Apps drag and drop feature

1 files changed, 57 insertions, 0 deletions

diff --git a/library/Sortable/src/EventDispatcher.js b/library/Sortable/src/EventDispatcher.js
new file mode 100644
index 000000000..e47cb5809
--- /dev/null
+++ b/library/Sortable/src/EventDispatcher.js
@@ -0,0 +1,57 @@
+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);
+	}
+}