devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
74 lines (73 loc) • 2.49 kB
JavaScript
/**
* DevExtreme (viz/funnel/tracker.js)
* Version: 20.1.7
* Build date: Tue Aug 25 2020
*
* Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var proto = require("./funnel").prototype;
var Tracker = require("../components/tracker").Tracker;
var DATA_KEY_BASE = "__funnel_data_";
var isDefined = require("../../core/utils/type").isDefined;
var dataKeyModifier = 0;
proto._eventsMap.onItemClick = {
name: "itemClick"
};
proto._eventsMap.onLegendClick = {
name: "legendClick"
};
exports.plugin = {
name: "tracker",
init: function() {
var that = this;
var dataKey = DATA_KEY_BASE + dataKeyModifier++;
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)
})
}
}
};