Merged 3.1 to HEAD

13275: updated web-client to use tinymce v3
 13276: overlay display fix for when field has large content


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13585 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/web/scripts/tiny_mce/classes/util/Dispatcher.js

@@ -0,0 +1,101 @@
+/**
+ * $Id: Dispatcher.js 743 2008-03-23 17:47:33Z spocke $
+ *
+ * @author Moxiecode
+ * @copyright Copyright <20> 2004-2006, Moxiecode Systems AB, All rights reserved.
+ */
+
+/**#@+
+ * @class This class is used to dispatch event to observers/listeners.
+ * All internal events inside TinyMCE uses this class.
+ * @member tinymce.util.Dispatcher
+ */
+tinymce.create('tinymce.util.Dispatcher', {
+	scope : null,
+	listeners : null,
+
+	/**
+	 * Constructs a new event dispatcher object.
+	 *
+	 * @constructor
+	 * @param {Object} s Optional default execution scope for all observer functions.
+	 */
+	Dispatcher : function(s) {
+		this.scope = s || this;
+		this.listeners = [];
+	},
+
+	/**#@+
+	 * @method
+	 */
+
+	/**
+	 * Add an observer function to be executed when a dispatch call is done.
+	 *
+	 * @param {function} cb Callback function to execute when a dispatch event occurs.
+	 * @param {Object} s Optional execution scope, defaults to the one specified in the class constructor.
+	 * @return {function} Returns the same function as the one passed on.
+	 */
+	add : function(cb, s) {
+		this.listeners.push({cb : cb, scope : s || this.scope});
+
+		return cb;
+	},
+
+	/**
+	 * Add an observer function to be executed to the top of the list of observers.
+	 *
+	 * @param {function} cb Callback function to execute when a dispatch event occurs.
+	 * @param {Object} s Optional execution scope, defaults to the one specified in the class constructor.
+	 * @return {function} Returns the same function as the one passed on.
+	 */
+	addToTop : function(cb, s) {
+		this.listeners.unshift({cb : cb, scope : s || this.scope});
+
+		return cb;
+	},
+
+	/**
+	 * Removes an observer function.
+	 *
+	 * @param {function} cb Observer function to remove.
+	 * @return {function} The same function that got passed in or null if it wasn't found.
+	 */
+	remove : function(cb) {
+		var l = this.listeners, o = null;
+
+		tinymce.each(l, function(c, i) {
+			if (cb == c.cb) {
+				o = cb;
+				l.splice(i, 1);
+				return false;
+			}
+		});
+
+		return o;
+	},
+
+	/**
+	 * Dispatches an event to all observers/listeners.
+	 *
+	 * @param {Object} .. Any number of arguments to dispatch.
+	 * @return {Object} Last observer functions return value.
+	 */
+	dispatch : function() {
+		var s, a = arguments, i, li = this.listeners, c;
+
+		// Needs to be a real loop since the listener count might change while looping
+		// And this is also more efficient
+		for (i = 0; i<li.length; i++) {
+			c = li[i];
+			s = c.cb.apply(c.scope, a);
+
+			if (s === false)
+				break;
+		}
+
+		return s;
+	}
+
+	/**#@-*/
+});