Package weka.gui.beans

Source Code of weka.gui.beans.FilterCustomizer

/*
*    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 2 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, write to the Free Software
*    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

/*
*    FilterCustomizer.java
*    Copyright (C) 2002 University of Waikato, Hamilton, New Zealand
*
*/

package weka.gui.beans;

import weka.filters.Filter;
import weka.gui.GenericObjectEditor;

import java.awt.BorderLayout;
import java.beans.Customizer;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

import javax.swing.JPanel;

/**
* GUI customizer for the filter bean
*
* @author <a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a>
* @version $Revision: 1.9 $
*/
public class FilterCustomizer
  extends JPanel
  implements Customizer {

  /** for serialization */
  private static final long serialVersionUID = 2049895469240109738L;
 
  static {
     GenericObjectEditor.registerEditors();
  }

  private PropertyChangeSupport m_pcSupport =
    new PropertyChangeSupport(this);

  private weka.gui.beans.Filter m_filter;
  private GenericObjectEditor m_filterEditor =
    new GenericObjectEditor(true);
  public FilterCustomizer() {
    try {
      m_filterEditor.
  setClassType(Filter.class);     
      m_filterEditor.setValue(new weka.filters.unsupervised.attribute.Add());
      m_filterEditor.addPropertyChangeListener(new PropertyChangeListener() {
    public void propertyChange(PropertyChangeEvent e) {
      repaint();
      if (m_filter != null) {
        Filter editedF = (Filter)m_filterEditor.getValue();
        m_filter.setFilter(editedF);
        // should pass on the property change to any other interested
        // listeners
      }
    }
  });
      //      System.out.println("Here");
      repaint();
    } catch (Exception ex) {
      ex.printStackTrace();
    }

    setLayout(new BorderLayout());
    add(m_filterEditor.getCustomEditor(), BorderLayout.CENTER);
  }
 
  /**
   * Set the filter bean to be edited
   *
   * @param object a Filter bean
   */
  public void setObject(Object object) {
    m_filter = (weka.gui.beans.Filter)object;
    m_filterEditor.setValue(m_filter.getFilter());
  }

  /**
   * Add a property change listener
   *
   * @param pcl a <code>PropertyChangeListener</code> value
   */
  public void addPropertyChangeListener(PropertyChangeListener pcl) {
    m_pcSupport.addPropertyChangeListener(pcl);
  }

  /**
   * Remove a property change listener
   *
   * @param pcl a <code>PropertyChangeListener</code> value
   */
  public void removePropertyChangeListener(PropertyChangeListener pcl) {
    m_pcSupport.removePropertyChangeListener(pcl);
  }
}
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