| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package mx.binding |
| { |
| |
| import flash.events.Event; |
| import mx.core.mx_internal; |
| |
| use namespace mx_internal; |
| |
| [ExcludeClass] |
| |
| /** |
| * @private |
| */ |
| public class RepeaterComponentWatcher extends PropertyWatcher |
| { |
| include "../core/Version.as"; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| * |
| * Create a RepeaterComponentWatcher |
| * |
| * @param prop The name of the property to watch. |
| * @param event The event type that indicates the property has changed. |
| * @param listeners The binding objects that are listening to this Watcher. |
| * @param propertyGetter A helper function used to access non-public variables. |
| */ |
| public function RepeaterComponentWatcher(propertyName:String, |
| events:Object, |
| listeners:Array, |
| propertyGetter:Function = null) |
| { |
| super(propertyName, events, listeners, propertyGetter); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Properties |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| private var clones:Array; |
| |
| /** |
| * @private |
| */ |
| private var original:Boolean = true; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods: Watcher |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @private |
| */ |
| override public function updateChildren():void |
| { |
| if (original) |
| { |
| updateClones(); |
| } |
| else |
| { |
| super.updateChildren(); |
| } |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function shallowClone():Watcher |
| { |
| return new RepeaterComponentWatcher(propertyName, events, listeners, propertyGetter); |
| } |
| |
| /** |
| * @private |
| */ |
| private function updateClones():void |
| { |
| var components:Array = value as Array; |
| |
| if (components) |
| { |
| if (clones) |
| clones = clones.splice(0, components.length); |
| else |
| clones = []; |
| |
| for (var i:int = 0; i < components.length; i++) |
| { |
| var clone:RepeaterComponentWatcher = RepeaterComponentWatcher(clones[i]); |
| |
| if (!clone) |
| { |
| clone = RepeaterComponentWatcher(deepClone(i)); |
| clone.original = false; |
| clones[i] = clone; |
| } |
| |
| clone.value = components[i]; |
| clone.updateChildren(); |
| } |
| } |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Event handlers |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Invokes super's notifyListeners() on each of the clones. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 9 |
| * @playerversion AIR 1.1 |
| * @productversion Flex 3 |
| */ |
| override public function notifyListeners(commitEvent:Boolean):void |
| { |
| if (original) |
| { |
| if (clones) |
| { |
| for (var i:int = 0; i < clones.length; i++) |
| { |
| RepeaterComponentWatcher(clones[i]).notifyListeners(commitEvent); |
| } |
| } |
| } |
| |
| super.notifyListeners(commitEvent); |
| } |
| } |
| |
| } |