axis) - inner and outer radius depend on to and from
if (!isCircular) {
radii[0] = this.translate(from);
radii[1] = this.translate(to);
}
// Convert percentages to pixel values
radii = map(radii, function (radius) {
if (percentRegex.test(radius)) {
radius = (pInt(radius, 10) * fullRadius) / 100;
}
return radius;
});
// Handle full circle
if (options.shape === 'circle' || !isCircular) {
start = -Math.PI / 2;
end = Math.PI * 1.5;
open = true;
} else {
start = startAngleRad + this.translate(from);
end = startAngleRad + this.translate(to);
}
ret = this.chart.renderer.symbols.arc(
this.left + center[0],
this.top + center[1],
radii[0],
radii[0],
{
start: start,
end: end,
innerR: pick(radii[1], radii[0] - radii[2]),
open: open
}
);
}
return ret;
},
/**
* Find the path for plot lines perpendicular to the radial axis.
*/
getPlotLinePath: function (value, reverse) {
var axis = this,
center = axis.center,
chart = axis.chart,
end = axis.getPosition(value),
xAxis,
xy,
tickPositions,
ret;
// Spokes
if (axis.isCircular) {
ret = ['M', center[0] + chart.plotLeft, center[1] + chart.plotTop, 'L', end.x, end.y];
// Concentric circles
} else if (axis.options.gridLineInterpolation === 'circle') {
value = axis.translate(value);
if (value) { // a value of 0 is in the center
ret = axis.getLinePath(0, value);
}
// Concentric polygons
} else {
xAxis = chart.xAxis[0];
ret = [];
value = axis.translate(value);
tickPositions = xAxis.tickPositions;
if (xAxis.autoConnect) {
tickPositions = tickPositions.concat([tickPositions[0]]);
}
// Reverse the positions for concatenation of polygonal plot bands
if (reverse) {
tickPositions = [].concat(tickPositions).reverse();
}
each(tickPositions, function (pos, i) {
xy = xAxis.getPosition(pos, value);
ret.push(i ? 'L' : 'M', xy.x, xy.y);
});
}
return ret;
},
/**
* Find the position for the axis title, by default inside the gauge
*/
getTitlePosition: function () {
var center = this.center,
chart = this.chart,
titleOptions = this.options.title;
return {
x: chart.plotLeft + center[0] + (titleOptions.x || 0),
y: chart.plotTop + center[1] - ({ high: 0.5, middle: 0.25, low: 0 }[titleOptions.align] *
center[2]) + (titleOptions.y || 0)
};
}
};
/*jslint unparam: false*/
/**
* Override axisProto.init to mix in special axis instance functions and function overrides
*/
wrap(axisProto, 'init', function (proceed, chart, userOptions) {
var axis = this,
angular = chart.angular,
polar = chart.polar,
isX = userOptions.isX,
isHidden = angular && isX,
isCircular,
startAngleRad,
endAngleRad,
options,
chartOptions = chart.options,
paneIndex = userOptions.pane || 0,
pane,
paneOptions;
// Before prototype.init
if (angular) {
extend(this, isHidden ? hiddenAxisMixin : radialAxisMixin);
isCircular = !isX;
if (isCircular) {
this.defaultRadialOptions = this.defaultRadialGaugeOptions;
}
} else if (polar) {
//extend(this, userOptions.isX ? radialAxisMixin : radialAxisMixin);
extend(this, radialAxisMixin);
isCircular = isX;
this.defaultRadialOptions = isX ? this.defaultRadialXOptions : merge(this.defaultYAxisOptions, this.defaultRadialYOptions);
}
// Run prototype.init
proceed.call(this, chart, userOptions);
if (!isHidden && (angular || polar)) {
options = this.options;
// Create the pane and set the pane options.
if (!chart.panes) {
chart.panes = [];
}
this.pane = pane = chart.panes[paneIndex] = chart.panes[paneIndex] || new Pane(
splat(chartOptions.pane)[paneIndex],
chart,
axis
);
paneOptions = pane.options;
// Disable certain features on angular and polar axes
chart.inverted = false;
chartOptions.chart.zoomType = null;
// Start and end angle options are
// given in degrees relative to top, while internal computations are
// in radians relative to right (like SVG).
this.startAngleRad = startAngleRad = (paneOptions.startAngle - 90) * Math.PI / 180;
this.endAngleRad = endAngleRad = (pick(paneOptions.endAngle, paneOptions.startAngle + 360) - 90) * Math.PI / 180;
this.offset = options.offset || 0;
this.isCircular = isCircular;
// Automatically connect grid lines?
if (isCircular && userOptions.max === UNDEFINED && endAngleRad - startAngleRad === 2 * Math.PI) {
this.autoConnect = true;
}
}
});
/**
* Add special cases within the Tick class' methods for radial axes.
*/
wrap(tickProto, 'getPosition', function (proceed, horiz, pos, tickmarkOffset, old) {
var axis = this.axis;
return axis.getPosition ?
axis.getPosition(pos) :
proceed.call(this, horiz, pos, tickmarkOffset, old);
});
/**
* Wrap the getLabelPosition function to find the center position of the label
* based on the distance option
*/
wrap(tickProto, 'getLabelPosition', function (proceed, x, y, label, horiz, labelOptions, tickmarkOffset, index, step) {
var axis = this.axis,
optionsY = labelOptions.y,
ret,
align = labelOptions.align,
angle = ((axis.translate(this.pos) + axis.startAngleRad + Math.PI / 2) / Math.PI * 180) % 360;
if (axis.isRadial) {
ret = axis.getPosition(this.pos, (axis.center[2] / 2) + pick(labelOptions.distance, -25));
// Automatically rotated
if (labelOptions.rotation === 'auto') {
label.attr({
rotation: angle
});
// Vertically centered
} else if (optionsY === null) {
optionsY = axis.chart.renderer.fontMetrics(label.styles.fontSize).b - label.getBBox().height / 2;
}
// Automatic alignment
if (align === null) {
if (axis.isCircular) {
if (angle > 20 && angle < 160) {
align = 'left'; // right hemisphere
} else if (angle > 200 && angle < 340) {
align = 'right'; // left hemisphere
} else {
align = 'center'; // top or bottom
}
} else {
align = 'center';
}
label.attr({
align: align
});
}
ret.x += labelOptions.x;
ret.y += optionsY;
} else {
ret = proceed.call(this, x, y, label, horiz, labelOptions, tickmarkOffset, index, step);
}
return ret;
});
/**
* Wrap the getMarkPath function to return the path of the radial marker
*/
wrap(tickProto, 'getMarkPath', function (proceed, x, y, tickLength, tickWidth, horiz, renderer) {
var axis = this.axis,
endPoint,
ret;
if (axis.isRadial) {
endPoint = axis.getPosition(this.pos, axis.center[2] / 2 + tickLength);
ret = [
'M',
x,
y,
'L',
endPoint.x,
endPoint.y
];
} else {
ret = proceed.call(this, x, y, tickLength, tickWidth, horiz, renderer);
}
return ret;
});/*
* The AreaRangeSeries class
*
*/
/**
* Extend the default options with map options
*/
defaultPlotOptions.arearange = merge(defaultPlotOptions.area, {
lineWidth: 1,
marker: null,
threshold: null,
tooltip: {
pointFormat: '<span style="color:{series.color}">{series.name}</span>: <b>{point.low}</b> - <b>{point.high}</b><br/>'
},
trackByArea: true,
dataLabels: {
verticalAlign: null,
xLow: 0,
xHigh: 0,
yLow: 0,
yHigh: 0
}
});
/**
* Add the series type
*/
seriesTypes.arearange = extendClass(seriesTypes.area, {
type: 'arearange',
pointArrayMap: ['low', 'high'],
toYData: function (point) {
return [point.low, point.high];
},
pointValKey: 'low',
/**
* Extend getSegments to force null points if the higher value is null. #1703.
*/
getSegments: function () {
var series = this;
each(series.points, function (point) {
if (!series.options.connectNulls && (point.low === null || point.high === null)) {
point.y = null;
} else if (point.low === null && point.high !== null) {
point.y = point.high;
}
});
Series.prototype.getSegments.call(this);
},
/**
* Translate data points from raw values x and y to plotX and plotY
*/
translate: function () {
var series = this,
yAxis = series.yAxis;
seriesTypes.area.prototype.translate.apply(series);
// Set plotLow and plotHigh
each(series.points, function (point) {
var low = point.low,
high = point.high,
plotY = point.plotY;
if (high === null && low === null) {
point.y = null;
} else if (low === null) {
point.plotLow = point.plotY = null;
point.plotHigh = yAxis.translate(high, 0, 1, 0, 1);
} else if (high === null) {
point.plotLow = plotY;
point.plotHigh = null;
} else {
point.plotLow = plotY;
point.plotHigh = yAxis.translate(high, 0, 1, 0, 1);
}
});
},
/**
* Extend the line series' getSegmentPath method by applying the segment
* path to both lower and higher values of the range
*/
getSegmentPath: function (segment) {
var lowSegment,
highSegment = [],
i = segment.length,
baseGetSegmentPath = Series.prototype.getSegmentPath,
point,
linePath,
lowerPath,
options = this.options,
step = options.step,
higherPath;
// Remove nulls from low segment
lowSegment = HighchartsAdapter.grep(segment, function (point) {
return point.plotLow !== null;
});
// Make a segment with plotX and plotY for the top values
while (i--) {
point = segment[i];
if (point.plotHigh !== null) {
highSegment.push({
plotX: point.plotX,
plotY: point.plotHigh
});
}
}
// Get the paths
lowerPath = baseGetSegmentPath.call(this, lowSegment);
if (step) {
if (step === true) {
step = 'left';
}
options.step = { left: 'right', center: 'center', right: 'left' }[step]; // swap for reading in getSegmentPath
}
higherPath = baseGetSegmentPath.call(this, highSegment);
options.step = step;
// Create a line on both top and bottom of the range
linePath = [].concat(lowerPath, higherPath);
// For the area path, we need to change the 'move' statement into 'lineTo' or 'curveTo'
higherPath[0] = 'L'; // this probably doesn't work for spline
this.areaPath = this.areaPath.concat(lowerPath, higherPath);
return linePath;
},
/**
* Extend the basic drawDataLabels method by running it for both lower and higher
* values.
*/
drawDataLabels: function () {
var data = this.data,
length = data.length,
i,
originalDataLabels = [],
seriesProto = Series.prototype,
dataLabelOptions = this.options.dataLabels,
point,
inverted = this.chart.inverted;
if (dataLabelOptions.enabled || this._hasPointLabels) {
// Step 1: set preliminary values for plotY and dataLabel and draw the upper labels
i = length;
while (i--) {
point = data[i];
// Set preliminary values
point.y = point.high;
point._plotY = point.plotY;
point.plotY = point.plotHigh;
// Store original data labels and set preliminary label objects to be picked up
// in the uber method
originalDataLabels[i] = point.dataLabel;
point.dataLabel = point.dataLabelUpper;
// Set the default offset
point.below = false;
if (inverted) {
dataLabelOptions.align = 'left';
dataLabelOptions.x = dataLabelOptions.xHigh;
} else {
dataLabelOptions.y = dataLabelOptions.yHigh;
}
}
if (seriesProto.drawDataLabels) {
seriesProto.drawDataLabels.apply(this, arguments); // #1209
}
// Step 2: reorganize and handle data labels for the lower values
i = length;
while (i--) {
point = data[i];
// Move the generated labels from step 1, and reassign the original data labels
point.dataLabelUpper = point.dataLabel;
point.dataLabel = originalDataLabels[i];
// Reset values
point.y = point.low;
point.plotY = point._plotY;
// Set the default offset
point.below = true;
if (inverted) {
dataLabelOptions.align = 'right';
dataLabelOptions.x = dataLabelOptions.xLow;
} else {
dataLabelOptions.y = dataLabelOptions.yLow;
}
}
if (seriesProto.drawDataLabels) {
seriesProto.drawDataLabels.apply(this, arguments);
}
}
},
alignDataLabel: function () {
seriesTypes.column.prototype.alignDataLabel.apply(this, arguments);
},
getSymbol: seriesTypes.column.prototype.getSymbol,
drawPoints: noop
});/**
* The AreaSplineRangeSeries class
*/
defaultPlotOptions.areasplinerange = merge(defaultPlotOptions.arearange);
/**
* AreaSplineRangeSeries object
*/
seriesTypes.areasplinerange = extendClass(seriesTypes.arearange, {
type: 'areasplinerange',
getPointSpline: seriesTypes.spline.prototype.getPointSpline
});
(function () {
var colProto = seriesTypes.column.prototype;
/**
* The ColumnRangeSeries class
*/
defaultPlotOptions.columnrange = merge(defaultPlotOptions.column, defaultPlotOptions.arearange, {
lineWidth: 1,
pointRange: null
});
/**
* ColumnRangeSeries object
*/
seriesTypes.columnrange = extendClass(seriesTypes.arearange, {
type: 'columnrange',
/**
* Translate data points from raw values x and y to plotX and plotY
*/
translate: function () {
var series = this,
yAxis = series.yAxis,
plotHigh;
colProto.translate.apply(series);
// Set plotLow and plotHigh
each(series.points, function (point) {
var shapeArgs = point.shapeArgs,
minPointLength = series.options.minPointLength,
heightDifference,
height,
y;
point.plotHigh = plotHigh = yAxis.translate(point.high, 0, 1, 0, 1);
point.plotLow = point.plotY;
// adjust shape
y = plotHigh;
height = point.plotY - plotHigh;
if (height < minPointLength) {
heightDifference = (minPointLength - height);
height += heightDifference;
y -= heightDifference / 2;
}
shapeArgs.height = height;
shapeArgs.y = y;
});
},
trackerGroups: ['group', 'dataLabels'],
drawGraph: noop,
pointAttrToOptions: colProto.pointAttrToOptions,
drawPoints: colProto.drawPoints,
drawTracker: colProto.drawTracker,
animate: colProto.animate,
getColumnMetrics: colProto.getColumnMetrics
});
}());
/*
* The GaugeSeries class
*/
/**
* Extend the default options
*/
defaultPlotOptions.gauge = merge(defaultPlotOptions.line, {
dataLabels: {
enabled: true,
y: 15,
borderWidth: 1,
borderColor: 'silver',
borderRadius: 3,
crop: false,
style: {
fontWeight: 'bold'
},
verticalAlign: 'top',
zIndex: 2
},
dial: {
// radius: '80%',
// backgroundColor: 'black',
// borderColor: 'silver',
// borderWidth: 0,
// baseWidth: 3,
// topWidth: 1,
// baseLength: '70%' // of radius
// rearLength: '10%'
},
pivot: {
//radius: 5,
//borderWidth: 0
//borderColor: 'silver',
//backgroundColor: 'black'
},
tooltip: {
headerFormat: ''
},
showInLegend: false
});
/**
* Extend the point object
*/
var GaugePoint = extendClass(Point, {
/**
* Don't do any hover colors or anything
*/
setState: function (state) {
this.state = state;
}
});
/**
* Add the series type
*/
var GaugeSeries = {
type: 'gauge',