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Viewing changes to src/dg/cutshapescmd.c

  • Committer: Bazaar Package Importer
  • Author(s): Otavio Salvador
  • Date: 2003-07-03 20:08:21 UTC
  • Revision ID: james.westby@ubuntu.com-20030703200821-se4xtqx25e5miczi
Tags: upstream-2.20
Import upstream version 2.20

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src/dg/cutshapescmd.c
 
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////////////////////////////////////////////////////////////////////////////////
 
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//
 
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// This file is part of Toolkit for Conceptual Modeling (TCM).
 
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// (c) copyright 1995, Vrije Universiteit Amsterdam.
 
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// Author: Frank Dehne (frank@cs.vu.nl).
 
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//
 
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// TCM is free software; you can redistribute it and/or modify
 
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// it under the terms of the GNU General Public License as published by
 
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// the Free Software Foundation; either version 2 of the License, or
 
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// (at your option) any later version.
 
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//
 
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// TCM 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
 
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// GNU General Public License for more details.
 
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//
 
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// You should have received a copy of the GNU General Public License
 
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// along with TCM; if not, write to the Free Software
 
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 
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// 02111-1307, USA.
 
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////////////////////////////////////////////////////////////////////////////////
 
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#include "subject.h"
 
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#include "gshape.h"
 
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#include "shapeview.h"
 
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#include "diagram.h"
 
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#include "diagramviewer.h"
 
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#include "cutshapescmd.h"
 
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CutShapesCmd::CutShapesCmd(ShapeView *v): CopyShapesCmd(v) {
 
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        // add the lines connected to the shapes.
 
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        List<GShape *> *sel = v->GetSelection();
 
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        v->CompleteShapes(sel);
 
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        // subjects to cut (remove from graph).
 
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        cutSubjects = new List<Subject *>;
 
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        // subjects only to update (delete dupl. mark). 
 
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        updateSubjects = new List<Subject *>;
 
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        // shapes to remove.
 
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        cutShapes = new List<GShape *>;
 
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        List<GShape *> tmpShapes;
 
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        List<GShape *> selCopy(*sel);
 
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        for (sel->first(); !sel->done(); sel->next()) {
 
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                GShape *shape = sel->cur();
 
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                Subject *subject = shape->GetSubject();
 
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                check(subject);
 
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                cutShapes->add(shape);
 
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                if (shape->IsDuplicate()) {
 
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                        // look whether all duplicates are selected.
 
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                        // if so, subject should be cut too.
 
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                        v->GetViewer()->GetShapes(subject, &tmpShapes);
 
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                        if (check(tmpShapes.count() >= 2)) {
 
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                                bool rmSubject = True;
 
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                                for (tmpShapes.first(); !tmpShapes.done(); 
 
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                                                tmpShapes.next()) {
 
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                                        GShape *s = tmpShapes.cur();
 
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                                        if (selCopy.find(s) == -1)
 
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                                                rmSubject = False;
 
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                                }
 
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                                if (rmSubject) {
 
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                                        if (cutSubjects->find(subject) == -1)
 
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                                                cutSubjects->add(subject);
 
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                                }
 
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                                else {
 
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                                        if (updateSubjects->find(subject) == -1)
 
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                                                updateSubjects->add(subject);
 
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                                }
 
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                        }
 
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                }
 
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                else if (cutSubjects->find(subject) == -1)
 
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                        cutSubjects->add(subject);
 
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        }
 
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}
 
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void CutShapesCmd::Execute() {
 
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        GetView()->RemoveShapes(cutShapes);
 
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        GetDiagram()->RemoveSubjects(cutSubjects);
 
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        GetView()->GetViewer()->UpdateDuplicationMarks(updateSubjects);
 
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        GetDiagram()->IncChanges();
 
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        CopyShapesCmd::Execute();
 
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}
 
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void CutShapesCmd::UnExecute() {
 
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        GetView()->AddShapes(cutShapes);
 
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        GetDiagram()->AddSubjects(cutSubjects);
 
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        GetView()->GetViewer()->UpdateDuplicationMarks(updateSubjects);
 
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        GetDiagram()->DecChanges();
 
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        CopyShapesCmd::UnExecute();
 
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}
 
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CutShapesCmd::~CutShapesCmd(){
 
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        if (CmdDone()) {
 
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                cutSubjects->clear();
 
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                cutShapes->clear();
 
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                updateSubjects->empty();
 
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        }
 
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        delete cutSubjects;
 
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        delete cutShapes;
 
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        delete updateSubjects;
 
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}