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Viewing changes to src/dg/updatenodeshapetypecmd.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/updatenodeshapetypecmd.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 1999, 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 "updatenodeshapetypecmd.h"
 
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#include "diagramviewer.h"
 
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#include "diagram.h"
 
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#include "shapeview.h"
 
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#include "line.h"
 
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#include "nodeshape.h"
 
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UpdateNodeShapeTypeCmd::UpdateNodeShapeTypeCmd(ShapeView *v, 
 
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                List<int *> *l, int n): UpdateTypeCmd(v, l, n) {
 
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        List<GShape *> *selection = v->GetSelection();
 
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        for (selection->first(); !selection->done(); selection->next()) {
 
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                GShape *shape = selection->cur();
 
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                int type = shape->GetClassType();
 
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                if (n != type) {
 
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                        for (l->first(); !l->done(); l->next()) {
 
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                                if (*l->cur() == type) {
 
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                                        oldThings->add(shape);
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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}
 
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void UpdateNodeShapeTypeCmd::Reverse(Thing *oldThing, Thing *newThing) {
 
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        GShape *oldShape = (GShape *)oldThing;
 
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        GShape *newShape = (GShape *)newThing;
 
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        UpdateLines(oldShape, newShape);
 
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        view->AddShape(newShape);
 
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        view->RemoveShape(oldShape);
 
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        newShape->AdjustSize();
 
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        view->GetViewer()->ShapePositionUpdate(newShape);
 
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}
 
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void UpdateNodeShapeTypeCmd::UpdateLines(GShape *oldshape, GShape *newshape) {
 
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        List<GShape *> *shapes = view->GetShapes();
 
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        for (shapes->first(); !shapes->done(); shapes->next()) {
 
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                GShape *shape = shapes->cur();
 
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                if (shape->IsLine()) {
 
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                        Line *line = (Line *)shape;
 
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                        if (line->GetFromShape() == oldshape)
 
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                                line->SetFromShape(newshape);
 
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                        if (line->GetToShape() == oldshape)
 
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                                line->SetToShape(newshape);
 
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                }
 
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        }
 
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}