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 *
 * 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.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"

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

#include <editeng/eeitem.hxx>

#include <editeng/flditem.hxx>

#include <editeng/editview.hxx>
#include <svx/svdobj.hxx>
#include <svx/svdpagv.hxx>
#include <svtools/imapobj.hxx>
#include <vcl/cursor.hxx>
#include <vcl/help.hxx>
#include <tools/urlobj.hxx>
#include <sfx2/viewfrm.hxx>

#include <unotools/localedatawrapper.hxx>

#include "viewuno.hxx"
#include "AccessibleDocument.hxx"
#include <com/sun/star/accessibility/XAccessible.hpp>

#include "gridwin.hxx"
#include "viewdata.hxx"
#include "drawview.hxx"
#include "drwlayer.hxx"
#include "drawpage.hxx"
#include "document.hxx"
#include "notemark.hxx"
#include "chgtrack.hxx"
#include "chgviset.hxx"
#include "dbfunc.hxx"
#include "tabvwsh.hxx"
#include "userdat.hxx"
#include "postit.hxx"
#include <vcl/svapp.hxx>

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

ScHideTextCursor::ScHideTextCursor( ScViewData* pData, ScSplitPos eW ) :
	pViewData(pData),
	eWhich(eW)
{
	Window* pWin = pViewData->GetView()->GetWindowByPos( eWhich );
	if (pWin)
	{
		Cursor* pCur = pWin->GetCursor();
		if ( pCur && pCur->IsVisible() )
			pCur->Hide();
	}
}

ScHideTextCursor::~ScHideTextCursor()
{
	Window* pWin = pViewData->GetView()->GetWindowByPos( eWhich );
	if (pWin)
	{
		// restore text cursor
		if ( pViewData->HasEditView(eWhich) && pWin->HasFocus() )
			pViewData->GetEditView(eWhich)->ShowCursor( sal_False, sal_True );
	}
}

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

sal_Bool ScGridWindow::ShowNoteMarker( SCsCOL nPosX, SCsROW nPosY, sal_Bool bKeyboard )
{
	sal_Bool bDone = sal_False;

	ScDocument* pDoc = pViewData->GetDocument();
	SCTAB		nTab = pViewData->GetTabNo();
	ScAddress	aCellPos( nPosX, nPosY, nTab );

	String aTrackText;
	sal_Bool bLeftEdge = sal_False;

	// Change-Tracking

	ScChangeTrack* pTrack = pDoc->GetChangeTrack();
	ScChangeViewSettings* pSettings = pDoc->GetChangeViewSettings();
	if ( pTrack && pTrack->GetFirst() && pSettings && pSettings->ShowChanges())
	{
		const ScChangeAction* pFound = NULL;
		const ScChangeAction* pFoundContent = NULL;
		const ScChangeAction* pFoundMove = NULL;
		long nModified = 0;
		const ScChangeAction* pAction = pTrack->GetFirst();
		while (pAction)
		{
			if ( pAction->IsVisible() &&
				 ScViewUtil::IsActionShown( *pAction, *pSettings, *pDoc ) )
			{
				ScChangeActionType eType = pAction->GetType();
				const ScBigRange& rBig = pAction->GetBigRange();
				if ( rBig.aStart.Tab() == nTab )
				{
					ScRange aRange = rBig.MakeRange();

					if ( eType == SC_CAT_DELETE_ROWS )
						aRange.aEnd.SetRow( aRange.aStart.Row() );
					else if ( eType == SC_CAT_DELETE_COLS )
						aRange.aEnd.SetCol( aRange.aStart.Col() );

					if ( aRange.In( aCellPos ) )
					{
						pFound = pAction; // der letzte gewinnt
						switch ( eType )
						{
							case SC_CAT_CONTENT :
								pFoundContent = pAction;
							break;
							case SC_CAT_MOVE :
								pFoundMove = pAction;
							break;
							default:
							{
								// added to avoid warnings
							}
						}
						++nModified;
					}
				}
				if ( eType == SC_CAT_MOVE )
				{
					ScRange aRange =
						((const ScChangeActionMove*)pAction)->
						GetFromRange().MakeRange();
					if ( aRange.In( aCellPos ) )
					{
						pFound = pAction;
						++nModified;
					}
				}
			}
			pAction = pAction->GetNext();
		}

		if ( pFound )
		{
			if ( pFoundContent && pFound->GetType() != SC_CAT_CONTENT )
				pFound = pFoundContent; // Content gewinnt
			if ( pFoundMove && pFound->GetType() != SC_CAT_MOVE &&
					pFoundMove->GetActionNumber() >
					pFound->GetActionNumber() )
				pFound = pFoundMove; // Move gewinnt

			// bei geloeschten Spalten: Pfeil auf die linke Seite der Zelle
			if ( pFound->GetType() == SC_CAT_DELETE_COLS )
				bLeftEdge = sal_True;

			DateTime aDT = pFound->GetDateTime();
			aTrackText = pFound->GetUser();
			aTrackText.AppendAscii(RTL_CONSTASCII_STRINGPARAM( " - " ));
			aTrackText += ScGlobal::pLocaleData->getDate(aDT);
			aTrackText += ' ';
			aTrackText += ScGlobal::pLocaleData->getTime(aDT);
			aTrackText.AppendAscii(RTL_CONSTASCII_STRINGPARAM( "\n" ));
			String aComStr=pFound->GetComment();
			if(aComStr.Len()>0)
			{
				aTrackText += aComStr;
				aTrackText.AppendAscii(RTL_CONSTASCII_STRINGPARAM( "\n(" ));
			}
			pFound->GetDescription( aTrackText, pDoc );
			if(aComStr.Len()>0)
			{
				aTrackText +=')';
			}
		}
	}

	// Notiz nur, wenn sie nicht schon auf dem Drawing-Layer angezeigt wird:
	const ScPostIt* pNote = pDoc->GetNote( aCellPos );
	if ( (aTrackText.Len() > 0) || (pNote && !pNote->IsCaptionShown()) )
	{
		sal_Bool bNew = sal_True;
		sal_Bool bFast = sal_False;
		if ( pNoteMarker ) // schon eine Notiz angezeigt
		{
			if ( pNoteMarker->GetDocPos() == aCellPos )	// dieselbe
				bNew = sal_False;							// dann stehenlassen
			else
				bFast = sal_True;							// sonst sofort

			// marker which was shown for ctrl-F1 isn't removed by mouse events
			if ( pNoteMarker->IsByKeyboard() && !bKeyboard )
				bNew = sal_False;
		}
		if ( bNew )
		{
			if ( bKeyboard )
				bFast = sal_True; // keyboard also shows the marker immediately

			delete pNoteMarker;

			bool bHSplit = pViewData->GetHSplitMode() != SC_SPLIT_NONE;
			bool bVSplit = pViewData->GetVSplitMode() != SC_SPLIT_NONE;

			Window* pLeft = pViewData->GetView()->GetWindowByPos( bVSplit ? SC_SPLIT_TOPLEFT : SC_SPLIT_BOTTOMLEFT );
			Window* pRight = bHSplit ? pViewData->GetView()->GetWindowByPos( bVSplit ? SC_SPLIT_TOPRIGHT : SC_SPLIT_BOTTOMRIGHT ) : 0;
			Window* pBottom = bVSplit ? pViewData->GetView()->GetWindowByPos( SC_SPLIT_BOTTOMLEFT ) : 0;
			Window* pDiagonal = (bHSplit && bVSplit) ? pViewData->GetView()->GetWindowByPos( SC_SPLIT_BOTTOMRIGHT ) : 0;
			DBG_ASSERT( pLeft, "ScGridWindow::ShowNoteMarker - missing top-left grid window" );

			/* If caption is shown from right or bottom windows, adjust mapmode to include size of top-left window. */
			MapMode aMapMode = GetDrawMapMode( sal_True );
			Size aLeftSize = pLeft->PixelToLogic( pLeft->GetOutputSizePixel(), aMapMode );
			Point aOrigin = aMapMode.GetOrigin();
			if( (this == pRight) || (this == pDiagonal) )
				aOrigin.X() += aLeftSize.Width();
			if( (this == pBottom) || (this == pDiagonal) )
				aOrigin.Y() += aLeftSize.Height();
			aMapMode.SetOrigin( aOrigin );

			pNoteMarker = new ScNoteMarker( pLeft, pRight, pBottom, pDiagonal,
											pDoc, aCellPos, aTrackText,
											aMapMode, bLeftEdge, bFast, bKeyboard );
		}

		bDone = sal_True; // something is shown (old or new)
	}

	return bDone;
}

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

void ScGridWindow::RequestHelp(const HelpEvent& rHEvt)
{
	sal_Bool bDone = sal_False;
	sal_Bool bHelpEnabled = ( rHEvt.GetMode() & ( HELPMODE_BALLOON | HELPMODE_QUICK ) ) != 0;
	SdrView* pDrView = pViewData->GetScDrawView();

	sal_Bool bDrawTextEdit = sal_False;
	if (pDrView)
		bDrawTextEdit = pDrView->IsTextEdit();

	// notes or change tracking

	if ( bHelpEnabled && !bDrawTextEdit )
	{
		Point		aPosPixel = ScreenToOutputPixel( rHEvt.GetMousePosPixel() );
		SCsCOL nPosX;
		SCsROW nPosY;
		pViewData->GetPosFromPixel( aPosPixel.X(), aPosPixel.Y(), eWhich, nPosX, nPosY );

		if ( ShowNoteMarker( nPosX, nPosY, sal_False ) )
		{
			Window::RequestHelp( rHEvt ); // alte Tip/Balloon ausschalten
			bDone = sal_True;
		}
	}

	if ( !bDone && pNoteMarker )
	{
		if ( pNoteMarker->IsByKeyboard() )
		{
			// marker which was shown for ctrl-F1 isn't removed by mouse events
		}
		else
			DELETEZ(pNoteMarker);
	}

	// Image-Map / Text-URL

	if ( bHelpEnabled && !bDone && !nButtonDown ) // nur ohne gedrueckten Button
	{
		String aHelpText;
		Rectangle aPixRect;
		Point aPosPixel = ScreenToOutputPixel( rHEvt.GetMousePosPixel() );

		if ( pDrView ) // URL / Image-Map
		{
			SdrViewEvent aVEvt;
			MouseEvent aMEvt( aPosPixel, 1, 0, MOUSE_LEFT );
			SdrHitKind eHit = pDrView->PickAnything( aMEvt, SDRMOUSEBUTTONDOWN, aVEvt );

			if ( eHit != SDRHIT_NONE && aVEvt.pObj != NULL )
			{
				// URL fuer IMapObject unter Pointer ist Hilfetext
				if ( ScDrawLayer::GetIMapInfo( aVEvt.pObj ) )
				{
					Point aLogicPos = PixelToLogic( aPosPixel );
					IMapObject* pIMapObj = ScDrawLayer::GetHitIMapObject(
													aVEvt.pObj, aLogicPos, *this );

					if ( pIMapObj )
					{
						// #44990# Bei ImageMaps die Description anzeigen, wenn vorhanden
						aHelpText = pIMapObj->GetAltText();
						if (!aHelpText.Len())
							aHelpText = pIMapObj->GetURL();
						aPixRect = LogicToPixel(aVEvt.pObj->GetLogicRect());
					}
				}
				// URL in shape text or at shape itself (URL in text overrides object URL)
				if ( aHelpText.Len() == 0 )
				{
					if( aVEvt.eEvent == SDREVENT_EXECUTEURL )
					{
						aHelpText = aVEvt.pURLField->GetURL();
						aPixRect = LogicToPixel(aVEvt.pObj->GetLogicRect());
					}
					else
					{
						SdrObject* pObj = 0;
						SdrPageView* pPV = 0;
						Point aMDPos = PixelToLogic( aPosPixel );
						if ( pDrView->PickObj(aMDPos, pDrView->getHitTolLog(), pObj, pPV, SDRSEARCH_ALSOONMASTER) )
						{
							if ( pObj->IsGroupObject() )
							{
								SdrObject* pHit = 0;
								if ( pDrView->PickObj(aMDPos, pDrView->getHitTolLog(), pHit, pPV, SDRSEARCH_DEEP ) )
									pObj = pHit;
							}
#ifdef ISSUE66550_HLINK_FOR_SHAPES
							ScMacroInfo* pInfo = ScDrawLayer::GetMacroInfo( pObj );
							if ( pInfo && (pInfo->GetHlink().getLength() > 0) )
							{
								aPixRect = LogicToPixel(aVEvt.pObj->GetLogicRect());
								aHelpText = pInfo->GetHlink();
							}
#endif
					}
					}
				}
			}
		}

		if ( !aHelpText.Len() ) // Text-URL
		{
			String aUrl;
			if ( GetEditUrl( aPosPixel, NULL, &aUrl, NULL ) )
			{
				aHelpText = INetURLObject::decode( aUrl, INET_HEX_ESCAPE,
					INetURLObject::DECODE_UNAMBIGUOUS );

				ScDocument* pDoc = pViewData->GetDocument();
				SCsCOL nPosX;
				SCsROW nPosY;
				SCTAB  nTab = pViewData->GetTabNo();
				pViewData->GetPosFromPixel( aPosPixel.X(), aPosPixel.Y(), eWhich, nPosX, nPosY );
				const ScPatternAttr* pPattern = pDoc->GetPattern( nPosX, nPosY, nTab );

				ScHideTextCursor aHideCursor( pViewData, eWhich ); // MapMode is changed in GetEditArea

				// bForceToTop = sal_False, use the cell's real position
				aPixRect = pViewData->GetEditArea( eWhich, nPosX, nPosY, this, pPattern, sal_False );
			}
		}

		if ( aHelpText.Len() )
		{
			Rectangle aScreenRect(OutputToScreenPixel(aPixRect.TopLeft()),
									OutputToScreenPixel(aPixRect.BottomRight()));

			if ( rHEvt.GetMode() & HELPMODE_BALLOON )
				Help::ShowBalloon(this,rHEvt.GetMousePosPixel(), aScreenRect, aHelpText);
			else if ( rHEvt.GetMode() & HELPMODE_QUICK )
				Help::ShowQuickHelp(this,aScreenRect, aHelpText);

			bDone = sal_True;
		}
	}

	// Basic-Controls

	if ( pDrView && bHelpEnabled && !bDone )
	{
		SdrPageView* pPV = pDrView->GetSdrPageView();
		DBG_ASSERT( pPV, "SdrPageView* ist NULL" );
		if (pPV)
			bDone = ((ScDrawPage*)pPV->GetPage())->RequestHelp( this, pDrView, rHEvt );
	}

	// Wenn QuickHelp fuer AutoFill angezeigt wird, nicht wieder wegnehmen lassen

	if ( nMouseStatus == SC_GM_TABDOWN && pViewData->GetRefType() == SC_REFTYPE_FILL &&
			Help::IsQuickHelpEnabled() )
		bDone = sal_True;

	if (!bDone)
		Window::RequestHelp( rHEvt );
}

sal_Bool ScGridWindow::IsMyModel(SdrEditView* pSdrView)
{
	return pSdrView &&
			pSdrView->GetModel() == pViewData->GetDocument()->GetDrawLayer();
}

void ScGridWindow::HideNoteMarker()
{
	DELETEZ(pNoteMarker);
}

com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
	ScGridWindow::CreateAccessible()
{
	com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > xAcc= GetAccessible(sal_False);
	if (xAcc.is())
	{
		return xAcc;
	}
	ScAccessibleDocument* pAccessibleDocument =
		new ScAccessibleDocument(GetAccessibleParentWindow()->GetAccessible(),
			pViewData->GetViewShell(), eWhich);
	xAcc = pAccessibleDocument;
	SetAccessible(xAcc);

	pAccessibleDocument->Init();
	return xAcc;
}
// MT: Removed Windows::SwitchView() introduced with IA2 CWS.
// There are other notifications for this when the active view has changed, so please update the code to use that event mechanism
void ScGridWindow::SwitchView()
{
	if (!Application::IsAccessibilityEnabled())
	{
		return ;
	}
	ScAccessibleDocumentBase* pAccDoc = static_cast<ScAccessibleDocumentBase*>(GetAccessible(sal_False).get());
	if (pAccDoc)
	{
		pAccDoc->SwitchViewFireFocus();
	}
}