highcharts
Version:
JavaScript charting framework
110 lines (109 loc) • 3.81 kB
JavaScript
/* *
*
* (c) 2010-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
;
import U from '../Utilities.js';
var merge = U.merge, pick = U.pick;
/* *
*
* Namespace
*
* */
var LegendSymbol;
(function (LegendSymbol) {
/* *
*
* Functions
*
* */
/* eslint-disable valid-jsdoc */
/**
* Get the series' symbol in the legend.
*
* This method should be overridable to create custom symbols through
* Highcharts.seriesTypes[type].prototype.drawLegendSymbol.
*
* @private
* @function Highcharts.LegendSymbolMixin.drawLineMarker
*
* @param {Highcharts.Legend} legend
* The legend object.
*/
function drawLineMarker(legend) {
var options = this.options, symbolWidth = legend.symbolWidth, symbolHeight = legend.symbolHeight, generalRadius = symbolHeight / 2, renderer = this.chart.renderer, legendItemGroup = this.legendGroup, verticalCenter = legend.baseline -
Math.round(legend.fontMetrics.b * 0.3);
var attr = {}, legendSymbol, markerOptions = options.marker;
// Draw the line
if (!this.chart.styledMode) {
attr = {
'stroke-width': options.lineWidth || 0
};
if (options.dashStyle) {
attr.dashstyle = options.dashStyle;
}
}
this.legendLine = renderer
.path([
['M', 0, verticalCenter],
['L', symbolWidth, verticalCenter]
])
.addClass('highcharts-graph')
.attr(attr)
.add(legendItemGroup);
// Draw the marker
if (markerOptions && markerOptions.enabled !== false && symbolWidth) {
// Do not allow the marker to be larger than the symbolHeight
var radius = Math.min(pick(markerOptions.radius, generalRadius), generalRadius);
// Restrict symbol markers size
if (this.symbol.indexOf('url') === 0) {
markerOptions = merge(markerOptions, {
width: symbolHeight,
height: symbolHeight
});
radius = 0;
}
this.legendSymbol = legendSymbol = renderer.symbol(this.symbol, (symbolWidth / 2) - radius, verticalCenter - radius, 2 * radius, 2 * radius, markerOptions)
.addClass('highcharts-point')
.add(legendItemGroup);
legendSymbol.isMarker = true;
}
}
LegendSymbol.drawLineMarker = drawLineMarker;
/**
* Get the series' symbol in the legend.
*
* This method should be overridable to create custom symbols through
* Highcharts.seriesTypes[type].prototype.drawLegendSymbol.
*
* @private
* @function Highcharts.LegendSymbolMixin.drawRectangle
*
* @param {Highcharts.Legend} legend
* The legend object
*
* @param {Highcharts.Point|Highcharts.Series} item
* The series (this) or point
*/
function drawRectangle(legend, item) {
var options = legend.options, symbolHeight = legend.symbolHeight, square = options.squareSymbol, symbolWidth = square ? symbolHeight : legend.symbolWidth;
item.legendSymbol = this.chart.renderer.rect(square ? (legend.symbolWidth - symbolHeight) / 2 : 0, legend.baseline - symbolHeight + 1, // #3988
symbolWidth, symbolHeight, pick(legend.options.symbolRadius, symbolHeight / 2))
.addClass('highcharts-point')
.attr({
zIndex: 3
}).add(item.legendGroup);
}
LegendSymbol.drawRectangle = drawRectangle;
})(LegendSymbol || (LegendSymbol = {}));
/* *
*
* Default Export
*
* */
export default LegendSymbol;