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/**
* @license Highcharts JS v6.1.0 (2018-04-13)
*
* (c) 2009-2017 Torstein Honsi
*
* License: www.highcharts.com/license
*/
'use strict';
(function (factory) {
if (typeof module === 'object' && module.exports) {
module.exports = factory;
} else {
factory(Highcharts);
}
}(function (Highcharts) {
(function (H) {
/**
* (c) 2010-2017 Torstein Honsi
*
* License: www.highcharts.com/license
*/
var addEvent = H.addEvent,
Axis = H.Axis,
Chart = H.Chart,
color = H.color,
ColorAxis,
each = H.each,
extend = H.extend,
isNumber = H.isNumber,
Legend = H.Legend,
LegendSymbolMixin = H.LegendSymbolMixin,
noop = H.noop,
merge = H.merge,
pick = H.pick;
// If ColorAxis already exists, we may be loading the heatmap module on top of
// Highmaps.
if (!H.ColorAxis) {
/**
* The ColorAxis object for inclusion in gradient legends
*/
ColorAxis = H.ColorAxis = function () {
this.init.apply(this, arguments);
};
extend(ColorAxis.prototype, Axis.prototype);
extend(ColorAxis.prototype, {
/**
* A color axis for choropleth maps and heat maps. Visually, the color
* axis will appear as a gradient or as separate items inside the
* legend, depending on whether the axis is scalar or based on data
* classes.
*
* For supported color formats, see the
* [docs article about colors](http://www.highcharts.com/docs/chart-design-and-style/colors).
*
* A scalar color axis is represented by a gradient. The colors either
* range between the [minColor](#colorAxis.minColor) and the
* [maxColor](#colorAxis.maxColor), or for more fine grained control the
* colors can be defined in [stops](#colorAxis.stops). Often times, the
* color axis needs to be adjusted to get the right color spread for the
* data. In addition to stops, consider using a logarithmic
* [axis type](#colorAxis.type), or setting [min](#colorAxis.min) and
* [max](#colorAxis.max) to avoid the colors being determined by
* outliers.
*
* When [dataClasses](#colorAxis.dataClasses) are used, the ranges are
* subdivided into separate classes like categories based on their
* values. This can be used for ranges between two values, but also for
* a true category. However, when your data is categorized, it may be as
* convenient to add each category to a separate series.
*
* See [the Axis object](#Axis) for programmatic access to the axis.
* @extends {xAxis}
* @excluding allowDecimals,alternateGridColor,breaks,categories,
* crosshair,dateTimeLabelFormats,lineWidth,linkedTo,maxZoom,
* minRange,minTickInterval,offset,opposite,plotBands,
* plotLines,showEmpty,title
* @product highcharts highmaps
* @optionparent colorAxis
*/
defaultColorAxisOptions: {
/**
* Whether to allow decimals on the color axis.
* @type {Boolean}
* @default true
* @product highcharts highmaps
* @apioption colorAxis.allowDecimals
*/
/**
* Determines how to set each data class' color if no individual
* color is set. The default value, `tween`, computes intermediate
* colors between `minColor` and `maxColor`. The other possible
* value, `category`, pulls colors from the global or chart specific
* [colors](#colors) array.
*
* @validvalue ["tween", "category"]
* @type {String}
* @sample {highmaps} maps/coloraxis/dataclasscolor/ Category colors
* @default tween
* @product highcharts highmaps
* @apioption colorAxis.dataClassColor
*/
/**
* An array of data classes or ranges for the choropleth map. If
* none given, the color axis is scalar and values are distributed
* as a gradient between the minimum and maximum colors.
*
* @type {Array<Object>}
* @sample {highmaps} maps/demo/data-class-ranges/ Multiple ranges
* @sample {highmaps} maps/demo/data-class-two-ranges/ Two ranges
* @product highcharts highmaps
* @apioption colorAxis.dataClasses
*/
/**
* The color of each data class. If not set, the color is pulled
* from the global or chart-specific [colors](#colors) array. In
* styled mode, this option is ignored. Instead, use colors defined
* in CSS.
*
* @type {Color}
* @sample {highmaps} maps/demo/data-class-two-ranges/
* Explicit colors
* @product highcharts highmaps
* @apioption colorAxis.dataClasses.color
*/
/**
* The start of the value range that the data class represents,
* relating to the point value.
*
* The range of each `dataClass` is closed in both ends, but can be
* overridden by the next `dataClass`.
*
* @type {Number}
* @product highcharts highmaps
* @apioption colorAxis.dataClasses.from
*/
/**
* The name of the data class as it appears in the legend.
* If no name is given, it is automatically created based on the
* `from` and `to` values. For full programmatic control,
* [legend.labelFormatter](#legend.labelFormatter) can be used.
* In the formatter, `this.from` and `this.to` can be accessed.
*
* @type {String}
* @sample {highmaps} maps/coloraxis/dataclasses-name/
* Named data classes
* @sample {highmaps} maps/coloraxis/dataclasses-labelformatter/
* Formatted data classes
* @product highcharts highmaps
* @apioption colorAxis.dataClasses.name
*/
/**
* The end of the value range that the data class represents,
* relating to the point value.
*
* The range of each `dataClass` is closed in both ends, but can be
* overridden by the next `dataClass`.
*
* @type {Number}
* @product highcharts highmaps
* @apioption colorAxis.dataClasses.to
*/
/**
* @ignore-option
*/
lineWidth: 0,
/**
* Padding of the min value relative to the length of the axis. A
* padding of 0.05 will make a 100px axis 5px longer.
*
* @type {Number}
* @product highcharts highmaps
*/
minPadding: 0,
/**
* The maximum value of the axis in terms of map point values. If
* `null`, the max value is automatically calculated. If the
* `endOnTick` option is true, the max value might be rounded up.
*
* @type {Number}
* @sample {highmaps} maps/coloraxis/gridlines/
* Explicit min and max to reduce the effect of outliers
* @product highcharts highmaps
* @apioption colorAxis.max
*/
/**
* The minimum value of the axis in terms of map point values. If
* `null`, the min value is automatically calculated. If the
* `startOnTick` option is true, the min value might be rounded
* down.
*
* @type {Number}
* @sample {highmaps} maps/coloraxis/gridlines/
* Explicit min and max to reduce the effect of outliers
* @product highcharts highmaps
* @apioption colorAxis.min
*/
/**
* Padding of the max value relative to the length of the axis. A
* padding of 0.05 will make a 100px axis 5px longer.
*
* @type {Number}
* @product highcharts highmaps
*/
maxPadding: 0,
/**
* Color of the grid lines extending from the axis across the
* gradient.
*
* @type {Color}
* @sample {highmaps} maps/coloraxis/gridlines/
* Grid lines demonstrated
* @default #e6e6e6
* @product highcharts highmaps
* @apioption colorAxis.gridLineColor
*/
/**
* The width of the grid lines extending from the axis across the
* gradient of a scalar color axis.
*
* @type {Number}
* @sample {highmaps} maps/coloraxis/gridlines/
* Grid lines demonstrated
* @default 1
* @product highcharts highmaps
*/
gridLineWidth: 1,
/**
* The interval of the tick marks in axis units. When `null`, the
* tick interval is computed to approximately follow the
* `tickPixelInterval`.
*
* @type {Number}
* @product highcharts highmaps
* @apioption colorAxis.tickInterval
*/
/**
* If [tickInterval](#colorAxis.tickInterval) is `null` this option
* sets the approximate pixel interval of the tick marks.
*
* @type {Number}
* @default 72
* @product highcharts highmaps
*/
tickPixelInterval: 72,
/**
* Whether to force the axis to start on a tick. Use this option
* with the `maxPadding` option to control the axis start.
*
* @type {Boolean}
* @default true
* @product highcharts highmaps
*/
startOnTick: true,
/**
* Whether to force the axis to end on a tick. Use this option with
* the [maxPadding](#colorAxis.maxPadding) option to control the
* axis end.
*
* @type {Boolean}
* @default true
* @product highcharts highmaps
*/
endOnTick: true,
/** @ignore */
offset: 0,
/**
* The triangular marker on a scalar color axis that points to the
* value of the hovered area. To disable the marker, set
* `marker: null`.
*
* @type {Object}
* @sample {highmaps} maps/coloraxis/marker/ Black marker
* @product highcharts highmaps
*/
marker: {
/**
* Animation for the marker as it moves between values. Set to
* `false` to disable animation. Defaults to `{ duration: 50 }`.
*
* @type {Object|Boolean}
* @product highcharts highmaps
*/
animation: {
duration: 50
},
/**
* @ignore
*/
width: 0.01,
/**
* The color of the marker.
*
* @type {Color}
* @default #999999
* @product highcharts highmaps
*/
color: '#999999'
},
/**
* The axis labels show the number for each tick.
*
* For more live examples on label options, see [xAxis.labels in the
* Highcharts API.](/highcharts#xAxis.labels)
*
* @type {Object}
* @extends xAxis.labels
* @product highcharts highmaps
*/
labels: {
/**
* How to handle overflowing labels on horizontal color axis.
* Can be undefined or "justify". If "justify", labels will not
* render outside the legend area. If there is room to move it,
* it will be aligned to the edge, else it will be removed.
*
* @validvalue [null, "justify"]
* @type {String}
* @default justify
* @product highcharts highmaps
*/
overflow: 'justify',
rotation: 0
},
/**
* The color to represent the minimum of the color axis. Unless
* [dataClasses](#colorAxis.dataClasses) or
* [stops](#colorAxis.stops) are set, the gradient starts at this
* value.
*
* If dataClasses are set, the color is based on minColor and
* maxColor unless a color is set for each data class, or the
* [dataClassColor](#colorAxis.dataClassColor) is set.
*
* @type {Color}
* @sample {highmaps} maps/coloraxis/mincolor-maxcolor/
* Min and max colors on scalar (gradient) axis
* @sample {highmaps} maps/coloraxis/mincolor-maxcolor-dataclasses/
* On data classes
* @default #e6ebf5
* @product highcharts highmaps
*/
minColor: '#e6ebf5',
/**
* The color to represent the maximum of the color axis. Unless
* [dataClasses](#colorAxis.dataClasses) or
* [stops](#colorAxis.stops) are set, the gradient ends at this
* value.
*
* If dataClasses are set, the color is based on minColor and
* maxColor unless a color is set for each data class, or the
* [dataClassColor](#colorAxis.dataClassColor) is set.
*
* @type {Color}
* @sample {highmaps} maps/coloraxis/mincolor-maxcolor/
* Min and max colors on scalar (gradient) axis
* @sample {highmaps} maps/coloraxis/mincolor-maxcolor-dataclasses/
* On data classes
* @default #003399
* @product highcharts highmaps
*/
maxColor: '#003399',
/**
* Color stops for the gradient of a scalar color axis. Use this in
* cases where a linear gradient between a `minColor` and `maxColor`
* is not sufficient. The stops is an array of tuples, where the
* first item is a float between 0 and 1 assigning the relative
* position in the gradient, and the second item is the color.
*
* @type {Array<Array>}
* @sample {highmaps} maps/demo/heatmap/
* Heatmap with three color stops
* @product highcharts highmaps
* @apioption colorAxis.stops
*/
/**
* The pixel length of the main tick marks on the color axis.
*/
tickLength: 5,
/**
* The type of interpolation to use for the color axis. Can be
* `linear` or `logarithmic`.
*
* @validvalue ["linear", "logarithmic"]
* @type {String}
* @default linear
* @product highcharts highmaps
* @apioption colorAxis.type
*/
/**
* Whether to reverse the axis so that the highest number is closest
* to the origin. Defaults to `false` in a horizontal legend and
* `true` in a vertical legend, where the smallest value starts on
* top.
*
* @type {Boolean}
* @product highcharts highmaps
* @apioption colorAxis.reversed
*/
/**
* Fires when the legend item belonging to the colorAxis is clicked.
* One parameter, `event`, is passed to the function.
*
* @type {Function}
* @product highcharts highmaps
* @apioption colorAxis.events.legendItemClick
*/
/**
* Whether to display the colorAxis in the legend.
*
* @type {Boolean}
* @see [heatmap.showInLegend](#series.heatmap.showInLegend)
* @default true
* @since 4.2.7
* @product highcharts highmaps
*/
showInLegend: true
},
// Properties to preserve after destroy, for Axis.update (#5881, #6025)
keepProps: [
'legendGroup',
'legendItemHeight',
'legendItemWidth',
'legendItem',
'legendSymbol'
].concat(Axis.prototype.keepProps),
/**
* Initialize the color axis
*/
init: function (chart, userOptions) {
var horiz = chart.options.legend.layout !== 'vertical',
options;
this.coll = 'colorAxis';
// Build the options
options = merge(this.defaultColorAxisOptions, {
side: horiz ? 2 : 1,
reversed: !horiz
}, userOptions, {
opposite: !horiz,
showEmpty: false,
title: null,
visible: chart.options.legend.enabled
});
Axis.prototype.init.call(this, chart, options);
// Base init() pushes it to the xAxis array, now pop it again
// chart[this.isXAxis ? 'xAxis' : 'yAxis'].pop();
// Prepare data classes
if (userOptions.dataClasses) {
this.initDataClasses(userOptions);
}
this.initStops();
// Override original axis properties
this.horiz = horiz;
this.zoomEnabled = false;
// Add default values
this.defaultLegendLength = 200;
},
initDataClasses: function (userOptions) {
var chart = this.chart,
dataClasses,
colorCounter = 0,
colorCount = chart.options.chart.colorCount,
options = this.options,
len = userOptions.dataClasses.length;
this.dataClasses = dataClasses = [];
this.legendItems = [];
each(userOptions.dataClasses, function (dataClass, i) {
var colors;
dataClass = merge(dataClass);
dataClasses.push(dataClass);
if (dataClass.color) {
return;
}
if (options.dataClassColor === 'category') {
colors = chart.options.colors;
colorCount = colors.length;
dataClass.color = colors[colorCounter];
dataClass.colorIndex = colorCounter;
// increase and loop back to zero
colorCounter++;
if (colorCounter === colorCount) {
colorCounter = 0;
}
} else {
dataClass.color = color(options.minColor).tweenTo(
color(options.maxColor),
len < 2 ? 0.5 : i / (len - 1) // #3219
);
}
});
},
/**
* Override so that ticks are not added in data class axes (#6914)
*/
setTickPositions: function () {
if (!this.dataClasses) {
return Axis.prototype.setTickPositions.call(this);
}
},
initStops: function () {
this.stops = this.options.stops || [
[0, this.options.minColor],
[1, this.options.maxColor]
];
each(this.stops, function (stop) {
stop.color = color(stop[1]);
});
},
/**
* Extend the setOptions method to process extreme colors and color
* stops.
*/
setOptions: function (userOptions) {
Axis.prototype.setOptions.call(this, userOptions);
this.options.crosshair = this.options.marker;
},
setAxisSize: function () {
var symbol = this.legendSymbol,
chart = this.chart,
legendOptions = chart.options.legend || {},
x,
y,
width,
height;
if (symbol) {
this.left = x = symbol.attr('x');
this.top = y = symbol.attr('y');
this.width = width = symbol.attr('width');
this.height = height = symbol.attr('height');
this.right = chart.chartWidth - x - width;
this.bottom = chart.chartHeight - y - height;
this.len = this.horiz ? width : height;
this.pos = this.horiz ? x : y;
} else {
// Fake length for disabled legend to avoid tick issues
// and such (#5205)
this.len = (
this.horiz ?
legendOptions.symbolWidth :
legendOptions.symbolHeight
) || this.defaultLegendLength;
}
},
normalizedValue: function (value) {
if (this.isLog) {
value = this.val2lin(value);
}
return 1 - ((this.max - value) / ((this.max - this.min) || 1));
},
/**
* Translate from a value to a color
*/
toColor: function (value, point) {
var pos,
stops = this.stops,
from,
to,
color,
dataClasses = this.dataClasses,
dataClass,
i;
if (dataClasses) {
i = dataClasses.length;
while (i--) {
dataClass = dataClasses[i];
from = dataClass.from;
to = dataClass.to;
if (
(from === undefined || value >= from) &&
(to === undefined || value <= to)
) {
color = dataClass.color;
if (point) {
point.dataClass = i;
point.colorIndex = dataClass.colorIndex;
}
break;
}
}
} else {
pos = this.normalizedValue(value);
i = stops.length;
while (i--) {
if (pos > stops[i][0]) {
break;
}
}
from = stops[i] || stops[i + 1];
to = stops[i + 1] || from;
// The position within the gradient
pos = 1 - (to[0] - pos) / ((to[0] - from[0]) || 1);
color = from.color.tweenTo(
to.color,
pos
);
}
return color;
},
/**
* Override the getOffset method to add the whole axis groups inside
* the legend.
*/
getOffset: function () {
var group = this.legendGroup,
sideOffset = this.chart.axisOffset[this.side];
if (group) {
// Hook for the getOffset method to add groups to this parent
// group
this.axisParent = group;
// Call the base
Axis.prototype.getOffset.call(this);
// First time only
if (!this.added) {
this.added = true;
this.labelLeft = 0;
this.labelRight = this.width;
}
// Reset it to avoid color axis reserving space
this.chart.axisOffset[this.side] = sideOffset;
}
},
/**
* Create the color gradient
*/
setLegendColor: function () {
var grad,
horiz = this.horiz,
reversed = this.reversed,
one = reversed ? 1 : 0,
zero = reversed ? 0 : 1;
grad = horiz ? [one, 0, zero, 0] : [0, zero, 0, one]; // #3190
this.legendColor = {
linearGradient: {
x1: grad[0], y1: grad[1],
x2: grad[2], y2: grad[3]
},
stops: this.stops
};
},
/**
* The color axis appears inside the legend and has its own legend
* symbol
*/
drawLegendSymbol: function (legend, item) {
var padding = legend.padding,
legendOptions = legend.options,
horiz = this.horiz,
width = pick(
legendOptions.symbolWidth,
horiz ? this.defaultLegendLength : 12
),
height = pick(
legendOptions.symbolHeight,
horiz ? 12 : this.defaultLegendLength
),
labelPadding = pick(
legendOptions.labelPadding,
horiz ? 16 : 30
),
itemDistance = pick(legendOptions.itemDistance, 10);
this.setLegendColor();
// Create the gradient
item.legendSymbol = this.chart.renderer.rect(
0,
legend.baseline - 11,
width,
height
).attr({
zIndex: 1
}).add(item.legendGroup);
// Set how much space this legend item takes up
this.legendItemWidth = width + padding +
(horiz ? itemDistance : labelPadding);
this.legendItemHeight = height + padding +
(horiz ? labelPadding : 0);
},
/**
* Fool the legend
*/
setState: function (state) {
each(this.series, function (series) {
series.setState(state);
});
},
visible: true,
setVisible: noop,
getSeriesExtremes: function () {
var series = this.series,
i = series.length;
this.dataMin = Infinity;
this.dataMax = -Infinity;
while (i--) {
if (series[i].valueMin !== undefined) {
this.dataMin = Math.min(this.dataMin, series[i].valueMin);
this.dataMax = Math.max(this.dataMax, series[i].valueMax);
}
}
},
drawCrosshair: function (e, point) {
var plotX = point && point.plotX,
plotY = point && point.plotY,
crossPos,
axisPos = this.pos,
axisLen = this.len;
if (point) {
crossPos = this.toPixels(point[point.series.colorKey]);
if (crossPos < axisPos) {
crossPos = axisPos - 2;
} else if (crossPos > axisPos + axisLen) {
crossPos = axisPos + axisLen + 2;
}
point.plotX = crossPos;
point.plotY = this.len - crossPos;
Axis.prototype.drawCrosshair.call(this, e, point);
point.plotX = plotX;
point.plotY = plotY;
if (
this.cross &&
!this.cross.addedToColorAxis &&
this.legendGroup
) {
this.cross
.addClass('highcharts-coloraxis-marker')
.add(this.legendGroup);
this.cross.addedToColorAxis = true;
this.cross.attr({
fill: this.crosshair.color
});
}
}
},
getPlotLinePath: function (a, b, c, d, pos) {
// crosshairs only
return isNumber(pos) ? // pos can be 0 (#3969)
(
this.horiz ? [
'M',
pos - 4, this.top - 6,
'L',
pos + 4, this.top - 6,
pos, this.top,
'Z'
] : [
'M',
this.left, pos,
'L',
this.left - 6, pos + 6,
this.left - 6, pos - 6,
'Z'
]
) :
Axis.prototype.getPlotLinePath.call(this, a, b, c, d);
},
update: function (newOptions, redraw) {
var chart = this.chart,
legend = chart.legend;
each(this.series, function (series) {
// Needed for Axis.update when choropleth colors change
series.isDirtyData = true;
});
// When updating data classes, destroy old items and make sure new
// ones are created (#3207)
if (newOptions.dataClasses && legend.allItems) {
each(legend.allItems, function (item) {
if (item.isDataClass && item.legendGroup) {
item.legendGroup.destroy();
}
});
chart.isDirtyLegend = true;
}
// Keep the options structure updated for export. Unlike xAxis and
// yAxis, the colorAxis is not an array. (#3207)
chart.options[this.coll] = merge(this.userOptions, newOptions);
Axis.prototype.update.call(this, newOptions, redraw);
if (this.legendItem) {
this.setLegendColor();
legend.colorizeItem(this, true);
}
},
/**
* Extend basic axis remove by also removing the legend item.
*/
remove: function () {
if (this.legendItem) {
this.chart.legend.destroyItem(this);
}
Axis.prototype.remove.call(this);
},
/**
* Get the legend item symbols for data classes
*/
getDataClassLegendSymbols: function () {
var axis = this,
chart = this.chart,
legendItems = this.legendItems,
legendOptions = chart.options.legend,
valueDecimals = legendOptions.valueDecimals,
valueSuffix = legendOptions.valueSuffix || '',
name;
if (!legendItems.length) {
each(this.dataClasses, function (dataClass, i) {
var vis = true,
from = dataClass.from,
to = dataClass.to;
// Assemble the default name. This can be overridden
// by legend.options.labelFormatter
name = '';
if (from === undefined) {
name = '< ';
} else if (to === undefined) {
name = '> ';
}
if (from !== undefined) {
name += H.numberFormat(from, valueDecimals) +
valueSuffix;
}
if (from !== undefined && to !== undefined) {
name += ' - ';
}
if (to !== undefined) {
name += H.numberFormat(to, valueDecimals) + valueSuffix;
}
// Add a mock object to the legend items
legendItems.push(extend({
chart: chart,
name: name,
options: {},
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
visible: true,
setState: noop,
isDataClass: true,
setVisible: function () {
vis = this.visible = !vis;
each(axis.series, function (series) {
each(series.points, function (point) {
if (point.dataClass === i) {
point.setVisible(vis);
}
});
});
chart.legend.colorizeItem(this, vis);
}
}, dataClass));
});
}
return legendItems;
},
name: '' // Prevents 'undefined' in legend in IE8
});
/**
* Handle animation of the color attributes directly
*/
each(['fill', 'stroke'], function (prop) {
H.Fx.prototype[prop + 'Setter'] = function () {
this.elem.attr(
prop,
color(this.start).tweenTo(
color(this.end),
this.pos
),
null,
true
);
};
});
/**
* Extend the chart getAxes method to also get the color axis
*/
addEvent(Chart, 'afterGetAxes', function () {
var options = this.options,
colorAxisOptions = options.colorAxis;
this.colorAxis = [];
if (colorAxisOptions) {
new ColorAxis(this, colorAxisOptions); // eslint-disable-line no-new
}
});
/**
* Add the color axis. This also removes the axis' own series to prevent
* them from showing up individually.
*/
addEvent(Legend, 'afterGetAllItems', function (e) {
var colorAxisItems = [],
colorAxis = this.chart.colorAxis[0];
if (colorAxis && colorAxis.options) {
if (colorAxis.options.showInLegend) {
// Data classes
if (colorAxis.options.dataClasses) {
colorAxisItems = colorAxis.getDataClassLegendSymbols();
// Gradient legend
} else {
// Add this axis on top
colorAxisItems.push(colorAxis);
}
}
// Don't add the color axis' series
each(colorAxis.series, function (series) {
H.erase(e.allItems, series);
});
}
while (colorAxisItems.length) {
e.allItems.unshift(colorAxisItems.pop());
}
});
addEvent(Legend, 'afterColorizeItem', function (e) {
if (e.visible && e.item.legendColor) {
e.item.legendSymbol.attr({
fill: e.item.legendColor
});
}
});
// Updates in the legend need to be reflected in the color axis (6888)
addEvent(Legend, 'afterUpdate', function () {
if (this.chart.colorAxis[0]) {
this.chart.colorAxis[0].update({}, arguments[2]);
}
});
}
}(Highcharts));
(function (H) {
/**
* (c) 2010-2017 Torstein Honsi
*
* License: www.highcharts.com/license
*/
var defined = H.defined,
each = H.each,
noop = H.noop,
seriesTypes = H.seriesTypes;
/**
* Mixin for maps and heatmaps
*/
H.colorPointMixin = {
/**
* Color points have a value option that determines whether or not it is
* a null point
*/
isValid: function () {
// undefined is allowed
return (
this.value !== null &&
this.value !== Infinity &&
this.value !== -Infinity
);
},
/**
* Set the visibility of a single point
*/
setVisible: function (vis) {
var point = this,
method = vis ? 'show' : 'hide';
// Show and hide associated elements
each(['graphic', 'dataLabel'], function (key) {
if (point[key]) {
point[key][method]();
}
});
},
setState: function (state) {
H.Point.prototype.setState.call(this, state);
if (this.graphic) {
this.graphic.attr({
zIndex: state === 'hover' ? 1 : 0
});
}
}
};
H.colorSeriesMixin = {
pointArrayMap: ['value'],
axisTypes: ['xAxis', 'yAxis', 'colorAxis'],
optionalAxis: 'colorAxis',
trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
getSymbol: noop,
parallelArrays: ['x', 'y', 'value'],
colorKey: 'value',
pointAttribs: seriesTypes.column.prototype.pointAttribs,
/**
* In choropleth maps, the color is a result of the value, so this needs
* translation too
*/
translateColors: function () {
var series = this,
nullColor = this.options.nullColor,
colorAxis = this.colorAxis,
colorKey = this.colorKey;
each(this.data, function (point) {
var value = point[colorKey],
color;
color = point.options.color ||
(
point.isNull ?
nullColor :
(colorAxis && value !== undefined) ?
colorAxis.toColor(value, point) :
point.color || series.color
);
if (color) {
point.color = color;
}
});
},
/**
* Get the color attibutes to apply on the graphic
*/
colorAttribs: function (point) {
var ret = {};
if (defined(point.color)) {
ret[this.colorProp || 'fill'] = point.color;
}
return ret;
}
};
}(Highcharts));
(function (H) {
/**
* (c) 2010-2017 Torstein Honsi
*
* License: www.highcharts.com/license
*/
var colorPointMixin = H.colorPointMixin,
colorSeriesMixin = H.colorSeriesMixin,
each = H.each,
LegendSymbolMixin = H.LegendSymbolMixin,
merge = H.merge,
noop = H.noop,
pick = H.pick,
Series = H.Series,
seriesType = H.seriesType,
seriesTypes = H.seriesTypes;
/**
* A heatmap is a graphical representation of data where the individual values
* contained in a matrix are represented as colors.
*
* @sample highcharts/demo/heatmap/
* Simple heatmap
* @sample highcharts/demo/heatmap-canvas/
* Heavy heatmap
* @extends {plotOptions.scatter}
* @excluding animationLimit,connectEnds,connectNulls,dashStyle,
* findNearestPointBy,getExtremesFromAll,linecap,lineWidth,marker,
* pointInterval,pointIntervalUnit,pointRange,pointStart,shadow,
* softThreshold,stacking,step,threshold
* @product highcharts highmaps
* @optionparent plotOptions.heatmap
*/
seriesType('heatmap', 'scatter', {
/**
* Animation is disabled by default on the heatmap series.
*
* @type {Boolean|Object}
*/
animation: false,
/**
* The border width for each heat map item.
*/
borderWidth: 0,
/**
* Padding between the points in the heatmap.
*
* @type {Number}
* @default 0
* @since 6.0
* @apioption plotOptions.heatmap.pointPadding
*/
/**
* The main color of the series. In heat maps this color is rarely used,
* as we mostly use the color to denote the value of each point. Unless
* options are set in the [colorAxis](#colorAxis), the default value
* is pulled from the [options.colors](#colors) array.
*
* @type {Color}
* @default null
* @since 4.0
* @product highcharts
* @apioption plotOptions.heatmap.color
*/
/**
* The column size - how many X axis units each column in the heatmap
* should span.
*
* @type {Number}
* @sample {highcharts} maps/demo/heatmap/ One day
* @sample {highmaps} maps/demo/heatmap/ One day
* @default 1
* @since 4.0
* @product highcharts highmaps
* @apioption plotOptions.heatmap.colsize
*/
/**
* The row size - how many Y axis units each heatmap row should span.
*
* @type {Number}
* @sample {highcharts} maps/demo/heatmap/ 1 by default
* @sample {highmaps} maps/demo/heatmap/ 1 by default
* @default 1
* @since 4.0
* @product highcharts highmaps
* @apioption plotOptions.heatmap.rowsize
*/
/**
* The color applied to null points. In styled mode, a general CSS class is
* applied instead.
*
* @type {Color}
*/
nullColor: '#f7f7f7',
dataLabels: {
formatter: function () { // #2945
return this.point.value;
},
inside: true,
verticalAlign: 'middle',
crop: false,
overflow: false,
padding: 0 // #3837
},
/**
* @ignore
*/
marker: null,
/** @ignore */
pointRange: null, // dynamically set to colsize by default
tooltip: {
pointFormat: '{point.x}, {point.y}: {point.value}<br/>'
},
states: {
hover: {
/**
* @ignore
*/
halo: false, // #3406, halo is disabled on heatmaps by default
/**
* How much to brighten the point on interaction. Requires the main
* color to be defined in hex or rgb(a) format.
*
* In styled mode, the hover brightening is by default replaced
* with a fill-opacity set in the `.highcharts-point:hover` rule.
*
* @type {Number}
* @product highcharts highmaps
*/
brightness: 0.2
}
}
}, merge(colorSeriesMixin, {
pointArrayMap: ['y', 'value'],
hasPointSpecificOptions: true,
getExtremesFromAll: true,
directTouch: true,
/**
* Override the init method to add point ranges on both axes.
*/
init: function () {
var options;
seriesTypes.scatter.prototype.init.apply(this, arguments);
options = this.options;
// #3758, prevent resetting in setData
options.pointRange = pick(options.pointRange, options.colsize || 1);
this.yAxis.axisPointRange = options.rowsize || 1; // general point range
},
translate: function () {
var series = this,
options = series.options,
xAxis = series.xAxis,
yAxis = series.yAxis,
seriesPointPadding = options.pointPadding || 0,
between = function (x, a, b) {
return Math.min(Math.max(a, x), b);
};
series.generatePoints();
each(series.points, function (point) {
var xPad = (options.colsize || 1) / 2,
yPad = (options.rowsize || 1) / 2,
x1 = between(
Math.round(
xAxis.len -
xAxis.translate(point.x - xPad, 0, 1, 0, 1)
),
-xAxis.len, 2 * xAxis.len
),
x2 = between(
Math.round(
xAxis.len -
xAxis.translate(point.x + xPad, 0, 1, 0, 1)
),
-xAxis.len, 2 * xAxis.len
),
y1 = between(
Math.round(yAxis.translate(point.y - yPad, 0, 1, 0, 1)),
-yAxis.len, 2 * yAxis.len
),
y2 = between(
Math.round(yAxis.translate(point.y + yPad, 0, 1, 0, 1)),
-yAxis.len, 2 * yAxis.len
),
pointPadding = pick(point.pointPadding, seriesPointPadding);
// Set plotX and plotY for use in K-D-Tree and more
point.plotX = point.clientX = (x1 + x2) / 2;
point.plotY = (y1 + y2) / 2;
point.shapeType = 'rect';
point.shapeArgs = {
x: Math.min(x1, x2) + pointPadding,
y: Math.min(y1, y2) + pointPadding,
width: Math.abs(x2 - x1) - pointPadding * 2,
height: Math.abs(y2 - y1) - pointPadding * 2
};
});
series.translateColors();
},
drawPoints: function () {
seriesTypes.column.prototype.drawPoints.call(this);
each(this.points, function (point) {
point.graphic.attr(this.colorAttribs(point));
}, this);
},
animate: noop,
getBox: noop,
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
alignDataLabel: seriesTypes.column.prototype.alignDataLabel,
getExtremes: function () {
// Get the extremes from the value data
Series.prototype.getExtremes.call(this, this.valueData);
this.valueMin = this.dataMin;
this.valueMax = this.dataMax;
// Get the extremes from the y data
Series.prototype.getExtremes.call(this);
}
}), H.extend({
haloPath: function (size) {
if (!size) {
return [];
}
var rect = this.shapeArgs;
return [
'M', rect.x - size, rect.y - size,
'L', rect.x - size, rect.y + rect.height + size,
rect.x + rect.width + size, rect.y + rect.height + size,
rect.x + rect.width + size, rect.y - size,
'Z'
];
}
}, colorPointMixin));
/**
* A `heatmap` series. If the [type](#series.heatmap.type) option is
* not specified, it is inherited from [chart.type](#chart.type).
*
* @type {Object}
* @extends series,plotOptions.heatmap
* @excluding dataParser,dataURL,marker,pointRange,stack
* @product highcharts highmaps
* @apioption series.heatmap
*/
/**
* An array of data points for the series. For the `heatmap` series
* type, points can be given in the following ways:
*
* 1. An array of arrays with 3 or 2 values. In this case, the values
* correspond to `x,y,value`. If the first value is a string, it is
* applied as the name of the point, and the `x` value is inferred.
* The `x` value can also be omitted, in which case the inner arrays
* should be of length 2\. Then the `x` value is automatically calculated,
* either starting at 0 and incremented by 1, or from `pointStart`
* and `pointInterval` given in the series options.
*
* ```js
* data: [
* [0, 9, 7],
* [1, 10, 4],
* [2, 6, 3]
* ]
* ```
*
* 2. An array of objects with named values. The objects are point
* configuration objects as seen below. If the total number of data
* points exceeds the series' [turboThreshold](#series.heatmap.turboThreshold),
* this option is not available.
*
* ```js
* data: [{
* x: 1,
* y: 3,
* value: 10,
* name: "Point2",
* color: "#00FF00"
* }, {
* x: 1,
* y: 7,
* value: 10,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @type {Array<Object|Array>}
* @extends series.line.data
* @excluding marker
* @sample {highcharts} highcharts/chart/reflow-true/
* Numerical values
* @sample {highcharts} highcharts/series/data-array-of-arrays/
* Arrays of numeric x and y
* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
* Arrays of datetime x and y
* @sample {highcharts} highcharts/series/data-array-of-name-value/
* Arrays of point.name and y
* @sample {highcharts} highcharts/series/data-array-of-objects/
* Config objects
* @product highcharts highmaps
* @apioption series.heatmap.data
*/
/**
* The color of the point. In heat maps the point color is rarely set
* explicitly, as we use the color to denote the `value`. Options for
* this are set in the [colorAxis](#colorAxis) configuration.
*
* @type {Color}
* @product highcharts highmaps
* @apioption series.heatmap.data.color
*/
/**
* The value of the point, resulting in a color controled by options
* as set in the [colorAxis](#colorAxis) configuration.
*
* @type {Number}
* @product highcharts highmaps
* @apioption series.heatmap.data.value
*/
/**
* The x value of the point. For datetime axes,
* the X value is the timestamp in milliseconds since 1970.
*
* @type {Number}
* @product highcharts highmaps
* @apioption series.heatmap.data.x
*/
/**
* The y value of the point.
*
* @type {Number}
* @product highcharts highmaps
* @apioption series.heatmap.data.y
*/
/**
* Point padding for a single point.
*
* @type {Number}
* @sample maps/plotoptions/tilemap-pointpadding Point padding on tiles
* @apioption series.heatmap.data.pointPadding
*/
}(Highcharts));
}));