forked from qwerty/tupali
2792 lines
103 KiB
JavaScript
2792 lines
103 KiB
JavaScript
/* *
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*
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* (c) 2010-2020 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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import Color from './Color.js';
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var color = Color.parse;
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import H from './Globals.js';
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import SVGElement from './SVGElement.js';
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import U from './Utilities.js';
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var addEvent = U.addEvent, attr = U.attr, createElement = U.createElement, css = U.css, defined = U.defined, destroyObjectProperties = U.destroyObjectProperties, erase = U.erase, extend = U.extend, isArray = U.isArray, isNumber = U.isNumber, isObject = U.isObject, isString = U.isString, merge = U.merge, objectEach = U.objectEach, pick = U.pick, pInt = U.pInt, removeEvent = U.removeEvent, splat = U.splat, stop = U.stop, uniqueKey = U.uniqueKey;
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/**
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* The horizontal alignment of an element.
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*
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* @typedef {"center"|"left"|"right"} Highcharts.AlignValue
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*/
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/**
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* Options to align the element relative to the chart or another box.
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*
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* @interface Highcharts.AlignObject
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*/ /**
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* Horizontal alignment. Can be one of `left`, `center` and `right`.
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*
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* @name Highcharts.AlignObject#align
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* @type {Highcharts.AlignValue|undefined}
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*
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* @default left
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*/ /**
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* Vertical alignment. Can be one of `top`, `middle` and `bottom`.
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*
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* @name Highcharts.AlignObject#verticalAlign
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* @type {Highcharts.VerticalAlignValue|undefined}
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*
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* @default top
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*/ /**
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* Horizontal pixel offset from alignment.
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*
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* @name Highcharts.AlignObject#x
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* @type {number|undefined}
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*
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* @default 0
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*/ /**
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* Vertical pixel offset from alignment.
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*
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* @name Highcharts.AlignObject#y
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* @type {number|undefined}
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*
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* @default 0
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*/ /**
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* Use the `transform` attribute with translateX and translateY custom
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* attributes to align this elements rather than `x` and `y` attributes.
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*
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* @name Highcharts.AlignObject#alignByTranslate
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* @type {boolean|undefined}
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*
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* @default false
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*/
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/**
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* Bounding box of an element.
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*
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* @interface Highcharts.BBoxObject
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* @extends Highcharts.PositionObject
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*/ /**
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* Height of the bounding box.
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*
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* @name Highcharts.BBoxObject#height
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* @type {number}
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*/ /**
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* Width of the bounding box.
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*
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* @name Highcharts.BBoxObject#width
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* @type {number}
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*/ /**
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* Horizontal position of the bounding box.
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*
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* @name Highcharts.BBoxObject#x
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* @type {number}
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*/ /**
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* Vertical position of the bounding box.
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*
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* @name Highcharts.BBoxObject#y
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* @type {number}
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*/
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/**
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* A clipping rectangle that can be applied to one or more {@link SVGElement}
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* instances. It is instanciated with the {@link SVGRenderer#clipRect} function
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* and applied with the {@link SVGElement#clip} function.
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*
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* @example
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* var circle = renderer.circle(100, 100, 100)
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* .attr({ fill: 'red' })
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* .add();
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* var clipRect = renderer.clipRect(100, 100, 100, 100);
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*
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* // Leave only the lower right quarter visible
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* circle.clip(clipRect);
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*
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* @typedef {Highcharts.SVGElement} Highcharts.ClipRectElement
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*/
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/**
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* The font metrics.
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*
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* @interface Highcharts.FontMetricsObject
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*/ /**
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* The baseline relative to the top of the box.
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*
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* @name Highcharts.FontMetricsObject#b
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* @type {number}
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*/ /**
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* The font size.
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*
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* @name Highcharts.FontMetricsObject#f
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* @type {number}
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*/ /**
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* The line height.
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*
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* @name Highcharts.FontMetricsObject#h
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* @type {number}
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*/
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/**
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* An object containing `x` and `y` properties for the position of an element.
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*
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* @interface Highcharts.PositionObject
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*/ /**
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* X position of the element.
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* @name Highcharts.PositionObject#x
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* @type {number}
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*/ /**
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* Y position of the element.
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* @name Highcharts.PositionObject#y
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* @type {number}
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*/
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/**
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* A rectangle.
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*
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* @interface Highcharts.RectangleObject
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*/ /**
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* Height of the rectangle.
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* @name Highcharts.RectangleObject#height
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* @type {number}
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*/ /**
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* Width of the rectangle.
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* @name Highcharts.RectangleObject#width
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* @type {number}
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*/ /**
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* Horizontal position of the rectangle.
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* @name Highcharts.RectangleObject#x
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* @type {number}
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*/ /**
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* Vertical position of the rectangle.
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* @name Highcharts.RectangleObject#y
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* @type {number}
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*/
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/**
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* The shadow options.
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*
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* @interface Highcharts.ShadowOptionsObject
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*/ /**
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* The shadow color.
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* @name Highcharts.ShadowOptionsObject#color
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* @type {Highcharts.ColorString|undefined}
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* @default #000000
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*/ /**
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* The horizontal offset from the element.
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*
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* @name Highcharts.ShadowOptionsObject#offsetX
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* @type {number|undefined}
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* @default 1
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*/ /**
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* The vertical offset from the element.
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* @name Highcharts.ShadowOptionsObject#offsetY
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* @type {number|undefined}
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* @default 1
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*/ /**
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* The shadow opacity.
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*
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* @name Highcharts.ShadowOptionsObject#opacity
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* @type {number|undefined}
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* @default 0.15
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*/ /**
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* The shadow width or distance from the element.
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* @name Highcharts.ShadowOptionsObject#width
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* @type {number|undefined}
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* @default 3
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*/
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/**
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* @interface Highcharts.SizeObject
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*/ /**
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* @name Highcharts.SizeObject#height
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* @type {number}
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*/ /**
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* @name Highcharts.SizeObject#width
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* @type {number}
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*/
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/**
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* An object of key-value pairs for SVG attributes. Attributes in Highcharts
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* elements for the most parts correspond to SVG, but some are specific to
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* Highcharts, like `zIndex`, `rotation`, `rotationOriginX`,
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* `rotationOriginY`, `translateX`, `translateY`, `scaleX` and `scaleY`. SVG
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* attributes containing a hyphen are _not_ camel-cased, they should be
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* quoted to preserve the hyphen.
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*
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* @example
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* {
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* 'stroke': '#ff0000', // basic
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* 'stroke-width': 2, // hyphenated
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* 'rotation': 45 // custom
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* 'd': ['M', 10, 10, 'L', 30, 30, 'z'] // path definition, note format
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* }
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*
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* @interface Highcharts.SVGAttributes
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*/ /**
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* @name Highcharts.SVGAttributes#[key:string]
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* @type {*}
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*/ /**
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* @name Highcharts.SVGAttributes#d
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* @type {string|Highcharts.SVGPathArray|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#fill
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#inverted
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* @type {boolean|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#matrix
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* @type {Array<number>|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#rotation
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#rotationOriginX
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#rotationOriginY
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#scaleX
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#scaleY
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#stroke
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#style
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* @type {string|Highcharts.CSSObject|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#translateX
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#translateY
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* @type {number|undefined}
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*/ /**
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* @name Highcharts.SVGAttributes#zIndex
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* @type {number|undefined}
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*/
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/**
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* Serialized form of an SVG definition, including children. Some key
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* property names are reserved: tagName, textContent, and children.
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*
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* @interface Highcharts.SVGDefinitionObject
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*/ /**
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* @name Highcharts.SVGDefinitionObject#[key:string]
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* @type {boolean|number|string|Array<Highcharts.SVGDefinitionObject>|undefined}
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*/ /**
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* @name Highcharts.SVGDefinitionObject#children
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* @type {Array<Highcharts.SVGDefinitionObject>|undefined}
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*/ /**
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* @name Highcharts.SVGDefinitionObject#tagName
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* @type {string|undefined}
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*/ /**
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* @name Highcharts.SVGDefinitionObject#textContent
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* @type {string|undefined}
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*/
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/**
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* An SVG DOM element. The type is a reference to the regular SVGElement in the
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* global scope.
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*
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* @typedef {globals.GlobalSVGElement} Highcharts.SVGDOMElement
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*
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* @see https://developer.mozilla.org/en-US/docs/Web/API/SVGElement
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*/
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/**
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* Array of path commands, that will go into the `d` attribute of an SVG
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* element.
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*
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* @typedef {Array<number|Highcharts.SVGPathCommand>} Highcharts.SVGPathArray
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*/
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/**
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* Possible path commands in a SVG path array.
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*
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* @typedef {string} Highcharts.SVGPathCommand
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* @validvalue ["a","c","h","l","m","q","s","t","v","z","A","C","H","L","M","Q","S","T","V","Z"]
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*/
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/**
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* An extendable collection of functions for defining symbol paths. Symbols are
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* used internally for point markers, button and label borders and backgrounds,
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* or custom shapes. Extendable by adding to {@link SVGRenderer#symbols}.
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*
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* @interface Highcharts.SymbolDictionary
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*/ /**
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* @name Highcharts.SymbolDictionary#[key:string]
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* @type {Function|undefined}
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*/ /**
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* @name Highcharts.SymbolDictionary#arc
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* @type {Function|undefined}
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*/ /**
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* @name Highcharts.SymbolDictionary#callout
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* @type {Function|undefined}
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*/ /**
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* @name Highcharts.SymbolDictionary#circle
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* @type {Function|undefined}
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*/ /**
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* @name Highcharts.SymbolDictionary#diamond
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* @type {Function|undefined}
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*/ /**
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* @name Highcharts.SymbolDictionary#square
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* @type {Function|undefined}
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*/ /**
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* @name Highcharts.SymbolDictionary#triangle
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* @type {Function|undefined}
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*/
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/**
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* Can be one of `arc`, `callout`, `circle`, `diamond`, `square`, `triangle`,
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* and `triangle-down`. Symbols are used internally for point markers, button
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* and label borders and backgrounds, or custom shapes. Extendable by adding to
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* {@link SVGRenderer#symbols}.
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*
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* @typedef {"arc"|"callout"|"circle"|"diamond"|"square"|"triangle"|"triangle-down"} Highcharts.SymbolKeyValue
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*/
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/**
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* Additional options, depending on the actual symbol drawn.
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*
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* @interface Highcharts.SymbolOptionsObject
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*/ /**
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* The anchor X position for the `callout` symbol. This is where the chevron
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* points to.
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*
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* @name Highcharts.SymbolOptionsObject#anchorX
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* @type {number|undefined}
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*/ /**
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* The anchor Y position for the `callout` symbol. This is where the chevron
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* points to.
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*
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* @name Highcharts.SymbolOptionsObject#anchorY
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* @type {number|undefined}
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*/ /**
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* The end angle of an `arc` symbol.
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*
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* @name Highcharts.SymbolOptionsObject#end
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* @type {number|undefined}
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*/ /**
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* Whether to draw `arc` symbol open or closed.
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*
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* @name Highcharts.SymbolOptionsObject#open
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* @type {boolean|undefined}
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*/ /**
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* The radius of an `arc` symbol, or the border radius for the `callout` symbol.
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*
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* @name Highcharts.SymbolOptionsObject#r
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* @type {number|undefined}
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*/ /**
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* The start angle of an `arc` symbol.
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*
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* @name Highcharts.SymbolOptionsObject#start
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* @type {number|undefined}
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*/
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/**
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* The vertical alignment of an element.
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*
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* @typedef {"bottom"|"middle"|"top"} Highcharts.VerticalAlignValue
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*/
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/* eslint-disable no-invalid-this, valid-jsdoc */
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var SVGRenderer, charts = H.charts, deg2rad = H.deg2rad, doc = H.doc, hasTouch = H.hasTouch, isFirefox = H.isFirefox, isMS = H.isMS, isWebKit = H.isWebKit, noop = H.noop, svg = H.svg, SVG_NS = H.SVG_NS, symbolSizes = H.symbolSizes, win = H.win;
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/**
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* Allows direct access to the Highcharts rendering layer in order to draw
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* primitive shapes like circles, rectangles, paths or text directly on a chart,
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* or independent from any chart. The SVGRenderer represents a wrapper object
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* for SVG in modern browsers. Through the VMLRenderer, part of the `oldie.js`
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* module, it also brings vector graphics to IE <= 8.
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*
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* An existing chart's renderer can be accessed through {@link Chart.renderer}.
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* The renderer can also be used completely decoupled from a chart.
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*
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* @sample highcharts/members/renderer-on-chart
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* Annotating a chart programmatically.
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* @sample highcharts/members/renderer-basic
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* Independent SVG drawing.
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*
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* @example
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* // Use directly without a chart object.
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* var renderer = new Highcharts.Renderer(parentNode, 600, 400);
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*
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* @class
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* @name Highcharts.SVGRenderer
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*
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* @param {Highcharts.HTMLDOMElement} container
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* Where to put the SVG in the web page.
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*
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* @param {number} width
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* The width of the SVG.
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*
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* @param {number} height
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* The height of the SVG.
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*
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* @param {Highcharts.CSSObject} [style]
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* The box style, if not in styleMode
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*
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* @param {boolean} [forExport=false]
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* Whether the rendered content is intended for export.
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*
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* @param {boolean} [allowHTML=true]
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* Whether the renderer is allowed to include HTML text, which will be
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* projected on top of the SVG.
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*
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* @param {boolean} [styledMode=false]
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* Whether the renderer belongs to a chart that is in styled mode.
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* If it does, it will avoid setting presentational attributes in
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* some cases, but not when set explicitly through `.attr` and `.css`
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* etc.
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*/
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SVGRenderer = H.SVGRenderer = function () {
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this.init.apply(this, arguments);
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};
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extend(SVGRenderer.prototype, /** @lends Highcharts.SVGRenderer.prototype */ {
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/**
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* A pointer to the renderer's associated Element class. The VMLRenderer
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* will have a pointer to VMLElement here.
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*
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* @name Highcharts.SVGRenderer#Element
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* @type {Highcharts.SVGElement}
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*/
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Element: SVGElement,
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SVG_NS: SVG_NS,
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/**
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* Initialize the SVGRenderer. Overridable initializer function that takes
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* the same parameters as the constructor.
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*
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* @function Highcharts.SVGRenderer#init
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*
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* @param {Highcharts.HTMLDOMElement} container
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* Where to put the SVG in the web page.
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*
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* @param {number} width
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* The width of the SVG.
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*
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* @param {number} height
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* The height of the SVG.
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*
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* @param {Highcharts.CSSObject} [style]
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* The box style, if not in styleMode
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*
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* @param {boolean} [forExport=false]
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* Whether the rendered content is intended for export.
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*
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* @param {boolean} [allowHTML=true]
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* Whether the renderer is allowed to include HTML text, which will
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* be projected on top of the SVG.
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*
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* @param {boolean} [styledMode=false]
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* Whether the renderer belongs to a chart that is in styled mode.
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* If it does, it will avoid setting presentational attributes in
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* some cases, but not when set explicitly through `.attr` and `.css`
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* etc.
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*
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* @return {void}
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*/
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init: function (container, width, height, style, forExport, allowHTML, styledMode) {
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var renderer = this, boxWrapper, element, desc;
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boxWrapper = renderer.createElement('svg')
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.attr({
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version: '1.1',
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'class': 'highcharts-root'
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});
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if (!styledMode) {
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boxWrapper.css(this.getStyle(style));
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}
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element = boxWrapper.element;
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container.appendChild(element);
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// Always use ltr on the container, otherwise text-anchor will be
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// flipped and text appear outside labels, buttons, tooltip etc (#3482)
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attr(container, 'dir', 'ltr');
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// For browsers other than IE, add the namespace attribute (#1978)
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if (container.innerHTML.indexOf('xmlns') === -1) {
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attr(element, 'xmlns', this.SVG_NS);
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}
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// object properties
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renderer.isSVG = true;
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/**
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* The root `svg` node of the renderer.
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*
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* @name Highcharts.SVGRenderer#box
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* @type {Highcharts.SVGDOMElement}
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*/
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this.box = element;
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/**
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* The wrapper for the root `svg` node of the renderer.
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*
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* @name Highcharts.SVGRenderer#boxWrapper
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* @type {Highcharts.SVGElement}
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*/
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this.boxWrapper = boxWrapper;
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renderer.alignedObjects = [];
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/**
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* Page url used for internal references.
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*
|
|
* @private
|
|
* @name Highcharts.SVGRenderer#url
|
|
* @type {string}
|
|
*/
|
|
// #24, #672, #1070
|
|
this.url = ((isFirefox || isWebKit) &&
|
|
doc.getElementsByTagName('base').length) ?
|
|
win.location.href
|
|
.split('#')[0] // remove the hash
|
|
.replace(/<[^>]*>/g, '') // wing cut HTML
|
|
// escape parantheses and quotes
|
|
.replace(/([\('\)])/g, '\\$1')
|
|
// replace spaces (needed for Safari only)
|
|
.replace(/ /g, '%20') :
|
|
'';
|
|
// Add description
|
|
desc = this.createElement('desc').add();
|
|
desc.element.appendChild(doc.createTextNode('Created with Highcharts 8.1.0'));
|
|
/**
|
|
* A pointer to the `defs` node of the root SVG.
|
|
*
|
|
* @name Highcharts.SVGRenderer#defs
|
|
* @type {Highcharts.SVGElement}
|
|
*/
|
|
renderer.defs = this.createElement('defs').add();
|
|
renderer.allowHTML = allowHTML;
|
|
renderer.forExport = forExport;
|
|
renderer.styledMode = styledMode;
|
|
renderer.gradients = {}; // Object where gradient SvgElements are stored
|
|
renderer.cache = {}; // Cache for numerical bounding boxes
|
|
renderer.cacheKeys = [];
|
|
renderer.imgCount = 0;
|
|
renderer.setSize(width, height, false);
|
|
// Issue 110 workaround:
|
|
// In Firefox, if a div is positioned by percentage, its pixel position
|
|
// may land between pixels. The container itself doesn't display this,
|
|
// but an SVG element inside this container will be drawn at subpixel
|
|
// precision. In order to draw sharp lines, this must be compensated
|
|
// for. This doesn't seem to work inside iframes though (like in
|
|
// jsFiddle).
|
|
var subPixelFix, rect;
|
|
if (isFirefox && container.getBoundingClientRect) {
|
|
subPixelFix = function () {
|
|
css(container, { left: 0, top: 0 });
|
|
rect = container.getBoundingClientRect();
|
|
css(container, {
|
|
left: (Math.ceil(rect.left) - rect.left) + 'px',
|
|
top: (Math.ceil(rect.top) - rect.top) + 'px'
|
|
});
|
|
};
|
|
// run the fix now
|
|
subPixelFix();
|
|
// run it on resize
|
|
renderer.unSubPixelFix = addEvent(win, 'resize', subPixelFix);
|
|
}
|
|
},
|
|
/**
|
|
* General method for adding a definition to the SVG `defs` tag. Can be used
|
|
* for gradients, fills, filters etc. Styled mode only. A hook for adding
|
|
* general definitions to the SVG's defs tag. Definitions can be referenced
|
|
* from the CSS by its `id`. Read more in
|
|
* [gradients, shadows and patterns](https://www.highcharts.com/docs/chart-design-and-style/gradients-shadows-and-patterns).
|
|
* Styled mode only.
|
|
*
|
|
* @function Highcharts.SVGRenderer#definition
|
|
*
|
|
* @param {Highcharts.SVGDefinitionObject} def
|
|
* A serialized form of an SVG definition, including children.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The inserted node.
|
|
*/
|
|
definition: function (def) {
|
|
var ren = this;
|
|
/**
|
|
* @private
|
|
* @param {Highcharts.SVGDefinitionObject} config - SVG definition
|
|
* @param {Highcharts.SVGElement} [parent] - parent node
|
|
*/
|
|
function recurse(config, parent) {
|
|
var ret;
|
|
splat(config).forEach(function (item) {
|
|
var node = ren.createElement(item.tagName), attr = {};
|
|
// Set attributes
|
|
objectEach(item, function (val, key) {
|
|
if (key !== 'tagName' &&
|
|
key !== 'children' &&
|
|
key !== 'textContent') {
|
|
attr[key] = val;
|
|
}
|
|
});
|
|
node.attr(attr);
|
|
// Add to the tree
|
|
node.add(parent || ren.defs);
|
|
// Add text content
|
|
if (item.textContent) {
|
|
node.element.appendChild(doc.createTextNode(item.textContent));
|
|
}
|
|
// Recurse
|
|
recurse(item.children || [], node);
|
|
ret = node;
|
|
});
|
|
// Return last node added (on top level it's the only one)
|
|
return ret;
|
|
}
|
|
return recurse(def);
|
|
},
|
|
/**
|
|
* Get the global style setting for the renderer.
|
|
*
|
|
* @private
|
|
* @function Highcharts.SVGRenderer#getStyle
|
|
*
|
|
* @param {Highcharts.CSSObject} style
|
|
* Style settings.
|
|
*
|
|
* @return {Highcharts.CSSObject}
|
|
* The style settings mixed with defaults.
|
|
*/
|
|
getStyle: function (style) {
|
|
this.style = extend({
|
|
fontFamily: '"Lucida Grande", "Lucida Sans Unicode", ' +
|
|
'Arial, Helvetica, sans-serif',
|
|
fontSize: '12px'
|
|
}, style);
|
|
return this.style;
|
|
},
|
|
/**
|
|
* Apply the global style on the renderer, mixed with the default styles.
|
|
*
|
|
* @function Highcharts.SVGRenderer#setStyle
|
|
*
|
|
* @param {Highcharts.CSSObject} style
|
|
* CSS to apply.
|
|
*/
|
|
setStyle: function (style) {
|
|
this.boxWrapper.css(this.getStyle(style));
|
|
},
|
|
/**
|
|
* Detect whether the renderer is hidden. This happens when one of the
|
|
* parent elements has `display: none`. Used internally to detect when we
|
|
* needto render preliminarily in another div to get the text bounding boxes
|
|
* right.
|
|
*
|
|
* @function Highcharts.SVGRenderer#isHidden
|
|
*
|
|
* @return {boolean}
|
|
* True if it is hidden.
|
|
*/
|
|
isHidden: function () {
|
|
return !this.boxWrapper.getBBox().width;
|
|
},
|
|
/**
|
|
* Destroys the renderer and its allocated members.
|
|
*
|
|
* @function Highcharts.SVGRenderer#destroy
|
|
*
|
|
* @return {null}
|
|
*/
|
|
destroy: function () {
|
|
var renderer = this, rendererDefs = renderer.defs;
|
|
renderer.box = null;
|
|
renderer.boxWrapper = renderer.boxWrapper.destroy();
|
|
// Call destroy on all gradient elements
|
|
destroyObjectProperties(renderer.gradients || {});
|
|
renderer.gradients = null;
|
|
// Defs are null in VMLRenderer
|
|
// Otherwise, destroy them here.
|
|
if (rendererDefs) {
|
|
renderer.defs = rendererDefs.destroy();
|
|
}
|
|
// Remove sub pixel fix handler (#982)
|
|
if (renderer.unSubPixelFix) {
|
|
renderer.unSubPixelFix();
|
|
}
|
|
renderer.alignedObjects = null;
|
|
return null;
|
|
},
|
|
/**
|
|
* Create a wrapper for an SVG element. Serves as a factory for
|
|
* {@link SVGElement}, but this function is itself mostly called from
|
|
* primitive factories like {@link SVGRenderer#path}, {@link
|
|
* SVGRenderer#rect} or {@link SVGRenderer#text}.
|
|
*
|
|
* @function Highcharts.SVGRenderer#createElement
|
|
*
|
|
* @param {string} nodeName
|
|
* The node name, for example `rect`, `g` etc.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated SVGElement.
|
|
*/
|
|
createElement: function (nodeName) {
|
|
var wrapper = new this.Element();
|
|
wrapper.init(this, nodeName);
|
|
return wrapper;
|
|
},
|
|
/**
|
|
* Dummy function for plugins, called every time the renderer is updated.
|
|
* Prior to Highcharts 5, this was used for the canvg renderer.
|
|
*
|
|
* @deprecated
|
|
* @function Highcharts.SVGRenderer#draw
|
|
*/
|
|
draw: noop,
|
|
/**
|
|
* Get converted radial gradient attributes according to the radial
|
|
* reference. Used internally from the {@link SVGElement#colorGradient}
|
|
* function.
|
|
*
|
|
* @private
|
|
* @function Highcharts.SVGRenderer#getRadialAttr
|
|
*
|
|
* @param {Array<number>} radialReference
|
|
*
|
|
* @param {Highcharts.SVGAttributes} gradAttr
|
|
*
|
|
* @return {Highcharts.SVGAttributes}
|
|
*/
|
|
getRadialAttr: function (radialReference, gradAttr) {
|
|
return {
|
|
cx: (radialReference[0] - radialReference[2] / 2) +
|
|
gradAttr.cx * radialReference[2],
|
|
cy: (radialReference[1] - radialReference[2] / 2) +
|
|
gradAttr.cy * radialReference[2],
|
|
r: gradAttr.r * radialReference[2]
|
|
};
|
|
},
|
|
/**
|
|
* Truncate the text node contents to a given length. Used when the css
|
|
* width is set. If the `textOverflow` is `ellipsis`, the text is truncated
|
|
* character by character to the given length. If not, the text is
|
|
* word-wrapped line by line.
|
|
*
|
|
* @private
|
|
* @function Highcharts.SVGRenderer#truncate
|
|
*
|
|
* @param {Highcharts.SVGElement} wrapper
|
|
*
|
|
* @param {Highcharts.HTMLDOMElement} tspan
|
|
*
|
|
* @param {string|undefined} text
|
|
*
|
|
* @param {Array<string>|undefined} words
|
|
*
|
|
* @param {number} startAt
|
|
*
|
|
* @param {number} width
|
|
*
|
|
* @param {Function} getString
|
|
*
|
|
* @return {boolean}
|
|
* True if tspan is too long.
|
|
*/
|
|
truncate: function (wrapper, tspan, text, words, startAt, width, getString) {
|
|
var renderer = this, rotation = wrapper.rotation, str,
|
|
// Word wrap can not be truncated to shorter than one word, ellipsis
|
|
// text can be completely blank.
|
|
minIndex = words ? 1 : 0, maxIndex = (text || words).length, currentIndex = maxIndex,
|
|
// Cache the lengths to avoid checking the same twice
|
|
lengths = [], updateTSpan = function (s) {
|
|
if (tspan.firstChild) {
|
|
tspan.removeChild(tspan.firstChild);
|
|
}
|
|
if (s) {
|
|
tspan.appendChild(doc.createTextNode(s));
|
|
}
|
|
}, getSubStringLength = function (charEnd, concatenatedEnd) {
|
|
// charEnd is useed when finding the character-by-character
|
|
// break for ellipsis, concatenatedEnd is used for word-by-word
|
|
// break for word wrapping.
|
|
var end = concatenatedEnd || charEnd;
|
|
if (typeof lengths[end] === 'undefined') {
|
|
// Modern browsers
|
|
if (tspan.getSubStringLength) {
|
|
// Fails with DOM exception on unit-tests/legend/members
|
|
// of unknown reason. Desired width is 0, text content
|
|
// is "5" and end is 1.
|
|
try {
|
|
lengths[end] = startAt +
|
|
tspan.getSubStringLength(0, words ? end + 1 : end);
|
|
}
|
|
catch (e) {
|
|
'';
|
|
}
|
|
// Legacy
|
|
}
|
|
else if (renderer.getSpanWidth) { // #9058 jsdom
|
|
updateTSpan(getString(text || words, charEnd));
|
|
lengths[end] = startAt +
|
|
renderer.getSpanWidth(wrapper, tspan);
|
|
}
|
|
}
|
|
return lengths[end];
|
|
}, actualWidth, truncated;
|
|
wrapper.rotation = 0; // discard rotation when computing box
|
|
actualWidth = getSubStringLength(tspan.textContent.length);
|
|
truncated = startAt + actualWidth > width;
|
|
if (truncated) {
|
|
// Do a binary search for the index where to truncate the text
|
|
while (minIndex <= maxIndex) {
|
|
currentIndex = Math.ceil((minIndex + maxIndex) / 2);
|
|
// When checking words for word-wrap, we need to build the
|
|
// string and measure the subStringLength at the concatenated
|
|
// word length.
|
|
if (words) {
|
|
str = getString(words, currentIndex);
|
|
}
|
|
actualWidth = getSubStringLength(currentIndex, str && str.length - 1);
|
|
if (minIndex === maxIndex) {
|
|
// Complete
|
|
minIndex = maxIndex + 1;
|
|
}
|
|
else if (actualWidth > width) {
|
|
// Too large. Set max index to current.
|
|
maxIndex = currentIndex - 1;
|
|
}
|
|
else {
|
|
// Within width. Set min index to current.
|
|
minIndex = currentIndex;
|
|
}
|
|
}
|
|
// If max index was 0 it means the shortest possible text was also
|
|
// too large. For ellipsis that means only the ellipsis, while for
|
|
// word wrap it means the whole first word.
|
|
if (maxIndex === 0) {
|
|
// Remove ellipsis
|
|
updateTSpan('');
|
|
// If the new text length is one less than the original, we don't
|
|
// need the ellipsis
|
|
}
|
|
else if (!(text && maxIndex === text.length - 1)) {
|
|
updateTSpan(str || getString(text || words, currentIndex));
|
|
}
|
|
}
|
|
// When doing line wrapping, prepare for the next line by removing the
|
|
// items from this line.
|
|
if (words) {
|
|
words.splice(0, currentIndex);
|
|
}
|
|
wrapper.actualWidth = actualWidth;
|
|
wrapper.rotation = rotation; // Apply rotation again.
|
|
return truncated;
|
|
},
|
|
/**
|
|
* A collection of characters mapped to HTML entities. When `useHTML` on an
|
|
* element is true, these entities will be rendered correctly by HTML. In
|
|
* the SVG pseudo-HTML, they need to be unescaped back to simple characters,
|
|
* so for example `<` will render as `<`.
|
|
*
|
|
* @example
|
|
* // Add support for unescaping quotes
|
|
* Highcharts.SVGRenderer.prototype.escapes['"'] = '"';
|
|
*
|
|
* @name Highcharts.SVGRenderer#escapes
|
|
* @type {Highcharts.Dictionary<string>}
|
|
*/
|
|
escapes: {
|
|
'&': '&',
|
|
'<': '<',
|
|
'>': '>',
|
|
"'": ''',
|
|
'"': '"'
|
|
},
|
|
/**
|
|
* Parse a simple HTML string into SVG tspans. Called internally when text
|
|
* is set on an SVGElement. The function supports a subset of HTML tags, CSS
|
|
* text features like `width`, `text-overflow`, `white-space`, and also
|
|
* attributes like `href` and `style`.
|
|
*
|
|
* @private
|
|
* @function Highcharts.SVGRenderer#buildText
|
|
*
|
|
* @param {Highcharts.SVGElement} wrapper
|
|
* The parent SVGElement.
|
|
*
|
|
* @return {void}
|
|
*/
|
|
buildText: function (wrapper) {
|
|
var textNode = wrapper.element, renderer = this, forExport = renderer.forExport, textStr = pick(wrapper.textStr, '').toString(), hasMarkup = textStr.indexOf('<') !== -1, lines, childNodes = textNode.childNodes, truncated, parentX = attr(textNode, 'x'), textStyles = wrapper.styles, width = wrapper.textWidth, textLineHeight = textStyles && textStyles.lineHeight, textOutline = textStyles && textStyles.textOutline, ellipsis = textStyles && textStyles.textOverflow === 'ellipsis', noWrap = textStyles && textStyles.whiteSpace === 'nowrap', fontSize = textStyles && textStyles.fontSize, textCache, isSubsequentLine, i = childNodes.length, tempParent = width && !wrapper.added && this.box, getLineHeight = function (tspan) {
|
|
var fontSizeStyle;
|
|
if (!renderer.styledMode) {
|
|
fontSizeStyle =
|
|
/(px|em)$/.test(tspan && tspan.style.fontSize) ?
|
|
tspan.style.fontSize :
|
|
(fontSize || renderer.style.fontSize || 12);
|
|
}
|
|
return textLineHeight ?
|
|
pInt(textLineHeight) :
|
|
renderer.fontMetrics(fontSizeStyle,
|
|
// Get the computed size from parent if not explicit
|
|
(tspan.getAttribute('style') ? tspan : textNode)).h;
|
|
}, unescapeEntities = function (inputStr, except) {
|
|
objectEach(renderer.escapes, function (value, key) {
|
|
if (!except || except.indexOf(value) === -1) {
|
|
inputStr = inputStr.toString().replace(new RegExp(value, 'g'), key);
|
|
}
|
|
});
|
|
return inputStr;
|
|
}, parseAttribute = function (s, attr) {
|
|
var start, delimiter;
|
|
start = s.indexOf('<');
|
|
s = s.substring(start, s.indexOf('>') - start);
|
|
start = s.indexOf(attr + '=');
|
|
if (start !== -1) {
|
|
start = start + attr.length + 1;
|
|
delimiter = s.charAt(start);
|
|
if (delimiter === '"' || delimiter === "'") { // eslint-disable-line quotes
|
|
s = s.substring(start + 1);
|
|
return s.substring(0, s.indexOf(delimiter));
|
|
}
|
|
}
|
|
};
|
|
var regexMatchBreaks = /<br.*?>/g;
|
|
// The buildText code is quite heavy, so if we're not changing something
|
|
// that affects the text, skip it (#6113).
|
|
textCache = [
|
|
textStr,
|
|
ellipsis,
|
|
noWrap,
|
|
textLineHeight,
|
|
textOutline,
|
|
fontSize,
|
|
width
|
|
].join(',');
|
|
if (textCache === wrapper.textCache) {
|
|
return;
|
|
}
|
|
wrapper.textCache = textCache;
|
|
// Remove old text
|
|
while (i--) {
|
|
textNode.removeChild(childNodes[i]);
|
|
}
|
|
// Skip tspans, add text directly to text node. The forceTSpan is a hook
|
|
// used in text outline hack.
|
|
if (!hasMarkup &&
|
|
!textOutline &&
|
|
!ellipsis &&
|
|
!width &&
|
|
(textStr.indexOf(' ') === -1 ||
|
|
(noWrap && !regexMatchBreaks.test(textStr)))) {
|
|
textNode.appendChild(doc.createTextNode(unescapeEntities(textStr)));
|
|
// Complex strings, add more logic
|
|
}
|
|
else {
|
|
if (tempParent) {
|
|
// attach it to the DOM to read offset width
|
|
tempParent.appendChild(textNode);
|
|
}
|
|
if (hasMarkup) {
|
|
lines = renderer.styledMode ? (textStr
|
|
.replace(/<(b|strong)>/g, '<span class="highcharts-strong">')
|
|
.replace(/<(i|em)>/g, '<span class="highcharts-emphasized">')) : (textStr
|
|
.replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
|
|
.replace(/<(i|em)>/g, '<span style="font-style:italic">'));
|
|
lines = lines
|
|
.replace(/<a/g, '<span')
|
|
.replace(/<\/(b|strong|i|em|a)>/g, '</span>')
|
|
.split(regexMatchBreaks);
|
|
}
|
|
else {
|
|
lines = [textStr];
|
|
}
|
|
// Trim empty lines (#5261)
|
|
lines = lines.filter(function (line) {
|
|
return line !== '';
|
|
});
|
|
// build the lines
|
|
lines.forEach(function (line, lineNo) {
|
|
var spans, spanNo = 0, lineLength = 0;
|
|
line = line
|
|
// Trim to prevent useless/costly process on the spaces
|
|
// (#5258)
|
|
.replace(/^\s+|\s+$/g, '')
|
|
.replace(/<span/g, '|||<span')
|
|
.replace(/<\/span>/g, '</span>|||');
|
|
spans = line.split('|||');
|
|
spans.forEach(function buildTextSpans(span) {
|
|
if (span !== '' || spans.length === 1) {
|
|
var attributes = {}, tspan = doc.createElementNS(renderer.SVG_NS, 'tspan'), classAttribute, styleAttribute, // #390
|
|
hrefAttribute;
|
|
classAttribute = parseAttribute(span, 'class');
|
|
if (classAttribute) {
|
|
attr(tspan, 'class', classAttribute);
|
|
}
|
|
styleAttribute = parseAttribute(span, 'style');
|
|
if (styleAttribute) {
|
|
styleAttribute = styleAttribute.replace(/(;| |^)color([ :])/, '$1fill$2');
|
|
attr(tspan, 'style', styleAttribute);
|
|
}
|
|
// Not for export - #1529
|
|
hrefAttribute = parseAttribute(span, 'href');
|
|
if (hrefAttribute && !forExport) {
|
|
attr(tspan, 'onclick', 'location.href=\"' + hrefAttribute + '\"');
|
|
attr(tspan, 'class', 'highcharts-anchor');
|
|
if (!renderer.styledMode) {
|
|
css(tspan, { cursor: 'pointer' });
|
|
}
|
|
}
|
|
// Strip away unsupported HTML tags (#7126)
|
|
span = unescapeEntities(span.replace(/<[a-zA-Z\/](.|\n)*?>/g, '') || ' ');
|
|
// Nested tags aren't supported, and cause crash in
|
|
// Safari (#1596)
|
|
if (span !== ' ') {
|
|
// add the text node
|
|
tspan.appendChild(doc.createTextNode(span));
|
|
// First span in a line, align it to the left
|
|
if (!spanNo) {
|
|
if (lineNo && parentX !== null) {
|
|
attributes.x = parentX;
|
|
}
|
|
}
|
|
else {
|
|
attributes.dx = 0; // #16
|
|
}
|
|
// add attributes
|
|
attr(tspan, attributes);
|
|
// Append it
|
|
textNode.appendChild(tspan);
|
|
// first span on subsequent line, add the line
|
|
// height
|
|
if (!spanNo && isSubsequentLine) {
|
|
// allow getting the right offset height in
|
|
// exporting in IE
|
|
if (!svg && forExport) {
|
|
css(tspan, { display: 'block' });
|
|
}
|
|
// Set the line height based on the font size of
|
|
// either the text element or the tspan element
|
|
attr(tspan, 'dy', getLineHeight(tspan));
|
|
}
|
|
// Check width and apply soft breaks or ellipsis
|
|
if (width) {
|
|
var words = span.replace(/([^\^])-/g, '$1- ').split(' '), // #1273
|
|
hasWhiteSpace = !noWrap && (spans.length > 1 ||
|
|
lineNo ||
|
|
words.length > 1), wrapLineNo = 0, dy = getLineHeight(tspan);
|
|
if (ellipsis) {
|
|
truncated = renderer.truncate(wrapper, tspan, span, void 0, 0,
|
|
// Target width
|
|
Math.max(0,
|
|
// Substract the font face to make
|
|
// room for the ellipsis itself
|
|
width - parseInt(fontSize || 12, 10)),
|
|
// Build the text to test for
|
|
function (text, currentIndex) {
|
|
return text.substring(0, currentIndex) + '\u2026';
|
|
});
|
|
}
|
|
else if (hasWhiteSpace) {
|
|
while (words.length) {
|
|
// For subsequent lines, create tspans
|
|
// with the same style attributes as the
|
|
// parent text node.
|
|
if (words.length &&
|
|
!noWrap &&
|
|
wrapLineNo > 0) {
|
|
tspan = doc.createElementNS(SVG_NS, 'tspan');
|
|
attr(tspan, {
|
|
dy: dy,
|
|
x: parentX
|
|
});
|
|
if (styleAttribute) { // #390
|
|
attr(tspan, 'style', styleAttribute);
|
|
}
|
|
// Start by appending the full
|
|
// remaining text
|
|
tspan.appendChild(doc.createTextNode(words.join(' ')
|
|
.replace(/- /g, '-')));
|
|
textNode.appendChild(tspan);
|
|
}
|
|
// For each line, truncate the remaining
|
|
// words into the line length.
|
|
renderer.truncate(wrapper, tspan, null, words, wrapLineNo === 0 ? lineLength : 0, width,
|
|
// Build the text to test for
|
|
function (text, currentIndex) {
|
|
return words
|
|
.slice(0, currentIndex)
|
|
.join(' ')
|
|
.replace(/- /g, '-');
|
|
});
|
|
lineLength = wrapper.actualWidth;
|
|
wrapLineNo++;
|
|
}
|
|
}
|
|
}
|
|
spanNo++;
|
|
}
|
|
}
|
|
});
|
|
// To avoid beginning lines that doesn't add to the textNode
|
|
// (#6144)
|
|
isSubsequentLine = (isSubsequentLine ||
|
|
textNode.childNodes.length);
|
|
});
|
|
if (ellipsis && truncated) {
|
|
wrapper.attr('title', unescapeEntities(wrapper.textStr, ['<', '>']) // #7179
|
|
);
|
|
}
|
|
if (tempParent) {
|
|
tempParent.removeChild(textNode);
|
|
}
|
|
// Apply the text outline
|
|
if (textOutline && wrapper.applyTextOutline) {
|
|
wrapper.applyTextOutline(textOutline);
|
|
}
|
|
}
|
|
},
|
|
/**
|
|
* Returns white for dark colors and black for bright colors.
|
|
*
|
|
* @function Highcharts.SVGRenderer#getContrast
|
|
*
|
|
* @param {Highcharts.ColorString} rgba
|
|
* The color to get the contrast for.
|
|
*
|
|
* @return {Highcharts.ColorString}
|
|
* The contrast color, either `#000000` or `#FFFFFF`.
|
|
*/
|
|
getContrast: function (rgba) {
|
|
rgba = color(rgba).rgba;
|
|
// The threshold may be discussed. Here's a proposal for adding
|
|
// different weight to the color channels (#6216)
|
|
rgba[0] *= 1; // red
|
|
rgba[1] *= 1.2; // green
|
|
rgba[2] *= 0.5; // blue
|
|
return rgba[0] + rgba[1] + rgba[2] >
|
|
1.8 * 255 ?
|
|
'#000000' :
|
|
'#FFFFFF';
|
|
},
|
|
/**
|
|
* Create a button with preset states.
|
|
*
|
|
* @function Highcharts.SVGRenderer#button
|
|
*
|
|
* @param {string} text
|
|
* The text or HTML to draw.
|
|
*
|
|
* @param {number} x
|
|
* The x position of the button's left side.
|
|
*
|
|
* @param {number} y
|
|
* The y position of the button's top side.
|
|
*
|
|
* @param {Highcharts.EventCallbackFunction<Highcharts.SVGElement>} callback
|
|
* The function to execute on button click or touch.
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [normalState]
|
|
* SVG attributes for the normal state.
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [hoverState]
|
|
* SVG attributes for the hover state.
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [pressedState]
|
|
* SVG attributes for the pressed state.
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [disabledState]
|
|
* SVG attributes for the disabled state.
|
|
*
|
|
* @param {Highcharts.SymbolKeyValue} [shape=rect]
|
|
* The shape type.
|
|
*
|
|
* @param {boolean} [useHTML=false]
|
|
* Wether to use HTML to render the label.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The button element.
|
|
*/
|
|
button: function (text, x, y, callback, normalState, hoverState, pressedState, disabledState, shape, useHTML) {
|
|
var label = this.label(text, x, y, shape, void 0, void 0, useHTML, void 0, 'button'), curState = 0, styledMode = this.styledMode;
|
|
// Default, non-stylable attributes
|
|
label.attr(merge({ padding: 8, r: 2 }, normalState));
|
|
if (!styledMode) {
|
|
// Presentational
|
|
var normalStyle, hoverStyle, pressedStyle, disabledStyle;
|
|
// Normal state - prepare the attributes
|
|
normalState = merge({
|
|
fill: '#f7f7f7',
|
|
stroke: '#cccccc',
|
|
'stroke-width': 1,
|
|
style: {
|
|
color: '#333333',
|
|
cursor: 'pointer',
|
|
fontWeight: 'normal'
|
|
}
|
|
}, normalState);
|
|
normalStyle = normalState.style;
|
|
delete normalState.style;
|
|
// Hover state
|
|
hoverState = merge(normalState, {
|
|
fill: '#e6e6e6'
|
|
}, hoverState);
|
|
hoverStyle = hoverState.style;
|
|
delete hoverState.style;
|
|
// Pressed state
|
|
pressedState = merge(normalState, {
|
|
fill: '#e6ebf5',
|
|
style: {
|
|
color: '#000000',
|
|
fontWeight: 'bold'
|
|
}
|
|
}, pressedState);
|
|
pressedStyle = pressedState.style;
|
|
delete pressedState.style;
|
|
// Disabled state
|
|
disabledState = merge(normalState, {
|
|
style: {
|
|
color: '#cccccc'
|
|
}
|
|
}, disabledState);
|
|
disabledStyle = disabledState.style;
|
|
delete disabledState.style;
|
|
}
|
|
// Add the events. IE9 and IE10 need mouseover and mouseout to funciton
|
|
// (#667).
|
|
addEvent(label.element, isMS ? 'mouseover' : 'mouseenter', function () {
|
|
if (curState !== 3) {
|
|
label.setState(1);
|
|
}
|
|
});
|
|
addEvent(label.element, isMS ? 'mouseout' : 'mouseleave', function () {
|
|
if (curState !== 3) {
|
|
label.setState(curState);
|
|
}
|
|
});
|
|
label.setState = function (state) {
|
|
// Hover state is temporary, don't record it
|
|
if (state !== 1) {
|
|
label.state = curState = state;
|
|
}
|
|
// Update visuals
|
|
label
|
|
.removeClass(/highcharts-button-(normal|hover|pressed|disabled)/)
|
|
.addClass('highcharts-button-' +
|
|
['normal', 'hover', 'pressed', 'disabled'][state || 0]);
|
|
if (!styledMode) {
|
|
label
|
|
.attr([
|
|
normalState,
|
|
hoverState,
|
|
pressedState,
|
|
disabledState
|
|
][state || 0])
|
|
.css([
|
|
normalStyle,
|
|
hoverStyle,
|
|
pressedStyle,
|
|
disabledStyle
|
|
][state || 0]);
|
|
}
|
|
};
|
|
// Presentational attributes
|
|
if (!styledMode) {
|
|
label
|
|
.attr(normalState)
|
|
.css(extend({ cursor: 'default' }, normalStyle));
|
|
}
|
|
return label
|
|
.on('click', function (e) {
|
|
if (curState !== 3) {
|
|
callback.call(label, e);
|
|
}
|
|
});
|
|
},
|
|
/**
|
|
* Make a straight line crisper by not spilling out to neighbour pixels.
|
|
*
|
|
* @function Highcharts.SVGRenderer#crispLine
|
|
*
|
|
* @param {Highcharts.SVGPathArray} points
|
|
* The original points on the format `[['M', 0, 0], ['L', 100, 0]]`.
|
|
*
|
|
* @param {number} width
|
|
* The width of the line.
|
|
*
|
|
* @param {string} roundingFunction
|
|
* The rounding function name on the `Math` object, can be one of
|
|
* `round`, `floor` or `ceil`.
|
|
*
|
|
* @return {Highcharts.SVGPathArray}
|
|
* The original points array, but modified to render crisply.
|
|
*/
|
|
crispLine: function (points, width, roundingFunction) {
|
|
if (roundingFunction === void 0) { roundingFunction = 'round'; }
|
|
var start = points[0];
|
|
var end = points[1];
|
|
// Normalize to a crisp line
|
|
if (start[1] === end[1]) {
|
|
// Substract due to #1129. Now bottom and left axis gridlines behave
|
|
// the same.
|
|
start[1] = end[1] =
|
|
Math[roundingFunction](start[1]) - (width % 2 / 2);
|
|
}
|
|
if (start[2] === end[2]) {
|
|
start[2] = end[2] =
|
|
Math[roundingFunction](start[2]) + (width % 2 / 2);
|
|
}
|
|
return points;
|
|
},
|
|
/**
|
|
* Draw a path, wraps the SVG `path` element.
|
|
*
|
|
* @sample highcharts/members/renderer-path-on-chart/
|
|
* Draw a path in a chart
|
|
* @sample highcharts/members/renderer-path/
|
|
* Draw a path independent from a chart
|
|
*
|
|
* @example
|
|
* var path = renderer.path(['M', 10, 10, 'L', 30, 30, 'z'])
|
|
* .attr({ stroke: '#ff00ff' })
|
|
* .add();
|
|
*
|
|
* @function Highcharts.SVGRenderer#path
|
|
*
|
|
* @param {Highcharts.SVGPathArray} [path]
|
|
* An SVG path definition in array form.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*
|
|
*/ /**
|
|
* Draw a path, wraps the SVG `path` element.
|
|
*
|
|
* @function Highcharts.SVGRenderer#path
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [attribs]
|
|
* The initial attributes.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/
|
|
path: function (path) {
|
|
var attribs = (this.styledMode ? {} : {
|
|
fill: 'none'
|
|
});
|
|
if (isArray(path)) {
|
|
attribs.d = path;
|
|
}
|
|
else if (isObject(path)) { // attributes
|
|
extend(attribs, path);
|
|
}
|
|
return this.createElement('path').attr(attribs);
|
|
},
|
|
/**
|
|
* Draw a circle, wraps the SVG `circle` element.
|
|
*
|
|
* @sample highcharts/members/renderer-circle/
|
|
* Drawing a circle
|
|
*
|
|
* @function Highcharts.SVGRenderer#circle
|
|
*
|
|
* @param {number} [x]
|
|
* The center x position.
|
|
*
|
|
* @param {number} [y]
|
|
* The center y position.
|
|
*
|
|
* @param {number} [r]
|
|
* The radius.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/ /**
|
|
* Draw a circle, wraps the SVG `circle` element.
|
|
*
|
|
* @function Highcharts.SVGRenderer#circle
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [attribs]
|
|
* The initial attributes.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/
|
|
circle: function (x, y, r) {
|
|
var attribs = (isObject(x) ?
|
|
x :
|
|
typeof x === 'undefined' ? {} : { x: x, y: y, r: r }), wrapper = this.createElement('circle');
|
|
// Setting x or y translates to cx and cy
|
|
wrapper.xSetter = wrapper.ySetter = function (value, key, element) {
|
|
element.setAttribute('c' + key, value);
|
|
};
|
|
return wrapper.attr(attribs);
|
|
},
|
|
/**
|
|
* Draw and return an arc.
|
|
*
|
|
* @sample highcharts/members/renderer-arc/
|
|
* Drawing an arc
|
|
*
|
|
* @function Highcharts.SVGRenderer#arc
|
|
*
|
|
* @param {number} [x=0]
|
|
* Center X position.
|
|
*
|
|
* @param {number} [y=0]
|
|
* Center Y position.
|
|
*
|
|
* @param {number} [r=0]
|
|
* The outer radius' of the arc.
|
|
*
|
|
* @param {number} [innerR=0]
|
|
* Inner radius like used in donut charts.
|
|
*
|
|
* @param {number} [start=0]
|
|
* The starting angle of the arc in radians, where 0 is to the right
|
|
* and `-Math.PI/2` is up.
|
|
*
|
|
* @param {number} [end=0]
|
|
* The ending angle of the arc in radians, where 0 is to the right
|
|
* and `-Math.PI/2` is up.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/ /**
|
|
* Draw and return an arc. Overloaded function that takes arguments object.
|
|
*
|
|
* @function Highcharts.SVGRenderer#arc
|
|
*
|
|
* @param {Highcharts.SVGAttributes} attribs
|
|
* Initial SVG attributes.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/
|
|
arc: function (x, y, r, innerR, start, end) {
|
|
var arc, options;
|
|
if (isObject(x)) {
|
|
options = x;
|
|
y = options.y;
|
|
r = options.r;
|
|
innerR = options.innerR;
|
|
start = options.start;
|
|
end = options.end;
|
|
x = options.x;
|
|
}
|
|
else {
|
|
options = {
|
|
innerR: innerR,
|
|
start: start,
|
|
end: end
|
|
};
|
|
}
|
|
// Arcs are defined as symbols for the ability to set
|
|
// attributes in attr and animate
|
|
arc = this.symbol('arc', x, y, r, r, options);
|
|
arc.r = r; // #959
|
|
return arc;
|
|
},
|
|
/**
|
|
* Draw and return a rectangle.
|
|
*
|
|
* @function Highcharts.SVGRenderer#rect
|
|
*
|
|
* @param {number} [x]
|
|
* Left position.
|
|
*
|
|
* @param {number} [y]
|
|
* Top position.
|
|
*
|
|
* @param {number} [width]
|
|
* Width of the rectangle.
|
|
*
|
|
* @param {number} [height]
|
|
* Height of the rectangle.
|
|
*
|
|
* @param {number} [r]
|
|
* Border corner radius.
|
|
*
|
|
* @param {number} [strokeWidth]
|
|
* A stroke width can be supplied to allow crisp drawing.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/ /**
|
|
* Draw and return a rectangle.
|
|
*
|
|
* @sample highcharts/members/renderer-rect-on-chart/
|
|
* Draw a rectangle in a chart
|
|
* @sample highcharts/members/renderer-rect/
|
|
* Draw a rectangle independent from a chart
|
|
*
|
|
* @function Highcharts.SVGRenderer#rect
|
|
*
|
|
* @param {Highcharts.SVGAttributes} [attributes]
|
|
* General SVG attributes for the rectangle.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/
|
|
rect: function (x, y, width, height, r, strokeWidth) {
|
|
r = isObject(x) ? x.r : r;
|
|
var wrapper = this.createElement('rect'), attribs = isObject(x) ?
|
|
x :
|
|
typeof x === 'undefined' ?
|
|
{} :
|
|
{
|
|
x: x,
|
|
y: y,
|
|
width: Math.max(width, 0),
|
|
height: Math.max(height, 0)
|
|
};
|
|
if (!this.styledMode) {
|
|
if (typeof strokeWidth !== 'undefined') {
|
|
attribs.strokeWidth = strokeWidth;
|
|
attribs = wrapper.crisp(attribs);
|
|
}
|
|
attribs.fill = 'none';
|
|
}
|
|
if (r) {
|
|
attribs.r = r;
|
|
}
|
|
wrapper.rSetter = function (value, key, element) {
|
|
wrapper.r = value;
|
|
attr(element, {
|
|
rx: value,
|
|
ry: value
|
|
});
|
|
};
|
|
wrapper.rGetter = function () {
|
|
return wrapper.r;
|
|
};
|
|
return wrapper.attr(attribs);
|
|
},
|
|
/**
|
|
* Resize the {@link SVGRenderer#box} and re-align all aligned child
|
|
* elements.
|
|
*
|
|
* @sample highcharts/members/renderer-g/
|
|
* Show and hide grouped objects
|
|
*
|
|
* @function Highcharts.SVGRenderer#setSize
|
|
*
|
|
* @param {number} width
|
|
* The new pixel width.
|
|
*
|
|
* @param {number} height
|
|
* The new pixel height.
|
|
*
|
|
* @param {boolean|Highcharts.AnimationOptionsObject} [animate=true]
|
|
* Whether and how to animate.
|
|
*
|
|
* @return {void}
|
|
*/
|
|
setSize: function (width, height, animate) {
|
|
var renderer = this, alignedObjects = renderer.alignedObjects, i = alignedObjects.length;
|
|
renderer.width = width;
|
|
renderer.height = height;
|
|
renderer.boxWrapper.animate({
|
|
width: width,
|
|
height: height
|
|
}, {
|
|
step: function () {
|
|
this.attr({
|
|
viewBox: '0 0 ' + this.attr('width') + ' ' +
|
|
this.attr('height')
|
|
});
|
|
},
|
|
duration: pick(animate, true) ? void 0 : 0
|
|
});
|
|
while (i--) {
|
|
alignedObjects[i].align();
|
|
}
|
|
},
|
|
/**
|
|
* Create and return an svg group element. Child
|
|
* {@link Highcharts.SVGElement} objects are added to the group by using the
|
|
* group as the first parameter in {@link Highcharts.SVGElement#add|add()}.
|
|
*
|
|
* @function Highcharts.SVGRenderer#g
|
|
*
|
|
* @param {string} [name]
|
|
* The group will be given a class name of `highcharts-{name}`. This
|
|
* can be used for styling and scripting.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/
|
|
g: function (name) {
|
|
var elem = this.createElement('g');
|
|
return name ?
|
|
elem.attr({ 'class': 'highcharts-' + name }) :
|
|
elem;
|
|
},
|
|
/**
|
|
* Display an image.
|
|
*
|
|
* @sample highcharts/members/renderer-image-on-chart/
|
|
* Add an image in a chart
|
|
* @sample highcharts/members/renderer-image/
|
|
* Add an image independent of a chart
|
|
*
|
|
* @function Highcharts.SVGRenderer#image
|
|
*
|
|
* @param {string} src
|
|
* The image source.
|
|
*
|
|
* @param {number} [x]
|
|
* The X position.
|
|
*
|
|
* @param {number} [y]
|
|
* The Y position.
|
|
*
|
|
* @param {number} [width]
|
|
* The image width. If omitted, it defaults to the image file width.
|
|
*
|
|
* @param {number} [height]
|
|
* The image height. If omitted it defaults to the image file
|
|
* height.
|
|
*
|
|
* @param {Function} [onload]
|
|
* Event handler for image load.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated wrapper element.
|
|
*/
|
|
image: function (src, x, y, width, height, onload) {
|
|
var attribs = { preserveAspectRatio: 'none' }, elemWrapper, dummy, setSVGImageSource = function (el, src) {
|
|
// Set the href in the xlink namespace
|
|
if (el.setAttributeNS) {
|
|
el.setAttributeNS('http://www.w3.org/1999/xlink', 'href', src);
|
|
}
|
|
else {
|
|
// could be exporting in IE
|
|
// using href throws "not supported" in ie7 and under,
|
|
// requries regex shim to fix later
|
|
el.setAttribute('hc-svg-href', src);
|
|
}
|
|
}, onDummyLoad = function (e) {
|
|
setSVGImageSource(elemWrapper.element, src);
|
|
onload.call(elemWrapper, e);
|
|
};
|
|
// optional properties
|
|
if (arguments.length > 1) {
|
|
extend(attribs, {
|
|
x: x,
|
|
y: y,
|
|
width: width,
|
|
height: height
|
|
});
|
|
}
|
|
elemWrapper = this.createElement('image').attr(attribs);
|
|
// Add load event if supplied
|
|
if (onload) {
|
|
// We have to use a dummy HTML image since IE support for SVG image
|
|
// load events is very buggy. First set a transparent src, wait for
|
|
// dummy to load, and then add the real src to the SVG image.
|
|
setSVGImageSource(elemWrapper.element, 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' /* eslint-disable-line */);
|
|
dummy = new win.Image();
|
|
addEvent(dummy, 'load', onDummyLoad);
|
|
dummy.src = src;
|
|
if (dummy.complete) {
|
|
onDummyLoad({});
|
|
}
|
|
}
|
|
else {
|
|
setSVGImageSource(elemWrapper.element, src);
|
|
}
|
|
return elemWrapper;
|
|
},
|
|
/**
|
|
* Draw a symbol out of pre-defined shape paths from
|
|
* {@link SVGRenderer#symbols}.
|
|
* It is used in Highcharts for point makers, which cake a `symbol` option,
|
|
* and label and button backgrounds like in the tooltip and stock flags.
|
|
*
|
|
* @function Highcharts.SVGRenderer#symbol
|
|
*
|
|
* @param {string} symbol
|
|
* The symbol name.
|
|
*
|
|
* @param {number} [x]
|
|
* The X coordinate for the top left position.
|
|
*
|
|
* @param {number} [y]
|
|
* The Y coordinate for the top left position.
|
|
*
|
|
* @param {number} [width]
|
|
* The pixel width.
|
|
*
|
|
* @param {number} [height]
|
|
* The pixel height.
|
|
*
|
|
* @param {Highcharts.SymbolOptionsObject} [options]
|
|
* Additional options, depending on the actual symbol drawn.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
*/
|
|
symbol: function (symbol, x, y, width, height, options) {
|
|
var ren = this, obj, imageRegex = /^url\((.*?)\)$/, isImage = imageRegex.test(symbol), sym = (!isImage && (this.symbols[symbol] ? symbol : 'circle')),
|
|
// get the symbol definition function
|
|
symbolFn = (sym && this.symbols[sym]), path, imageSrc, centerImage;
|
|
if (symbolFn) {
|
|
// Check if there's a path defined for this symbol
|
|
if (typeof x === 'number') {
|
|
path = symbolFn.call(this.symbols, Math.round(x || 0), Math.round(y || 0), width, height, options);
|
|
}
|
|
obj = this.path(path);
|
|
if (!ren.styledMode) {
|
|
obj.attr('fill', 'none');
|
|
}
|
|
// expando properties for use in animate and attr
|
|
extend(obj, {
|
|
symbolName: sym,
|
|
x: x,
|
|
y: y,
|
|
width: width,
|
|
height: height
|
|
});
|
|
if (options) {
|
|
extend(obj, options);
|
|
}
|
|
// Image symbols
|
|
}
|
|
else if (isImage) {
|
|
imageSrc = symbol.match(imageRegex)[1];
|
|
// Create the image synchronously, add attribs async
|
|
obj = this.image(imageSrc);
|
|
// The image width is not always the same as the symbol width. The
|
|
// image may be centered within the symbol, as is the case when
|
|
// image shapes are used as label backgrounds, for example in flags.
|
|
obj.imgwidth = pick(symbolSizes[imageSrc] && symbolSizes[imageSrc].width, options && options.width);
|
|
obj.imgheight = pick(symbolSizes[imageSrc] && symbolSizes[imageSrc].height, options && options.height);
|
|
/**
|
|
* Set the size and position
|
|
*/
|
|
centerImage = function () {
|
|
obj.attr({
|
|
width: obj.width,
|
|
height: obj.height
|
|
});
|
|
};
|
|
/**
|
|
* Width and height setters that take both the image's physical size
|
|
* and the label size into consideration, and translates the image
|
|
* to center within the label.
|
|
*/
|
|
['width', 'height'].forEach(function (key) {
|
|
obj[key + 'Setter'] = function (value, key) {
|
|
var attribs = {}, imgSize = this['img' + key], trans = key === 'width' ? 'translateX' : 'translateY';
|
|
this[key] = value;
|
|
if (defined(imgSize)) {
|
|
// Scale and center the image within its container.
|
|
// The name `backgroundSize` is taken from the CSS spec,
|
|
// but the value `within` is made up. Other possible
|
|
// values in the spec, `cover` and `contain`, can be
|
|
// implemented if needed.
|
|
if (options &&
|
|
options.backgroundSize === 'within' &&
|
|
this.width &&
|
|
this.height) {
|
|
imgSize = Math.round(imgSize * Math.min(this.width / this.imgwidth, this.height / this.imgheight));
|
|
}
|
|
if (this.element) {
|
|
this.element.setAttribute(key, imgSize);
|
|
}
|
|
if (!this.alignByTranslate) {
|
|
attribs[trans] = ((this[key] || 0) - imgSize) / 2;
|
|
this.attr(attribs);
|
|
}
|
|
}
|
|
};
|
|
});
|
|
if (defined(x)) {
|
|
obj.attr({
|
|
x: x,
|
|
y: y
|
|
});
|
|
}
|
|
obj.isImg = true;
|
|
if (defined(obj.imgwidth) && defined(obj.imgheight)) {
|
|
centerImage();
|
|
}
|
|
else {
|
|
// Initialize image to be 0 size so export will still function
|
|
// if there's no cached sizes.
|
|
obj.attr({ width: 0, height: 0 });
|
|
// Create a dummy JavaScript image to get the width and height.
|
|
createElement('img', {
|
|
onload: function () {
|
|
var chart = charts[ren.chartIndex];
|
|
// Special case for SVGs on IE11, the width is not
|
|
// accessible until the image is part of the DOM
|
|
// (#2854).
|
|
if (this.width === 0) {
|
|
css(this, {
|
|
position: 'absolute',
|
|
top: '-999em'
|
|
});
|
|
doc.body.appendChild(this);
|
|
}
|
|
// Center the image
|
|
symbolSizes[imageSrc] = {
|
|
width: this.width,
|
|
height: this.height
|
|
};
|
|
obj.imgwidth = this.width;
|
|
obj.imgheight = this.height;
|
|
if (obj.element) {
|
|
centerImage();
|
|
}
|
|
// Clean up after #2854 workaround.
|
|
if (this.parentNode) {
|
|
this.parentNode.removeChild(this);
|
|
}
|
|
// Fire the load event when all external images are
|
|
// loaded
|
|
ren.imgCount--;
|
|
if (!ren.imgCount && chart && !chart.hasLoaded) {
|
|
chart.onload();
|
|
}
|
|
},
|
|
src: imageSrc
|
|
});
|
|
this.imgCount++;
|
|
}
|
|
}
|
|
return obj;
|
|
},
|
|
/**
|
|
* An extendable collection of functions for defining symbol paths.
|
|
*
|
|
* @name Highcharts.SVGRenderer#symbols
|
|
* @type {Highcharts.SymbolDictionary}
|
|
*/
|
|
symbols: {
|
|
circle: function (x, y, w, h) {
|
|
// Return a full arc
|
|
return this.arc(x + w / 2, y + h / 2, w / 2, h / 2, {
|
|
start: Math.PI * 0.5,
|
|
end: Math.PI * 2.5,
|
|
open: false
|
|
});
|
|
},
|
|
square: function (x, y, w, h) {
|
|
return [
|
|
['M', x, y],
|
|
['L', x + w, y],
|
|
['L', x + w, y + h],
|
|
['L', x, y + h],
|
|
['Z']
|
|
];
|
|
},
|
|
triangle: function (x, y, w, h) {
|
|
return [
|
|
['M', x + w / 2, y],
|
|
['L', x + w, y + h],
|
|
['L', x, y + h],
|
|
['Z']
|
|
];
|
|
},
|
|
'triangle-down': function (x, y, w, h) {
|
|
return [
|
|
['M', x, y],
|
|
['L', x + w, y],
|
|
['L', x + w / 2, y + h],
|
|
['Z']
|
|
];
|
|
},
|
|
diamond: function (x, y, w, h) {
|
|
return [
|
|
['M', x + w / 2, y],
|
|
['L', x + w, y + h / 2],
|
|
['L', x + w / 2, y + h],
|
|
['L', x, y + h / 2],
|
|
['Z']
|
|
];
|
|
},
|
|
arc: function (x, y, w, h, options) {
|
|
var start = options.start, rx = options.r || w, ry = options.r || h || w, proximity = 0.001, fullCircle = Math.abs(options.end - options.start - 2 * Math.PI) <
|
|
proximity,
|
|
// Substract a small number to prevent cos and sin of start and
|
|
// end from becoming equal on 360 arcs (related: #1561)
|
|
end = options.end - proximity, innerRadius = options.innerR, open = pick(options.open, fullCircle), cosStart = Math.cos(start), sinStart = Math.sin(start), cosEnd = Math.cos(end), sinEnd = Math.sin(end),
|
|
// Proximity takes care of rounding errors around PI (#6971)
|
|
longArc = pick(options.longArc, options.end - start - Math.PI < proximity ? 0 : 1), arc;
|
|
arc = [
|
|
[
|
|
'M',
|
|
x + rx * cosStart,
|
|
y + ry * sinStart
|
|
],
|
|
[
|
|
'A',
|
|
rx,
|
|
ry,
|
|
0,
|
|
longArc,
|
|
pick(options.clockwise, 1),
|
|
x + rx * cosEnd,
|
|
y + ry * sinEnd
|
|
]
|
|
];
|
|
if (defined(innerRadius)) {
|
|
arc.push(open ?
|
|
[
|
|
'M',
|
|
x + innerRadius * cosEnd,
|
|
y + innerRadius * sinEnd
|
|
] : [
|
|
'L',
|
|
x + innerRadius * cosEnd,
|
|
y + innerRadius * sinEnd
|
|
], [
|
|
'A',
|
|
innerRadius,
|
|
innerRadius,
|
|
0,
|
|
longArc,
|
|
// Clockwise - opposite to the outer arc clockwise
|
|
defined(options.clockwise) ? 1 - options.clockwise : 0,
|
|
x + innerRadius * cosStart,
|
|
y + innerRadius * sinStart
|
|
]);
|
|
}
|
|
if (!open) {
|
|
arc.push(['Z']);
|
|
}
|
|
return arc;
|
|
},
|
|
/**
|
|
* Callout shape used for default tooltips, also used for rounded
|
|
* rectangles in VML
|
|
*/
|
|
callout: function (x, y, w, h, options) {
|
|
var arrowLength = 6, halfDistance = 6, r = Math.min((options && options.r) || 0, w, h), safeDistance = r + halfDistance, anchorX = options && options.anchorX, anchorY = options && options.anchorY, path;
|
|
path = [
|
|
['M', x + r, y],
|
|
['L', x + w - r, y],
|
|
['C', x + w, y, x + w, y, x + w, y + r],
|
|
['L', x + w, y + h - r],
|
|
['C', x + w, y + h, x + w, y + h, x + w - r, y + h],
|
|
['L', x + r, y + h],
|
|
['C', x, y + h, x, y + h, x, y + h - r],
|
|
['L', x, y + r],
|
|
['C', x, y, x, y, x + r, y] // top-left corner
|
|
];
|
|
// Anchor on right side
|
|
if (anchorX && anchorX > w) {
|
|
// Chevron
|
|
if (anchorY > y + safeDistance &&
|
|
anchorY < y + h - safeDistance) {
|
|
path.splice(3, 1, ['L', x + w, anchorY - halfDistance], ['L', x + w + arrowLength, anchorY], ['L', x + w, anchorY + halfDistance], ['L', x + w, y + h - r]);
|
|
// Simple connector
|
|
}
|
|
else {
|
|
path.splice(3, 1, ['L', x + w, h / 2], ['L', anchorX, anchorY], ['L', x + w, h / 2], ['L', x + w, y + h - r]);
|
|
}
|
|
// Anchor on left side
|
|
}
|
|
else if (anchorX && anchorX < 0) {
|
|
// Chevron
|
|
if (anchorY > y + safeDistance &&
|
|
anchorY < y + h - safeDistance) {
|
|
path.splice(7, 1, ['L', x, anchorY + halfDistance], ['L', x - arrowLength, anchorY], ['L', x, anchorY - halfDistance], ['L', x, y + r]);
|
|
// Simple connector
|
|
}
|
|
else {
|
|
path.splice(7, 1, ['L', x, h / 2], ['L', anchorX, anchorY], ['L', x, h / 2], ['L', x, y + r]);
|
|
}
|
|
}
|
|
else if ( // replace bottom
|
|
anchorY &&
|
|
anchorY > h &&
|
|
anchorX > x + safeDistance &&
|
|
anchorX < x + w - safeDistance) {
|
|
path.splice(5, 1, ['L', anchorX + halfDistance, y + h], ['L', anchorX, y + h + arrowLength], ['L', anchorX - halfDistance, y + h], ['L', x + r, y + h]);
|
|
}
|
|
else if ( // replace top
|
|
anchorY &&
|
|
anchorY < 0 &&
|
|
anchorX > x + safeDistance &&
|
|
anchorX < x + w - safeDistance) {
|
|
path.splice(1, 1, ['L', anchorX - halfDistance, y], ['L', anchorX, y - arrowLength], ['L', anchorX + halfDistance, y], ['L', w - r, y]);
|
|
}
|
|
return path;
|
|
}
|
|
},
|
|
/**
|
|
* Define a clipping rectangle. The clipping rectangle is later applied
|
|
* to {@link SVGElement} objects through the {@link SVGElement#clip}
|
|
* function.
|
|
*
|
|
* @example
|
|
* var circle = renderer.circle(100, 100, 100)
|
|
* .attr({ fill: 'red' })
|
|
* .add();
|
|
* var clipRect = renderer.clipRect(100, 100, 100, 100);
|
|
*
|
|
* // Leave only the lower right quarter visible
|
|
* circle.clip(clipRect);
|
|
*
|
|
* @function Highcharts.SVGRenderer#clipRect
|
|
*
|
|
* @param {number} [x]
|
|
*
|
|
* @param {number} [y]
|
|
*
|
|
* @param {number} [width]
|
|
*
|
|
* @param {number} [height]
|
|
*
|
|
* @return {Highcharts.ClipRectElement}
|
|
* A clipping rectangle.
|
|
*/
|
|
clipRect: function (x, y, width, height) {
|
|
var wrapper,
|
|
// Add a hyphen at the end to avoid confusion in testing indexes
|
|
// -1 and -10, -11 etc (#6550)
|
|
id = uniqueKey() + '-', clipPath = this.createElement('clipPath').attr({
|
|
id: id
|
|
}).add(this.defs);
|
|
wrapper = this.rect(x, y, width, height, 0).add(clipPath);
|
|
wrapper.id = id;
|
|
wrapper.clipPath = clipPath;
|
|
wrapper.count = 0;
|
|
return wrapper;
|
|
},
|
|
/**
|
|
* Draw text. The text can contain a subset of HTML, like spans and anchors
|
|
* and some basic text styling of these. For more advanced features like
|
|
* border and background, use {@link Highcharts.SVGRenderer#label} instead.
|
|
* To update the text after render, run `text.attr({ text: 'New text' })`.
|
|
*
|
|
* @sample highcharts/members/renderer-text-on-chart/
|
|
* Annotate the chart freely
|
|
* @sample highcharts/members/renderer-on-chart/
|
|
* Annotate with a border and in response to the data
|
|
* @sample highcharts/members/renderer-text/
|
|
* Formatted text
|
|
*
|
|
* @function Highcharts.SVGRenderer#text
|
|
*
|
|
* @param {string} [str]
|
|
* The text of (subset) HTML to draw.
|
|
*
|
|
* @param {number} [x]
|
|
* The x position of the text's lower left corner.
|
|
*
|
|
* @param {number} [y]
|
|
* The y position of the text's lower left corner.
|
|
*
|
|
* @param {boolean} [useHTML=false]
|
|
* Use HTML to render the text.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The text object.
|
|
*/
|
|
text: function (str, x, y, useHTML) {
|
|
// declare variables
|
|
var renderer = this, wrapper, attribs = {};
|
|
if (useHTML && (renderer.allowHTML || !renderer.forExport)) {
|
|
return renderer.html(str, x, y);
|
|
}
|
|
attribs.x = Math.round(x || 0); // X always needed for line-wrap logic
|
|
if (y) {
|
|
attribs.y = Math.round(y);
|
|
}
|
|
if (defined(str)) {
|
|
attribs.text = str;
|
|
}
|
|
wrapper = renderer.createElement('text')
|
|
.attr(attribs);
|
|
if (!useHTML) {
|
|
wrapper.xSetter = function (value, key, element) {
|
|
var tspans = element.getElementsByTagName('tspan'), tspan, parentVal = element.getAttribute(key), i;
|
|
for (i = 0; i < tspans.length; i++) {
|
|
tspan = tspans[i];
|
|
// If the x values are equal, the tspan represents a
|
|
// linebreak
|
|
if (tspan.getAttribute(key) === parentVal) {
|
|
tspan.setAttribute(key, value);
|
|
}
|
|
}
|
|
element.setAttribute(key, value);
|
|
};
|
|
}
|
|
return wrapper;
|
|
},
|
|
/**
|
|
* Utility to return the baseline offset and total line height from the font
|
|
* size.
|
|
*
|
|
* @function Highcharts.SVGRenderer#fontMetrics
|
|
*
|
|
* @param {number|string} [fontSize]
|
|
* The current font size to inspect. If not given, the font size
|
|
* will be found from the DOM element.
|
|
*
|
|
* @param {Highcharts.SVGElement|Highcharts.SVGDOMElement} [elem]
|
|
* The element to inspect for a current font size.
|
|
*
|
|
* @return {Highcharts.FontMetricsObject}
|
|
* The font metrics.
|
|
*/
|
|
fontMetrics: function (fontSize, elem) {
|
|
var lineHeight, baseline;
|
|
if ((this.styledMode || !/px/.test(fontSize)) &&
|
|
win.getComputedStyle // old IE doesn't support it
|
|
) {
|
|
fontSize = elem && SVGElement.prototype.getStyle.call(elem, 'font-size');
|
|
}
|
|
else {
|
|
fontSize = fontSize ||
|
|
// When the elem is a DOM element (#5932)
|
|
(elem && elem.style && elem.style.fontSize) ||
|
|
// Fall back on the renderer style default
|
|
(this.style && this.style.fontSize);
|
|
}
|
|
// Handle different units
|
|
if (/px/.test(fontSize)) {
|
|
fontSize = pInt(fontSize);
|
|
}
|
|
else {
|
|
fontSize = 12;
|
|
}
|
|
// Empirical values found by comparing font size and bounding box
|
|
// height. Applies to the default font family.
|
|
// https://jsfiddle.net/highcharts/7xvn7/
|
|
lineHeight = fontSize < 24 ? fontSize + 3 : Math.round(fontSize * 1.2);
|
|
baseline = Math.round(lineHeight * 0.8);
|
|
return {
|
|
h: lineHeight,
|
|
b: baseline,
|
|
f: fontSize
|
|
};
|
|
},
|
|
/**
|
|
* Correct X and Y positioning of a label for rotation (#1764).
|
|
*
|
|
* @private
|
|
* @function Highcharts.SVGRenderer#rotCorr
|
|
*
|
|
* @param {number} baseline
|
|
*
|
|
* @param {number} rotation
|
|
*
|
|
* @param {boolean} [alterY]
|
|
*
|
|
* @param {Highcharts.PositionObject}
|
|
*/
|
|
rotCorr: function (baseline, rotation, alterY) {
|
|
var y = baseline;
|
|
if (rotation && alterY) {
|
|
y = Math.max(y * Math.cos(rotation * deg2rad), 4);
|
|
}
|
|
return {
|
|
x: (-baseline / 3) * Math.sin(rotation * deg2rad),
|
|
y: y
|
|
};
|
|
},
|
|
/**
|
|
* Compatibility function to convert the legacy one-dimensional path array
|
|
* into an array of segments.
|
|
*
|
|
* It is used in maps to parse the `path` option, and in SVGRenderer.dSetter
|
|
* to support legacy paths from demos.
|
|
*
|
|
* @param path @private
|
|
* @function Highcharts.SVGRenderer#pathToSegments
|
|
*
|
|
* @param {Array<string|number>}
|
|
*
|
|
* @return {Highcharts.SVGPathArray}
|
|
*/
|
|
pathToSegments: function (path) {
|
|
var ret = [];
|
|
var segment = [];
|
|
var commandLength = {
|
|
A: 8,
|
|
C: 7,
|
|
H: 2,
|
|
L: 3,
|
|
M: 3,
|
|
Q: 5,
|
|
S: 5,
|
|
T: 3,
|
|
V: 2
|
|
};
|
|
// Short, non-typesafe parsing of the one-dimensional array. It splits
|
|
// the path on any string. This is not type checked against the tuple
|
|
// types, but is shorter, and doesn't require specific checks for any
|
|
// command type in SVG.
|
|
for (var i = 0; i < path.length; i++) {
|
|
// Command skipped, repeat previous or insert L/l for M/m
|
|
if (isString(segment[0]) &&
|
|
isNumber(path[i]) &&
|
|
segment.length === commandLength[(segment[0].toUpperCase())]) {
|
|
path.splice(i, 0, segment[0].replace('M', 'L').replace('m', 'l'));
|
|
}
|
|
// Split on string
|
|
if (typeof path[i] === 'string') {
|
|
if (segment.length) {
|
|
ret.push(segment.slice(0));
|
|
}
|
|
segment.length = 0;
|
|
}
|
|
segment.push(path[i]);
|
|
}
|
|
ret.push(segment.slice(0));
|
|
return ret;
|
|
/*
|
|
// Fully type-safe version where each tuple type is checked. The
|
|
// downside is filesize and a lack of flexibility for unsupported
|
|
// commands
|
|
const ret: Highcharts.SVGPathArray = [],
|
|
commands = {
|
|
A: 7,
|
|
C: 6,
|
|
H: 1,
|
|
L: 2,
|
|
M: 2,
|
|
Q: 4,
|
|
S: 4,
|
|
T: 2,
|
|
V: 1,
|
|
Z: 0
|
|
};
|
|
|
|
let i = 0,
|
|
lastI = 0,
|
|
lastCommand;
|
|
|
|
while (i < path.length) {
|
|
const item = path[i];
|
|
|
|
let command;
|
|
|
|
if (typeof item === 'string') {
|
|
command = item;
|
|
i += 1;
|
|
} else {
|
|
command = lastCommand || 'M';
|
|
}
|
|
|
|
// Upper case
|
|
const commandUC = command.toUpperCase();
|
|
|
|
if (commandUC in commands) {
|
|
|
|
// No numeric parameters
|
|
if (command === 'Z' || command === 'z') {
|
|
ret.push([command]);
|
|
|
|
// One numeric parameter
|
|
} else {
|
|
const val0 = path[i];
|
|
if (typeof val0 === 'number') {
|
|
|
|
// Horizontal line to
|
|
if (command === 'H' || command === 'h') {
|
|
ret.push([command, val0]);
|
|
i += 1;
|
|
|
|
// Vertical line to
|
|
} else if (command === 'V' || command === 'v') {
|
|
ret.push([command, val0]);
|
|
i += 1;
|
|
|
|
// Two numeric parameters
|
|
} else {
|
|
const val1 = path[i + 1];
|
|
if (typeof val1 === 'number') {
|
|
// lineTo
|
|
if (command === 'L' || command === 'l') {
|
|
ret.push([command, val0, val1]);
|
|
i += 2;
|
|
|
|
// moveTo
|
|
} else if (command === 'M' || command === 'm') {
|
|
ret.push([command, val0, val1]);
|
|
i += 2;
|
|
|
|
// Smooth quadratic bezier
|
|
} else if (command === 'T' || command === 't') {
|
|
ret.push([command, val0, val1]);
|
|
i += 2;
|
|
|
|
// Four numeric parameters
|
|
} else {
|
|
const val2 = path[i + 2],
|
|
val3 = path[i + 3];
|
|
if (
|
|
typeof val2 === 'number' &&
|
|
typeof val3 === 'number'
|
|
) {
|
|
// Quadratic bezier to
|
|
if (
|
|
command === 'Q' ||
|
|
command === 'q'
|
|
) {
|
|
ret.push([
|
|
command,
|
|
val0,
|
|
val1,
|
|
val2,
|
|
val3
|
|
]);
|
|
i += 4;
|
|
|
|
// Smooth cubic bezier to
|
|
} else if (
|
|
command === 'S' ||
|
|
command === 's'
|
|
) {
|
|
ret.push([
|
|
command,
|
|
val0,
|
|
val1,
|
|
val2,
|
|
val3
|
|
]);
|
|
i += 4;
|
|
|
|
// Six numeric parameters
|
|
} else {
|
|
const val4 = path[i + 4],
|
|
val5 = path[i + 5];
|
|
|
|
if (
|
|
typeof val4 === 'number' &&
|
|
typeof val5 === 'number'
|
|
) {
|
|
// Curve to
|
|
if (
|
|
command === 'C' ||
|
|
command === 'c'
|
|
) {
|
|
ret.push([
|
|
command,
|
|
val0,
|
|
val1,
|
|
val2,
|
|
val3,
|
|
val4,
|
|
val5
|
|
]);
|
|
i += 6;
|
|
|
|
// Seven numeric parameters
|
|
} else {
|
|
const val6 = path[i + 6];
|
|
|
|
// Arc to
|
|
if (
|
|
typeof val6 ===
|
|
'number' &&
|
|
(
|
|
command === 'A' ||
|
|
command === 'a'
|
|
)
|
|
) {
|
|
ret.push([
|
|
command,
|
|
val0,
|
|
val1,
|
|
val2,
|
|
val3,
|
|
val4,
|
|
val5,
|
|
val6
|
|
]);
|
|
i += 7;
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// An unmarked command following a moveTo is a lineTo
|
|
lastCommand = command === 'M' ? 'L' : command;
|
|
|
|
if (i === lastI) {
|
|
break;
|
|
}
|
|
lastI = i;
|
|
}
|
|
return ret;
|
|
*/
|
|
},
|
|
/**
|
|
* Draw a label, which is an extended text element with support for border
|
|
* and background. Highcharts creates a `g` element with a text and a `path`
|
|
* or `rect` inside, to make it behave somewhat like a HTML div. Border and
|
|
* background are set through `stroke`, `stroke-width` and `fill` attributes
|
|
* using the {@link Highcharts.SVGElement#attr|attr} method. To update the
|
|
* text after render, run `label.attr({ text: 'New text' })`.
|
|
*
|
|
* @sample highcharts/members/renderer-label-on-chart/
|
|
* A label on the chart
|
|
*
|
|
* @function Highcharts.SVGRenderer#label
|
|
*
|
|
* @param {string} str
|
|
* The initial text string or (subset) HTML to render.
|
|
*
|
|
* @param {number} x
|
|
* The x position of the label's left side.
|
|
*
|
|
* @param {number} [y]
|
|
* The y position of the label's top side or baseline, depending on
|
|
* the `baseline` parameter.
|
|
*
|
|
* @param {string} [shape='rect']
|
|
* The shape of the label's border/background, if any. Defaults to
|
|
* `rect`. Other possible values are `callout` or other shapes
|
|
* defined in {@link Highcharts.SVGRenderer#symbols}.
|
|
*
|
|
* @param {number} [anchorX]
|
|
* In case the `shape` has a pointer, like a flag, this is the
|
|
* coordinates it should be pinned to.
|
|
*
|
|
* @param {number} [anchorY]
|
|
* In case the `shape` has a pointer, like a flag, this is the
|
|
* coordinates it should be pinned to.
|
|
*
|
|
* @param {boolean} [useHTML=false]
|
|
* Wether to use HTML to render the label.
|
|
*
|
|
* @param {boolean} [baseline=false]
|
|
* Whether to position the label relative to the text baseline,
|
|
* like {@link Highcharts.SVGRenderer#text|renderer.text}, or to the
|
|
* upper border of the rectangle.
|
|
*
|
|
* @param {string} [className]
|
|
* Class name for the group.
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
* The generated label.
|
|
*/
|
|
label: function (str, x, y, shape, anchorX, anchorY, useHTML, baseline, className) {
|
|
var renderer = this, styledMode = renderer.styledMode, wrapper = renderer.g((className !== 'button' && 'label')), text = wrapper.text = renderer.text('', 0, 0, useHTML)
|
|
.attr({
|
|
zIndex: 1
|
|
}), box, emptyBBox = { width: 0, height: 0, x: 0, y: 0 }, bBox = emptyBBox, alignFactor = 0, padding = 3, paddingLeft = 0, width, height, wrapperX, wrapperY, textAlign, deferredAttr = {}, strokeWidth, baselineOffset, hasBGImage = /^url\((.*?)\)$/.test(shape), needsBox = styledMode || hasBGImage, getCrispAdjust = function () {
|
|
return styledMode ?
|
|
box.strokeWidth() % 2 / 2 :
|
|
(strokeWidth ? parseInt(strokeWidth, 10) : 0) % 2 / 2;
|
|
}, updateBoxSize, updateTextPadding, boxAttr;
|
|
if (className) {
|
|
wrapper.addClass('highcharts-' + className);
|
|
}
|
|
/* This function runs after the label is added to the DOM (when the
|
|
bounding box is available), and after the text of the label is
|
|
updated to detect the new bounding box and reflect it in the border
|
|
box. */
|
|
updateBoxSize = function () {
|
|
var style = text.element.style, crispAdjust, attribs = {};
|
|
// #12165 error when width is null (auto)
|
|
// #12163 when fontweight: bold, recalculate bBox withot cache
|
|
// #3295 && 3514 box failure when string equals 0
|
|
bBox = ((!isNumber(width) || !isNumber(height) || textAlign) &&
|
|
defined(text.textStr)) ?
|
|
text.getBBox() : emptyBBox;
|
|
wrapper.width = ((width || bBox.width || 0) +
|
|
2 * padding +
|
|
paddingLeft);
|
|
wrapper.height = (height || bBox.height || 0) + 2 * padding;
|
|
// Update the label-scoped y offset. Math.min because of inline
|
|
// style (#9400)
|
|
baselineOffset = padding + Math.min(renderer
|
|
.fontMetrics(style && style.fontSize, text).b,
|
|
// When the height is 0, there is no bBox, so go with the font
|
|
// metrics. Highmaps CSS demos.
|
|
bBox.height || Infinity);
|
|
if (needsBox) {
|
|
// Create the border box if it is not already present
|
|
if (!box) {
|
|
// Symbol definition exists (#5324)
|
|
wrapper.box = box =
|
|
renderer.symbols[shape] || hasBGImage ?
|
|
renderer.symbol(shape) :
|
|
renderer.rect();
|
|
box.addClass(// Don't use label className for buttons
|
|
(className === 'button' ? '' : 'highcharts-label-box') +
|
|
(className ? ' highcharts-' + className + '-box' : ''));
|
|
box.add(wrapper);
|
|
crispAdjust = getCrispAdjust();
|
|
attribs.x = crispAdjust;
|
|
attribs.y = (baseline ? -baselineOffset : 0) + crispAdjust;
|
|
}
|
|
// Apply the box attributes
|
|
attribs.width = Math.round(wrapper.width);
|
|
attribs.height = Math.round(wrapper.height);
|
|
box.attr(extend(attribs, deferredAttr));
|
|
deferredAttr = {};
|
|
}
|
|
};
|
|
/*
|
|
* This function runs after setting text or padding, but only if padding
|
|
* is changed.
|
|
*/
|
|
updateTextPadding = function () {
|
|
var textX = paddingLeft + padding, textY;
|
|
// determin y based on the baseline
|
|
textY = baseline ? 0 : baselineOffset;
|
|
// compensate for alignment
|
|
if (defined(width) &&
|
|
bBox &&
|
|
(textAlign === 'center' || textAlign === 'right')) {
|
|
textX += { center: 0.5, right: 1 }[textAlign] *
|
|
(width - bBox.width);
|
|
}
|
|
// update if anything changed
|
|
if (textX !== text.x || textY !== text.y) {
|
|
text.attr('x', textX);
|
|
// #8159 - prevent misplaced data labels in treemap
|
|
// (useHTML: true)
|
|
if (text.hasBoxWidthChanged) {
|
|
bBox = text.getBBox(true);
|
|
updateBoxSize();
|
|
}
|
|
if (typeof textY !== 'undefined') {
|
|
text.attr('y', textY);
|
|
}
|
|
}
|
|
// record current values
|
|
text.x = textX;
|
|
text.y = textY;
|
|
};
|
|
/*
|
|
* Set a box attribute, or defer it if the box is not yet created
|
|
*/
|
|
boxAttr = function (key, value) {
|
|
if (box) {
|
|
box.attr(key, value);
|
|
}
|
|
else {
|
|
deferredAttr[key] = value;
|
|
}
|
|
};
|
|
/*
|
|
* After the text element is added, get the desired size of the border
|
|
* box and add it before the text in the DOM.
|
|
*/
|
|
wrapper.onAdd = function () {
|
|
text.add(wrapper);
|
|
wrapper.attr({
|
|
// Alignment is available now (#3295, 0 not rendered if given
|
|
// as a value)
|
|
text: (str || str === 0) ? str : '',
|
|
x: x,
|
|
y: y
|
|
});
|
|
if (box && defined(anchorX)) {
|
|
wrapper.attr({
|
|
anchorX: anchorX,
|
|
anchorY: anchorY
|
|
});
|
|
}
|
|
};
|
|
/*
|
|
* Add specific attribute setters.
|
|
*/
|
|
// only change local variables
|
|
wrapper.widthSetter = function (value) {
|
|
// width:auto => null
|
|
width = isNumber(value) ? value : null;
|
|
};
|
|
wrapper.heightSetter = function (value) {
|
|
height = value;
|
|
};
|
|
wrapper['text-alignSetter'] = function (value) {
|
|
textAlign = value;
|
|
};
|
|
wrapper.paddingSetter = function (value) {
|
|
if (defined(value) && value !== padding) {
|
|
padding = wrapper.padding = value;
|
|
updateTextPadding();
|
|
}
|
|
};
|
|
wrapper.paddingLeftSetter = function (value) {
|
|
if (defined(value) && value !== paddingLeft) {
|
|
paddingLeft = value;
|
|
updateTextPadding();
|
|
}
|
|
};
|
|
// change local variable and prevent setting attribute on the group
|
|
wrapper.alignSetter = function (value) {
|
|
value = {
|
|
left: 0,
|
|
center: 0.5,
|
|
right: 1
|
|
}[value];
|
|
if (value !== alignFactor) {
|
|
alignFactor = value;
|
|
// Bounding box exists, means we're dynamically changing
|
|
if (bBox) {
|
|
wrapper.attr({ x: wrapperX }); // #5134
|
|
}
|
|
}
|
|
};
|
|
// apply these to the box and the text alike
|
|
wrapper.textSetter = function (value) {
|
|
if (typeof value !== 'undefined') {
|
|
// Must use .attr to ensure transforms are done (#10009)
|
|
text.attr({
|
|
text: value
|
|
});
|
|
}
|
|
updateBoxSize();
|
|
updateTextPadding();
|
|
};
|
|
// apply these to the box but not to the text
|
|
wrapper['stroke-widthSetter'] = function (value, key) {
|
|
if (value) {
|
|
needsBox = true;
|
|
}
|
|
strokeWidth = this['stroke-width'] = value;
|
|
boxAttr(key, value);
|
|
};
|
|
if (styledMode) {
|
|
wrapper.rSetter = function (value, key) {
|
|
boxAttr(key, value);
|
|
};
|
|
}
|
|
else {
|
|
wrapper.strokeSetter =
|
|
wrapper.fillSetter =
|
|
wrapper.rSetter = function (value, key) {
|
|
if (key !== 'r') {
|
|
if (key === 'fill' && value) {
|
|
needsBox = true;
|
|
}
|
|
// for animation getter (#6776)
|
|
wrapper[key] = value;
|
|
}
|
|
boxAttr(key, value);
|
|
};
|
|
}
|
|
wrapper.anchorXSetter = function (value, key) {
|
|
anchorX = wrapper.anchorX = value;
|
|
boxAttr(key, Math.round(value) - getCrispAdjust() - wrapperX);
|
|
};
|
|
wrapper.anchorYSetter = function (value, key) {
|
|
anchorY = wrapper.anchorY = value;
|
|
boxAttr(key, value - wrapperY);
|
|
};
|
|
// rename attributes
|
|
wrapper.xSetter = function (value) {
|
|
wrapper.x = value; // for animation getter
|
|
if (alignFactor) {
|
|
value -= alignFactor * ((width || bBox.width) + 2 * padding);
|
|
// Force animation even when setting to the same value (#7898)
|
|
wrapper['forceAnimate:x'] = true;
|
|
}
|
|
wrapperX = Math.round(value);
|
|
wrapper.attr('translateX', wrapperX);
|
|
};
|
|
wrapper.ySetter = function (value) {
|
|
wrapperY = wrapper.y = Math.round(value);
|
|
wrapper.attr('translateY', wrapperY);
|
|
};
|
|
wrapper.isLabel = true;
|
|
// Redirect certain methods to either the box or the text
|
|
var baseCss = wrapper.css;
|
|
var wrapperExtension = {
|
|
/**
|
|
* Pick up some properties and apply them to the text instead of the
|
|
* wrapper.
|
|
*/
|
|
css: function (styles) {
|
|
if (styles) {
|
|
var textStyles = {}, isWidth, isFontStyle;
|
|
// Create a copy to avoid altering the original object
|
|
// (#537)
|
|
styles = merge(styles);
|
|
wrapper.textProps.forEach(function (prop) {
|
|
if (typeof styles[prop] !== 'undefined') {
|
|
textStyles[prop] = styles[prop];
|
|
delete styles[prop];
|
|
}
|
|
});
|
|
text.css(textStyles);
|
|
isWidth = 'width' in textStyles;
|
|
isFontStyle = 'fontSize' in textStyles ||
|
|
'fontWeight' in textStyles;
|
|
// Update existing text, box (#9400, #12163)
|
|
if (isWidth || isFontStyle) {
|
|
updateBoxSize();
|
|
// Keep updated (#9400, #12163)
|
|
if (isFontStyle) {
|
|
updateTextPadding();
|
|
}
|
|
}
|
|
}
|
|
return baseCss.call(wrapper, styles);
|
|
},
|
|
/*
|
|
* Return the bounding box of the box, not the group.
|
|
*/
|
|
getBBox: function () {
|
|
return {
|
|
width: bBox.width + 2 * padding,
|
|
height: bBox.height + 2 * padding,
|
|
x: bBox.x - padding,
|
|
y: bBox.y - padding
|
|
};
|
|
},
|
|
/**
|
|
* Destroy and release memory.
|
|
*/
|
|
destroy: function () {
|
|
// Added by button implementation
|
|
removeEvent(wrapper.element, 'mouseenter');
|
|
removeEvent(wrapper.element, 'mouseleave');
|
|
if (text) {
|
|
text.destroy();
|
|
}
|
|
if (box) {
|
|
box = box.destroy();
|
|
}
|
|
// Call base implementation to destroy the rest
|
|
SVGElement.prototype.destroy.call(wrapper);
|
|
// Release local pointers (#1298)
|
|
wrapper =
|
|
renderer =
|
|
text =
|
|
updateBoxSize =
|
|
updateTextPadding =
|
|
boxAttr = null;
|
|
}
|
|
};
|
|
// Event handling. In case of useHTML, we need to make sure that events
|
|
// are captured on the span as well, and that mouseenter/mouseleave
|
|
// between the SVG group and the HTML span are not treated as real
|
|
// enter/leave events. #13310.
|
|
wrapper.on = function (eventType, handler) {
|
|
var span = text && text.element.tagName === 'SPAN' ? text : void 0;
|
|
var selectiveHandler;
|
|
if (span) {
|
|
selectiveHandler = function (e) {
|
|
if ((eventType === 'mouseenter' ||
|
|
eventType === 'mouseleave') &&
|
|
e.relatedTarget instanceof Element &&
|
|
(wrapper.element.contains(e.relatedTarget) ||
|
|
span.element.contains(e.relatedTarget))) {
|
|
return;
|
|
}
|
|
handler.call(wrapper.element, e);
|
|
};
|
|
span.on(eventType, selectiveHandler);
|
|
}
|
|
SVGElement.prototype.on.call(wrapper, eventType, selectiveHandler || handler);
|
|
return wrapper;
|
|
};
|
|
if (!styledMode) {
|
|
/**
|
|
* Apply the shadow to the box.
|
|
*
|
|
* @ignore
|
|
* @function Highcharts.SVGElement#shadow
|
|
*
|
|
* @return {Highcharts.SVGElement}
|
|
*/
|
|
wrapperExtension.shadow = function (b) {
|
|
if (b) {
|
|
updateBoxSize();
|
|
if (box) {
|
|
box.shadow(b);
|
|
}
|
|
}
|
|
return wrapper;
|
|
};
|
|
}
|
|
return extend(wrapper, wrapperExtension);
|
|
}
|
|
}); // end SVGRenderer
|
|
// general renderer
|
|
H.Renderer = SVGRenderer;
|