Yuck no idea what happened. I reverted and pushed again. Let’s see what it says this time.
-Alex On 3/2/15, 3:53 AM, "Erik de Bruin" <e...@ixsoftware.nl> wrote: >Alex, > >What happened to this commit? The diff looks like you completely >replaced the entire contents of the file... While the subject suggests >you only changed the name of one of the variables? > >Maybe revert and try to create a more readable diff? > >EdB > > > >On Sun, Mar 1, 2015 at 8:03 AM, <aha...@apache.org> wrote: >> Repository: flex-sdk >> Updated Branches: >> refs/heads/develop ca3287102 -> 3c40976eb >> >> >> Falcon caught a duplicate variable >> >> >> Project: http://git-wip-us.apache.org/repos/asf/flex-sdk/repo >> Commit: http://git-wip-us.apache.org/repos/asf/flex-sdk/commit/3c40976e >> Tree: http://git-wip-us.apache.org/repos/asf/flex-sdk/tree/3c40976e >> Diff: http://git-wip-us.apache.org/repos/asf/flex-sdk/diff/3c40976e >> >> Branch: refs/heads/develop >> Commit: 3c40976eb0b3a73d2bb7180cc22400917f719fc4 >> Parents: ca32871 >> Author: Alex Harui <aha...@apache.org> >> Authored: Sat Feb 28 23:03:24 2015 -0800 >> Committer: Alex Harui <aha...@apache.org> >> Committed: Sat Feb 28 23:03:24 2015 -0800 >> >> ---------------------------------------------------------------------- >> .../org/apache/flex/collections/ArrayList.as | 1678 >>+++++++++--------- >> 1 file changed, 839 insertions(+), 839 deletions(-) >> ---------------------------------------------------------------------- >> >> >> >>http://git-wip-us.apache.org/repos/asf/flex-sdk/blob/3c40976e/frameworks/ >>projects/apache/src/org/apache/flex/collections/ArrayList.as >> ---------------------------------------------------------------------- >> diff --git >>a/frameworks/projects/apache/src/org/apache/flex/collections/ArrayList.as >> >>b/frameworks/projects/apache/src/org/apache/flex/collections/ArrayList.as >> index a1ea7b4..853f812 100644 >> --- >>a/frameworks/projects/apache/src/org/apache/flex/collections/ArrayList.as >> +++ >>b/frameworks/projects/apache/src/org/apache/flex/collections/ArrayList.as >> @@ -1,839 +1,839 @@ >> >>-//////////////////////////////////////////////////////////////////////// >>//////// >> -// >> -// 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 org.apache.flex.collections >> -{ >> - >> -import flash.events.EventDispatcher; >> -import flash.events.IEventDispatcher; >> -import flash.utils.IDataInput; >> -import flash.utils.IDataOutput; >> -import flash.utils.IExternalizable; >> -import flash.utils.getQualifiedClassName; >> - >> -import mx.collections.ICollectionView; >> -import mx.collections.IList; >> -import mx.core.IPropertyChangeNotifier; >> -import mx.events.CollectionEvent; >> -import mx.events.CollectionEventKind; >> -import mx.events.PropertyChangeEvent; >> -import mx.events.PropertyChangeEventKind; >> -import mx.resources.IResourceManager; >> -import mx.resources.ResourceManager; >> -import mx.utils.ArrayUtil; >> -import mx.utils.UIDUtil; >> - >> -//-------------------------------------- >> -// Events >> -//-------------------------------------- >> - >> -/** >> - * Dispatched when the IList has been updated in some way. >> - * >> - * @eventType mx.events.CollectionEvent.COLLECTION_CHANGE >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> -[Event(name="collectionChange", type="mx.events.CollectionEvent")] >> - >> -//-------------------------------------- >> -// Other metadata >> -//-------------------------------------- >> - >> -[RemoteClass(alias="flex.messaging.io.ArrayList")] >> - >> -[ResourceBundle("collections")] >> - >> -[DefaultProperty("source")] >> - >> -/** >> - * The ArrayList class is a simple implementation of IList >> - * that uses a backing Array as the source of the data. >> - * >> - * Items in the backing Array can be accessed and manipulated >> - * using the methods and properties of the <code>IList</code> >> - * interface. Operations on an ArrayList instance modify the >> - * data source; for example, if you use the >><code>removeItemAt()</code> >> - * method on an ArrayList, you remove the item from the underlying >> - * Array. >> - * >> - * This base class will not throw ItemPendingErrors but it >> - * is possible that a subclass might. >> - * >> - * <pre> >> - * <mx:ArrayList >> - * <b>Properties</b> >> - * source="null" >> - * /> >> - * </pre> >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 10 >> - * @playerversion AIR 1.5 >> - * @productversion Flex 4 >> - */ >> -public class ArrayList extends EventDispatcher >> - implements IList, IExternalizable, IPropertyChangeNotifier >> -{ >> - //include "../core/Version.as"; >> - >> - >>//----------------------------------------------------------------------- >>--- >> - // >> - // Constructor >> - // >> - >>//----------------------------------------------------------------------- >>--- >> - >> - /** >> - * Construct a new ArrayList using the specified array as its >>source. >> - * If no source is specified an empty array will be used. >> - * >> - * @param source The Array to use as a source for the ArrayList. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function ArrayList(source:Array = null) >> - { >> - super(); >> - >> - disableEvents(); >> - this.source = source; >> - enableEvents(); >> - } >> - >> - >>//----------------------------------------------------------------------- >>--- >> - // >> - // Variables >> - // >> - >>//----------------------------------------------------------------------- >>--- >> - >> - /** >> - * @private >> - * Used for accessing localized Error messages. >> - */ >> - private var resourceManager:IResourceManager = >> - ResourceManager.getInstance(); >> - >> - /** >> - * @private >> - * Indicates if events should be dispatched. >> - * calls to enableEvents() and disableEvents() effect the value >>when == 0 >> - * events should be dispatched. >> - */ >> - private var _dispatchEvents:int = 0; >> - >> - >>//----------------------------------------------------------------------- >>--- >> - // >> - // Properties >> - // >> - >>//----------------------------------------------------------------------- >>--- >> - >> - //---------------------------------- >> - // length >> - //---------------------------------- >> - >> - [Bindable("collectionChange")] >> - >> - /** >> - * Get the number of items in the list. An ArrayList should >>always >> - * know its length so it shouldn't return -1, though a subclass >>may >> - * override that behavior. >> - * >> - * @return int representing the length of the source. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function get length():int >> - { >> - if (source) >> - return source.length; >> - else >> - return 0; >> - } >> - >> - //---------------------------------- >> - // source >> - //---------------------------------- >> - >> - /** >> - * @private >> - * Storage for the source Array. >> - */ >> - private var _source:Array; >> - >> - /** >> - * The source array for this ArrayList. >> - * Any changes done through the IList interface will be reflected >>in the >> - * source array. >> - * If no source array was supplied the ArrayList will create one >>internally. >> - * Changes made directly to the underlying Array (e.g., calling >> - * <code>theList.source.pop()</code> will not cause >><code>CollectionEvents</code> >> - * to be dispatched. >> - * >> - * @return An Array that represents the underlying source. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function get source():Array >> - { >> - return _source; >> - } >> - >> - public function set source(s:Array):void >> - { >> - var i:int; >> - var len:int; >> - if (_source && _source.length) >> - { >> - len = _source.length; >> - for (i = 0; i < len; i++) >> - { >> - stopTrackUpdates(_source[i]); >> - } >> - } >> - _source = s ? s : []; >> - len = _source.length; >> - for (i = 0; i < len; i++) >> - { >> - startTrackUpdates(_source[i]); >> - } >> - >> - if (_dispatchEvents == 0) >> - { >> - var event:CollectionEvent = >> - new CollectionEvent(CollectionEvent.COLLECTION_CHANGE); >> - event.kind = CollectionEventKind.RESET; >> - dispatchEvent(event); >> - } >> - } >> - >> - //---------------------------------- >> - // uid -- mx.core.IPropertyChangeNotifier >> - //---------------------------------- >> - >> - /** >> - * @private >> - * Storage for the UID String. >> - */ >> - private var _uid:String; >> - >> - /** >> - * Provides access to the unique id for this list. >> - * >> - * @return String representing the internal uid. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function get uid():String >> - { >> - if (!_uid) { >> - _uid = UIDUtil.createUID(); >> - } >> - return _uid; >> - } >> - >> - public function set uid(value:String):void >> - { >> - _uid = value; >> - } >> - >> - >>//----------------------------------------------------------------------- >>--- >> - // >> - // Methods >> - // >> - >>//----------------------------------------------------------------------- >>--- >> - >> - /** >> - * Get the item at the specified index. >> - * >> - * @param index the index in the list from which to retrieve the >>item >> - * @param prefetch int indicating both the direction and amount >>of items >> - * to fetch during the request should the item not be >>local. >> - * @return the item at that index, null if there is none >> - * @throws ItemPendingError if the data for that index needs to be >> - * loaded from a remote location >> - * @throws RangeError if the index < 0 or index >= length >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function getItemAt(index:int, prefetch:int = 0):Object >> - { >> - if (index < 0 || index >= length) >> - { >> - var message:String = resourceManager.getString( >> - "collections", "outOfBounds", [ index ]); >> - throw new RangeError(message); >> - } >> - >> - return source[index]; >> - } >> - >> - /** >> - * Place the item at the specified index. >> - * If an item was already at that index the new item will replace >>it and it >> - * will be returned. >> - * >> - * @param item the new value for the index >> - * @param index the index at which to place the item >> - * @return the item that was replaced, null if none >> - * @throws RangeError if index is less than 0 or greater than or >>equal to length >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function setItemAt(item:Object, index:int):Object >> - { >> - if (index < 0 || index >= length) >> - { >> - var message:String = resourceManager.getString( >> - "collections", "outOfBounds", [ index ]); >> - throw new RangeError(message); >> - } >> - >> - var oldItem:Object = source[index]; >> - source[index] = item; >> - stopTrackUpdates(oldItem); >> - startTrackUpdates(item); >> - >> - //dispatch the appropriate events >> - if (_dispatchEvents == 0) >> - { >> - var hasCollectionListener:Boolean = >> - hasEventListener(CollectionEvent.COLLECTION_CHANGE); >> - var hasPropertyListener:Boolean = >> - hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE); >> - var updateInfo:PropertyChangeEvent; >> - >> - if (hasCollectionListener || hasPropertyListener) >> - { >> - updateInfo = new >>PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE); >> - updateInfo.kind = PropertyChangeEventKind.UPDATE; >> - updateInfo.oldValue = oldItem; >> - updateInfo.newValue = item; >> - updateInfo.property = index; >> - } >> - >> - if (hasCollectionListener) >> - { >> - var event:CollectionEvent = >> - new >>CollectionEvent(CollectionEvent.COLLECTION_CHANGE); >> - event.kind = CollectionEventKind.REPLACE; >> - event.location = index; >> - event.items.push(updateInfo); >> - dispatchEvent(event); >> - } >> - >> - if (hasPropertyListener) >> - { >> - dispatchEvent(updateInfo); >> - } >> - } >> - return oldItem; >> - } >> - >> - /** >> - * Add the specified item to the end of the list. >> - * Equivalent to addItemAt(item, length); >> - * >> - * @param item the item to add >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function addItem(item:Object):void >> - { >> - addItemAt(item, length); >> - } >> - >> - /** >> - * Add the item at the specified index. >> - * Any item that was after this index is moved out by one. >> - * >> - * @param item the item to place at the index >> - * @param index the index at which to place the item >> - * @throws RangeError if index is less than 0 or greater than the >>length >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function addItemAt(item:Object, index:int):void >> - { >> - const spliceUpperBound:int = length; >> - >> - if (index < spliceUpperBound && index > 0) >> - { >> - source.splice(index, 0, item); >> - } >> - else if (index == spliceUpperBound) >> - { >> - source.push(item); >> - } >> - else if (index == 0) >> - { >> - source.unshift(item); >> - } >> - else >> - { >> - var message:String = resourceManager.getString( >> - "collections", "outOfBounds", [ index ]); >> - throw new RangeError(message); >> - } >> - >> - startTrackUpdates(item); >> - internalDispatchEvent(CollectionEventKind.ADD, item, index); >> - } >> - >> - /** >> - * @copy mx.collections.ListCollectionView#addAll() >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function addAll(addList:IList):void >> - { >> - addAllAt(addList, length); >> - } >> - >> - /** >> - * @copy mx.collections.ListCollectionView#addAllAt() >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function addAllAt(addList:IList, index:int):void >> - { >> - var length:int = addList.length; >> - for (var i:int = 0; i < length; i++) >> - { >> - this.addItemAt(addList.getItemAt(i), i+index); >> - } >> - } >> - >> - /** >> - * Return the index of the item if it is in the list such that >> - * getItemAt(index) == item. >> - * Note that in this implementation the search is linear and is >>therefore >> - * O(n). >> - * >> - * @param item the item to find >> - * @return the index of the item, -1 if the item is not in the >>list. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function getItemIndex(item:Object):int >> - { >> - return ArrayUtil.getItemIndex(item, source); >> - } >> - >> - /** >> - * Removes the specified item from this list, should it exist. >> - * >> - * @param item Object reference to the item that should be >>removed. >> - * @return Boolean indicating if the item was removed. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function removeItem(item:Object):Boolean >> - { >> - var index:int = getItemIndex(item); >> - var result:Boolean = index >= 0; >> - if (result) >> - removeItemAt(index); >> - >> - return result; >> - } >> - >> - /** >> - * Remove the item at the specified index and return it. >> - * Any items that were after this index are now one index earlier. >> - * >> - * @param index The index from which to remove the item. >> - * @return The item that was removed. >> - * @throws RangeError if index < 0 or index >= length. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function removeItemAt(index:int):Object >> - { >> - const spliceUpperBound:int = length - 1; >> - var removed:Object; >> - >> - if (index > 0 && index < spliceUpperBound) >> - { >> - removed = source.splice(index, 1)[0]; >> - } >> - else if (index == spliceUpperBound) >> - { >> - removed = source.pop(); >> - } >> - else if (index == 0) >> - { >> - removed = source.shift(); >> - } >> - else >> - { >> - var message:String = resourceManager.getString( >> - "collections", "outOfBounds", [ index ]); >> - throw new RangeError(message); >> - } >> - >> - var removed:Object = source.splice(index, 1)[0]; >> - stopTrackUpdates(removed); >> - internalDispatchEvent(CollectionEventKind.REMOVE, removed, >>index); >> - return removed; >> - } >> - >> - /** >> - * Remove all items from the list. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function removeAll():void >> - { >> - if (length > 0) >> - { >> - var len:int = length; >> - for (var i:int = 0; i < len; i++) >> - { >> - stopTrackUpdates(source[i]); >> - } >> - >> - source.splice(0, length); >> - internalDispatchEvent(CollectionEventKind.RESET); >> - } >> - } >> - >> - /** >> - * Notify the view that an item has been updated. >> - * This is useful if the contents of the view do not implement >> - * <code>IEventDispatcher</code>. >> - * If a property is specified the view may be able to optimize its >> - * notification mechanism. >> - * Otherwise it may choose to simply refresh the whole view. >> - * >> - * @param item The item within the view that was updated. >> - * >> - * @param property A String, QName, or int >> - * specifying the property that was updated. >> - * >> - * @param oldValue The old value of that property. >> - * (If property was null, this can be the old value of the item.) >> - * >> - * @param newValue The new value of that property. >> - * (If property was null, there's no need to specify this >> - * as the item is assumed to be the new value.) >> - * >> - * @see mx.events.CollectionEvent >> - * @see mx.core.IPropertyChangeNotifier >> - * @see mx.events.PropertyChangeEvent >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function itemUpdated(item:Object, property:Object = null, >> - oldValue:Object = null, >> - newValue:Object = null):void >> - { >> - var event:PropertyChangeEvent = >> - new >>PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE); >> - >> - event.kind = PropertyChangeEventKind.UPDATE; >> - event.source = item; >> - event.property = property; >> - event.oldValue = oldValue; >> - event.newValue = newValue; >> - >> - //This handler was intended to handle events from child >>objects, not to be called directly >> - //itemUpdateHandler(event); >> - >> - internalDispatchEvent(CollectionEventKind.UPDATE, >>event); >> - >> - // need to dispatch object event now >> - if (_dispatchEvents == 0 && >>hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE)) >> - { >> - dispatchPropertyChangeEventClone( event, item ); >> - } >> - } >> - >> - /** >> - * Return an Array that is populated in the same order as the >>IList >> - * implementation. >> - * >> - * @return An Array populated in the same order as the IList >> - * implementation. >> - * >> - * @throws ItemPendingError if the data is not yet completely >>loaded >> - * from a remote location >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - public function toArray():Array >> - { >> - return source.concat(); >> - } >> - >> - /** >> - * Ensures that only the source property is seralized. >> - * @private >> - */ >> - public function readExternal(input:IDataInput):void >> - { >> - source = input.readObject(); >> - } >> - >> - /** >> - * Ensures that only the source property is serialized. >> - * @private >> - */ >> - public function writeExternal(output:IDataOutput):void >> - { >> - output.writeObject(_source); >> - } >> - >> - /** >> - * Pretty prints the contents of this ArrayList to a string and >>returns it. >> - * >> - * @return A String containing the contents of the ArrayList. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - override public function toString():String >> - { >> - if (source) >> - return source.toString(); >> - else >> - return getQualifiedClassName(this); >> - } >> - >> - >>//----------------------------------------------------------------------- >>--- >> - // >> - // Internal Methods >> - // >> - >>//----------------------------------------------------------------------- >>--- >> - >> - /** >> - * Dispatches a PropertyChangeEvent clone either from a child >>object whose event needs to be redispatched >> - * or when a PropertyChangeEvent is faked inside of this class >>for the purposes of informing the view >> - * of an update to underlying data. >> - * >> - * @param event The PropertyChangeEvent to be cloned and >>dispatched >> - * @param item The item within the view that was updated. >> - * >> - * @see mx.core.IPropertyChangeNotifier >> - * @see mx.events.PropertyChangeEvent >> - */ >> - >> - private function dispatchPropertyChangeEventClone( >>event:PropertyChangeEvent, item:Object ):void { >> - var objEvent:PropertyChangeEvent = >>PropertyChangeEvent(event.clone()); >> - >> - var index:int = getItemIndex( item ); >> - objEvent.property = index.toString() + "." + >>event.property; >> - dispatchEvent(objEvent); >> - } >> - >> - /** >> - * Enables event dispatch for this list. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - private function enableEvents():void >> - { >> - _dispatchEvents++; >> - if (_dispatchEvents > 0) >> - _dispatchEvents = 0; >> - } >> - >> - /** >> - * Disables event dispatch for this list. >> - * To re-enable events call enableEvents(), enableEvents() must >>be called >> - * a matching number of times as disableEvents(). >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - private function disableEvents():void >> - { >> - _dispatchEvents--; >> - } >> - >> - /** >> - * Dispatches a collection event with the specified information. >> - * >> - * @param kind String indicates what the kind property of the >>event should be >> - * @param item Object reference to the item that was added or >>removed >> - * @param location int indicating where in the source the item >>was added. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - private function internalDispatchEvent(kind:String, item:Object = >>null, location:int = -1):void >> - { >> - if (_dispatchEvents == 0) >> - { >> - if (hasEventListener(CollectionEvent.COLLECTION_CHANGE)) >> - { >> - var event:CollectionEvent = >> - new >>CollectionEvent(CollectionEvent.COLLECTION_CHANGE); >> - event.kind = kind; >> - event.items.push(item); >> - event.location = location; >> - dispatchEvent(event); >> - } >> - >> - // now dispatch a complementary PropertyChangeEvent >> - if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE) >>&& >> - (kind == CollectionEventKind.ADD || kind == >>CollectionEventKind.REMOVE)) >> - { >> - var objEvent:PropertyChangeEvent = >> - new >>PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE); >> - objEvent.property = location; >> - if (kind == CollectionEventKind.ADD) >> - objEvent.newValue = item; >> - else >> - objEvent.oldValue = item; >> - dispatchEvent(objEvent); >> - } >> - } >> - } >> - >> - /** >> - * Called when any of the contained items in the list dispatch an >> - * ObjectChange event. >> - * Wraps it in a <code>CollectionEventKind.UPDATE</code> object. >> - * >> - * @param event The event object for the ObjectChange event. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - protected function >>itemUpdateHandler(event:PropertyChangeEvent):void >> - { >> - internalDispatchEvent(CollectionEventKind.UPDATE, event); >> - >> - // need to dispatch object event now >> - if (_dispatchEvents == 0 && >>hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE)) >> - { >> - dispatchPropertyChangeEventClone( event, >>event.target ); >> - } >> - } >> - >> - /** >> - * If the item is an IEventDispatcher, watch it for updates. >> - * This method is called by the <code>addItemAt()</code> method, >> - * and when the source is initially assigned. >> - * >> - * @param item The item passed to the <code>addItemAt()</code> >>method. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - protected function startTrackUpdates(item:Object):void >> - { >> - if (item && (item is IEventDispatcher)) >> - { >> - IEventDispatcher(item).addEventListener( >> - >>PropertyChangeEvent.PROPERTY_CHANGE, >> - itemUpdateHandler, false, 0, >>true); >> - } >> - } >> - >> - /** >> - * If the item is an IEventDispatcher, stop watching it for >>updates. >> - * This method is called by the <code>removeItemAt()</code> and >> - * <code>removeAll()</code> methods, and before a new >> - * source is assigned. >> - * >> - * @param item The item passed to the <code>removeItemAt()</code> >>method. >> - * >> - * @langversion 3.0 >> - * @playerversion Flash 9 >> - * @playerversion AIR 1.1 >> - * @productversion Flex 3 >> - */ >> - protected function stopTrackUpdates(item:Object):void >> - { >> - if (item && item is IEventDispatcher) >> - { >> - IEventDispatcher(item).removeEventListener( >> - >>PropertyChangeEvent.PROPERTY_CHANGE, >> - itemUpdateHandler); >> - } >> - } >> - >> -} >> - >> -} >> >>+//////////////////////////////////////////////////////////////////////// >>//////// >> +// >> +// 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 org.apache.flex.collections >> +{ >> + >> +import flash.events.EventDispatcher; >> +import flash.events.IEventDispatcher; >> +import flash.utils.IDataInput; >> +import flash.utils.IDataOutput; >> +import flash.utils.IExternalizable; >> +import flash.utils.getQualifiedClassName; >> + >> +import mx.collections.ICollectionView; >> +import mx.collections.IList; >> +import mx.core.IPropertyChangeNotifier; >> +import mx.events.CollectionEvent; >> +import mx.events.CollectionEventKind; >> +import mx.events.PropertyChangeEvent; >> +import mx.events.PropertyChangeEventKind; >> +import mx.resources.IResourceManager; >> +import mx.resources.ResourceManager; >> +import mx.utils.ArrayUtil; >> +import mx.utils.UIDUtil; >> + >> +//-------------------------------------- >> +// Events >> +//-------------------------------------- >> + >> +/** >> + * Dispatched when the IList has been updated in some way. >> + * >> + * @eventType mx.events.CollectionEvent.COLLECTION_CHANGE >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> +[Event(name="collectionChange", type="mx.events.CollectionEvent")] >> + >> +//-------------------------------------- >> +// Other metadata >> +//-------------------------------------- >> + >> +[RemoteClass(alias="flex.messaging.io.ArrayList")] >> + >> +[ResourceBundle("collections")] >> + >> +[DefaultProperty("source")] >> + >> +/** >> + * The ArrayList class is a simple implementation of IList >> + * that uses a backing Array as the source of the data. >> + * >> + * Items in the backing Array can be accessed and manipulated >> + * using the methods and properties of the <code>IList</code> >> + * interface. Operations on an ArrayList instance modify the >> + * data source; for example, if you use the >><code>removeItemAt()</code> >> + * method on an ArrayList, you remove the item from the underlying >> + * Array. >> + * >> + * This base class will not throw ItemPendingErrors but it >> + * is possible that a subclass might. >> + * >> + * <pre> >> + * <mx:ArrayList >> + * <b>Properties</b> >> + * source="null" >> + * /> >> + * </pre> >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 10 >> + * @playerversion AIR 1.5 >> + * @productversion Flex 4 >> + */ >> +public class ArrayList extends EventDispatcher >> + implements IList, IExternalizable, IPropertyChangeNotifier >> +{ >> + //include "../core/Version.as"; >> + >> + >>//----------------------------------------------------------------------- >>--- >> + // >> + // Constructor >> + // >> + >>//----------------------------------------------------------------------- >>--- >> + >> + /** >> + * Construct a new ArrayList using the specified array as its >>source. >> + * If no source is specified an empty array will be used. >> + * >> + * @param source The Array to use as a source for the ArrayList. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function ArrayList(source:Array = null) >> + { >> + super(); >> + >> + disableEvents(); >> + this.source = source; >> + enableEvents(); >> + } >> + >> + >>//----------------------------------------------------------------------- >>--- >> + // >> + // Variables >> + // >> + >>//----------------------------------------------------------------------- >>--- >> + >> + /** >> + * @private >> + * Used for accessing localized Error messages. >> + */ >> + private var resourceManager:IResourceManager = >> + ResourceManager.getInstance(); >> + >> + /** >> + * @private >> + * Indicates if events should be dispatched. >> + * calls to enableEvents() and disableEvents() effect the value >>when == 0 >> + * events should be dispatched. >> + */ >> + private var _dispatchEvents:int = 0; >> + >> + >>//----------------------------------------------------------------------- >>--- >> + // >> + // Properties >> + // >> + >>//----------------------------------------------------------------------- >>--- >> + >> + //---------------------------------- >> + // length >> + //---------------------------------- >> + >> + [Bindable("collectionChange")] >> + >> + /** >> + * Get the number of items in the list. An ArrayList should >>always >> + * know its length so it shouldn't return -1, though a subclass >>may >> + * override that behavior. >> + * >> + * @return int representing the length of the source. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function get length():int >> + { >> + if (source) >> + return source.length; >> + else >> + return 0; >> + } >> + >> + //---------------------------------- >> + // source >> + //---------------------------------- >> + >> + /** >> + * @private >> + * Storage for the source Array. >> + */ >> + private var _source:Array; >> + >> + /** >> + * The source array for this ArrayList. >> + * Any changes done through the IList interface will be reflected >>in the >> + * source array. >> + * If no source array was supplied the ArrayList will create one >>internally. >> + * Changes made directly to the underlying Array (e.g., calling >> + * <code>theList.source.pop()</code> will not cause >><code>CollectionEvents</code> >> + * to be dispatched. >> + * >> + * @return An Array that represents the underlying source. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function get source():Array >> + { >> + return _source; >> + } >> + >> + public function set source(s:Array):void >> + { >> + var i:int; >> + var len:int; >> + if (_source && _source.length) >> + { >> + len = _source.length; >> + for (i = 0; i < len; i++) >> + { >> + stopTrackUpdates(_source[i]); >> + } >> + } >> + _source = s ? s : []; >> + len = _source.length; >> + for (i = 0; i < len; i++) >> + { >> + startTrackUpdates(_source[i]); >> + } >> + >> + if (_dispatchEvents == 0) >> + { >> + var event:CollectionEvent = >> + new CollectionEvent(CollectionEvent.COLLECTION_CHANGE); >> + event.kind = CollectionEventKind.RESET; >> + dispatchEvent(event); >> + } >> + } >> + >> + //---------------------------------- >> + // uid -- mx.core.IPropertyChangeNotifier >> + //---------------------------------- >> + >> + /** >> + * @private >> + * Storage for the UID String. >> + */ >> + private var _uid:String; >> + >> + /** >> + * Provides access to the unique id for this list. >> + * >> + * @return String representing the internal uid. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function get uid():String >> + { >> + if (!_uid) { >> + _uid = UIDUtil.createUID(); >> + } >> + return _uid; >> + } >> + >> + public function set uid(value:String):void >> + { >> + _uid = value; >> + } >> + >> + >>//----------------------------------------------------------------------- >>--- >> + // >> + // Methods >> + // >> + >>//----------------------------------------------------------------------- >>--- >> + >> + /** >> + * Get the item at the specified index. >> + * >> + * @param index the index in the list from which to retrieve the >>item >> + * @param prefetch int indicating both the direction and amount >>of items >> + * to fetch during the request should the item not be >>local. >> + * @return the item at that index, null if there is none >> + * @throws ItemPendingError if the data for that index needs to be >> + * loaded from a remote location >> + * @throws RangeError if the index < 0 or index >= length >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function getItemAt(index:int, prefetch:int = 0):Object >> + { >> + if (index < 0 || index >= length) >> + { >> + var message:String = resourceManager.getString( >> + "collections", "outOfBounds", [ index ]); >> + throw new RangeError(message); >> + } >> + >> + return source[index]; >> + } >> + >> + /** >> + * Place the item at the specified index. >> + * If an item was already at that index the new item will replace >>it and it >> + * will be returned. >> + * >> + * @param item the new value for the index >> + * @param index the index at which to place the item >> + * @return the item that was replaced, null if none >> + * @throws RangeError if index is less than 0 or greater than or >>equal to length >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function setItemAt(item:Object, index:int):Object >> + { >> + if (index < 0 || index >= length) >> + { >> + var message:String = resourceManager.getString( >> + "collections", "outOfBounds", [ index ]); >> + throw new RangeError(message); >> + } >> + >> + var oldItem:Object = source[index]; >> + source[index] = item; >> + stopTrackUpdates(oldItem); >> + startTrackUpdates(item); >> + >> + //dispatch the appropriate events >> + if (_dispatchEvents == 0) >> + { >> + var hasCollectionListener:Boolean = >> + hasEventListener(CollectionEvent.COLLECTION_CHANGE); >> + var hasPropertyListener:Boolean = >> + hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE); >> + var updateInfo:PropertyChangeEvent; >> + >> + if (hasCollectionListener || hasPropertyListener) >> + { >> + updateInfo = new >>PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE); >> + updateInfo.kind = PropertyChangeEventKind.UPDATE; >> + updateInfo.oldValue = oldItem; >> + updateInfo.newValue = item; >> + updateInfo.property = index; >> + } >> + >> + if (hasCollectionListener) >> + { >> + var event:CollectionEvent = >> + new >>CollectionEvent(CollectionEvent.COLLECTION_CHANGE); >> + event.kind = CollectionEventKind.REPLACE; >> + event.location = index; >> + event.items.push(updateInfo); >> + dispatchEvent(event); >> + } >> + >> + if (hasPropertyListener) >> + { >> + dispatchEvent(updateInfo); >> + } >> + } >> + return oldItem; >> + } >> + >> + /** >> + * Add the specified item to the end of the list. >> + * Equivalent to addItemAt(item, length); >> + * >> + * @param item the item to add >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function addItem(item:Object):void >> + { >> + addItemAt(item, length); >> + } >> + >> + /** >> + * Add the item at the specified index. >> + * Any item that was after this index is moved out by one. >> + * >> + * @param item the item to place at the index >> + * @param index the index at which to place the item >> + * @throws RangeError if index is less than 0 or greater than the >>length >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function addItemAt(item:Object, index:int):void >> + { >> + const spliceUpperBound:int = length; >> + >> + if (index < spliceUpperBound && index > 0) >> + { >> + source.splice(index, 0, item); >> + } >> + else if (index == spliceUpperBound) >> + { >> + source.push(item); >> + } >> + else if (index == 0) >> + { >> + source.unshift(item); >> + } >> + else >> + { >> + var message:String = resourceManager.getString( >> + "collections", "outOfBounds", [ index ]); >> + throw new RangeError(message); >> + } >> + >> + startTrackUpdates(item); >> + internalDispatchEvent(CollectionEventKind.ADD, item, index); >> + } >> + >> + /** >> + * @copy mx.collections.ListCollectionView#addAll() >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function addAll(addList:IList):void >> + { >> + addAllAt(addList, length); >> + } >> + >> + /** >> + * @copy mx.collections.ListCollectionView#addAllAt() >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function addAllAt(addList:IList, index:int):void >> + { >> + var length:int = addList.length; >> + for (var i:int = 0; i < length; i++) >> + { >> + this.addItemAt(addList.getItemAt(i), i+index); >> + } >> + } >> + >> + /** >> + * Return the index of the item if it is in the list such that >> + * getItemAt(index) == item. >> + * Note that in this implementation the search is linear and is >>therefore >> + * O(n). >> + * >> + * @param item the item to find >> + * @return the index of the item, -1 if the item is not in the >>list. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function getItemIndex(item:Object):int >> + { >> + return ArrayUtil.getItemIndex(item, source); >> + } >> + >> + /** >> + * Removes the specified item from this list, should it exist. >> + * >> + * @param item Object reference to the item that should be >>removed. >> + * @return Boolean indicating if the item was removed. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function removeItem(item:Object):Boolean >> + { >> + var index:int = getItemIndex(item); >> + var result:Boolean = index >= 0; >> + if (result) >> + removeItemAt(index); >> + >> + return result; >> + } >> + >> + /** >> + * Remove the item at the specified index and return it. >> + * Any items that were after this index are now one index earlier. >> + * >> + * @param index The index from which to remove the item. >> + * @return The item that was removed. >> + * @throws RangeError if index < 0 or index >= length. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function removeItemAt(index:int):Object >> + { >> + const spliceUpperBound:int = length - 1; >> + var removed:Object; >> + >> + if (index > 0 && index < spliceUpperBound) >> + { >> + removed = source.splice(index, 1)[0]; >> + } >> + else if (index == spliceUpperBound) >> + { >> + removed = source.pop(); >> + } >> + else if (index == 0) >> + { >> + removed = source.shift(); >> + } >> + else >> + { >> + var message:String = resourceManager.getString( >> + "collections", "outOfBounds", [ index ]); >> + throw new RangeError(message); >> + } >> + >> + removed = source.splice(index, 1)[0]; >> + stopTrackUpdates(removed); >> + internalDispatchEvent(CollectionEventKind.REMOVE, removed, >>index); >> + return removed; >> + } >> + >> + /** >> + * Remove all items from the list. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function removeAll():void >> + { >> + if (length > 0) >> + { >> + var len:int = length; >> + for (var i:int = 0; i < len; i++) >> + { >> + stopTrackUpdates(source[i]); >> + } >> + >> + source.splice(0, length); >> + internalDispatchEvent(CollectionEventKind.RESET); >> + } >> + } >> + >> + /** >> + * Notify the view that an item has been updated. >> + * This is useful if the contents of the view do not implement >> + * <code>IEventDispatcher</code>. >> + * If a property is specified the view may be able to optimize its >> + * notification mechanism. >> + * Otherwise it may choose to simply refresh the whole view. >> + * >> + * @param item The item within the view that was updated. >> + * >> + * @param property A String, QName, or int >> + * specifying the property that was updated. >> + * >> + * @param oldValue The old value of that property. >> + * (If property was null, this can be the old value of the item.) >> + * >> + * @param newValue The new value of that property. >> + * (If property was null, there's no need to specify this >> + * as the item is assumed to be the new value.) >> + * >> + * @see mx.events.CollectionEvent >> + * @see mx.core.IPropertyChangeNotifier >> + * @see mx.events.PropertyChangeEvent >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function itemUpdated(item:Object, property:Object = null, >> + oldValue:Object = null, >> + newValue:Object = null):void >> + { >> + var event:PropertyChangeEvent = >> + new >>PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE); >> + >> + event.kind = PropertyChangeEventKind.UPDATE; >> + event.source = item; >> + event.property = property; >> + event.oldValue = oldValue; >> + event.newValue = newValue; >> + >> + //This handler was intended to handle events from child >>objects, not to be called directly >> + //itemUpdateHandler(event); >> + >> + internalDispatchEvent(CollectionEventKind.UPDATE, >>event); >> + >> + // need to dispatch object event now >> + if (_dispatchEvents == 0 && >>hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE)) >> + { >> + dispatchPropertyChangeEventClone( event, item ); >> + } >> + } >> + >> + /** >> + * Return an Array that is populated in the same order as the >>IList >> + * implementation. >> + * >> + * @return An Array populated in the same order as the IList >> + * implementation. >> + * >> + * @throws ItemPendingError if the data is not yet completely >>loaded >> + * from a remote location >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + public function toArray():Array >> + { >> + return source.concat(); >> + } >> + >> + /** >> + * Ensures that only the source property is seralized. >> + * @private >> + */ >> + public function readExternal(input:IDataInput):void >> + { >> + source = input.readObject(); >> + } >> + >> + /** >> + * Ensures that only the source property is serialized. >> + * @private >> + */ >> + public function writeExternal(output:IDataOutput):void >> + { >> + output.writeObject(_source); >> + } >> + >> + /** >> + * Pretty prints the contents of this ArrayList to a string and >>returns it. >> + * >> + * @return A String containing the contents of the ArrayList. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + override public function toString():String >> + { >> + if (source) >> + return source.toString(); >> + else >> + return getQualifiedClassName(this); >> + } >> + >> + >>//----------------------------------------------------------------------- >>--- >> + // >> + // Internal Methods >> + // >> + >>//----------------------------------------------------------------------- >>--- >> + >> + /** >> + * Dispatches a PropertyChangeEvent clone either from a child >>object whose event needs to be redispatched >> + * or when a PropertyChangeEvent is faked inside of this class >>for the purposes of informing the view >> + * of an update to underlying data. >> + * >> + * @param event The PropertyChangeEvent to be cloned and >>dispatched >> + * @param item The item within the view that was updated. >> + * >> + * @see mx.core.IPropertyChangeNotifier >> + * @see mx.events.PropertyChangeEvent >> + */ >> + >> + private function dispatchPropertyChangeEventClone( >>event:PropertyChangeEvent, item:Object ):void { >> + var objEvent:PropertyChangeEvent = >>PropertyChangeEvent(event.clone()); >> + >> + var index:int = getItemIndex( item ); >> + objEvent.property = index.toString() + "." + >>event.property; >> + dispatchEvent(objEvent); >> + } >> + >> + /** >> + * Enables event dispatch for this list. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + private function enableEvents():void >> + { >> + _dispatchEvents++; >> + if (_dispatchEvents > 0) >> + _dispatchEvents = 0; >> + } >> + >> + /** >> + * Disables event dispatch for this list. >> + * To re-enable events call enableEvents(), enableEvents() must >>be called >> + * a matching number of times as disableEvents(). >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + private function disableEvents():void >> + { >> + _dispatchEvents--; >> + } >> + >> + /** >> + * Dispatches a collection event with the specified information. >> + * >> + * @param kind String indicates what the kind property of the >>event should be >> + * @param item Object reference to the item that was added or >>removed >> + * @param location int indicating where in the source the item >>was added. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + private function internalDispatchEvent(kind:String, item:Object = >>null, location:int = -1):void >> + { >> + if (_dispatchEvents == 0) >> + { >> + if (hasEventListener(CollectionEvent.COLLECTION_CHANGE)) >> + { >> + var event:CollectionEvent = >> + new >>CollectionEvent(CollectionEvent.COLLECTION_CHANGE); >> + event.kind = kind; >> + event.items.push(item); >> + event.location = location; >> + dispatchEvent(event); >> + } >> + >> + // now dispatch a complementary PropertyChangeEvent >> + if (hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE) >>&& >> + (kind == CollectionEventKind.ADD || kind == >>CollectionEventKind.REMOVE)) >> + { >> + var objEvent:PropertyChangeEvent = >> + new >>PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE); >> + objEvent.property = location; >> + if (kind == CollectionEventKind.ADD) >> + objEvent.newValue = item; >> + else >> + objEvent.oldValue = item; >> + dispatchEvent(objEvent); >> + } >> + } >> + } >> + >> + /** >> + * Called when any of the contained items in the list dispatch an >> + * ObjectChange event. >> + * Wraps it in a <code>CollectionEventKind.UPDATE</code> object. >> + * >> + * @param event The event object for the ObjectChange event. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + protected function >>itemUpdateHandler(event:PropertyChangeEvent):void >> + { >> + internalDispatchEvent(CollectionEventKind.UPDATE, event); >> + >> + // need to dispatch object event now >> + if (_dispatchEvents == 0 && >>hasEventListener(PropertyChangeEvent.PROPERTY_CHANGE)) >> + { >> + dispatchPropertyChangeEventClone( event, >>event.target ); >> + } >> + } >> + >> + /** >> + * If the item is an IEventDispatcher, watch it for updates. >> + * This method is called by the <code>addItemAt()</code> method, >> + * and when the source is initially assigned. >> + * >> + * @param item The item passed to the <code>addItemAt()</code> >>method. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + protected function startTrackUpdates(item:Object):void >> + { >> + if (item && (item is IEventDispatcher)) >> + { >> + IEventDispatcher(item).addEventListener( >> + >>PropertyChangeEvent.PROPERTY_CHANGE, >> + itemUpdateHandler, false, 0, >>true); >> + } >> + } >> + >> + /** >> + * If the item is an IEventDispatcher, stop watching it for >>updates. >> + * This method is called by the <code>removeItemAt()</code> and >> + * <code>removeAll()</code> methods, and before a new >> + * source is assigned. >> + * >> + * @param item The item passed to the <code>removeItemAt()</code> >>method. >> + * >> + * @langversion 3.0 >> + * @playerversion Flash 9 >> + * @playerversion AIR 1.1 >> + * @productversion Flex 3 >> + */ >> + protected function stopTrackUpdates(item:Object):void >> + { >> + if (item && item is IEventDispatcher) >> + { >> + IEventDispatcher(item).removeEventListener( >> + >>PropertyChangeEvent.PROPERTY_CHANGE, >> + itemUpdateHandler); >> + } >> + } >> + >> +} >> + >> +} >> > > > >-- >Ix Multimedia Software > >Jan Luykenstraat 27 >3521 VB Utrecht > >T. 06-51952295 >I. www.ixsoftware.nl
