File indexing completed on 2024-12-08 04:00:43

 /***************************************************************************
                           kimecommands.cpp  -  description
                              -------------------
     begin                : Fri May 25 2001
     copyright            : (C) 2001 by Jan Schäfer
     email                : j_schaef@informatik.uni-kl.de
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 #include "kimecommands.h"
 
 #include <QString>
 #include "kimagemapeditor_debug.h"
 #include <KLocalizedString>
 
 #include "drawzone.h"
 
 CutCommand::CutCommand(KImageMapEditor * document, const AreaSelection & a)
   : QUndoCommand(i18n( "Cut %1", a.typeString() ))
 {
     _document=document;
     _cutAreaSelection=new AreaSelection();
     _cutAreaSelection->setAreaList( a.getAreaList() );
     _cutted=true;
 }
 
 
 CutCommand::~CutCommand()
 {
     if (_cutted)
     {
         AreaListIterator it(_cutAreaSelection->getAreaList());
     while (it.hasNext()) {
       delete it.next();
     }
     }
 
     delete _cutAreaSelection;
 }
 
 void CutCommand::redo()
 {
     // The Area won't be really delete
     // it only gets removed from the AreaList
     _document->deleteArea(_cutAreaSelection );
   _document->updateActionAccess();
     _cutted=true;
 }
 
 void CutCommand::undo()
 {
     if (_document) {
         _document->addArea( _cutAreaSelection );
         _document->select( _cutAreaSelection );
         _document->slotAreaChanged( _cutAreaSelection );
         _cutted=false;
     }
 }
 
 DeleteCommand::DeleteCommand(KImageMapEditor * document, const AreaSelection & a)
     : CutCommand(document,a)
 {
     setText(i18n( "Delete %1", a.typeString() ));
 }
 
 PasteCommand::PasteCommand(KImageMapEditor *document, const AreaSelection & a)
     : QUndoCommand(i18n( "Paste %1", a.typeString() ))
 {
     _document=document;
     _pasteAreaSelection=new AreaSelection();
     _pasteAreaSelection->setAreaList( a.getAreaList() );
     _pasted=true;
     _wasUndoed=false;
 }
 
 PasteCommand::~PasteCommand ()
 {
     if ( ! _pasted ) {
         AreaListIterator it(_pasteAreaSelection->getAreaList());
     while (it.hasNext()) {
         delete it.next();
     }
     }
 
     delete _pasteAreaSelection;
 }
 
 void PasteCommand::redo()
 {
     _document->deselectAll();
     _document->addArea( _pasteAreaSelection );
     _document->select( _pasteAreaSelection );
     _document->slotAreaChanged( _pasteAreaSelection );
     _pasted=true;
 }
 
 void PasteCommand::undo()
 {
     _document->deleteArea(_pasteAreaSelection );
     _pasted=false;
     _wasUndoed=true;
 }
 
 
 MoveCommand::MoveCommand (KImageMapEditor *document, AreaSelection * a, const QPoint & oldPoint)
     : QUndoCommand(i18n( "Move %1", a->typeString() ))
 {
     _document=document;
     _areaSelection=new AreaSelection();
     _areaSelection->setAreaList( a->getAreaList() );
     _oldPoint.setX(oldPoint.x());
     _oldPoint.setY(oldPoint.y());
 
     _newPoint.setX(a->rect().left());
     _newPoint.setY(a->rect().top());
 }
 
 MoveCommand::~MoveCommand () {
     delete _areaSelection;
 }
 
 void MoveCommand::redo()
 {
     // only for repainting reasons
     Area* tempArea = _areaSelection->clone();
 
     _areaSelection->moveTo( _newPoint.x(), _newPoint.y() );
 
   if (!_areaSelection->allAreasWithin(_document->getDrawZone()->getImageRect()))
     _areaSelection->moveTo( _oldPoint.x(), _oldPoint.y() );
 
   _document->selected()->invalidate();
 
 
     _document->slotAreaChanged( tempArea );
     _document->slotAreaChanged( _areaSelection );
 
     delete tempArea;
 
 }
 
 void MoveCommand::undo()
 {
   // only to erase the old Area
   Area* tempArea = _areaSelection->clone();
 
   _areaSelection->setMoving(true);
     _areaSelection->moveTo( _oldPoint.x(), _oldPoint.y() );
   _areaSelection->setMoving(false);
 
   _document->selected()->invalidate();
 
     _document->slotAreaChanged( tempArea );
     _document->slotAreaChanged( _areaSelection );
 
     delete tempArea;
 
 }
 
 
 ResizeCommand::ResizeCommand (KImageMapEditor *document, AreaSelection *a, Area *oldArea)
     :QUndoCommand(i18n( "Resize %1", a->typeString() ))
 {
     _areaSelection=new AreaSelection();
     _areaSelection->setAreaList( a->getAreaList() );
 
     _newArea = a->clone();
     _oldArea = oldArea->clone();
     _document=document;
 }
 
 ResizeCommand::~ResizeCommand ()
 {
     delete _newArea;
     delete _oldArea;
     delete _areaSelection;
 }
 
 void ResizeCommand::redo()
 {
   _areaSelection->setArea ( *_newArea);
   _areaSelection->setMoving(false);
 
     _document->slotAreaChanged( _areaSelection );
     _document->slotAreaChanged( _oldArea );
 
 
 }
 
 void ResizeCommand::undo()
 {
   _areaSelection->setArea ( *_oldArea);
   _areaSelection->setMoving(false);
 
     _document->slotAreaChanged( _areaSelection );
     _document->slotAreaChanged( _newArea );
 
 }
 
 
 
 AddPointCommand::AddPointCommand (KImageMapEditor *document, AreaSelection *a, const QPoint & p)
     :QUndoCommand(i18n( "Add point to %1", a->typeString() ))
 {
   if (a->type()!=Area::Polygon)
   {
      qCDebug(KIMAGEMAPEDITOR_LOG) << "trying to add a point to a " << a->typeString();
      return;
   }
 
     _areaSelection=new AreaSelection();
     _areaSelection->setAreaList( a->getAreaList() );
 
     _point = p;
     _document=document;
 }
 
 AddPointCommand::~AddPointCommand ()
 {
     delete _areaSelection;
 }
 
 void AddPointCommand::redo()
 {
   _coordpos = _areaSelection->addCoord(_point);
   _areaSelection->setMoving(false);
 
     _document->slotAreaChanged( _areaSelection );
 }
 
 void AddPointCommand::undo()
 {
 //  QRect *selectionPoint = _areaSelection->onSelectionPoint(_point);
   Area* repaintArea = _areaSelection->clone();
 
   _areaSelection->removeCoord(_coordpos);
   _areaSelection->setMoving(false);
 
     _document->slotAreaChanged( _areaSelection );
     _document->slotAreaChanged( repaintArea );
 
   delete repaintArea;
 }
 
 RemovePointCommand::RemovePointCommand(KImageMapEditor *document, 
        AreaSelection *a, Area *oldArea)
   : QUndoCommand(i18n( "Remove point from %1", a->typeString() ))
 {
   if (a->type()!=Area::Polygon)
   {
      qCDebug(KIMAGEMAPEDITOR_LOG) << "trying to remove a point to a " << a->typeString();
      return;
   }
 
     _areaSelection=new AreaSelection();
     _areaSelection->setAreaList( a->getAreaList() );
 
     _newArea = a->clone();
     _oldArea = oldArea->clone();
     _document=document;
 }
 
 RemovePointCommand::~RemovePointCommand ()
 {
     delete _newArea;
     delete _oldArea;
     delete _areaSelection;
 }
 
 void RemovePointCommand::redo()
 {
   _areaSelection->setArea ( *_newArea);
   _areaSelection->setMoving(false);
 
     _document->slotAreaChanged( _areaSelection );
     _document->slotAreaChanged( _oldArea );
 
 
 }
 
 void RemovePointCommand::undo()
 {
   _areaSelection->setArea ( *_oldArea);
   _areaSelection->setMoving(false);
 
     _document->slotAreaChanged( _areaSelection );
     _document->slotAreaChanged( _newArea );
 
 }
 
 
 
 CreateCommand::CreateCommand (KImageMapEditor *document, Area *area)
     : QUndoCommand(i18n( "Create %1", area->typeString() ))
 {
     _document=document;
     _area=area;
     _created=true;
     _wasUndoed=false;
 
 }
 
 CreateCommand::~CreateCommand ()
 {
     if ( ! _created)
         delete _area;
 }
 
 void CreateCommand::redo()
 {
     if (_document) {
 
         if ( _wasUndoed ) {
             _document->addArea( _area );
             _document->deselectAll();
             _document->select( _area );
             _document->slotAreaChanged( _area );
         }
         else
             _document->addAreaAndEdit( _area );
 
         _created=true;
     }
 
 }
 
 void CreateCommand::undo()
 {
     if (_document) {
         _document->deleteArea( _area );
         _created=false;
         _wasUndoed=true;
     }
 
 }