--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/myams/resources/js/ext/tinymce/dev/classes/util/Observable.js	Fri Jul 10 16:59:11 2020 +0200
@@ -0,0 +1,129 @@
+/**
+ * Observable.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * This mixin will add event binding logic to classes.
+ *
+ * @mixin tinymce.util.Observable
+ */
+define("tinymce/util/Observable", [
+	"tinymce/util/EventDispatcher"
+], function(EventDispatcher) {
+	function getEventDispatcher(obj) {
+		if (!obj._eventDispatcher) {
+			obj._eventDispatcher = new EventDispatcher({
+				scope: obj,
+				toggleEvent: function(name, state) {
+					if (EventDispatcher.isNative(name) && obj.toggleNativeEvent) {
+						obj.toggleNativeEvent(name, state);
+					}
+				}
+			});
+		}
+
+		return obj._eventDispatcher;
+	}
+
+	return {
+		/**
+		 * Fires the specified event by name.
+		 *
+		 * @method fire
+		 * @param {String} name Name of the event to fire.
+		 * @param {Object?} args Event arguments.
+		 * @param {Boolean?} bubble True/false if the event is to be bubbled.
+		 * @return {Object} Event args instance passed in.
+		 * @example
+		 * instance.fire('event', {...});
+		 */
+		fire: function(name, args, bubble) {
+			var self = this;
+
+			// Prevent all events except the remove event after the instance has been removed
+			if (self.removed && name !== "remove") {
+				return args;
+			}
+
+			args = getEventDispatcher(self).fire(name, args, bubble);
+
+			// Bubble event up to parents
+			if (bubble !== false && self.parent) {
+				var parent = self.parent();
+				while (parent && !args.isPropagationStopped()) {
+					parent.fire(name, args, false);
+					parent = parent.parent();
+				}
+			}
+
+			return args;
+		},
+
+		/**
+		 * Binds an event listener to a specific event by name.
+		 *
+		 * @method on
+		 * @param {String} name Event name or space separated list of events to bind.
+		 * @param {callback} callback Callback to be executed when the event occurs.
+		 * @param {Boolean} first Optional flag if the event should be prepended. Use this with care.
+		 * @return {Object} Current class instance.
+		 * @example
+		 * instance.on('event', function(e) {
+		 *     // Callback logic
+		 * });
+		 */
+		on: function(name, callback, prepend) {
+			return getEventDispatcher(this).on(name, callback, prepend);
+		},
+
+		/**
+		 * Unbinds an event listener to a specific event by name.
+		 *
+		 * @method off
+		 * @param {String?} name Name of the event to unbind.
+		 * @param {callback?} callback Callback to unbind.
+		 * @return {Object} Current class instance.
+		 * @example
+		 * // Unbind specific callback
+		 * instance.off('event', handler);
+		 *
+		 * // Unbind all listeners by name
+		 * instance.off('event');
+		 *
+		 * // Unbind all events
+		 * instance.off();
+		 */
+		off: function(name, callback) {
+			return getEventDispatcher(this).off(name, callback);
+		},
+
+		/**
+		 * Bind the event callback and once it fires the callback is removed.
+		 *
+		 * @method once
+		 * @param {String} name Name of the event to bind.
+		 * @param {callback} callback Callback to bind only once.
+		 * @return {Object} Current class instance.
+		 */
+		once: function(name, callback) {
+			return getEventDispatcher(this).once(name, callback);
+		},
+
+		/**
+		 * Returns true/false if the object has a event of the specified name.
+		 *
+		 * @method hasEventListeners
+		 * @param {String} name Name of the event to check for.
+		 * @return {Boolean} true/false if the event exists or not.
+		 */
+		hasEventListeners: function(name) {
+			return getEventDispatcher(this).has(name);
+		}
+	};
+});
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