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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 com.sun.star.awt.XControl;
import com.sun.star.awt.XControlModel;
import com.sun.star.awt.XWindow;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
import com.sun.star.container.XIndexContainer;
import com.sun.star.form.FormComponentType;
import com.sun.star.form.XForm;
import com.sun.star.form.runtime.XFormController;
import com.sun.star.frame.XController;
import com.sun.star.frame.XDispatch;
import com.sun.star.frame.XDispatchProvider;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.util.URL;
import com.sun.star.util.XURLTransformer;
import com.sun.star.view.XControlAccess;
import com.sun.star.view.XFormLayerAccess;
/**************************************************************************/
/** provides a small wrapper around a document view
*/
class DocumentViewHelper
{
private XMultiServiceFactory m_orb;
private XController m_controller;
private DocumentHelper m_document;
/* ------------------------------------------------------------------ */
final protected XController getController()
{
return m_controller;
}
/* ------------------------------------------------------------------ */
final protected DocumentHelper getDocument()
{
return m_document;
}
/* ------------------------------------------------------------------ */
public DocumentViewHelper( XMultiServiceFactory orb, DocumentHelper document, XController controller )
{
m_orb = orb;
m_document = document;
m_controller = controller;
}
/* ------------------------------------------------------------------ */
/** Quick access to a given interface of the view
@param aInterfaceClass
the class of the interface which shall be returned
*/
private <T> T get( Class<T> aInterfaceClass )
{
return UnoRuntime.queryInterface( aInterfaceClass, m_controller );
}
/* ------------------------------------------------------------------ */
/** retrieves a dispatcher for the given URL, obtained at the current view of the document
@param aURL
a one-element array. The first element must contain a valid
<member scope="com.sun.star.util">URL::Complete</member> value. Upon return, the URL is correctly
parsed.
@return
the dispatcher for the URL in question
*/
private XDispatch getDispatcher( URL[] aURL ) throws java.lang.Exception
{
XDispatch xReturn = null;
// go get the current view
XController xController = get( XController.class );
// go get the dispatch provider of its frame
XDispatchProvider xProvider = UnoRuntime.queryInterface(
XDispatchProvider.class, xController.getFrame() );
if ( null != xProvider )
{
// need an URLTransformer
XURLTransformer xTransformer = UnoRuntime.queryInterface(
XURLTransformer.class, m_orb.createInstance( "com.sun.star.util.URLTransformer" ) );
xTransformer.parseStrict( aURL );
xReturn = xProvider.queryDispatch( aURL[0], "", 0 );
}
return xReturn;
}
/* ------------------------------------------------------------------ */
/* retrieves the form controller belonging to a given logical form
*/
public XFormController getFormController( Object _form )
{
XFormLayerAccess formLayer = get( XFormLayerAccess.class );
return formLayer.getFormController( UnoRuntime.queryInterface( XForm.class, _form ) );
}
/* ------------------------------------------------------------------ */
/** retrieves a control within the current view of a document
@param xModel
specifies the control model whose control should be located
@return
the control tied to the model
*/
private XControl getFormControl( XControlModel xModel ) throws com.sun.star.uno.Exception
{
// the current view of the document
XControlAccess xCtrlAcc = get( XControlAccess.class );
// delegate the task of looking for the control
return xCtrlAcc.getControl( xModel );
}
/* ------------------------------------------------------------------ */
public XControl getFormControl( Object aModel ) throws com.sun.star.uno.Exception
{
XControlModel xModel = UnoRuntime.queryInterface( XControlModel.class, aModel );
return getFormControl( xModel );
}
/* ------------------------------------------------------------------ */
public <T> T getFormControl( Object aModel, Class<T> aInterfaceClass ) throws com.sun.star.uno.Exception
{
XControlModel xModel = UnoRuntime.queryInterface( XControlModel.class, aModel );
return UnoRuntime.queryInterface( aInterfaceClass, getFormControl( xModel ) );
}
/* ------------------------------------------------------------------ */
/** toggles the design mode of the form layer of active view of our sample document
*/
protected void toggleFormDesignMode( ) throws java.lang.Exception
{
// get a dispatcher for the toggle URL
URL[] aToggleURL = new URL[] { new URL() };
aToggleURL[0].Complete = ".uno:SwitchControlDesignMode";
XDispatch xDispatcher = getDispatcher( aToggleURL );
// dispatch the URL - this will result in toggling the mode
PropertyValue[] aDummyArgs = new PropertyValue[] { };
xDispatcher.dispatch( aToggleURL[0], aDummyArgs );
}
/* ------------------------------------------------------------------ */
/** sets the focus to a specific control
@param xModel
a control model. The focus is set to that control which is part of our view
and associated with the given model.
*/
public void grabControlFocus( Object xModel ) throws com.sun.star.uno.Exception
{
// look for the control from the current view which belongs to the model
XControl xControl = getFormControl( xModel );
// the focus can be set to an XWindow only
XWindow xControlWindow = UnoRuntime.queryInterface( XWindow.class,
xControl );
// grab the focus
xControlWindow.setFocus();
}
/* ------------------------------------------------------------------ */
/** sets the focus to the first control
*/
protected void grabControlFocus( ) throws java.lang.Exception
{
// the forms container of our document
XIndexContainer xForms = UNO.queryIndexContainer( m_document.getFormComponentTreeRoot( ) );
// the first form
XIndexContainer xForm = UNO.queryIndexContainer( xForms.getByIndex( 0 ) );
// the first control model which is no FixedText (FixedText's can't have the focus)
for ( int i = 0; i<xForm.getCount(); ++i )
{
XPropertySet xControlProps = UNO.queryPropertySet( xForm.getByIndex( i ) );
if ( FormComponentType.FIXEDTEXT != ((Short)xControlProps.getPropertyValue( "ClassId" )).shortValue() )
{
XControlModel xControlModel = UnoRuntime.queryInterface(
XControlModel.class, xControlProps );
// set the focus to this control
grabControlFocus( xControlModel );
// outta here
break;
}
}
// Note that we simply took the first control model from the hierarchy. This does state nothing
// about the location of the respective control in the view. A control model is tied to a control
// shape, and the shapes are where the geometry information such as position and size is hung up.
// So you could easily have a document where the first control model is bound to a shape which
// has a greater ordinate than any other control model.
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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