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| -rw-r--r-- | odk/examples/DevelopersGuide/Forms/DocumentBasedExample.java | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Forms/DocumentBasedExample.java b/odk/examples/DevelopersGuide/Forms/DocumentBasedExample.java new file mode 100644 index 000000000..34735221f --- /dev/null +++ b/odk/examples/DevelopersGuide/Forms/DocumentBasedExample.java @@ -0,0 +1,219 @@ +/* -*- 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 com.sun.star.uno.UnoRuntime; +import com.sun.star.uno.XComponentContext; +import com.sun.star.util.XCloseable; + +public abstract class DocumentBasedExample implements com.sun.star.lang.XEventListener +{ + /// the initial remote context from the office + protected XComponentContext m_xCtx; + /// our current test document + protected DocumentHelper m_document; + protected FormLayer m_formLayer; + private DocumentType m_documentType; + + /** Creates a new instance of DocumentBasedExample */ + public DocumentBasedExample( DocumentType documentType ) + { + bootstrapUNO(); + m_documentType = documentType; + } + + /* ------------------------------------------------------------------ */ + private void bootstrapUNO() + { + try + { + /* + final XComponentContext componentContext = com.sun.star.comp.helper.Bootstrap. + createInitialComponentContext( null ); + final XMultiComponentFactory localServiceManager = componentContext.getServiceManager(); + + final XUnoUrlResolver urlResolver = (XUnoUrlResolver) UnoRuntime.queryInterface( + XUnoUrlResolver.class, localServiceManager.createInstanceWithContext( + "com.sun.star.bridge.UnoUrlResolver", componentContext) ); + + final String connectStr = "uno:pipe,name=<pipename>;urp;StarOffice.ComponentContext"; + final Object initialObject = urlResolver.resolve( connectStr ); + + m_xCtx = (XComponentContext)UnoRuntime.queryInterface( XComponentContext.class, + initialObject ); + */ + + // get the remote office component context + m_xCtx = com.sun.star.comp.helper.Bootstrap.bootstrap(); + System.out.println("Connected to a running office ..."); + } + catch (java.lang.Exception e) + { + e.printStackTrace( System.err ); + System.exit(1); + } + } + + /* ------------------------------------------------------------------ */ + /** main method for running the sample + */ + public void run( String argv[] ) + { + try + { + // collect whatever parameters were given + collectParameters( argv ); + + // prepare our sample document + prepareDocument(); + + // switch the document view's form layer to alive mode + m_document.getCurrentView().toggleFormDesignMode(); + onFormsAlive(); + + // grab the focus to the first control + m_document.getCurrentView().grabControlFocus(); + + + // wait for the user to confirm that we can exit + if ( waitForUserInput() ) + { + // clean up + cleanUp(); + } + + // if waitForUserInput returns false, the user closed the document manually - no need to do a clean up + // then + } + catch(com.sun.star.uno.Exception e) + { + System.out.println(e); + e.printStackTrace(); + } + catch(java.lang.Exception e) + { + System.out.println(e); + e.printStackTrace(); + } + + System.exit(0); + } + + /* ------------------------------------------------------------------ */ + /** collect the RuntimeArguments + */ + private void collectParameters(String argv[]) + { + // not interested in. Derived classes may want to use it. + } + + /* ------------------------------------------------------------------ */ + /** prepares a new document to work with + */ + protected void prepareDocument() throws com.sun.star.uno.Exception, java.lang.Exception + { + m_document = DocumentHelper.blankDocument(m_xCtx, m_documentType); + m_document.getDocument( ).addEventListener( this ); + m_formLayer = new FormLayer( m_document ); + } + + /* ------------------------------------------------------------------ */ + /** called when the form layer has been switched to alive mode + */ + protected void onFormsAlive() + { + } + + /* ------------------------------------------------------------------ */ + /** performs any cleanup before exiting the program + */ + protected void cleanUp( ) throws java.lang.Exception + { + // do not listen at the document any longer + m_document.getDocument().removeEventListener( this ); + + // close the document + closeDocument(); + } + + /* ------------------------------------------------------------------ */ + /** closes our document, if we have an open one + */ + private void closeDocument() + { + try + { + // close our document + if ( m_document != null ) + { + XCloseable closeDoc = UnoRuntime.queryInterface( XCloseable.class, + m_document.getDocument() ); + if (closeDoc != null) + closeDoc.close( true ); + else + m_document.getDocument().dispose(); + } + } + catch ( com.sun.star.uno.Exception e ) + { + e.printStackTrace( System.err ); + } + } + + /* ------------------------------------------------------------------ */ + /* internal methods */ + /* ------------------------------------------------------------------ */ + /** waits for the user to press a key (on the console where she started + the java program) or the document to be closed by the user. + + @return <TRUE/> if the user pressed a key on the console, + <FALSE/> if she closed the document + */ + protected boolean waitForUserInput() throws java.lang.Exception + { + synchronized (this) + { + WaitForInput aWait = new WaitForInput( this ); + aWait.start(); + wait(); + + // if the waiter thread is done, the user pressed enter + boolean bKeyPressed = aWait.isDone(); + if ( !bKeyPressed ) + aWait.interrupt(); + + return bKeyPressed; + } + } + + /* ------------------------------------------------------------------ */ + /* XEventListener overridables */ + /* ------------------------------------------------------------------ */ + public void disposing( com.sun.star.lang.EventObject eventObject ) + { + if ( m_document.getDocument().equals( eventObject.Source ) ) + { + // notify ourself that we can stop waiting for user input + synchronized (this) + { + notify(); + } + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |