| <?xml version="1.0" encoding="utf-8"?> |
| <!-- |
| |
| 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. |
| |
| --> |
| <!-- Christophe Coenraets, http://coenraets.org --> |
| <charts:PortfolioChart xmlns:fx="http://ns.adobe.com/mxml/2009" |
| xmlns:s="library://ns.adobe.com/flex/spark" xmlns:charts="charts.*" xmlns:ns="http://ns.adobe.com/rtc"> |
| |
| <fx:Script> |
| <![CDATA[ |
| import com.adobe.rtc.events.CollectionNodeEvent; |
| import com.adobe.rtc.messaging.MessageItem; |
| import com.adobe.rtc.session.ConnectSession; |
| |
| import mx.binding.utils.ChangeWatcher; |
| import mx.events.PropertyChangeEvent; |
| import mx.utils.UIDUtil; |
| |
| protected var _uid:String = UIDUtil.createUID(); |
| |
| protected var changeWatcher:ChangeWatcher; |
| |
| public function set session(session:ConnectSession):void |
| { |
| broker.connectSession = session; |
| broker.subscribe(); |
| changeWatcher = ChangeWatcher.watch(scroller.viewport, "horizontalScrollPosition", scrollHandler); |
| } |
| |
| override protected function zoom(scaleX:Number):void |
| { |
| super.zoom(scaleX); |
| var message:MessageItem = new MessageItem("gesture"); |
| message.body = {uid: _uid, action: "zoom", scaleX: scaleX}; |
| broker.publishItem(message); |
| } |
| |
| protected function scrollHandler(e:Event):void |
| { |
| var message:MessageItem = new MessageItem("gesture"); |
| message.body = {uid: _uid, action: "scroll", horizontalScrollPosition: scroller.viewport.horizontalScrollPosition}; |
| broker.publishItem(message); |
| } |
| |
| protected function onItemReceive(event:CollectionNodeEvent):void |
| { |
| if (event.item.body.uid == _uid) |
| { |
| // Ignoring own message |
| return; |
| } |
| var messageBody:Object = event.item.body; |
| switch (messageBody.action) |
| { |
| case "zoom": |
| super.zoom(messageBody.scaleX); |
| break; |
| case "scroll": |
| changeWatcher.unwatch(); |
| scroller.viewport.horizontalScrollPosition = messageBody.horizontalScrollPosition; |
| changeWatcher = ChangeWatcher.watch(scroller.viewport, "horizontalScrollPosition", scrollHandler); |
| break; |
| } |
| } |
| |
| |
| ]]> |
| </fx:Script> |
| |
| <fx:Declarations> |
| <ns:CollectionNode id="broker" sharedID="gesture" itemReceive="onItemReceive(event)"/> |
| </fx:Declarations> |
| |
| </charts:PortfolioChart> |