/**************************************************************
 * 
 * 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_svtools.hxx"

#include <svtools/ivctrl.hxx>
#include "imivctl.hxx"
#include <vcl/bitmapex.hxx>
#include <vcl/controllayout.hxx>
#include <vcl/mnemonic.hxx>
using namespace ::com::sun::star::accessibility;

/*****************************************************************************
|
| class : SvxIconChoiceCtrlEntry
|
\*****************************************************************************/

SvxIconChoiceCtrlEntry::SvxIconChoiceCtrlEntry( const String& rText, const Image& rImage, sal_uInt16 _nFlags )
{
	aText = rText;
	aImage = rImage;
	aImageHC = rImage;
	pUserData = NULL;

	nFlags = _nFlags;
	eTextMode = IcnShowTextShort;
	pblink = 0;
	pflink = 0;
}

SvxIconChoiceCtrlEntry::SvxIconChoiceCtrlEntry( const String& rText, const Image& rImage, const Image& rImageHC, sal_uInt16 _nFlags )
{
	aText = rText;
	aImage = rImage;
	aImageHC = rImageHC;
	pUserData = NULL;

	nFlags = _nFlags;
	eTextMode = IcnShowTextShort;
	pblink = 0;
	pflink = 0;
}

SvxIconChoiceCtrlEntry::SvxIconChoiceCtrlEntry( sal_uInt16 _nFlags )
{
	pUserData = NULL;

	nFlags = _nFlags;
	eTextMode = IcnShowTextShort;
	pblink = 0;
	pflink = 0;
}

void SvxIconChoiceCtrlEntry::SetMoved( sal_Bool bMoved )
{
	if( bMoved )
		nFlags |= ICNVIEW_FLAG_POS_MOVED;
	else
		nFlags &= ~ICNVIEW_FLAG_POS_MOVED;
}

void SvxIconChoiceCtrlEntry::LockPos( sal_Bool bLock )
{
	if( bLock )
		nFlags |= ICNVIEW_FLAG_POS_LOCKED;
	else
		nFlags &= ~ICNVIEW_FLAG_POS_LOCKED;
}

/*sal_Unicode SvxIconChoiceCtrlEntry::GetMnemonicChar() const
{
	sal_Unicode cChar = 0;
	xub_StrLen nPos = aText.Search( '~' );
	if ( nPos != STRING_NOTFOUND && nPos < ( aText.Len() ) - 1 )
		cChar = aText.GetChar( nPos + 1 );
	return cChar;
}*/

String SvxIconChoiceCtrlEntry::GetDisplayText() const
{
	return MnemonicGenerator::EraseAllMnemonicChars( aText );
}

// ----------------------------------------------------------------------------

SvxIconChoiceCtrlColumnInfo::SvxIconChoiceCtrlColumnInfo( const SvxIconChoiceCtrlColumnInfo& rInfo )
	: aColText( rInfo.aColText ), aColImage( rInfo.aColImage )
{
	nWidth = rInfo.nWidth;
	eAlignment = rInfo.eAlignment;
	nSubItem = rInfo.nSubItem;
}

/*****************************************************************************
|
| class : SvtIconChoiceCtrl
|
\*****************************************************************************/

SvtIconChoiceCtrl::SvtIconChoiceCtrl( Window* pParent, WinBits nWinStyle ) :

	 // WB_CLIPCHILDREN an, da ScrollBars auf dem Fenster liegen!
	Control( pParent, nWinStyle | WB_CLIPCHILDREN ),

	_pCurKeyEvent	( NULL ),
	_pImp			( new SvxIconChoiceCtrl_Impl( this, nWinStyle ) ),
	_bAutoFontColor	( sal_False )

{
	SetLineColor();
	_pImp->SetGrid( Size( 100, 70 ) );
	_pImp->InitSettings();
	_pImp->SetPositionMode( IcnViewPositionModeAutoArrange );
}

SvtIconChoiceCtrl::SvtIconChoiceCtrl( Window* pParent, const ResId& rResId ) :

	Control( pParent, rResId ),

	_pCurKeyEvent	( NULL ),
	_pImp			( new SvxIconChoiceCtrl_Impl( this, WB_BORDER ) ),
	_bAutoFontColor	( sal_False )

{
	SetLineColor();
	_pImp->SetGrid( Size( 100, 70 ) );
	_pImp->InitSettings();
	_pImp->SetPositionMode( IcnViewPositionModeAutoArrange );
}

SvtIconChoiceCtrl::~SvtIconChoiceCtrl()
{
	_pImp->CallEventListeners( VCLEVENT_OBJECT_DYING );
	delete _pImp;
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::InsertEntry( sal_uLong nPos, const Point* pPos, sal_uInt16 nFlags  )
{
	SvxIconChoiceCtrlEntry* pEntry = new SvxIconChoiceCtrlEntry( nFlags );
	_pImp->InsertEntry( pEntry, nPos, pPos );
	return pEntry;
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::InsertEntry( const String& rText, const Image& rImage, sal_uLong nPos, const Point* pPos, sal_uInt16 nFlags  )
{
	SvxIconChoiceCtrlEntry* pEntry = new SvxIconChoiceCtrlEntry( rText, rImage, nFlags);

	_pImp->InsertEntry( pEntry, nPos, pPos );

	return pEntry;
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::InsertEntry( const String& rText, const Image& rImage, const Image& rImageHC, sal_uLong nPos, const Point* pPos, sal_uInt16 nFlags  )
{
	SvxIconChoiceCtrlEntry* pEntry = new SvxIconChoiceCtrlEntry( rText, rImage, rImageHC, nFlags);

	_pImp->InsertEntry( pEntry, nPos, pPos );

	return pEntry;
}

sal_Bool SvtIconChoiceCtrl::EditedEntry( SvxIconChoiceCtrlEntry*, const XubString&, sal_Bool )
{
	return sal_True;
}
sal_Bool SvtIconChoiceCtrl::EditingEntry( SvxIconChoiceCtrlEntry* )
{
	return sal_True;
}
void SvtIconChoiceCtrl::DrawEntryImage( SvxIconChoiceCtrlEntry* pEntry, const Point& rPos, OutputDevice& rDev )
{
	rDev.DrawImage( rPos, GetSettings().GetStyleSettings().GetHighContrastMode() ? pEntry->GetImageHC() : pEntry->GetImage() );
}
String SvtIconChoiceCtrl::GetEntryText( SvxIconChoiceCtrlEntry* pEntry, sal_Bool )
{
	return pEntry->GetText();
}
sal_Bool SvtIconChoiceCtrl::HasBackground() const
{
	return sal_False;
}
sal_Bool SvtIconChoiceCtrl::HasFont() const
{
	return sal_False;
}
sal_Bool SvtIconChoiceCtrl::HasFontTextColor() const
{
	return sal_True;
}
sal_Bool SvtIconChoiceCtrl::HasFontFillColor() const
{
	return sal_True;
}

void SvtIconChoiceCtrl::Paint( const Rectangle& rRect )
{
	_pImp->Paint( rRect );
}

void SvtIconChoiceCtrl::MouseButtonDown( const MouseEvent& rMEvt )
{
	if( !_pImp->MouseButtonDown( rMEvt ) )
		Control::MouseButtonDown( rMEvt );
}

void SvtIconChoiceCtrl::MouseButtonUp( const MouseEvent& rMEvt )
{
	if( !_pImp->MouseButtonUp( rMEvt ) )
		Control::MouseButtonUp( rMEvt );
}

void SvtIconChoiceCtrl::MouseMove( const MouseEvent& rMEvt )
{
	if( !_pImp->MouseMove( rMEvt ) )
		Control::MouseMove( rMEvt );
}
void SvtIconChoiceCtrl::ArrangeIcons()
{
	if ( GetStyle() & WB_ALIGN_TOP )
	{
		Size aFullSize;
		Rectangle aEntryRect;

		for ( sal_uLong i = 0; i < GetEntryCount(); i++ )
		{
			SvxIconChoiceCtrlEntry* pEntry = GetEntry ( i );
			aEntryRect = _pImp->GetEntryBoundRect ( pEntry );

			aFullSize.setWidth ( aFullSize.getWidth()+aEntryRect.GetWidth() );
		}

		_pImp->Arrange ( sal_False, aFullSize.getWidth() );
	}
	else if ( GetStyle() & WB_ALIGN_LEFT )
	{
		Size aFullSize;
		Rectangle aEntryRect;

		for ( sal_uLong i = 0; i < GetEntryCount(); i++ )
		{
			SvxIconChoiceCtrlEntry* pEntry = GetEntry ( i );
			aEntryRect = _pImp->GetEntryBoundRect ( pEntry );

			aFullSize.setHeight ( aFullSize.getHeight()+aEntryRect.GetHeight() );
		}

		_pImp->Arrange ( sal_False, 0, aFullSize.getHeight() );
	}
	else
	{
		_pImp->Arrange();
	}
	_pImp->Arrange( sal_False, 0, 1000 );
}
void SvtIconChoiceCtrl::Resize()
{
	_pImp->Resize();
	Control::Resize();
}

Point SvtIconChoiceCtrl::GetLogicPos( const Point& rPosPixel ) const
{
	Point aPos( rPosPixel );
	aPos -= GetMapMode().GetOrigin();
	return aPos;
}

Point SvtIconChoiceCtrl::GetPixelPos( const Point& rPosLogic ) const
{
	Point aPos( rPosLogic );
	aPos += GetMapMode().GetOrigin();
	return aPos;
}

void SvtIconChoiceCtrl::DocumentRectChanged()
{
	_aDocRectChangedHdl.Call( this );
}

void SvtIconChoiceCtrl::VisibleRectChanged()
{
	_aVisRectChangedHdl.Call( this );
}

void SvtIconChoiceCtrl::GetFocus()
{
	_pImp->GetFocus();
	Control::GetFocus();
	sal_uLong nPos;
	SvxIconChoiceCtrlEntry* pSelectedEntry = GetSelectedEntry ( nPos );
	if ( pSelectedEntry )
		_pImp->CallEventListeners( VCLEVENT_LISTBOX_SELECT, pSelectedEntry );
}

void SvtIconChoiceCtrl::LoseFocus()
{
	_pImp->LoseFocus();
	Control::LoseFocus();
}

void SvtIconChoiceCtrl::SetUpdateMode( sal_Bool bUpdate )
{
	Control::SetUpdateMode( bUpdate );
	_pImp->SetUpdateMode( bUpdate );
}
void SvtIconChoiceCtrl::SetFont( const Font& rFont )
{
	if( rFont != GetFont() )
	{
		Control::SetFont( rFont );
		_pImp->FontModified();
	}
}

void SvtIconChoiceCtrl::SetPointFont( const Font& rFont )
{
	if( rFont != GetPointFont() )
	{
		Control::SetPointFont( rFont );
		_pImp->FontModified();
	}
}
SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetEntry( const Point& rPixPos, sal_Bool bHit ) const
{
	Point aPos( rPixPos );
	aPos -= GetMapMode().GetOrigin();
	return ((SvtIconChoiceCtrl*)this)->_pImp->GetEntry( aPos, bHit );
}

void SvtIconChoiceCtrl::SetStyle( WinBits nWinStyle )
{
	_pImp->SetStyle( nWinStyle );
}

WinBits SvtIconChoiceCtrl::GetStyle() const
{
	return _pImp->GetStyle();
}
void SvtIconChoiceCtrl::Command( const CommandEvent& rCEvt )
{
	_pImp->Command( rCEvt );
}

void SvtIconChoiceCtrl::SetEntryTextMode( SvxIconChoiceCtrlTextMode eMode, SvxIconChoiceCtrlEntry* pEntry )
{
	_pImp->SetEntryTextMode( eMode, pEntry );
}

SvxIconChoiceCtrlTextMode SvtIconChoiceCtrl::GetEntryTextMode( const SvxIconChoiceCtrlEntry* pEntry ) const
{
	return _pImp->GetEntryTextModeSmart( pEntry );
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetNextEntry( const Point& rPixPos, SvxIconChoiceCtrlEntry* pCurEntry, sal_Bool  ) const
{
	Point aPos( rPixPos );
	aPos -= GetMapMode().GetOrigin();
	return ((SvtIconChoiceCtrl*)this)->_pImp->GetNextEntry( aPos, pCurEntry );
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetPrevEntry( const Point& rPixPos, SvxIconChoiceCtrlEntry* pCurEntry, sal_Bool  ) const
{
	Point aPos( rPixPos );
	aPos -= GetMapMode().GetOrigin();
	return ((SvtIconChoiceCtrl*)this)->_pImp->GetPrevEntry( aPos, pCurEntry );
}
sal_uLong SvtIconChoiceCtrl::GetEntryCount() const
{
	return _pImp->GetEntryCount();
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetEntry( sal_uLong nPos ) const
{
	return _pImp->GetEntry( nPos );
}

void SvtIconChoiceCtrl::CreateAutoMnemonics( MnemonicGenerator& _rUsedMnemonics )
{
	_pImp->CreateAutoMnemonics( &_rUsedMnemonics );
}

void SvtIconChoiceCtrl::CreateAutoMnemonics( void )
{
	_pImp->CreateAutoMnemonics();
}

void SvtIconChoiceCtrl::RemoveEntry( SvxIconChoiceCtrlEntry* pEntry )
{
	_pImp->RemoveEntry( pEntry );
}

SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetSelectedEntry( sal_uLong& rPos ) const
{
	return _pImp->GetFirstSelectedEntry( rPos );
}

void SvtIconChoiceCtrl::ClickIcon()
{
	sal_uLong nPos;
	GetSelectedEntry ( nPos );
	_aClickIconHdl.Call( this );
}
sal_Bool SvtIconChoiceCtrl::IsEntryEditing() const
{
	return _pImp->IsEntryEditing();
}

sal_Bool SvtIconChoiceCtrl::SetChoiceWithCursor ( sal_Bool bDo )
{
	return _pImp->SetChoiceWithCursor (bDo);
}

void SvtIconChoiceCtrl::KeyInput( const KeyEvent& rKEvt )
{
	sal_Bool bKeyUsed = DoKeyInput( rKEvt );
	if ( !bKeyUsed )
	{
		_pCurKeyEvent = (KeyEvent*)&rKEvt;
		Control::KeyInput( rKEvt );
		_pCurKeyEvent = NULL;
	}
}
sal_Bool SvtIconChoiceCtrl::DoKeyInput( const KeyEvent& rKEvt )
{
	// unter OS/2 bekommen wir auch beim Editieren Key-Up/Down
	if( IsEntryEditing() )
		return sal_True;
	_pCurKeyEvent = (KeyEvent*)&rKEvt;
	sal_Bool bHandled = _pImp->KeyInput( rKEvt );
	_pCurKeyEvent = NULL;
	return bHandled;
}
sal_uLong SvtIconChoiceCtrl::GetEntryListPos( SvxIconChoiceCtrlEntry* pEntry ) const
{
	return _pImp->GetEntryListPos( pEntry );
}
SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetCursor( ) const
{
	return _pImp->GetCurEntry( );
}
void SvtIconChoiceCtrl::SetCursor( SvxIconChoiceCtrlEntry* pEntry )
{
	_pImp->SetCursor( pEntry );
}
void SvtIconChoiceCtrl::InvalidateEntry( SvxIconChoiceCtrlEntry* pEntry )
{
	_pImp->InvalidateEntry( pEntry );
}
void SvtIconChoiceCtrl::Clear()
{
	_pImp->Clear();
}
void SvtIconChoiceCtrl::StateChanged( StateChangedType nType )
{
	Control::StateChanged( nType );
}


void SvtIconChoiceCtrl::DataChanged( const DataChangedEvent& rDCEvt )
{
	if ( ((rDCEvt.GetType() == DATACHANGED_SETTINGS) ||
		 (rDCEvt.GetType() == DATACHANGED_FONTSUBSTITUTION) ||
		 (rDCEvt.GetType() == DATACHANGED_FONTS) ) &&
		 (rDCEvt.GetFlags() & SETTINGS_STYLE) )
	{
		_pImp->InitSettings();
		Invalidate(INVALIDATE_NOCHILDREN);
	}
	else
		Control::DataChanged( rDCEvt );
}

void SvtIconChoiceCtrl::SetBackground( const Wallpaper& rPaper )
{
	if( rPaper != GetBackground() )
	{
		const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
		Wallpaper aEmpty;
		if( rPaper == aEmpty )
			Control::SetBackground( rStyleSettings.GetFieldColor() );
		else
		{
			Wallpaper aBackground( rPaper );
			// HACK, da Hintergrund sonst transparent sein koennte
			if( !aBackground.IsBitmap() )
				aBackground.SetStyle( WALLPAPER_TILE );

			WallpaperStyle eStyle = aBackground.GetStyle();
			Color aBack( aBackground.GetColor());
			Color aTrans( COL_TRANSPARENT );
			if( aBack == aTrans  && (
				(!aBackground.IsBitmap() ||
					aBackground.GetBitmap().IsTransparent() ||
					(eStyle != WALLPAPER_TILE && eStyle != WALLPAPER_SCALE))))
			{
				aBackground.SetColor( rStyleSettings.GetFieldColor() );
			}
			if( aBackground.IsScrollable() )
			{
				Rectangle aRect;
				aRect.SetSize( Size(32765, 32765) );
				aBackground.SetRect( aRect );
			}
			else
			{
				Rectangle aRect( _pImp->GetOutputRect() );
				aBackground.SetRect( aRect );
			}
			Control::SetBackground( aBackground );
		}

		// bei hart attributierter Textfarbe keine 'Automatik', die eine
		// lesbare Textfarbe einstellt.
		Font aFont( GetFont() );
		aFont.SetColor( rStyleSettings.GetFieldTextColor() );
		SetFont( aFont );

		Invalidate(INVALIDATE_NOCHILDREN);
	}
}

void SvtIconChoiceCtrl::Flush()
{
	_pImp->Flush();
}

void SvtIconChoiceCtrl::RequestHelp( const HelpEvent& rHEvt )
{
	if ( !_pImp->RequestHelp( rHEvt ) )
		Control::RequestHelp( rHEvt );
}

void SvtIconChoiceCtrl::SetSelectionMode( SelectionMode eMode )
{
	_pImp->SetSelectionMode( eMode );
}

sal_Bool SvtIconChoiceCtrl::HandleShortCutKey( const KeyEvent& r )
{
	return _pImp->HandleShortCutKey( r );
}

Rectangle SvtIconChoiceCtrl::GetBoundingBox( SvxIconChoiceCtrlEntry* pEntry ) const
{
	return _pImp->GetEntryBoundRect( pEntry );
}

void SvtIconChoiceCtrl::FillLayoutData() const
{
    CreateLayoutData();

	SvtIconChoiceCtrl* pNonConstMe = const_cast< SvtIconChoiceCtrl* >( this );

	// loop through all entries
	sal_uInt16 nCount = (sal_uInt16)GetEntryCount();
	sal_uInt16 nPos = 0;
	while ( nPos < nCount )
	{
		SvxIconChoiceCtrlEntry* pEntry = GetEntry( nPos );

		Point aPos = _pImp->GetEntryBoundRect( pEntry ).TopLeft();
		String sEntryText = pEntry->GetDisplayText( );
		Rectangle aTextRect = _pImp->CalcTextRect( pEntry, &aPos, sal_False, &sEntryText );

		sal_Bool bLargeIconMode = WB_ICON == ( _pImp->GetStyle() & ( VIEWMODE_MASK ) );
		sal_uInt16 nTextPaintFlags = bLargeIconMode ? PAINTFLAG_HOR_CENTERED : PAINTFLAG_VER_CENTERED;

		_pImp->PaintItem( aTextRect, IcnViewFieldTypeText, pEntry, nTextPaintFlags, pNonConstMe, &sEntryText, GetLayoutData() );

		++nPos;
	}
}

Rectangle SvtIconChoiceCtrl::GetEntryCharacterBounds( const sal_Int32 _nEntryPos, const sal_Int32 _nCharacterIndex ) const
{
	Rectangle aRect;

	Pair aEntryCharacterRange = GetLineStartEnd( _nEntryPos );
	if ( aEntryCharacterRange.A() + _nCharacterIndex < aEntryCharacterRange.B() )
	{
		aRect = GetCharacterBounds( aEntryCharacterRange.A() + _nCharacterIndex );
	}

	return aRect;
}

void SvtIconChoiceCtrl::SetNoSelection()
{
	_pImp->SetNoSelection();
}

void SvtIconChoiceCtrl::CallImplEventListeners(sal_uLong nEvent, void* pData)
{
	CallEventListeners(nEvent, pData);
}
::com::sun::star::uno::Reference< XAccessible > SvtIconChoiceCtrl::CreateAccessible()
{
    Window* pParent = GetAccessibleParentWindow();
    DBG_ASSERT( pParent, "SvTreeListBox::CreateAccessible - accessible parent not found" );

    ::com::sun::star::uno::Reference< XAccessible > xAccessible;
    if ( pParent )
    {
        ::com::sun::star::uno::Reference< XAccessible > xAccParent = pParent->GetAccessible();
        if ( xAccParent.is() )
		{
			::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindowPeer > xTemp(GetComponentInterface());
            xAccessible = _pImp->GetAccessibleFactory().createAccessibleIconChoiceCtrl( *this, xAccParent );
		}
	}
    return xAccessible;
}