From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- .../EmbedDocument/Container1/EmbedContApp.java | 1044 ++++++++++++++++++++ 1 file changed, 1044 insertions(+) create mode 100644 odk/examples/java/EmbedDocument/Container1/EmbedContApp.java (limited to 'odk/examples/java/EmbedDocument/Container1/EmbedContApp.java') diff --git a/odk/examples/java/EmbedDocument/Container1/EmbedContApp.java b/odk/examples/java/EmbedDocument/Container1/EmbedContApp.java new file mode 100644 index 000000000..a275c27ea --- /dev/null +++ b/odk/examples/java/EmbedDocument/Container1/EmbedContApp.java @@ -0,0 +1,1044 @@ +/* -*- 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: */ -- cgit v1.2.3