EventDispatcher.js
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import { IE11OrLess, Edge } from './BrowserInfo.js';
import { expando } from './utils.js';
import PluginManager from './PluginManager.js';
export default function dispatchEvent(
{
sortable, rootEl, name,
targetEl, cloneEl, toEl, fromEl,
oldIndex, newIndex,
oldDraggableIndex, newDraggableIndex,
originalEvent, putSortable, extraEventProperties
}
) {
sortable = (sortable || (rootEl && rootEl[expando]));
if (!sortable) return;
let evt,
options = sortable.options,
onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
// Support for new CustomEvent feature
if (window.CustomEvent && !IE11OrLess && !Edge) {
evt = new CustomEvent(name, {
bubbles: true,
cancelable: true
});
} else {
evt = document.createEvent('Event');
evt.initEvent(name, true, true);
}
evt.to = toEl || rootEl;
evt.from = fromEl || rootEl;
evt.item = targetEl || rootEl;
evt.clone = cloneEl;
evt.oldIndex = oldIndex;
evt.newIndex = newIndex;
evt.oldDraggableIndex = oldDraggableIndex;
evt.newDraggableIndex = newDraggableIndex;
evt.originalEvent = originalEvent;
evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
let allEventProperties = { ...extraEventProperties, ...PluginManager.getEventProperties(name, sortable) };
for (let option in allEventProperties) {
evt[option] = allEventProperties[option];
}
if (rootEl) {
rootEl.dispatchEvent(evt);
}
if (options[onName]) {
options[onName].call(sortable, evt);
}
}