/**************************************************************
 * 
 * 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_formula.hxx"



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

#include <svl/zforlist.hxx>
#include <svl/stritem.hxx>

#include "parawin.hxx"
#include "parawin.hrc"
#include "helpids.hrc"
#include "formula/formdata.hxx"
#include "formula/IFunctionDescription.hxx"
#include "ModuleHelper.hxx" 
#include "ForResId.hrc"

#define VAR_ARGS 30
#define PAIRED_VAR_ARGS (VAR_ARGS + VAR_ARGS)
namespace formula
{
//============================================================================

ParaWin::ParaWin(Window* pParent,IControlReferenceHandler* _pDlg,Point aPos):
	TabPage			(pParent,ModuleRes(RID_FORMULATAB_PARAMETER)),
	pFuncDesc		( NULL ),
    pMyParent       (_pDlg),
	aFtEditDesc 	( this, ModuleRes( FT_EDITDESC ) ),
	aFtArgName		( this, ModuleRes( FT_PARNAME ) ),
	aFtArgDesc		( this, ModuleRes( FT_PARDESC ) ),

    aBtnFx1 		( this, ModuleRes( BTN_FX1 ) ),
	aFtArg1 		( this, ModuleRes( FT_ARG1 ) ),
    aEdArg1 		( this, ModuleRes( ED_ARG1 ) ),
	aRefBtn1		( this, ModuleRes( RB_ARG1 ) ),

	aBtnFx2 		( this, ModuleRes( BTN_FX2 ) ),
    aFtArg2 		( this, ModuleRes( FT_ARG2 ) ),
    aEdArg2 		( this, ModuleRes( ED_ARG2 ) ),
    aRefBtn2		( this, ModuleRes( RB_ARG2 ) ),

	aBtnFx3 		( this, ModuleRes( BTN_FX3 ) ),
    aFtArg3 		( this, ModuleRes( FT_ARG3 ) ),
    aEdArg3 		( this, ModuleRes( ED_ARG3 ) ),
	aRefBtn3		( this, ModuleRes( RB_ARG3 ) ),

    aBtnFx4 		( this, ModuleRes( BTN_FX4 ) ),
    aFtArg4 		( this, ModuleRes( FT_ARG4 ) ),
    aEdArg4 		( this, ModuleRes( ED_ARG4 ) ),
	aRefBtn4		( this, ModuleRes( RB_ARG4 ) ),
	
	aSlider 		( this, ModuleRes( WND_SLIDER ) ),
    m_sOptional     ( ModuleRes( STR_OPTIONAL ) ),
    m_sRequired     ( ModuleRes( STR_REQUIRED ) ),
	bRefMode		(sal_False)
{
    Image aFxHC( ModuleRes( IMG_FX_H ) );
	FreeResource();
	aDefaultString=aFtEditDesc.GetText();
	
	SetPosPixel(aPos);
	nEdFocus=NOT_FOUND;
	nActiveLine=0;
    Size aSize = aSlider.GetSizePixel();
    aSize.Width() = GetSettings().GetStyleSettings().GetScrollBarSize();
    aSlider.SetSizePixel( aSize );
	aSlider.SetEndScrollHdl( LINK( this, ParaWin, ScrollHdl ) );
	aSlider.SetScrollHdl( LINK( this, ParaWin, ScrollHdl ) );

    aBtnFx1.SetModeImage( aFxHC, BMP_COLOR_HIGHCONTRAST );
    aBtnFx2.SetModeImage( aFxHC, BMP_COLOR_HIGHCONTRAST );
    aBtnFx3.SetModeImage( aFxHC, BMP_COLOR_HIGHCONTRAST );
    aBtnFx4.SetModeImage( aFxHC, BMP_COLOR_HIGHCONTRAST );

	InitArgInput( 0, aFtArg1, aBtnFx1, aEdArg1, aRefBtn1);
	InitArgInput( 1, aFtArg2, aBtnFx2, aEdArg2, aRefBtn2);
	InitArgInput( 2, aFtArg3, aBtnFx3, aEdArg3, aRefBtn3);
	InitArgInput( 3, aFtArg4, aBtnFx4, aEdArg4, aRefBtn4);
	ClearAll();
}

void ParaWin::UpdateArgDesc( sal_uInt16 nArg )
{
	if (nArg==NOT_FOUND) return;

	if ( nArgs > 4 )
        nArg = sal::static_int_cast<sal_uInt16>( nArg + GetSliderPos() );
		//@ nArg += (sal_uInt16)aSlider.GetThumbPos();

	if ( (nArgs > 0) && (nArg<nArgs) )
	{
		String	aArgDesc;
		String	aArgName;

		SetArgumentDesc( String() );
		SetArgumentText( String() );

		if ( nArgs < VAR_ARGS )
		{
            sal_uInt16 nRealArg = (aVisibleArgMapping.size() < nArg) ? aVisibleArgMapping[nArg] : nArg;
			aArgDesc  = pFuncDesc->getParameterDescription(nRealArg);
			aArgName  = pFuncDesc->getParameterName(nRealArg);
            aArgName += ' ';
			aArgName += (pFuncDesc->isParameterOptional(nRealArg)) ? m_sOptional : m_sRequired ;
		}
		else if ( nArgs < PAIRED_VAR_ARGS )
		{
			sal_uInt16 nFix = nArgs - VAR_ARGS;
			sal_uInt16 nPos = ( nArg < nFix ? nArg : nFix );
            sal_uInt16 nRealArg = (nPos < aVisibleArgMapping.size() ?
                    aVisibleArgMapping[nPos] : aVisibleArgMapping.back());
			aArgDesc  = pFuncDesc->getParameterDescription(nRealArg);
			aArgName  = pFuncDesc->getParameterName(nRealArg);
			if ( nArg >= nFix )
				aArgName += String::CreateFromInt32(nArg-nFix+1);
            aArgName += ' ';

            aArgName += (nArg > nFix || pFuncDesc->isParameterOptional(nRealArg)) ? m_sOptional : m_sRequired ;
		}
		else
		{
		    sal_uInt16 nFix = nArgs - PAIRED_VAR_ARGS;
			sal_uInt16 nPos;
			if ( nArg < nFix )
			    nPos = nArg;
			else
			    nPos = nFix + ( (nArg-nFix) % 2);
            sal_uInt16 nRealArg = (nPos < aVisibleArgMapping.size() ?
                    aVisibleArgMapping[nPos] : aVisibleArgMapping.back());
			aArgDesc  = pFuncDesc->getParameterDescription(nRealArg);
			aArgName  = pFuncDesc->getParameterName(nRealArg);
			if ( nArg >= nFix )
				aArgName += String::CreateFromInt32((nArg-nFix)/2 + 1);
            aArgName += ' ';

            aArgName += (nArg > (nFix+1) || pFuncDesc->isParameterOptional(nRealArg)) ? m_sOptional : m_sRequired ;
		}

		SetArgumentDesc(aArgDesc);
		SetArgumentText(aArgName);
	}
}

void ParaWin::UpdateArgInput( sal_uInt16 nOffset, sal_uInt16 i )
{
	sal_uInt16 nArg = nOffset + i;
	if ( nArgs < VAR_ARGS)
	{
		if(nArg<nArgs)
		{
            sal_uInt16 nRealArg = aVisibleArgMapping[nArg];
			SetArgNameFont	(i,(pFuncDesc->isParameterOptional(nRealArg))
											? aFntLight : aFntBold );
			SetArgName		(i,pFuncDesc->getParameterName(nRealArg));
		}
	}
	else if ( nArgs < PAIRED_VAR_ARGS)
	{
		sal_uInt16 nFix = nArgs - VAR_ARGS;
		sal_uInt16 nPos = ( nArg < nFix ? nArg : nFix );
        sal_uInt16 nRealArg = (nPos < aVisibleArgMapping.size() ?
                aVisibleArgMapping[nPos] : aVisibleArgMapping.back());
		SetArgNameFont( i,
                (nArg > nFix || pFuncDesc->isParameterOptional(nRealArg)) ?
                aFntLight : aFntBold );
		if ( nArg >= nFix )
		{
			String aArgName( pFuncDesc->getParameterName(nRealArg) );
			aArgName += String::CreateFromInt32(nArg-nFix+1);
			SetArgName( i, aArgName );
		}
		else
			SetArgName( i, pFuncDesc->getParameterName(nRealArg) );
	}
	else
	{
	    sal_uInt16 nFix = nArgs - PAIRED_VAR_ARGS;
	    sal_uInt16 nPos;
			if ( nArg < nFix )
			    nPos = nArg;
			else
			    nPos = nFix + ( (nArg-nFix) % 2);
        sal_uInt16 nRealArg = (nPos < aVisibleArgMapping.size() ?
                aVisibleArgMapping[nPos] : aVisibleArgMapping.back());
		SetArgNameFont( i,
                (nArg > (nFix+1) || pFuncDesc->isParameterOptional(nRealArg)) ?
                aFntLight : aFntBold );
		if ( nArg >= nFix )
		{
			String aArgName( pFuncDesc->getParameterName(nRealArg) );
			aArgName += String::CreateFromInt32((nArg-nFix)/2 + 1);
			SetArgName( i, aArgName );
		}
		else
			SetArgName( i, pFuncDesc->getParameterName(nRealArg) );
	}
	if(nArg<nArgs) SetArgVal(i,aParaArray[nArg]);
	//@ aArgInput[i].SetArgVal( *(pArgArr[nOffset+i]) );

}

ParaWin::~ParaWin()
{
    // #i66422# if the focus changes during destruction of the controls,
    // don't call the focus handlers
    Link aEmptyLink;
    aBtnFx1.SetGetFocusHdl( aEmptyLink );
    aBtnFx2.SetGetFocusHdl( aEmptyLink );
    aBtnFx3.SetGetFocusHdl( aEmptyLink );
    aBtnFx4.SetGetFocusHdl( aEmptyLink );
}

sal_uInt16 ParaWin::GetActiveLine()
{
	return nActiveLine;
}

void ParaWin::SetActiveLine(sal_uInt16 no)
{
	if(no<nArgs)
	{
		long nOffset = GetSliderPos();
		nActiveLine=no;
		long nNewEdPos=(long)nActiveLine-nOffset;
		if(nNewEdPos<0 || nNewEdPos>3)
		{
			nOffset+=nNewEdPos;
			SetSliderPos((sal_uInt16) nOffset);
			nOffset=GetSliderPos();
		}
		nEdFocus=no-(sal_uInt16)nOffset;
		UpdateArgDesc( nEdFocus );
	}
}

RefEdit* ParaWin::GetActiveEdit()
{
	if(nArgs>0 && nEdFocus!=NOT_FOUND)
	{
		return aArgInput[nEdFocus].GetArgEdPtr();
	}
	else
	{
		return NULL;
	}
}


String ParaWin::GetArgument(sal_uInt16 no)
{
	String aStr;
	if(no<aParaArray.size())
	{
		aStr=aParaArray[no];
		if(no==nActiveLine && aStr.Len()==0)
			aStr+=' ';
	}
	return aStr;
}

String	ParaWin::GetActiveArgName()
{
	String aStr;
	if(nArgs>0 && nEdFocus!=NOT_FOUND)
	{
		aStr=aArgInput[nEdFocus].GetArgName();
	}
	return aStr;
}


void ParaWin::SetArgument(sal_uInt16 no, const String& aString)
{
	if(no<aParaArray.size())
	{
		aParaArray[no] = aString;
		aParaArray[no].EraseLeadingChars();
	}
}

void ParaWin::DelParaArray()
{
    ::std::vector<String>().swap(aParaArray);
}

void ParaWin::SetArgumentFonts(const Font&aBoldFont,const Font&aLightFont)
{
	aFntBold=aBoldFont;
	aFntLight=aLightFont;
}

void ParaWin::SetFunctionDesc(const IFunctionDescription* pFDesc)
{
	pFuncDesc=pFDesc;

	SetArgumentDesc( String() );
	SetArgumentText( String() );
	SetEditDesc( String() );
	nArgs = 0;
	if ( pFuncDesc!=NULL)
	{
		if ( pFuncDesc->getDescription().getLength() )
		{
			SetEditDesc(pFuncDesc->getDescription());
		}
		else
		{
			SetEditDesc(aDefaultString);
		}
		nArgs = pFuncDesc->getSuppressedArgumentCount();
        pFuncDesc->fillVisibleArgumentMapping(aVisibleArgMapping);
		aSlider.Hide();
		rtl::OString sHelpId = pFuncDesc->getHelpId();
		SetHelpId( sHelpId );
		aEdArg1.SetHelpId( sHelpId );
		aEdArg2.SetHelpId( sHelpId );
		aEdArg3.SetHelpId( sHelpId );
		aEdArg4.SetHelpId( sHelpId );

		//	Unique-IDs muessen gleich bleiben fuer Automatisierung
		SetUniqueId( HID_FORMULA_FAP_PAGE );
		aEdArg1.SetUniqueId( HID_FORMULA_FAP_EDIT1 );
		aEdArg2.SetUniqueId( HID_FORMULA_FAP_EDIT2 );
		aEdArg3.SetUniqueId( HID_FORMULA_FAP_EDIT3 );
		aEdArg4.SetUniqueId( HID_FORMULA_FAP_EDIT4 );
		SetActiveLine(0);
	}
	else
	{
		nActiveLine=0;
	}

}

void ParaWin::SetArgumentText(const String& aText)
{
	aFtArgName.SetText(aText);
}

void ParaWin::SetArgumentDesc(const String& aText)
{
	aFtArgDesc.SetText(aText);
}

void ParaWin::SetEditDesc(const String& aText)
{
	aFtEditDesc.SetText(aText);
}

void ParaWin::SetArgName(sal_uInt16 no,const String& aText)
{
	aArgInput[no].SetArgName(aText);
}

void ParaWin::SetArgNameFont(sal_uInt16 no,const Font& aFont)
{
	aArgInput[no].SetArgNameFont(aFont);
}

void ParaWin::SetArgVal(sal_uInt16 no,const String& aText)
{
	aArgInput[no].SetArgVal(aText);
}

void ParaWin::HideParaLine(sal_uInt16 no)
{
	aArgInput[no].Hide();
}

void ParaWin::ShowParaLine(sal_uInt16 no)
{
	aArgInput[no].Show();
}

void ParaWin::SetEdFocus(sal_uInt16 no)
{
	UpdateArgDesc(no);
	if(no<4 && no<aParaArray.size())
		aArgInput[no].GetArgEdPtr()->GrabFocus();
}


void ParaWin::InitArgInput( sal_uInt16 nPos, FixedText& rFtArg, ImageButton& rBtnFx,
						ArgEdit& rEdArg, RefButton& rRefBtn)
{

	rRefBtn.SetReferences(pMyParent,&rEdArg);
	rEdArg.SetRefDialog(pMyParent);

	aArgInput[nPos].InitArgInput (&rFtArg,&rBtnFx,&rEdArg,&rRefBtn);

	aArgInput[nPos].Hide();

	aArgInput[nPos].SetFxClickHdl	( LINK( this, ParaWin, GetFxHdl ) );
	aArgInput[nPos].SetFxFocusHdl	( LINK( this, ParaWin, GetFxFocusHdl ) );
	aArgInput[nPos].SetEdFocusHdl	( LINK( this, ParaWin, GetEdFocusHdl ) );
	aArgInput[nPos].SetEdModifyHdl	( LINK( this, ParaWin, ModifyHdl ) );
}

void ParaWin::ClearAll()
{
	SetFunctionDesc(NULL);
	SetArgumentOffset(0);
}

void ParaWin::SetArgumentOffset(sal_uInt16 nOffset)
{
	DelParaArray();
	aSlider.SetThumbPos(0);

    aParaArray.resize(nArgs);

	if ( nArgs > 0 )
	{
		for ( int i=0; i<4 && i<nArgs; i++ )
		{
			String aString;
			aArgInput[i].SetArgVal(aString);
			aArgInput[i].GetArgEdPtr()->Init(
				(i==0)			  	 ? (ArgEdit *)NULL : aArgInput[i-1].GetArgEdPtr(),
				(i==3 || i==nArgs-1) ? (ArgEdit *)NULL : aArgInput[i+1].GetArgEdPtr(),
									   aSlider, nArgs );
		}
	}

	if ( nArgs < 5 )
	{
		aSlider.Hide();
	}
	else
	{
		//aSlider.SetEndScrollHdl( LINK( this, ScFormulaDlg, ScrollHdl ) );
		aSlider.SetPageSize( 4 );
		aSlider.SetVisibleSize( 4 );
		aSlider.SetLineSize( 1 );
		aSlider.SetRange( Range( 0, nArgs ) );
		aSlider.SetThumbPos( nOffset );
		aSlider.Show();
	}

	UpdateParas();
}

void ParaWin::UpdateParas()
{
	sal_uInt16 i;
	sal_uInt16 nOffset = GetSliderPos();

	if ( nArgs > 0 )
	{
		for ( i=0; (i<nArgs) && (i<4); i++ )
		{
			UpdateArgInput( nOffset, i );
			ShowParaLine(i);
		}
	}

	for ( i=nArgs; i<4; i++ ) HideParaLine(i);
}


sal_uInt16 ParaWin::GetSliderPos()
{
	return (sal_uInt16) aSlider.GetThumbPos();
}

void ParaWin::SetSliderPos(sal_uInt16 nSliderPos)
{
	sal_uInt16 nOffset = GetSliderPos();

	if(aSlider.IsVisible() && nOffset!=nSliderPos)
	{
		aSlider.SetThumbPos(nSliderPos);
        for ( sal_uInt16 i=0; i<4; i++ )
		{
			UpdateArgInput( nSliderPos, i );
		}
	}
}

void ParaWin::SliderMoved()
{
	sal_uInt16 nOffset = GetSliderPos();

    for ( sal_uInt16 i=0; i<4; i++ )
	{
		UpdateArgInput( nOffset, i );
	}
	if(nEdFocus!=NOT_FOUND)
	{
		UpdateArgDesc( nEdFocus );
		aArgInput[nEdFocus].SetArgSelection(Selection(0,SELECTION_MAX ));
		nActiveLine=nEdFocus+nOffset;
		ArgumentModified();
	}
	aScrollLink.Call(this);
}

void ParaWin::ArgumentModified()
{
	aArgModifiedLink.Call(this);
}

void ParaWin::FxClick()
{
	aFxLink.Call(this);
}


IMPL_LINK( ParaWin, GetFxHdl, ArgInput*, pPtr )
{
	sal_uInt16 nOffset = GetSliderPos();
	nEdFocus=NOT_FOUND;
	for ( sal_uInt16 nPos=0; nPos<5;nPos++)
	{
		if(pPtr == &aArgInput[nPos])
		{
			nEdFocus=nPos;
			break;
		}
	}

	if(nEdFocus!=NOT_FOUND)
	{
		aArgInput[nEdFocus].SetArgSelection(Selection(0,SELECTION_MAX ));
		nActiveLine=nEdFocus+nOffset;
		FxClick();
	}
	return 0;
}

IMPL_LINK( ParaWin, GetFxFocusHdl, ArgInput*, pPtr )
{
	sal_uInt16 nOffset = GetSliderPos();
	nEdFocus=NOT_FOUND;
	for ( sal_uInt16 nPos=0; nPos<5;nPos++)
	{
		if(pPtr == &aArgInput[nPos])
		{
			nEdFocus=nPos;
			break;
		}
	}

	if(nEdFocus!=NOT_FOUND)
	{
		aArgInput[nEdFocus].SetArgSelection(Selection(0,SELECTION_MAX ));
		UpdateArgDesc( nEdFocus );
		nActiveLine=nEdFocus+nOffset;
	}
	return 0;
}



IMPL_LINK( ParaWin, GetEdFocusHdl, ArgInput*, pPtr )
{
	sal_uInt16 nOffset = GetSliderPos();
	nEdFocus=NOT_FOUND;
	for ( sal_uInt16 nPos=0; nPos<5;nPos++)
	{
		if(pPtr == &aArgInput[nPos])
		{
			nEdFocus=nPos;
			break;
		}
	}

	if(nEdFocus!=NOT_FOUND)
	{
		aArgInput[nEdFocus].SetArgSelection(Selection(0,SELECTION_MAX ));
		UpdateArgDesc( nEdFocus );
		nActiveLine=nEdFocus+nOffset;
		ArgumentModified();
	}

	return 0;
}


IMPL_LINK( ParaWin, ScrollHdl, ScrollBar*, EMPTYARG )
{
	SliderMoved();

	return 0;
}

IMPL_LINK( ParaWin, ModifyHdl, ArgInput*, pPtr )
{
	sal_uInt16 nOffset = GetSliderPos();
	nEdFocus=NOT_FOUND;
	for ( sal_uInt16 nPos=0; nPos<5;nPos++)
	{
		if(pPtr == &aArgInput[nPos])
		{
			nEdFocus=nPos;
			break;
		}
	}
	if(nEdFocus!=NOT_FOUND)
	{
		aParaArray[nEdFocus+nOffset] = aArgInput[nEdFocus].GetArgVal();
		UpdateArgDesc( nEdFocus);
		nActiveLine=nEdFocus+nOffset;
	}

	ArgumentModified();
	return 0;
}



} // formula