path: root/sw/source/ui/docvw/PostItMgr.cxx

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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: PostItMgr.cxx,v $
 *
 * $Revision: 1.6 $
 *
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 * GNU Lesser General Public License version 3 for more details
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sw.hxx"

#include "PostItMgr.hxx"

#include <svtools/smplhint.hxx>

#include <vcl/svapp.hxx>
#include <vcl/scrbar.hxx>

#ifndef _SWMODULE_HXX

#include <swmodule.hxx>

#endif
#include <viewopt.hxx>

#include <view.hxx>
#include <docsh.hxx>
#include <wrtsh.hxx>
#include <doc.hxx>
#include <fldbas.hxx>
#include <fmtfld.hxx>
#include <docufld.hxx>
#include <edtwin.hxx>
#include <postit.hxx>
#include <txtfld.hxx>
#include <ndtxt.hxx>
#include <SwRewriter.hxx>
#include <undobj.hxx>
#include <tools/color.hxx>

#include <sfx2/request.hxx>

#include "cmdid.h"

#include "../../core/inc/frame.hxx"
#include "../../core/inc/cntfrm.hxx"
#include "../../core/inc/pagefrm.hxx"
#include "../../core/inc/rootfrm.hxx"
#include "../../core/inc/frmtool.hxx"

#include <sfx2/event.hxx>
#include <svx/langitem.hxx>
#include <vcl/outdev.hxx>

#include <i18npool/mslangid.hxx>
#include <i18npool/lang.h>

#include "swevent.hxx"
#include <sfx2/event.hxx>

// distance between ankor Y and initial note position
#define POSTIT_INITIAL_ANKOR_DISTANCE       20
//distance between two postits
#define POSTIT_SPACE_BETWEEN                8
#define POSTIT_MINIMUMSIZE_WITH_META        60
#define POSTIT_SCROLL_SIDEBAR_HEIGHT        20

// if we layout more often we stop, this should never happen
#define MAX_LOOP_COUNT                      50

bool comp_author( const SwPostItItem* a, const SwPostItItem* b)
{
    return a->pFmtFld->GetFld()->GetPar1() < b->pFmtFld->GetFld()->GetPar1();
}

bool comp_date( const SwPostItItem* a, const SwPostItItem* b)
{
    return static_cast<SwPostItField*>(a->pFmtFld->GetFld())->GetDate()  < static_cast<SwPostItField*>(b->pFmtFld->GetFld())->GetDate();
}

bool comp_pos(const SwPostItItem *a, const SwPostItItem *b)
{
    // if notes are on the same line, sort by x position, otherwise by y position
    return (a->mPos.Bottom() == b->mPos.Bottom()) ? a->mPos.Left() < b->mPos.Left() : a->mPos.Bottom() < b->mPos.Bottom();
}

bool comp_id(const SwPostItItem *a, const SwPostItItem *b)
{
    #define TXTFLD pFmtFld->GetTxtFld()
    if (a->TXTFLD->GetTxtNode().FindFlyStartNode() || b->TXTFLD->GetTxtNode().FindFlyStartNode() ||
        a->TXTFLD->GetTxtNode().FindHeaderStartNode() || a->TXTFLD->GetTxtNode().FindFooterStartNode() ||
        b->TXTFLD->GetTxtNode().FindHeaderStartNode() || b->TXTFLD->GetTxtNode().FindFooterStartNode())
        return (a->mPos.Bottom() == b->mPos.Bottom()) ? a->mPos.Left() < b->mPos.Left() : a->mPos.Bottom() < b->mPos.Bottom();
    else
        return ((*a->TXTFLD->GetPosition()) < (*b->TXTFLD->GetPosition()));
}

SwPostItMgr::SwPostItMgr(SwView* pView)
    : mpView(pView)
    , mpWrtShell(mpView->GetDocShell()->GetWrtShell())
    , mpEditWin(&mpView->GetEditWin())
    , mnEventId(0)
    , mbWaitingForCalcRects(false)
    , mpActivePostIt(0)
    , mbLayout(false)
    , mbLayoutHeight(0)
    , mbLayouting(false)
    , mbDeletingSeveral(false)
{
    if(!mpView->GetDrawView() )
        mpView->GetWrtShell().MakeDrawView();
    // collect all PostIts that exist after loading the document
    // don't check for existance for any of them, don't focus them
    AddPostIts(false,false);
    StartListening(*mpView->GetDocShell());
    if (!mvPostItFlds.empty())
    {
        mbWaitingForCalcRects = true;
        mnEventId = Application::PostUserEvent( LINK( this, SwPostItMgr, CalcHdl), 0 );
    }
}

SwPostItMgr::~SwPostItMgr()
{
    if ( mnEventId )
        Application::RemoveUserEvent( mnEventId );
    // forget about all PostItFields
    RemovePostIts();
    EndListening( *mpView->GetDocShell() );

    for(std::vector<SwPostItPageItem*>::iterator i = mPages.begin(); i!= mPages.end() ; i++)
        delete (*i);
    mPages.clear();
}

void SwPostItMgr::CheckForRemovedPostIts()
{
    bool bRemoved = false;
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end(); )
    {
        std::list<SwPostItItem*>::iterator it = i++;
        if ( !(*it)->pFmtFld->IsFldInDoc() )
        {
            SwPostItItem* p = (*it);
            mvPostItFlds.remove(*it);
            delete p->pPostIt;
            delete p;
            bRemoved = true;
        }
    }

    if ( bRemoved )
    {
        // make sure that no deleted items remain in page lists
        // todo: only remove deleted ones?!
        if ( mvPostItFlds.empty() )
            PreparePageContainer();
        else
            // if postits are their make sure that page lists are not empty
            // otherwise sudden paints can cause pain (in BorderOverPageBorder)
            CalcRects();
    }
}

void SwPostItMgr::InsertFld(SwFmtFld* aField, bool bCheckExistance, bool bFocus)
{
    if (bCheckExistance)
    {
        for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        {
            if ( (*i)->pFmtFld == aField )
                return;
        }
    }
    mbLayout = bFocus;
    mvPostItFlds.push_back(new SwPostItItem(aField, true, bFocus) );
    // listen for removal of field
    StartListening( *aField );
}

void SwPostItMgr::RemoveFld( SfxBroadcaster* pFld )
{
    bool bRemoved = false;
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        if ( (*i)->pFmtFld == pFld )
        {
            SwPostItItem* p = (*i);
            mvPostItFlds.remove(*i);
            if (GetActivePostIt() == p->pPostIt)
                SetActivePostIt(0);
            //use lazyDelete due to assertion: "object still in use"
            if (p->pPostIt)
                p->pPostIt->doLazyDelete();
            delete p;
            bRemoved = true;
            break;
        }
    }

    if ( bRemoved )
    {
        // make sure that no deleted items remain in page lists
        // todo: only remove deleted ones?!
        if ( mvPostItFlds.empty() )
            PreparePageContainer();
        else
        {
            // if postits are there make sure that page lists are not empty
            // otherwise sudden paints can cause pain (in BorderOverPageBorder)
            if (!mbDeletingSeveral)
            {
                mbLayout = true;
                CalcRects();
                LayoutPostIts();
            }
        }
    }
}

void SwPostItMgr::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
    if ( rHint.IsA(TYPE(SfxEventHint) ) )
    {
        sal_uInt32 nId = ((SfxEventHint&)rHint).GetEventId();
        if ( nId == SW_EVENT_LAYOUT_FINISHED )
        {
            if ( !mbWaitingForCalcRects && !mvPostItFlds.empty())
            {
                mbWaitingForCalcRects = true;
                mnEventId = Application::PostUserEvent( LINK( this, SwPostItMgr, CalcHdl), 0 );
            }
        }
    }
    else if ( rHint.IsA(TYPE(SfxSimpleHint) ) )
    {
        sal_uInt32 nId = ((SfxSimpleHint&)rHint).GetId();
        switch ( nId )
        {
            case SFX_HINT_MODECHANGED:
            {
                SetReadOnlyState();
            }
            break;
            case SFX_HINT_DOCCHANGED:
            {
                if ( mpView->GetDocShell() == &rBC )
                {
                    if ( !mbWaitingForCalcRects && !mvPostItFlds.empty())
                    {
                        mbWaitingForCalcRects = true;
                        mnEventId = Application::PostUserEvent( LINK( this, SwPostItMgr, CalcHdl), 0 );
                    }
                }
                break;
            }
            case SFX_HINT_DYING:
            {
                if ( mpView->GetDocShell() != &rBC )
                {
                    // field to be removed is the broadcaster
                    DBG_ERROR("Notification for removed SwFmtFld was not sent!");
                    RemoveFld(&rBC);
                    PrepareView();
                }
                break;
            }
        }
    }
    else if ( rHint.IsA(TYPE(SwFmtFldHint) ) )
    {
        SwFmtFld* pFld = const_cast <SwFmtFld*>( ((SwFmtFldHint&)rHint).GetField() );
        switch ( ((SwFmtFldHint&)rHint).Which() )
        {
            case SWFMTFLD_INSERTED :
            {
                if (!pFld)
                {
                    AddPostIts(true);
                    break;
                }

                // get field to be inserted from hint
                if ( pFld->IsFldInDoc() )
                {
                    bool bEmpty = mvPostItFlds.empty();
                    InsertFld( pFld, true, false );
                    if (bEmpty && !mvPostItFlds.empty())
                    {
                        if ( !mbWaitingForCalcRects)
                        {
                            mbWaitingForCalcRects = true;
                            mnEventId = Application::PostUserEvent( LINK( this, SwPostItMgr, CalcHdl), 0 );
                        }

                        //mpView->DocSzChgd( mpWrtShell->GetDocSize() );
                        SwRootFrm* pLayout = mpWrtShell->GetLayout();
                        if ( pLayout )
                            pLayout->SetSidebarChanged();

                        mpEditWin->Invalidate();
                    }
                }
                else
                    DBG_ERROR( "Inserted field not in document!" );
                break;
            }
            case SWFMTFLD_REMOVED:
            {
                if (!pFld)
                {
                    CheckForRemovedPostIts();
                    break;
                }

                // get field to be removed from hint
                EndListening( *pFld );
                RemoveFld(pFld);
                PrepareView();
                break;
            }
            case SWFMTFLD_FOCUS:
            {
                if (!mpWrtShell->GetViewOptions()->IsPostIts())
                {
                    SfxRequest aRequest(mpView->GetViewFrame(),FN_VIEW_NOTES);
                    mpView->ExecViewOptions(aRequest);
                }
                // field to get the focus is the broadcaster, SwFmtFld in Hint may be NULL
                SwFmtFld* pFmtFld = dynamic_cast<SwFmtFld*>(&rBC);
                for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
                {
                    if ( pFmtFld == (*i)->pFmtFld )
                    {
                        const SwPageFrm* aPage = mpWrtShell->GetLayout()->GetPageAtPos(mpWrtShell->GetCharRect().Pos());
                        if ((*i)->pPostIt)
                        {
                            (*i)->pPostIt->GrabFocus();
                            Rectangle aNoteRect ((*i)->pPostIt->GetPosPixel(),(*i)->pPostIt->GetSizePixel());
                            mpWrtShell->MakeVisible(SwRect(mpEditWin->PixelToLogic(aNoteRect)));
                            //if this page has a scrollbar, note might be not visible
                            AutoScroll((*i)->pPostIt,aPage->GetPhyPageNum());
                        }
                        else
                        {
                            // when the layout algorithm starts, this postit is created and receives focus
                            (*i)->bFocus = true;
                        }
                    }
                }
                break;
            }
            case SWFMTFLD_CHANGED:
            {
                // field to get the focus is the broadcaster, SwFmtFld in Hint may be NULL
                SwFmtFld* pFmtFld = dynamic_cast<SwFmtFld*>(&rBC);
                for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
                {
                    if ( pFmtFld == (*i)->pFmtFld )
                    {
                        (*i)->pPostIt->SetPostItText();
                    }
                }
                break;
            }
        }
    }
}

bool SwPostItMgr::CalcRects()
{
    if ( mnEventId )
    {
        // if CalcRects() was forced and an event is still pending: remove it
        // it is superfluous and also may cause reentrance problems if triggered while layouting
        Application::RemoveUserEvent( mnEventId );
        mnEventId = 0;
    }

    bool bChange = false;
    bool bRepair = false;
    PreparePageContainer();
    if ( !mvPostItFlds.empty() )
    {
        mpWrtShell->SwCrsrShell::Push();
           const BOOL bOldLockView = mpWrtShell->IsViewLocked();
        mpWrtShell->LockView( TRUE );

        for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        {
            SwPostItItem* pItem = (*i);
            if ( !pItem->pFmtFld->IsFldInDoc() )
            {
                DBG_ERROR("PostIt is not in doc!");
                bRepair = true;
                continue;
            }

            //save old rect
            SwRect aOldRect(pItem->mPos);
            // set new rect
            mpWrtShell->GotoFld(*pItem->pFmtFld);
            pItem->mPos = mpWrtShell->GetRectOfCurrentChar();
            bChange = (pItem->mPos != aOldRect) || bChange;

            pItem->mPagePos = mpWrtShell->GetAnyCurRect(RECT_PAGE);
            const SwRect aPageFrm( mpWrtShell->GetAnyCurRect( RECT_PAGE_PRT ) );
            pItem->mFramePos = aPageFrm;
            pItem->mFramePos.Pos() += pItem->mPagePos.Pos();
        }

        // show notes in right order in navigator
        //prevent ankors during layout to overlap, e.g. when moving a frame
        Sort(SORT_POS);

        // sort the items into the right page vector, so layout can be done by page
        for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        {
            SwPostItItem* pItem = (*i);
            if ( !pItem->pFmtFld->IsFldInDoc() )
                continue;

            const SwPageFrm* pPage = mpWrtShell->GetLayout()->GetPageAtPos((pItem)->mPos.Pos());
            const unsigned long aPageNum = pPage ? pPage->GetPhyPageNum() : 1;
            //DBG_ASSERT(aPageNum <= mPages.size(),"SwPostItMgr: PageNum larger than page vector");
            if (aPageNum > mPages.size())
            {
                const unsigned long nNumberOfPages = mPages.size();
                for (unsigned int j=0; j<aPageNum - nNumberOfPages; ++j)
                    mPages.push_back( new SwPostItPageItem());
            }
            mPages[aPageNum-1]->mList->push_back(pItem);
            mPages[aPageNum-1]->mPageRect = (pItem)->mPagePos;
            mPages[aPageNum-1]->bMarginSide = pPage ? pPage->MarginSide() : false;
        }

        if (!bChange && mpWrtShell->getIDocumentSettingAccess()->get(IDocumentSettingAccess::BROWSE_MODE))
        {
            if ( mpWrtShell->GetLayout()->Frm().Height() > mbLayoutHeight)
            {
                if (mPages[0]->bScrollbar || HasScrollbars())
                    bChange = true;
            }
            else
            if (mpWrtShell->GetLayout()->Frm().Height() < mbLayoutHeight)
            {
                if (mPages[0]->bScrollbar || !BorderOverPageBorder(1))
                    bChange = true;
            }
        }

        mpWrtShell->LockView( bOldLockView );
        mpWrtShell->SwCrsrShell::Pop( FALSE );
    }

    if ( bRepair )
        CheckForRemovedPostIts();

    mbLayoutHeight = mpWrtShell->GetLayout()->Frm().Height();
    mbWaitingForCalcRects = false;
    return bChange;
}

bool SwPostItMgr::HasScrollbars() const
{
    for(std::list<SwPostItItem*>::const_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        if ((*i)->bShow && (*i)->pPostIt->Scrollbar())
            return true;
    }
    return false;
}

void SwPostItMgr::PreparePageContainer()
{
    // we do not just delete the SwPostItPageItem, so offset/scrollbar is not lost
    long lPageSize = mpWrtShell->GetNumPages();
    long lContainerSize = mPages.size();

    if (lContainerSize < lPageSize)
    {
        for (int i=0; i<lPageSize - lContainerSize;i++)
            mPages.push_back( new SwPostItPageItem());
    }
    else
    if (lContainerSize > lPageSize)
    {
        for (int i=mPages.size()-1; i >= lPageSize;--i)
        {
            delete mPages[i];
            mPages.pop_back();
        }
    }
    // only clear the list, DO NOT delete the objects itself
    for(std::vector<SwPostItPageItem*>::iterator i = mPages.begin(); i!= mPages.end() ; i++)
    {
        (*i)->mList->clear();
        if (mvPostItFlds.empty())
            (*i)->bScrollbar = false;

    }
}

void SwPostItMgr::LayoutPostIts()
{
    if ( !mvPostItFlds.empty() && !mbWaitingForCalcRects )
    {
        mbLayouting = true;
        if (ShowNotes())
        {
            //loop over all pages and do the layout
            // - create SwPostIt if neccessary
            // - place SwPostIts on their initial position
            // - calculate neccessary height for all PostIts together
            bool bUpdate = false;
            for (unsigned long n=0;n<mPages.size();n++)
            {
                // only layout if there are notes on this page
                if (mPages[n]->mList->size()>0)
                {
                    std::list<SwPostIt*>    aVisiblePostItList;
                    unsigned long           lNeededHeight = 0;
                    long                    mlPageBorder = 0;
                    long                    mlPageEnd = 0;

                    for(SwPostItItem_iterator i = mPages[n]->mList->begin(); i!= mPages[n]->mList->end(); i++)
                    {
                        SwPostItItem* pItem = (*i);
                        SwFmtFld* pFmtFld = pItem->pFmtFld;
                        SwPostIt* pPostIt = pItem->pPostIt;

                        if (mPages[n]->bMarginSide)
                        {
                            // x value for notes positioning
                            mlPageBorder = mpEditWin->LogicToPixel( Point( mPages[n]->mPageRect.Left(), 0)).X() - GetSidebarWidth(true);// - GetSidebarBorderWidth(true);
                            //bending point
                            mlPageEnd = mpWrtShell->getIDocumentSettingAccess()->get( IDocumentSettingAccess::BROWSE_MODE) ? pItem->mFramePos.Left() : mPages[n]->mPageRect.Left() + 350;
                        }
                        else
                        {
                            // x value for notes positioning
                            mlPageBorder = mpEditWin->LogicToPixel( Point(mPages[n]->mPageRect.Right(), 0)).X() + GetSidebarBorderWidth(true);
                            //bending point
                            mlPageEnd = mpWrtShell->getIDocumentSettingAccess()->get( IDocumentSettingAccess::BROWSE_MODE) ? pItem->mFramePos.Right() : mPages[n]->mPageRect.Right() - 350;
                        }

                        if (pItem->bShow)
                        {
                            long Y = mpEditWin->LogicToPixel( Point(0,pItem->mPos.Bottom())).Y();
                            long aPostItHeight = 0;
                            if (!pPostIt)
                            {
                                pPostIt = new SwPostIt(static_cast<Window*>(&mpView->GetEditWin()),WINDOW_CONTROL,pFmtFld,this, mPages[n]->bMarginSide);
                                pPostIt->SetReadonly( mpView->GetDocShell()->IsReadOnly() );
                                SetColors(pPostIt,static_cast<SwPostItField*>(pFmtFld->GetFld()));
                                pItem->pPostIt = pPostIt;
                            }
                            else
                            {
                                pPostIt->HideNote();
                            }
                            aPostItHeight = ( pPostIt->GetPostItTextHeight() < pPostIt->GetMinimumSizeWithoutMeta() ? pPostIt->GetMinimumSizeWithoutMeta() : pPostIt->GetPostItTextHeight() ) + pPostIt->GetMetaHeight();
                            pPostIt->SetPosSizePixelRect( mlPageBorder ,Y-GetInitialAnchorDistance(), GetNoteWidth() ,aPostItHeight,pItem->mPos, mlPageEnd);

                            if (pItem->bFocus)
                            {
                                mbLayout = true;
                                pPostIt->GrabFocus();
                                pItem->bFocus = false;
                            }
                            // only the visible postits are used for the final layout
                            aVisiblePostItList.push_back(pPostIt);
                            lNeededHeight += aPostItHeight+GetSpaceBetween();
                        }
                        else // we don't want to see it
                        {
                            if (pPostIt)
                                pPostIt->HideNote();
                        }
                    }

                    if (aVisiblePostItList.size()>0)
                    {
                        bool bOldScrollbar = mPages[n]->bScrollbar;
                        mPages[n]->bScrollbar = LayoutByPage(aVisiblePostItList, mPages[n]->mPageRect.SVRect(), lNeededHeight);
                        if (!mPages[n]->bScrollbar)
                        {
                            mPages[n]->lOffset = 0;
                        }
                        else
                        {
                            //when we changed our zoom level, the offset value can be to big, so lets check for the largest possible zoom value
                            long aAvailableHeight = mpEditWin->LogicToPixel(Size(0,mPages[n]->mPageRect.Height())).Height() - 2 * GetSidebarScrollerHeight();
                            long lOffset = -1 * GetScrollSize() * (aVisiblePostItList.size() - aAvailableHeight / GetScrollSize());
                            if (mPages[n]->lOffset < lOffset)
                                mPages[n]->lOffset = lOffset;
                        }
                        bUpdate = (bOldScrollbar != mPages[n]->bScrollbar) || bUpdate;
                        const long aSidebarheight = mPages[n]->bScrollbar ? mpEditWin->PixelToLogic(Size(0,GetSidebarScrollerHeight())).Height() : 0;
                        /*
                       TODO:

                       - if ( (oldposition-newposition) < 5) --> set position to old value, so notes do not jump up and down
                       - enlarge all notes till GetNextBorder(), as we resized to average value before
                           (remember to subtract POSTIT_SPACE_BETWEEN (GetSpaceBetween()) somewhere, can we do this in GetNextBorder()? )
                           (only do it if we don't have scrollbars)

                       */
                        // lets hide the ones which overlap the page
                        for(SwPostIt_iterator i = aVisiblePostItList.begin(); i!= aVisiblePostItList.end() ; i++)
                        {
                            if (mPages[n]->lOffset != 0)
                                (*i)->TranslateTopPosition(mPages[n]->lOffset);

                            bool bBottom  = mpEditWin->PixelToLogic(Point(0,(*i)->GetPosPixel().Y()+(*i)->GetSizePixel().Height())).Y() <= (mPages[n]->mPageRect.Bottom()-aSidebarheight);
                            bool bTop = mpEditWin->PixelToLogic(Point(0,(*i)->GetPosPixel().Y())).Y() >= (mPages[n]->mPageRect.Top()+aSidebarheight);
                            if ( bBottom && bTop )
                            {
                                (*i)->ShowNote();
                            }
                            else
                            {
                                if (mpEditWin->PixelToLogic(Point(0,(*i)->GetPosPixel().Y())).Y() < (mPages[n]->mPageRect.Top()+aSidebarheight))
                                {

                                    if (mPages[n]->bMarginSide)
                                        (*i)->ShowAnkorOnly(Point(mPages[n]->mPageRect.Left(),mPages[n]->mPageRect.Top()));
                                    else
                                        (*i)->ShowAnkorOnly(Point(mPages[n]->mPageRect.Right(),mPages[n]->mPageRect.Top()));
                                }
                                else
                                {
                                    if (mPages[n]->bMarginSide)
                                        (*i)->ShowAnkorOnly(Point(mPages[n]->mPageRect.Left(),mPages[n]->mPageRect.Bottom()));
                                    else
                                        (*i)->ShowAnkorOnly(Point(mPages[n]->mPageRect.Right(),mPages[n]->mPageRect.Bottom()));
                                }
                                DBG_ASSERT(mPages[n]->bScrollbar,"SwPostItMgr::LayoutByPage(): note overlaps, but bScrollbar is not true");
                            }
                        }
                        // do some magic so we really see the focused note
                        for(SwPostIt_iterator i = aVisiblePostItList.begin(); i!= aVisiblePostItList.end() ; i++)
                        {
                            if ((*i)->HasChildPathFocus())
                            {
                                AutoScroll((*i),n+1);
                                Rectangle aNoteRect ((*i)->GetPosPixel(),(*i)->GetSizePixel());
                                mpWrtShell->MakeVisible(SwRect(mpEditWin->PixelToLogic(aNoteRect)));
                                break;
                            }
                        }
                    }
                    aVisiblePostItList.clear();
                }
                else
                {
                    bUpdate = true;
                    mPages[n]->bScrollbar = false;
                }
            }

            // notes scrollbar is otherwise not drawn correctly for some cases
            // scrollbar area is enough
            if (bUpdate)
                mpEditWin->Invalidate();
        }
        else
        {   // we do not want to see the notes anymore -> Options-Writer-View-Notes
            bool bRepair = false;
            for(SwPostItItem_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
            {
                SwPostItItem* pItem = (*i);
                if ( !pItem->pFmtFld->IsFldInDoc() )
                {
                    DBG_ERROR("PostIt is not in doc!");
                    bRepair = true;
                    continue;
                }

                if ((*i)->pPostIt)
                {
                    (*i)->pPostIt->HideNote();
                    if ((*i)->pPostIt->HasChildPathFocus())
                    {
                        SetActivePostIt(0);
                        (*i)->pPostIt->GrabFocusToDocument();
                    }
                }
            }

            if ( bRepair )
                CheckForRemovedPostIts();
        }

        mbLayouting = false;
    }
}

bool SwPostItMgr::BorderOverPageBorder(unsigned long aPage) const
{
    if ( mPages[aPage-1]->mList->empty() )
    {
        DBG_ERROR("Notes SidePane painted but no rects and page lists calculated!")
        return false;
    }

    SwPostItItem_iterator aItem = mPages[aPage-1]->mList->end();
    --aItem;
    const long aSidebarheight = mPages[aPage-1]->bScrollbar ? mpEditWin->PixelToLogic(Size(0,GetSidebarScrollerHeight())).Height() : 0;
    const long aEndValue = mpEditWin->PixelToLogic(Point(0,(*aItem)->pPostIt->GetPosPixel().Y()+(*aItem)->pPostIt->GetSizePixel().Height())).Y();
    return aEndValue <= mPages[aPage-1]->mPageRect.Bottom()-aSidebarheight;
}


void SwPostItMgr::Scroll(const long lScroll,const unsigned long aPage)
{
    DBG_ASSERT((lScroll % GetScrollSize() )==0,"SwPostItMgr::Scroll: scrolling by wrong value");
    // do not scroll more than neccessary up or down
    if ( ((mPages[aPage-1]->lOffset == 0) && (lScroll>0)) || ( BorderOverPageBorder(aPage) && (lScroll<0)) )
        return;

    const bool bOldUp = ArrowEnabled(KEY_PAGEUP,aPage);
    const bool bOldDown = ArrowEnabled(KEY_PAGEDOWN,aPage);
    const long aSidebarheight = mpEditWin->PixelToLogic(Size(0,GetSidebarScrollerHeight())).Height();
    for(SwPostItItem_iterator i = mPages[aPage-1]->mList->begin(); i!= mPages[aPage-1]->mList->end(); i++)
    {
        SwPostIt* pPostIt = (*i)->pPostIt;
        pPostIt->HideNote();
        pPostIt->TranslateTopPosition(lScroll);

        if ((*i)->bShow)
        {
            bool bBottom  = mpEditWin->PixelToLogic(Point(0,pPostIt->GetPosPixel().Y()+pPostIt->GetSizePixel().Height())).Y() <= (mPages[aPage-1]->mPageRect.Bottom()-aSidebarheight);
            bool bTop = mpEditWin->PixelToLogic(Point(0,pPostIt->GetPosPixel().Y())).Y() >=  (mPages[aPage-1]->mPageRect.Top()+aSidebarheight);
            if ( bBottom && bTop)
            {
                    pPostIt->ShowNote();
            }
            else
            {
                if ( mpEditWin->PixelToLogic(Point(0,pPostIt->GetPosPixel().Y())).Y() < (mPages[aPage-1]->mPageRect.Top()+aSidebarheight))
                {
                    if (mPages[aPage-1]->bMarginSide)
                        pPostIt->ShowAnkorOnly(Point(mPages[aPage-1]->mPageRect.Left(),mPages[aPage-1]->mPageRect.Top()));
                    else
                        pPostIt->ShowAnkorOnly(Point(mPages[aPage-1]->mPageRect.Right(),mPages[aPage-1]->mPageRect.Top()));
                }
                else
                {
                    if (mPages[aPage-1]->bMarginSide)
                        pPostIt->ShowAnkorOnly(Point(mPages[aPage-1]->mPageRect.Left(),mPages[aPage-1]->mPageRect.Bottom()));
                    else
                        pPostIt->ShowAnkorOnly(Point(mPages[aPage-1]->mPageRect.Right(),mPages[aPage-1]->mPageRect.Bottom()));
                }
            }
        }
    }
    mPages[aPage-1]->lOffset += lScroll;
    if ( (bOldUp != ArrowEnabled(KEY_PAGEUP,aPage)) ||(bOldDown != ArrowEnabled(KEY_PAGEDOWN,aPage)) )
    {
        mpEditWin->Invalidate(GetBottomScrollRect(aPage));
        mpEditWin->Invalidate(GetTopScrollRect(aPage));
    }
}
void SwPostItMgr::AutoScroll(const SwPostIt* pPostIt)
{
    for (unsigned long n=0;n<mPages.size();n++)
    {
        if (mPages[n]->mList->size()>0)
        {
            for(SwPostItItem_iterator i = mPages[n]->mList->begin(); i!= mPages[n]->mList->end(); i++)
            {
                if ((*i)->pPostIt==pPostIt)
                {
                    AutoScroll(pPostIt,n+1);
                    return;
                }
            }
        }
    }
}

void SwPostItMgr::AutoScroll(const SwPostIt* pPostIt,const unsigned long aPage )
{
    // otherwise all notes are visible
    if (mPages[aPage-1]->bScrollbar)
    {
        const long aSidebarheight = mpEditWin->PixelToLogic(Size(0,GetSidebarScrollerHeight())).Height();
        const bool bBottom  = mpEditWin->PixelToLogic(Point(0,pPostIt->GetPosPixel().Y()+pPostIt->GetSizePixel().Height())).Y() <= (mPages[aPage-1]->mPageRect.Bottom()-aSidebarheight);
        const bool bTop = mpEditWin->PixelToLogic(Point(0,pPostIt->GetPosPixel().Y())).Y() >= (mPages[aPage-1]->mPageRect.Top()+aSidebarheight);
        if ( !(bBottom && bTop))
        {
            const long aDiff = bBottom ? mpEditWin->LogicToPixel(Point(0,mPages[aPage-1]->mPageRect.Top() + aSidebarheight)).Y() - pPostIt->GetPosPixel().Y() :
                                            mpEditWin->LogicToPixel(Point(0,mPages[aPage-1]->mPageRect.Bottom() - aSidebarheight)).Y() - (pPostIt->GetPosPixel().Y()+pPostIt->GetSizePixel().Height());
            // this just adds the missing value to get the next a* GetScrollSize() after aDiff
            // e.g aDiff= 61 POSTIT_SCOLL=50 --> lScroll = 100
            const long lScroll = bBottom ? (aDiff + ( GetScrollSize() - (aDiff % GetScrollSize()))) : (aDiff - (GetScrollSize() + (aDiff % GetScrollSize())));
            Scroll(lScroll, aPage);
        }
    }
}

bool SwPostItMgr::ArrowEnabled(USHORT aDirection,unsigned long aPage) const
{
    switch (aDirection)
    {
        case KEY_PAGEUP:
            {
                if (mPages[aPage-1]->lOffset == 0)
                    return false;
                else
                    return true;
            }
        case KEY_PAGEDOWN:
            {
                if (BorderOverPageBorder(aPage))
                    return false;
                else
                    return true;
            }
        default: return false;
    }
}

Color SwPostItMgr::GetArrowColor(USHORT aDirection,unsigned long aPage) const
{
    if (ArrowEnabled(aDirection,aPage))
    {
        if (Application::GetSettings().GetStyleSettings().GetHighContrastMode())
            return Color(COL_WHITE);
        else
            return COL_NOTES_SIDEPANE_ARROW_ENABLED;
    }
    else
    {
        return COL_NOTES_SIDEPANE_ARROW_DISABLED;
    }
}

bool SwPostItMgr::LayoutByPage(std::list<SwPostIt*> &aVisiblePostItList,const Rectangle aBorder, long lNeededHeight)
{
    /*** General layout idea:***/
    //  - if we have space left, we always move the current one up,
    //    otherwise the next one down
    //  - first all notes are resized
    //  - then the real layout starts
    /*************************************************************/

    //rBorder is the page rect
    const Rectangle rBorder         = mpEditWin->LogicToPixel( aBorder);
    long            lTopBorder      = rBorder.Top() + 5;
    long            lBottomBorder   = rBorder.Bottom() - 5;
    const long      lVisibleHeight  = rBorder.GetHeight() ;
    long            lSpaceUsed      = 0;
    long            lTranslatePos   = 0;
    int             loop            = 0;
    bool            bDone           = false;
    bool            bScrollbars     = false;

    // do all neccessary resizings
    /*
    if (lVisibleHeight < lNeededHeight)
    {
        // resize the one we showed bigger on purpose and recalculate lNeededHeight
        lNeededHeight = 0;
        unsigned long aPostItHeight = 0;
        for(SwPostIt_iterator i = aVisiblePostItList.begin(); i!= aVisiblePostItList.end() ; i++)
        {
            aPostItHeight = ( (*i)->GetTextHeight()==0 ? 30 : (*i)->GetTextHeight() ) + (*i)->GetMetaHeight();
            if ((*i)->GetTextHeight() < (*i)->GetMinimumSizeWithoutMeta())
                (*i)->SetSizePixel(Size((*i)->GetSizePixel().getWidth(), aPostItHeight));
            lNeededHeight += aPostItHeight+POSTIT_SPACE_BETWEEN;
        }
        // do we still need to resize now?
        */
        if (lVisibleHeight < lNeededHeight)
        {
            // ok, now we have to really resize and adding scrollbars
            const long lAverageHeight = (lVisibleHeight - aVisiblePostItList.size()*GetSpaceBetween()) / aVisiblePostItList.size();
            if (lAverageHeight<GetMinimumSizeWithMeta())
            {
                bScrollbars = true;
                lTopBorder += GetSidebarScrollerHeight() + 10;
                lBottomBorder -= (GetSidebarScrollerHeight() + 10);

                for(SwPostIt_iterator i = aVisiblePostItList.begin(); i!= aVisiblePostItList.end() ; i++)
                        (*i)->SetSizePixel(Size((*i)->GetSizePixel().getWidth(),(*i)->GetMinimumSizeWithMeta()));
            }
            else
            {
                for(SwPostIt_iterator i = aVisiblePostItList.begin(); i!= aVisiblePostItList.end() ; i++)
                {
                    if ( (*i)->GetSizePixel().getHeight() > lAverageHeight)
                        (*i)->SetSizePixel(Size((*i)->GetSizePixel().getWidth(),lAverageHeight));
                }
            }
        }
    //}

    //start the real layout so nothing overlaps anymore
    if (aVisiblePostItList.size()>1)
    {
        // if no window is moved anymore we are finished
        while (!bDone)
        {
            loop++;
              bDone = true;
            lSpaceUsed = lTopBorder + GetSpaceBetween();
            for(SwPostIt_iterator i = aVisiblePostItList.begin(); i!= aVisiblePostItList.end() ; i++)
            {
                SwPostIt_iterator aNextPostIt = i;
                ++aNextPostIt;

                if (aNextPostIt !=aVisiblePostItList.end())
                {
                    lTranslatePos = ( (*i)->GetPosPixel().Y() + (*i)->GetSizePixel().Height()) - (*aNextPostIt)->GetPosPixel().Y();
                    if (lTranslatePos > 0) // note windows overlaps the next one
                    {
                        // we are not done yet, loop at least once more
                        bDone = false;
                        // if there is space left, move the current note up
                        // it could also happen that there is no space left for the first note due to a scrollbar
                        // then we also jump into, so we move the current one up and the next one down
                        if ( (lSpaceUsed <= (*i)->GetPosPixel().Y()) || (i==aVisiblePostItList.begin()))
                        {
                            // we have space left, so let's move the current one up
                            if ( ((*i)->GetPosPixel().Y()- lTranslatePos - GetSpaceBetween()) > lTopBorder)
                            {
                                (*i)->TranslateTopPosition(-1*(lTranslatePos+GetSpaceBetween()));
                            }
                            else
                            {
                                long lMoveUp = (*i)->GetPosPixel().Y() - lTopBorder;
                                (*i)->TranslateTopPosition(-1* lMoveUp);
                                (*aNextPostIt)->TranslateTopPosition( (lTranslatePos+GetSpaceBetween()) - lMoveUp);
                            }
                        }
                        else
                        {
                            // no space left, left move the next one down
                            (*aNextPostIt)->TranslateTopPosition(lTranslatePos+GetSpaceBetween());
                        }
                    }
                    else
                    {
                        // the first one could overlap the topborder instead of a second note
                        if (i==aVisiblePostItList.begin())
                        {
                            long lMoveDown = lTopBorder - (*i)->GetPosPixel().Y();
                            if (lMoveDown>0)
                                (*i)->TranslateTopPosition( lMoveDown);
                        }
                    }
                    lSpaceUsed += (*i)->GetSizePixel().Height() + GetSpaceBetween();
                }
                else
                {
                    //(*i) is the last visible item
                    SwPostIt_iterator aPrevPostIt = i;
                    --aPrevPostIt;
                    lTranslatePos = ( (*aPrevPostIt)->GetPosPixel().Y() + (*aPrevPostIt)->GetSizePixel().Height()) - (*i)->GetPosPixel().Y();
                    if (lTranslatePos > 0)
                    {
                        bDone = false;
                        if ( ((*i)->GetPosPixel().Y()+ (*i)->GetSizePixel().Height()+lTranslatePos) < lBottomBorder)
                        {
                            (*i)->TranslateTopPosition(lTranslatePos+GetSpaceBetween());
                        }
                        else
                        {
                            (*i)->TranslateTopPosition(lBottomBorder - ((*i)->GetPosPixel().Y()+ (*i)->GetSizePixel().Height()) );
                        }
                    }
                    else
                    {
                        // note does not overlap, but we might be over the lower border
                        // only do this if there are no scrollbars, otherwise notes are supposed to overlap the border
                        if (!bScrollbars && ((*i)->GetPosPixel().Y()+ (*i)->GetSizePixel().Height() > lBottomBorder) )
                        {
                            bDone = false;
                            (*i)->TranslateTopPosition(lBottomBorder - ((*i)->GetPosPixel().Y()+ (*i)->GetSizePixel().Height()));
                        }
                    }
                }
            }
            // security check so we don't loop forever
            if (loop>MAX_LOOP_COUNT)
            {
                DBG_ERROR("PostItMgr::Layout(): We are looping forever");
                break;
            }
        }
    }
    else
    {
        // only one left, make sure it is not hidden at the top or bottom
        SwPostIt_iterator i = aVisiblePostItList.begin();
        lTranslatePos = lTopBorder - (*i)->GetPosPixel().Y();
        if (lTranslatePos>0)
        {
            (*i)->TranslateTopPosition(lTranslatePos+GetSpaceBetween());
        }
        lTranslatePos = lBottomBorder - ((*i)->GetPosPixel().Y()+ (*i)->GetSizePixel().Height());
        if (lTranslatePos<0)
        {
            (*i)->TranslateTopPosition(lTranslatePos);
        }
    }
    return bScrollbars;
 }

void SwPostItMgr::AddPostIts(bool bCheckExistance, bool bFocus)
{
    bool bEmpty = mvPostItFlds.empty();
    SwFieldType* pType = mpView->GetDocShell()->GetDoc()->GetFldType(RES_POSTITFLD, aEmptyStr,false);
    SwClientIter aIter( *pType );
    SwClient * pFirst = aIter.GoStart();
    while(pFirst)
    {
        SwFmtFld* pSwFmtFld = static_cast<SwFmtFld*>(pFirst);
        if ( pSwFmtFld->GetTxtFld())
        {
            if ( pSwFmtFld->IsFldInDoc() )
                InsertFld(pSwFmtFld,bCheckExistance,bFocus);
        }
        pFirst = aIter++;
    }

    // if we just added the first one we have to update the view for centering
    if (bEmpty && !mvPostItFlds.empty())
    {
        SwRootFrm* pLayout = mpWrtShell->GetLayout();
        if ( pLayout )
            pLayout->SetSidebarChanged();
        //mpView->DocSzChgd( mpWrtShell->GetDocSize() );

        mpEditWin->Invalidate();
    }
}

void SwPostItMgr::RemovePostIts()
{
    if (!mvPostItFlds.empty())
    {
        for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        {
            EndListening( *((*i)->pFmtFld) );
            SwPostIt* pPostIt = (*i)->pPostIt;
            delete pPostIt;
            delete (*i);
        }
        mvPostItFlds.clear();
    }

    // all postits removed, no items should be left in pages
    PreparePageContainer();
}

void SwPostItMgr::Delete(String aAuthor)
{
    mbDeletingSeveral = true;
    mpWrtShell->StartAllAction();
    SwRewriter aRewriter;
    aRewriter.AddRule(UNDO_ARG1, SW_RES(STR_NOTE) );
    mpWrtShell->StartUndo( UNDO_DELETE, &aRewriter );
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end(); )
        {
            SwPostItItem* pItem = (*i);
            SwPostItField* pPostItField = static_cast<SwPostItField*>(pItem->pFmtFld->GetFld());
            if (pPostItField->GetPar1() == aAuthor)
            {
                // stop listening, we delete ourselves
                EndListening( *(pItem->pFmtFld) );
                // delete the actual SwPostItField
                mpWrtShell->GotoFld(*pItem->pFmtFld);
                mpWrtShell->DelRight();
                i = mvPostItFlds.erase(i);
                // delete visual representation
                //use lazyDelete due to assertion: "object still in use"
                if (pItem->pPostIt == GetActivePostIt())
                    SetActivePostIt(0);
                pItem->pPostIt->doLazyDelete();
                // delete struct saving the pointers
                delete pItem;
            }
            else
                ++i;
        }
    mpWrtShell->EndUndo( UNDO_DELETE );
    mpWrtShell->EndAllAction();
    PrepareView();
    mbLayout = true;
    CalcRects();
    LayoutPostIts();
    mbDeletingSeveral = false;
}

void SwPostItMgr::Delete()
{
    mbDeletingSeveral = true;
    mpWrtShell->StartAllAction();
    SwRewriter aRewriter;
    aRewriter.AddRule(UNDO_ARG1, SW_RES(STR_NOTE) );
    mpWrtShell->StartUndo( UNDO_DELETE, &aRewriter );
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        SwPostItItem* pItem = (*i);
        // stop listening, we delete ourselves
        EndListening( *(pItem->pFmtFld) );
        // delete the actual SwPostItField
        mpWrtShell->GotoFld(*   pItem->pFmtFld);
        mpWrtShell->DelRight();
        // delete visual representation
        //use lazyDelete due to assertion: "object still in use"
        pItem->pPostIt->doLazyDelete();
        // delete struct saving the pointers
        delete pItem;
    }
    mvPostItFlds.clear();
    mpWrtShell->EndUndo( UNDO_DELETE );
    mpWrtShell->EndAllAction();
    PreparePageContainer();
    PrepareView();
    mbDeletingSeveral = false;
}

void SwPostItMgr::Hide(SwPostItField* aPostItField, bool All)
{
    String aAuthor = aPostItField->GetPar1();
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        SwPostItField* pPostItField = static_cast<SwPostItField*>((*i)->pFmtFld->GetFld());
        if ( aAuthor == pPostItField->GetPar1() )
        {
            if (pPostItField==aPostItField)
            {
                (*i)->bShow = false;
                (*i)->pPostIt->HideNote();
            }
            else
            {
                if (All)
                {
                    (*i)->bShow  = false;
                    (*i)->pPostIt->HideNote();
                }
            }
        }
    }
    LayoutPostIts();
}

void SwPostItMgr::Hide()
{
    for(SwPostItItem_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        (*i)->bShow = false;
        (*i)->pPostIt->HideNote();
    }
    LayoutPostIts();
}


void SwPostItMgr::Show()
{
    for(SwPostItItem_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        (*i)->bShow = true;
    }
    LayoutPostIts();
}

void SwPostItMgr::Sort(const short aType)
{
    if (mvPostItFlds.size()>1 )
    {
        switch (aType)
        {
            case SORT_POS:
                mvPostItFlds.sort(comp_pos);
                //mvPostItFlds.sort(comp_id);
                break;
            case SORT_AUTHOR:
                mvPostItFlds.sort(comp_author);
                break;
            case SORT_DATE:
                mvPostItFlds.sort(comp_date);
                break;
        }
    }
}

SwPostIt* SwPostItMgr::GetNextPostIt(USHORT aDirection, SwPostIt* aPostIt)
{
    if (mvPostItFlds.size()>1)
    {
        for(SwPostItItem_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        {
            if ( (*i)->pPostIt ==aPostIt)
            {
                SwPostItItem_iterator iNextPostIt   = i;
                /*
                const Rectangle &aVisRect           = mpView->GetVisArea();
                bool bVisible                       = false;
                bool bDone                          = false;

                while (!bDone)
                {
                */
                    if (aDirection==KEY_PAGEUP)
                    {
                        if ( iNextPostIt==mvPostItFlds.begin() )
                        {
                            iNextPostIt = mvPostItFlds.end();
                        }
                        --iNextPostIt;
                    }
                    else
                    {
                        iNextPostIt++;
                        if ( iNextPostIt==mvPostItFlds.end() )
                        {
                            iNextPostIt = mvPostItFlds.begin();
                        }
                    }
                    // lets quit, we are back at the beginng
                    if ( (*iNextPostIt)->pPostIt==aPostIt)
                        return NULL;

                    //bVisible = (*iNextPostIt)->pFmtFld->GetTxtFld()->GetTxtNode().IsInVisibleArea();
                    //bVisible = bVisible && ((*iNextPostIt)->mPos.Bottom() < aVisRect.Bottom()) && ((*iNextPostIt)->mPos.Bottom() > aVisRect.Top());

                    /*
                    const bool bBottom  = mpEditWin->PixelToLogic(Point(0,(*iNextPostIt)->pPostIt->GetPosPixel().Y()+(*iNextPostIt)->pPostIt->GetSizePixel().Height())).Y() <= aVisRect.Bottom();
                    const bool bTop = mpEditWin->PixelToLogic(Point(0,(*iNextPostIt)->pPostIt->GetPosPixel().Y())).Y() >= aVisRect.Top();
                    bVisible = bBottom && bTop;

                    bDone = bVisible && (*iNextPostIt)->bShow;

                }
                */
                return (*iNextPostIt)->pPostIt;
            }
        }
        return NULL;
    }
    else
        return NULL;
}

long SwPostItMgr::GetNextBorder()
{
    for (unsigned long n=0;n<mPages.size();n++)
    {
        for(SwPostItItem_iterator b = mPages[n]->mList->begin(); b!= mPages[n]->mList->end(); b++)
        {
            if ((*b)->pPostIt == mpActivePostIt)
            {
                if (mPages[n]->bScrollbar)
                {
                    return -1;
                }
                else
                {
                    //if this is the last item, return the bottom border otherwise the next item
                    SwPostItItem_iterator aNext = b;
                    aNext++;
                    if (aNext == mPages[n]->mList->end())
                    {
                        return mpEditWin->LogicToPixel(Point(0,mPages[n]->mPageRect.Bottom())).Y();
                    }
                    else
                    {
                        return (*aNext)->pPostIt->GetPosPixel().Y();
                    }
                }
            }
        }
    }

    DBG_ERROR("SwPostItMgr::GetNextBorder(): We have to find a next border here");
    return -1;
}

SwFmtFld* SwPostItMgr::GetFmtFld(SwPostIt* mpPostIt)
{
    for(SwPostItItem_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
    {
        if ( (*i)->pPostIt == mpPostIt)
            return (*i)->pFmtFld;
    }
    DBG_WARNING("SwPostItMgr::GetFmtFld(): PostIt not found, something major must have gone wrong here");
    return NULL;
}

void SwPostItMgr::PrepareView(bool bIgnoreCount)
{
    if (mvPostItFlds.empty() || bIgnoreCount)
    {
        // easy  to implement ;-) , sidebar area should be enough though
        // remove possible left over stuff from sidebar
        if (mvPostItFlds.empty())
            mpEditWin->Invalidate();

        //mpView->DocSzChgd( mpWrtShell->GetDocSize() );
        SwRootFrm* pLayout = mpWrtShell->GetLayout();
        if ( pLayout )
            pLayout->SetSidebarChanged();

        if ( mpWrtShell->getIDocumentSettingAccess()->get( IDocumentSettingAccess::BROWSE_MODE ) )
            pLayout->InvalidateBrowseWidth();
    }
}

bool SwPostItMgr::ShowScrollbar(const unsigned long aPage) const
{
    if (mPages.size() > aPage-1)
        return mPages[aPage-1]->bScrollbar;
    else
        return false;
}

bool SwPostItMgr::IsHit(const Point &aPointPixel)
{
    if (HasNotes() && ShowNotes())
    {
        const Point aPoint = mpEditWin->PixelToLogic(aPointPixel);
        const SwRootFrm* pLayout = mpWrtShell->GetLayout();
        const SwFrm* pPage = pLayout->GetPageAtPos( aPoint, 0, true );
        if (pPage)
        {
            Rectangle aRect;
            const unsigned long aPageNum = pPage->GetPhyPageNum();
            DBG_ASSERT(mPages.size()>aPageNum-1,"SwPostitMgr:: page container size wrong");
            aRect = mPages[aPageNum-1]->bMarginSide ? Rectangle(Point(pPage->Frm().Left()-GetSidebarWidth()-GetSidebarBorderWidth(),pPage->Frm().Top()),Size(GetSidebarWidth(),pPage->Frm().Height())) :
                            Rectangle( Point(pPage->Frm().Right()+GetSidebarBorderWidth(),pPage->Frm().Top()) , Size(GetSidebarWidth(),pPage->Frm().Height()));
            if (aRect.IsInside(aPoint))
            {
                // we hit the note's sidebar
                // lets now test for the arrow area
                if (mPages[aPageNum-1]->bScrollbar)
                    ScrollbarHit(aPageNum,aPoint);
                // lets return true here, even if only the sidebar was hit
                return true;
            }
        }
    }
    return false;
}
Rectangle SwPostItMgr::GetBottomScrollRect(const unsigned long aPage) const
{
    SwRect aPageRect = mPages[aPage-1]->mPageRect;
    Point aPointBottom = mPages[aPage-1]->bMarginSide ? Point(aPageRect.Left() - GetSidebarWidth() - GetSidebarBorderWidth() + mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Bottom()- mpEditWin->PixelToLogic(Size(0,2+GetSidebarScrollerHeight())).Height()) :
                                    Point(aPageRect.Right() + GetSidebarBorderWidth() + mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Bottom()- mpEditWin->PixelToLogic(Size(0,2+GetSidebarScrollerHeight())).Height());
    Size aSize(GetSidebarWidth() - mpEditWin->PixelToLogic(Size(4,0)).Width(), mpEditWin->PixelToLogic(Size(0,GetSidebarScrollerHeight())).Height()) ;
    return Rectangle(aPointBottom,aSize);

}

Rectangle SwPostItMgr::GetTopScrollRect(const unsigned long aPage) const
{
    SwRect aPageRect = mPages[aPage-1]->mPageRect;
    Point aPointTop = mPages[aPage-1]->bMarginSide ?    Point(aPageRect.Left() - GetSidebarWidth() -GetSidebarBorderWidth()+ mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Top() + mpEditWin->PixelToLogic(Size(0,2)).Height()) :
                                Point(aPageRect.Right() + GetSidebarBorderWidth() + mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Top() + mpEditWin->PixelToLogic(Size(0,2)).Height());
    Size aSize(GetSidebarWidth() - mpEditWin->PixelToLogic(Size(4,0)).Width(), mpEditWin->PixelToLogic(Size(0,GetSidebarScrollerHeight())).Height()) ;
    return Rectangle(aPointTop,aSize);
}


//IMPORTANT: if you change the rects here, also change SwPageFrm::PaintNotesSidebar()
bool SwPostItMgr::ScrollbarHit(const unsigned long aPage,const Point &aPoint)
{
    SwRect aPageRect = mPages[aPage-1]->mPageRect;
    Point aPointBottom = mPages[aPage-1]->bMarginSide ? Point(aPageRect.Left() - GetSidebarWidth()-GetSidebarBorderWidth() + mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Bottom()- mpEditWin->PixelToLogic(Size(0,2+GetSidebarScrollerHeight())).Height()) :
                                    Point(aPageRect.Right() + GetSidebarBorderWidth()+ mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Bottom()- mpEditWin->PixelToLogic(Size(0,2+GetSidebarScrollerHeight())).Height());

    Point aPointTop = mPages[aPage-1]->bMarginSide ?    Point(aPageRect.Left() - GetSidebarWidth()-GetSidebarBorderWidth()+ mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Top() + mpEditWin->PixelToLogic(Size(0,2)).Height()) :
                                Point(aPageRect.Right()+GetSidebarBorderWidth()+ mpEditWin->PixelToLogic(Size(2,0)).Width(),aPageRect.Top() + mpEditWin->PixelToLogic(Size(0,2)).Height());

    Rectangle aRectBottom(GetBottomScrollRect(aPage));
    Rectangle aRectTop(GetTopScrollRect(aPage));

    if (aRectBottom.IsInside(aPoint))
    {
        if (aPoint.X() < long((aPointBottom.X() + GetSidebarWidth()/3)))
            Scroll( GetScrollSize(),aPage);
        else
            Scroll( -1*GetScrollSize(), aPage);
        return true;
    }
    else
    if (aRectTop.IsInside(aPoint))
    {
        if (aPoint.X() < long((aPointTop.X() + GetSidebarWidth()/3*2)))
            Scroll(GetScrollSize(), aPage);
        else
            Scroll(-1*GetScrollSize(), aPage);
        return true;
    }
    return false;
}

void SwPostItMgr::CorrectPositions()
{
    SwPostIt* pFirstPostIt = (*mvPostItFlds.begin())->pPostIt;
    if (pFirstPostIt && !mbWaitingForCalcRects)
    {
        long aPxPos = pFirstPostIt->GetPosPixel().Y();
        long aPxAnkorPos = mpEditWin->LogicToPixel( Point(0,(long)(pFirstPostIt->Ankor()->GetSixthPosition().getY()))).Y() + 1;
        if (aPxPos != aPxAnkorPos)
        {
            for(SwPostItItem_iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
            {
                SwPostIt* pPostIt = (*i)->pPostIt;
                if (pPostIt)
                {
                    long aY = mpEditWin->LogicToPixel( Point(0,(long)(pPostIt->Ankor()->GetSixthPosition().getY()))).Y() + 1;
                    pPostIt->SetPosPixel(Point(pPostIt->GetPosPixel().X(),aY));
                }

            }
        }
    }
}

bool SwPostItMgr::ShowNotes() const
{
    // we only want to see notes if Options - Writer - View - Notes is ticked
    return mpWrtShell->GetViewOptions()->IsPostIts();
}

bool SwPostItMgr::HasNotes() const
{
    //we just want to know if there are notes, no matter if visible or not
    return !mvPostItFlds.empty();
}

unsigned long SwPostItMgr::GetSidebarWidth(bool bPx) const
{
    unsigned long aWidth = (unsigned long)(mpWrtShell->GetViewOptions()->GetZoom() * 1.8);
    if (bPx)
        return aWidth;
    else
        return mpEditWin->PixelToLogic(Size( aWidth ,0)).Width();
}

unsigned long SwPostItMgr::GetSidebarBorderWidth(bool bPx) const
{
    if (bPx)
        return 2;
    else
        return mpEditWin->PixelToLogic(Size(2,0)).Width();
}

unsigned long SwPostItMgr::GetNoteWidth()
{
    return GetSidebarWidth(true);
}

void SwPostItMgr::SetColors(SwPostIt* pPostIt,SwPostItField* pFld)
{
    if (!Application::GetSettings().GetStyleSettings().GetHighContrastMode())
    {
        static const Color aArrayNormal[] = {
            COL_AUTHOR1_NORMAL,     COL_AUTHOR2_NORMAL,     COL_AUTHOR3_NORMAL,
            COL_AUTHOR4_NORMAL,     COL_AUTHOR5_NORMAL,     COL_AUTHOR6_NORMAL,
            COL_AUTHOR7_NORMAL,     COL_AUTHOR8_NORMAL,     COL_AUTHOR9_NORMAL };

        static const Color aArrayLight[] = {
            COL_AUTHOR1_LIGHT,      COL_AUTHOR2_LIGHT,      COL_AUTHOR3_LIGHT,
            COL_AUTHOR4_LIGHT,      COL_AUTHOR5_LIGHT,      COL_AUTHOR6_LIGHT,
            COL_AUTHOR7_LIGHT,      COL_AUTHOR8_LIGHT,      COL_AUTHOR9_LIGHT };

        static const Color aArrayAnkor[] = {
            COL_AUTHOR1_DARK,       COL_AUTHOR2_DARK,       COL_AUTHOR3_DARK,
            COL_AUTHOR4_DARK,       COL_AUTHOR5_DARK,       COL_AUTHOR6_DARK,
            COL_AUTHOR7_DARK,       COL_AUTHOR8_DARK,       COL_AUTHOR9_DARK };

        sal_uInt16 aAuthorIndex = SW_MOD()->InsertRedlineAuthor(pFld->GetPar1());

        Color aColorDark(   aArrayNormal[ aAuthorIndex % (sizeof( aArrayNormal )/ sizeof( aArrayNormal[0] ))]);
        Color aColorLight(  aArrayLight[  aAuthorIndex % (sizeof( aArrayLight ) / sizeof( aArrayLight[0] ))]);
        Color aColorAnkor(  aArrayAnkor[  aAuthorIndex % (sizeof( aArrayAnkor ) / sizeof( aArrayAnkor[0] ))]);

        pPostIt->SetColor(aColorDark,aColorLight,aColorAnkor);
    }
    else
    {
        Color aWhite(COL_WHITE);
        pPostIt->SetColor(aWhite,aWhite,aWhite);
    }
}

void SwPostItMgr::SetActivePostIt( SwPostIt* p)
{
    if ( p != mpActivePostIt )
    {
        mpActivePostIt = p;
        if (p)
            mpView->AttrChangedNotify(0);
    }
}

IMPL_LINK( SwPostItMgr, CalcHdl, void*, /* pVoid*/  )
{
    mnEventId = 0;
    if ( mbLayouting )
    {
        DBG_ERROR("Reentrance problem in Layout Manager!");
        return 0;
    }

    if ( CalcRects() || mbLayout )
    {
        mbLayout = false;
        LayoutPostIts();
    }
    return 0;
}

void SwPostItMgr::Rescale()
{
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        if ( (*i)->pPostIt )
            (*i)->pPostIt->Rescale();
}

sal_Int32 SwPostItMgr::GetInitialAnchorDistance() const
{
    const Fraction& f( mpEditWin->GetMapMode().GetScaleY() );
    return POSTIT_INITIAL_ANKOR_DISTANCE * f.GetNumerator() / f.GetDenominator();
}

sal_Int32 SwPostItMgr::GetSpaceBetween() const
{
    const Fraction& f( mpEditWin->GetMapMode().GetScaleY() );
    return ( POSTIT_SPACE_BETWEEN ) * f.GetNumerator() / f.GetDenominator();
}

sal_Int32 SwPostItMgr::GetScrollSize() const
{
    const Fraction& f( mpEditWin->GetMapMode().GetScaleY() );
    return ( POSTIT_SPACE_BETWEEN + POSTIT_MINIMUMSIZE_WITH_META ) * f.GetNumerator() / f.GetDenominator();
}

sal_Int32 SwPostItMgr::GetMinimumSizeWithMeta() const
{
    const Fraction& f( mpEditWin->GetMapMode().GetScaleY() );
    return POSTIT_MINIMUMSIZE_WITH_META * f.GetNumerator() / f.GetDenominator();
}

sal_Int32 SwPostItMgr::GetSidebarScrollerHeight() const
{
    const Fraction& f( mpEditWin->GetMapMode().GetScaleY() );
    return POSTIT_SCROLL_SIDEBAR_HEIGHT * f.GetNumerator() / f.GetDenominator();
}

void SwPostItMgr::SetSpellChecking(bool bEnable)
{
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        if ( (*i)->pPostIt )
            (*i)->pPostIt->SetSpellChecking(bEnable);
}

void SwPostItMgr::SetReadOnlyState()
{
    bool bReadOnly = mpView->GetDocShell()->IsReadOnly();
    for(std::list<SwPostItItem*>::iterator i = mvPostItFlds.begin(); i!= mvPostItFlds.end() ; i++)
        if ( (*i)->pPostIt )
            (*i)->pPostIt->SetReadonly( bReadOnly );
}