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626 lines
15 KiB
626 lines
15 KiB
/* This file is part of the KDE project
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Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
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Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <klocale.h> //This is for undo descriptions
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#include <tqvaluelist.h>
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#include "formulacursor.h"
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#include "formulaelement.h"
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#include "indexelement.h"
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#include "kformulacommand.h"
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#include "matrixelement.h"
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#include "sequenceelement.h"
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#include "textelement.h"
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#include "tokenelement.h"
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KFORMULA_NAMESPACE_BEGIN
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int PlainCommand::evilDestructionCount = 0;
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PlainCommand::PlainCommand( const TQString& name )
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: KNamedCommand(name)
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{
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evilDestructionCount++;
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}
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PlainCommand::~PlainCommand()
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{
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evilDestructionCount--;
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}
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Command::Command(const TQString &name, Container* document)
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: PlainCommand(name), cursordata(0), undocursor(0), doc(document)
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{
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}
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Command::~Command()
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{
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delete undocursor;
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delete cursordata;
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}
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FormulaCursor* Command::getExecuteCursor()
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{
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FormulaCursor* cursor = getActiveCursor();
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if (cursordata == 0) {
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setExecuteCursor(getActiveCursor());
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}
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else {
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cursor->setCursorData(cursordata);
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}
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return cursor;
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}
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void Command::setExecuteCursor(FormulaCursor* cursor)
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{
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// assert(cursordata == 0);
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cursordata = cursor->getCursorData();
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}
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FormulaCursor* Command::getUnexecuteCursor()
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{
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FormulaCursor* cursor = getActiveCursor();
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cursor->setCursorData(undocursor);
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destroyUndoCursor();
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return cursor;
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}
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void Command::setUnexecuteCursor(FormulaCursor* cursor)
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{
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// assert(undocursor == 0);
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undocursor = cursor->getCursorData();
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}
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// ****** Generic Add command
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KFCAdd::KFCAdd(const TQString &name, Container *document)
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: Command(name, document)
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{
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addList.setAutoDelete( true );
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}
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void KFCAdd::execute()
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{
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FormulaCursor* cursor = getExecuteCursor();
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cursor->insert(addList, beforeCursor);
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setUnexecuteCursor(cursor);
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cursor->setSelection(false);
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testDirty();
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}
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void KFCAdd::unexecute()
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{
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FormulaCursor* cursor = getUnexecuteCursor();
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cursor->remove(addList, beforeCursor);
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//cursor->setSelection(false);
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cursor->normalize();
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testDirty();
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}
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// ****** Remove selection command
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KFCRemoveSelection::KFCRemoveSelection(Container *document,
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Direction direction)
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: Command(i18n("Remove Selected Text"), document),
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dir(direction)
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{
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removedList.setAutoDelete( true );
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}
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void KFCRemoveSelection::execute()
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{
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FormulaCursor* cursor = getExecuteCursor();
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cursor->remove(removedList, dir);
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setUnexecuteCursor(cursor);
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testDirty();
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}
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void KFCRemoveSelection::unexecute()
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{
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FormulaCursor* cursor = getUnexecuteCursor();
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cursor->insert(removedList);
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cursor->setSelection(false);
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testDirty();
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}
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KFCReplace::KFCReplace(const TQString &name, Container* document)
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: KFCAdd(name, document), removeSelection(0)
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{
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}
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KFCReplace::~KFCReplace()
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{
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delete removeSelection;
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}
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void KFCReplace::execute()
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{
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if (getActiveCursor()->isSelection() && (removeSelection == 0)) {
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removeSelection = new KFCRemoveSelection(getDocument());
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}
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if (removeSelection != 0) {
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removeSelection->execute();
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}
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KFCAdd::execute();
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}
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void KFCReplace::unexecute()
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{
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KFCAdd::unexecute();
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if (removeSelection != 0) {
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removeSelection->unexecute();
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}
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}
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// ****** Token Add command
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KFCAddToken::KFCAddToken(const TQString &name, Container *document)
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: Command(name, document)
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{
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}
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KFCAddToken::~KFCAddToken()
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{
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TQPtrDictIterator< TQPtrList< BasicElement > > it( contentList );
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TQPtrList< BasicElement >* list;
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while ( ( list = it.current() ) != 0 ) {
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delete list;
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++it;
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}
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}
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void KFCAddToken::execute()
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{
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kdDebug( DEBUGID ) << k_funcinfo << endl;
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FormulaCursor* cursor = getExecuteCursor();
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TQPtrList<BasicElement> tokenListTmp = tokenList;
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cursor->insert( tokenList, beforeCursor );
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tokenList = tokenListTmp;
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TQPtrListIterator< BasicElement > it( tokenList );
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BasicElement* element;
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BasicElement* current = cursor->getElement();
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while ( (element = it.current()) != 0 ) {
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element->goInside( cursor );
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cursor->insert( *contentList.find( element ), beforeCursor );
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++it;
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}
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setUnexecuteCursor( cursor );
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cursor->setSelection(false);
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testDirty();
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}
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void KFCAddToken::unexecute()
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{
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kdDebug( DEBUGID ) << k_funcinfo << endl;
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FormulaCursor* cursor = getUnexecuteCursor();
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SequenceElement* tqparent = static_cast<SequenceElement*>(cursor->getElement()->getParent());
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for ( int i = 0; i < tokenList.count(); i++ ) {
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SequenceElement* current = static_cast<SequenceElement*>(cursor->getElement());
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TQPtrList< BasicElement > list;
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for ( uint i = 0; i < current->countChildren(); ++i ) {
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cursor->remove( list, beforeCursor );
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}
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if ( tqparent ) {
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int pos = tqparent->childPos( current );
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cursor->setTo( tqparent, pos + 1);
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cursor->remove( list, beforeCursor );
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if ( pos > 0 ) {
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BasicElement* element = tqparent->getChild( pos - 1 );
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if (element)
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element->moveEnd( cursor );
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}
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}
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}
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testDirty();
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}
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/**
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* Collect all tokens that are to be added
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*/
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void KFCAddToken::addToken( BasicElement* element )
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{
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tokenList.append( element );
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contentList.insert( element, new TQPtrList< BasicElement > );
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contentList.find( element )->setAutoDelete( true );
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}
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KFCReplaceToken::KFCReplaceToken(const TQString &name, Container* document)
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: KFCAddToken(name, document), removeSelection(0)
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{
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}
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KFCReplaceToken::~KFCReplaceToken()
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{
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delete removeSelection;
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}
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void KFCReplaceToken::execute()
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{
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kdDebug( DEBUGID ) << k_funcinfo << endl;
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if (getActiveCursor()->isSelection() && (removeSelection == 0)) {
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removeSelection = new KFCRemoveSelection(getDocument());
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}
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if (removeSelection != 0) {
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removeSelection->execute();
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}
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KFCAddToken::execute();
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}
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void KFCReplaceToken::unexecute()
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{
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kdDebug( DEBUGID ) << k_funcinfo << endl;
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KFCAddToken::unexecute();
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if (removeSelection != 0) {
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removeSelection->unexecute();
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}
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}
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KFCSplitToken::KFCSplitToken(const TQString &name, Container* document)
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: KFCAddToken(name, document), removeSelection(0)
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{
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splitList.setAutoDelete( true );
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}
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KFCSplitToken::~KFCSplitToken()
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{
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delete splitCursor;
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delete removeSelection;
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}
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void KFCSplitToken::execute()
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{
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FormulaCursor* cursor = getExecuteCursor();
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if (getActiveCursor()->isSelection() && (removeSelection == 0)) {
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removeSelection = new KFCRemoveSelection(getDocument());
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}
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if (removeSelection != 0) {
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removeSelection->execute();
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}
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splitCursor = cursor->getCursorData();
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SequenceElement* tqparent = static_cast<SequenceElement*>( cursor->getElement() );
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if ( tqparent ) {
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cursor->setMark( tqparent->countChildren() );
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cursor->setSelection( true );
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}
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cursor->remove( splitList, afterCursor );
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TokenElement *token = new TokenElement();// TODO
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addToken( token );
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TQPtrListIterator< BasicElement > it ( splitList );
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BasicElement* element;
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while ( ( element = it.current() ) != 0 ) {
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addContent( token, element );
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++it;
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}
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KFCAddToken::execute();
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cursor = getExecuteCursor();
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if ( tqparent ) {
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BasicElement* child = tqparent->getChild( cursor->getPos() );
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if ( child ) {
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child->moveEnd( cursor );
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}
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}
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}
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void KFCSplitToken::unexecute()
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{
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kdDebug( DEBUGID ) << k_funcinfo << endl;
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KFCAddToken::unexecute();
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FormulaCursor *cursor = getUnexecuteCursor();
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cursor->setCursorData( splitCursor );
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cursor->insert( splitList, afterCursor );
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if (removeSelection != 0) {
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removeSelection->unexecute();
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}
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testDirty();
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}
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KFCRemove::KFCRemove(Container *document,
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Direction direction)
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: Command(i18n("Remove Selected Text"), document),
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element(0), simpleRemoveCursor(0), dir(direction)
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{
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removedList.setAutoDelete( true );
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}
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KFCRemove::~KFCRemove()
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{
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delete simpleRemoveCursor;
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delete element;
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}
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void KFCRemove::execute()
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{
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FormulaCursor* cursor = getExecuteCursor();
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cursor->remove(removedList, dir);
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if (cursor->elementIsSenseless()) {
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simpleRemoveCursor = cursor->getCursorData();
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element = cursor->replaceByMainChildContent();
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}
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setUnexecuteCursor(cursor);
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cursor->normalize( dir );
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testDirty();
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}
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void KFCRemove::unexecute()
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{
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FormulaCursor* cursor = getUnexecuteCursor();
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if (element != 0) {
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cursor->replaceSelectionWith(element);
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element = 0;
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cursor->setCursorData(simpleRemoveCursor);
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delete simpleRemoveCursor;
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simpleRemoveCursor = 0;
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}
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cursor->insert(removedList, dir);
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cursor->setSelection(false);
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testDirty();
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}
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KFCRemoveEnclosing::KFCRemoveEnclosing(Container* document,
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Direction dir)
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: Command(i18n("Remove Enclosing Element"), document),
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element(0), direction(dir)
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{
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}
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KFCRemoveEnclosing::~KFCRemoveEnclosing()
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{
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delete element;
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}
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void KFCRemoveEnclosing::execute()
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{
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FormulaCursor* cursor = getExecuteCursor();
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element = cursor->removeEnclosingElement(direction);
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setUnexecuteCursor(cursor);
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//cursor->normalize();
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cursor->setSelection(false);
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testDirty();
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}
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void KFCRemoveEnclosing::unexecute()
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{
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FormulaCursor* cursor = getUnexecuteCursor();
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if ( element ) {
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cursor->replaceSelectionWith(element);
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}
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cursor->normalize();
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cursor->setSelection(false);
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element = 0;
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testDirty();
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}
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// ****** Add root, bracket etc command
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KFCAddReplacing::KFCAddReplacing(const TQString &name, Container* document)
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: Command(name, document), element(0)
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{
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}
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KFCAddReplacing::~KFCAddReplacing()
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{
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delete element;
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}
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void KFCAddReplacing::execute()
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{
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FormulaCursor* cursor = getExecuteCursor();
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cursor->replaceSelectionWith(element);
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setUnexecuteCursor(cursor);
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cursor->goInsideElement(element);
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element = 0;
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testDirty();
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}
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void KFCAddReplacing::unexecute()
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{
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FormulaCursor* cursor = getUnexecuteCursor();
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element = cursor->replaceByMainChildContent();
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cursor->normalize();
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testDirty();
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}
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// ****** Add index command
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KFCAddGenericIndex::KFCAddGenericIndex(Container* document, ElementIndexPtr _index)
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: KFCAdd(i18n("Add Index"), document), index(_index)
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{
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addElement(new SequenceElement());
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}
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void KFCAddGenericIndex::execute()
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{
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index->setToIndex(getActiveCursor());
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KFCAdd::execute();
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}
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KFCAddIndex::KFCAddIndex(Container* document,
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IndexElement* element, ElementIndexPtr index)
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: KFCAddReplacing(i18n("Add Index"), document),
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addIndex(document, index)
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{
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setElement(element);
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}
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KFCAddIndex::~KFCAddIndex()
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{
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}
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void KFCAddIndex::execute()
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{
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KFCAddReplacing::execute();
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addIndex.execute();
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}
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void KFCAddIndex::unexecute()
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{
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addIndex.unexecute();
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KFCAddReplacing::unexecute();
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}
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KFCChangeBaseSize::KFCChangeBaseSize( const TQString& name, Container* document,
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FormulaElement* formula, int size )
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: PlainCommand( name ), m_document( document ), m_formula( formula ), m_size( size )
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{
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m_oldSize = formula->getBaseSize();
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}
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void KFCChangeBaseSize::execute()
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{
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m_formula->setBaseSize( m_size );
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m_document->recalc();
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}
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void KFCChangeBaseSize::unexecute()
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{
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m_formula->setBaseSize( m_oldSize );
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m_document->recalc();
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}
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FontCommand::FontCommand( const TQString& name, Container* document )
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: Command( name, document )
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{
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list.setAutoDelete( false );
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elementList.setAutoDelete( false );
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}
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void FontCommand::collectChildren()
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{
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list.clear();
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uint count = elementList.count();
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for ( uint i=0; i<count; ++i ) {
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elementList.at( i )->dispatchFontCommand( this );
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}
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}
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void FontCommand::parseSequences( const TQMap<SequenceElement*, int>& parents )
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{
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TQValueList<SequenceElement*> sequences = parents.keys();
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for ( TQValueList<SequenceElement*>::iterator i = sequences.begin();
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i != sequences.end();
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++i ) {
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( *i )->parse();
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}
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}
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CharStyleCommand::CharStyleCommand( CharStyle cs, const TQString& name, Container* document )
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: FontCommand( name, document ), charStyle( cs )
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{
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}
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void CharStyleCommand::execute()
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{
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collectChildren();
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TQMap<SequenceElement*, int> parentCollector;
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styleList.clear();
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uint count = tqchildrenList().count();
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styleList.reserve( count );
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for ( uint i=0; i<count; ++i ) {
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TextElement* child = tqchildrenList().at( i );
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styleList[i] = child->getCharStyle();
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child->setCharStyle( charStyle );
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parentCollector[static_cast<SequenceElement*>( child->getParent() )] = 1;
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}
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parseSequences( parentCollector );
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testDirty();
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}
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void CharStyleCommand::unexecute()
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{
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TQMap<SequenceElement*, int> parentCollector;
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uint count = tqchildrenList().count();
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//styleList.reserve( count );
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for ( uint i=0; i<count; ++i ) {
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TextElement* child = tqchildrenList().at( i );
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child->setCharStyle( styleList[i] );
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parentCollector[static_cast<SequenceElement*>( child->getParent() )] = 1;
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}
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parseSequences( parentCollector );
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testDirty();
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}
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CharFamilyCommand::CharFamilyCommand( CharFamily cf, const TQString& name, Container* document )
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: FontCommand( name, document ), charFamily( cf )
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{
|
|
}
|
|
|
|
void CharFamilyCommand::execute()
|
|
{
|
|
collectChildren();
|
|
|
|
TQMap<SequenceElement*, int> parentCollector;
|
|
|
|
familyList.clear();
|
|
uint count = tqchildrenList().count();
|
|
familyList.reserve( count );
|
|
for ( uint i=0; i<count; ++i ) {
|
|
TextElement* child = tqchildrenList().at( i );
|
|
familyList[i] = child->getCharFamily();
|
|
child->setCharFamily( charFamily );
|
|
parentCollector[static_cast<SequenceElement*>( child->getParent() )] = 1;
|
|
}
|
|
parseSequences( parentCollector );
|
|
testDirty();
|
|
}
|
|
|
|
void CharFamilyCommand::unexecute()
|
|
{
|
|
TQMap<SequenceElement*, int> parentCollector;
|
|
uint count = tqchildrenList().count();
|
|
//familyList.reserve( count );
|
|
for ( uint i=0; i<count; ++i ) {
|
|
TextElement* child = tqchildrenList().at( i );
|
|
child->setCharFamily( familyList[i] );
|
|
parentCollector[static_cast<SequenceElement*>( child->getParent() )] = 1;
|
|
}
|
|
parseSequences( parentCollector );
|
|
testDirty();
|
|
}
|
|
|
|
|
|
KFORMULA_NAMESPACE_END
|