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ChangeAtomSymbolAction.java

/*
 *  $RCSfile$
 *  $Author: egonw $
 *  $Date: 2007-05-01 22:13:10 +0200 (Tue, 01 May 2007) $
 *  $Revision: 8295 $
 *
 *  Copyright (C) 2003-2007  The JChemPaint project
 *
 *  Contact: jchempaint-devel@lists.sourceforge.net
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  of the License, or (at your option) any later version.
 *  All we ask is that proper credit is given for our work, which includes
 *  - but is not limited to - adding the above copyright notice to the beginning
 *  of your source code files, and to any copyright notice that you may distribute
 *  with programs based on this work.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.applications.jchempaint.action;

import java.awt.event.ActionEvent;

import javax.swing.undo.UndoableEdit;

import org.openscience.cdk.applications.jchempaint.JChemPaintModel;
import org.openscience.cdk.applications.undoredo.ChangeAtomSymbolEdit;
import org.openscience.cdk.config.IsotopeFactory;
import org.openscience.cdk.controller.Controller2D;
import org.openscience.cdk.controller.Controller2DModel;
import org.openscience.cdk.interfaces.IAtom;
import org.openscience.cdk.interfaces.IChemObject;
import org.openscience.cdk.tools.manipulator.MoleculeSetManipulator;


/**
 * changes the atom symbol
 * @cdk.module jchempaint
 * @author     Egon Willighagen
 */
00050 public class ChangeAtomSymbolAction extends JCPAction
{

      private static final long serialVersionUID = -8502905723573311893L;

00055       public void actionPerformed(ActionEvent event)
      {
            logger.debug("About to change atom type of relevant atom!");
            JChemPaintModel jcpm = jcpPanel.getJChemPaintModel();
            if (jcpm != null)
            {
                  Controller2DModel c2dm = jcpm.getControllerModel();
                  IAtom atomInRange = null;
                  IChemObject object = getSource(event);
                  logger.debug("Source of call: ", object);
                  if (object instanceof IAtom)
                  {
                        atomInRange = (IAtom) object;
                  } else
                  {
                        atomInRange = jcpm.getRendererModel().getHighlightedAtom();
                  }
            String formerSymbol = atomInRange.getSymbol();
                  String s = event.getActionCommand();
                  String symbol = s.substring(s.indexOf("@") + 1);
            atomInRange.setSymbol(symbol);
                  // modify the current atom symbol
                  c2dm.setDrawElement(symbol);
                  // configure the atom, so that the atomic number matches the symbol
                  try
                  {
                        IsotopeFactory.getInstance(atomInRange.getBuilder()).configure(atomInRange);
                  } catch (Exception exception)
                  {
                        logger.error("Error while configuring atom");
                        logger.debug(exception);
                  }
                  ((Controller2D)jcpPanel.getDrawingPanel().getMouseListeners()[0]).updateAtom(
                        MoleculeSetManipulator.getRelevantAtomContainer(jcpm.getChemModel().getMoleculeSet(), atomInRange), atomInRange
                  );
            UndoableEdit  edit = new ChangeAtomSymbolEdit(atomInRange, formerSymbol, symbol);
            jcpPanel.getUndoSupport().postEdit(edit);
                  jcpm.fireChange();
            }
      }

}


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