bigbluebutton-Github/bigbluebutton-client/src/DynamicInfoModule.mxml

<?xml version="1.0" encoding="utf-8"?>

<!--
  BigBlueButton - http://www.bigbluebutton.org
  
  Copyright (c) 2008-2009 by respective authors (see below). All rights reserved.
  
  BigBlueButton is free software; you can redistribute it and/or modify it under the 
  terms of the GNU Lesser General Public License as published by the Free Software 
  Foundation; either version 3 of the License, or (at your option) any later 
  version. 
  
  BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY 
  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
  PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public License along 
  with BigBlueButton; if not, If not, see <http://www.gnu.org/licenses/>.
 
  $Id: $
--> 

<mx:Module xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="onCreationComplete()" implements="org.bigbluebutton.common.IBigBlueButtonModule" xmlns:maps="org.bigbluebutton.modules.dynamicinfo.maps.*" xmlns:views="org.bigbluebutton.modules.dynamicinfo.views.*">
	<mx:Script>
		<![CDATA[
			import org.bigbluebutton.common.LogUtil;
			import com.asfusion.mate.events.Dispatcher;
			import org.bigbluebutton.main.events.CloseWindowEvent;
			import org.bigbluebutton.main.events.OpenWindowEvent;
			import org.bigbluebutton.main.events.ToolbarButtonEvent;
			import mx.controls.Button;
			import mx.controls.ComboBox;
			import mx.controls.Label;
			import mx.core.UIComponent;
			
			private var _moduleId:String = "DynamicInfoModule";
			private var _moduleName:String = "Dynamic Info Module";			
			private var _attributes:Object;
			
			private var globalDispatcher:Dispatcher;
			
			private function onCreationComplete():void {
				LogUtil.debug("DynamicInfoModule Initialized");	
				globalDispatcher = new Dispatcher();
			}
				
			public function get moduleId():String {
				return _moduleId;
			}
			
			public function get moduleName():String {
				return _moduleName;
			}
		
			public function get uri():String {
				if (_attributes.mode == "PLAYBACK") {										
					return _attributes.uri + "/" + _attributes.playbackRoom;
				} 
				
				return _attributes.uri + "/" + _attributes.room;
			}
			
			public function get username():String {
				return _attributes.username;
			}
						
			public function get userid():Number {
				return _attributes.userid as Number;
			}
			
			public function get role():String {
				return _attributes.userrole as String;
			}
			
			public function start(attributes:Object):void {	
				_attributes = attributes;

				// debugging code:
				/*
				LogUtil.debug('all attributes:');
				for (var p:String in _attributes) {
					LogUtil.debug(p + ' = ' + _attributes[p]);
				}
				*/
				// TODO: HACK!  should not be using voicebridge here.  we just don't have the meeting ID yet, and the voice bridge is currently the same value
				var url:String = _attributes.infoURL.replace("{role}", _attributes.userrole).replace("{userID}", _attributes.externUserID).replace("{meetingID}", _attributes.meetingID);
				loadXml(url);
			}

			public function stop():void {
				LogUtil.debug("stop DynamicInfoModule");
			}

			/* END OF IBigBlueButtonModule interface methods (that we're not really using here) */

			public function loadXml(url:String):void {
				LogUtil.debug("DynamicInfoModule:load(...) " + url);

				var request:URLRequest = new URLRequest();
				var vars:URLVariables = new URLVariables();
		
				var urlLoader:URLLoader;

				request = new URLRequest(url);
				request.method = URLRequestMethod.GET;		

				urlLoader = new URLLoader();
				urlLoader.addEventListener(Event.COMPLETE, handleComplete);	
				urlLoader.load(request);	
			}

			private function handleComplete(e:Event):void{
				var xml:XML = new XML(e.target.data)
				LogUtil.debug("load URL complete: " + xml);

				var returncode:String = xml.returncode;
				LogUtil.debug("return code: " + returncode);
				if (returncode != 'SUCCESS') {
					LogUtil.debug("failed to load any dynamic info to add to the UI");
					return;
				}

				var components:XMLList = xml.topbar.components.children();
				LogUtil.debug("create components: " + components.length());
				createComponents(components);
			}

			private function createComponents(components:XMLList):void {
				for each(var compXML:XML in components) {
					var type:String = compXML.name();
					LogUtil.debug("create a component of type: " + type);
					var cmp:UIComponent = null;
					if (type == 'button') {
						cmp = createButton(compXML);
					} else if (type == 'combobox') {
						cmp = createComboBox(compXML);
					} else if (type == 'label') {
						cmp = createLabel(compXML);
					}
					if (cmp != null) {
						cmp.height = 22;
						var evt:ToolbarButtonEvent = new ToolbarButtonEvent(ToolbarButtonEvent.ADD);
						evt.button = cmp;
						globalDispatcher.dispatchEvent(evt);
					}
				}
			}

			private function createButton(compXML:XML):UIComponent {
				var txt:String = compXML.@label;
				var btn:Button = new Button();
				btn.id = txt;
				btn.label = txt;
				btn.visible = true;
				btn.addEventListener(MouseEvent.CLICK, createUrlNavigatingClickHandler(compXML.@url));
				return btn;
			}

			private function createComboBox(compXML:XML):UIComponent {
				var strings:Array = new Array();
				var values:XMLList = compXML.array.value;
				for each(var value:XML in values) {
					strings.push(value);
				}
				var cmb:ComboBox = new ComboBox();
				cmb.dataProvider = strings;
				return cmb;
			}

			private function createLabel(compXML:XML):UIComponent {
				var label:Label = new Label();
				if (compXML.child("htmlLabel").length() == 1) {
					label.htmlText = compXML.htmlLabel;
				} else if (compXML.@label != null) {
					label.text = compXML.@label;
				}
				return label;
			}

			private function createUrlNavigatingClickHandler(url:String):Function {
				return function():void { 
					LogUtil.debug("navigate to url: " + url); 
					navigateToURL(new URLRequest(url), '_blank');
				};
			}

		]]>
	</mx:Script>
</mx:Module>