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::Any;
  36     using ::com::sun::star::awt::XWindow;
  37     using ::com::sun::star::awt::KeyEvent;
  38     using ::com::sun::star::inspection::XPropertyControl;
  39     using ::com::sun::star::lang::EventObject;
  40     using ::com::sun::star::inspection::XPropertyControlContext;
  41
  42     namespace KeyFunction = ::com::sun::star::awt::KeyFunction;
  43
  44
  45     //= PropertyControlExtender_Data
  46
  47     struct PropertyControlExtender_Data
  48     {
  49         Reference< XPropertyControl >   xControl;
  50         Reference< XWindow >            xControlWindow;
  51     };
  52
  53
  54     //= PropertyControlExtender
  55
  56
  57     PropertyControlExtender::PropertyControlExtender( const Reference< XPropertyControl >& _rxObservedControl )
  58         :m_pData( new PropertyControlExtender_Data )
  59     {
  60         try
  61         {
  62             m_pData->xControl.set( _rxObservedControl, UNO_SET_THROW );
  63             m_pData->xControlWindow.set( m_pData->xControl->getControlWindow(), UNO_SET_THROW );
  64             m_pData->xControlWindow->addKeyListener( this );
  65         }
  66         catch( const Exception& )
  67         {
  68             DBG_UNHANDLED_EXCEPTION("extensions.propctrlr");
  69         }
  70     }
  71
  72
  73     PropertyControlExtender::~PropertyControlExtender()
  74     {
  75     }
  76
  77
  78     void SAL_CALL PropertyControlExtender::keyPressed( const KeyEvent& _event )
  79     {
  80         OSL_ENSURE( _event.Source == m_pData->xControlWindow, "PropertyControlExtender::keyPressed: where does this come from?" );
  81         if  (   ( _event.KeyFunc == KeyFunction::DELETE )
  82             &&  ( _event.Modifiers == 0 )
  83             )
  84         {
  85             try
  86             {
  87                 Reference< XPropertyControl > xControl( m_pData->xControl, UNO_SET_THROW );
  88
  89                 // reset the value
  90                 xControl->setValue( Any() );
  91
  92                 // and notify the change
  93                 // don't use XPropertyControl::notifyModifiedValue. It only notifies when the control content
  94                 // is recognized as being modified by the user, which is not the case, since we just modified
  95                 // it programmatically.
  96                 Reference< XPropertyControlContext > xControlContext( xControl->getControlContext(), UNO_SET_THROW );
  97                 xControlContext->valueChanged( xControl );
  98             }
  99             catch( const Exception& )
 100             {
 101                 DBG_UNHANDLED_EXCEPTION("extensions.propctrlr");
 102             }
 103         }
 104     }
 105
 106
 107     void SAL_CALL PropertyControlExtender::keyReleased( const KeyEvent& /*_event*/ )
 108     {
 109         // not interested in
 110     }
 111
 112
 113     void SAL_CALL PropertyControlExtender::disposing( const EventObject& Source )
 114     {
 115         OSL_ENSURE( Source.Source == m_pData->xControlWindow, "PropertyControlExtender::disposing: where does this come from?" );
 116         (void)Source.Source;
 117         m_pData->xControlWindow.clear();
 118         m_pData->xControl.clear();
 119     }
 120
 121
 122 } // namespace pcr
 123
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */