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Viewing changes to src/dg/updatetypecmd.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/updatetypecmd.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 "updatetypecmd.h"
 
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#include "shapeview.h"
 
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#include "diagram.h"
 
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UpdateTypeCmd::UpdateTypeCmd(ShapeView *v, List<int *> *l, int n): 
 
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                Command(v->GetViewer()->GetDiagram(), v->GetViewer()) {
 
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        view = v;
 
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        toType = n;
 
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        fromTypes = *l;
 
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        diagram = v->GetViewer()->GetDiagram();
 
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        oldThings = new List<Thing *>;
 
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        newThings = new List<Thing *>;
 
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}
 
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UpdateTypeCmd::~UpdateTypeCmd() {
 
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        if (CmdDone())
 
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                oldThings->clear();
 
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        else
 
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                newThings->clear();
 
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        delete newThings;
 
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        delete oldThings;
 
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}
 
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void UpdateTypeCmd::TransformAll() {
 
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        for (oldThings->first(); !oldThings->done(); oldThings->next()) {
 
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                Thing *oldThing = oldThings->cur();
 
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                Thing *newThing = Transform(oldThing);
 
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                if (newThing)
 
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                        newThings->add(newThing);
 
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        }
 
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}
 
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void UpdateTypeCmd::Execute() {
 
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        if (oldThings->count() == 0) {
 
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                GetMainWindow()->SetStatus(
 
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                        "aborted: nothing has to be changed");
 
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                Abort();
 
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                return;
 
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        }
 
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        if (oldThings->count() != newThings->count()) {
 
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                Abort();
 
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                return;
 
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        }
 
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        for (unsigned i=0; i<oldThings->count(); i++) {
 
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                Thing *oldThing = (*oldThings)[i];
 
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                Thing *newThing = (*newThings)[i];
 
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                Reverse(oldThing, newThing);
 
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        }
 
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        Command::Execute();
 
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}
 
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void UpdateTypeCmd::UnExecute() {
 
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        for (unsigned i=0; i<oldThings->count(); i++) {
 
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                Thing *oldThing = (*oldThings)[i];
 
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                Thing *newThing = (*newThings)[i];
 
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                Reverse(newThing, oldThing);
 
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        }
 
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        Command::UnExecute();
 
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}