/**************************************************************
 *
 * 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"
#include "browserline.hxx"

/** === begin UNO includes === **/
#include <com/sun/star/inspection/PropertyLineElement.hpp>
#include <com/sun/star/graphic/XGraphicProvider.hpp>
/** === end UNO includes === **/

#include <vcl/svapp.hxx>
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <tools/urlobj.hxx>
#include <toolkit/helper/vclunohelper.hxx>

#include <comphelper/processfactory.hxx>
#include <comphelper/componentcontext.hxx>

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

    /** === begin UNO using === **/
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::inspection::XPropertyControl;
    using ::com::sun::star::inspection::XPropertyControlContext;
    using ::com::sun::star::uno::UNO_QUERY_THROW;
    using ::com::sun::star::uno::Exception;
    using ::com::sun::star::graphic::XGraphicProvider;
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::beans::PropertyValue;
    using ::com::sun::star::graphic::XGraphic;
    /** === end UNO using === **/

    namespace PropertyLineElement = ::com::sun::star::inspection::PropertyLineElement;

    //==================================================================
	//= OBrowserLine
	//==================================================================
	DBG_NAME(OBrowserLine)
	//------------------------------------------------------------------

	OBrowserLine::OBrowserLine( const ::rtl::OUString& _rEntryName, Window* pParent )
			:m_sEntryName( _rEntryName )
            ,m_aFtTitle(pParent)
            ,m_pControlWindow( NULL )
            ,m_pBrowseButton(NULL)
            ,m_pAdditionalBrowseButton( NULL )
            ,m_pClickListener( NULL )
			,m_pTheParent(pParent)
			,m_nNameWidth(0)
            ,m_nEnableFlags( 0xFFFF )
            ,m_bIndentTitle( false )
            ,m_bReadOnly( false )
	{
		DBG_CTOR(OBrowserLine,NULL);
		m_aFtTitle.Show();
	}

    //------------------------------------------------------------------
	OBrowserLine::~OBrowserLine()
	{
        implHideBrowseButton( true, false );
        implHideBrowseButton( false, false );

		DBG_DTOR(OBrowserLine,NULL);
	}

	//------------------------------------------------------------------
	void OBrowserLine::IndentTitle( bool _bIndent )
    {
        if ( m_bIndentTitle != _bIndent )
        {
            m_bIndentTitle = _bIndent;
		    impl_layoutComponents();
        }
    }

	//------------------------------------------------------------------
	void OBrowserLine::SetComponentHelpIds( const rtl::OString& _rHelpId, const rtl::OString& _sPrimaryButtonId, const rtl::OString& _sSecondaryButtonId )
	{
        if ( m_pControlWindow )
            m_pControlWindow->SetHelpId( _rHelpId );

		if ( m_pBrowseButton )
		{
            m_pBrowseButton->SetHelpId( _rHelpId );
			m_pBrowseButton->SetUniqueId( _sPrimaryButtonId );

            if ( m_pAdditionalBrowseButton )
		    {
			    m_pAdditionalBrowseButton->SetHelpId( _rHelpId );
			    m_pAdditionalBrowseButton->SetUniqueId( _sSecondaryButtonId );
		    }
		}
	}

	//------------------------------------------------------------------
    void OBrowserLine::setControl( const Reference< XPropertyControl >& _rxControl )
	{
        m_xControl = _rxControl;
        m_pControlWindow = m_xControl.is() ? VCLUnoHelper::GetWindow( _rxControl->getControlWindow() ) : NULL;
        DBG_ASSERT( m_pControlWindow, "OBrowserLine::setControl: setting NULL controls/windows is not allowed!" );

        if ( m_pControlWindow )
        {
            m_pControlWindow->SetParent( m_pTheParent );
            m_pControlWindow->Show();
        }
		impl_layoutComponents();
	}

	//------------------------------------------------------------------
	Window* OBrowserLine::GetRefWindow()
	{
		Window* pRefWindow=&m_aFtTitle;

		if(m_pBrowseButton)
		{
			pRefWindow=(Window*)m_pBrowseButton;
		}
		else if ( m_pControlWindow )
		{
			pRefWindow = m_pControlWindow;
		}
		return pRefWindow;
	}

	//------------------------------------------------------------------
	void OBrowserLine::SetTabOrder(Window* pRefWindow, sal_uInt16 nFlags )
	{
		m_aFtTitle.SetZOrder(pRefWindow,nFlags);
		if ( m_pControlWindow )
			m_pControlWindow->SetZOrder( (Window*)&m_aFtTitle, WINDOW_ZORDER_BEHIND );

		if ( m_pBrowseButton )
			m_pBrowseButton->SetZOrder( m_pControlWindow, WINDOW_ZORDER_BEHIND );

        if ( m_pAdditionalBrowseButton )
            m_pAdditionalBrowseButton->SetZOrder( m_pBrowseButton, WINDOW_ZORDER_BEHIND );
	}

	//------------------------------------------------------------------
	sal_Bool OBrowserLine::GrabFocus()
	{
		sal_Bool bRes=sal_False;

		if ( m_pControlWindow && m_pControlWindow->IsEnabled() )
		{
			m_pControlWindow->GrabFocus();
			bRes = sal_True;
		}
		else if ( m_pAdditionalBrowseButton && m_pAdditionalBrowseButton->IsEnabled() )
		{
			m_pAdditionalBrowseButton->GrabFocus();
			bRes = sal_True;
		}
		else if ( m_pBrowseButton && m_pBrowseButton->IsEnabled() )
		{
			m_pBrowseButton->GrabFocus();
			bRes = sal_True;
		}
		return bRes;
	}

	//------------------------------------------------------------------
	void OBrowserLine::SetPosSizePixel( Point _rPos, Size _rSize )
	{
		m_aLinePos = _rPos;
		m_aOutputSize = _rSize;

        impl_layoutComponents();
	}

	//------------------------------------------------------------------
	void OBrowserLine::Show(sal_Bool bFlag)
	{
		m_aFtTitle.Show(bFlag);
		if ( m_pControlWindow )
			m_pControlWindow->Show( bFlag );
		if ( m_pBrowseButton )
			m_pBrowseButton->Show( bFlag );
		if ( m_pAdditionalBrowseButton )
			m_pAdditionalBrowseButton->Show( bFlag );
	}

	//------------------------------------------------------------------
	void OBrowserLine::Hide()
	{
		Show(sal_False);
	}

	//------------------------------------------------------------------
	sal_Bool OBrowserLine::IsVisible()
	{
		return m_aFtTitle.IsVisible();
	}

	//------------------------------------------------------------------
	void OBrowserLine::impl_layoutComponents()
	{
        {
		    Point aTitlePos( m_aLinePos.X(), m_aLinePos.Y() + 8 );
            Size aTitleSize( m_nNameWidth - 3, m_aOutputSize.Height() );

            if ( m_bIndentTitle )
            {
                Size aIndent( m_pTheParent->LogicToPixel( Size( 8, 0 ), MAP_APPFONT ) );
                aTitlePos.X() += aIndent.Width();
                aTitleSize.Width() -= aIndent.Width();
            }
    		m_aFtTitle.SetPosSizePixel( aTitlePos, aTitleSize );
        }

		sal_Int32 nBrowseButtonSize = m_aOutputSize.Height() - 4;

		if ( m_pControlWindow )
		{
            Point aControlPos( m_aLinePos.X() + m_nNameWidth, m_aLinePos.Y() + 2 );
			m_pControlWindow->SetPosPixel( aControlPos );

            Size aControlSize( m_aOutputSize.Width() - 4 - m_nNameWidth - nBrowseButtonSize - 4, m_pControlWindow->GetSizePixel().Height() );
            if ( m_pAdditionalBrowseButton )
                aControlSize.Width() -= nBrowseButtonSize + 4;
			m_pControlWindow->SetSizePixel( aControlSize );
		}

        if ( m_pBrowseButton )
		{
            Point aButtonPos( m_aOutputSize.Width() - 4 - nBrowseButtonSize, m_aLinePos.Y() + 2 );
            Size aButtonSize( nBrowseButtonSize, nBrowseButtonSize );
			m_pBrowseButton->SetPosSizePixel( aButtonPos, aButtonSize );

            if ( m_pAdditionalBrowseButton )
		    {
                aButtonPos.X() -= nBrowseButtonSize + 4;
			    m_pAdditionalBrowseButton->SetPosSizePixel( aButtonPos, aButtonSize );
		    }
		}
	}

	//------------------------------------------------------------------
	void OBrowserLine::SetTitle(const XubString& _rNewTtile )
	{
        if ( GetTitle() == _rNewTtile )
            return;
		// #99102# --------------
		m_aFtTitle.SetText( _rNewTtile );
        if ( m_pControlWindow )
            m_pControlWindow->SetAccessibleName( _rNewTtile );
        if ( m_pBrowseButton )
            m_pBrowseButton->SetAccessibleName( _rNewTtile );
		FullFillTitleString();
	}

	// #99102# ---------------------------------------------------------
	void OBrowserLine::FullFillTitleString()
	{
		if( m_pTheParent )
		{
			String aText = m_aFtTitle.GetText();

			while( m_pTheParent->GetTextWidth( aText ) < m_nNameWidth )
		                aText.AppendAscii("...........");

			// for Issue 69452
			if (Application::GetSettings().GetLayoutRTL())
			{
				sal_Unicode cRTL_mark = 0x200F;
				aText.Append(cRTL_mark);
			}

			m_aFtTitle.SetText(aText);
		}
	}

	//------------------------------------------------------------------
	XubString OBrowserLine::GetTitle() const
	{
        String sDisplayName = m_aFtTitle.GetText();

	// for Issue 69452
	if (Application::GetSettings().GetLayoutRTL())
	{
		sal_Unicode cRTL_mark = 0x200F;
		sDisplayName.EraseTrailingChars(cRTL_mark);
	}

        sDisplayName.EraseTrailingChars( '.' );

        return sDisplayName;
	}

    //------------------------------------------------------------------
    void OBrowserLine::SetReadOnly( bool _bReadOnly )
    {
        if ( m_bReadOnly != _bReadOnly )
        {
            m_bReadOnly = _bReadOnly;
            implUpdateEnabledDisabled();
        }
    }

    //------------------------------------------------------------------
    namespace
    {
        void implSetBitIfAffected( sal_uInt16& _nEnabledBits, sal_Int16 _nAffectedMask, sal_Int16 _nTestBit, bool _bSet )
        {
            if ( _nAffectedMask & _nTestBit )
            {
                if ( _bSet )
                    _nEnabledBits |= _nTestBit;
                else
                    _nEnabledBits &= ~_nTestBit;
            }
        }

        void implEnable( Window* _pWindow, sal_uInt16 _nEnabledBits, sal_uInt16 _nMatchBits  )
        {
            if ( _pWindow )
                _pWindow->Enable( ( _nEnabledBits & _nMatchBits ) == _nMatchBits );
        }

        void implEnable( Window* _pWindow, bool _bEnable )
        {
            if ( _pWindow )
                _pWindow->Enable( _bEnable );
        }
    }

    //------------------------------------------------------------------
	void OBrowserLine::implUpdateEnabledDisabled()
    {
        implEnable( &m_aFtTitle,                m_nEnableFlags, PropertyLineElement::CompleteLine );
        if ( m_pControlWindow )
            implEnable( m_pControlWindow,       m_nEnableFlags, PropertyLineElement::CompleteLine | PropertyLineElement::InputControl );

        if ( m_bReadOnly )
        {
            implEnable( m_pBrowseButton,            false );
            implEnable( m_pAdditionalBrowseButton,  false );
        }
        else
        {
            implEnable( m_pBrowseButton,            m_nEnableFlags, PropertyLineElement::CompleteLine | PropertyLineElement::PrimaryButton );
            implEnable( m_pAdditionalBrowseButton,  m_nEnableFlags, PropertyLineElement::CompleteLine | PropertyLineElement::SecondaryButton );
        }
    }

    //------------------------------------------------------------------
	void OBrowserLine::EnablePropertyLine( bool _bEnable )
    {
        implSetBitIfAffected( m_nEnableFlags, PropertyLineElement::CompleteLine, PropertyLineElement::CompleteLine, _bEnable );
        implUpdateEnabledDisabled();
    }

    //------------------------------------------------------------------
	void OBrowserLine::EnablePropertyControls( sal_Int16 _nControls, bool _bEnable )
	{
        implSetBitIfAffected( m_nEnableFlags, _nControls, PropertyLineElement::InputControl, _bEnable );
        implSetBitIfAffected( m_nEnableFlags, _nControls, PropertyLineElement::PrimaryButton, _bEnable );
        implSetBitIfAffected( m_nEnableFlags, _nControls, PropertyLineElement::SecondaryButton, _bEnable );
        implUpdateEnabledDisabled();
    }

    //------------------------------------------------------------------
    PushButton& OBrowserLine::impl_ensureButton( bool _bPrimary )
    {
        PushButton*& rpButton = _bPrimary ? m_pBrowseButton : m_pAdditionalBrowseButton;

        if ( !rpButton )
        {
		    rpButton = new PushButton( m_pTheParent, WB_NOPOINTERFOCUS );
		    rpButton->SetGetFocusHdl( LINK( this, OBrowserLine, OnButtonFocus ) );
		    rpButton->SetClickHdl( LINK( this, OBrowserLine, OnButtonClicked ) );
		    rpButton->SetText( String::CreateFromAscii( "..." ) );
        }

        rpButton->Show();

        impl_layoutComponents();

        return *rpButton;
    }

    //------------------------------------------------------------------
    void OBrowserLine::impl_getImagesFromURL_nothrow( const ::rtl::OUString& _rImageURL, Image& _out_rImage, Image& _out_rHCImage )
    {
        try
        {
            ::comphelper::ComponentContext aContext( ::comphelper::getProcessServiceFactory() );
            Reference< XGraphicProvider > xGraphicProvider( aContext.createComponent( "com.sun.star.graphic.GraphicProvider" ), UNO_QUERY_THROW );

            Sequence< PropertyValue > aMediaProperties(1);
            aMediaProperties[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "URL" ) );
            aMediaProperties[0].Value <<= _rImageURL;

            Reference< XGraphic > xGraphic( xGraphicProvider->queryGraphic( aMediaProperties ), UNO_QUERY_THROW );
            _out_rImage = _out_rHCImage = Image( xGraphic );

            // see if we find an HC version beside the normal graphic
            INetURLObject aURL( _rImageURL );
            ::rtl::OUString sBaseName( aURL.getBase() );
            aURL.setBase( sBaseName + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "_hc" ) ) );
            ::rtl::OUString sHCImageURL( aURL.GetMainURL( INetURLObject::NO_DECODE ) );

            Reference< XGraphic > xHCGraphic;
            try
            {
                aMediaProperties[0].Value <<= sHCImageURL;
                xHCGraphic = xGraphicProvider->queryGraphic( aMediaProperties );
            }
            catch( const Exception& ) { }

            if ( xHCGraphic.is() )
                _out_rHCImage = Image( xHCGraphic );
        }
        catch( const Exception& )
        {
        	DBG_UNHANDLED_EXCEPTION();
        }
    }

    //------------------------------------------------------------------
	void OBrowserLine::ShowBrowseButton( const ::rtl::OUString& _rImageURL, sal_Bool _bPrimary )
	{
        PushButton& rButton( impl_ensureButton( _bPrimary ) );

        OSL_PRECOND( _rImageURL.getLength(), "OBrowserLine::ShowBrowseButton: use the other version if you don't have an image!" );
        Image aImage, aHCImage;
        impl_getImagesFromURL_nothrow( _rImageURL, aImage, aHCImage );

        rButton.SetModeImage( aImage, BMP_COLOR_NORMAL );
        rButton.SetModeImage( aHCImage, BMP_COLOR_HIGHCONTRAST );
	}

    //------------------------------------------------------------------
	void OBrowserLine::ShowBrowseButton( const Image& _rImage, sal_Bool _bPrimary )
	{
        PushButton& rButton( impl_ensureButton( _bPrimary ) );
        if ( !!_rImage )
            rButton.SetModeImage( _rImage );
	}

    //------------------------------------------------------------------
	void OBrowserLine::ShowBrowseButton( sal_Bool _bPrimary )
	{
        impl_ensureButton( _bPrimary );
	}

	//------------------------------------------------------------------
    void OBrowserLine::implHideBrowseButton( sal_Bool _bPrimary, bool _bReLayout )
    {
        PushButton*& rpButton = _bPrimary ? m_pBrowseButton : m_pAdditionalBrowseButton;

        if ( rpButton )
		{
			rpButton->Hide();
			delete rpButton;
			rpButton = NULL;
		}

        if ( _bReLayout )
		    impl_layoutComponents();
    }

	//------------------------------------------------------------------
	void OBrowserLine::HideBrowseButton( sal_Bool _bPrimary )
	{
        implHideBrowseButton( _bPrimary, true );
	}

	//------------------------------------------------------------------
	void OBrowserLine::SetTitleWidth(sal_uInt16 nWidth)
	{
		if (m_nNameWidth != nWidth+10)
		{
			m_nNameWidth = nWidth+10;
			impl_layoutComponents();
		}
		// #99102# ---------
		FullFillTitleString();
	}

	//------------------------------------------------------------------
    void OBrowserLine::SetClickListener( IButtonClickListener* _pListener )
    {
        m_pClickListener = _pListener;
    }

	//------------------------------------------------------------------
    IMPL_LINK( OBrowserLine, OnButtonClicked, PushButton*, _pButton )
    {
        if ( m_pClickListener )
            m_pClickListener->buttonClicked( this, _pButton == m_pBrowseButton );

        return 0L;
    }

	//------------------------------------------------------------------
	IMPL_LINK( OBrowserLine, OnButtonFocus, PushButton*, /*pPB*/ )
	{
		if ( m_xControl.is() )
		{
            try
            {
                Reference< XPropertyControlContext > xContext( m_xControl->getControlContext(), UNO_QUERY_THROW );
                xContext->focusGained( m_xControl );
            }
            catch( const Exception& )
            {
                DBG_UNHANDLED_EXCEPTION();
            }
		}
		return 0;
	}
//............................................................................
} // namespace pcr
//............................................................................