VLEX/BPM-UI/node_modules/devextreme/viz/tree_map/tracker.js

/**
 * DevExtreme (viz/tree_map/tracker.js)
 * Version: 19.1.16
 * Build date: Tue Oct 18 2022
 *
 * Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
"use strict";
var proto = require("./tree_map.base").prototype;
var Tracker = require("../components/tracker").Tracker;
var expand = require("../core/helpers").expand;
var _parseScalar = require("../core/utils").parseScalar;
var DATA_KEY_BASE = "__treemap_data_";
var dataKeyModifier = 0;
require("./api");
require("./hover");
require("./tooltip");
proto._eventsMap.onClick = {
    name: "click"
};
expand(proto, "_initCore", function() {
    var that = this;
    var dataKey = DATA_KEY_BASE + dataKeyModifier++;
    var getProxy = function(index) {
        return that._nodes[index].proxy
    };
    that._tracker = new Tracker({
        widget: that,
        root: that._renderer.root,
        getNode: function(id) {
            var proxy = getProxy(id);
            var interactWithGroup = _parseScalar(that._getOption("interactWithGroup", true));
            return interactWithGroup && proxy.isLeaf() && proxy.getParent().isActive() ? proxy.getParent() : proxy
        },
        getData: function(e) {
            var target = e.target;
            return ("tspan" === target.tagName ? target.parentNode : target)[dataKey]
        },
        getProxy: getProxy,
        click: function(e) {
            that._eventTrigger("click", e)
        }
    });
    that._handlers.setTrackerData = function(node, element) {
        element.data(dataKey, node._id)
    }
});
expand(proto, "_disposeCore", function() {
    this._tracker.dispose()
});