/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_extensions.hxx"

#ifndef EXTENSIONS_PROPERTYCONTROLEXTENDER_HXX
#include "propertycontrolextender.hxx"
#endif

/** === begin UNO includes === **/
#include <com/sun/star/awt/KeyFunction.hpp>
/** === end UNO includes === **/

#include <tools/diagnose_ex.h>

//........................................................................
namespace pcr
{
//........................................................................

	/** === begin UNO using === **/
	using ::com::sun::star::uno::Reference;
	using ::com::sun::star::uno::XInterface;
	using ::com::sun::star::uno::UNO_QUERY;
	using ::com::sun::star::uno::UNO_QUERY_THROW;
	using ::com::sun::star::uno::UNO_SET_THROW;
	using ::com::sun::star::uno::Exception;
	using ::com::sun::star::uno::RuntimeException;
	using ::com::sun::star::uno::Any;
	using ::com::sun::star::uno::makeAny;
	using ::com::sun::star::uno::Sequence;
	using ::com::sun::star::uno::Type;
    using ::com::sun::star::awt::XWindow;
    using ::com::sun::star::awt::KeyEvent;
    using ::com::sun::star::inspection::XPropertyControl;
    using ::com::sun::star::lang::EventObject;
    using ::com::sun::star::inspection::XPropertyControlContext;
	/** === end UNO using === **/
    namespace KeyFunction = ::com::sun::star::awt::KeyFunction;

	//====================================================================
	//= PropertyControlExtender_Data
	//====================================================================
    struct PropertyControlExtender_Data
    {
        Reference< XPropertyControl >   xControl;
        Reference< XWindow >            xControlWindow;
    };

	//====================================================================
	//= PropertyControlExtender
	//====================================================================
	//--------------------------------------------------------------------
    PropertyControlExtender::PropertyControlExtender( const Reference< XPropertyControl >& _rxObservedControl )
        :m_pData( new PropertyControlExtender_Data )
    {
        try
        {
            m_pData->xControl.set( _rxObservedControl, UNO_SET_THROW );
            m_pData->xControlWindow.set( m_pData->xControl->getControlWindow(), UNO_SET_THROW );
            m_pData->xControlWindow->addKeyListener( this );
        }
        catch( const Exception& )
        {
        	DBG_UNHANDLED_EXCEPTION();
        }
    }

    //--------------------------------------------------------------------
    PropertyControlExtender::~PropertyControlExtender()
    {
    }

    //--------------------------------------------------------------------
    void SAL_CALL PropertyControlExtender::keyPressed( const KeyEvent& _event ) throw (RuntimeException)
    {
        OSL_ENSURE( _event.Source == m_pData->xControlWindow, "PropertyControlExtender::keyPressed: where does this come from?" );
        if  (   ( _event.KeyFunc == KeyFunction::DELETE )
            &&  ( _event.Modifiers == 0 )
            )
        {
            try
            {
                Reference< XPropertyControl > xControl( m_pData->xControl, UNO_SET_THROW );

                // reset the value
                xControl->setValue( Any() );

                // and notify the change
                // don't use XPropertyControl::notifyModifiedValue. It only notifies when the control content
                // is recognized as being modified by the user, which is not the case, since we just modified
                // it programmatically.
                Reference< XPropertyControlContext > xControlContext( xControl->getControlContext(), UNO_SET_THROW );
                xControlContext->valueChanged( xControl );
            }
            catch( const Exception& )
            {
            	DBG_UNHANDLED_EXCEPTION();
            }
        }
    }
    
    //--------------------------------------------------------------------
    void SAL_CALL PropertyControlExtender::keyReleased( const KeyEvent& /*_event*/ ) throw (RuntimeException)
    {
        // not interested in
    }
    
    //--------------------------------------------------------------------
    void SAL_CALL PropertyControlExtender::disposing( const EventObject& Source ) throw (RuntimeException)
    {
        OSL_ENSURE( Source.Source == m_pData->xControlWindow, "PropertyControlExtender::disposing: where does this come from?" );
        (void)Source.Source;
        m_pData->xControlWindow.clear();
        m_pData->xControl.clear();
    }


//........................................................................
} // namespace pcr
//........................................................................