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root / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / LayoutUndoExtension.java @ 13967

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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program 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 this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig;
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import com.iver.andami.PluginServices;
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import com.iver.andami.plugins.Extension;
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import com.iver.cit.gvsig.exceptions.commands.EditionCommandException;
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import com.iver.cit.gvsig.project.documents.layout.gui.Layout;
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public class LayoutUndoExtension extends Extension{
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        public void initialize() {
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        }
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        public void execute(String actionCommand) {
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                Layout layout=(Layout)PluginServices.getMDIManager().getActiveWindow();
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                if (actionCommand.equals("UNDO")){
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                        try {
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                                layout.getLayoutContext().getEFS().undo();
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                        } catch (EditionCommandException e) {
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                                e.printStackTrace();
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                        }
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                        layout.getLayoutContext().updateFFrames();
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                        layout.getLayoutControl().refresh();
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                        layout.getModel().setModified(true);
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                }
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        }
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        public boolean isEnabled() {
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                if (PluginServices.getMDIManager().getActiveWindow() instanceof Layout){
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                        Layout layout=(Layout)PluginServices.getMDIManager().getActiveWindow();
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                        if (layout.getLayoutContext().getEFS().moreUndoCommands() && layout.getLayoutContext().isEditable())
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                                return true;
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                }
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                return false;
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        }
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        public boolean isVisible() {
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                if (PluginServices.getMDIManager().getActiveWindow() instanceof Layout){
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                        return true;
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                }
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                return false;
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        }
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}