Файл: protected/extensions/widgets/highcharts/assets/highcharts-more.src.js
Строк: 2528
<?php
// ==ClosureCompiler==
// @compilation_level SIMPLE_OPTIMIZATIONS
/**
* @license Highcharts JS v3.0.4 (2013-08-02)
*
* (c) 2009-2013 Torstein Hønsi
*
* 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,
Series = Highcharts.Series,
colProto = seriesTypes.column.prototype,
math = Math,
mathRound = math.round,
mathFloor = math.floor,
mathMax = math.max,
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,
plotBands: [],
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,
plotBands: [],
showLastLabel: false,
tickLength: 0
},
// Radial axis, like a spoke in a polar chart
defaultRadialYOptions: {
gridLineInterpolation: 'circle',
labels: {
align: 'right',
x: -3,
y: -2
},
plotBands: [],
showLastLabel: false,
title: {
x: 4,
text: null,
rotation: 90
}
},
/**
* Merge and set options
*/
setOptions: function (userOptions) {
this.options = merge(
this.defaultOptions,
this.defaultRadialOptions,
userOptions
);
},
/**
* 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 = seriesTypes.pie.prototype.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 +
(this.reversed ? (this.endAngleRad - this.startAngleRad) / 4 : 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; // #1197
}
},
/**
* 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.center) { // it's not defined the first time
this.len = this.width = this.height = this.isCircular ?
this.center[2] * (this.endAngleRad - this.startAngleRad) / 2 :
this.center[2] / 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 = pInt(label.styles.lineHeight) * 0.9 - 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 = Highcharts.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.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;
}
}
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.plotLow;
// Set the default offset
point.below = true;
if (inverted) {
dataLabelOptions.align = 'right';
dataLabelOptions.x = dataLabelOptions.xLow;
} else {
dataLabelOptions.y = dataLabelOptions.yLow;
}
}
seriesProto.drawDataLabels.apply(this, arguments);
}
},
alignDataLabel: seriesTypes.column.prototype.alignDataLabel,
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
});/**
* 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,
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 = Highcharts.extendClass(Highcharts.Point, {
/**
* Don't do any hover colors or anything
*/
setState: function (state) {
this.state = state;
}
});
/**
* Add the series type
*/
var GaugeSeries = {
type: 'gauge',
pointClass: GaugePoint,
// chart.angular will be set to true when a gauge series is present, and this will
// be used on the axes
angular: true,
drawGraph: noop,
trackerGroups: ['group', 'dataLabels'],
/**
* Calculate paths etc
*/
translate: function () {
var series = this,
yAxis = series.yAxis,
options = series.options,
center = yAxis.center;
series.generatePoints();
each(series.points, function (point) {
var dialOptions = merge(options.dial, point.dial),
radius = (pInt(pick(dialOptions.radius, 80)) * center[2]) / 200,
baseLength = (pInt(pick(dialOptions.baseLength, 70)) * radius) / 100,
rearLength = (pInt(pick(dialOptions.rearLength, 10)) * radius) / 100,
baseWidth = dialOptions.baseWidth || 3,
topWidth = dialOptions.topWidth || 1,
rotation = yAxis.startAngleRad + yAxis.translate(point.y, null, null, null, true);
// Handle the wrap option
if (options.wrap === false) {
rotation = Math.max(yAxis.startAngleRad, Math.min(yAxis.endAngleRad, rotation));
}
rotation = rotation * 180 / Math.PI;
point.shapeType = 'path';
point.shapeArgs = {
d: dialOptions.path || [
'M',
-rearLength, -baseWidth / 2,
'L',
baseLength, -baseWidth / 2,
radius, -topWidth / 2,
radius, topWidth / 2,
baseLength, baseWidth / 2,
-rearLength, baseWidth / 2,
'z'
],
translateX: center[0],
translateY: center[1],
rotation: rotation
};
// Positions for data label
point.plotX = center[0];
point.plotY = center[1];
});
},
/**
* Draw the points where each point is one needle
*/
drawPoints: function () {
var series = this,
center = series.yAxis.center,
pivot = series.pivot,
options = series.options,
pivotOptions = options.pivot,
renderer = series.chart.renderer;
each(series.points, function (point) {
var graphic = point.graphic,
shapeArgs = point.shapeArgs,
d = shapeArgs.d,
dialOptions = merge(options.dial, point.dial); // #1233
if (graphic) {
graphic.animate(shapeArgs);
shapeArgs.d = d; // animate alters it
} else {
point.graphic = renderer[point.shapeType](shapeArgs)
.attr({
stroke: dialOptions.borderColor || 'none',
'stroke-width': dialOptions.borderWidth || 0,
fill: dialOptions.backgroundColor || 'black',
rotation: shapeArgs.rotation // required by VML when animation is false
})
.add(series.group);
}
});
// Add or move the pivot
if (pivot) {
pivot.animate({ // #1235
translateX: center[0],
translateY: center[1]
});
} else {
series.pivot = renderer.circle(0, 0, pick(pivotOptions.radius, 5))
.attr({
'stroke-width': pivotOptions.borderWidth || 0,
stroke: pivotOptions.borderColor || 'silver',
fill: pivotOptions.backgroundColor || 'black'
})
.translate(center[0], center[1])
.add(series.group);
}
},
/**
* Animate the arrow up from startAngle
*/
animate: function (init) {
var series = this;
if (!init) {
each(series.points, function (point) {
var graphic = point.graphic;
if (graphic) {
// start value
graphic.attr({
rotation: series.yAxis.startAngleRad * 180 / Math.PI
});
// animate
graphic.animate({
rotation: point.shapeArgs.rotation
}, series.options.animation);
}
});
// delete this function to allow it only once
series.animate = null;
}
},
render: function () {
this.group = this.plotGroup(
'group',
'series',
this.visible ? 'visible' : 'hidden',
this.options.zIndex,
this.chart.seriesGroup
);
seriesTypes.pie.prototype.render.call(this);
this.group.clip(this.chart.clipRect);
},
setData: seriesTypes.pie.prototype.setData,
drawTracker: seriesTypes.column.prototype.drawTracker
};
seriesTypes.gauge = Highcharts.extendClass(seriesTypes.line, GaugeSeries);/* ****************************************************************************
* Start Box plot series code *
*****************************************************************************/
// Set default options
defaultPlotOptions.boxplot = merge(defaultPlotOptions.column, {
fillColor: '#FFFFFF',
lineWidth: 1,
//medianColor: null,
medianWidth: 2,
states: {
hover: {
brightness: -0.3
}
},
//stemColor: null,
//stemDashStyle: 'solid'
//stemWidth: null,
threshold: null,
tooltip: {
pointFormat: '<span style="color:{series.color};font-weight:bold">{series.name}</span><br/>' +
'Maximum: {point.high}<br/>' +
'Upper quartile: {point.q3}<br/>' +
'Median: {point.median}<br/>' +
'Lower quartile: {point.q1}<br/>' +
'Minimum: {point.low}<br/>'
},
//whiskerColor: null,
whiskerLength: '50%',
whiskerWidth: 2
});
// Create the series object
seriesTypes.boxplot = extendClass(seriesTypes.column, {
type: 'boxplot',
pointArrayMap: ['low', 'q1', 'median', 'q3', 'high'], // array point configs are mapped to this
toYData: function (point) { // return a plain array for speedy calculation
return [point.low, point.q1, point.median, point.q3, point.high];
},
pointValKey: 'high', // defines the top of the tracker
/**
* One-to-one mapping from options to SVG attributes
*/
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
fill: 'fillColor',
stroke: 'color',
'stroke-width': 'lineWidth'
},
/**
* Disable data labels for box plot
*/
drawDataLabels: noop,
/**
* Translate data points from raw values x and y to plotX and plotY
*/
translate: function () {
var series = this,
yAxis = series.yAxis,
pointArrayMap = series.pointArrayMap;
seriesTypes.column.prototype.translate.apply(series);
// do the translation on each point dimension
each(series.points, function (point) {
each(pointArrayMap, function (key) {
if (point[key] !== null) {
point[key + 'Plot'] = yAxis.translate(point[key], 0, 1, 0, 1);
}
});
});
},
/**
* Draw the data points
*/
drawPoints: function () {
var series = this, //state = series.state,
points = series.points,
options = series.options,
chart = series.chart,
renderer = chart.renderer,
pointAttr,
q1Plot,
q3Plot,
highPlot,
lowPlot,
medianPlot,
crispCorr,
crispX,
graphic,
stemPath,
stemAttr,
boxPath,
whiskersPath,
whiskersAttr,
medianPath,
medianAttr,
width,
left,
right,
halfWidth,
shapeArgs,
color,
doQuartiles = series.doQuartiles !== false, // error bar inherits this series type but doesn't do quartiles
whiskerLength = parseInt(series.options.whiskerLength, 10) / 100;
each(points, function (point) {
graphic = point.graphic;
shapeArgs = point.shapeArgs; // the box
stemAttr = {};
whiskersAttr = {};
medianAttr = {};
color = point.color || series.color;
if (point.plotY !== UNDEFINED) {
pointAttr = point.pointAttr[point.selected ? 'selected' : ''];
// crisp vector coordinates
width = shapeArgs.width;
left = mathFloor(shapeArgs.x);
right = left + width;
halfWidth = mathRound(width / 2);
//crispX = mathRound(left + halfWidth) + crispCorr;
q1Plot = mathFloor(doQuartiles ? point.q1Plot : point.lowPlot);// + crispCorr;
q3Plot = mathFloor(doQuartiles ? point.q3Plot : point.lowPlot);// + crispCorr;
highPlot = mathFloor(point.highPlot);// + crispCorr;
lowPlot = mathFloor(point.lowPlot);// + crispCorr;
// Stem attributes
stemAttr.stroke = point.stemColor || options.stemColor || color;
stemAttr['stroke-width'] = pick(point.stemWidth, options.stemWidth, options.lineWidth);
stemAttr.dashstyle = point.stemDashStyle || options.stemDashStyle;
// Whiskers attributes
whiskersAttr.stroke = point.whiskerColor || options.whiskerColor || color;
whiskersAttr['stroke-width'] = pick(point.whiskerWidth, options.whiskerWidth, options.lineWidth);
// Median attributes
medianAttr.stroke = point.medianColor || options.medianColor || color;
medianAttr['stroke-width'] = pick(point.medianWidth, options.medianWidth, options.lineWidth);
// The stem
crispCorr = (stemAttr['stroke-width'] % 2) / 2;
crispX = left + halfWidth + crispCorr;
stemPath = [
// stem up
'M',
crispX, q3Plot,
'L',
crispX, highPlot,
// stem down
'M',
crispX, q1Plot,
'L',
crispX, lowPlot,
'z'
];
// The box
if (doQuartiles) {
crispCorr = (pointAttr['stroke-width'] % 2) / 2;
crispX = mathFloor(crispX) + crispCorr;
q1Plot = mathFloor(q1Plot) + crispCorr;
q3Plot = mathFloor(q3Plot) + crispCorr;
left += crispCorr;
right += crispCorr;
boxPath = [
'M',
left, q3Plot,
'L',
left, q1Plot,
'L',
right, q1Plot,
'L',
right, q3Plot,
'L',
left, q3Plot,
'z'
];
}
// The whiskers
if (whiskerLength) {
crispCorr = (whiskersAttr['stroke-width'] % 2) / 2;
highPlot = highPlot + crispCorr;
lowPlot = lowPlot + crispCorr;
whiskersPath = [
// High whisker
'M',
crispX - halfWidth * whiskerLength,
highPlot,
'L',
crispX + halfWidth * whiskerLength,
highPlot,
// Low whisker
'M',
crispX - halfWidth * whiskerLength,
lowPlot,
'L',
crispX + halfWidth * whiskerLength,
lowPlot
];
}
// The median
crispCorr = (medianAttr['stroke-width'] % 2) / 2;
medianPlot = mathRound(point.medianPlot) + crispCorr;
medianPath = [
'M',
left,
medianPlot,
'L',
right,
medianPlot,
'z'
];
// Create or update the graphics
if (graphic) { // update
point.stem.animate({ d: stemPath });
if (whiskerLength) {
point.whiskers.animate({ d: whiskersPath });
}
if (doQuartiles) {
point.box.animate({ d: boxPath });
}
point.medianShape.animate({ d: medianPath });
} else { // create new
point.graphic = graphic = renderer.g()
.add(series.group);
point.stem = renderer.path(stemPath)
.attr(stemAttr)
.add(graphic);
if (whiskerLength) {
point.whiskers = renderer.path(whiskersPath)
.attr(whiskersAttr)
.add(graphic);
}
if (doQuartiles) {
point.box = renderer.path(boxPath)
.attr(pointAttr)
.add(graphic);
}
point.medianShape = renderer.path(medianPath)
.attr(medianAttr)
.add(graphic);
}
}
});
}
});
/* ****************************************************************************
* End Box plot series code *
*****************************************************************************/
/* ****************************************************************************
* Start error bar series code *
*****************************************************************************/
// 1 - set default options
defaultPlotOptions.errorbar = merge(defaultPlotOptions.boxplot, {
color: '#000000',
grouping: false,
linkedTo: ':previous',
tooltip: {
pointFormat: defaultPlotOptions.arearange.tooltip.pointFormat
},
whiskerWidth: null
});
// 2 - Create the series object
seriesTypes.errorbar = extendClass(seriesTypes.boxplot, {
type: 'errorbar',
pointArrayMap: ['low', 'high'], // array point configs are mapped to this
toYData: function (point) { // return a plain array for speedy calculation
return [point.low, point.high];
},
pointValKey: 'high', // defines the top of the tracker
doQuartiles: false,
/**
* Get the width and X offset, either on top of the linked series column
* or standalone
*/
getColumnMetrics: function () {
return (this.linkedParent && this.linkedParent.columnMetrics) ||
seriesTypes.column.prototype.getColumnMetrics.call(this);
}
});
/* ****************************************************************************
* End error bar series code *
*****************************************************************************/
/* ****************************************************************************
* Start Waterfall series code *
*****************************************************************************/
// 1 - set default options
defaultPlotOptions.waterfall = merge(defaultPlotOptions.column, {
lineWidth: 1,
lineColor: '#333',
dashStyle: 'dot',
borderColor: '#333'
});
// 2 - Create the series object
seriesTypes.waterfall = extendClass(seriesTypes.column, {
type: 'waterfall',
upColorProp: 'fill',
pointArrayMap: ['low', 'y'],
pointValKey: 'y',
/**
* Init waterfall series, force stacking
*/
init: function (chart, options) {
// force stacking
options.stacking = true;
seriesTypes.column.prototype.init.call(this, chart, options);
},
/**
* Translate data points from raw values
*/
translate: function () {
var series = this,
options = series.options,
axis = series.yAxis,
len,
i,
points,
point,
shapeArgs,
stack,
y,
previousY,
stackPoint,
threshold = options.threshold,
crispCorr = (options.borderWidth % 2) / 2;
// run column series translate
seriesTypes.column.prototype.translate.apply(this);
previousY = threshold;
points = series.points;
for (i = 0, len = points.length; i < len; i++) {
// cache current point object
point = points[i];
shapeArgs = point.shapeArgs;
// get current stack
stack = series.getStack(i);
stackPoint = stack.points[series.index];
// override point value for sums
if (isNaN(point.y)) {
point.y = series.yData[i];
}
// up points
y = mathMax(previousY, previousY + point.y) + stackPoint[0];
shapeArgs.y = axis.translate(y, 0, 1);
// sum points
if (point.isSum || point.isIntermediateSum) {
shapeArgs.y = axis.translate(stackPoint[1], 0, 1);
shapeArgs.height = axis.translate(stackPoint[0], 0, 1) - shapeArgs.y;
// if it's not the sum point, update previous stack end position
} else {
previousY += stack.total;
}
// negative points
if (shapeArgs.height < 0) {
shapeArgs.y += shapeArgs.height;
shapeArgs.height *= -1;
}
point.plotY = shapeArgs.y = mathRound(shapeArgs.y) - crispCorr;
shapeArgs.height = mathRound(shapeArgs.height);
point.yBottom = shapeArgs.y + shapeArgs.height;
}
},
/**
* Call default processData then override yData to reflect waterfall's extremes on yAxis
*/
processData: function (force) {
var series = this,
options = series.options,
yData = series.yData,
points = series.points,
point,
dataLength = yData.length,
threshold = options.threshold || 0,
subSum,
sum,
dataMin,
dataMax,
y,
i;
sum = subSum = dataMin = dataMax = threshold;
for (i = 0; i < dataLength; i++) {
y = yData[i];
point = points ? points[i] : {};
if (y === "sum" || point.isSum) {
yData[i] = sum;
} else if (y === "intermediateSum" || point.isIntermediateSum) {
yData[i] = subSum;
subSum = threshold;
} else {
sum += y;
subSum += y;
}
dataMin = Math.min(sum, dataMin);
dataMax = Math.max(sum, dataMax);
}
Series.prototype.processData.call(this, force);
// Record extremes
series.dataMin = dataMin;
series.dataMax = dataMax;
},
/**
* Return y value or string if point is sum
*/
toYData: function (pt) {
if (pt.isSum) {
return "sum";
} else if (pt.isIntermediateSum) {
return "intermediateSum";
}
return pt.y;
},
/**
* Postprocess mapping between options and SVG attributes
*/
getAttribs: function () {
seriesTypes.column.prototype.getAttribs.apply(this, arguments);
var series = this,
options = series.options,
stateOptions = options.states,
upColor = options.upColor || series.color,
hoverColor = Highcharts.Color(upColor).brighten(0.1).get(),
seriesDownPointAttr = merge(series.pointAttr),
upColorProp = series.upColorProp;
seriesDownPointAttr[''][upColorProp] = upColor;
seriesDownPointAttr.hover[upColorProp] = stateOptions.hover.upColor || hoverColor;
seriesDownPointAttr.select[upColorProp] = stateOptions.select.upColor || upColor;
each(series.points, function (point) {
if (point.y > 0 && !point.color) {
point.pointAttr = seriesDownPointAttr;
point.color = upColor;
}
});
},
/**
* Draw columns' connector lines
*/
getGraphPath: function () {
var data = this.data,
length = data.length,
lineWidth = this.options.lineWidth + this.options.borderWidth,
normalizer = mathRound(lineWidth) % 2 / 2,
path = [],
M = 'M',
L = 'L',
prevArgs,
pointArgs,
i,
d;
for (i = 1; i < length; i++) {
pointArgs = data[i].shapeArgs;
prevArgs = data[i - 1].shapeArgs;
d = [
M,
prevArgs.x + prevArgs.width, prevArgs.y + normalizer,
L,
pointArgs.x, prevArgs.y + normalizer
];
if (data[i - 1].y < 0) {
d[2] += prevArgs.height;
d[5] += prevArgs.height;
}
path = path.concat(d);
}
return path;
},
/**
* Extremes are recorded in processData
*/
getExtremes: noop,
/**
* Return stack for given index
*/
getStack: function (i) {
var axis = this.yAxis,
stacks = axis.stacks,
key = this.stackKey;
if (this.processedYData[i] < this.options.threshold) {
key = '-' + key;
}
return stacks[key][i];
},
drawGraph: Series.prototype.drawGraph
});
/* ****************************************************************************
* End Waterfall series code *
*****************************************************************************/
/* ****************************************************************************
* Start Bubble series code *
*****************************************************************************/
// 1 - set default options
defaultPlotOptions.bubble = merge(defaultPlotOptions.scatter, {
dataLabels: {
inside: true,
style: {
color: 'white',
textShadow: '0px 0px 3px black'
},
verticalAlign: 'middle'
},
// displayNegative: true,
marker: {
// fillOpacity: 0.5,
lineColor: null, // inherit from series.color
lineWidth: 1
},
minSize: 8,
maxSize: '20%',
// negativeColor: null,
tooltip: {
pointFormat: '({point.x}, {point.y}), Size: {point.z}'
},
turboThreshold: 0,
zThreshold: 0
});
// 2 - Create the series object
seriesTypes.bubble = extendClass(seriesTypes.scatter, {
type: 'bubble',
pointArrayMap: ['y', 'z'],
trackerGroups: ['group', 'dataLabelsGroup'],
/**
* Mapping between SVG attributes and the corresponding options
*/
pointAttrToOptions: {
stroke: 'lineColor',
'stroke-width': 'lineWidth',
fill: 'fillColor'
},
/**
* Apply the fillOpacity to all fill positions
*/
applyOpacity: function (fill) {
var markerOptions = this.options.marker,
fillOpacity = pick(markerOptions.fillOpacity, 0.5);
// When called from Legend.colorizeItem, the fill isn't predefined
fill = fill || markerOptions.fillColor || this.color;
if (fillOpacity !== 1) {
fill = Highcharts.Color(fill).setOpacity(fillOpacity).get('rgba');
}
return fill;
},
/**
* Extend the convertAttribs method by applying opacity to the fill
*/
convertAttribs: function () {
var obj = Series.prototype.convertAttribs.apply(this, arguments);
obj.fill = this.applyOpacity(obj.fill);
return obj;
},
/**
* Get the radius for each point based on the minSize, maxSize and each point's Z value. This
* must be done prior to Series.translate because the axis needs to add padding in
* accordance with the point sizes.
*/
getRadii: function (zMin, zMax, minSize, maxSize) {
var len,
i,
pos,
zData = this.zData,
radii = [],
zRange;
// Set the shape type and arguments to be picked up in drawPoints
for (i = 0, len = zData.length; i < len; i++) {
zRange = zMax - zMin;
pos = zRange > 0 ? // relative size, a number between 0 and 1
(zData[i] - zMin) / (zMax - zMin) :
0.5;
radii.push(math.ceil(minSize + pos * (maxSize - minSize)) / 2);
}
this.radii = radii;
},
/**
* Perform animation on the bubbles
*/
animate: function (init) {
var animation = this.options.animation;
if (!init) { // run the animation
each(this.points, function (point) {
var graphic = point.graphic,
shapeArgs = point.shapeArgs;
if (graphic && shapeArgs) {
// start values
graphic.attr('r', 1);
// animate
graphic.animate({
r: shapeArgs.r
}, animation);
}
});
// delete this function to allow it only once
this.animate = null;
}
},
/**
* Extend the base translate method to handle bubble size
*/
translate: function () {
var i,
data = this.data,
point,
radius,
radii = this.radii;
// Run the parent method
seriesTypes.scatter.prototype.translate.call(this);
// Set the shape type and arguments to be picked up in drawPoints
i = data.length;
while (i--) {
point = data[i];
radius = radii ? radii[i] : 0; // #1737
// Flag for negativeColor to be applied in Series.js
point.negative = point.z < (this.options.zThreshold || 0);
if (radius >= this.minPxSize / 2) {
// Shape arguments
point.shapeType = 'circle';
point.shapeArgs = {
x: point.plotX,
y: point.plotY,
r: radius
};
// Alignment box for the data label
point.dlBox = {
x: point.plotX - radius,
y: point.plotY - radius,
width: 2 * radius,
height: 2 * radius
};
} else { // below zThreshold
point.shapeArgs = point.plotY = point.dlBox = UNDEFINED; // #1691
}
}
},
/**
* Get the series' symbol in the legend
*
* @param {Object} legend The legend object
* @param {Object} item The series (this) or point
*/
drawLegendSymbol: function (legend, item) {
var radius = pInt(legend.itemStyle.fontSize) / 2;
item.legendSymbol = this.chart.renderer.circle(
radius,
legend.baseline - radius,
radius
).attr({
zIndex: 3
}).add(item.legendGroup);
item.legendSymbol.isMarker = true;
},
drawPoints: seriesTypes.column.prototype.drawPoints,
alignDataLabel: seriesTypes.column.prototype.alignDataLabel
});
/**
* Add logic to pad each axis with the amount of pixels
* necessary to avoid the bubbles to overflow.
*/
Axis.prototype.beforePadding = function () {
var axis = this,
axisLength = this.len,
chart = this.chart,
pxMin = 0,
pxMax = axisLength,
isXAxis = this.isXAxis,
dataKey = isXAxis ? 'xData' : 'yData',
min = this.min,
extremes = {},
smallestSize = math.min(chart.plotWidth, chart.plotHeight),
zMin = Number.MAX_VALUE,
zMax = -Number.MAX_VALUE,
range = this.max - min,
transA = axisLength / range,
activeSeries = [];
// Handle padding on the second pass, or on redraw
if (this.tickPositions) {
each(this.series, function (series) {
var seriesOptions = series.options,
zData;
if (series.type === 'bubble' && series.visible) {
// Correction for #1673
axis.allowZoomOutside = true;
// Cache it
activeSeries.push(series);
if (isXAxis) { // because X axis is evaluated first
// For each series, translate the size extremes to pixel values
each(['minSize', 'maxSize'], function (prop) {
var length = seriesOptions[prop],
isPercent = /%$/.test(length);
length = pInt(length);
extremes[prop] = isPercent ?
smallestSize * length / 100 :
length;
});
series.minPxSize = extremes.minSize;
// Find the min and max Z
zData = series.zData;
if (zData.length) { // #1735
zMin = math.min(
zMin,
math.max(
arrayMin(zData),
seriesOptions.displayNegative === false ? seriesOptions.zThreshold : -Number.MAX_VALUE
)
);
zMax = math.max(zMax, arrayMax(zData));
}
}
}
});
each(activeSeries, function (series) {
var data = series[dataKey],
i = data.length,
radius;
if (isXAxis) {
series.getRadii(zMin, zMax, extremes.minSize, extremes.maxSize);
}
if (range > 0) {
while (i--) {
radius = series.radii[i];
pxMin = Math.min(((data[i] - min) * transA) - radius, pxMin);
pxMax = Math.max(((data[i] - min) * transA) + radius, pxMax);
}
}
});
if (range > 0 && pick(this.options.min, this.userMin) === UNDEFINED && pick(this.options.max, this.userMax) === UNDEFINED) {
pxMax -= axisLength;
transA *= (axisLength + pxMin - pxMax) / axisLength;
this.min += pxMin / transA;
this.max += pxMax / transA;
}
}
};
/* ****************************************************************************
* End Bubble series code *
*****************************************************************************/
/**
* Extensions for polar charts. Additionally, much of the geometry required for polar charts is
* gathered in RadialAxes.js.
*
*/
var seriesProto = Series.prototype,
pointerProto = Highcharts.Pointer.prototype;
/**
* Translate a point's plotX and plotY from the internal angle and radius measures to
* true plotX, plotY coordinates
*/
seriesProto.toXY = function (point) {
var xy,
chart = this.chart,
plotX = point.plotX,
plotY = point.plotY;
// Save rectangular plotX, plotY for later computation
point.rectPlotX = plotX;
point.rectPlotY = plotY;
// Record the angle in degrees for use in tooltip
point.clientX = ((plotX / Math.PI * 180) + this.xAxis.pane.options.startAngle) % 360;
// Find the polar plotX and plotY
xy = this.xAxis.postTranslate(point.plotX, this.yAxis.len - plotY);
point.plotX = point.polarPlotX = xy.x - chart.plotLeft;
point.plotY = point.polarPlotY = xy.y - chart.plotTop;
};
/**
* Order the tooltip points to get the mouse capture ranges correct. #1915.
*/
seriesProto.orderTooltipPoints = function (points) {
if (this.chart.polar) {
points.sort(function (a, b) {
return a.clientX - b.clientX;
});
// Wrap mouse tracking around to capture movement on the segment to the left
// of the north point (#1469, #2093).
if (points[0]) {
points[0].wrappedClientX = points[0].clientX + 360;
points.push(points[0]);
}
}
};
/**
* Add some special init logic to areas and areasplines
*/
function initArea(proceed, chart, options) {
proceed.call(this, chart, options);
if (this.chart.polar) {
/**
* Overridden method to close a segment path. While in a cartesian plane the area
* goes down to the threshold, in the polar chart it goes to the center.
*/
this.closeSegment = function (path) {
var center = this.xAxis.center;
path.push(
'L',
center[0],
center[1]
);
};
// Instead of complicated logic to draw an area around the inner area in a stack,
// just draw it behind
this.closedStacks = true;
}
}
wrap(seriesTypes.area.prototype, 'init', initArea);
wrap(seriesTypes.areaspline.prototype, 'init', initArea);
/**
* Overridden method for calculating a spline from one point to the next
*/
wrap(seriesTypes.spline.prototype, 'getPointSpline', function (proceed, segment, point, i) {
var ret,
smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc;
denom = smoothing + 1,
plotX,
plotY,
lastPoint,
nextPoint,
lastX,
lastY,
nextX,
nextY,
leftContX,
leftContY,
rightContX,
rightContY,
distanceLeftControlPoint,
distanceRightControlPoint,
leftContAngle,
rightContAngle,
jointAngle;
if (this.chart.polar) {
plotX = point.plotX;
plotY = point.plotY;
lastPoint = segment[i - 1];
nextPoint = segment[i + 1];
// Connect ends
if (this.connectEnds) {
if (!lastPoint) {
lastPoint = segment[segment.length - 2]; // not the last but the second last, because the segment is already connected
}
if (!nextPoint) {
nextPoint = segment[1];
}
}
// find control points
if (lastPoint && nextPoint) {
lastX = lastPoint.plotX;
lastY = lastPoint.plotY;
nextX = nextPoint.plotX;
nextY = nextPoint.plotY;
leftContX = (smoothing * plotX + lastX) / denom;
leftContY = (smoothing * plotY + lastY) / denom;
rightContX = (smoothing * plotX + nextX) / denom;
rightContY = (smoothing * plotY + nextY) / denom;
distanceLeftControlPoint = Math.sqrt(Math.pow(leftContX - plotX, 2) + Math.pow(leftContY - plotY, 2));
distanceRightControlPoint = Math.sqrt(Math.pow(rightContX - plotX, 2) + Math.pow(rightContY - plotY, 2));
leftContAngle = Math.atan2(leftContY - plotY, leftContX - plotX);
rightContAngle = Math.atan2(rightContY - plotY, rightContX - plotX);
jointAngle = (Math.PI / 2) + ((leftContAngle + rightContAngle) / 2);
// Ensure the right direction, jointAngle should be in the same quadrant as leftContAngle
if (Math.abs(leftContAngle - jointAngle) > Math.PI / 2) {
jointAngle -= Math.PI;
}
// Find the corrected control points for a spline straight through the point
leftContX = plotX + Math.cos(jointAngle) * distanceLeftControlPoint;
leftContY = plotY + Math.sin(jointAngle) * distanceLeftControlPoint;
rightContX = plotX + Math.cos(Math.PI + jointAngle) * distanceRightControlPoint;
rightContY = plotY + Math.sin(Math.PI + jointAngle) * distanceRightControlPoint;
// Record for drawing in next point
point.rightContX = rightContX;
point.rightContY = rightContY;
}
// moveTo or lineTo
if (!i) {
ret = ['M', plotX, plotY];
} else { // curve from last point to this
ret = [
'C',
lastPoint.rightContX || lastPoint.plotX,
lastPoint.rightContY || lastPoint.plotY,
leftContX || plotX,
leftContY || plotY,
plotX,
plotY
];
lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
}
} else {
ret = proceed.call(this, segment, point, i);
}
return ret;
});
/**
* Extend translate. The plotX and plotY values are computed as if the polar chart were a
* cartesian plane, where plotX denotes the angle in radians and (yAxis.len - plotY) is the pixel distance from
* center.
*/
wrap(seriesProto, 'translate', function (proceed) {
// Run uber method
proceed.call(this);
// Postprocess plot coordinates
if (this.chart.polar && !this.preventPostTranslate) {
var points = this.points,
i = points.length;
while (i--) {
// Translate plotX, plotY from angle and radius to true plot coordinates
this.toXY(points[i]);
}
}
});
/**
* Extend getSegmentPath to allow connecting ends across 0 to provide a closed circle in
* line-like series.
*/
wrap(seriesProto, 'getSegmentPath', function (proceed, segment) {
var points = this.points;
// Connect the path
if (this.chart.polar && this.options.connectEnds !== false &&
segment[segment.length - 1] === points[points.length - 1] && points[0].y !== null) {
this.connectEnds = true; // re-used in splines
segment = [].concat(segment, [points[0]]);
}
// Run uber method
return proceed.call(this, segment);
});
function polarAnimate(proceed, init) {
var chart = this.chart,
animation = this.options.animation,
group = this.group,
markerGroup = this.markerGroup,
center = this.xAxis.center,
plotLeft = chart.plotLeft,
plotTop = chart.plotTop,
attribs;
// Specific animation for polar charts
if (chart.polar) {
// Enable animation on polar charts only in SVG. In VML, the scaling is different, plus animation
// would be so slow it would't matter.
if (chart.renderer.isSVG) {
if (animation === true) {
animation = {};
}
// Initialize the animation
if (init) {
// Scale down the group and place it in the center
attribs = {
translateX: center[0] + plotLeft,
translateY: center[1] + plotTop,
scaleX: 0.001, // #1499
scaleY: 0.001
};
group.attr(attribs);
if (markerGroup) {
markerGroup.attrSetters = group.attrSetters;
markerGroup.attr(attribs);
}
// Run the animation
} else {
attribs = {
translateX: plotLeft,
translateY: plotTop,
scaleX: 1,
scaleY: 1
};
group.animate(attribs, animation);
if (markerGroup) {
markerGroup.animate(attribs, animation);
}
// Delete this function to allow it only once
this.animate = null;
}
}
// For non-polar charts, revert to the basic animation
} else {
proceed.call(this, init);
}
}
// Define the animate method for both regular series and column series and their derivatives
wrap(seriesProto, 'animate', polarAnimate);
wrap(colProto, 'animate', polarAnimate);
/**
* Throw in a couple of properties to let setTooltipPoints know we're indexing the points
* in degrees (0-360), not plot pixel width.
*/
wrap(seriesProto, 'setTooltipPoints', function (proceed, renew) {
if (this.chart.polar) {
extend(this.xAxis, {
tooltipLen: 360 // degrees are the resolution unit of the tooltipPoints array
});
}
// Run uber method
return proceed.call(this, renew);
});
/**
* Extend the column prototype's translate method
*/
wrap(colProto, 'translate', function (proceed) {
var xAxis = this.xAxis,
len = this.yAxis.len,
center = xAxis.center,
startAngleRad = xAxis.startAngleRad,
renderer = this.chart.renderer,
start,
points,
point,
i;
this.preventPostTranslate = true;
// Run uber method
proceed.call(this);
// Postprocess plot coordinates
if (xAxis.isRadial) {
points = this.points;
i = points.length;
while (i--) {
point = points[i];
start = point.barX + startAngleRad;
point.shapeType = 'path';
point.shapeArgs = {
d: renderer.symbols.arc(
center[0],
center[1],
len - point.plotY,
null,
{
start: start,
end: start + point.pointWidth,
innerR: len - pick(point.yBottom, len)
}
)
};
this.toXY(point); // provide correct plotX, plotY for tooltip
}
}
});
/**
* Align column data labels outside the columns. #1199.
*/
wrap(colProto, 'alignDataLabel', function (proceed, point, dataLabel, options, alignTo, isNew) {
if (this.chart.polar) {
var angle = point.rectPlotX / Math.PI * 180,
align,
verticalAlign;
// Align nicely outside the perimeter of the columns
if (options.align === null) {
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
}
options.align = align;
}
if (options.verticalAlign === null) {
if (angle < 45 || angle > 315) {
verticalAlign = 'bottom'; // top part
} else if (angle > 135 && angle < 225) {
verticalAlign = 'top'; // bottom part
} else {
verticalAlign = 'middle'; // left or right
}
options.verticalAlign = verticalAlign;
}
seriesProto.alignDataLabel.call(this, point, dataLabel, options, alignTo, isNew);
} else {
proceed.call(this, point, dataLabel, options, alignTo, isNew);
}
});
/**
* Extend the mouse tracker to return the tooltip position index in terms of
* degrees rather than pixels
*/
wrap(pointerProto, 'getIndex', function (proceed, e) {
var ret,
chart = this.chart,
center,
x,
y;
if (chart.polar) {
center = chart.xAxis[0].center;
x = e.chartX - center[0] - chart.plotLeft;
y = e.chartY - center[1] - chart.plotTop;
ret = 180 - Math.round(Math.atan2(x, y) / Math.PI * 180);
} else {
// Run uber method
ret = proceed.call(this, e);
}
return ret;
});
/**
* Extend getCoordinates to prepare for polar axis values
*/
wrap(pointerProto, 'getCoordinates', function (proceed, e) {
var chart = this.chart,
ret = {
xAxis: [],
yAxis: []
};
if (chart.polar) {
each(chart.axes, function (axis) {
var isXAxis = axis.isXAxis,
center = axis.center,
x = e.chartX - center[0] - chart.plotLeft,
y = e.chartY - center[1] - chart.plotTop;
ret[isXAxis ? 'xAxis' : 'yAxis'].push({
axis: axis,
value: axis.translate(
isXAxis ?
Math.PI - Math.atan2(x, y) : // angle
Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)), // distance from center
true
)
});
});
} else {
ret = proceed.call(this, e);
}
return ret;
});
}(Highcharts));
?>