174 lines
4.8 KiB
JavaScript
174 lines
4.8 KiB
JavaScript
'use strict';
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import H from './../../parts/Globals.js';
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import './../../parts/Utilities.js';
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import controllableMixin from './controllableMixin.js';
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import markerMixin from './markerMixin.js';
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// See TRACKER_FILL in highcharts.src.js
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var TRACKER_FILL = 'rgba(192,192,192,' + (H.svg ? 0.0001 : 0.002) + ')';
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/**
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* A controllable path class.
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*
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* @class
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* @mixes Annotation.controllableMixin
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* @mixes Annotation.markerMixin
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* @memberOf Annotation
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*
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* @param {Highcharts.Annotation}
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* @param {Object} options a path's options object
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**/
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function ControllablePath(annotation, options) {
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this.init(annotation, options);
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}
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/**
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* @typedef {Object} Annotation.ControllablePath.AttrsMap
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* @property {string} dashStyle=dashstyle
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* @property {string} strokeWidth=stroke-width
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* @property {string} stroke=stroke
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* @property {string} fill=fill
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* @property {string} zIndex=zIndex
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*/
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/**
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* A map object which allows to map options attributes to element attributes
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*
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* @type {Annotation.ControllablePath.AttrsMap}
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*/
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ControllablePath.attrsMap = {
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dashStyle: 'dashstyle',
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strokeWidth: 'stroke-width',
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stroke: 'stroke',
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fill: 'fill',
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zIndex: 'zIndex'
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};
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H.merge(
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true,
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ControllablePath.prototype,
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controllableMixin, /** @lends Annotation.ControllablePath# */ {
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/**
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* @type 'path'
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*/
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type: 'path',
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setMarkers: markerMixin.setItemMarkers,
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/**
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* Map the controllable path to 'd' path attribute
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*
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* @return {Array<(string|number)>} a path's d attribute
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*/
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toD: function () {
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var d = this.options.d;
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if (d) {
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return typeof d === 'function' ?
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d.call(this) :
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d;
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}
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var points = this.points,
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len = points.length,
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showPath = len,
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point = points[0],
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position = showPath && this.anchor(point).absolutePosition,
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pointIndex = 0,
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dIndex = 2,
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command;
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d = position && ['M', position.x, position.y];
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while (++pointIndex < len && showPath) {
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point = points[pointIndex];
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command = point.command || 'L';
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position = this.anchor(point).absolutePosition;
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if (command === 'Z') {
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d[++dIndex] = command;
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} else {
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if (command !== points[pointIndex - 1].command) {
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d[++dIndex] = command;
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}
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d[++dIndex] = position.x;
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d[++dIndex] = position.y;
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}
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showPath = point.series.visible;
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}
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return showPath ? this.chart.renderer.crispLine(
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d, this.graphic.strokeWidth()
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) : null;
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},
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shouldBeDrawn: function () {
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return controllableMixin.shouldBeDrawn.call(this) ||
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Boolean(this.options.d);
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},
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render: function (parent) {
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var options = this.options,
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attrs = this.attrsFromOptions(options);
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this.graphic = this.annotation.chart.renderer
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.path(['M', 0, 0])
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.attr(attrs)
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.add(parent);
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if (options.className) {
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this.graphic.addClass(options.className);
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}
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this.tracker = this.annotation.chart.renderer
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.path(['M', 0, 0])
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.addClass('highcharts-tracker-line')
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.attr({
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zIndex: 2
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})
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.add(parent);
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if (!this.annotation.chart.styledMode) {
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this.tracker.attr({
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'stroke-linejoin': 'round', // #1225
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stroke: TRACKER_FILL,
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fill: TRACKER_FILL,
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'stroke-width': this.graphic.strokeWidth() +
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options.snap * 2
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});
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}
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controllableMixin.render.call(this);
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H.extend(this.graphic, {
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markerStartSetter: markerMixin.markerStartSetter,
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markerEndSetter: markerMixin.markerEndSetter
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});
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this.setMarkers(this);
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},
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redraw: function (animation) {
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var d = this.toD(),
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action = animation ? 'animate' : 'attr';
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if (d) {
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this.graphic[action]({ d: d });
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this.tracker[action]({ d: d });
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} else {
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this.graphic.attr({ d: 'M 0 ' + -9e9 });
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this.tracker.attr({ d: 'M 0 ' + -9e9 });
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}
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this.graphic.placed = this.tracker.placed = Boolean(d);
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controllableMixin.redraw.call(this, animation);
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}
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}
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);
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export default ControllablePath;
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