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Diffstat (limited to 'odk/examples/DevelopersGuide/Forms/DocumentHelper.java')
| -rw-r--r-- | odk/examples/DevelopersGuide/Forms/DocumentHelper.java | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/Forms/DocumentHelper.java b/odk/examples/DevelopersGuide/Forms/DocumentHelper.java new file mode 100644 index 000000000000..85aab025d7bd --- /dev/null +++ b/odk/examples/DevelopersGuide/Forms/DocumentHelper.java @@ -0,0 +1,320 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +/**************************************************************************/ +import com.sun.star.uno.*; +import com.sun.star.lang.*; +import com.sun.star.util.*; +import com.sun.star.awt.*; +import com.sun.star.drawing.*; +import com.sun.star.frame.*; +import com.sun.star.form.*; +import com.sun.star.beans.*; +import com.sun.star.container.*; +import com.sun.star.container.*; + +/**************************************************************************/ +/** provides a small wrapper around a document +*/ +public class DocumentHelper +{ + /// the remote office context + protected XComponentContext m_remoteContext; + /// the remote service manager + protected XMultiServiceFactory m_orb; + protected XComponent m_documentComponent; + + /* ------------------------------------------------------------------ */ + public XComponent getDocument( ) + { + return m_documentComponent; + } + + /* ------------------------------------------------------------------ */ + public XComponentContext getContext( ) + { + return m_remoteContext; + } + + /* ------------------------------------------------------------------ */ + public XMultiServiceFactory getOrb( ) + { + return m_orb; + } + + /* ------------------------------------------------------------------ */ + public DocumentHelper( XComponentContext xContext, XComponent document ) + { + m_remoteContext = xContext; + m_orb = (XMultiServiceFactory)UnoRuntime.queryInterface( + XMultiServiceFactory.class, m_remoteContext.getServiceManager()); + m_documentComponent = document; + } + + /* ------------------------------------------------------------------ */ + protected static XComponent implCreateBlankDocument( XComponentContext xCtx, String factoryURL ) throws com.sun.star.uno.Exception + { + XComponentLoader aLoader = (XComponentLoader)UnoRuntime.queryInterface( + XComponentLoader.class, + xCtx.getServiceManager().createInstanceWithContext( + "com.sun.star.frame.Desktop", xCtx )); + + return UNO.queryComponent( + aLoader.loadComponentFromURL( factoryURL, "_blank", 0, new PropertyValue[ 0 ] ) + ); + } + + /* ------------------------------------------------------------------ */ + public static DocumentHelper blankTextDocument( XComponentContext xCtx ) throws com.sun.star.uno.Exception + { + return blankDocument( xCtx, DocumentType.WRITER ); + } + + /* ------------------------------------------------------------------ */ + public static DocumentHelper blankDocument( XComponentContext xCtx, DocumentType eType ) throws com.sun.star.uno.Exception + { + XComponent document = implCreateBlankDocument( xCtx, getDocumentFactoryURL( eType ) ); + if ( eType == DocumentType.CALC ) + return new SpreadsheetDocument( xCtx, document ); + + return new DocumentHelper( xCtx, document ); + } + + /* ------------------------------------------------------------------ */ + /** retrieves the current view of the document + @return + the view component, queried for the interface described by aInterfaceClass + */ + public DocumentViewHelper getCurrentView( ) + { + // get the model interface for the document + XModel xDocModel = (XModel)UnoRuntime.queryInterface(XModel.class, m_documentComponent ); + // get the current controller for the document - as a controller is tied to a view, + // this gives us the currently active view for the document. + XController xController = xDocModel.getCurrentController(); + + if ( classify() == DocumentType.CALC ) + return new SpreadsheetView( m_orb, this, xController ); + + return new DocumentViewHelper( m_orb, this, xController ); + } + + /* ------------------------------------------------------------------ */ + /** creates a new form which is a child of the given form components container + + @param xParentContainer + The parent container for the new form + @param sInitialName + The initial name of the form. May be null, in this case the default (which + is an implementation detail) applies. + */ + protected XIndexContainer createSubForm( XIndexContainer xParentContainer, String sInitialName ) + throws com.sun.star.uno.Exception + { + // create a new form + Object xNewForm = m_orb.createInstance( "com.sun.star.form.component.DataForm" ); + + // insert + xParentContainer.insertByIndex( xParentContainer.getCount(), xNewForm ); + + // set the name if necessary + if ( null != sInitialName ) + { + XPropertySet xFormProps = UNO.queryPropertySet( xNewForm ); + xFormProps.setPropertyValue( "Name", sInitialName ); + } + + // outta here + return (XIndexContainer)UnoRuntime.queryInterface( XIndexContainer.class, xNewForm ); + } + + /* ------------------------------------------------------------------ */ + /** creates a new form which is a child of the given form components container + + @param aParentContainer + The parent container for the new form + @param sInitialName + The initial name of the form. May be null, in this case the default (which + is an implementation detail) applies. + */ + public XIndexContainer createSubForm( Object aParentContainer, String sInitialName ) + throws com.sun.star.uno.Exception + { + XIndexContainer xParentContainer = (XIndexContainer)UnoRuntime.queryInterface( + XIndexContainer.class, aParentContainer ); + return createSubForm( xParentContainer, sInitialName ); + } + + /* ------------------------------------------------------------------ */ + /** creates a form which is a sibling of the given form + @param aForm + A sinbling of the to be created form. + + @param sInitialName + The initial name of the form. May be null, in this case the default (which + is an implementation detail) applies. + */ + public XIndexContainer createSiblingForm( Object aForm, String sInitialName ) throws com.sun.star.uno.Exception + { + // get the parent + XChild xAsChild = (XChild)UnoRuntime.queryInterface( XChild.class, aForm ); + XIndexContainer xContainer = (XIndexContainer)UnoRuntime.queryInterface( + XIndexContainer.class, xAsChild.getParent() );; + // append a new form to this parent container + return createSubForm( xContainer, sInitialName ); + } + + /* ------------------------------------------------------------------ */ + /** retrieves the document model which a given form component belongs to + */ + static public DocumentHelper getDocumentForComponent( Object aFormComponent, XComponentContext xCtx ) + { + XChild xChild = (XChild)UnoRuntime.queryInterface( XChild.class, aFormComponent ); + XModel xModel = null; + while ( ( null != xChild ) && ( null == xModel ) ) + { + XInterface xParent = (XInterface)xChild.getParent(); + xModel = (XModel)UnoRuntime.queryInterface( XModel.class, xParent ); + xChild = (XChild)UnoRuntime.queryInterface( XChild.class, xParent ); + } + + return new DocumentHelper( xCtx, xModel ); + } + + /* ------------------------------------------------------------------ */ + /** returns a URL which can be used to create a document of a certain type + */ + public static String getDocumentFactoryURL( DocumentType eType ) + { + if ( eType == DocumentType.WRITER ) + return "private:factory/swriter"; + if ( eType == DocumentType.CALC ) + return "private:factory/scalc"; + if ( eType == DocumentType.DRAWING ) + return "private:factory/sdraw"; + return "private:factory/swriter"; + } + + /* ------------------------------------------------------------------ */ + /** classifies a document + */ + public DocumentType classify( ) + { + XServiceInfo xSI = (XServiceInfo)UnoRuntime.queryInterface( + XServiceInfo.class, m_documentComponent ); + + if ( xSI.supportsService( "com.sun.star.text.TextDocument" ) ) + return DocumentType.WRITER; + else if ( xSI.supportsService( "com.sun.star.sheet.SpreadsheetDocument" ) ) + return DocumentType.CALC; + else if ( xSI.supportsService( "com.sun.star.drawing.DrawingDocument" ) ) + return DocumentType.DRAWING; + + return DocumentType.UNKNOWN; + } + /* ------------------------------------------------------------------ */ + /** retrieves a com.sun.star.drawing.DrawPage of the document, denoted by index + * @param index + * the index of the draw page<br/> + * @throws + * com.sun.star.lang.IndexOutOfBoundsException + * com.sun.star.lang.WrappedTargetException + */ + protected XDrawPage getDrawPage( int index ) throws com.sun.star.lang.IndexOutOfBoundsException, com.sun.star.lang.WrappedTargetException + { + XDrawPagesSupplier xSuppPages = (XDrawPagesSupplier)UnoRuntime.queryInterface( + XDrawPagesSupplier.class, getDocument() ); + XDrawPages xPages = xSuppPages.getDrawPages(); + + return (XDrawPage)UnoRuntime.queryInterface( XDrawPage.class, xPages.getByIndex( index ) ); + } + + /* ------------------------------------------------------------------ */ + /** retrieves the <type scope="com.sun.star.drawing">DrawPage</type> of the document + */ + protected XDrawPage getMainDrawPage( ) throws com.sun.star.uno.Exception + { + XDrawPage xReturn; + + // in case of a Writer document, this is rather easy: simply ask the XDrawPageSupplier + XDrawPageSupplier xSuppPage = (XDrawPageSupplier)UnoRuntime.queryInterface( + XDrawPageSupplier.class, getDocument() ); + if ( null != xSuppPage ) + xReturn = xSuppPage.getDrawPage(); + else + { // the model itself is no draw page supplier - okay, it may be a Writer or Calc document + // (or any other multi-page document) + XDrawPagesSupplier xSuppPages = (XDrawPagesSupplier)UnoRuntime.queryInterface( + XDrawPagesSupplier.class, getDocument() ); + XDrawPages xPages = xSuppPages.getDrawPages(); + + xReturn = (XDrawPage)UnoRuntime.queryInterface( XDrawPage.class, xPages.getByIndex( 0 ) ); + + // Note that this is no really error-proof code: If the document model does not support the + // XDrawPagesSupplier interface, or if the pages collection returned is empty, this will break. + } + + return xReturn; + } + + /* ------------------------------------------------------------------ */ + /** retrieves the root of the hierarchy of form components + */ + protected XNameContainer getFormComponentTreeRoot( ) throws com.sun.star.uno.Exception + { + XFormsSupplier xSuppForms = (XFormsSupplier)UnoRuntime.queryInterface( + XFormsSupplier.class, getMainDrawPage( ) ); + + XNameContainer xFormsCollection = null; + if ( null != xSuppForms ) + { + xFormsCollection = xSuppForms.getForms(); + } + return xFormsCollection; + } + + /* ------------------------------------------------------------------ */ + /** creates a component at the service factory provided by the document + */ + public XInterface createInstance( String serviceSpecifier ) throws com.sun.star.uno.Exception + { + XMultiServiceFactory xORB = (XMultiServiceFactory)UnoRuntime.queryInterface( XMultiServiceFactory.class, + m_documentComponent ); + return (XInterface)xORB.createInstance( serviceSpecifier ); + } + + /* ------------------------------------------------------------------ */ + /** creates a component at the service factory provided by the document + */ + public XInterface createInstanceWithArguments( String serviceSpecifier, Object[] arguments ) throws com.sun.star.uno.Exception + { + XMultiServiceFactory xORB = (XMultiServiceFactory)UnoRuntime.queryInterface( XMultiServiceFactory.class, + m_documentComponent ); + return (XInterface) xORB.createInstanceWithArguments( serviceSpecifier, arguments ); + } +}; + |