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+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * 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 .
+ */
+
+import java.awt.*;
+import java.applet.*;
+import java.awt.event.*;
+import java.net.*;
+import java.io.*;
+
+import javax.swing.JOptionPane;
+
+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.lang.XComponent;
+
+import com.sun.star.beans.PropertyValue;
+
+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.util.XCloseable;
+
+import com.sun.star.embed.*;
+
+public class EmbedContApp extends Applet implements MouseListener, XEmbeddedClient
+{
+ private XMultiServiceFactory m_xServiceFactory;
+
+ private XEmbeddedObject m_xEmbedObj;
+ private XStorage m_xStorage;
+
+ private Frame m_aFrame;
+ private Menu m_aFileMenu;
+ private Menu m_aObjectMenu;
+ private Toolkit m_aToolkit;
+ private Image m_aImage;
+
+ private boolean m_bOwnFile = false;
+
+ private boolean m_bLinkObj = false;
+ private String m_aLinkURI;
+
+ public EmbedContApp( Frame aFrame, XMultiServiceFactory xServiceFactory )
+ {
+ m_aFrame = aFrame;
+ m_xServiceFactory = xServiceFactory;
+ }
+
+ public void init()
+ {
+ resize( 640, 480 );
+ setBackground( Color.gray );
+
+ m_aToolkit = Toolkit.getDefaultToolkit();
+
+ // 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 );
+
+ // Handle mouse clicks in our window.
+ addMouseListener( this );
+ }
+
+ public void update( Graphics g )
+ {
+ paint( g );
+ }
+
+ public void paint( Graphics g )
+ {
+ super.paint( g );
+
+ if ( m_xEmbedObj != null )
+ {
+ synchronized( this )
+ {
+ if ( m_aImage != null )
+ g.drawImage( m_aImage, 0, 0, EmbedContApp.this );
+ }
+ }
+ }
+
+ public void generateNewImage()
+ {
+ if ( m_xEmbedObj != null )
+ {
+ try {
+ int nOldState = m_xEmbedObj.getCurrentState();
+ int nState = nOldState;
+ if ( nOldState == EmbedStates.LOADED )
+ {
+ m_xEmbedObj.changeState( EmbedStates.RUNNING );
+ nState = EmbedStates.RUNNING;
+ }
+
+ if ( nState == EmbedStates.ACTIVE || nState == EmbedStates.RUNNING )
+ {
+ XComponentSupplier xCompProv = (XComponentSupplier)UnoRuntime.queryInterface(
+ XComponentSupplier.class,
+ m_xEmbedObj );
+ if ( xCompProv != null )
+ {
+ XCloseable xComp = xCompProv.getComponent();
+ XTransferable xTransfer = (XTransferable)UnoRuntime.queryInterface(
+ XTransferable.class,
+ xComp );
+ if ( xTransfer != null )
+ {
+ DataFlavor aFlavor = new DataFlavor();
+ aFlavor.MimeType = "image/png";
+ aFlavor.HumanPresentableName = "Portable Network Graphics";
+ aFlavor.DataType = new Type( byte[].class );
+
+ byte[] aPNGData = (byte[])AnyConverter.toArray( xTransfer.getTransferData( aFlavor ) );
+ if ( aPNGData != null && aPNGData.length != 0 )
+ {
+ synchronized( this )
+ {
+ m_aImage = m_aToolkit.createImage( aPNGData );
+ }
+ }
+ }
+ 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 )
+ {
+ // activate object if exists and not active
+ if ( m_xEmbedObj != null )
+ {
+ try {
+ m_xEmbedObj.changeState( EmbedStates.ACTIVE );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame, ex, "Exception on mouse click", JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+
+ public void mousePressed( MouseEvent e ){};
+ public void mouseEntered( MouseEvent e ){};
+ public void mouseExited( MouseEvent e ){};
+ public void mouseReleased( MouseEvent e ){};
+
+ // 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
+ }
+
+ class NewMenuItem extends MenuItem implements ActionListener // Menu New
+ {
+ public NewMenuItem()
+ {
+ super( "New", new MenuShortcut( KeyEvent.VK_A ));
+ addActionListener( this );
+ }
+
+ public void actionPerformed( ActionEvent e )
+ {
+ // clear everything
+ clearObjectAndStorage();
+
+ repaint();
+ }
+ }
+
+ class SaveAsMenuItem extends MenuItem implements ActionListener // Menu SaveAs...
+ {
+ public SaveAsMenuItem()
+ {
+ super( "SaveAs..." );
+ addActionListener( this );
+ }
+
+ public void actionPerformed( ActionEvent e )
+ {
+ // open SaveAs dialog and store
+
+ 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 = aFile.toURI().toASCIIString();
+ try {
+ saveObject();
+
+ if ( m_bLinkObj )
+ storeLinkToStorage();
+
+ saveStorageAsFileURI( aFileURI );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception in SaveAsMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+ else
+ JOptionPane.showMessageDialog( m_aFrame, "No document is embedded!", "Error:", JOptionPane.ERROR_MESSAGE );
+ }
+ }
+
+ class OpenFileMenuItem extends MenuItem implements ActionListener // Menu Open
+ {
+ public OpenFileMenuItem()
+ {
+ super( "Open", new MenuShortcut( KeyEvent.VK_C ));
+ addActionListener( this );
+ }
+
+ public void actionPerformed( ActionEvent e )
+ {
+ // clear everything
+ clearObjectAndStorage();
+
+ // 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 = aFile.toURI().toASCIIString();
+
+ // load from specified file
+ loadFileURI( aFileURI );
+
+ if ( m_xEmbedObj != null )
+ {
+ try {
+ m_xEmbedObj.setClientSite( EmbedContApp.this );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception in OpenFileMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+
+ generateNewImage();
+ repaint();
+ }
+ }
+
+ 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 owned file!",
+ "Error:",
+ JOptionPane.ERROR_MESSAGE );
+ return;
+ }
+
+ try {
+ saveObject();
+
+ if ( m_bLinkObj )
+ storeLinkToStorage();
+
+ XTransactedObject xTransact = (XTransactedObject)UnoRuntime.queryInterface( XTransactedObject.class,
+ m_xStorage );
+ if ( xTransact != null )
+ xTransact.commit();
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception during save operation in SaveMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ else
+ {
+ 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 = aFile.toURI().toASCIIString();
+ try {
+ saveObject();
+
+ if ( m_bLinkObj )
+ storeLinkToStorage();
+
+ saveStorageAsFileURI( aFileURI );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception during 'save as' operation in SaveMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+ }
+ 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 )
+ {
+ // remove current object an init a new one
+ clearObjectAndStorage();
+
+ 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" };
+
+ String selectedValue = (String)JOptionPane.showInputDialog( null, "DocumentType", "Select",
+ JOptionPane.INFORMATION_MESSAGE, null,
+ possibleValues, possibleValues[0] );
+
+ if ( selectedValue != null )
+ {
+ m_xStorage = createTempStorage();
+
+ if ( m_xStorage != null )
+ m_xEmbedObj = createEmbedObject( selectedValue );
+ else
+ JOptionPane.showMessageDialog( m_aFrame,
+ "Can't create temporary storage!",
+ "Error:",
+ JOptionPane.ERROR_MESSAGE );
+
+
+ if ( m_xEmbedObj != null )
+ {
+ try {
+ m_xEmbedObj.setClientSite( EmbedContApp.this );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception in NewObjectMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+
+ generateNewImage();
+ repaint();
+ }
+ }
+
+ 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 )
+ {
+ // first remove current object
+ clearObjectAndStorage();
+
+ // 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 = aFile.toURI().toASCIIString();
+ m_xStorage = createTempStorage();
+
+ if ( m_xStorage != null )
+ m_xEmbedObj = loadEmbedObject( aFileURI );
+
+ if ( m_xEmbedObj != null )
+ {
+ try {
+ m_xEmbedObj.setClientSite( EmbedContApp.this );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception in LoadObjectMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+
+ generateNewImage();
+ repaint();
+ }
+ }
+
+ 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 )
+ {
+ // first remove current object
+ clearObjectAndStorage();
+
+ // 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 )
+ {
+ m_xStorage = createTempStorage();
+
+ String aFileName = aFileDialog.getDirectory() + aFileDialog.getFile();
+ File aFile = new File( aFileName );
+ if ( aFile != null )
+ {
+ // create object from specified file
+ String aFileURI = aFile.toURI().toASCIIString();
+
+ m_xEmbedObj = createLinkObject( aFileURI );
+
+ if ( m_xEmbedObj != null )
+ {
+ m_aLinkURI = aFileURI;
+ m_bLinkObj = true;
+
+ try {
+ m_xEmbedObj.setClientSite( EmbedContApp.this );
+ }
+ catch( Exception ex )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ ex,
+ "Exception in LinkObjectMenuItem:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+
+ generateNewImage();
+ repaint();
+ }
+ }
+
+ 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 )
+ {
+ if ( !m_bLinkObj )
+ {
+ JOptionPane.showMessageDialog( m_aFrame, "The object is not a link!", "Error:", JOptionPane.ERROR_MESSAGE );
+ return;
+ }
+
+ 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" );
+
+ XEmbedPersist xPersist = (XEmbedPersist)UnoRuntime.queryInterface( XEmbedPersist.class,
+ m_xEmbedObj );
+ if ( xPersist != null )
+ {
+ PropertyValue[] pEmp = new PropertyValue[0];
+ xPersist.setPersistentEntry( m_xStorage, "EmbedSub", EntryInitModes.NO_INIT, pEmp );
+ m_bLinkObj = false;
+ m_aLinkURI = null;
+ }
+ else
+ JOptionPane.showMessageDialog( m_aFrame,
+ "No XEmbedPersist in ConvertLink... !",
+ "Error:",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ catch( Exception e1 )
+ {
+ JOptionPane.showMessageDialog( m_aFrame,
+ e1,
+ "Exception in ConvertLinkToEmbed:try 1 :",
+ JOptionPane.ERROR_MESSAGE );
+ }
+ }
+ }
+ }
+ }
+
+ // 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];
+ }
+
+ if ( pClassID != null )
+ {
+ // create embedded object based on the class ID
+ try {
+ Object oEmbedFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectFactory" );
+ XEmbedObjectFactory xEmbedFactory = (XEmbedObjectFactory)UnoRuntime.queryInterface(
+ XEmbedObjectFactory.class,
+ oEmbedFactory );
+ if ( xEmbedFactory != null )
+ {
+ Object oEmbObj = xEmbedFactory.createInstanceInitNew( pClassID,
+ "Dummy name",
+ m_xStorage,
+ "EmbedSub" );
+ 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 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 oEmbedFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectFactory" );
+ XEmbedObjectFactory xEmbedFactory = (XEmbedObjectFactory)UnoRuntime.queryInterface(
+ XEmbedObjectFactory.class,
+ oEmbedFactory );
+ if ( xEmbedFactory != null )
+ {
+ Object oEmbObj = xEmbedFactory.createInstanceLink( aLinkURL );
+ 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 createLinkObject():", JOptionPane.ERROR_MESSAGE );
+ }
+
+
+ return xEmbObj;
+ }
+
+
+ public XEmbeddedObject loadEmbedObject( String aFileURI )
+ {
+ XEmbeddedObject xEmbObj = null;
+ try {
+ Object oEmbedFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectFactory" );
+ XEmbedObjectFactory xEmbedFactory = (XEmbedObjectFactory)UnoRuntime.queryInterface(
+ XEmbedObjectFactory.class,
+ oEmbedFactory );
+ if ( xEmbedFactory != null )
+ {
+ PropertyValue[] aMedDescr = { new PropertyValue(), new PropertyValue() };
+ aMedDescr[0].Name = "URL";
+ aMedDescr[0].Value = (Object) aFileURI;
+ aMedDescr[1].Name = "ReadOnly";
+ aMedDescr[1].Value = (Object) Boolean.FALSE;
+ Object oEmbObj = xEmbedFactory.createInstanceInitFromMediaDescriptor( m_xStorage,
+ "EmbedSub",
+ aMedDescr );
+ 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( this )
+ {
+ m_aImage = null;
+ }
+
+ m_bOwnFile = false;
+
+ m_aLinkURI = null;
+ m_bLinkObj = false;
+
+ if ( m_xEmbedObj != null )
+ {
+ try {
+ XComponent xComponent = (XComponent)UnoRuntime.queryInterface( XComponent.class, m_xEmbedObj );
+ if ( xComponent != null )
+ xComponent.dispose();
+ }
+ 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 saveStorageAsFileURI( 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] = Integer.valueOf( ElementModes.READWRITE );
+
+ Object oStorage = xStorageFactory.createInstanceWithArguments( aArgs );
+ XStorage xTargetStorage = (XStorage)UnoRuntime.queryInterface( XStorage.class, oStorage );
+ m_xStorage.copyToStorage( xTargetStorage );
+
+ XComponent xComponent = (XComponent)UnoRuntime.queryInterface( XComponent.class, m_xStorage );
+ xComponent.dispose();
+
+ m_xStorage = xTargetStorage;
+ m_bOwnFile = true;
+ }
+ 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] = Integer.valueOf( ElementModes.READWRITE );
+
+ Object oStorage = xStorageFactory.createInstanceWithArguments( aArgs );
+ XStorage xTargetStorage = (XStorage)UnoRuntime.queryInterface( XStorage.class, oStorage );
+
+ Object oEmbedFactory = m_xServiceFactory.createInstance( "com.sun.star.embed.EmbeddedObjectFactory" );
+ XEmbedObjectFactory xEmbedFactory = (XEmbedObjectFactory)UnoRuntime.queryInterface(
+ XEmbedObjectFactory.class,
+ oEmbedFactory );
+
+ 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" ) )
+ {
+ XStream xLinkStream = xTargetStorage.openStreamElement( "LinkName", ElementModes.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 = xEmbedFactory.createInstanceLink( m_aLinkURI );
+ m_bLinkObj = true;
+ }
+ }
+ }
+ else
+ oEmbObj = xEmbedFactory.createInstanceInitFromEntry( xTargetStorage,
+ "EmbedSub",
+ false );
+
+ 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.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 );
+
+ }
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 21:37:22 +0000