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1   package info.mikethomas.fahview.viewer;
2   
3   /*
4    * #%L
5    * This file is part of FAHView-viewer.
6    * %%
7    * Copyright (C) 2011 - 2017 Mike Thomas <mikepthomas@outlook.com>
8    * %%
9    * FAHView is free software: you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as published by
11   * the Free Software Foundation, either version 3 of the License, or
12   * (at your option) any later version.
13   * %
14   * FAHView is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   * GNU General Public License for more details.
18   * %
19   * You should have received a copy of the GNU General Public License
20   * along with FAHView.  If not, see <http://www.gnu.org/licenses/>.
21   * #L%
22   */
23  
24  import java.awt.Dimension;
25  import java.awt.Graphics;
26  import java.awt.Rectangle;
27  import javax.swing.JPanel;
28  import org.jmol.adapter.smarter.SmarterJmolAdapter;
29  import org.jmol.api.JmolViewer;
30  
31  /**
32   * Class to embed Jmol 3D Molecule Viewer into FAHView.
33   *
34   * @see <a href="http://wiki.jmol.org/index.php/Applications_Embedding_Jmol">
35   * Jmol Wiki - Applications Embedding</a>
36   * @author <a href="mailto:mikepthomas@outlook.com">Michael Thomas</a>
37   * @version $Id: $Id
38   */
39  public class JmolPanel extends JPanel {
40  
41      private JmolViewer viewer;
42      private final Dimension currentSize = new Dimension();
43      private final Rectangle rectClip = new Rectangle(); // ignored by Jmol
44  
45      /**
46       * Constructor to initialize JmolPanel
47       */
48      public JmolPanel() {
49          setViewer();
50      }
51  
52      /**
53       * Set the JPanel to the Jmol viewer
54       */
55      private void setViewer() {
56          viewer = JmolViewer.allocateViewer(this, new SmarterJmolAdapter());
57      }
58  
59      /**
60       * Get the Jmol viewer
61       *
62       * @return a {@link org.jmol.api.JmolViewer} object.
63       */
64      public JmolViewer getViewer()
65      {
66          return viewer;
67      }
68  
69      /**
70       * {@inheritDoc}
71       *
72       * Override paint to allow Jmol to refresh
73       */
74      @Override
75      public void paint(Graphics g) {
76          getSize(currentSize);
77          g.getClipBounds(rectClip);
78          viewer.renderScreenImage(g, currentSize, rectClip);
79      }
80  }