office-gobmx/sd/source/ui/view/OutlinerIterator.cxx
2010-06-14 18:49:32 +02:00

898 lines
24 KiB
C++
Executable file

/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include "OutlinerIterator.hxx"
#include "OutlinerIteratorImpl.hxx"
#include <svx/svditer.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/viewfrm.hxx>
#include "Outliner.hxx"
#include "drawdoc.hxx"
#include "DrawViewShell.hxx"
#include "drawview.hxx"
#include "sdpage.hxx"
#ifndef SD_FRAME_VIEW
#include "FrameView.hxx"
#endif
#include "DrawDocShell.hxx"
#include "Window.hxx"
namespace sd { namespace outliner {
//===== IteratorPosition ======================================================
IteratorPosition::IteratorPosition (void)
: mnText(0)
, mnPageIndex(-1)
, mePageKind(PK_STANDARD)
, meEditMode(EM_PAGE)
{
}
IteratorPosition::IteratorPosition (const IteratorPosition& aPosition)
: mxObject(aPosition.mxObject)
, mnText(aPosition.mnText)
, mnPageIndex(aPosition.mnPageIndex)
, mePageKind(aPosition.mePageKind)
, meEditMode(aPosition.meEditMode)
{
}
IteratorPosition::~IteratorPosition (void)
{
}
IteratorPosition& IteratorPosition::operator= (const IteratorPosition& aPosition)
{
mxObject = aPosition.mxObject;
mnText = aPosition.mnText;
mnPageIndex = aPosition.mnPageIndex;
mePageKind = aPosition.mePageKind;
meEditMode = aPosition.meEditMode;
return *this;
}
bool IteratorPosition::operator== (const IteratorPosition& aPosition) const
{
return mxObject.get() == aPosition.mxObject.get()
&& mnText == aPosition.mnText
&& mnPageIndex == aPosition.mnPageIndex
&& mePageKind == aPosition.mePageKind
&& meEditMode == aPosition.meEditMode;
}
//===== Iterator ==============================================================
Iterator::Iterator (void)
{
mpIterator = NULL;
}
Iterator::Iterator (const Iterator& rIterator)
{
mpIterator = rIterator.mpIterator->Clone();
}
Iterator::Iterator (IteratorImplBase* pObject)
{
mpIterator = pObject;
}
Iterator::~Iterator (void)
{
delete mpIterator;
}
Iterator& Iterator::operator= (const Iterator& rIterator)
{
if (this != &rIterator)
{
delete mpIterator;
if (rIterator.mpIterator != NULL)
mpIterator = rIterator.mpIterator->Clone();
else
mpIterator = NULL;
}
return *this;
}
const IteratorPosition& Iterator::operator* () const
{
DBG_ASSERT (mpIterator!=NULL, "::sd::outliner::Iterator::operator* : missing implementation object");
return mpIterator->GetPosition();
}
Iterator& Iterator::operator++ ()
{
if (mpIterator!=NULL)
mpIterator->GotoNextText();
return *this;
}
Iterator Iterator::operator++ (int)
{
Iterator aTmp (*this);
if (mpIterator!=NULL)
mpIterator->GotoNextText();
return aTmp;
}
bool Iterator::operator== (const Iterator& rIterator)
{
if (mpIterator == NULL || rIterator.mpIterator==NULL)
return mpIterator == rIterator.mpIterator;
else
return *mpIterator == *rIterator.mpIterator;
}
bool Iterator::operator!= (const Iterator& rIterator)
{
return ! operator==(rIterator);
}
void Iterator::Reverse (void)
{
if (mpIterator != NULL)
mpIterator->Reverse();
}
//===== IteratorFactory =======================================================
OutlinerContainer::OutlinerContainer (Outliner* pOutliner)
: mpOutliner(pOutliner)
{
}
Iterator OutlinerContainer::begin (void)
{
return CreateIterator (BEGIN);
}
Iterator OutlinerContainer::end (void)
{
return CreateIterator (END);
}
Iterator OutlinerContainer::current (void)
{
return CreateIterator (CURRENT);
}
Iterator OutlinerContainer::CreateIterator (IteratorLocation aLocation)
{
// Decide on certain features of the outliner which kind of iterator to
// use.
if (mpOutliner->mbRestrictSearchToSelection)
// There is a selection. Search only in this.
return CreateSelectionIterator (
mpOutliner->maMarkListCopy,
mpOutliner->mpDrawDocument,
mpOutliner->mpViewShell,
mpOutliner->mbDirectionIsForward,
aLocation);
else
// Search in the whole document.
return CreateDocumentIterator (
mpOutliner->mpDrawDocument,
mpOutliner->mpViewShell,
mpOutliner->mbDirectionIsForward,
aLocation);
}
Iterator OutlinerContainer::CreateSelectionIterator (
const ::std::vector<SdrObjectWeakRef>& rObjectList,
SdDrawDocument* pDocument,
const ::boost::shared_ptr<ViewShell>& rpViewShell,
bool bDirectionIsForward,
IteratorLocation aLocation)
{
OSL_ASSERT(rpViewShell.get());
sal_Int32 nObjectIndex;
if (bDirectionIsForward)
switch (aLocation)
{
case CURRENT:
case BEGIN:
default:
nObjectIndex = 0;
break;
case END:
nObjectIndex = rObjectList.size();
break;
}
else
switch (aLocation)
{
case CURRENT:
case BEGIN:
default:
nObjectIndex = rObjectList.size()-1;
break;
case END:
nObjectIndex = -1;
break;
}
return Iterator (new SelectionIteratorImpl (
rObjectList, nObjectIndex, pDocument, rpViewShell, bDirectionIsForward));
}
Iterator OutlinerContainer::CreateDocumentIterator (
SdDrawDocument* pDocument,
const ::boost::shared_ptr<ViewShell>& rpViewShell,
bool bDirectionIsForward,
IteratorLocation aLocation)
{
OSL_ASSERT(rpViewShell.get());
PageKind ePageKind;
EditMode eEditMode;
switch (aLocation)
{
case BEGIN:
default:
if (bDirectionIsForward)
{
ePageKind = PK_STANDARD;
eEditMode = EM_PAGE;
}
else
{
ePageKind = PK_HANDOUT;
eEditMode = EM_MASTERPAGE;
}
break;
case END:
if (bDirectionIsForward)
{
ePageKind = PK_HANDOUT;
eEditMode = EM_MASTERPAGE;
}
else
{
ePageKind = PK_STANDARD;
eEditMode = EM_PAGE;
}
break;
case CURRENT:
const ::boost::shared_ptr<DrawViewShell> pDrawViewShell(
::boost::dynamic_pointer_cast<DrawViewShell>(rpViewShell));
if (pDrawViewShell.get())
{
ePageKind = pDrawViewShell->GetPageKind();
eEditMode = pDrawViewShell->GetEditMode();
}
else
{
ePageKind = PK_STANDARD;
eEditMode = EM_PAGE;
}
break;
}
sal_Int32 nPageIndex = GetPageIndex (pDocument, rpViewShell,
ePageKind, eEditMode, bDirectionIsForward, aLocation);
return Iterator (
new DocumentIteratorImpl (nPageIndex, ePageKind, eEditMode,
pDocument, rpViewShell, bDirectionIsForward));
}
sal_Int32 OutlinerContainer::GetPageIndex (
SdDrawDocument* pDocument,
const ::boost::shared_ptr<ViewShell>& rpViewShell,
PageKind ePageKind,
EditMode eEditMode,
bool bDirectionIsForward,
IteratorLocation aLocation)
{
OSL_ASSERT(rpViewShell);
sal_Int32 nPageIndex;
sal_Int32 nPageCount;
const ::boost::shared_ptr<DrawViewShell> pDrawViewShell(
::boost::dynamic_pointer_cast<DrawViewShell>(rpViewShell));
switch (eEditMode)
{
case EM_PAGE:
nPageCount = pDocument->GetSdPageCount (ePageKind);
break;
case EM_MASTERPAGE:
nPageCount = pDocument->GetMasterSdPageCount(ePageKind);
break;
default:
nPageCount = 0;
}
switch (aLocation)
{
case CURRENT:
if (pDrawViewShell.get())
nPageIndex = pDrawViewShell->GetCurPageId() - 1;
else
{
const SdPage* pPage = rpViewShell->GetActualPage();
if (pPage != NULL)
nPageIndex = (pPage->GetPageNum()-1)/2;
else
nPageIndex = 0;
}
break;
case BEGIN:
default:
if (bDirectionIsForward)
nPageIndex = 0;
else
nPageIndex = nPageCount-1;
break;
case END:
if (bDirectionIsForward)
nPageIndex = nPageCount;
else
nPageIndex = -1;
break;
}
return nPageIndex;
}
//===== IteratorImplBase ====================================================
IteratorImplBase::IteratorImplBase(SdDrawDocument* pDocument,
const ::boost::weak_ptr<ViewShell>& rpViewShellWeak,
bool bDirectionIsForward)
: maPosition()
, mpDocument (pDocument)
, mpViewShellWeak (rpViewShellWeak)
, mbDirectionIsForward (bDirectionIsForward)
{
::boost::shared_ptr<DrawViewShell> pDrawViewShell;
if ( ! mpViewShellWeak.expired())
pDrawViewShell = ::boost::dynamic_pointer_cast<DrawViewShell>(rpViewShellWeak.lock());
if (pDrawViewShell.get())
{
maPosition.mePageKind = pDrawViewShell->GetPageKind();
maPosition.meEditMode = pDrawViewShell->GetEditMode();
}
else
{
maPosition.mePageKind = PK_STANDARD;
maPosition.meEditMode = EM_PAGE;
}
}
IteratorImplBase::IteratorImplBase( SdDrawDocument* pDocument,
const ::boost::weak_ptr<ViewShell>& rpViewShellWeak,
bool bDirectionIsForward, PageKind ePageKind, EditMode eEditMode)
: maPosition()
, mpDocument (pDocument)
, mpViewShellWeak (rpViewShellWeak)
, mbDirectionIsForward (bDirectionIsForward)
{
maPosition.mePageKind = ePageKind;
maPosition.meEditMode = eEditMode;
}
IteratorImplBase::~IteratorImplBase (void)
{}
bool IteratorImplBase::operator== (const IteratorImplBase& rIterator) const
{
return maPosition == rIterator.maPosition;
}
bool IteratorImplBase::IsEqual (const IteratorImplBase& rIterator, IteratorType ) const
{
// When this method is executed instead of the ones from derived classes
// then the argument is of another type then the object itself. In this
// just compare the position objects.
return maPosition == rIterator.maPosition;
}
const IteratorPosition& IteratorImplBase::GetPosition (void)
{
return maPosition;
}
IteratorImplBase* IteratorImplBase::Clone (IteratorImplBase* pObject) const
{
if (pObject != NULL)
{
pObject->maPosition = maPosition;
pObject->mpDocument = mpDocument;
pObject->mpViewShellWeak = mpViewShellWeak;
pObject->mbDirectionIsForward = mbDirectionIsForward;
}
return pObject;
}
void IteratorImplBase::Reverse (void)
{
mbDirectionIsForward = ! mbDirectionIsForward;
}
//===== SelectionIteratorImpl ===========================================
SelectionIteratorImpl::SelectionIteratorImpl (
const ::std::vector<SdrObjectWeakRef>& rObjectList,
sal_Int32 nObjectIndex,
SdDrawDocument* pDocument,
const ::boost::weak_ptr<ViewShell>& rpViewShellWeak,
bool bDirectionIsForward)
: IteratorImplBase (pDocument, rpViewShellWeak, bDirectionIsForward),
mrObjectList(rObjectList),
mnObjectIndex(nObjectIndex)
{
}
SelectionIteratorImpl::~SelectionIteratorImpl (void)
{}
IteratorImplBase* SelectionIteratorImpl::Clone (IteratorImplBase* pObject) const
{
SelectionIteratorImpl* pIterator = static_cast<SelectionIteratorImpl*>(pObject);
if (pIterator == NULL)
pIterator = new SelectionIteratorImpl (
mrObjectList, mnObjectIndex, mpDocument, mpViewShellWeak, mbDirectionIsForward);
return pIterator;
}
void SelectionIteratorImpl::GotoNextText (void)
{
SdrTextObj* pTextObj = dynamic_cast< SdrTextObj* >( mrObjectList.at(mnObjectIndex).get() );
if (mbDirectionIsForward)
{
if( pTextObj )
{
++maPosition.mnText;
if( maPosition.mnText >= pTextObj->getTextCount() )
{
maPosition.mnText = 0;
++mnObjectIndex;
}
}
else
{
++mnObjectIndex;
}
}
else
{
if( pTextObj )
{
--maPosition.mnText;
if( maPosition.mnText < 0 )
{
maPosition.mnText = -1;
--mnObjectIndex;
}
}
else
{
--mnObjectIndex;
maPosition.mnText = -1;
}
if( (maPosition.mnText == -1) && (mnObjectIndex >= 0) )
{
pTextObj = dynamic_cast< SdrTextObj* >( mrObjectList.at(mnObjectIndex).get() );
if( pTextObj )
maPosition.mnText = pTextObj->getTextCount() - 1;
}
if( maPosition.mnText == -1 )
maPosition.mnText = 0;
}
}
const IteratorPosition& SelectionIteratorImpl::GetPosition (void)
{
maPosition.mxObject = mrObjectList.at(mnObjectIndex);
return maPosition;
}
bool SelectionIteratorImpl::operator== (const IteratorImplBase& rIterator) const
{
return rIterator.IsEqual (*this, SELECTION);
}
bool SelectionIteratorImpl::IsEqual (
const IteratorImplBase& rIterator,
IteratorType aType) const
{
if (aType == SELECTION)
{
const SelectionIteratorImpl* pSelectionIterator =
static_cast<const SelectionIteratorImpl*>(&rIterator);
return mpDocument == pSelectionIterator->mpDocument
&& mnObjectIndex == pSelectionIterator->mnObjectIndex;
}
else
return false;
}
//===== ViewIteratorImpl ================================================
ViewIteratorImpl::ViewIteratorImpl (
sal_Int32 nPageIndex,
SdDrawDocument* pDocument,
const ::boost::weak_ptr<ViewShell>& rpViewShellWeak,
bool bDirectionIsForward)
: IteratorImplBase (pDocument, rpViewShellWeak, bDirectionIsForward),
mbPageChangeOccured(false),
mpPage(NULL),
mpObjectIterator(NULL)
{
SetPage (nPageIndex);
}
ViewIteratorImpl::ViewIteratorImpl (
sal_Int32 nPageIndex,
SdDrawDocument* pDocument,
const ::boost::weak_ptr<ViewShell>& rpViewShellWeak,
bool bDirectionIsForward,
PageKind ePageKind,
EditMode eEditMode)
: IteratorImplBase (pDocument, rpViewShellWeak, bDirectionIsForward, ePageKind, eEditMode),
mbPageChangeOccured(false),
mpPage(NULL),
mpObjectIterator(NULL)
{
SetPage (nPageIndex);
}
ViewIteratorImpl::~ViewIteratorImpl (void)
{
}
IteratorImplBase* ViewIteratorImpl::Clone (IteratorImplBase* pObject) const
{
ViewIteratorImpl* pIterator = static_cast<ViewIteratorImpl*>(pObject);
if (pIterator == NULL)
pIterator = new ViewIteratorImpl (
maPosition.mnPageIndex, mpDocument, mpViewShellWeak, mbDirectionIsForward);
IteratorImplBase::Clone (pObject);
if (mpObjectIterator != NULL)
{
pIterator->mpObjectIterator = new SdrObjListIter(*mpPage, IM_DEEPNOGROUPS, !mbDirectionIsForward);
// No direct way to set the object iterator to the current object.
pIterator->maPosition.mxObject.reset(NULL);
while (pIterator->mpObjectIterator->IsMore() && pIterator->maPosition.mxObject!=maPosition.mxObject)
pIterator->maPosition.mxObject.reset(pIterator->mpObjectIterator->Next());
}
else
pIterator->mpObjectIterator = NULL;
return pIterator;
}
void ViewIteratorImpl::GotoNextText(void)
{
SdrTextObj* pTextObj = dynamic_cast< SdrTextObj* >( maPosition.mxObject.get() );
if( pTextObj )
{
if (mbDirectionIsForward)
{
++maPosition.mnText;
if( maPosition.mnText < pTextObj->getTextCount() )
return;
}
else
{
--maPosition.mnText;
if( maPosition.mnText >= 0 )
return;
}
}
if (mpObjectIterator != NULL && mpObjectIterator->IsMore())
maPosition.mxObject.reset(mpObjectIterator->Next());
else
maPosition.mxObject.reset(NULL);
if (!maPosition.mxObject.is() )
{
if (mbDirectionIsForward)
SetPage (maPosition.mnPageIndex+1);
else
SetPage (maPosition.mnPageIndex-1);
if (mpPage != NULL)
mpObjectIterator = new SdrObjListIter(*mpPage, IM_DEEPNOGROUPS, !mbDirectionIsForward);
if (mpObjectIterator!=NULL && mpObjectIterator->IsMore())
maPosition.mxObject.reset(mpObjectIterator->Next());
else
maPosition.mxObject.reset(NULL);
}
maPosition.mnText = 0;
if( !mbDirectionIsForward && maPosition.mxObject.is() )
{
pTextObj = dynamic_cast< SdrTextObj* >( maPosition.mxObject.get() );
if( pTextObj )
maPosition.mnText = pTextObj->getTextCount() - 1;
}
}
void ViewIteratorImpl::SetPage (sal_Int32 nPageIndex)
{
mbPageChangeOccured = (maPosition.mnPageIndex!=nPageIndex);
if (mbPageChangeOccured)
{
maPosition.mnPageIndex = nPageIndex;
sal_Int32 nPageCount;
if (maPosition.meEditMode == EM_PAGE)
nPageCount = mpDocument->GetSdPageCount(maPosition.mePageKind);
else
nPageCount = mpDocument->GetMasterSdPageCount(
maPosition.mePageKind);
// Get page pointer. Here we have three cases: regular pages,
// master pages and invalid page indices. The later ones are not
// errors but the effect of the iterator advancing to the next page
// and going past the last one. This dropping of the rim at the far
// side is detected here and has to be reacted to by the caller.
if (nPageIndex>=0 && nPageIndex < nPageCount)
{
if (maPosition.meEditMode == EM_PAGE)
mpPage = mpDocument->GetSdPage (
(USHORT)nPageIndex,
maPosition.mePageKind);
else
mpPage = mpDocument->GetMasterSdPage (
(USHORT)nPageIndex,
maPosition.mePageKind);
}
else
mpPage = NULL;
}
// Set up object list iterator.
if (mpPage != NULL)
mpObjectIterator = new SdrObjListIter(*mpPage, IM_DEEPNOGROUPS, ! mbDirectionIsForward);
else
mpObjectIterator = NULL;
// Get object pointer.
if (mpObjectIterator!=NULL && mpObjectIterator->IsMore())
maPosition.mxObject.reset( mpObjectIterator->Next() );
else
maPosition.mxObject.reset( NULL );
maPosition.mnText = 0;
if( !mbDirectionIsForward && maPosition.mxObject.is() )
{
SdrTextObj* pTextObj = dynamic_cast< SdrTextObj* >( maPosition.mxObject.get() );
if( pTextObj )
maPosition.mnText = pTextObj->getTextCount() - 1;
}
}
void ViewIteratorImpl::Reverse (void)
{
IteratorImplBase::Reverse ();
// Create reversed object list iterator.
if (mpObjectIterator != NULL)
delete mpObjectIterator;
if (mpPage != NULL)
mpObjectIterator = new SdrObjListIter(*mpPage, IM_DEEPNOGROUPS, ! mbDirectionIsForward);
else
mpObjectIterator = NULL;
// Move iterator to the current object.
SdrObjectWeakRef xObject = maPosition.mxObject;
maPosition.mxObject.reset(NULL);
while (mpObjectIterator->IsMore() && maPosition.mxObject != xObject)
maPosition.mxObject.reset(mpObjectIterator->Next());
}
//===== DocumentIteratorImpl ============================================
DocumentIteratorImpl::DocumentIteratorImpl (
sal_Int32 nPageIndex,
PageKind ePageKind, EditMode eEditMode,
SdDrawDocument* pDocument,
const ::boost::weak_ptr<ViewShell>& rpViewShellWeak,
bool bDirectionIsForward)
: ViewIteratorImpl (nPageIndex, pDocument, rpViewShellWeak, bDirectionIsForward,
ePageKind, eEditMode)
{
if (eEditMode == EM_PAGE)
mnPageCount = pDocument->GetSdPageCount (ePageKind);
else
mnPageCount = pDocument->GetMasterSdPageCount(ePageKind);
}
DocumentIteratorImpl::~DocumentIteratorImpl (void)
{}
IteratorImplBase* DocumentIteratorImpl::Clone (IteratorImplBase* pObject) const
{
DocumentIteratorImpl* pIterator = static_cast<DocumentIteratorImpl*>(pObject);
if (pIterator == NULL)
pIterator = new DocumentIteratorImpl (
maPosition.mnPageIndex, maPosition.mePageKind, maPosition.meEditMode,
mpDocument, mpViewShellWeak, mbDirectionIsForward);
// Finish the cloning.
return ViewIteratorImpl::Clone (pIterator);
}
void DocumentIteratorImpl::GotoNextText (void)
{
bool bSetToOnePastLastPage = false;
bool bViewChanged = false;
ViewIteratorImpl::GotoNextText();
if (mbDirectionIsForward)
{
if (maPosition.mnPageIndex >= mnPageCount)
{
// Switch to master page.
if (maPosition.meEditMode == EM_PAGE)
{
maPosition.meEditMode = EM_MASTERPAGE;
SetPage (0);
}
// Switch to next view mode.
else
{
if (maPosition.mePageKind == PK_HANDOUT)
// Not really necessary but makes things more clear.
bSetToOnePastLastPage = true;
else
{
maPosition.meEditMode = EM_PAGE;
if (maPosition.mePageKind == PK_STANDARD)
maPosition.mePageKind = PK_NOTES;
else if (maPosition.mePageKind == PK_NOTES)
maPosition.mePageKind = PK_HANDOUT;
SetPage (0);
}
}
bViewChanged = true;
}
}
else
if (maPosition.mnPageIndex < 0)
{
// Switch from master pages to draw pages.
if (maPosition.meEditMode == EM_MASTERPAGE)
{
maPosition.meEditMode = EM_PAGE;
bSetToOnePastLastPage = true;
}
// Switch to previous view mode.
else
{
if (maPosition.mePageKind == PK_STANDARD)
SetPage (-1);
else
{
maPosition.meEditMode = EM_MASTERPAGE;
if (maPosition.mePageKind == PK_HANDOUT)
maPosition.mePageKind = PK_NOTES;
else if (maPosition.mePageKind == PK_NOTES)
maPosition.mePageKind = PK_STANDARD;
bSetToOnePastLastPage = true;
}
}
bViewChanged = true;
}
if (bViewChanged)
{
// Get new page count;
sal_Int32 nPageCount;
if (maPosition.meEditMode == EM_PAGE)
nPageCount = mpDocument->GetSdPageCount (maPosition.mePageKind);
else
nPageCount = mpDocument->GetMasterSdPageCount(maPosition.mePageKind);
// Now that we know the number of pages we can set the current page index.
if (bSetToOnePastLastPage)
SetPage (nPageCount);
}
}
} } // end of namespace ::sd::outliner