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Viewing changes to src/dg/updatecolorcmd.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/updatecolorcmd.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 1997, 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 "nodeshape.h"
 
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#include "diagramviewer.h"
 
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#include "diagram.h"
 
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#include "updatecolorcmd.h"
 
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UpdateColorCmd::UpdateColorCmd(ShapeView *v, const string *c, 
 
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                UpdateColorCmd::Type t): 
 
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                        Command(v->GetViewer()->GetDiagram(), v->GetViewer()) {
 
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        view = v;
 
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        color = *c;
 
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        type = t;
 
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        shapes = new List<GShape *>;
 
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        oldColors = new List<string *>;
 
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        List<GShape *> *selection = view->GetSelection();
 
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        for (selection->first(); !selection->done(); selection->next()) {
 
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                GShape *shape = selection->cur();
 
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                if (type == FILL && ! shape->IsNodeShape())
 
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                        continue;       // edges have no filling.
 
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                const string *scolor;
 
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                if (type == LINE)
 
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                        scolor = shape->GetColor();
 
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                else if (type == TEXT)
 
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                        scolor = shape->GetTextColor();
 
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                else // FILL
 
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                        scolor = ((NodeShape *)shape)->GetFillColor();
 
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                if (*scolor != color) {
 
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                        string *nc = new string(*scolor);
 
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                        shapes->add(shape);
 
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                        oldColors->add(nc);
 
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                }
 
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        }
 
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}
 
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UpdateColorCmd::~UpdateColorCmd() {
 
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        oldColors->clear();
 
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        delete shapes;
 
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        delete oldColors;
 
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}
 
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void UpdateColorCmd::Execute() {
 
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        if (!shapes->first()) {
 
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                GetMainWindow()->SetStatus(
 
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                        "aborted: no shapes need to be updated");
 
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                Abort();
 
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                return;
 
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        }
 
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        for (shapes->first(); !shapes->done(); shapes->next()) {
 
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                GShape *shape = shapes->cur();
 
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                if (type == LINE)
 
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                        shape->UpdateColor(&color);
 
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                else if (type == TEXT)
 
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                        shape->UpdateTextColor(&color);
 
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                else if (shape->IsNodeShape())
 
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                        ((NodeShape *)shape)->UpdateFillColor(&color);
 
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        }
 
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        Command::Execute();
 
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}
 
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void UpdateColorCmd::UnExecute() {
 
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        for (unsigned i=0; i<shapes->count(); i++) {
 
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                string *s = (*oldColors)[i];
 
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                GShape *shape = (*shapes)[i];
 
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                if (type == LINE)
 
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                        shape->UpdateColor(s);
 
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                else if (type == TEXT)
 
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                        shape->UpdateTextColor(s);
 
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                else if (shape->IsNodeShape())
 
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                        ((NodeShape *)shape)->UpdateFillColor(s);
 
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        }
 
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        Command::UnExecute();
 
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}