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The Waikato Environment for Knowledge Analysis (WEKA), a machine learning workbench. This version represents the developer version, the "bleeding edge" of development, you could say. New functionality gets added to this version.

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/*
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see .
 */

/*
 * VisualizePanel.java
 * Copyright (C) 2007-2012 University of Waikato, Hamilton, New Zealand
 */

package weka.gui.explorer;

import java.awt.BorderLayout;

import weka.core.Instances;
import weka.gui.explorer.Explorer.ExplorerPanel;
import weka.gui.visualize.MatrixPanel;

/**
 * A slightly extended MatrixPanel for better support in the Explorer.
 * 
 * @author  fracpete (fracpete at waikato dot ac dot nz)
 * @version $Revision: 8034 $
 * @see MatrixPanel
 */
public class VisualizePanel
  extends MatrixPanel
  implements ExplorerPanel {
  
  /** for serialization */
  private static final long serialVersionUID = 6084015036853918846L;

  /** the parent frame */
  protected Explorer m_Explorer = null;

  /**
   * Sets the Explorer to use as parent frame (used for sending notifications
   * about changes in the data)
   * 
   * @param parent	the parent frame
   */
  public void setExplorer(Explorer parent) {
    m_Explorer = parent;
  }
  
  /**
   * returns the parent Explorer frame
   * 
   * @return		the parent
   */
  public Explorer getExplorer() {
    return m_Explorer;
  }
  
  /**
   * Returns the title for the tab in the Explorer
   * 
   * @return 		the title of this tab
   */
  public String getTabTitle() {
    return "Visualize";
  }
  
  /**
   * Returns the tooltip for the tab in the Explorer
   * 
   * @return 		the tooltip of this tab
   */
  public String getTabTitleToolTip() {
    return "Explore the data";
  }

  /**
   * Tests out the visualize panel from the command line.
   *
   * @param args may optionally contain the name of a dataset to load.
   */
  public static void main(String [] args) {

    try {
      final javax.swing.JFrame jf =
	new javax.swing.JFrame("Weka Explorer: Visualize");
      jf.getContentPane().setLayout(new BorderLayout());
      final VisualizePanel sp = new VisualizePanel();
      jf.getContentPane().add(sp, BorderLayout.CENTER);
      jf.addWindowListener(new java.awt.event.WindowAdapter() {
	public void windowClosing(java.awt.event.WindowEvent e) {
	  jf.dispose();
	  System.exit(0);
	}
      });
      jf.pack();
      jf.setSize(800, 600);
      jf.setVisible(true);
      if (args.length == 1) {
	System.err.println("Loading instances from " + args[0]);
	java.io.Reader r = new java.io.BufferedReader(
			   new java.io.FileReader(args[0]));
	Instances i = new Instances(r);
	sp.setInstances(i);
      }
    } catch (Exception ex) {
      ex.printStackTrace();
      System.err.println(ex.getMessage());
    }
  }
}