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DrawingPanel.java

/*
 *  $RCSfile$
 *  $Author: egonw $
 *  $Date: 2007-01-04 18:26:00 +0100 (Thu, 04 Jan 2007) $
 *  $Revision: 7634 $
 *
 *  Copyright (C) 1997-2007  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;

import org.openscience.cdk.renderer.Renderer2D;
import org.openscience.cdk.renderer.Renderer2DModel;
import org.openscience.cdk.tools.manipulator.AtomContainerSetManipulator;

import javax.swing.*;
import java.awt.*;

/**
 *  This class implements an editing JChemPaintPanel.
 *
 *@author        steinbeck
 *@cdk.created       16. Februar 2005
 *@cdk.module    jchempaint
 *@see           JChemPaintViewerOnlyPanel
 */
00046 public class DrawingPanel extends JPanel
{

      private static final long serialVersionUID = -7896336271183337200L;
      private JChemPaintModel jchemPaintModel;
      private Renderer2D r2d;
      private Dimension oldPreferredSize=null;
      /**
       *  Description of the Field
       */
00056       public boolean drawingNow = false;


      /**
       *  Constructor for the DrawingPanel object
       *
       */
00063       public DrawingPanel()
      {
            super();
            
      }

      void setJChemPaintModel(JChemPaintModel model)
      {
            this.jchemPaintModel = model;
            r2d = new Renderer2D(jchemPaintModel.getRendererModel());
            r2d.setRenderer2DModel(jchemPaintModel.getRendererModel());
            revalidate();
      }
      
      public void updateRingSetInRenderer(){
            r2d.redoSSSR(AtomContainerSetManipulator.getAllAtomContainers(jchemPaintModel.getChemModel().getMoleculeSet()));
      }
      
      /**
       *  Draws bonds, atoms; takes care of highlighting.
       *
       *@param  g  the Graphics object to paint to
       */
00086       public void paint(Graphics g)
      {
      this.setBackground(jchemPaintModel.getRendererModel().getBackColor());
            if (jchemPaintModel == null) return;
            drawingNow = true;
            super.paint(g);
            Graphics2D g2d = (Graphics2D) g;
            Renderer2DModel model = jchemPaintModel.getRendererModel();
            if (model.getUseAntiAliasing())
            {
                  g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            }
            r2d.paintChemModel(jchemPaintModel.getChemModel(), g2d);
            drawingNow = false;
            if(!this.getPreferredSize().equals(oldPreferredSize)){
                  oldPreferredSize=this.getPreferredSize();
                  setSize(this.getPreferredSize());
            }
      }


      /**
       *  Gets the preferredSize attribute of the JChemPaintPanel object
       *
       *@return    The preferredSize value
       */
00112       public Dimension getPreferredSize()
      {
            if (jchemPaintModel == null) return new Dimension(794,1123);
            return jchemPaintModel.getRendererModel().getBackgroundDimension();
      }
}


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