/**************************************************************
 * 
 * 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_sd.hxx"

#include "TabControl.hxx"

#include <sfx2/viewfrm.hxx>
#include <svx/svdlayer.hxx>
#include <svx/svdpagv.hxx>
#include <sfx2/dispatch.hxx>


#include "sdattr.hxx"
#include "app.hxx"
#include "app.hrc"
#include "glob.hrc"
#include "res_bmp.hrc"
#include "DrawViewShell.hxx"
#include "GraphicViewShell.hxx"
#include "helpids.h"
#include "View.hxx"
#include "sdpage.hxx"
#include "drawdoc.hxx"
#include "Window.hxx"
#include "unmodpg.hxx"
#include "DrawDocShell.hxx"
#include "sdresid.hxx"


namespace sd {

#define SWITCH_TIMEOUT	20

// -----------------------------------------
// - SdTabControl::SdPageObjsTransferable -
// -----------------------------------------

TabControl::TabControlTransferable::~TabControlTransferable()
{
}

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

void TabControl::TabControlTransferable::AddSupportedFormats()
{
	AddFormat( SOT_FORMATSTR_ID_STARDRAW_TABBAR );
}

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

sal_Bool TabControl::TabControlTransferable::GetData( const ::com::sun::star::datatransfer::DataFlavor& )
{
	return sal_False;
}

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

void TabControl::TabControlTransferable::DragFinished( sal_Int8 nDropAction )
{
	mrParent.DragFinished( nDropAction );
}

/*************************************************************************
|*
|* Standard-Konstruktor
|*
\************************************************************************/

TabControl::TabControl(DrawViewShell* pViewSh, Window* pParent) :
	TabBar( pParent, WinBits( WB_BORDER | WB_3DLOOK | WB_SCROLL | WB_SIZEABLE | WB_DRAG) ),
	DragSourceHelper( this ),
	DropTargetHelper( this ),
    RrePageID(1),
	pDrViewSh(pViewSh),
	bInternalMove(sal_False)
{
	EnableEditMode();
	SetSizePixel(Size(0, 0));
	SetMaxPageWidth( 150 );
    SetHelpId( HID_SD_TABBAR_PAGES );
}

/*************************************************************************
|*
|* Destruktor
|*
\************************************************************************/

TabControl::~TabControl()
{
}

/*************************************************************************
|*
\************************************************************************/

void TabControl::Select()
{
	SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();
	pDispatcher->Execute(SID_SWITCHPAGE, SFX_CALLMODE_ASYNCHRON |
							SFX_CALLMODE_RECORD);
}

/*************************************************************************
|*
\************************************************************************/

void  TabControl::MouseButtonDown(const MouseEvent& rMEvt)
{
	if (rMEvt.IsLeft()
        && !rMEvt.IsMod1() 
        && !rMEvt.IsMod2() 
        && !rMEvt.IsShift())
	{
		Point aPos = PixelToLogic( rMEvt.GetPosPixel() );
		sal_uInt16 aPageId = GetPageId(aPos);

		//Solution: initialize
        if(RrePageID!=aPageId)
			pDrViewSh->FreshNavigatrEntry(); 
		RrePageID=aPageId;
		if (aPageId == 0)
		{
			SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();

			pDispatcher->Execute(SID_INSERTPAGE_QUICK,
								SFX_CALLMODE_SYNCHRON | SFX_CALLMODE_RECORD);
		}
	}

    // A single left click with pressed control key on a tab page first
    // switches to that page before the usual handling (copying with drag
    // and drop) takes place.
	else if (rMEvt.IsLeft() && rMEvt.IsMod1() && !rMEvt.IsMod2() && !rMEvt.IsShift())
    {
        pDrViewSh->SwitchPage (GetPageId (rMEvt.GetPosPixel()) - 1);
    }

    // When only the right button is pressed then first process a
    // synthesized left button click to make the page the current one
    // whose tab has been clicked.  When then the actual right button
    // click is processed the resulting context menu relates to the
    // now current page.
    if (rMEvt.IsRight() && ! rMEvt.IsLeft())
    {
        MouseEvent aSyntheticEvent (
            rMEvt.GetPosPixel(),
            rMEvt.GetClicks(),
            rMEvt.GetMode(),
            MOUSE_LEFT,
            rMEvt.GetModifier());
        TabBar::MouseButtonDown(aSyntheticEvent);
    }

	TabBar::MouseButtonDown(rMEvt);
}

/*************************************************************************
|*
\************************************************************************/

void TabControl::DoubleClick()
{
	if (GetCurPageId() != 0)
	{
		SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();
		pDispatcher->Execute( SID_MODIFYPAGE,
						SFX_CALLMODE_SYNCHRON | SFX_CALLMODE_RECORD );
	}
}

/*************************************************************************
|*
|* StartDrag-Request
|*
\************************************************************************/

void TabControl::StartDrag( sal_Int8, const Point& )
{
	bInternalMove = sal_True;

	// object is delete by reference mechanismn
	( new TabControl::TabControlTransferable( *this ) )->StartDrag( this, DND_ACTION_COPYMOVE );
}

/*************************************************************************
|*
|* DragFinished
|*
\************************************************************************/

void TabControl::DragFinished( sal_Int8 )
{
	bInternalMove = sal_False;
}

/*************************************************************************
|*
|* AcceptDrop-Event
|*
\************************************************************************/

sal_Int8 TabControl::AcceptDrop( const AcceptDropEvent& rEvt )
{
	sal_Int8 nRet = DND_ACTION_NONE;

	if( rEvt.mbLeaving )
		EndSwitchPage();

	if( !pDrViewSh->GetDocSh()->IsReadOnly() )
	{
		SdDrawDocument* pDoc = pDrViewSh->GetDoc();
		Point			aPos( rEvt.maPosPixel );

		if( bInternalMove )
		{
			if( rEvt.mbLeaving || ( pDrViewSh->GetEditMode() == EM_MASTERPAGE ) )
				HideDropPos();
			else
			{
				ShowDropPos( aPos );
				nRet = rEvt.mnAction;
			}
		}
		else
		{
			HideDropPos();

			sal_Int32 nPageId = GetPageId( aPos ) - 1;

			if( ( nPageId >= 0 ) && pDoc->GetPage( (sal_uInt16)nPageId ) )
			{
				nRet = pDrViewSh->AcceptDrop( rEvt, *this, NULL, (sal_uInt16)nPageId, SDRLAYER_NOTFOUND );
				SwitchPage( aPos );
			}
		}
	}

	return nRet;
}

/*************************************************************************
|*
|* ExecuteDrop-Event
|*
\************************************************************************/

sal_Int8 TabControl::ExecuteDrop( const ExecuteDropEvent& rEvt )
{
	SdDrawDocument* pDoc = pDrViewSh->GetDoc();
	Point			aPos( rEvt.maPosPixel );
	sal_Int8		nRet = DND_ACTION_NONE;

	if( bInternalMove )
	{
		sal_uInt16 nPageId = ShowDropPos( aPos ) - 1;

        switch (rEvt.mnAction)
        {
            case DND_ACTION_MOVE:
                if( pDrViewSh->IsSwitchPageAllowed() && pDoc->MovePages( nPageId ) )
                {
                    SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();
                    pDispatcher->Execute(SID_SWITCHPAGE, SFX_CALLMODE_ASYNCHRON | SFX_CALLMODE_RECORD);
                }
                break;
                
            case DND_ACTION_COPY:
            {
                // Copying the selected page to the place that rEvt points
                // takes place in three steps:
                // 1. Create a copy of the selected page.  This copy will
                // lie directly behind the selected page.
                // 2. Move the copy to the desired place.
                // 3. Select the copy.
                if (pDrViewSh->IsSwitchPageAllowed())
                {
                    // 1. Create a copy.
                    sal_uInt16 nPageNumOfCopy = pDoc->DuplicatePage (GetCurPageId() - 1);
                    // 2. Move page.  For this first switch to the copy:
                    // MovePages operates on the currently selected page(s).
                    pDrViewSh->SwitchPage (nPageNumOfCopy);
                    // Adapt target page id when necessary, i.e. page copy
                    // has been inserted in front of the target page.
                    sal_uInt16 nPageNum = nPageId;
                    if ((nPageNumOfCopy <= nPageNum) && (nPageNum != (sal_uInt16)-1))
                        nPageNum += 1;
                    if (pDoc->MovePages(nPageNum))
                    {
                        // 3. Switch to the copy that has been moved to its
                        // final destination.  Use an asynchron slot call to
                        // be executed after the still pending ones.
                        if (nPageNumOfCopy >= nPageNum || (nPageNum == (sal_uInt16)-1))
                            nPageNum += 1;
                        SetCurPageId (GetPageId(nPageNum));
                        SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();
                        pDispatcher->Execute(SID_SWITCHPAGE,
                            SFX_CALLMODE_ASYNCHRON | SFX_CALLMODE_RECORD);
                    }
                }

                break;
            }
        }

		nRet = rEvt.mnAction;
	}
	else
	{
		sal_Int32 nPageId = GetPageId( aPos ) - 1;

		if( ( nPageId >= 0 ) && pDoc->GetPage( (sal_uInt16)nPageId ) )
		{
			nRet = pDrViewSh->ExecuteDrop( rEvt, *this, NULL, (sal_uInt16)nPageId, SDRLAYER_NOTFOUND );
		}
	}

	HideDropPos();
	EndSwitchPage();

	return nRet;
}

/*************************************************************************
|*
\************************************************************************/

void TabControl::Command(const CommandEvent& rCEvt)
{
	sal_uInt16 nCmd = rCEvt.GetCommand();

	if ( nCmd == COMMAND_CONTEXTMENU )
	{
		sal_Bool bGraphicShell = pDrViewSh->ISA(GraphicViewShell);
		sal_uInt16 nResId = bGraphicShell ? RID_GRAPHIC_PAGETAB_POPUP :
										RID_DRAW_PAGETAB_POPUP;
		SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();
		pDispatcher->ExecutePopup( SdResId( nResId ) );
	}
}

/*************************************************************************
|*
\************************************************************************/

long TabControl::StartRenaming()
{
	sal_Bool bOK = sal_False;

	if (pDrViewSh->GetPageKind() == PK_STANDARD)
	{
		bOK = sal_True;

		::sd::View* pView = pDrViewSh->GetView();

		if ( pView->IsTextEdit() )
			pView->SdrEndTextEdit();
	}

	return( bOK );
}

/*************************************************************************
|*
\************************************************************************/

long TabControl::AllowRenaming()
{
	sal_Bool bOK = sal_True;

	String aNewName( GetEditText() );
	String aCompareName( GetPageText( GetEditPageId() ) );

	if( aCompareName != aNewName )
	{
        // Seite umbenennen
        if( pDrViewSh->GetDocSh()->CheckPageName( this, aNewName ) )
        {
            SetEditText( aNewName );
            EndRenaming();
        }
        else
        {
            bOK = sal_False;
        }
	}
	return( bOK );
}

/*************************************************************************
|*
\************************************************************************/

void TabControl::EndRenaming()
{
	if( !IsEditModeCanceled() )
        pDrViewSh->RenameSlide( GetEditPageId(), GetEditText() );
}


/*************************************************************************
|*
\************************************************************************/

void TabControl::ActivatePage()
{
	if ( /*IsInSwitching && */ pDrViewSh->IsSwitchPageAllowed() )
	{
		SfxDispatcher* pDispatcher = pDrViewSh->GetViewFrame()->GetDispatcher();
		pDispatcher->Execute(SID_SWITCHPAGE,
							 SFX_CALLMODE_ASYNCHRON | SFX_CALLMODE_RECORD);
	}
}


/*************************************************************************
|*
\************************************************************************/

long TabControl::DeactivatePage()
{
	return pDrViewSh->IsSwitchPageAllowed();
}




void TabControl::SendActivatePageEvent (void)
{
    CallEventListeners (VCLEVENT_TABBAR_PAGEACTIVATED,
        reinterpret_cast<void*>(GetCurPageId()));
}




void TabControl::SendDeactivatePageEvent (void)
{
	CallEventListeners (VCLEVENT_TABBAR_PAGEDEACTIVATED,
        reinterpret_cast<void*>(GetCurPageId()));
}

} // end of namespace sd