/**************************************************************
 *
 * 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 embeddedobj.test;

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.Vector;

import javax.swing.JOptionPane;
import javax.swing.Timer;

import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XSingleServiceFactory;

import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XInterface;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.Type;
import com.sun.star.uno.Any;

import com.sun.star.lang.XComponent;

import com.sun.star.util.XCloseable;
import com.sun.star.util.XURLTransformer;
import com.sun.star.util.URL;

import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.NamedValue;

import com.sun.star.datatransfer.DataFlavor;
import com.sun.star.datatransfer.XTransferable;

import com.sun.star.container.XNameAccess;

import com.sun.star.io.XStream;
import com.sun.star.io.XInputStream;
import com.sun.star.io.XOutputStream;
import com.sun.star.io.XTruncate;

import com.sun.star.awt.XWindow;
import com.sun.star.awt.XBitmap;

import com.sun.star.task.XJob;

import com.sun.star.embed.*;


class ActionObject
{
	public byte m_nID;
	public String m_sParam;

	public ActionObject()
	{
		m_nID = 0;
		m_sParam = null;
	}

	public ActionObject( byte nID )
	{
		m_nID = nID;
		m_sParam = null;
	}

	public ActionObject( byte nID, String sParam )
	{
		m_nID = nID;
		m_sParam = sParam;
	}

	public ActionObject( ActionObject aObject )
	{
		m_nID = aObject.m_nID;
		m_sParam = aObject.m_sParam;
	}
};

public class EmbedContApp extends Applet
	implements MouseListener, XEmbeddedClient, ActionListener, XJob, XInplaceClient, XWindowSupplier
{
	private XMultiServiceFactory m_xServiceFactory;

	private final boolean m_bStoreVisRepl = false;

	private XJob m_xMainThreadExecutor;
	private NamedValue[] m_pValuesForExecutor;

	private XEmbeddedObject m_xEmbedObj;
	private XStorage m_xStorage;
	private float	 m_nXScaling;
	private float	 m_nYScaling;
	private float	 m_nXPixelSize;
	private float	 m_nYPixelSize;

	private Frame m_aFrame;
	private Menu m_aFileMenu;
	private Menu m_aObjectMenu;
	private Toolkit m_aToolkit;

	private Image m_aImage;
	private Object m_oImageLock;

	private boolean m_bOwnFile = false;

	private boolean m_bLinkObj = false;
	private String m_aLinkURI;

	private Object m_oActionsNumberLock;
	private Vector m_aActionsList;

	private Timer m_aTimer;
	private boolean m_bDestroyed = false;

	private Object m_oInHandlerLock;
	private boolean m_bInHandler = false;

	private XURLTransformer m_xTransformer;

	private NativeView m_aNativeView;
	private XWindow m_xVCLWindow;

	private XBitmap m_xBitmap;
	private BitmapPainter m_aBitmapPainter;

// Constants
	private final byte DESTROY					=  1;
	private final byte ACTIVATE_OUTPLACE		=  2;
	private final byte NEW_DOCUMENT				=  3;
	private final byte SAVE_AS					=  4;
	private final byte OPEN_FILE				=  5;
	private final byte SAVE						=  6;
	private final byte NEW_OBJECT				=  7;
	private final byte OBJECT_FROM_FILE			=  8;
	private final byte LINK_FROM_FILE			=  9;
	private final byte CONVERT_LINK_TO_OBJECT	= 10;
	private final byte ACTIVATE_INPLACE			= 11;
	private final byte DEACTIVATE				= 12;

// Methods
	public EmbedContApp( Frame aFrame, XMultiServiceFactory xServiceFactory )
	{
		m_aFrame = aFrame;
		m_xServiceFactory = xServiceFactory;
	}

	public void init()
	{
		resize( 800, 600 );
		setBackground( Color.gray );

		m_aToolkit = Toolkit.getDefaultToolkit();

		try {
			Object oTransformer = m_xServiceFactory.createInstance( "com.sun.star.util.URLTransformer" );
			m_xTransformer = (XURLTransformer)UnoRuntime.queryInterface( XURLTransformer.class, oTransformer );
		} catch( Exception e ) { System.exit( 0 ); }

		m_oActionsNumberLock = new Object();
		m_aActionsList = new Vector();

		m_oInHandlerLock = new Object();
		m_oImageLock = new Object();

		try {
			Object oJob = m_xServiceFactory.createInstance( "com.sun.star.comp.thread.MainThreadExecutor" );
			m_xMainThreadExecutor = (XJob)UnoRuntime.queryInterface( XJob.class, oJob );
		} catch( Exception e ) {}

		if ( m_xMainThreadExecutor == null )
		{
			System.out.println( "Can't create MainThreadExecutor! The application is unusable!" );
			System.exit( 0 );
		}

		m_nXScaling = 1;
		m_nYScaling = 1;
		m_nXPixelSize = 1;
		m_nYPixelSize = 1;

		m_pValuesForExecutor = new NamedValue[1];
		m_pValuesForExecutor[0] = new NamedValue( "JobToExecute", (Object)this );

		m_aTimer = new Timer( 100, this );
		m_aTimer.start();

		// Get a menu bar.
		MenuBar aMenuBar = m_aFrame.getMenuBar();
		if( aMenuBar == null )
		{
			aMenuBar = new MenuBar();
			m_aFrame.setMenuBar( aMenuBar );
		}

		// Create menus for the menu bar.

		// File menu
		m_aFileMenu = new Menu( "File", true );
		aMenuBar.add( m_aFileMenu );

		MenuItem aItem = new NewMenuItem();
		m_aFileMenu.add( aItem );

		aItem = new OpenFileMenuItem();
		m_aFileMenu.add( aItem );

		aItem = new SaveMenuItem();
		m_aFileMenu.add( aItem );

		aItem = new SaveAsMenuItem();
		m_aFileMenu.add( aItem );

		// Object menu
		m_aObjectMenu = new Menu( "Object", true );
		aMenuBar.add( m_aObjectMenu );

		aItem = new NewObjectMenuItem();
		m_aObjectMenu.add( aItem );

		aItem = new LoadObjectMenuItem();
		m_aObjectMenu.add( aItem );

		aItem = new LinkObjectMenuItem();
		m_aObjectMenu.add( aItem );

		aItem = new ConvertLinkToEmbedMenuItem();
		m_aObjectMenu.add( aItem );

		// Activation menu
		m_aObjectMenu = new Menu( "Activation", true );
		aMenuBar.add( m_aObjectMenu );

		aItem = new ActivateOutplaceMenuItem();
		m_aObjectMenu.add( aItem );

		aItem = new ActivateInplaceMenuItem();
		m_aObjectMenu.add( aItem );

		aItem = new DeactivateMenuItem();
		m_aObjectMenu.add( aItem );

		m_aNativeView = new NativeView();
		m_aNativeView.resize( 800, 600 );
		this.add( m_aNativeView );

		// Handle mouse clicks in our window.
//		addMouseListener( this );
	}

	public void actionPerformed( ActionEvent evt )
	{
		synchronized( m_oInHandlerLock )
		{
			if ( m_bInHandler )
				return;
			m_bInHandler = true;
		}

		synchronized( m_oActionsNumberLock )
		{
			if ( m_aActionsList.size() > 0 )
			{
				try {
					m_xMainThreadExecutor.execute( m_pValuesForExecutor );
				}
				catch( Exception e )
				{
					System.out.println( "Exception in actionPerformed() : " + e );
				}
			}
			else
			{
				synchronized( m_oInHandlerLock )
				{
					m_bInHandler = false;
				}
			}
		}
	}

	// XWindowSupplier
	public XWindow getWindow()
	{
		return m_xVCLWindow;
	}

	// XEmbeddedClient
	public void saveObject()
		throws com.sun.star.uno.Exception
	{
		if ( m_xEmbedObj != null )
		{
			try {
				XEmbedPersist xPersist = (XEmbedPersist)UnoRuntime.queryInterface( XEmbedPersist.class, m_xEmbedObj );
				if ( xPersist != null )
				{
					xPersist.storeOwn();
					generateNewImage();
				}
				else
					JOptionPane.showMessageDialog( m_aFrame, "No XEmbedPersist!", "Error:", JOptionPane.ERROR_MESSAGE );
			}
			catch( Exception e )
			{
				JOptionPane.showMessageDialog( m_aFrame, e, "Exception in saveObject:", JOptionPane.ERROR_MESSAGE );
			}
		}

		generateNewImage();
		repaint();
	}

	public void onShowWindow( boolean bVisible )
	{
		// for now nothing to do
	}

	// XInplaceClient
	public boolean canInplaceActivate()
	{
		return true;
	}

	public void onInplaceActivate()
	{
		// TODO
		// prepare for inplace activation

		// REMOVE
		// workaround for CLIPCHILDREN problem
		if ( m_aBitmapPainter != null )
			m_aBitmapPainter.stopPainting();
	}

	public void onUIActivate()
	{
		// TODO
		// prepare for UI activate
	}

	public void onInplaceDeactivate()
	{
		// TODO
		// inplace deactivation is done

		// REMOVE
		// workaround for CLIPCHILDREN problem
		if ( m_aBitmapPainter != null )
			m_aBitmapPainter.startPainting();
	}

	public void onUIDeactivate()
	{
		// TODO
		// prepare for UI deactivate
	}

	public XIPMainContainerWindow getTopmostWindow()
	{
		// TODO
		// return an implementation of XIPMainContainerWindow
		// mainly required for ui activation
		// dummy implementation is enough for inplace activation

		return null;
	}

	public XInplaceUIWindow getDocumentWindow()
	{
		// TODO
		// return implementation of XInplaceUIWindow
		// mainly required for ui activation
		// dummy implementation is enough for inplace activation

		return null;
	}

	public com.sun.star.awt.Rectangle getPosRect()
	{
		// provide position rectangle to the object
		try {
			// here object bitmap and scaling factor hold the size
			com.sun.star.awt.Size aBitmapSize = m_xBitmap.getSize();
			com.sun.star.awt.Size aVisSize = new com.sun.star.awt.Size(
											(int)( aBitmapSize.Width * m_nXScaling ),
											(int)( aBitmapSize.Height * m_nYScaling ) );
			return new com.sun.star.awt.Rectangle( 10, 10, aVisSize.Width, aVisSize.Height );
		}
		catch( Exception e )
		{
			System.out.println( "Position rectangle generation failed!" );
		}

		return new com.sun.star.awt.Rectangle( 10, 10, 110, 110 );
	}

	public com.sun.star.awt.Rectangle getClipRect()
	{
		// provide clip rectangle to the object
		// in this application position and clip rectangles are the same

		try {
			// here object bitmap and scaling factor hold the size
			com.sun.star.awt.Size aBitmapSize = m_xBitmap.getSize();
			com.sun.star.awt.Size aVisSize = new com.sun.star.awt.Size(
											(int)( aBitmapSize.Width * m_nXScaling ),
											(int)( aBitmapSize.Height * m_nYScaling ) );
			return new com.sun.star.awt.Rectangle( 10, 10, aVisSize.Width, aVisSize.Height );
		}
		catch( Exception e )
		{
			System.out.println( "Clip rectangle generation failed!" );
		}

		return new com.sun.star.awt.Rectangle( 10, 10, 110, 110 );
	}

	public void translateAccelerators( com.sun.star.awt.KeyEvent[] aKeys )
	{
		// TODO
		// an accelerator table for object
		// ui activation related
	}

	public void scrollObj( com.sun.star.awt.Size aOffset )
	{
		// TODO
		// scrolls the object to a specified offset
		// not mandatory for the testing application :)
	}

	public void onPosRectChange( com.sun.star.awt.Rectangle aPosRect )
	{
		// object asks to change the position
		if ( m_xEmbedObj != null )
		{
			try {
				int nState = m_xEmbedObj.getCurrentState();
				// such a position change make sense only when object is
				// either inplace or ui active
				if ( nState == EmbedStates.EMBED_INPLACE_ACTIVE
				|| nState == EmbedStates.EMBED_UI_ACTIVE )
			 	{
					XInplaceObject xInplObj = (XInplaceObject)UnoRuntime.queryInterface( XInplaceObject.class, m_xEmbedObj );
			 		if ( xInplObj != null )
					{
						xInplObj.setObjectRects( aPosRect, aPosRect ); // show the whole object
						if ( m_aBitmapPainter != null )
							m_aBitmapPainter.setRect( aPosRect );
					}
					else
			 			System.out.println( "Why object that does not support inplace activation behave like inplace object?!" );
			 	}
			 	else
			 		System.out.println( "The object is not active but asks to change visual area!" );
			} catch( Exception e )
			{
			 	System.out.println( "Exception is thrown in onPosRectChange: " + e );
			}
		}
		else
		 	System.out.println( "Who asks to change visual area?!!" );
	}

	// XJob
	public Object execute( NamedValue[] pValues )
	{
		for( int nInd = 0; nInd < m_aActionsList.size(); nInd++ )
		{
			ActionObject aAction = ( ActionObject ) m_aActionsList.get( nInd );
			if ( aAction != null )
			{
				if ( aAction.m_nID == DESTROY )
				{
					// free all resources
					clearObjectAndStorage();
					m_bDestroyed = true;
				}
				else if ( aAction.m_nID == ACTIVATE_OUTPLACE )
				{
					// activate object if exists and not active
					if ( m_xEmbedObj != null )
					{
						try {
							m_xEmbedObj.changeState( EmbedStates.EMBED_ACTIVE );
						}
						catch( Exception ex )
						{
							System.out.println( "Exception on mouse click" + ex );
						}
					}
				}
				else if ( aAction.m_nID == NEW_DOCUMENT )
				{
					// clear everything
					clearObjectAndStorage();

					repaint();
				}
				else if ( aAction.m_nID == SAVE_AS )
				{
					// open SaveAs dialog and store

					if ( m_xStorage != null && m_xEmbedObj != null )
					{
						try {
							/*
								if ( m_bLinkObj )
									storeLinkAsFileURI( aFileURI );
								else
							*/
							saveObjectAsFileURI( aAction.m_sParam );
						}
						catch( Exception ex )
						{
							System.out.println( "Exception in SaveAsMenuItem: " + ex );
						}
					}
				}
				else if ( aAction.m_nID == OPEN_FILE )
				{
					// clear everything
					clearObjectAndStorage();

					// load from specified file
					loadFileURI( aAction.m_sParam );

					if ( m_xEmbedObj != null )
					{
						try {
							m_xEmbedObj.setClientSite( this );
						}
						catch( Exception ex )
						{
							System.out.println( "Exception in OpenFileMenuItem: " + ex );
						}
					}

					generateNewImage();
					repaint();
				}
				else if ( aAction.m_nID == SAVE )
				{
					if ( m_xStorage != null && m_xEmbedObj != null )
					{
						// if has persistence store there
						// if not it is and error, SaveAs had to be used

						if ( m_bOwnFile )
						{
							if ( m_xStorage != null )
							{
								try {
									saveObject();

									if ( m_bLinkObj )
										storeLinkToStorage();

									XTransactedObject xTransact = (XTransactedObject)UnoRuntime.queryInterface( XTransactedObject.class,
																												m_xStorage );
									if ( xTransact != null )
										xTransact.commit();
								}
								catch( Exception ex )
								{
									System.out.println( "Exception during save operation in SaveMenuItem:" + ex );
								}
							}
							else
							{
								System.out.println( "No storage for owned file!" );
							}
						}
						else
						{
							System.out.println( "No owned file!" );
						}
					}
				}
				else if ( aAction.m_nID == NEW_OBJECT )
				{
					// remove current object and init a new one
					clearObjectAndStorage();

					if ( aAction.m_sParam != null )
					{
						m_xStorage = createTempStorage();

						if ( m_xStorage != null )
							m_xEmbedObj = createEmbedObject( aAction.m_sParam );
						else
							System.out.println( "Can't create temporary storage!" );

						if ( m_xEmbedObj != null )
						{
							try {
								m_xEmbedObj.setClientSite( this );
							}
							catch( Exception ex )
							{
								System.out.println( "Exception in NewObjectMenuItem:" + ex );
							}
						}
					}

					generateNewImage();
					repaint();
				}
				else if ( aAction.m_nID == OBJECT_FROM_FILE )
				{
					// first remove current object
					clearObjectAndStorage();

					// create object from specified file
					m_xStorage = createTempStorage();

					if ( m_xStorage != null )
						m_xEmbedObj = loadEmbedObject( aAction.m_sParam );

					if ( m_xEmbedObj != null )
					{
						try {
							m_xEmbedObj.setClientSite( this );
						}
						catch( Exception ex )
						{
							System.out.println( "Exception in LoadObjectMenuItem: " + ex );
						}
					}

					generateNewImage();
					repaint();
				}
				else if ( aAction.m_nID == LINK_FROM_FILE )
				{
					// first remove current object
					clearObjectAndStorage();

					m_xStorage = createTempStorage();

					// create object from specified file
					m_xEmbedObj = createLinkObject( aAction.m_sParam );

					if ( m_xEmbedObj != null )
					{
						m_aLinkURI = aAction.m_sParam;
						m_bLinkObj = true;

						try {
							m_xEmbedObj.setClientSite( this );
						}
						catch( Exception ex )
						{
							System.out.println( "Exception in LinkObjectMenuItem:" + ex );
						}
					}

					generateNewImage();
					repaint();
				}
				else if ( aAction.m_nID == CONVERT_LINK_TO_OBJECT )
				{
					if ( !m_bLinkObj )
					{
						System.out.println( "The object is not a link!" );
						continue;
					}

					if ( m_xEmbedObj != null )
					{
						if ( m_xStorage != null )
						{
							try {
								XNameAccess xNameAccess = (XNameAccess)UnoRuntime.queryInterface( XNameAccess.class,
																								m_xStorage );
								if ( xNameAccess != null && xNameAccess.hasByName( "LinkName" ) )
									m_xStorage.removeElement( "LinkName" );

								XLinkageSupport xLinkage = (XLinkageSupport)UnoRuntime.queryInterface( XLinkageSupport.class,
																										m_xEmbedObj );
								if ( xLinkage != null )
								{
									xLinkage.breakLink( m_xStorage, "EmbedSub" );
									m_bLinkObj = false;
									m_aLinkURI = null;
								}
								else
									System.out.println( "No XLinkageSupport in ConvertLink... !" );
							}
							catch( Exception e1 )
							{
								System.out.println( "Exception in ConvertLinkToEmbed:try 1 :" + e1 );
							}
						}
					}
				}
				else if ( aAction.m_nID == ACTIVATE_INPLACE )
				{
					// activate object
					if ( m_xEmbedObj != null )
					{
						// in general it is better to check acceptable states
						try {
							m_xEmbedObj.changeState( EmbedStates.EMBED_INPLACE_ACTIVE );
						}
						catch( Exception ex )
						{
							System.out.println( "Exception on inplace activation " + ex );
						}
					}
				}
				else if ( aAction.m_nID == DEACTIVATE )
				{
					// activate object

					if ( m_xEmbedObj != null )
					{
						int nOldState = -1;
						try {
							nOldState = m_xEmbedObj.getCurrentState();
						} catch( Exception e )
						{}

						if ( nOldState == EmbedStates.EMBED_ACTIVE
						  || nOldState == EmbedStates.EMBED_INPLACE_ACTIVE
						  || nOldState == EmbedStates.EMBED_UI_ACTIVE )
						{
							try {
								m_xEmbedObj.changeState( EmbedStates.EMBED_RUNNING );
							}
							catch( Exception ex )
							{
								System.out.println( "Exception on inplace activation " + ex );
							}
						}
						else
						{
							System.out.println( "Deactivation of nonactive object!" );
						}
					}
				}
				else
				{
					System.out.println( "Unknown action is requested: " + aAction.m_nID + "\n" );
				}
			}
		}

		m_aActionsList.clear();

		synchronized( m_oInHandlerLock )
		{
			m_bInHandler = false;
		}

		return Any.VOID;
	}

	public void actionRegister( byte nActionID, String sParam )
	{
		synchronized( m_oActionsNumberLock )
		{
			int nSize = m_aActionsList.size();
			if ( nSize < 199 )
			{
				if ( nSize == 0 )
					m_aActionsList.add( new ActionObject( nActionID, sParam ) );
				else
				{
					ActionObject aAction = ( ActionObject ) m_aActionsList.get( nSize - 1 );
					if ( aAction != null && aAction.m_nID != DESTROY )
						m_aActionsList.add( new ActionObject( nActionID, sParam ) );
				}
			}
		}
	}

	public void SaveAsOperation()
	{
		if ( m_xStorage != null && m_xEmbedObj != null )
		{
			FileDialog aFileDialog = new FileDialog( m_aFrame, "SaveAs", FileDialog.SAVE );
			aFileDialog.show();
			if ( aFileDialog.getFile() != null )
			{
				String aFileName = aFileDialog.getDirectory() + aFileDialog.getFile();
				File aFile = new File( aFileName );
				if ( aFile != null )
				{
					// create object from specified file
					String aFileURI = getValidURL( aFile.toURI().toASCIIString() );
					actionRegister( SAVE_AS, aFileURI );
				}
			}
		}
		else
			JOptionPane.showMessageDialog( m_aFrame, "No document is embedded!", "Error:", JOptionPane.ERROR_MESSAGE );

	}

	public void destroy()
	{
		// redirect the call through the timer and call super.destroy();
		actionRegister( DESTROY, null );

		for ( int i = 0; i < 3 && !m_bDestroyed; i++ )
		{
			try {
				Thread.sleep( 200 );
			} catch ( Exception e )
			{}
		}

		if ( !m_bDestroyed )
			System.out.println( "The object application can not exit correctly!" );

		m_aTimer.stop();

		super.destroy();
	}

	public void update( Graphics g )
	{
		paint( g );
	}

	public void paint( Graphics g )
	{
		super.paint( g );

		// m_aNativeView.paint( g );

		createVclWindow();
	}

	public void createVclWindow()
	{
		synchronized( m_oImageLock )
		{
			if ( m_xVCLWindow == null && m_xServiceFactory != null && m_xEmbedObj != null && m_xBitmap != null )
			{
				java.awt.Rectangle aBounds = getBounds();
				m_xVCLWindow = WindowHelper.createWindow( m_xServiceFactory, m_aNativeView, aBounds );
				m_xVCLWindow.setVisible( true );

				com.sun.star.awt.Size aBitmapSize = new com.sun.star.awt.Size( 200, 100 );

				XVisualObject xVisObj = (XVisualObject)UnoRuntime.queryInterface( XVisualObject.class, m_xEmbedObj );
				try {
					com.sun.star.awt.Size aVisSize = xVisObj.getVisAreaSize( Aspects.MSASPECT_CONTENT );
					m_nXPixelSize = aVisSize.Width / aBitmapSize.Width;
					m_nYPixelSize = aVisSize.Height / aBitmapSize.Height;
				}
				catch( Exception e )
				{
				}

				if ( m_xBitmap != null )
				 	aBitmapSize = m_xBitmap.getSize();

				System.out.println( "The visual area is Width = " + aBitmapSize.Width + "; Height = " + aBitmapSize.Height );

				com.sun.star.awt.Rectangle aRect = new com.sun.star.awt.Rectangle(
														10,
														10,
														Math.min( (int)aBounds.getWidth() - 20, aBitmapSize.Width ),
														Math.min( (int)aBounds.getHeight() - 20, aBitmapSize.Height ) );

				m_aBitmapPainter = new BitmapPainter( m_xMainThreadExecutor, m_xVCLWindow, m_xBitmap, aRect );
			}
		}
	}

	public void generateNewImage()
	{
		if ( m_xEmbedObj != null )
		{
			try {
				int nOldState = m_xEmbedObj.getCurrentState();
				int nState = nOldState;
				if ( nOldState == EmbedStates.EMBED_LOADED )
				{
					m_xEmbedObj.changeState( EmbedStates.EMBED_RUNNING );
					nState = EmbedStates.EMBED_RUNNING;
				}

				if ( nState == EmbedStates.EMBED_UI_ACTIVE || nState == EmbedStates.EMBED_INPLACE_ACTIVE
				  || nState == EmbedStates.EMBED_ACTIVE || nState == EmbedStates.EMBED_RUNNING )
				{
					XComponentSupplier xCompProv = (XComponentSupplier)UnoRuntime.queryInterface(
																					XComponentSupplier.class,
																					m_xEmbedObj );
					if ( xCompProv != null )
					{
						XCloseable xCloseable = xCompProv.getComponent();
						XTransferable xTransfer = (XTransferable)UnoRuntime.queryInterface(
																					XTransferable.class,
																					xCloseable );
						if ( xTransfer != null )
						{
							DataFlavor aFlavor = new DataFlavor();
							aFlavor.MimeType = "application/x-openoffice;windows_formatname=\"Bitmap\"";
							aFlavor.HumanPresentableName = "Bitmap";
							aFlavor.DataType = new Type( byte[].class );

							Object aAny = xTransfer.getTransferData( aFlavor );
							if ( aAny != null && AnyConverter.isArray( aAny ) )
							{
								synchronized( m_oImageLock )
								{
									m_xBitmap = WindowHelper.getVCLBitmapFromBytes( m_xServiceFactory, aAny );
									if ( m_aBitmapPainter != null )
									{
										m_aBitmapPainter.setBitmap( m_xBitmap );

										if ( m_xBitmap != null )
										{
											try {
												com.sun.star.awt.Size aBitmapSize = m_xBitmap.getSize();
												com.sun.star.awt.Size aVisSize = new com.sun.star.awt.Size(
																				(int)( aBitmapSize.Width * m_nXScaling ),
																				(int)( aBitmapSize.Height * m_nYScaling ) );
												m_aBitmapPainter.setSize( aVisSize );
											}
											catch( Exception e )
											{
											}
										}
									}
								}
							}
						}
						else
							System.out.println( "paint() : can not get XTransferable for the component!\n" );
					}
					else
						System.out.println( "paint() : XComponentSupplier is not implemented!\n" );
				}
			}
			catch( com.sun.star.uno.Exception e )
			{
				// dialogs should not be used in paint()
				System.out.println( "Exception in paint(): " + e );
			}
		}
	}

	public void mouseClicked( MouseEvent e )
	{
		if( e.getModifiers() == InputEvent.BUTTON1_MASK )
		{
			actionRegister( ACTIVATE_OUTPLACE, null );
		}
	}

	public void mousePressed( MouseEvent e ){};
	public void mouseEntered( MouseEvent e ){};
	public void mouseExited( MouseEvent e ){};
	public void mouseReleased( MouseEvent e ){};

	// classes
	class NewMenuItem extends MenuItem implements ActionListener // Menu New
	{
		public NewMenuItem()
		{
			super( "New", new MenuShortcut( KeyEvent.VK_A ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			actionRegister( NEW_DOCUMENT, null );
		}
	}

	class SaveAsMenuItem extends MenuItem implements ActionListener // Menu SaveAs...
	{
		public SaveAsMenuItem()
		{
			super( "SaveAs..." );
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			// open SaveAs dialog and store

			SaveAsOperation();
		}
	}

	class OpenFileMenuItem extends MenuItem implements ActionListener // Menu Open
	{
		public OpenFileMenuItem()
		{
			super( "Open", new MenuShortcut( KeyEvent.VK_C ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			// open OpenFile dialog and load doc
			FileDialog aFileDialog = new FileDialog( m_aFrame, "Open" );
			aFileDialog.show();
			if ( aFileDialog.getFile() != null )
			{
				String aFileName = aFileDialog.getDirectory() + aFileDialog.getFile();
				File aFile = new File( aFileName );
				if ( aFile != null )
				{
					// create object from specified file
					String aFileURI = getValidURL( aFile.toURI().toASCIIString() );
					actionRegister( OPEN_FILE, aFileURI );
				}
			}
		}
	}

	class SaveMenuItem extends MenuItem implements ActionListener // Menu Save
	{
		public SaveMenuItem()
		{
			super( "Save", new MenuShortcut( KeyEvent.VK_D ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			// if has persistence store there
			// if not open SaveAs dialog and store
			if ( m_xStorage != null && m_xEmbedObj != null )
			{
				if ( m_bOwnFile )
				{
					if ( m_xStorage == null )
					{
						JOptionPane.showMessageDialog( m_aFrame,
														"No storage for oned file!",
														"Error:",
														JOptionPane.ERROR_MESSAGE );

						return;
					}

					actionRegister( SAVE, null );
				}
				else
				{
					SaveAsOperation();
				}
			}
			else
				JOptionPane.showMessageDialog( m_aFrame, "No document is embedded!", "Error:", JOptionPane.ERROR_MESSAGE );
		}
	}

	class NewObjectMenuItem extends MenuItem implements ActionListener // Menu NewObject
	{
		public NewObjectMenuItem()
		{
			super( "Create", new MenuShortcut( KeyEvent.VK_N ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			Object[] possibleValues = { "com.sun.star.comp.Writer.TextDocument",
										"com.sun.star.comp.Writer.GlobalDocument",
										"com.sun.star.comp.Writer.WebDocument",
										"com.sun.star.comp.Calc.SpreadsheetDocument",
										"com.sun.star.comp.Draw.PresentationDocument",
										"com.sun.star.comp.Draw.DrawingDocument",
										"com.sun.star.comp.Math.FormulaDocument",
										"BitmapImage" };

			String selectedValue = (String)JOptionPane.showInputDialog( null, "DocumentType", "Select",
																		JOptionPane.INFORMATION_MESSAGE, null,
																		possibleValues, possibleValues[0] );

			actionRegister( NEW_OBJECT, selectedValue );
		}
	}

	class LoadObjectMenuItem extends MenuItem implements ActionListener // Menu LoadObject
	{
		public LoadObjectMenuItem()
		{
			super( "Load from file", new MenuShortcut( KeyEvent.VK_L ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			// open OpenFile dialog and load doc
			FileDialog aFileDialog = new FileDialog( m_aFrame, "Select sources to use for object init" );
			aFileDialog.show();
			if ( aFileDialog.getFile() != null )
			{
				String aFileName = aFileDialog.getDirectory() + aFileDialog.getFile();
				File aFile = new File( aFileName );
				if ( aFile != null )
				{
					// create object from specified file
					String aFileURI = getValidURL( aFile.toURI().toASCIIString() );
					actionRegister( OBJECT_FROM_FILE, aFileURI );
				}
			}
		}
	}

	class LinkObjectMenuItem extends MenuItem implements ActionListener // Menu LinkObject
	{
		public LinkObjectMenuItem()
		{
			super( "Create link", new MenuShortcut( KeyEvent.VK_M ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			// open OpenFile dialog and load doc
			FileDialog aFileDialog = new FileDialog( m_aFrame, "Select sources to use for object init" );
			aFileDialog.show();
			if ( aFileDialog.getFile() != null )
			{
				String aFileName = aFileDialog.getDirectory() + aFileDialog.getFile();
				File aFile = new File( aFileName );
				if ( aFile != null )
				{
					// create object from specified file
					String aFileURI = getValidURL( aFile.toURI().toASCIIString() );
					actionRegister( LINK_FROM_FILE, aFileURI );
				}
			}
		}
	}

	class ConvertLinkToEmbedMenuItem extends MenuItem implements ActionListener // Menu LinkObject
	{
		public ConvertLinkToEmbedMenuItem()
		{
			super( "Convert link to embed", new MenuShortcut( KeyEvent.VK_M ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			actionRegister( CONVERT_LINK_TO_OBJECT, null );
		}
	}

	class ActivateOutplaceMenuItem extends MenuItem implements ActionListener // Menu ActiveteOutplace
	{
		public ActivateOutplaceMenuItem()
		{
			super( "Activate outplace", new MenuShortcut( KeyEvent.VK_A ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			actionRegister( ACTIVATE_OUTPLACE, null );
		}
	}

	class ActivateInplaceMenuItem extends MenuItem implements ActionListener // Menu ActivateInplace
	{
		public ActivateInplaceMenuItem()
		{
			super( "Activate inplace", new MenuShortcut( KeyEvent.VK_I ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			actionRegister( ACTIVATE_INPLACE, null );
		}
	}

	class DeactivateMenuItem extends MenuItem implements ActionListener // Menu Deactivate
	{
		public DeactivateMenuItem()
		{
			super( "Deactivate", new MenuShortcut( KeyEvent.VK_D ));
			addActionListener( this );
		}

		public void actionPerformed( ActionEvent e )
		{
			actionRegister( DEACTIVATE, null );
		}
	}

	// Helper methods
	public XEmbeddedObject createEmbedObject( String aServiceName )
	{
		XEmbeddedObject xEmbObj = null;
		byte[] pClassID = new byte[16];

		if ( aServiceName.equals( "com.sun.star.comp.Writer.TextDocument" ) )
		{
			int[] pTempClassID = { 0x8B, 0xC6, 0xB1, 0x65, 0xB1, 0xB2, 0x4E, 0xDD,
									0xAA, 0x47, 0xDA, 0xE2, 0xEE, 0x68, 0x9D, 0xD6 };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "com.sun.star.comp.Writer.GlobalDocument" ) )
		{
			int[] pTempClassID = { 0xB2, 0x1A, 0x0A, 0x7C, 0xE4, 0x03, 0x41, 0xFE,
									0x95, 0x62, 0xBD, 0x13, 0xEA, 0x6F, 0x15, 0xA0 };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "com.sun.star.comp.Writer.WebDocument" ) )
		{
			int[] pTempClassID = { 0xA8, 0xBB, 0xA6, 0x0C, 0x7C, 0x60, 0x45, 0x50,
									0x91, 0xCE, 0x39, 0xC3, 0x90, 0x3F, 0xAC, 0x5E };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "com.sun.star.comp.Calc.SpreadsheetDocument" ) )
		{
			int[] pTempClassID = { 0x47, 0xBB, 0xB4, 0xCB, 0xCE, 0x4C, 0x4E, 0x80,
									0xA5, 0x91, 0x42, 0xD9, 0xAE, 0x74, 0x95, 0x0F };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "com.sun.star.comp.Draw.PresentationDocument" ) )
		{
			int[] pTempClassID = { 0x91, 0x76, 0xE4, 0x8A, 0x63, 0x7A, 0x4D, 0x1F,
									0x80, 0x3B, 0x99, 0xD9, 0xBF, 0xAC, 0x10, 0x47 };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "com.sun.star.comp.Draw.DrawingDocument" ) )
		{
			int[] pTempClassID = { 0x4B, 0xAB, 0x89, 0x70, 0x8A, 0x3B, 0x45, 0xB3,
									0x99, 0x1C, 0xCB, 0xEE, 0xAC, 0x6B, 0xD5, 0xE3 };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "com.sun.star.comp.Math.FormulaDocument" ) )
		{
			int[] pTempClassID = { 0x07, 0x8B, 0x7A, 0xBA, 0x54, 0xFC, 0x45, 0x7F,
									0x85, 0x51, 0x61, 0x47, 0xE7, 0x76, 0xA9, 0x97 };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}
		else if ( aServiceName.equals( "BitmapImage" ) )
		{
			int[] pTempClassID = { 0xD3, 0xE3, 0x4B, 0x21, 0x9D, 0x75, 0x10, 0x1A,
									0x8C, 0x3D, 0x00, 0xAA, 0x00, 0x1A, 0x16, 0x52 };
			for ( int ind = 0; ind < 16; ind++ )
				pClassID[ind] = (byte)pTempClassID[ind];
		}

		if ( pClassID != null )
		{
			// create embedded object based on the class ID
			try {
				Object oEmbedCreator = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectCreator" );
				XEmbedObjectCreator xEmbedCreator = (XEmbedObjectCreator)UnoRuntime.queryInterface(
																						XEmbedObjectCreator.class,
																						oEmbedCreator );
				if ( xEmbedCreator != null )
				{
					Object oEmbObj = xEmbedCreator.createInstanceInitNew( pClassID,
																		"Dummy name",
																		m_xStorage,
																		"EmbedSub",
																		new PropertyValue[0] );
					xEmbObj = (XEmbeddedObject)UnoRuntime.queryInterface( XEmbeddedObject.class, oEmbObj );
				}
				else
					JOptionPane.showMessageDialog( m_aFrame,
												   "Can't create EmbedCreator!",
												   "Error:",
												   JOptionPane.ERROR_MESSAGE );
			}
			catch( Exception e )
			{
				JOptionPane.showMessageDialog( m_aFrame, e, "Exception in createInstanceInitNew():", JOptionPane.ERROR_MESSAGE );
			}
		}
		else
			JOptionPane.showMessageDialog( m_aFrame, "Can't retrieve class ID!", "Error:", JOptionPane.ERROR_MESSAGE );

		return xEmbObj;
	}

	public XEmbeddedObject createLinkObject( String aLinkURL )
	{
		XEmbeddedObject xEmbObj = null;

		try {
			Object oLinkCreator = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectCreator" );
			XLinkCreator xLinkCreator = (XLinkCreator)UnoRuntime.queryInterface(
																					XLinkCreator.class,
																					oLinkCreator );
			if ( xLinkCreator != null )
			{
				PropertyValue[] aMedDescr = { new PropertyValue(), new PropertyValue() };
				aMedDescr[0].Name = "URL";
				aMedDescr[0].Value = (Object) aLinkURL;
				aMedDescr[1].Name = "ReadOnly";
				aMedDescr[1].Value = (Object) new Boolean( false );
				Object oEmbObj = xLinkCreator.createInstanceLink( m_xStorage, "EmbedSub", aMedDescr, new PropertyValue[0] );
				xEmbObj = (XEmbeddedObject)UnoRuntime.queryInterface( XEmbeddedObject.class, oEmbObj );
			}
			else
				JOptionPane.showMessageDialog( m_aFrame,
											   "Can't create LinkCreator!",
											   "Error:",
											   JOptionPane.ERROR_MESSAGE );
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in createLinkObject():", JOptionPane.ERROR_MESSAGE );
		}


		return xEmbObj;
	}


	public XEmbeddedObject loadEmbedObject( String aFileURI )
	{
		XEmbeddedObject xEmbObj = null;
		try {
			Object oEmbedCreator = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectCreator" );
			XEmbedObjectCreator xEmbedCreator = (XEmbedObjectCreator)UnoRuntime.queryInterface(
																					XEmbedObjectCreator.class,
																					oEmbedCreator );
			if ( xEmbedCreator != null )
			{
				PropertyValue[] aMedDescr = { new PropertyValue(), new PropertyValue() };
				aMedDescr[0].Name = "URL";
				aMedDescr[0].Value = (Object) aFileURI;
				aMedDescr[1].Name = "ReadOnly";
				aMedDescr[1].Value = (Object) new Boolean( false );
				Object oEmbObj = xEmbedCreator.createInstanceInitFromMediaDescriptor( m_xStorage,
																					"EmbedSub",
																					aMedDescr,
																					new PropertyValue[0] );
				xEmbObj = (XEmbeddedObject)UnoRuntime.queryInterface( XEmbeddedObject.class, oEmbObj );
			}
			else
				JOptionPane.showMessageDialog( m_aFrame,
											   "Can't create EmbedFactory!",
											   "Error:",
											   JOptionPane.ERROR_MESSAGE );
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in loadEmbedObject():", JOptionPane.ERROR_MESSAGE );
		}

		return xEmbObj;
	}

	public void clearObjectAndStorage()
	{
		synchronized( m_oImageLock )
		{
			m_aImage = null;
		}

		m_nXScaling = 1;
		m_nYScaling = 1;
		m_nXPixelSize = 1;
		m_nYPixelSize = 1;

		m_bOwnFile = false;

		m_aLinkURI = null;
		m_bLinkObj = false;

		if ( m_xEmbedObj != null )
		{
			try {
				XCloseable xClose = (XCloseable)UnoRuntime.queryInterface( XCloseable.class, m_xEmbedObj );
				if ( xClose != null )
					xClose.close( true );
			}
			catch ( Exception ex )
			{}
			m_xEmbedObj = null;
		}

		if ( m_xStorage != null )
		{
			try {
				XComponent xComponent = (XComponent)UnoRuntime.queryInterface( XComponent.class, m_xStorage );
				if ( xComponent != null )
					xComponent.dispose();
			}
			catch ( Exception ex )
			{}
			m_xStorage = null;
		}
	}

	public XStorage createTempStorage()
	{
		XStorage xTempStorage = null;

		try {
			Object oStorageFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.StorageFactory" );
			XSingleServiceFactory xStorageFactory = (XSingleServiceFactory)UnoRuntime.queryInterface(
																						XSingleServiceFactory.class,
																						oStorageFactory );
			if ( xStorageFactory != null )
			{
				Object oStorage = xStorageFactory.createInstance();
				xTempStorage = (XStorage)UnoRuntime.queryInterface( XStorage.class, oStorage );
			}
			else
				JOptionPane.showMessageDialog( m_aFrame,
												"Can't create StorageFactory!",
												"Error:",
												JOptionPane.ERROR_MESSAGE );
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in createTempStorage():", JOptionPane.ERROR_MESSAGE );
		}

		return xTempStorage;
	}

	public void saveObjectAsFileURI( String aFileURI )
	{
		try {
			Object oStorageFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.StorageFactory" );
			XSingleServiceFactory xStorageFactory = (XSingleServiceFactory)UnoRuntime.queryInterface(
																						XSingleServiceFactory.class,
																						oStorageFactory );
			if ( xStorageFactory != null )
			{
				XEmbedPersist xPersist = (XEmbedPersist)UnoRuntime.queryInterface( XEmbedPersist.class, m_xEmbedObj );
				if ( xPersist != null )
				{
					Object aArgs[] = new Object[2];
					aArgs[0] = aFileURI;
					aArgs[1] = new Integer( ElementModes.ELEMENT_READWRITE );

					Object oStorage = xStorageFactory.createInstanceWithArguments( aArgs );
					XStorage xTargetStorage = (XStorage)UnoRuntime.queryInterface( XStorage.class, oStorage );

					PropertyValue aProps[] = { new PropertyValue() };
					aProps[0].Name = "StoreVisualReplacement";
					aProps[0].Value = new Boolean( m_bStoreVisRepl );

					xPersist.storeAsEntry( xTargetStorage, "EmbedSub", new PropertyValue[0], aProps );
					xPersist.saveCompleted( true );

					// the object must be already based on new storage
					XComponent xComponent = (XComponent)UnoRuntime.queryInterface( XComponent.class, m_xStorage );
					xComponent.dispose();

					m_xStorage = xTargetStorage;
					m_bOwnFile = true;

					XTransactedObject xTransact = (XTransactedObject)UnoRuntime.queryInterface( XTransactedObject.class,
																							m_xStorage );
					if ( xTransact != null )
						xTransact.commit();
				}
				else
					JOptionPane.showMessageDialog( m_aFrame, "No XEmbedPersist!", "Error:", JOptionPane.ERROR_MESSAGE );
			}
			else
				JOptionPane.showMessageDialog( m_aFrame,
												"Can't create StorageFactory!",
												"Error:",
												JOptionPane.ERROR_MESSAGE );
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in saveStorageToFileURI():", JOptionPane.ERROR_MESSAGE );
		}

	}

	public void loadFileURI( String aFileURI )
	{
		try
		{
			Object oStorageFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.StorageFactory" );
			XSingleServiceFactory xStorageFactory = (XSingleServiceFactory)UnoRuntime.queryInterface(
																						XSingleServiceFactory.class,
																						oStorageFactory );
			Object aArgs[] = new Object[2];
			aArgs[0] = aFileURI;
			aArgs[1] = new Integer( ElementModes.ELEMENT_READWRITE );

			Object oStorage = xStorageFactory.createInstanceWithArguments( aArgs );
			XStorage xTargetStorage = (XStorage)UnoRuntime.queryInterface( XStorage.class, oStorage );

			Object oEmbedCreator = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectCreator" );
			XEmbedObjectCreator xEmbedCreator = (XEmbedObjectCreator)UnoRuntime.queryInterface(
																					XEmbedObjectCreator.class,
																					oEmbedCreator );

			XNameAccess xNameAccess = (XNameAccess)UnoRuntime.queryInterface( XNameAccess.class,
																			xTargetStorage );
			if ( xNameAccess == null )
			{
				JOptionPane.showMessageDialog( m_aFrame, "No XNameAccess!", "Error:", JOptionPane.ERROR_MESSAGE );
				return;
			}

			Object oEmbObj = null;
			if ( xNameAccess.hasByName( "LinkName" ) && xTargetStorage.isStreamElement( "LinkName" ) )
			{
			/*
				// AOO links will not be tested until they have correct persistence
				XStream xLinkStream = xTargetStorage.openStreamElement( "LinkName", ElementModes.ELEMENT_READ );
				if ( xLinkStream != null )
				{
					XInputStream xInStream = xLinkStream.getInputStream();
					if ( xInStream != null )
					{
						byte[][] pBuff = new byte[1][0];
						int nRead = xInStream.readBytes( pBuff, 1000 );
						m_aLinkURI = new String( pBuff[0] );
						xInStream.closeInput();
						oEmbObj = xEmbedCreator.createInstanceLink( m_aLinkURI );
						m_bLinkObj = true;
					}
				}
			*/
			}
			else
				oEmbObj = xEmbedCreator.createInstanceInitFromEntry( xTargetStorage,
																	"EmbedSub",
																	false,
																	new PropertyValue[0] );

			m_xEmbedObj = (XEmbeddedObject)UnoRuntime.queryInterface( XEmbeddedObject.class, oEmbObj );

			if ( m_xEmbedObj != null )
			{
				m_xStorage = xTargetStorage;
				m_bOwnFile = true;
			}
			else
				JOptionPane.showMessageDialog( m_aFrame,
											   "Can't create EmbedObject from storage!",
											   "Error:",
											   JOptionPane.ERROR_MESSAGE );
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in loadFileURI():", JOptionPane.ERROR_MESSAGE );
		}
	}

	public void storeLinkToStorage()
	{
		if ( m_xStorage != null && m_bLinkObj )
		{
			try {
				XStream xLinkStream = m_xStorage.openStreamElement( "LinkName", ElementModes.ELEMENT_WRITE );

				if ( xLinkStream != null )
				{
					XOutputStream xLinkOutStream = xLinkStream.getOutputStream();
					XTruncate xTruncate = (XTruncate) UnoRuntime.queryInterface( XTruncate.class,
																			 	xLinkOutStream );
					if ( xLinkOutStream != null && xTruncate != null )
					{
						xTruncate.truncate();

						char[] aLinkChar = m_aLinkURI.toCharArray();
						byte[] aLinkBytes = new byte[ aLinkChar.length ];
						for ( int ind = 0; ind < aLinkChar.length; ind++ )
							aLinkBytes[ind] = (byte)aLinkChar[ind];

						xLinkOutStream.writeBytes( aLinkBytes );
						xLinkOutStream.closeOutput();

						XComponent xComponent = (XComponent) UnoRuntime.queryInterface( XComponent.class,
																						xLinkStream );
						if ( xComponent != null )
							xComponent.dispose();
					}
					else
						JOptionPane.showMessageDialog( m_aFrame,
														"The substream can not be truncated or written!",
														"Error:",
														JOptionPane.ERROR_MESSAGE );

				}
				else
					JOptionPane.showMessageDialog( m_aFrame,
													"Can't create/open substream!",
													"Error:",
													JOptionPane.ERROR_MESSAGE );
			}
			catch( Exception e )
			{
				JOptionPane.showMessageDialog( m_aFrame,
											e,
											"Exception in storeLinkToStorage:",
											JOptionPane.ERROR_MESSAGE );

			}
		}
	}

	public void storeLinkAsFileURI( String aFileURI )
	{
		try {
			Object oStorageFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.StorageFactory" );
			XSingleServiceFactory xStorageFactory = (XSingleServiceFactory)UnoRuntime.queryInterface(
																						XSingleServiceFactory.class,
																						oStorageFactory );
			if ( xStorageFactory != null )
			{
				Object aArgs[] = new Object[2];
				aArgs[0] = aFileURI;
				aArgs[1] = new Integer( ElementModes.ELEMENT_READWRITE );

				Object oStorage = xStorageFactory.createInstanceWithArguments( aArgs );
				XStorage xTargetStorage = (XStorage)UnoRuntime.queryInterface( XStorage.class, oStorage );

				XComponent xComponent = (XComponent)UnoRuntime.queryInterface( XComponent.class, m_xStorage );
				xComponent.dispose();

				m_xStorage = xTargetStorage;
				m_bOwnFile = true;

				storeLinkToStorage();

				XTransactedObject xTransact = (XTransactedObject)UnoRuntime.queryInterface( XTransactedObject.class,
																							m_xStorage );
				if ( xTransact != null )
					xTransact.commit();
			}
			else
				JOptionPane.showMessageDialog( m_aFrame,
												"Can't create StorageFactory!",
												"Error:",
												JOptionPane.ERROR_MESSAGE );
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in saveStorageToFileURI():", JOptionPane.ERROR_MESSAGE );
		}
	}

	public String getValidURL( String sFileURL )
	{
		// m_xTransformer must be set!
		URL[] aURLs = { new URL() };
		aURLs[0].Complete = sFileURL;

		try {
			if ( !m_xTransformer.parseSmart( aURLs, "" ) )
				throw new Exception();
		}
		catch( Exception e )
		{
			JOptionPane.showMessageDialog( m_aFrame, e, "Exception in getValidURL():", JOptionPane.ERROR_MESSAGE );
		}

		return aURLs[0].Complete;
	}

	public void disposeObject()
	{
		// TODO:
		// usage of object, storage and bitmap painter should be locked
		// but since possibility of rasecondition is very low
		// it is not really required for testing application

		clearObjectAndStorage();

		if ( m_aBitmapPainter != null )
		{
			m_aBitmapPainter.disconnectListener();
			m_aBitmapPainter = null;
		}
	}
}