/FlexPaper/src/com/devaldi/controls/flexpaper/Viewer.as

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/* 

Copyright 2009 Erik Engstr??m



This file is part of FlexPaper.



FlexPaper is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, version 3 of the License.



FlexPaper 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 General Public License for more details.



You should have received a copy of the GNU General Public License

along with FlexPaper.  If not, see <http://www.gnu.org/licenses/>.	

*/



package com.devaldi.controls.flexpaper

{

	import caurina.transitions.Tweener;

	

	import com.devaldi.controls.FlowBox;

	import com.devaldi.controls.FlowVBox;

	import com.devaldi.controls.MatrixTransformer;

	import com.devaldi.controls.Spinner;

	import com.devaldi.controls.ZoomCanvas;

	import com.devaldi.controls.flexpaper.resources.MenuIcons;

	import com.devaldi.controls.flexpaper.utils.StreamUtil;

	import com.devaldi.controls.flexpaper.utils.TextMapUtil;

	import com.devaldi.events.CurrentPageChangedEvent;

	import com.devaldi.events.CursorModeChangedEvent;

	import com.devaldi.events.DocumentLoadedEvent;

	import com.devaldi.events.DocumentPrintedEvent;

	import com.devaldi.events.ErrorLoadingPageEvent;

	import com.devaldi.events.ExternalLinkClickedEvent;

	import com.devaldi.events.FitModeChangedEvent;

	import com.devaldi.events.PageLoadedEvent;

	import com.devaldi.events.PageLoadingEvent;

	import com.devaldi.events.ScaleChangedEvent;

	import com.devaldi.events.SelectionCreatedEvent;

	import com.devaldi.events.SwfLoadedEvent;

	import com.devaldi.events.ViewModeChangedEvent;

	import com.devaldi.streaming.DupImage;

	import com.devaldi.streaming.DupLoader;

	import com.devaldi.streaming.IDocumentLoader;

	import com.devaldi.streaming.IGenericDocument;

	import com.devaldi.streaming.ITextSelectableDisplayObject;

	import com.devaldi.streaming.SwfDocument;

	

	import flash.display.AVM1Movie;

	import flash.display.Bitmap;

	import flash.display.BitmapData;

	import flash.display.DisplayObject;

	import flash.display.InteractiveObject;

	import flash.display.Loader;

	import flash.display.MovieClip;

	import flash.display.Shape;

	import flash.display.SimpleButton;

	import flash.display.Sprite;

	import flash.events.Event;

	import flash.events.IOErrorEvent;

	import flash.events.KeyboardEvent;

	import flash.events.MouseEvent;

	import flash.events.ProgressEvent;

	import flash.external.ExternalInterface;

	import flash.filters.DropShadowFilter;

	import flash.geom.Matrix;

	import flash.geom.Point;

	import flash.net.URLRequest;

	import flash.printing.PrintJob;

	import flash.printing.PrintJobOptions;

	import flash.system.ApplicationDomain;

	import flash.system.LoaderContext;

	import flash.system.System;

	import flash.text.TextSnapshot;

	import flash.ui.Keyboard;

	import flash.utils.ByteArray;

	import flash.utils.Timer;

	import flash.utils.escapeMultiByte;

	import flash.utils.setTimeout;

	

	import mx.containers.Canvas;

	import mx.controls.Image;

	import mx.core.Container;

	import mx.core.UIComponent;

	import mx.events.FlexEvent;

	import mx.managers.CursorManager;

	import mx.managers.PopUpManager;

	import mx.resources.ResourceManager;

	import mx.rpc.events.FaultEvent;

	import mx.rpc.events.ResultEvent;

	import mx.rpc.http.HTTPService;
	

	[Event(name="onDocumentLoaded", type="com.devaldi.events.DocumentLoadedEvent")]

	[Event(name="onPageLoaded", type="com.devaldi.events.PageLoadedEvent")]

	[Event(name="onPageLoading", type="com.devaldi.events.PageLoadingEvent")]

	[Event(name="onDocumentLoading", type="flash.events.Event")]

	[Event(name="onNoMoreSearchResults", type="flash.events.Event")]

	[Event(name="onLoadingProgress", type="flash.events.ProgressEvent")]

	[Event(name="onScaleChanged", type="com.devaldi.events.ScaleChangedEvent")]

	[Event(name="onExternalLinkClicked", type="com.devaldi.events.ExternalLinkClickedEvent")]

	[Event(name="onCurrPageChanged", type="com.devaldi.events.CurrentPageChangedEvent")]

	[Event(name="onViewModeChanged", type="com.devaldi.events.ViewModeChangedEvent")]

	[Event(name="onFitModeChanged", type="com.devaldi.events.FitModeChangedEvent")]

	[Event(name="onCursorModeChanged", type="com.devaldi.events.CursorModeChangedEvent")]

	[Event(name="onDocumentLoadedError", type="flash.events.ErrorEvent")]

	[Event(name="onLogoClicked", type="flash.events.Event")]

	[Event(name="onSelectionCreated", type="com.devaldi.events.SelectionCreatedEvent")]

	[Event(name="onDocumentPrinted", type="com.devaldi.events.DocumentPrintedEvent")]

	[Event(name="onErrorLoadingPage", type="com.devaldi.events.ErrorLoadingPageEvent")]

	

	public class Viewer extends Canvas

	{

		private var _swfFile:String = "";

		private var _swfFileChanged:Boolean = false;

		private var _initialized:Boolean = false;

		private var _loaderptr:Loader;

		private var _libMC:IGenericDocument;

		private var _displayContainer:Container;

		private var _paperContainer:ZoomCanvas;

		private var _swfContainer:Canvas; 

		private var _scale:Number = 1;

		private var _pscale:Number = 1;

		private var _swfLoaded:Boolean  = false;

		private var _pageList:Array;

		private var _viewMode:String = Viewer.InitViewMode;

		private var _fitMode:String = FitModeEnum.FITNONE ; 

		public static var InitViewMode:String = ViewModeEnum.PORTRAIT;

		private var _scrollToPage:Number = 0;

		private var _numPages:Number = 0;

		private var _currPage:Number = 0;

		private var _tweencount:Number = 0;

		private var _bbusyloading:Boolean = true;

		private var _zoomtransition:String = "easeOut";

		private var _zoomtime:Number = 0.6; 

		private var _fitPageOnLoad:Boolean = false;

		private var _fitWidthOnLoad:Boolean = false;

		private var _dupImageClicked:Boolean = false;

		private var _docLoader:IDocumentLoader;

		private var _progressiveLoading:Boolean = false;

		private var _encodeURI:Boolean = true;

		private var _repaintTimer:Timer;

		private var _loadTimer:Timer;

		private var _frameLoadCount:int = 0;

		private var _adjGotoPage:int = 0;

		private var _zoomInterval:Number = 0;

		private var _inputBytes:ByteArray;

		private var _textSelectEnabled:Boolean = false;

		private var _cursorsEnabled:Boolean = true;

		private var _grabCursorID:Number = 0;

		private var _grabbingCursorID:Number = 0;

		private var _pluginList:Array;

		public static var ViewModeExtList:Array;

		private var _currentExtViewMode:IFlexPaperViewModePlugin;

		private var _minZoomSize:Number = 0.3;

		private var _maxZoomSize:Number = 5;

		private var _searchMatchAll:Boolean = false;

		private var _searchServiceUrl:String = "";

		private var _performSearchOnPageLoad:Boolean = false;

		private var _autoAdjustPrintSize:Boolean = true;

		private var _pendingSearchPage:int = -1;

		private var _printPaperAsBitmap:Boolean = false;

		private var _skinImg:Bitmap = new MenuIcons.SMALL_TRANSPARENT();

		private var _skinImgc:Bitmap = new MenuIcons.SMALL_TRANSPARENT_COLOR();

		private var _skinImgDo:Image;

		

		public function Viewer(){

			super();

		}

		

		public function get BusyLoading():Boolean {

			return _bbusyloading;

		}	

		

		public function set BusyLoading(b:Boolean):void {

			_bbusyloading = b;

		}	

		

		public function get libMC():IGenericDocument {

			return _libMC;

		}

		

		public function get IsInitialized():Boolean{

			return _initialized;

		}

		

		public function get SwfLoaded():Boolean{

			return _swfLoaded;

		}

		

		public function get DisplayContainer():Container{

			return _displayContainer;

		}

		

		public function set DisplayContainer(c:Container):void{

			_displayContainer = c;

		}

		

		public function get PaperContainer():ZoomCanvas{

			return _paperContainer;

		}

		

		public function get PageList():Array {

			return _pageList;

		}

		

		public function get DocLoader():IDocumentLoader{

			return _docLoader;

		}

		

		public function set DocLoader(d:IDocumentLoader):void{

			_docLoader = d;

		}

		

		[Bindable]

		public function get ViewMode():String {

			return _viewMode;

		}	

		

		[Bindable]

		public function get FitMode():String {

			return _fitMode;

		}	

		

		public function set ViewMode(s:String):void {

			if(s!=_viewMode){

				for each (var vme:IFlexPaperViewModePlugin in ViewModeExtList){

					if(s == vme.Name){

						_currentExtViewMode = vme;

					}

				}

				

				if(s == ViewModeEnum.TILE&&ViewMode==ViewModeEnum.PORTRAIT){_pscale = _scale; _scale = 0.23;_paperContainer.verticalScrollPosition = 0;_fitMode = FitModeEnum.FITNONE;}else{_scale = _pscale;}

				_paperContainer.x = (s==ViewModeEnum.PORTRAIT||s==ViewModeEnum.TILE)?2.5:0;

				

				_viewMode = s;

				if(_initialized && _swfLoaded){createDisplayContainer();if(this._progressiveLoading){this.addInLoadedPages(true);}else{reCreateAllPages();}_displayContainer.visible = true;}

				FitMode = FitModeEnum.FITNONE;

			

				if(UsingExtViewMode){

					CurrExtViewMode.setViewMode(s);

					_viewMode = s;

				}					

				

				dispatchEvent(new ViewModeChangedEvent(ViewModeChangedEvent.VIEWMODE_CHANGED,_viewMode));

				dispatchEvent(new ScaleChangedEvent(ScaleChangedEvent.SCALE_CHANGED,_scale));

				dispatchEvent(new FitModeChangedEvent(FitModeChangedEvent.FITMODE_CHANGED,_fitMode));

			}

		}

		

		public function set FitMode(s:String):void {

			if(_viewMode == ViewModeEnum.TILE){_fitMode = FitModeEnum.FITNONE;return}

			

			if(s!=_fitMode){

				_fitMode = s;

				

				switch(s){					

					case FitModeEnum.FITWIDTH:

						fitWidth();

						break;

					

					case FitModeEnum.FITHEIGHT:

						fitHeight();

						break;										

				}

				

				dispatchEvent(new FitModeChangedEvent(FitModeChangedEvent.FITMODE_CHANGED,_fitMode));

			}

		}

		

		public function set ProgressiveLoading(b1:Boolean):void {

			_progressiveLoading = b1;

		}

		

		[Bindable]

		public function get ProgressiveLoading():Boolean {

			return _progressiveLoading;

		}	

		

		public function set EncodeURI(b1:Boolean):void {

			_encodeURI = b1;

		}

		

		[Bindable]

		public function get EncodeURI():Boolean {

			return _encodeURI;

		}	

		

		public function set TextSelectEnabled(b1:Boolean):void {

			_textSelectEnabled = b1;

			

			if(_textSelectEnabled && CursorsEnabled)	

				dispatchEvent(new CursorModeChangedEvent(CursorModeChangedEvent.CURSORMODE_CHANGED,"TextSelectorCursor"));

			else

				dispatchEvent(new CursorModeChangedEvent(CursorModeChangedEvent.CURSORMODE_CHANGED,"ArrowCursor"));

		}

		

		[Bindable]

		public function get TextSelectEnabled():Boolean {

			return _textSelectEnabled;

		}	

		

		[Bindable]

		public function get CursorsEnabled():Boolean {

			return _cursorsEnabled;

		}	

		

		public function set CursorsEnabled(b:Boolean):void {

			_cursorsEnabled = b;

		}	

		

		public function setPaperFocus():void{

			_paperContainer.setFocus();

		}

		

		public function get ZoomTransition():String {

			return _zoomtransition;

		}	

		

		public function set ZoomTransition(s:String):void {

			_zoomtransition = s;

		}

		

		public function get ZoomTime():Number {

			return _zoomtime;

		}	

		

		public function set ZoomTime(n:Number):void {

			_zoomtime = n;

		}		

		

		public function get MinZoomSize():Number {

			return _minZoomSize;

		}	

		

		public function set MinZoomSize(n:Number):void {

			_minZoomSize = n;

		}

		

		public function get MaxZoomSize():Number {

			return _maxZoomSize;

		}	

		

		public function set MaxZoomSize(n:Number):void {

			_maxZoomSize = n;

		}		

		

		public function get PluginList():Array{

			return _pluginList;

		}

		

		public function set PluginList(p:Array):void{

			_pluginList = p;

		}

		

		public function get CurrExtViewMode():IFlexPaperViewModePlugin{

			if(_currentExtViewMode != null && _currentExtViewMode.Name == ViewMode)

				return _currentExtViewMode;

			else{

				for each (var vme:IFlexPaperViewModePlugin in ViewModeExtList){

					if(ViewMode == vme.Name){

						_currentExtViewMode = vme;

					}

				}

			}

			

			return _currentExtViewMode;

		}

		

		public function get UsingExtViewMode():Boolean{

			if(ViewMode == ViewModeEnum.PORTRAIT || ViewMode == ViewModeEnum.TILE)

				return false;

			else

				return (CurrExtViewMode!=null && ViewMode == CurrExtViewMode.Name);	

		}

		

		public function get ZoomInterval():Number {

			return _zoomInterval;

		}	

		

		public function set ZoomInterval(n:Number):void {

			_zoomInterval = n;

		}				

		

		[Bindable]

		public function get numPages():Number {

			return _numPages;

		}	

		

		private function set numPages(n:Number):void {

			_numPages = n;

		}

		

		[Bindable]

		public function get numPagesLoaded():Number {

			return (_libMC!=null)?_libMC.framesLoaded:0;

		}	

		

		private function set numPagesLoaded(n:Number):void {

			

		}

		

		[Bindable]

		public function get currPage():Number {

			return _currPage;

		}	

		

		private function set currPage(n:Number):void {

			_currPage = n;

		}		



		[Bindable]

		public function get SearchMatchAll():Boolean {

			if(SearchServiceUrl!=null && SearchServiceUrl.length>0)

				return false;

			else

				return _searchMatchAll;

		}	

		

		public function set SearchMatchAll(b1:Boolean):void {

			_searchMatchAll = b1;

		}

		

		public function set AutoAdjustPrintSize(b1:Boolean):void {

			_autoAdjustPrintSize = b1;

		}



		[Bindable]

		public function get AutoAdjustPrintSize():Boolean {

			return _autoAdjustPrintSize;

		}

		

		public function set PrintPaperAsBitmap(b1:Boolean):void{

			_printPaperAsBitmap = b1;

		}

		

		[Bindable]

		public function get PrintPaperAsBitmap():Boolean{

			return _printPaperAsBitmap;

		}

		

		[Bindable]

		public function get SearchServiceUrl():String {

			return _searchServiceUrl;

		}	

		

		public function set SearchServiceUrl(s1:String):void {

			_searchServiceUrl = unescape(s1);

		}

		

		public function get FitWidthOnLoad():Boolean {

			return _fitWidthOnLoad;

		}	

		

		public function set FitWidthOnLoad(b1:Boolean):void {

			_fitWidthOnLoad = b1;

		}

		

		public function get FitPageOnLoad():Boolean {

			return _fitPageOnLoad;

		}	

		

		public function set FitPageOnLoad(b2:Boolean):void {

			_fitPageOnLoad = b2;

		}			

		

		public function gotoPage(p:Number, adjGotoPage:int=0):void{

			if(adjGotoPage!=0){_adjGotoPage=adjGotoPage;}

			

			if(p<1 || p-1 >_pageList.length)

				return;

			else{

				if(ViewMode == ViewModeEnum.PORTRAIT){

					_paperContainer.verticalScrollPosition = _pageList[p-1].y+3 + _adjGotoPage;

				}

				

				if(UsingExtViewMode)

					CurrExtViewMode.gotoPage(p,adjGotoPage);	

				

				// retry if y is not set

				if(!UsingExtViewMode && p>1 && _pageList[p-1].y ==0)

				{ 

					flash.utils.setTimeout(gotoPage,200,p);

				}

				else

					_adjGotoPage = 0;

				

				repaint();

			}

		}

		

		public function mvNext(extmode:Boolean=true):void{

			if(UsingExtViewMode && extmode)

				CurrExtViewMode.mvNext();

			else

				if(currPage<numPages){gotoPage(currPage+1);}

		}

		

		public function mvPrev(extmode:Boolean=true):void{

			if(UsingExtViewMode && extmode)

				CurrExtViewMode.mvPrev();

			else

			{

				if(currPage>1){gotoPage(currPage-1);}

			}

		}

		

		public function switchMode(mode:String=null):void{

			if(mode==null){ // no mode passed, just 

				if(ViewMode == ViewModeEnum.PORTRAIT){ViewMode = ViewModeEnum.TILE;}

				else if(ViewMode == ViewModeEnum.TILE){_scale = _pscale; ViewMode = ViewModeEnum.PORTRAIT;}

			}else{

				if(ViewMode == mode && ViewMode != ViewModeEnum.PORTRAIT){

					ViewMode = Viewer.InitViewMode;

				}

				else

					ViewMode = mode;				

			}

		}

		

		public function get PaperVisible():Boolean {

			return _paperContainer.visible;

		}

		

		public function set PaperVisible(b:Boolean):void {

			_paperContainer.visible = b;

		}

		

		public function get SwfFile():String {

			return _swfFile;

		}	

		

		public function getSwfFilePerPage(swfFile:String, page:int):String{

			var fileName:String = swfFile;

			var map:String = (fileName.substr(fileName.indexOf("[*,"),fileName.indexOf("]")-fileName.indexOf("[*,")+1));

			var padding:int = parseInt(map.substr(map.indexOf(",")+1,map.indexOf("]")-2));

			fileName = TextMapUtil.StringReplaceAll(fileName,map,padString(page.toString(),padding,"0"));



			return encodeURI(fileName);

		}

		

		public function loadFromBytes(bytes:ByteArray):void{

			clearPlugins();

			deleteDisplayContainer(); 

			deletePageList();

			deleteLoaderPtr();

			deleteLoaderList();

			deleteFLoader();

			deleteSelectionMarker();

			TextMapUtil.totalFragments = "";

			deleteLibMC();

			

			_swfFileChanged = true;

			_frameLoadCount = 0;

			

			ViewMode = Viewer.InitViewMode;

			

			try{

				new flash.net.LocalConnection().connect('devaldiGCdummy');

				new flash.net.LocalConnection().connect('devaldiGCdummy');

			} catch (e:*) {}

			

			try{flash.system.System.gc();} catch (e:*) {}

			

			if(_docLoader!=null && !_docLoader.hasEventListener(SwfLoadedEvent.SWFLOADED)){

				_docLoader.addEventListener("onDocumentLoadedError", onDocumentLoadedErrorHandler,false,0,true);

				_docLoader.addEventListener(SwfLoadedEvent.SWFLOADED, swfComplete,false,0,true);

			}

			

			if(_docLoader!=null){

				_docLoader.stream.removeEventListener(ProgressEvent.PROGRESS, onLoadProgress);

				_docLoader.stream.addEventListener(ProgressEvent.PROGRESS, onLoadProgress,false,0,true);

			}

		

			_docLoader.loadFromBytes(bytes);

			

			_paperContainer.verticalScrollPosition = 0;

			createDisplayContainer();

			

			// Changing the SWF file causes the component to invalidate.

			invalidateProperties();

			invalidateSize();

			invalidateDisplayList();	

		}

		

		public function set SwfFile(s:String):void {

			var pagesSplit:Boolean = false;

			

			if(EncodeURI)

				s = unescape(s);

			

			if(s.length!=0){

				

				if(s.indexOf("{")>=0 && s.indexOf("}")>0){

					numPages = parseInt(s.substr(s.lastIndexOf(",")+1,s.indexOf("}")-s.lastIndexOf(",")-1));

					s = TextMapUtil.StringReplaceAll(s,"{","");

					s = TextMapUtil.StringReplaceAll(s,","+numPages.toString()+"}","");

					pagesSplit = true;

				}

				

				clearPlugins();

				deleteDisplayContainer(); 

				deletePageList();

				deleteLoaderPtr();

				deleteLoaderList();

				deleteFLoader();

				deleteSelectionMarker();

				TextMapUtil.totalFragments = "";

				

				if(s!=_swfFile)

					deleteLibMC();

				

				_swfFileChanged = true;

				_frameLoadCount = 0;

				_currPage = 0;

				

				if(!pagesSplit){

					if(EncodeURI)

						_swfFile = encodeURI(s);

					else

						_swfFile = s;

				}

				else

					_swfFile = s;



				ViewMode = Viewer.InitViewMode;

				

				try{

					new flash.net.LocalConnection().connect('devaldiGCdummy');

					new flash.net.LocalConnection().connect('devaldiGCdummy');

				} catch (e:*) {}

				

				try{flash.system.System.gc();} catch (e:*) {}

								

				if(_docLoader!=null && !_docLoader.hasEventListener(SwfLoadedEvent.SWFLOADED)){

					_docLoader.IsSplit = pagesSplit;

					_docLoader.addEventListener("onDocumentLoadedError", onDocumentLoadedErrorHandler,false,0,true);

					_docLoader.addEventListener(SwfLoadedEvent.SWFLOADED, swfComplete,false,0,true);

				}

				

				if(_docLoader!=null){

					_docLoader.stream.removeEventListener(ProgressEvent.PROGRESS, onLoadProgress);

					_docLoader.stream.addEventListener(ProgressEvent.PROGRESS, onLoadProgress,false,0,true);

				}

				

				_paperContainer.verticalScrollPosition = 0;

				createDisplayContainer();

				

				// Changing the SWF file causes the component to invalidate.

				invalidateProperties();

				invalidateSize();

				invalidateDisplayList();	

				

				if(_swfFile.length>0 && pagesSplit){

					_loadTimer = new Timer(100);

					_loadTimer.addEventListener("timer",loadtimer);

					

					_docLoader.load(new URLRequest(getSwfFilePerPage(_swfFile,1)),StreamUtil.getExecutionContext()); //new URLRequest(decodeURI(_swfFile))

				}

				else if(_swfFile.length > 0 && !pagesSplit)

					_docLoader.load(new URLRequest(_swfFile),StreamUtil.getExecutionContext());

			}

		}

		

		[Bindable]

		public function get Scale():String {

			return _scale.toString();

		}		

		

		public function get CurrentlySelectedText():String {

			return _currentlySelectedText;

		}

		

		public function Zoom(factor:Number, fnOnUpdate:Function=null):void{

			if(factor<_minZoomSize || factor>_maxZoomSize || factor == _scale)

				return;

			

			if((!UsingExtViewMode && _viewMode != ViewModeEnum.PORTRAIT) || (UsingExtViewMode && !CurrExtViewMode.doZoom)){return;}

			

			var _target:DisplayObject;

			_paperContainer.CenteringEnabled = (_paperContainer.width>0);

			

			_tweencount = _displayContainer.numChildren;

			

			for(var i:int=0;i<_displayContainer.numChildren;i++){

				_target = _displayContainer.getChildAt(i);

				_target.filters = null;

				

				if(fnOnUpdate!=null)

					Tweener.addTween(_target, {scaleX: factor, scaleY: factor, time: _zoomtime, transition: _zoomtransition, onUpdate: fnOnUpdate, onComplete: tweenComplete});

				else

					Tweener.addTween(_target, {scaleX: factor, scaleY: factor, time: _zoomtime, transition: _zoomtransition, onComplete: tweenComplete});

			}

			

			FitMode = FitModeEnum.FITNONE;

			_scale = factor;

			

			dispatchEvent(new ScaleChangedEvent(ScaleChangedEvent.SCALE_CHANGED,_scale));

		}

		

		public function rotate():void{

			var rotatenum:int = getVisibleMidPage();

			if(rotatenum<_pageList.length-1&&_pageList.length>2){rotatenum = rotatenum - 1;}

			

			(_displayContainer.getChildAt(rotatenum) as DupImage).paperRotation = 90;

		}

		

		private function degreesToRadians(degrees:Number):Number {

			var radians:Number = degrees * (Math.PI / 180);

			return radians;

		}

		

		public function getFitWidthFactor():Number{

			_libMC.gotoAndStop(1);

			return (_paperContainer.width / _libMC.width) - 0.032; //- 0.03;

		}

		

		public function getFitHeightFactor():Number{

			_libMC.gotoAndStop(1);

			return  (_paperContainer.height / _libMC.height);

		}

		

		public function fitWidth():Boolean{

			if(_displayContainer.numChildren == 0){return false;}

			

			var _target:DisplayObject;

			_paperContainer.CenteringEnabled = (_paperContainer.width>0);

			var factor:Number = getFitWidthFactor();

			_scale = factor;

			_tweencount = _displayContainer.numChildren;

			

			for(var i:int=0;i<_displayContainer.numChildren;i++){

				_target = _displayContainer.getChildAt(i);

				_target.filters = null;

				Tweener.addTween(_target, {scaleX:factor, scaleY:factor,time: 0, transition: 'easenone', onComplete: tweenComplete});

			}

			

			FitMode = FitModeEnum.FITWIDTH;

			dispatchEvent(new ScaleChangedEvent(ScaleChangedEvent.SCALE_CHANGED,_scale));

			

			_paperContainer.horizontalScrollPosition = _paperContainer.maxHorizontalScrollPosition/2;

			_paperContainer.validateDisplayList();

			

			return factor > 0;

		}

		

		public function fitHeight():Boolean{

			if(_displayContainer.numChildren == 0){return false;}

			

			var _target:DisplayObject;

			_paperContainer.CenteringEnabled = (_paperContainer.height>0);

			var factor:Number = getFitHeightFactor(); 

			_scale = factor;

			_tweencount = _displayContainer.numChildren;

			

			for(var i:int=0;i<_displayContainer.numChildren;i++){

				_target = _displayContainer.getChildAt(i);

				_target.filters = null;

				Tweener.addTween(_target, {scaleX:factor, scaleY:factor,time: 0, transition: 'easenone', onComplete: tweenComplete});

			}			

			

			FitMode = FitModeEnum.FITHEIGHT;

			dispatchEvent(new ScaleChangedEvent(ScaleChangedEvent.SCALE_CHANGED,_scale));

			

			return factor > 0;

		}

		

		private function tweenComplete():void{

			_tweencount--;

			

			if(_tweencount==0){

				

				if(_loadTimer!=null)

					_loadTimer.start();



				repositionPapers();

			}

			

			if(_tweencount < numPagesLoaded - 2 || _tweencount == 0){

				PaperVisible = true;

			}

		}

		

		private function reScaleComplete():void{

			_tweencount--;

			

			if(_tweencount==0){

				if(_displayContainer.numChildren>0){

					_paperContainer.verticalScrollPosition = 0;

					

					if(_loadTimer!=null)

						_loadTimer.start();



					repositionPapers();

				}				

				

				if(_tweencount < numPagesLoaded - 2 || _tweencount == 0){

					PaperVisible = true;

				}

			}	

		}

		

		public function set Scale(s:String):void {

			var diff:Number = _scale - new Number(s);

			_scale = new Number(s);

		}		

		

		override protected function createChildren():void {

			// Call the createChildren() method of the superclass.

			super.createChildren();

			this.styleName = "viewerBackground";

			

			// Bind events

			//_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, swfComplete);

			addEventListener(Event.RESIZE, sizeChanged,false,0,true);

			systemManager.stage.addEventListener(KeyboardEvent.KEY_DOWN, keyboardHandler,false,0,true);

			

			// Create a visible container for the swf

			_swfContainer = new Canvas();

			_swfContainer.visible = false;

			this.addChild(_swfContainer);

			

			// Create a timer to use for repainting

			_repaintTimer = new Timer(5,0);

			_repaintTimer.addEventListener("timer", repaintHandler);

			

			createDisplayContainer();

		}

		

		private function onframeenter(event:Event):void{

			if(!_dupImageClicked){return;}

			

			if(_docLoader!=null && _docLoader.IsSplit) 

				return;

			

			if(event.target.content != null){

				if (event.target.parent is DupImage &&

					event.target.content.currentFrame!=(event.target.parent as DupImage).dupIndex 

					&& _dupImageClicked){

					var np:int = event.target.content.currentFrame;

					event.target.content.gotoAndStop((event.target.parent as DupImage).dupIndex);

					gotoPage(np);

				}

			}

		}

		

		private function updComplete(event:Event):void	{

			if(_scrollToPage>0){

				_paperContainer.verticalScrollPosition = _pageList[_scrollToPage-1].y;

				//_paperContainer.horizontalScrollPosition = 0;

				_scrollToPage = 0;

			}

			

			repaint();

			//repositionPapers();

		}

		

		private function repaintHandler(e:Event):void {

			if(_loadTimer!=null){

				_loadTimer.reset();

				_loadTimer.start();

			}

			

			repositionPapers();

			_repaintTimer.stop();

			_repaintTimer.delay = 5;

		}

		

		private function loadtimer(e:Event):void {

			if(_loadTimer!=null)

				_loadTimer.stop();

			

			repositionPapers();

		}

		

		private function bytesLoaded(event:Event):void{

			event.target.loader.loaded = true;

			

			var bFound:Boolean=false;

			

			// Split up approach

			if(_docLoader!=null && _docLoader.IsSplit){

				event.target.loader.loading = false;

				

				if(event.target.loader.content!=null && event.target.loader.content is MovieClip){event.target.loader.content.stop();}

				

				for(var i:int=0;i<_docLoader.LoaderList.length;i++){

					if(_docLoader.LoaderList[i].loading){

						bFound = true;

						break;

					}

				}

				

				_frameLoadCount = numPages;

				_bbusyloading = false;

				_displayContainer.visible = true;



				if(!bFound){

					dispatchEvent(new PageLoadedEvent(PageLoadedEvent.PAGE_LOADED,event.target.loader.pageStartIndex));

					

					if(_fitPageOnLoad&&((_paperContainer.height / _libMC.height)>0)){FitMode = FitModeEnum.FITHEIGHT;_fitPageOnLoad=false;_scrollToPage=1;_pscale=_scale;}

					if(_fitWidthOnLoad&&((_paperContainer.width / _libMC.width)>0)){FitMode = FitModeEnum.FITWIDTH;_fitWidthOnLoad=false;_scrollToPage=1;_pscale=_scale;}

				}

				

				repaint();

			}else{ // normal file approach

				if(event.target.loader.content!=null){event.target.loader.content.stop();}

				

				if(!ProgressiveLoading || (ProgressiveLoading && _libMC.framesLoaded == _libMC.totalFrames)){

					for(var i:int=0;i<_docLoader.LoaderList.length;i++){

						if(!_docLoader.LoaderList[i].loaded && !(_docLoader.LoaderList[i].parent is DupImage)){

							_docLoader.LoaderList[i].unloadAndStop(true);

							_docLoader.LoaderList[i].loadBytes(_inputBytes,StreamUtil.getExecutionContext());

							bFound = true;

							break;

						}

					}

				}

				

				if(!bFound){

					_bbusyloading = false;

					if(_fitPageOnLoad){FitMode = FitModeEnum.FITHEIGHT;_fitPageOnLoad=false;_scrollToPage=1;_pscale=_scale;}

					if(_fitWidthOnLoad){FitMode = FitModeEnum.FITWIDTH;_fitWidthOnLoad=false;_scrollToPage=1;_pscale=_scale;}

					_displayContainer.visible = true;

					

					if(	_libMC.framesLoaded == _libMC.totalFrames  && _frameLoadCount != _libMC.framesLoaded){

						dispatchEvent(new DocumentLoadedEvent(DocumentLoadedEvent.DOCUMENT_LOADED,numPages));

						_frameLoadCount = _libMC.framesLoaded;

					}

				}

			}

		}

		

		public function repositionPapers():void{

			if(_docLoader==null){return;}

			if(_docLoader!=null&&_docLoader.LoaderList==null||numPagesLoaded==0){return;}

			

			{

				var loaderidx:int=0;

				var bFoundFirst:Boolean = false;

				var _thumb:Bitmap;

				var _thumbData:BitmapData;

				var uloaderidx:int=0;

				var p:int=-1;

				var pl:int=0;

				

				for(var i:int=0;i<_pageList.length;i++){

					if(ViewMode == ViewModeEnum.TILE){

						if(!bFoundFirst && ((i) * (_pageList[i].height + 6)) >= _paperContainer.verticalScrollPosition){

							bFoundFirst = true;

							p = i + 1;

						}

					}

					else if(ViewMode == ViewModeEnum.PORTRAIT){

						if(!bFoundFirst)

						{

							var perH:int=0;

							if(_pageList.length>1)

							{

								var nowpH:Number = 0;

								var nowP:Number = 0;



								while(_paperContainer.verticalScrollPosition+1>nowpH && nowP-1<_pageList.length){

									nowP++;

									

									if(nowP<_pageList.length)

										nowpH+=_pageList[nowP].y-_pageList[nowP-1].y;

									else if(nowP>=_pageList.length)

										nowpH+=_pageList[_pageList.length-1].y-_pageList[_pageList.length-2].y;

								}

								

								if(0<nowP<0.5)

									p = 1;

								else if(nowP>=(_pageList.length-0.5))

									p = _pageList.length;

								else{

									p = Math.round(nowP);

									if(_pageList.length>p-1&&_paperContainer.verticalScrollPosition<_pageList[p-1].y && p!=_pageList.length){

										p-=1;

									}

								}

								bFoundFirst = true;

							}

							else

							{

								bFoundFirst = true;

								p = 1;

							}

						}

					}

					

					if(p>numPages)

						return;

					

					if(UsingExtViewMode){

						if(currPage != CurrExtViewMode.currentPage)

							dispatchEvent(new CurrentPageChangedEvent(CurrentPageChangedEvent.PAGE_CHANGED,CurrExtViewMode.currentPage));

						

						p = CurrExtViewMode.currentPage;

						currPage = p;

					}

					

					if(p>0&&p!=_currPage){

						currPage = p;

						dispatchEvent(new CurrentPageChangedEvent(CurrentPageChangedEvent.PAGE_CHANGED,p));

					}

					

					if(_libMC!=null&&checkIsVisible(i)){

						if(_pageList[i].numChildren<4){

							if(ViewMode == ViewModeEnum.PORTRAIT){

								

								if(_docLoader.IsSplit)

									uloaderidx = finduloaderIdx(_pageList[i].dupIndex);

								

								if(!_docLoader.IsSplit || uloaderidx == -1)

									uloaderidx = (i==_pageList.length-1&&loaderidx+3<_docLoader.LoaderList.length)?loaderidx+3:(loaderidx<_docLoader.LoaderList.length)?loaderidx:0;

								

								if(!_docLoader.IsSplit){

									if(!_bbusyloading && _docLoader.LoaderList!=null && _docLoader.LoaderList.length>0){

										if(numPagesLoaded>=_pageList[i].dupIndex && _docLoader.LoaderList[uloaderidx] != null && _docLoader.LoaderList[uloaderidx].content==null||(_docLoader.LoaderList[uloaderidx].content!=null&&_docLoader.LoaderList[uloaderidx].content.framesLoaded<_pageList[i].dupIndex)){

											_bbusyloading = true;

											_docLoader.LoaderList[uloaderidx].unloadAndStop(true);

											_docLoader.LoaderList[uloaderidx].loadBytes(_inputBytes,StreamUtil.getExecutionContext());

											flash.utils.setTimeout(repositionPapers,200);

										}

									}

									

									if((i<2||_pageList[i].numChildren==0||_pageList[i].loadedIndex!=_pageList[i].dupIndex||(_pageList[i]!=null&&_docLoader.LoaderList[uloaderidx]!=null&&_docLoader.LoaderList[uloaderidx].content!=null&&_docLoader.LoaderList[uloaderidx].content.currentFrame!=_pageList[i].dupIndex)) && _docLoader.LoaderList[uloaderidx] != null && _docLoader.LoaderList[uloaderidx].content != null){

										if(numPagesLoaded >= _pageList[i].dupIndex){

											_docLoader.LoaderList[uloaderidx].content.gotoAndStop(_pageList[i].dupIndex);

											_pageList[i].addChild(_docLoader.LoaderList[uloaderidx]);

											_pageList[i].loadedIndex = _pageList[i].dupIndex;

											/*

											if(_libMC.width*_scale>0&&_libMC.height*_scale>0){

												_libMC.gotoAndStop(_pageList[i].dupIndex);

												_thumbData = new BitmapData(_libMC.width*_scale, _libMC.height*_scale, false, 0xFFFFFF);

												_thumb = new Bitmap(_thumbData);

												_pageList[i].source = _thumb;

												_thumbData.draw(_libMC,new Matrix(_scale, 0, 0, _scale),null,null,null,true);

											} */ 

										}	

									} 

								}

								

								if(_docLoader.IsSplit){

									if(!_bbusyloading && _docLoader.LoaderList!=null && _docLoader.LoaderList.length>0){

										if(_docLoader.LoaderList[uloaderidx] != null && _docLoader.LoaderList[uloaderidx].pageStartIndex != _pageList[i].dupIndex && !_loadTimer.running && !_docLoader.LoaderList[uloaderidx].loading){

											dispatchEvent(new PageLoadingEvent(PageLoadingEvent.PAGE_LOADING,_pageList[i].dupIndex));

											try{

												_pageList[i].resetPage(_libMC.width,_libMC.height,_scale,true);

												_docLoader.LoaderList[uloaderidx].unloadAndStop(true);

												_docLoader.LoaderList[uloaderidx].loaded = false;

												_docLoader.LoaderList[uloaderidx].loading = true;

												_docLoader.LoaderList[uloaderidx].load(new URLRequest(getSwfFilePerPage(_swfFile,_pageList[i].dupIndex)),StreamUtil.getExecutionContext());

												_docLoader.LoaderList[uloaderidx].pageStartIndex = _pageList[i].dupIndex;

											}catch(err:IOErrorEvent){}

											

											repaint();

											

										}

									}

									

									if((_pageList[i].numChildren==0||(_pageList[i]!=null&&_docLoader.LoaderList[uloaderidx]!=null&&_docLoader.LoaderList[uloaderidx].content!=null)) && _docLoader.LoaderList[uloaderidx] != null && _docLoader.LoaderList[uloaderidx].content != null && _docLoader.LoaderList[uloaderidx].loaded && _docLoader.LoaderList[uloaderidx].pageStartIndex == _pageList[i].dupIndex){

										if(numPagesLoaded >= _pageList[i].dupIndex||true){

											if(_docLoader.LoaderList[uloaderidx].parent != null)

												_docLoader.LoaderList[uloaderidx].parent.removeChild(_docLoader.LoaderList[uloaderidx]);

											

											_pageList[i].addChild(_docLoader.LoaderList[uloaderidx]);

											_pageList[i].loadedIndex = _pageList[i].dupIndex; 

											

											if((_performSearchOnPageLoad && _pendingSearchPage == _pageList[i].dupIndex)||(SearchMatchAll && prevSearchText.length>0)){

												_performSearchOnPageLoad = false;

												searchTextByService(prevSearchText)

											}

										}	

									}

								}

								

							}else if(ViewMode == ViewModeEnum.TILE && _pageList[i].source == null && (numPagesLoaded >= _pageList[i].dupIndex||_docLoader.IsSplit)){

								if(!_docLoader.IsSplit){

									_libMC.gotoAndStop(_pageList[i].dupIndex);

									_thumbData = new BitmapData(_libMC.width*_scale, _libMC.height*_scale, false, 0xFFFFFF);

									_thumb = new Bitmap(_thumbData);

									_pageList[i].source = _thumb;

									_thumbData.draw(_libMC.getDocument(),new Matrix(_scale, 0, 0, _scale),null,null,null,true);

								}else{

									

									if(!_bbusyloading && !_loadTimer.running && _docLoader.LoaderList!=null && _docLoader.LoaderList.length>0 && !_docLoader.LoaderList[uloaderidx].loading){

											dispatchEvent(new PageLoadingEvent(PageLoadingEvent.PAGE_LOADING,_pageList[i].dupIndex));

											

											try{

												_pageList[i].resetPage(_libMC.width,_libMC.height,_scale,true);

												_docLoader.LoaderList[uloaderidx].loaded = false;

												_docLoader.LoaderList[uloaderidx].loading = true;

												_docLoader.LoaderList[uloaderidx].load(new URLRequest(getSwfFilePerPage(_swfFile,_pageList[i].dupIndex)),StreamUtil.getExecutionContext());

												_docLoader.LoaderList[uloaderidx].pageStartIndex = _pageList[i].dupIndex;

											}catch(err:IOErrorEvent){}

											

											repaint();

										}

									

									if(_docLoader.LoaderList[uloaderidx].pageStartIndex == _pageList[i].dupIndex && _pageList[i].loadedIndex != _pageList[i].dupIndex && _docLoader.LoaderList[uloaderidx].content!=null){

										_thumbData = new BitmapData(_docLoader.LoaderList[uloaderidx].width*_scale, _docLoader.LoaderList[uloaderidx].height*_scale, false, 0xFFFFFF);

										_thumb = new Bitmap(_thumbData);

										_pageList[i].source = _thumb;

										_pageList[i].loadedIndex = _pageList[i].dupIndex;

										_thumbData.draw(_docLoader.LoaderList[uloaderidx],new Matrix(_scale, 0, 0, _scale),null,null,null,true);

									}

								}

								

								if(_pluginList!=null){

									for(pl=0;pl<_pluginList.length;pl++){

										_pluginList[pl].drawSelf(i,_thumbData,_scale);

									}

								}

							}

						}

						

						if(UsingExtViewMode){

							CurrExtViewMode.renderPage(i);

							

							if(_selectionMarker!=null)

								CurrExtViewMode.renderSelection(i,_selectionMarker);

						}

						

						if((_viewMode == ViewModeEnum.PORTRAIT) && _selectionMarker != null){

							if(i+1 == searchPageIndex && _selectionMarker.parent != _pageList[i]){

								_pageList[i].addChildAt(_selectionMarker,_pageList[i].numChildren);

							}else if(i+1 == searchPageIndex && _selectionMarker.parent == _pageList[i]){

								_pageList[i].setChildIndex(_selectionMarker,_pageList[i].numChildren -1);

							}

						}

						

						if(_viewMode != ViewModeEnum.TILE && !UsingExtViewMode && _markList[i] != null){

							if(_markList[i].parent != _pageList[i]){

								_pageList[i].addChildAt(_markList[i],_pageList[i].numChildren);

							}else{ 

								_pageList[i].setChildIndex(_markList[i],_pageList[i].numChildren -1);

							}

						}

						

						if(UsingExtViewMode && _markList[i] != null){

							CurrExtViewMode.renderMark(_markList[i],i);

						}

						

						loaderidx++;

					}else{

						if(_pageList[i].numChildren>0 || _pageList[i].source != null){

							_pageList[i].source = null;

							

							if(_tweencount == 0)

								_pageList[i].resetPage(_libMC.width,_libMC.height,_scale);

							else

								_pageList[i].removeAllChildren();

								

							_pageList[i].loadedIndex = -1;

						}					

					}

					

					// plugins should be rendered even if not visible to allow printing to work

					if(_viewMode != ViewModeEnum.TILE){

						if(_pluginList!=null){

							for(pl=0;pl<_pluginList.length;pl++){

								_pluginList[pl].drawSelf(i,_pageList[i],_scale);

							}

						}

					}

				}

			}			

		}

		

		private function padString(_str:String, _n:Number, _pStr:String):String

		{

			var _rtn:String = _str;

			if ((_pStr == null) || (_pStr.length < 1))

			{

				_pStr = " ";

			}

			

			if (_str.length < _n)

			{

				var _s:String = "";

				for (var i:Number = 0 ; i < (_n - _str.length) ; i++)

				{

					_s += _pStr;

				}

				_rtn = _s + _str;

			}

			

			return _rtn;

		}



		private function finduloaderIdx(idx:int):int{

			for(var i:int=0;i<_docLoader.LoaderList.length;i++){

				if(_docLoader.LoaderList[i].pageStartIndex == idx)

					return i;

			}

			for(var i:int=0;i<_docLoader.LoaderList.length;i++){

				if(!checkIsVisible(_docLoader.LoaderList[i].pageStartIndex))

					return i;

			}

			return -1;

		}

				

		public function repaint():void{

			_repaintTimer.reset();_repaintTimer.start();

		}

		

		private function getVisibleMidPage():Number{

			var lowPageNum:int = -1;

			var highPageNum:int = -1;

			

			for(var i:int=0;i<_pageList.length;i++){

				if(lowPageNum==-1 && checkIsVisible(i)){

					lowPageNum = i;

				}

				

				if(lowPageNum!=-1 && checkIsVisible(i)){

					highPageNum = i;

				}

			}	

			

			if(highPageNum - lowPageNum == 1 && _pageList.length<3){

				return lowPageNum;

			}else{

				var retval:Number = Math.round(lowPageNum + (highPageNum - lowPageNum) / 2);

				if(retval<0){retval=0;}

				if(retval>_pageList.length-1){retval=_pageList.length-1;}

				

				return retval;

			}

		}

		

		private function checkIsVisible(pageIndex:int):Boolean{

			try{

				if(ViewMode == ViewModeEnum.TILE){

					return  _pageList[pageIndex].parent.y + _pageList[pageIndex].height >= _paperContainer.verticalScrollPosition && 

						(_pageList[pageIndex].parent.y - _pageList[pageIndex].height) < (_paperContainer.verticalScrollPosition + _paperContainer.height);

				}

				else if(!UsingExtViewMode){

					if(_paperContainer.height <= 0)

						return false;



					return (_pageList[pageIndex].y + (_pageList[pageIndex].getScaledHeight() + 6)) >= _paperContainer.verticalScrollPosition && 

						(_pageList[pageIndex].y - (_pageList[pageIndex].getScaledHeight() + 6)) < (_paperContainer.verticalScrollPosition + _paperContainer.height);

				}

				

				if(UsingExtViewMode)

					return CurrExtViewMode.checkIsVisible(pageIndex);	

				

			}catch(e:Error){

				return false;	

			}

			return false;

		}		

		

		public function createDisplayContainer():void{

			if(_skinImgDo != null && _skinImgDo.parent == this){

				removeChild(_skinImgDo);

				_skinImgDo.removeEventListener(MouseEvent.MOUSE_OVER,skinMouseOver);

				_skinImgDo.removeEventListener(MouseEvent.MOUSE_OUT,skinMouseOut);

				_skinImgDo.removeEventListener(MouseEvent.MOUSE_DOWN,skinMouseDown);

			}

			

			_skinImgDo = new Image();

			_skinImgDo.source = _skinImg;

			_skinImgDo.x = this.width-_skinImg.width - 27; _skinImgDo.y = this.height-_skinImg.height - 10;

			_skinImgDo.addEventListener(MouseEvent.MOUSE_OVER,skinMouseOver,false,0,true);

			_skinImgDo.addEventListener(MouseEvent.MOUSE_OUT,skinMouseOut,false,0,true);

			_skinImgDo.addEventListener(MouseEvent.MOUSE_DOWN,skinMouseDown,false,0,true);

			_skinImgDo.buttonMode = true;

			addChild(_skinImgDo); 

			

			// Add the swf to the invisible container.

			_swfContainer.removeAllChildren();

			var uic:UIComponent = new UIComponent();

			_swfContainer.addChild(uic);

			

			if(_docLoader!=null && _docLoader.DocumentContainer != null)

				uic.addChild(_docLoader.DocumentContainer);

			

			if(_paperContainer !=null && _paperContainer.parent == this){

				removeChild(_paperContainer);

				_paperContainer.removeEventListener(FlexEvent.UPDATE_COMPLETE,updComplete);

				

				_paperContainer.removeEventListener(MouseEvent.MOUSE_WHEEL, wheelHandler);

			}

			

			_paperContainer = new ZoomCanvas();

			_paperContainer.percentHeight = 100;

			_paperContainer.percentWidth = 100;

			_paperContainer.addEventListener(FlexEvent.UPDATE_COMPLETE,updComplete,false,0,true);

			_paperContainer.x = (ViewMode==ViewModeEnum.PORTRAIT||ViewMode==ViewModeEnum.TILE)?2.5:0;

			_paperContainer.addEventListener(MouseEvent.MOUSE_WHEEL, wheelHandler,false,0,true);

			_paperContainer.setStyle("horizontalGap",1);

			_paperContainer.setStyle("verticalGap",0);

			

			addChildAt(_paperContainer,getChildIndex(_skinImgDo)-1);

			

			try{

				new flash.net.LocalConnection().connect('devaldiGCdummy');

				new flash.net.LocalConnection().connect('devaldiGCdummy');

			} catch (e:*) {}

			

			try{flash.system.System.gc();} catch (e:*) {}

			

			if(_paperContainer.numChildren>0){_paperContainer.removeAllChildren();}

			

			deleteDisplayContainer();

			

			if(_viewMode == ViewModeEnum.TILE){

				_displayContainer = new FlowBox();

				_displayContainer.setStyle("horizontalAlign", "left");

				_paperContainer.horizontalScrollPolicy = "off";

				_scale = 0.243;

				_paperContainer.addChild(_displayContainer);

				_paperContainer.childrenDoDrag = true;

				_initialized=true;

			}

			else if(UsingExtViewMode){

				_initialized = CurrExtViewMode.initComponent(this);

			}

			else{

				_displayContainer = new FlowVBox();

				_displayContainer.setStyle("horizontalAlign", "center");

				_paperContainer.addChild(_displayContainer);

				_paperContainer.childrenDoDrag = true;

				_initialized=true;

			}

			

			_displayContainer.verticalScrollPolicy = "off";

			_displayContainer.horizontalScrollPolicy = "off";	

			_displayContainer.setStyle("verticalAlign", "center");

			_displayContainer.percentHeight = 100;

			_displayContainer.percentWidth = (ViewMode==ViewModeEnum.PORTRAIT)?96:100;

			_displayContainer.useHandCursor = true;

			_displayContainer.addEventListener(MouseEvent.ROLL_OVER,displayContainerrolloverHandler,false,0,true);

			_displayContainer.addEventListener(MouseEvent.ROLL_OUT,displayContainerrolloutHandler,false,0,true);

			_displayContainer.addEventListener(MouseEvent.MOUSE_DOWN,displayContainerMouseDownHandler,false,0,true);

			_displayContainer.addEventListener(MouseEvent.MOUSE_UP,displayContainerMouseUpHandler,false,0,true);

			_displayContainer.addEventListener(MouseEvent.DOUBLE_CLICK,displayContainerDoubleClickHandler,false,0,true);

			//_displayContainer.mouseChildren = false;

			_displayContainer.doubleClickEnabled = true;

		}

		

		private function displayContainerrolloverHandler(event:MouseEvent):void{

			

			if(_viewMode==ViewModeEnum.PORTRAIT||(UsingExtViewMode && CurrExtViewMode.supportsTextSelect)){

				if(TextSelectEnabled && CursorsEnabled){

					_grabCursorID = CursorManager.setCursor(MenuIcons.TEXT_SELECT_CURSOR);

				}else if(CursorsEnabled){

					resetCursor();

				}

			}

		}

		

		private function displayContainerMouseUpHandler(event:MouseEvent):void{

			if(_viewMode==ViewModeEnum.PORTRAIT||(UsingExtViewMode && CurrExtViewMode.supportsTextSelect)){

				

				if(CursorsEnabled)

					CursorManager.removeCursor(_grabbingCursorID);

				

				if(TextSelectEnabled && CursorsEnabled){

					_grabCursorID = CursorManager.setCursor(MenuIcons.TEXT_SELECT_CURSOR);

				}else if(CursorsEnabled && !(event.target is IFlexPaperPluginControl) || (event.target.parent !=null && event.target.parent.parent !=null && event.target.parent.parent is IFlexPaperPluginControl)){

					resetCursor();

				}

			}

		}

		

		private function displayContainerDoubleClickHandler(event:MouseEvent):void{

			if(TextSelectEnabled){return;}

			if(ViewMode == ViewModeEnum.PORTRAIT)

				FitMode = (FitMode == FitModeEnum.FITWIDTH)?FitModeEnum.FITHEIGHT:FitModeEnum.FITWIDTH;

			

			if(UsingExtViewMode)

				CurrExtViewMode.handleDoubleClick(event);

		}

		

		private function displayContainerMouseDownHandler(event:MouseEvent):void{

			if(_viewMode==ViewModeEnum.PORTRAIT||(UsingExtViewMode && CurrExtViewMode.supportsTextSelect)){

				

				if(CursorsEnabled)

					CursorManager.removeCursor(_grabCursorID);

				

				if(TextSelectEnabled && CursorsEnabled){

					_grabbingCursorID = CursorManager.setCursor(MenuIcons.TEXT_SELECT_CURSOR);

				}else if(CursorsEnabled){

					_grabbingCursorID = CursorManager.setCursor(MenuIcons.GRABBING);

				}

			}

			

			if(UsingExtViewMode)

				CurrExtViewMode.handleMouseDown(event);

		}

		

		private function displayContainerrolloutHandler(event:Event):void{

			if(CursorsEnabled)

				CursorManager.removeAllCursors();

		}		

		

		private function wheelHandler(evt:MouseEvent):void {

			_paperContainer.removeEventListener(MouseEvent.MOUSE_WHEEL, wheelHandler);

			

			var t:Timer = new Timer(1,1);

			t.addEventListener("timer", addMouseScrollListener,false,0,true);

			t.start();

			

			_paperContainer.dispatchEvent(evt.clone());

		}

		

		private function addMouseScrollListener(e:Event):void {

			_paperContainer.addEventListener(MouseEvent.MOUSE_WHEEL, wheelHandler,false,0,true);

		}		

		

		private function keyboardHandler(event:KeyboardEvent):void{

			if(event.keyCode == Keyboard.DOWN){

				_paperContainer.verticalScrollPosition = _paperContainer.verticalScrollPosition + 10;	

			}

			if(event.keyCode == Keyboard.UP){

				_paperContainer.verticalScrollPosition = _paperContainer.verticalScrollPosition - 10;

			}

			if(event.keyCode == Keyboard.PAGE_DOWN){

				_paperContainer.verticalScrollPosition = _paperContainer.verticalScrollPosition + 300;  

			}

			if(event.keyCode == Keyboard.PAGE_UP){

				_paperContainer.verticalScrollPosition = _paperContainer.verticalScrollPosition - 300;  

			}

			if(event.keyCode == Keyboard.HOME){

				_paperContainer.verticalScrollPosition = 0;

			}

			if(event.keyCode == Keyboard.END){

				_paperContainer.verticalScrollPosition = _paperContainer.maxVerticalScrollPosition;

			}

		}

		

		private function sizeChanged(evt:Event):void{

			_skinImgDo.source = _skinImg;

			_skinImgDo.x = this.width-_skinImg.width - 27; _skinImgDo.y = this.height-_skinImg.height - 10;

		}

		

		private function skinMouseOver(evt:MouseEvent):void{

			_skinImgDo.addChild(_skinImgc);

		}

		

		private function skinMouseOut(evt:MouseEvent):void{

			if(_skinImgc.parent==_skinImgDo){_skinImgDo.removeChild(_skinImgc);}

		}

		

		private function skinMouseDown(evt:MouseEvent):void{

			dispatchEvent(new …