C++ UndoTransaction类代码示例

void BarcodeGenerator::okButton_pressed()
{

	QString psFile = QDir::toNativeSeparators(ScPaths::tempFileDir() + "bcode.ps");

	// no need to call paintBarcode(pngFile, 300); because
	// it's created by previous run...
	hide();
	const FileFormat * fmt = LoadSavePlugin::getFormatByExt("ps");

	UndoTransaction tran;
	if (UndoManager::undoEnabled())
	{
		tran = UndoManager::instance()->beginTransaction(
							ScCore->primaryMainWindow()->doc->currentPage()->getUName(),
							Um::IImageFrame,
							Um::ImportBarcode,
							ui.bcCombo->currentText() + " (" + ui.codeEdit->text() + ")",
							Um::IEPS);
	}

	if (fmt)
	{
		fmt->loadFile(psFile, LoadSavePlugin::lfUseCurrentPage|LoadSavePlugin::lfInteractive);
		if (tran)
			tran.commit();
	}
	accept();
}

bool WMFImportPlugin::import(QString filename, int flags)
{
	if (!checkFlags(flags))
		return false;
	if (m_Doc == nullptr)
		m_Doc = ScCore->primaryMainWindow()->doc;
	ScribusMainWindow* mw=(m_Doc==nullptr) ? ScCore->primaryMainWindow() : m_Doc->scMW();
	if (filename.isEmpty())
	{
		flags |= lfInteractive;
		PrefsContext* prefs = PrefsManager::instance()->prefsFile->getPluginContext("WMFPlugin");
		QString wdir = prefs->get("wdir", ".");
		CustomFDialog diaf(mw, wdir, QObject::tr("Open"), FormatsManager::instance()->fileDialogFormatList(FormatsManager::WMF));
		if (diaf.exec())
		{
			filename = diaf.selectedFile();
			prefs->set("wdir", filename.left(filename.lastIndexOf("/")));
		}
		else
			return true;
	}
	
	bool hasCurrentPage = (m_Doc && m_Doc->currentPage());
	TransactionSettings trSettings;
	trSettings.targetName   = hasCurrentPage ? m_Doc->currentPage()->getUName() : "";
	trSettings.targetPixmap = Um::IImageFrame;
	trSettings.actionName   = Um::ImportWMF;
	trSettings.description  = filename;
	trSettings.actionPixmap = Um::IWMF;
	UndoTransaction activeTransaction;
	if ((m_Doc == nullptr) || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(false);
	if (UndoManager::undoEnabled())
		activeTransaction = UndoManager::instance()->beginTransaction(trSettings);
	WMFImport *dia = new WMFImport(m_Doc, flags);
	dia->import(filename, trSettings, flags);
	Q_CHECK_PTR(dia);
	if (activeTransaction)
		activeTransaction.commit();
	if ((m_Doc == nullptr) || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(true);
	if (dia->importCanceled)
	{
		if (dia->importFailed)
			ScMessageBox::warning(mw, CommonStrings::trWarning, tr("The file could not be imported"));
		else if (dia->unsupported)
			ScMessageBox::warning(mw, CommonStrings::trWarning, tr("WMF file contains some unsupported features"));
	}

	bool success = !dia->importFailed;
	delete dia;
	return success;
}

void CanvasMode_ObjImport::mousePressEvent(QMouseEvent *m)
{
// 	const double mouseX = m->globalX();
// 	const double mouseY = m->globalY();
	const FPoint mousePointDoc = m_canvas->globalToCanvas(m->globalPos());

	double Rxp = 0, Ryp = 0;
	m_canvas->PaintSizeRect(QRect());
	m_canvas->m_viewMode.m_MouseButtonPressed = true;
	m_canvas->m_viewMode.operItemMoving = false;
	m_view->HaveSelRect = false;
	m_doc->DragP = false;
	m_doc->leaveDrag = false;
//	oldClip = 0;
	m->accept();
	m_view->registerMousePress(m->globalPos());
	Mxp = mousePointDoc.x();
	Myp = mousePointDoc.y();
	Rxp = m_doc->ApplyGridF(FPoint(Mxp, Myp)).x();
	Mxp = qRound(Rxp);
	Ryp = m_doc->ApplyGridF(FPoint(Mxp, Myp)).y();
	Myp = qRound(Ryp);
	if (m->button() == Qt::MidButton)
	{
		m_view->MidButt = true;
		if (m->modifiers() & Qt::ControlModifier)
			m_view->DrawNew();
		return;
	}
	if ((m->button() == Qt::LeftButton) && m_mimeData)
	{
		UndoTransaction* undoTransaction = NULL;
		if (m_trSettings && UndoManager::undoEnabled())
		{
			undoTransaction = new UndoTransaction(UndoManager::instance()->beginTransaction(*m_trSettings));
		}
		// Creating QDragEnterEvent outside of Qt is not recommended per docs :S
		QPoint dropPos = m_view->widget()->mapFromGlobal(m->globalPos());
		QDropEvent dropEvent(dropPos, Qt::CopyAction|Qt::MoveAction, m_mimeData, m->buttons(), m->modifiers());
		m_view->contentsDropEvent(&dropEvent);
		// Commit undo transaction if necessary
		if (undoTransaction)
		{
			undoTransaction->commit();
			delete undoTransaction;
			undoTransaction = NULL;
		}
		// Return to normal mode
		m_view->requestMode(modeNormal);
	}
}

void gtAction::writeUnstyled(const QString& text)
{
	UndoTransaction* activeTransaction = NULL;
	if (isFirstWrite)
	{
		if (!doAppend)
		{
			if (UndoManager::undoEnabled())
				activeTransaction = new UndoTransaction(undoManager->beginTransaction(Um::Selection, Um::IGroup, Um::ImportText, "", Um::IDelete));
			if (it->nextInChain() != 0)
			{
				PageItem *nextItem = it->nextInChain();
				while (nextItem != 0)
				{
					nextItem->itemText.selectAll();
					nextItem->asTextFrame()->deleteSelectedTextFromFrame();
					nextItem = nextItem->nextInChain();
				}
			}
			it->itemText.selectAll();
			it->asTextFrame()->deleteSelectedTextFromFrame();
		}
	}

	QChar ch0(0), ch5(5), ch10(10), ch13(13);
	QString textStr = text;
	textStr.remove(ch0);
	textStr.remove(ch13);
	textStr.replace(ch10,ch13);
	textStr.replace(ch5,ch13);
	textStr.replace(QString(0x2028),SpecialChars::LINEBREAK);
	textStr.replace(QString(0x2029),SpecialChars::PARSEP);
	int pos = it->itemText.length();
	if (UndoManager::undoEnabled())
	{
		SimpleState *ss = new SimpleState(Um::AppendText,"",Um::ICreate);
			ss->set("INSERT_FRAMETEXT", "insert_frametext");
			ss->set("TEXT_STR",textStr);
			ss->set("START", pos);
			undoManager->action(it, ss);
	}
	it->itemText.insertChars(pos, textStr);
	lastCharWasLineChange = text.right(1) == "\n";
	isFirstWrite = false;
	if (activeTransaction)
	{
		activeTransaction->commit();
		delete activeTransaction;
		activeTransaction = NULL;
	}
}

bool ImportXfigPlugin::import(QString fileName, int flags)
{
	if (!checkFlags(flags))
		return false;
	if( fileName.isEmpty() )
	{
		flags |= lfInteractive;
		PrefsContext* prefs = PrefsManager::instance()->prefsFile->getPluginContext("importxfig");
		QString wdir = prefs->get("wdir", ".");
		CustomFDialog diaf(ScCore->primaryMainWindow(), wdir, QObject::tr("Open"), tr("All Supported Formats")+" (*.fig *.FIG);;All Files (*)");
		if (diaf.exec())
		{
			fileName = diaf.selectedFile();
			prefs->set("wdir", fileName.left(fileName.lastIndexOf("/")));
		}
		else
			return true;
	}
	m_Doc=ScCore->primaryMainWindow()->doc;
	UndoTransaction* activeTransaction = NULL;
	bool emptyDoc = (m_Doc == NULL);
	bool hasCurrentPage = (m_Doc && m_Doc->currentPage());
	TransactionSettings trSettings;
	trSettings.targetName   = hasCurrentPage ? m_Doc->currentPage()->getUName() : "";
	trSettings.targetPixmap = Um::IImageFrame;
	trSettings.actionName   = Um::ImportXfig;
	trSettings.description  = fileName;
	trSettings.actionPixmap = Um::IXFIG;
	if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(false);
	if (UndoManager::undoEnabled())
		activeTransaction = new UndoTransaction(UndoManager::instance()->beginTransaction(trSettings));
	XfigPlug *dia = new XfigPlug(m_Doc, flags);
	Q_CHECK_PTR(dia);
	dia->import(fileName, trSettings, flags);
	if (activeTransaction)
	{
		activeTransaction->commit();
		delete activeTransaction;
		activeTransaction = NULL;
	}
	if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(true);
	delete dia;
	return true;
}

void CanvasMode_ObjImport::mouseReleaseEvent(QMouseEvent *m)
{
	m_canvas->m_viewMode.m_MouseButtonPressed = false;
	m_canvas->resetRenderMode();
	m->accept();
	if ((m->button() == Qt::LeftButton) && m_mimeData)
	{
		UndoTransaction* undoTransaction = NULL;
		if (m_trSettings && UndoManager::undoEnabled())
		{
			undoTransaction = new UndoTransaction(UndoManager::instance()->beginTransaction(*m_trSettings));
		}
		// Creating QDragEnterEvent outside of Qt is not recommended per docs :S
		QPoint dropPos = m_view->widget()->mapFromGlobal(m->globalPos());
		const FPoint mousePointDoc = m_canvas->globalToCanvas(m->globalPos());
		QDropEvent dropEvent(dropPos, Qt::CopyAction|Qt::MoveAction, m_mimeData, m->buttons(), m->modifiers());
		m_view->contentsDropEvent(&dropEvent);
		if (m_doc->m_Selection->count() > 0)
		{
			double gx, gy, gh, gw;
			m_doc->m_Selection->getGroupRect(&gx, &gy, &gw, &gh);
			m_doc->moveGroup(mousePointDoc.x() - gx, mousePointDoc.y() -gy);
		}
		// Commit undo transaction if necessary
		if (undoTransaction)
		{
			undoTransaction->commit();
			delete undoTransaction;
			undoTransaction = NULL;
		}
		// Return to normal mode
		m_view->requestMode(modeNormal);
	}
//	m_view->stopDragTimer();
	
	m_canvas->setRenderModeUseBuffer(false);
	m_doc->DragP = false;
	m_doc->leaveDrag = false;
	m_canvas->m_viewMode.operItemMoving = false;
	m_canvas->m_viewMode.operItemResizing = false;
	m_view->MidButt = false;
	//Make sure the Zoom spinbox and page selector dont have focus if we click on the canvas
	m_view->m_ScMW->zoomSpinBox->clearFocus();
	m_view->m_ScMW->pageSelector->clearFocus();
}

bool ImportPSPlugin::import(QString fileName, int flags)
{
	if (!checkFlags(flags))
		return false;
	if( fileName.isEmpty() )
	{
		flags |= lfInteractive;
		PrefsContext* prefs = PrefsManager::instance()->prefsFile->getPluginContext("importps");
		QString wdir = prefs->get("wdir", ".");
		CustomFDialog diaf(ScCore->primaryMainWindow(), wdir, QObject::tr("Open"), FormatsManager::instance()->fileDialogFormatList(FormatsManager::EPS|FormatsManager::PS));
		if (diaf.exec())
		{
			fileName = diaf.selectedFile();
			prefs->set("wdir", fileName.left(fileName.lastIndexOf("/")));
		}
		else
			return true;
	}
	m_Doc=ScCore->primaryMainWindow()->doc;
	UndoTransaction activeTransaction;
	bool emptyDoc = (m_Doc == nullptr);
	bool hasCurrentPage = (m_Doc && m_Doc->currentPage());
	TransactionSettings trSettings;
	trSettings.targetName   = hasCurrentPage ? m_Doc->currentPage()->getUName() : "";
	trSettings.targetPixmap = Um::IImageFrame;
	trSettings.actionName   = Um::ImportEPS;
	trSettings.description  = fileName;
	trSettings.actionPixmap = Um::IEPS;
	if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(false);
	if (UndoManager::undoEnabled())
		activeTransaction = UndoManager::instance()->beginTransaction(trSettings);
	EPSPlug *dia = new EPSPlug(m_Doc, flags);
	Q_CHECK_PTR(dia);
	dia->import(fileName, trSettings, flags);
	if (activeTransaction)
		activeTransaction.commit();
	if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(true);
	delete dia;
	return true;
}

static void remove_cel(Sprite* sprite, UndoTransaction& undo, LayerImage *layer, Cel *cel)
{
  Image *image;
  Cel *it;
  bool used;

  if (sprite != NULL && layer->isImage() && cel != NULL) {
    /* find if the image that use the cel to remove, is used by
       another cels */
    used = false;
    for (FrameNumber frame(0); frame<sprite->getTotalFrames(); ++frame) {
      it = layer->getCel(frame);
      if (it != NULL && it != cel && it->getImage() == cel->getImage()) {
        used = true;
        break;
      }
    }

    if (!used) {
      // If the image is only used by this cel, we can remove the
      // image from the stock.
      image = sprite->getStock()->getImage(cel->getImage());

      if (undo.isEnabled())
        undo.pushUndoer(new undoers::RemoveImage(undo.getObjects(),
            sprite->getStock(), cel->getImage()));

      sprite->getStock()->removeImage(image);
      image_free(image);
    }

    if (undo.isEnabled()) {
      undo.pushUndoer(new undoers::RemoveCel(undo.getObjects(), layer, cel));
    }

    // Remove the cel
    layer->removeCel(cel);
    delete cel;
  }
}

bool PathConnectPlugin::run(ScribusDoc* doc, QString)
{
	m_doc = doc;
	firstUpdate = true;
	if (m_doc == 0)
		m_doc = ScCore->primaryMainWindow()->doc;
	if (m_doc->m_Selection->count() > 1)
	{
		m_item1 = m_doc->m_Selection->itemAt(0);
		m_item2 = m_doc->m_Selection->itemAt(1);
		originalPath1 = m_item1->PoLine.copy();
		originalPath2 = m_item2->PoLine.copy();
		originalXPos = m_item1->xPos();
		originalYPos = m_item1->yPos();
		PathConnectDialog *dia = new PathConnectDialog(m_doc->scMW());
		connect(dia, SIGNAL(updateValues(int, int, int, int)), this, SLOT(updateEffect(int, int, int, int)));
		if (dia->exec())
		{
			int pointOne = dia->getFirstLinePoint();
			int pointTwo = dia->getSecondLinePoint();
			int mode = dia->getMode();
			UndoTransaction *trans = NULL;
			if(UndoManager::undoEnabled())
				trans = new UndoTransaction(UndoManager::instance()->beginTransaction(Um::BezierCurve,Um::ILine,Um::ConnectPath,"",Um::ILine));

			m_item1->PoLine = computePath(pointOne, pointTwo, mode, originalPath1, originalPath2);
			m_item1->ClipEdited = true;
			m_item1->FrameType = 3;
			m_doc->AdjustItemSize(m_item1);
			m_item1->OldB2 = m_item1->width();
			m_item1->OldH2 = m_item1->height();
			if(UndoManager::undoEnabled())
			{
				ScItemState<QPair<FPointArray,FPointArray> > *is = new ScItemState<QPair<FPointArray,FPointArray> >(Um::ConnectPath);
				is->set("CONNECT_PATH","connect_path");
				is->set("OLDX", originalXPos);
				is->set("OLDY", originalYPos);
				is->set("NEWX", m_item1->xPos());
				is->set("NEWY", m_item1->yPos());
				is->setItem(qMakePair(originalPath1, m_item1->PoLine));
				UndoManager::instance()->action(m_item1, is);
			}
			m_item1->updateClip();
			m_item1->ContourLine = m_item1->PoLine.copy();
			m_doc->m_Selection->removeItem(m_item1);
			m_doc->itemSelection_DeleteItem();
			m_doc->changed();
			if (trans)
			{
				trans->commit();
				delete trans;
				trans = NULL;
			}
		}
		else
		{
			m_item1->PoLine = originalPath1.copy();
			m_item1->ClipEdited = true;
			m_item1->FrameType = 3;
			m_item1->setXYPos(originalXPos, originalYPos);
			m_doc->AdjustItemSize(m_item1);
			m_item1->OldB2 = m_item1->width();
			m_item1->OldH2 = m_item1->height();
			m_item1->updateClip();
			m_item1->ContourLine = m_item1->PoLine.copy();
		}
		m_doc->view()->DrawNew();
		delete dia;
	}

void gtAction::writeUnstyled(const QString& text, bool isNote)
{
	UndoTransaction activeTransaction;
	if (isFirstWrite && it->itemText.length() > 0)
	{
		if (!doAppend)
		{
			if (UndoManager::undoEnabled())
				activeTransaction = undoManager->beginTransaction(Um::Selection, Um::IGroup, Um::ImportText, "", Um::IDelete);
			if (it->nextInChain() != 0)
			{
				PageItem *nextItem = it->nextInChain();
				while (nextItem != 0)
				{
					nextItem->itemText.selectAll();
					nextItem->asTextFrame()->deleteSelectedTextFromFrame();
					nextItem = nextItem->nextInChain();
				}
			}
			it->itemText.selectAll();
			it->asTextFrame()->deleteSelectedTextFromFrame();
		}
	}

	QChar ch0(0), ch5(5), ch10(10), ch13(13);
	QString textStr = text;
	textStr.remove(ch0);
	textStr.remove(ch13);
	textStr.replace(ch10,ch13);
	textStr.replace(ch5,ch13);
	textStr.replace(QString(0x2028),SpecialChars::LINEBREAK);
	textStr.replace(QString(0x2029),SpecialChars::PARSEP);
	if (isNote)
	{
		if (note == NULL)
		{
			note = it->m_Doc->newNote(it->m_Doc->m_docNotesStylesList.at(0));
			Q_ASSERT(noteStory == NULL);
			noteStory = new StoryText(it->m_Doc);
		}
		if (textStr == SpecialChars::OBJECT)
		{
			NotesStyle* nStyle = note->notesStyle();
			QString label = "NoteMark_" + nStyle->name();
			if (nStyle->range() == NSRsection)
				label += " in section " + it->m_Doc->getSectionNameForPageIndex(it->OwnPage) + " page " + QString::number(it->OwnPage +1);
			else if (nStyle->range() == NSRpage)
				label += " on page " + QString::number(it->OwnPage +1);
			else if (nStyle->range() == NSRstory)
				label += " in " + it->firstInChain()->itemName();
			else if (nStyle->range() == NSRframe)
				label += " in frame" + it->itemName();
			if (it->m_Doc->getMark(label + "_1", MARKNoteMasterType) != NULL)
				getUniqueName(label,it->m_Doc->marksLabelsList(MARKNoteMasterType), "_"); //FIX ME here user should be warned that inserted mark`s label was changed
			else
				label = label + "_1";
			Mark* mrk = it->m_Doc->newMark();
			mrk->label = label;
			mrk->setType(MARKNoteMasterType);
			mrk->setNotePtr(note);
			note->setMasterMark(mrk);
			if (noteStory->text(noteStory->length() -1) == SpecialChars::PARSEP)
				noteStory->removeChars(noteStory->length() -1, 1);
			note->setSaxedText(saxedText(noteStory));
			mrk->setString("");
			mrk->OwnPage = it->OwnPage;
			it->itemText.insertMark(mrk);
			if (UndoManager::undoEnabled())
			{
				ScItemsState* is = new ScItemsState(UndoManager::InsertNote);
				is->set("ETEA", mrk->label);
				is->set("MARK", QString("new"));
				is->set("label", mrk->label);
				is->set("type", (int) MARKNoteMasterType);
				is->set("strtxt", QString(""));
				is->set("nStyle", nStyle->name());
				is->set("at", it->itemText.cursorPosition() -1);
				is->insertItem("inItem", it);
				undoManager->action(it->m_Doc, is);
			}
			note = NULL;
			delete noteStory;
		}
		else
			noteStory->insertChars(noteStory->length(), textStr);
	}
	else
	{
		int pos = it->itemText.length();
		if (UndoManager::undoEnabled())
		{
			SimpleState *ss = new SimpleState(Um::AppendText,"",Um::ICreate);
			ss->set("INSERT_FRAMETEXT", "insert_frametext");
			ss->set("TEXT_STR",textStr);
			ss->set("START", pos);
			undoManager->action(it, ss);
		}
		it->itemText.insertChars(pos, textStr);
	}
	lastCharWasLineChange = text.right(1) == "\n";
//.........这里部分代码省略.........

void CalligraphicMode::mouseReleaseEvent(QMouseEvent *m)
{
	undoManager->setUndoEnabled(true);
	PageItem *currItem;
	m_MouseButtonPressed = false;
	m_canvas->resetRenderMode();
	m->accept();
	
	if (m_doc->appMode == modeDrawCalligraphicLine)
	{
		if (RecordP.size() > 1)
		{
			UndoTransaction createTransaction;
			if (UndoManager::undoEnabled())
				createTransaction = UndoManager::instance()->beginTransaction();
			uint z = m_doc->itemAdd(PageItem::Polygon, PageItem::Unspecified, Mxp, Myp, 1, 1, m_doc->itemToolPrefs().calligraphicPenLineWidth, m_doc->itemToolPrefs().calligraphicPenFillColor, m_doc->itemToolPrefs().calligraphicPenLineColor);
			currItem = m_doc->Items->at(z);
			currItem->PoLine.resize(0);
			QList<QPointF> clipU;
			QList<QPointF> clipL;
			double mx = sin(m_doc->itemToolPrefs().calligraphicPenAngle / 180.0 * M_PI) * (m_doc->itemToolPrefs().calligraphicPenWidth / 2.0);
			double my = cos(m_doc->itemToolPrefs().calligraphicPenAngle / 180.0 * M_PI) * (m_doc->itemToolPrefs().calligraphicPenWidth / 2.0);
			for (int px = 0; px < RecordP.size()-1; ++px)
			{
				FPoint clp = RecordP.point(px);
				clipU.append(QPointF(clp.x() - mx, clp.y() - my));
				clipL.prepend(QPointF(clp.x() + mx, clp.y() + my));
			}
			QPainterPath ppU = bezierFit(clipU, 5.0);
			QPainterPath ppL = bezierFit(clipL, 5.0);
			QPainterPath pp;
			pp.addPath(ppU);
			pp.connectPath(ppL);
			pp.closeSubpath();
			currItem->PoLine.fromQPainterPath(pp);
			FPoint tp2(getMinClipF(&currItem->PoLine));
			currItem->setXYPos(tp2.x(), tp2.y(), true);
			currItem->PoLine.translate(-tp2.x(), -tp2.y());
			FPoint tp(getMaxClipF(&currItem->PoLine));
			m_doc->sizeItem(tp.x(), tp.y(), currItem, false, false, false);
			m_doc->adjustItemSize(currItem);
			m_doc->m_Selection->clear();
			m_doc->m_Selection->addItem(currItem);
			currItem->ClipEdited = true;
			currItem->FrameType = 3;
			currItem->OwnPage = m_doc->OnPage(currItem);
			currItem->PLineArt = Qt::PenStyle(m_doc->itemToolPrefs().calligraphicPenStyle);
			currItem->setFillShade(m_doc->itemToolPrefs().calligraphicPenFillColorShade);
			currItem->setLineShade(m_doc->itemToolPrefs().calligraphicPenLineColorShade);
			currItem->setFillEvenOdd(true);
			m_view->resetMousePressed();
			currItem->checkChanges();
			QString targetName = Um::ScratchSpace;
			if (currItem->OwnPage > -1)
				targetName = m_doc->Pages->at(currItem->OwnPage)->getUName();
			if (createTransaction)
				createTransaction.commit(targetName, currItem->getUPixmap(), Um::Create + " " + currItem->getUName(),  "", Um::ICreate);
			//FIXME	
			m_canvas->m_viewMode.operItemResizing = false;
			m_doc->changed();
		}
		if (!PrefsManager::instance()->appPrefs.uiPrefs.stickyTools)
		{
			m_view->requestMode(modeNormal);
		}
		else
			m_view->requestMode(m_doc->appMode);
		return;
	}

	m_canvas->setRenderModeUseBuffer(false);
	
	m_doc->DragP = false;
	m_doc->leaveDrag = false;
	m_view->MidButt = false;
	if (m_view->groupTransactionStarted())
	{
		for (int i = 0; i < m_doc->m_Selection->count(); ++i)
			m_doc->m_Selection->itemAt(i)->checkChanges(true);
		m_view->endGroupTransaction();
	}

	for (int i = 0; i < m_doc->m_Selection->count(); ++i)
		m_doc->m_Selection->itemAt(i)->checkChanges(true);

	//Commit drag created items to undo manager.
	if (m_doc->m_Selection->itemAt(0)!=NULL)
	{
		m_doc->itemAddCommit(m_doc->m_Selection->itemAt(0));
	}
	//Make sure the Zoom spinbox and page selector don't have focus if we click on the canvas
	m_view->m_ScMW->zoomSpinBox->clearFocus();
	m_view->m_ScMW->pageSelector->clearFocus();
	if (m_doc->m_Selection->itemAt(0) != 0) // is there the old clip stored for the undo action
	{
		currItem = m_doc->m_Selection->itemAt(0);
		m_doc->nodeEdit.finishTransaction(currItem);
	}
}

bool PathFinderPlugin::run(ScribusDoc* doc, QString)
{
	ScribusDoc* currDoc = doc;
	if (currDoc == 0)
		currDoc = ScCore->primaryMainWindow()->doc;
	if (currDoc->m_Selection->count() <= 1)
		return true;
	
	//<<#9046
	UndoTransaction* activeTransaction = NULL;
	UndoManager* undoManager = UndoManager::instance();
	if (UndoManager::undoEnabled())
		activeTransaction = new UndoTransaction(undoManager->beginTransaction(Um::SelectionGroup, Um::IDocument, Um::PathOperation, "", Um::IPolygon));
	//>>#9046
	
	PageItem *Item1 = currDoc->m_Selection->itemAt(0);
	PageItem *Item2 = currDoc->m_Selection->itemAt(1);
	PathFinderDialog *dia = new PathFinderDialog(currDoc->scMW(), currDoc, Item1, Item2);
	if (dia->exec())
	{
		int opMode=dia->opMode;
		if (dia->keepItem1)
		{
			PageItem *newItem;
			if (dia->swapped)
			{
				newItem = new PageItem_Polygon(*Item2);
				newItem->setSelected(false);
				currDoc->Items->insert(currDoc->Items->indexOf(Item2), newItem);
			}
			else
			{
				newItem = new PageItem_Polygon(*Item1);
				newItem->setSelected(false);
				currDoc->Items->insert(currDoc->Items->indexOf(Item1), newItem);
			}
			if (UndoManager::undoEnabled())
			{
				ScItemState<PageItem*> *is = new ScItemState<PageItem*>("Create PageItem");
				is->set("CREATE_ITEM", "create_item");
				is->setItem(newItem);
				UndoObject *target = currDoc->Pages->at(Item1->OwnPage);
				undoManager->action(target, is);
			}
		}
		if (dia->keepItem2)
		{
			PageItem *newItem;
			if (dia->swapped)
			{
				newItem = new PageItem_Polygon(*Item1);
				newItem->setSelected(false);
				currDoc->Items->insert(currDoc->Items->indexOf(Item1), newItem);
			}
			else
			{
				newItem = new PageItem_Polygon(*Item2);
				newItem->setSelected(false);
				currDoc->Items->insert(currDoc->Items->indexOf(Item2), newItem);
			}
			if (UndoManager::undoEnabled())
			{
				ScItemState<PageItem*> *is = new ScItemState<PageItem*>("Create PageItem");
				is->set("CREATE_ITEM", "create_item");
				is->setItem(newItem);
				UndoObject *target = currDoc->Pages->at(Item1->OwnPage);
				undoManager->action(target, is);
			}
		}
		if (opMode != 4)
		{
			PageItem *currItem;
			QPainterPath path;
			FPointArray points;
			if (dia->targetColor == 0)
			{
				currItem = Item1;
				if (dia->swapped)
				{
					currItem = Item2;
					currItem->setXYPos(Item1->xPos(), Item1->yPos());
					currItem->setRotation(0.0);
				}
			}
			else
			{
				if (dia->swapped)
					currItem = Item1;
				else
				{
					currItem = Item2;
					currItem->setXYPos(Item1->xPos(), Item1->yPos());
					currItem->setRotation(0.0);
				}
			}
			path = dia->result;
			points.fromQPainterPath(path);
			
			//<<#9046
			FPointArray oldPOLine=currItem->PoLine;
//.........这里部分代码省略.........

bool ImportPdfPlugin::import(QString fileName, int flags)
{
	if (!checkFlags(flags))
		return false;
	if( fileName.isEmpty() )
	{
		flags |= lfInteractive;
		PrefsContext* prefs = PrefsManager::instance()->prefsFile->getPluginContext("importpdf");
		QString wdir = prefs->get("wdir", ".");
		CustomFDialog diaf(ScCore->primaryMainWindow(), wdir, QObject::tr("Open"), tr("All Supported Formats")+" (*.pdf *.PDF);;All Files (*)");
		if (diaf.exec())
		{
			fileName = diaf.selectedFile();
			prefs->set("wdir", fileName.left(fileName.lastIndexOf("/")));
		}
		else
			return true;
	}
	m_Doc=ScCore->primaryMainWindow()->doc;
	UndoTransaction* activeTransaction = NULL;
	bool emptyDoc = (m_Doc == NULL);
	bool hasCurrentPage = (m_Doc && m_Doc->currentPage());
	TransactionSettings trSettings;
	trSettings.targetName   = hasCurrentPage ? m_Doc->currentPage()->getUName() : "";
	trSettings.targetPixmap = Um::IImageFrame;
	trSettings.actionName   = Um::ImportXfig;
	trSettings.description  = fileName;
	trSettings.actionPixmap = Um::IXFIG;
	if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(false);
	if (UndoManager::undoEnabled())
		activeTransaction = new UndoTransaction(UndoManager::instance()->beginTransaction(trSettings));
	bool isCleanedFile = false;
	QString cleanFile = "";
	QFileInfo fi(fileName);
	QStringList exts = QStringList() << "eps" << "epsf" << "epsi" << "eps2" << "eps3" << "epi" << "ept" << "ps";
	if (exts.contains(fi.suffix().toLower()))
	{
		if (ScCore->haveGS())
		{
			// Destill the eps/ps with ghostscript to get a clean pdf file
			bool cancel = false;
			QString errFile = getShortPathName(ScPaths::getTempFileDir())+ "/ps.err";
			cleanFile = getShortPathName(ScPaths::getTempFileDir())+ "/clean.pdf";
			QStringList args;
			args.append( "-q" );
			args.append( "-dNOPAUSE" );
			args.append( "-sDEVICE=pdfwrite" );
			args.append( "-dBATCH" );
			args.append( "-dSAFER" );
			if (extensionIndicatesEPS(fi.suffix().toLower()))
				args.append("-dEPSCrop");
			args.append("-dCompatibilityLevel=1.4");
			args.append( QString("-sOutputFile=%1").arg(QDir::toNativeSeparators(cleanFile)) );
			args.append( QDir::toNativeSeparators(fileName) );
			System(getShortPathName(PrefsManager::instance()->ghostscriptExecutable()), args, errFile, errFile, &cancel);
			args.clear();
			isCleanedFile = true;
		}
		else
		{
			qApp->changeOverrideCursor(QCursor(Qt::ArrowCursor));
			QMessageBox::warning(ScCore->primaryMainWindow(), CommonStrings::trWarning, tr("The Import plugin cannot handle Postscript files"), 1, 0, 0);
			qApp->changeOverrideCursor(QCursor(Qt::WaitCursor));
			return false;
		}
	}
	PdfPlug *dia = new PdfPlug(m_Doc, flags);
	Q_CHECK_PTR(dia);
	if (isCleanedFile)
		dia->import(cleanFile, trSettings, flags);
	else
		dia->import(fileName, trSettings, flags);
	if (activeTransaction)
	{
		activeTransaction->commit();
		delete activeTransaction;
		activeTransaction = NULL;
	}
	if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
		UndoManager::instance()->setUndoEnabled(true);
	delete dia;
	if (isCleanedFile)
		QFile::remove(cleanFile);
	return true;
}