extensions/source/propctrlr/propertycontrolextender.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "propertycontrolextender.hxx"
  22
  23 #include <com/sun/star/awt/KeyFunction.hpp>
  24
  25 #include <tools/diagnose_ex.h>
  26
  27
  28 namespace pcr
  29 {
  30
  31
  32     using ::com::sun::star::uno::Reference;
  33     using ::com::sun::star::uno::UNO_SET_THROW;
  34     using ::com::sun::star::uno::Exception;
  35     using ::com::sun::star::uno::RuntimeException;
  36     using ::com::sun::star::uno::Any;
  37     using ::com::sun::star::awt::XWindow;
  38     using ::com::sun::star::awt::KeyEvent;
  39     using ::com::sun::star::inspection::XPropertyControl;
  40     using ::com::sun::star::lang::EventObject;
  41     using ::com::sun::star::inspection::XPropertyControlContext;
  42
  43     namespace KeyFunction = ::com::sun::star::awt::KeyFunction;
  44
  45
  46     //= PropertyControlExtender_Data
  47
  48     struct PropertyControlExtender_Data
  49     {
  50         Reference< XPropertyControl >   xControl;
  51         Reference< XWindow >            xControlWindow;
  52     };
  53
  54
  55     //= PropertyControlExtender
  56
  57
  58     PropertyControlExtender::PropertyControlExtender( const Reference< XPropertyControl >& _rxObservedControl )
  59         :m_pData( new PropertyControlExtender_Data )
  60     {
  61         try
  62         {
  63             m_pData->xControl.set( _rxObservedControl, UNO_SET_THROW );
  64             m_pData->xControlWindow.set( m_pData->xControl->getControlWindow(), UNO_SET_THROW );
  65             m_pData->xControlWindow->addKeyListener( this );
  66         }
  67         catch( const Exception& )
  68         {
  69             DBG_UNHANDLED_EXCEPTION();
  70         }
  71     }
  72
  73
  74     PropertyControlExtender::~PropertyControlExtender()
  75     {
  76     }
  77
  78
  79     void SAL_CALL PropertyControlExtender::keyPressed( const KeyEvent& _event )
  80     {
  81         OSL_ENSURE( _event.Source == m_pData->xControlWindow, "PropertyControlExtender::keyPressed: where does this come from?" );
  82         if  (   ( _event.KeyFunc == KeyFunction::DELETE )
  83             &&  ( _event.Modifiers == 0 )
  84             )
  85         {
  86             try
  87             {
  88                 Reference< XPropertyControl > xControl( m_pData->xControl, UNO_SET_THROW );
  89
  90                 // reset the value
  91                 xControl->setValue( Any() );
  92
  93                 // and notify the change
  94                 // don't use XPropertyControl::notifyModifiedValue. It only notifies when the control content
  95                 // is recognized as being modified by the user, which is not the case, since we just modified
  96                 // it programmatically.
  97                 Reference< XPropertyControlContext > xControlContext( xControl->getControlContext(), UNO_SET_THROW );
  98                 xControlContext->valueChanged( xControl );
  99             }
 100             catch( const Exception& )
 101             {
 102                 DBG_UNHANDLED_EXCEPTION();
 103             }
 104         }
 105     }
 106
 107
 108     void SAL_CALL PropertyControlExtender::keyReleased( const KeyEvent& /*_event*/ )
 109     {
 110         // not interested in
 111     }
 112
 113
 114     void SAL_CALL PropertyControlExtender::disposing( const EventObject& Source )
 115     {
 116         OSL_ENSURE( Source.Source == m_pData->xControlWindow, "PropertyControlExtender::disposing: where does this come from?" );
 117         (void)Source.Source;
 118         m_pData->xControlWindow.clear();
 119         m_pData->xControl.clear();
 120     }
 121
 122
 123 } // namespace pcr
 124
 125
 126 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */