/* -*- Mode: C++; 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 .
 */

#include "commoncontrol.hxx"
#include "pcrcommon.hxx"
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/combobox.hxx>
#include <toolkit/helper/vclunohelper.hxx>

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

    using ::com::sun::star::uno::RuntimeException;
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::inspection::XPropertyControlContext;
    using ::com::sun::star::awt::XWindow;
    using ::com::sun::star::uno::Exception;
    using ::com::sun::star::inspection::XPropertyControl;

    //==================================================================
    //= ControlHelper
    //==================================================================
    //------------------------------------------------------------------
    ControlHelper::ControlHelper( Window* _pControlWindow, sal_Int16 _nControlType, XPropertyControl& _rAntiImpl, IModifyListener* _pModifyListener )
        :m_pControlWindow( _pControlWindow )
        ,m_nControlType( _nControlType )
        ,m_rAntiImpl( _rAntiImpl )
        ,m_pModifyListener( _pModifyListener )
        ,m_bModified( sal_False )
    {
        DBG_ASSERT( m_pControlWindow != NULL, "ControlHelper::ControlHelper: invalid window!" );
    }

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

    //--------------------------------------------------------------------
    ::sal_Int16 SAL_CALL ControlHelper::getControlType() throw (RuntimeException)
    {
        return m_nControlType;
    }

    //--------------------------------------------------------------------
    Reference< XPropertyControlContext > SAL_CALL ControlHelper::getControlContext() throw (RuntimeException)
    {
        return m_xContext;
    }

    //--------------------------------------------------------------------
    void SAL_CALL ControlHelper::setControlContext( const Reference< XPropertyControlContext >& _controlcontext ) throw (RuntimeException)
    {
        m_xContext = _controlcontext;
    }

    //--------------------------------------------------------------------
    Reference< XWindow > SAL_CALL ControlHelper::getControlWindow() throw (RuntimeException)
    {
        return VCLUnoHelper::GetInterface( m_pControlWindow );
    }

    //--------------------------------------------------------------------
    ::sal_Bool SAL_CALL ControlHelper::isModified(  ) throw (RuntimeException)
    {
        return m_bModified;
    }

    //--------------------------------------------------------------------
    void SAL_CALL ControlHelper::notifyModifiedValue(  ) throw (RuntimeException)
    {
        if ( isModified() && m_xContext.is() )
        {
            try
            {
                m_xContext->valueChanged( &m_rAntiImpl );
                m_bModified = sal_False;
            }
            catch( const Exception& )
            {
                DBG_UNHANDLED_EXCEPTION();
            }
        }
    }

    //------------------------------------------------------------------
    void SAL_CALL ControlHelper::dispose()
    {
        DELETEZ( m_pControlWindow );
    }

    //------------------------------------------------------------------
    void ControlHelper::autoSizeWindow()
    {
        OSL_PRECOND( m_pControlWindow, "ControlHelper::autoSizeWindow: no window!" );
        if ( !m_pControlWindow )
            return;

        ComboBox aComboBox(m_pControlWindow, WB_DROPDOWN);
        aComboBox.SetPosSizePixel(Point(0,0), Size(100,100));
        m_pControlWindow->SetSizePixel(aComboBox.GetSizePixel());

        // TODO/UNOize: why do the controls this themselves? Shouldn't this be the task
        // of the browser listbox/line?
    }

    //------------------------------------------------------------------
    void ControlHelper::impl_activateNextControl_nothrow() const
    {
        try
        {
            if ( m_xContext.is() )
                m_xContext->activateNextControl( const_cast< XPropertyControl* >( &m_rAntiImpl ) );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }
    }

    //------------------------------------------------------------------
    bool ControlHelper::handlePreNotify(NotifyEvent& rNEvt)
    {
        if (EVENT_KEYINPUT == rNEvt.GetType())
        {
            const KeyCode& aKeyCode = rNEvt.GetKeyEvent()->GetKeyCode();
            sal_uInt16 nKey = aKeyCode.GetCode();

            if (nKey == KEY_RETURN && !aKeyCode.IsShift())
            {
                LoseFocusHdl(m_pControlWindow);
                impl_activateNextControl_nothrow();
                return true;
            }
        }
        return false;
    }

    //------------------------------------------------------------------
    IMPL_LINK( ControlHelper, ModifiedHdl, Window*, /*_pWin*/ )
    {
        if ( m_pModifyListener )
            m_pModifyListener->modified();
        return 0;
    }

    //------------------------------------------------------------------
    IMPL_LINK( ControlHelper, GetFocusHdl, Window*, /*_pWin*/ )
    {
        try
        {
            if ( m_xContext.is() )
                m_xContext->focusGained( &m_rAntiImpl );
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }
        return 0;
    }

    //------------------------------------------------------------------
    IMPL_LINK( ControlHelper, LoseFocusHdl, Window*, /*_pWin*/ )
    {
        // TODO/UNOize: should this be outside the default control's implementations? If somebody
        // has an own control implementation, which does *not* do this - would this be allowed?
        // If not, then we must move this logic out of here.
        notifyModifiedValue();
        return 0;
    }

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

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