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