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/* This file is doc of the KDE project
Copyright (C) 2001, The Karbon Developers
Copyright (C) 2002, The Karbon Developers
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <klocale.h>
#include "vdeletenodescmd.h"
#include "vselection.h"
#include "vsegment.h"
#include "vpath.h"
#include "vdocument.h"
VDeleteNodeCmd::VDeleteNodeCmd( VDocument *doc )
: VCommand( doc, i18n( "Delete Node" ) )
{
}
VDeleteNodeCmd::~VDeleteNodeCmd()
{
}
void
VDeleteNodeCmd::visitVSubpath( VSubpath& path )
{
VSegment* segment = path.first();
path.next(); // skip begin segment
while( segment )
{
if( segment->state() != VSegment::deleted && segment->knotIsSelected() )
{
segment->setState( VSegment::deleted );
m_segments.append( segment );
}
segment = segment->next();
}
if( m_segments.count() > 0 )
path.invalidateBoundingBox();
}
void
VDeleteNodeCmd::execute()
{
VObjectListIterator itr( document()->selection()->objects() );
for( ; itr.current() ; ++itr )
visit( *itr.current() );
setSuccess( m_segments.count() > 0 );
}
void
VDeleteNodeCmd::unexecute()
{
QPtrListIterator<VSegment> itr( m_segments );
for( ; itr.current() ; ++itr )
itr.current()->setState( VSegment::normal );
setSuccess( false );
}
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