highcharts/es-modules/Series/ColorMapComposition.js

JavaScript charting framework

/* *
 *
 *  (c) 2010-2021 Torstein Honsi
 *
 *  License: www.highcharts.com/license
 *
 *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
 *
 * */
'use strict';
import SeriesRegistry from '../Core/Series/SeriesRegistry.js';
var columnProto = SeriesRegistry.seriesTypes.column.prototype;
import U from '../Core/Utilities.js';
var addEvent = U.addEvent, defined = U.defined;
/* *
 *
 *  Composition
 *
 * */
var ColorMapComposition;
(function (ColorMapComposition) {
    /* *
     *
     *  Declarations
     *
     * */
    /* *
     *
     *  Constants
     *
     * */
    var composedClasses = [];
    ColorMapComposition.pointMembers = {
        dataLabelOnNull: true,
        moveToTopOnHover: true,
        isValid: pointIsValid
    };
    ColorMapComposition.seriesMembers = {
        colorKey: 'value',
        axisTypes: ['xAxis', 'yAxis', 'colorAxis'],
        parallelArrays: ['x', 'y', 'value'],
        pointArrayMap: ['value'],
        trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
        colorAttribs: seriesColorAttribs,
        pointAttribs: columnProto.pointAttribs
    };
    /* *
     *
     *  Functions
     *
     * */
    /**
     * @private
     */
    function compose(SeriesClass) {
        var PointClass = SeriesClass.prototype.pointClass;
        if (composedClasses.indexOf(PointClass) === -1) {
            composedClasses.push(PointClass);
            addEvent(PointClass, 'afterSetState', onPointAfterSetState);
        }
        return SeriesClass;
    }
    ColorMapComposition.compose = compose;
    /**
     * Move points to the top of the z-index order when hovered.
     * @private
     */
    function onPointAfterSetState(e) {
        var point = this;
        if (point.moveToTopOnHover && point.graphic) {
            point.graphic.attr({
                zIndex: e && e.state === 'hover' ? 1 : 0
            });
        }
    }
    /**
     * Color points have a value option that determines whether or not it is
     * a null point
     * @private
     */
    function pointIsValid() {
        return (this.value !== null &&
            this.value !== Infinity &&
            this.value !== -Infinity &&
            // undefined is allowed, but NaN is not (#17279)
            (this.value === void 0 || !isNaN(this.value)));
    }
    /**
     * Get the color attibutes to apply on the graphic
     * @private
     * @function Highcharts.colorMapSeriesMixin.colorAttribs
     * @param {Highcharts.Point} point
     * @return {Highcharts.SVGAttributes}
     *         The SVG attributes
     */
    function seriesColorAttribs(point) {
        var ret = {};
        if (defined(point.color) &&
            (!point.state || point.state === 'normal') // #15746
        ) {
            ret[this.colorProp || 'fill'] = point.color;
        }
        return ret;
    }
})(ColorMapComposition || (ColorMapComposition = {}));
/* *
 *
 *  Default Export
 *
 * */
export default ColorMapComposition;