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HTML5 JavaScript Component Suite for Responsive Web Development

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/** * DevExtreme (esm/viz/funnel/tracker.js) * Version: 22.1.9 * Build date: Tue Apr 18 2023 * * Copyright (c) 2012 - 2023 Developer Express Inc. ALL RIGHTS RESERVED * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/ */ import Funnel from "./funnel"; import { Tracker } from "../components/tracker"; var DATA_KEY_BASE = "__funnel_data_"; import { isDefined } from "../../core/utils/type"; var dataKeyModifier = 0; var proto = Funnel.prototype; proto._eventsMap.onItemClick = { name: "itemClick" }; proto._eventsMap.onLegendClick = { name: "legendClick" }; var getDataKey = function() { return DATA_KEY_BASE + dataKeyModifier++ }; export var plugin = { name: "tracker", init: function() { var that = this; var dataKey = getDataKey(); var getProxyData = function(e) { var rootOffset = that._renderer.getRootOffset(); var x = Math.floor(e.pageX - rootOffset.left); var y = Math.floor(e.pageY - rootOffset.top); return that._hitTestTargets(x, y) }; that._tracker = new Tracker({ widget: that, root: that._renderer.root, getData: function(e, tooltipData) { var target = e.target; var data = target[dataKey]; if (isDefined(data)) { return data } var proxyData = getProxyData(e); if (tooltipData && proxyData && "inside-label" !== proxyData.type) { return } return proxyData && proxyData.id }, getNode: function(index) { return that._items[index] }, click: function(e) { var proxyData = getProxyData(e.event); var dataType = proxyData && proxyData.type; var event = "legend" === dataType ? "legendClick" : "itemClick"; that._eventTrigger(event, { item: e.node, event: e.event }) } }); this._dataKey = dataKey }, dispose: function() { this._tracker.dispose() }, extenders: { _change_TILING: function() { var dataKey = this._dataKey; this._items.forEach((function(item, index) { item.element.data(dataKey, index) })) } } };