/**************************************************************
 * 
 * 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_sc.hxx"



// INCLUDE ---------------------------------------------------------------

#include <sfx2/viewfrm.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/docfile.hxx>
#include <vcl/sound.hxx>
#include <tools/urlobj.hxx>
#include <vcl/svapp.hxx>
#include "tabcont.hxx"
#include "tabvwsh.hxx"
#include "docsh.hxx"
#include "scmod.hxx"
#include "scresid.hxx"
#include "sc.hrc"
#include "globstr.hrc"
#include "transobj.hxx"
#include "clipparam.hxx"


// STATIC DATA -----------------------------------------------------------

//==================================================================

ScTabControl::ScTabControl( Window* pParent, ScViewData* pData ) :
			TabBar( pParent, WinBits( WB_BORDER | WB_3DLOOK | WB_SCROLL |
									WB_RANGESELECT | WB_MULTISELECT | WB_DRAG | WB_SIZEABLE ) ),
			DropTargetHelper( this ),
			DragSourceHelper( this ),
			pViewData( pData ),
            nMouseClickPageId( TabBar::PAGE_NOT_FOUND ),
            nSelPageIdByMouse( TabBar::PAGE_NOT_FOUND ),
            bErrorShown( sal_False )
{
	ScDocument* pDoc = pViewData->GetDocument();

	String aString;
    Color aTabBgColor;
	SCTAB nCount = pDoc->GetTableCount();
	for (SCTAB i=0; i<nCount; i++)
	{
		if (pDoc->IsVisible(i))
		{
			if (pDoc->GetName(i,aString))
			{
				if ( pDoc->IsScenario(i) )
					InsertPage( static_cast<sal_uInt16>(i)+1, aString, TPB_SPECIAL );
				else
					InsertPage( static_cast<sal_uInt16>(i)+1, aString );
                if ( !pDoc->IsDefaultTabBgColor(i) )
                {
                    aTabBgColor = pDoc->GetTabBgColor(i);
                    SetTabBgColor( static_cast<sal_uInt16>(i)+1, aTabBgColor );
                }
			}
		}
	}

	SetCurPageId( static_cast<sal_uInt16>(pViewData->GetTabNo()) + 1 );

	SetSizePixel( Size(SC_TABBAR_DEFWIDTH, 0) );

	SetSplitHdl( LINK( pViewData->GetView(), ScTabView, TabBarResize ) );

	EnableEditMode();
}

ScTabControl::~ScTabControl()
{
}

sal_uInt16 ScTabControl::GetMaxId() const
{
	sal_uInt16 nVisCnt = GetPageCount();
	if (nVisCnt)
		return GetPageId(nVisCnt-1);

	return 0;
}

SCTAB ScTabControl::GetPrivatDropPos(const Point& rPos )
{
	sal_uInt16 nPos = ShowDropPos(rPos);

	SCTAB nRealPos = static_cast<SCTAB>(nPos);

	if(nPos !=0 )
	{
		ScDocument* pDoc = pViewData->GetDocument();

		SCTAB nCount = pDoc->GetTableCount();

		sal_uInt16 nViewPos=0;
		nRealPos = nCount;
		for (SCTAB i=0; i<nCount; i++)
		{
			if (pDoc->IsVisible(i))
			{
				nViewPos++;
				if(nViewPos==nPos)
				{
					SCTAB j;
					for (j=i+1; j<nCount; j++)
					{
						if (pDoc->IsVisible(j))
						{
							break;
						}
					}
					nRealPos =j;
					break;
				}
			}
		}
	}
	return nRealPos ;
}

void ScTabControl::MouseButtonDown( const MouseEvent& rMEvt )
{
	ScModule* pScMod = SC_MOD();
	if ( !pScMod->IsModalMode() && !pScMod->IsFormulaMode() && !IsInEditMode() )
	{
		//	View aktivieren
		pViewData->GetViewShell()->SetActive();			// Appear und SetViewFrame
		pViewData->GetView()->ActiveGrabFocus();
	}

    /*  #47745# Click into free area -> insert new sheet (like in Draw).
        Needing clean left click without modifiers (may be context menu).
        #106948# Remember clicks to all pages, to be able to move mouse pointer later. */
    if( rMEvt.IsLeft() && (rMEvt.GetModifier() == 0) )
        nMouseClickPageId = GetPageId( rMEvt.GetPosPixel() );
    else
        nMouseClickPageId = TabBar::PAGE_NOT_FOUND;

	TabBar::MouseButtonDown( rMEvt );
}

void ScTabControl::MouseButtonUp( const MouseEvent& rMEvt )
{
    Point aPos = PixelToLogic( rMEvt.GetPosPixel() );

    // mouse button down and up on same page?
    if( nMouseClickPageId != GetPageId( aPos ) )
        nMouseClickPageId = TabBar::PAGE_NOT_FOUND;

    if ( rMEvt.GetClicks() == 2 && rMEvt.IsLeft() && nMouseClickPageId != 0 && nMouseClickPageId != TAB_PAGE_NOTFOUND )
    {
        SfxDispatcher* pDispatcher = pViewData->GetViewShell()->GetViewFrame()->GetDispatcher();
        pDispatcher->Execute( FID_TAB_MENU_RENAME, SFX_CALLMODE_SYNCHRON | SFX_CALLMODE_RECORD );
    }

    if( nMouseClickPageId == 0 )
    {
        // Click in the area next to the existing tabs:
        // #i70320# if several sheets are selected, deselect all ecxept the current sheet,
        // otherwise add new sheet
        sal_uInt16 nSlot = ( GetSelectPageCount() > 1 ) ? FID_TAB_DESELECTALL : FID_INS_TABLE;
        SfxDispatcher* pDispatcher = pViewData->GetViewShell()->GetViewFrame()->GetDispatcher();
        pDispatcher->Execute( nSlot, SFX_CALLMODE_SYNCHRON | SFX_CALLMODE_RECORD );
        // forget page ID, to be really sure that the dialog is not called twice
        nMouseClickPageId = TabBar::PAGE_NOT_FOUND;
    }

	TabBar::MouseButtonUp( rMEvt );
}

void ScTabControl::Select()
{
    /*  Remember last clicked page ID. */
    nSelPageIdByMouse = nMouseClickPageId;
    /*  Reset nMouseClickPageId, so that next Select() call may invalidate
        nSelPageIdByMouse (i.e. if called from keyboard). */
    nMouseClickPageId = TabBar::PAGE_NOT_FOUND;

	ScModule* pScMod = SC_MOD();
	ScDocument* pDoc = pViewData->GetDocument();
	ScMarkData& rMark = pViewData->GetMarkData();
	SCTAB nCount = pDoc->GetTableCount();
	SCTAB i;

	if ( pScMod->IsTableLocked() )		// darf jetzt nicht umgeschaltet werden ?
	{
		//	den alten Zustand des TabControls wiederherstellen:

		for (i=0; i<nCount; i++)
			SelectPage( static_cast<sal_uInt16>(i)+1, rMark.GetTableSelect(i) );
		SetCurPageId( static_cast<sal_uInt16>(pViewData->GetTabNo()) + 1 );

		Sound::Beep();
		return;
	}

	sal_uInt16 nCurId = GetCurPageId();
	if (!nCurId) return;			// kann vorkommen, wenn bei Excel-Import alles versteckt ist
	sal_uInt16 nPage = nCurId - 1;

	// OLE-inplace deaktivieren
	if ( nPage != static_cast<sal_uInt16>(pViewData->GetTabNo()) )
		pViewData->GetView()->DrawMarkListHasChanged();

	//	InputEnterHandler nur wenn nicht Referenzeingabe

	sal_Bool bRefMode = pScMod->IsFormulaMode();
	if (!bRefMode)
		pScMod->InputEnterHandler();

	for (i=0; i<nCount; i++)
		rMark.SelectTable( i, IsPageSelected(static_cast<sal_uInt16>(i)+1) );

/*		Markierungen werden per Default nicht pro Tabelle gehalten
	sal_uInt16 nSelCnt = GetSelectPageCount();
	if (nSelCnt>1)
		pDoc->ExtendMarksFromTable( nPage );
*/

	SfxDispatcher& rDisp = pViewData->GetDispatcher();
	if (rDisp.IsLocked())
		pViewData->GetView()->SetTabNo( static_cast<SCTAB>(nPage) );
	else
	{
		//	Tabelle fuer Basic ist 1-basiert
		SfxUInt16Item aItem( SID_CURRENTTAB, nPage + 1 );
		rDisp.Execute( SID_CURRENTTAB, SFX_CALLMODE_SLOT | SFX_CALLMODE_RECORD,
								&aItem, (void*) NULL );
	}

	SfxBindings& rBind = pViewData->GetBindings();
	rBind.Invalidate( FID_FILL_TAB );
    rBind.Invalidate( FID_TAB_DESELECTALL );

	rBind.Invalidate( FID_INS_TABLE );
	rBind.Invalidate( FID_TAB_APPEND );
	rBind.Invalidate( FID_TAB_MOVE );
	rBind.Invalidate( FID_TAB_RENAME );
	rBind.Invalidate( FID_DELETE_TABLE );
	rBind.Invalidate( FID_TABLE_SHOW );
	rBind.Invalidate( FID_TABLE_HIDE );
    rBind.Invalidate( FID_TAB_SET_TAB_BG_COLOR );

		//	SetReference nur wenn der Konsolidieren-Dialog offen ist
		//	(fuer Referenzen ueber mehrere Tabellen)
		//	bei anderen gibt das nur unnoetiges Gezappel

	if ( bRefMode && pViewData->GetRefType() == SC_REFTYPE_REF )
		if ( pViewData->GetViewShell()->GetViewFrame()->HasChildWindow(SID_OPENDLG_CONSOLIDATE) )
		{
			ScRange aRange(
					pViewData->GetRefStartX(), pViewData->GetRefStartY(), pViewData->GetRefStartZ(),
					pViewData->GetRefEndX(), pViewData->GetRefEndY(), pViewData->GetRefEndZ() );
			pScMod->SetReference( aRange, pDoc, &rMark );
			pScMod->EndReference();						// wegen Auto-Hide
		}
}

void ScTabControl::UpdateStatus()
{
	ScDocument* pDoc = pViewData->GetDocument();
	ScMarkData& rMark = pViewData->GetMarkData();
	sal_Bool bActive = pViewData->IsActive();

	SCTAB nCount = pDoc->GetTableCount();
	SCTAB i;
	String aString;
	SCTAB nMaxCnt = Max( nCount, static_cast<SCTAB>(GetMaxId()) );
    Color aTabBgColor;

	sal_Bool bModified = sal_False;										// Tabellen-Namen
	for (i=0; i<nMaxCnt && !bModified; i++)
	{
		if (pDoc->IsVisible(i))
        {
			pDoc->GetName(i,aString);
            aTabBgColor = pDoc->GetTabBgColor(i);
        }
		else
        {
			aString.Erase();
        }

        if ( (GetPageText(static_cast<sal_uInt16>(i)+1) != aString) || (GetTabBgColor(static_cast<sal_uInt16>(i)+1) != aTabBgColor) )
			bModified = sal_True;
	}

	if (bModified)
	{
		Clear();
		for (i=0; i<nCount; i++)
		{
			if (pDoc->IsVisible(i))
			{
				if (pDoc->GetName(i,aString))
				{
					if ( pDoc->IsScenario(i) )
						InsertPage( static_cast<sal_uInt16>(i)+1, aString, TPB_SPECIAL );
					else
						InsertPage( static_cast<sal_uInt16>(i)+1, aString );
                    if ( !pDoc->IsDefaultTabBgColor(i) )
                    {
                        aTabBgColor = pDoc->GetTabBgColor(i);
                        SetTabBgColor( static_cast<sal_uInt16>(i)+1, aTabBgColor );
                    }
				}
			}
		}
	}
	SetCurPageId( static_cast<sal_uInt16>(pViewData->GetTabNo()) + 1 );

	if (bActive)
	{
		bModified = sal_False;											// Selektion
		for (i=0; i<nMaxCnt && !bModified; i++)
			if ( rMark.GetTableSelect(i) != IsPageSelected(static_cast<sal_uInt16>(i)+1) )
				bModified = sal_True;

        // #i99576# the following loop is mis-optimized on unxsoli4 and the reason
        // why this file is in NOOPTFILES.
		if ( bModified )
			for (i=0; i<nCount; i++)
				SelectPage( static_cast<sal_uInt16>(i)+1, rMark.GetTableSelect(i) );
	}
	else
	{
	}
}

void ScTabControl::ActivateView(sal_Bool bActivate)
{
//	ScDocument* pDoc = pViewData->GetDocument();
	ScMarkData& rMark = pViewData->GetMarkData();

//	ResetMark direkt in TabView
//	pDoc->ResetMark();

	sal_uInt16 nCurId = GetCurPageId();
	if (!nCurId) return;			// kann vorkommen, wenn bei Excel-Import alles versteckt ist
	sal_uInt16 nPage = nCurId - 1;
//    sal_uInt16 nCount = GetMaxId();

	/*
	sal_uInt16 i;
	for (i=0; i<nCount; i++)
	{
		SelectPage( i+1, sal_False );
		if (bActivate)
			rMark.SelectTable( i, sal_False );
	}
	*/
	if (bActivate)
	{
		SelectPage( nPage+1, sal_True );
		rMark.SelectTable( static_cast<SCTAB>(nPage), sal_True );
	}
	Invalidate();
}

void ScTabControl::SetSheetLayoutRTL( sal_Bool bSheetRTL )
{
    SetEffectiveRTL( bSheetRTL );
    nSelPageIdByMouse = TabBar::PAGE_NOT_FOUND;
}


void ScTabControl::Command( const CommandEvent& rCEvt )
{
	ScModule*		pScMod	 = SC_MOD();
	ScTabViewShell* pViewSh  = pViewData->GetViewShell();
	sal_Bool 			bDisable = pScMod->IsFormulaMode() || pScMod->IsModalMode();

	// ViewFrame erstmal aktivieren (Bug 19493):
	pViewSh->SetActive();

	sal_uInt16 nCmd = rCEvt.GetCommand();
	if ( nCmd == COMMAND_CONTEXTMENU )
	{
		if (!bDisable)
		{
            // #i18735# select the page that is under the mouse cursor
            // if multiple tables are selected and the one under the cursor
            // is not part of them then unselect them
			sal_uInt16 nId = GetPageId( rCEvt.GetMousePosPixel() );
			if (nId)
			{
                sal_Bool bAlreadySelected = IsPageSelected( nId );
                //make the clicked page the current one
                SetCurPageId( nId );
                //change the selection when the current one is not already
                //selected or part of a multi selection
                if(!bAlreadySelected)
                {
                    sal_uInt16 nCount = GetMaxId();

                    for (sal_uInt16 i=1; i<=nCount; i++)
                        SelectPage( i, i==nId );
                    Select();
                }
			}

            // #i52073# OLE inplace editing has to be stopped before showing the sheet tab context menu
            pViewSh->DeactivateOle();

			//	Popup-Menu:
			//	get Dispatcher from ViewData (ViewFrame) instead of Shell (Frame), so it can't be null
			pViewData->GetDispatcher().ExecutePopup( ScResId(RID_POPUP_TAB) );
		}
	}
}

void ScTabControl::StartDrag( sal_Int8 /* nAction */, const Point& rPosPixel )
{
	ScModule* pScMod = SC_MOD();
	sal_Bool bDisable = pScMod->IsFormulaMode() || pScMod->IsModalMode();

	if (!bDisable)
	{
		Region aRegion( Rectangle(0,0,0,0) );
		CommandEvent aCEvt( rPosPixel, COMMAND_STARTDRAG, sal_True );	// needed for StartDrag
		if (TabBar::StartDrag( aCEvt, aRegion ))
			DoDrag( aRegion );
	}
}

void ScTabControl::DoDrag( const Region& /* rRegion */ )
{
	ScDocShell* pDocSh = pViewData->GetDocShell();
	ScDocument* pDoc = pDocSh->GetDocument();

	SCTAB nTab = pViewData->GetTabNo();
    ScRange aTabRange( 0, 0, nTab, MAXCOL, MAXROW, nTab );
	ScMarkData aTabMark = pViewData->GetMarkData();
	aTabMark.ResetMark();	// doesn't change marked table information
    aTabMark.SetMarkArea( aTabRange );

	ScDocument* pClipDoc = new ScDocument( SCDOCMODE_CLIP );
    ScClipParam aClipParam(aTabRange, false);
    pDoc->CopyToClip(aClipParam, pClipDoc, &aTabMark, false);

	TransferableObjectDescriptor aObjDesc;
	pDocSh->FillTransferableObjectDescriptor( aObjDesc );
	aObjDesc.maDisplayName = pDocSh->GetMedium()->GetURLObject().GetURLNoPass();
	// maSize is set in ScTransferObj ctor

	ScTransferObj* pTransferObj = new ScTransferObj( pClipDoc, aObjDesc );
	com::sun::star::uno::Reference<com::sun::star::datatransfer::XTransferable> xTransferable( pTransferObj );

	pTransferObj->SetDragSourceFlags( SC_DROP_TABLE );

	pTransferObj->SetDragSource( pDocSh, aTabMark );

	Window* pWindow = pViewData->GetActiveWin();
	SC_MOD()->SetDragObject( pTransferObj, NULL );		// for internal D&D
	pTransferObj->StartDrag( pWindow, DND_ACTION_COPYMOVE | DND_ACTION_LINK );
}

sal_uInt16 lcl_DocShellNr( ScDocument* pDoc )
{
	sal_uInt16 nShellCnt = 0;
	SfxObjectShell* pShell = SfxObjectShell::GetFirst();
	while ( pShell )
	{
		if ( pShell->Type() == TYPE(ScDocShell) )
		{
			if ( ((ScDocShell*)pShell)->GetDocument() == pDoc )
				return nShellCnt;

			++nShellCnt;
		}
		pShell = SfxObjectShell::GetNext( *pShell );
	}

	DBG_ERROR("Dokument nicht gefunden");
	return 0;
}

sal_Int8 ScTabControl::ExecuteDrop( const ExecuteDropEvent& rEvt )
{
	EndSwitchPage();

	ScDocument* pDoc = pViewData->GetDocument();
	const ScDragData& rData = SC_MOD()->GetDragData();
	if ( rData.pCellTransfer && ( rData.pCellTransfer->GetDragSourceFlags() & SC_DROP_TABLE ) &&
			rData.pCellTransfer->GetSourceDocument() == pDoc )
	{
		// moving of tables within the document
		SCTAB nPos = GetPrivatDropPos( rEvt.maPosPixel );
		HideDropPos();

        if ( nPos == rData.pCellTransfer->GetVisibleTab() && rEvt.mnAction == DND_ACTION_MOVE )
        {
            // #i83005# do nothing - don't move to the same position
            // (too easily triggered unintentionally, and might take a long time in large documents)
        }
        else
        {
            if ( !pDoc->GetChangeTrack() && pDoc->IsDocEditable() )
            {
                //! use table selection from the tab control where dragging was started?
                pViewData->GetView()->MoveTable( lcl_DocShellNr(pDoc), nPos, rEvt.mnAction != DND_ACTION_MOVE );

                rData.pCellTransfer->SetDragWasInternal();          // don't delete
                return sal_True;
            }
            else
                Sound::Beep();
        }
	}

	return 0;
}

sal_Int8 ScTabControl::AcceptDrop( const AcceptDropEvent& rEvt )
{
	if ( rEvt.mbLeaving )
	{
		EndSwitchPage();
		HideDropPos();
		return rEvt.mnAction;
	}

	const ScDocument* pDoc = pViewData->GetDocument();
	const ScDragData& rData = SC_MOD()->GetDragData();
	if ( rData.pCellTransfer && ( rData.pCellTransfer->GetDragSourceFlags() & SC_DROP_TABLE ) &&
			rData.pCellTransfer->GetSourceDocument() == pDoc )
	{
		// moving of tables within the document
		if ( !pDoc->GetChangeTrack() && pDoc->IsDocEditable() )
		{
			ShowDropPos( rEvt.maPosPixel );
			return rEvt.mnAction;
		}
	}
	else 					// switch sheets for all formats
	{
		SwitchPage( rEvt.maPosPixel );		// switch sheet after timeout
		return 0;							// nothing can be dropped here
	}

	return 0;
}

long ScTabControl::StartRenaming()
{
	if ( pViewData->GetDocument()->IsDocEditable() )
        return TABBAR_RENAMING_YES;
	else
        return TABBAR_RENAMING_NO;
}

long ScTabControl::AllowRenaming()
{
	ScTabViewShell* pViewSh = pViewData->GetViewShell();
	DBG_ASSERT( pViewSh, "pViewData->GetViewShell()" );

    long nRet = TABBAR_RENAMING_CANCEL;
	sal_uInt16 nId = GetEditPageId();
	if ( nId )
	{
		SCTAB nTab = nId - 1;
		String aNewName = GetEditText();
		sal_Bool bDone = pViewSh->RenameTable( aNewName, nTab );
		if ( bDone )
            nRet = TABBAR_RENAMING_YES;
		else if ( bErrorShown )
		{
			//	if the error message from this TabControl is currently visible,
			//	don't end edit mode now, to avoid problems when returning to
			//	the other call (showing the error) - this should not happen
			DBG_ERROR("ScTabControl::AllowRenaming: nested calls");
            nRet = TABBAR_RENAMING_NO;
		}
		else if ( Application::IsInModalMode() )
		{
			//	#73472# don't show error message above any modal dialog
			//	instead cancel renaming without error message
            nRet = TABBAR_RENAMING_CANCEL;
		}
		else
		{
			bErrorShown = sal_True;
			pViewSh->ErrorMessage( STR_INVALIDTABNAME );
			bErrorShown = sal_False;
            nRet = TABBAR_RENAMING_NO;
		}
	}
	return nRet;
}

void ScTabControl::EndRenaming()
{
	if ( HasFocus() )
		pViewData->GetView()->ActiveGrabFocus();
}

void ScTabControl::Mirror()
{
    TabBar::Mirror();
    if( nSelPageIdByMouse != TabBar::PAGE_NOT_FOUND )
    {
        Rectangle aRect( GetPageRect( GetCurPageId() ) );
        if( !aRect.IsEmpty() )
            SetPointerPosPixel( aRect.Center() );
        nSelPageIdByMouse = TabBar::PAGE_NOT_FOUND;  // only once after a Select()
    }
}