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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 .
 */

/*
 *    AttributeSummarizerCustomizer.java
 *    Copyright (C) 2011-2012 University of Waikato, Hamilton, New Zealand
 *
 */

package weka.gui.beans;

import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Set;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingConstants;

import weka.core.Environment;
import weka.core.EnvironmentHandler;

/**
 * GUI customizer for attribute summarizer. Allows the customization of
 * options for offscreen chart rendering (i.e. the payload of "ImageEvent"
 * connections).
 * 
 * @author Mark Hall (mhall{[at]}pentaho{[dot]}com)
 * @version $Revision: 8034 $
 */
public class AttributeSummarizerCustomizer extends JPanel implements
    BeanCustomizer, EnvironmentHandler, CustomizerClosingListener,
    CustomizerCloseRequester {
  

  /**
   * For serialization
   */
  private static final long serialVersionUID = -6973666187676272788L;

  private DataVisualizer m_dataVis;

  private Environment m_env = Environment.getSystemWide();
  
  private ModifyListener m_modifyListener;
  
  private Window m_parent;
  
  private String m_rendererNameBack;
  private String m_xAxisBack;
  private String m_widthBack;
  private String m_heightBack;
  private String m_optsBack;
  
  private JComboBox m_rendererCombo;
  private EnvironmentField m_xAxis;
  private EnvironmentField m_width;
  private EnvironmentField m_height;
  private EnvironmentField m_opts;
  
  
  /**
   * Constructor
   */
  public AttributeSummarizerCustomizer() {
    setLayout(new BorderLayout());
  }
  
  
  /**
   * Set the model performance chart object to customize
   * 
   * @param object the model performance chart to customize
   */
  public void setObject(Object object) {
    m_dataVis = (DataVisualizer)object;
    m_rendererNameBack = m_dataVis.getOffscreenRendererName();
    m_xAxisBack = m_dataVis.getOffscreenXAxis();
    m_widthBack = m_dataVis.getOffscreenWidth();
    m_heightBack = m_dataVis.getOffscreenHeight();
    m_optsBack = m_dataVis.getOffscreenAdditionalOpts();
    
    setup();
  }
  
  private void setup() {
    JPanel holder = new JPanel();
    holder.setLayout(new GridLayout(5, 2));
    
    Vector comboItems = new Vector();
    comboItems.add("Weka Chart Renderer");
    Set pluginRenderers = 
      PluginManager.getPluginNamesOfType("weka.gui.beans.OffscreenChartRenderer");
    if (pluginRenderers != null) {
      for (String plugin : pluginRenderers) {
        comboItems.add(plugin);      
      }
    }
    
    JLabel rendererLab = new JLabel("Renderer", SwingConstants.RIGHT);
    holder.add(rendererLab);
    m_rendererCombo = new JComboBox(comboItems);
    holder.add(m_rendererCombo);    
    
    JLabel xLab = new JLabel("Attribute to chart", SwingConstants.RIGHT);
    xLab.setToolTipText("Attribute name or /first or /last or /");
    m_xAxis = new EnvironmentField(m_env);
    m_xAxis.setText(m_xAxisBack);    
    
    JLabel widthLab = new JLabel("Chart width (pixels)", SwingConstants.RIGHT);
    m_width = new EnvironmentField(m_env);
    m_width.setText(m_widthBack);
    
    JLabel heightLab = new JLabel("Chart height (pixels)", SwingConstants.RIGHT);
    m_height = new EnvironmentField(m_env);
    m_height.setText(m_heightBack);
    
    final JLabel optsLab = new JLabel("Renderer options", SwingConstants.RIGHT);
    m_opts = new EnvironmentField(m_env);
    m_opts.setText(m_optsBack);
    holder.add(xLab); holder.add(m_xAxis);  
    holder.add(widthLab); holder.add(m_width);  
    holder.add(heightLab); holder.add(m_height); 
    holder.add(optsLab); holder.add(m_opts); 
    
    add(holder, BorderLayout.CENTER);
    
    String globalInfo = m_dataVis.globalInfo();
    globalInfo += " This dialog allows you to configure offscreen " +
    		"rendering options. Offscreen images are passed via" +
    		" 'image' connections.";

    JTextArea jt = new JTextArea();
    jt.setColumns(30);
    jt.setFont(new Font("SansSerif", Font.PLAIN,12));
    jt.setEditable(false);
    jt.setLineWrap(true);
    jt.setWrapStyleWord(true);
    jt.setText(globalInfo);
    jt.setBackground(getBackground());
    JPanel jp = new JPanel();
    jp.setBorder(BorderFactory.createCompoundBorder(
                 BorderFactory.createTitledBorder("About"),
                 BorderFactory.createEmptyBorder(5, 5, 5, 5)
         ));
    jp.setLayout(new BorderLayout());
    jp.add(jt, BorderLayout.CENTER);
    add(jp, BorderLayout.NORTH);
    
    addButtons();
    
    m_rendererCombo.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        setupRendererOptsTipText(optsLab);
      }
    });
    m_rendererCombo.setSelectedItem(m_rendererNameBack);    
    
    setupRendererOptsTipText(optsLab);
  }
  
  private void setupRendererOptsTipText(JLabel optsLab) {
    String renderer = m_rendererCombo.getSelectedItem().toString();
    if (renderer.equalsIgnoreCase("weka chart renderer")) {
      // built-in renderer
      WekaOffscreenChartRenderer rcr = new WekaOffscreenChartRenderer();
      String tipText = rcr.optionsTipTextHTML();
      tipText = tipText.replace("", "Comma separated list of options:
"); optsLab.setToolTipText(tipText); } else { try { Object rendererO = PluginManager.getPluginInstance("weka.gui.beans.OffscreenChartRenderer", renderer); if (rendererO != null) { String tipText = ((OffscreenChartRenderer)rendererO).optionsTipTextHTML(); if (tipText != null && tipText.length() > 0) { optsLab.setToolTipText(tipText); } } } catch (Exception ex) { } } } private void addButtons() { JButton okBut = new JButton("OK"); JButton cancelBut = new JButton("Cancel"); JPanel butHolder = new JPanel(); butHolder.setLayout(new GridLayout(1, 2)); butHolder.add(okBut); butHolder.add(cancelBut); add(butHolder, BorderLayout.SOUTH); okBut.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { m_dataVis.setOffscreenXAxis(m_xAxis.getText()); m_dataVis.setOffscreenWidth(m_width.getText()); m_dataVis.setOffscreenHeight(m_height.getText()); m_dataVis.setOffscreenAdditionalOpts(m_opts.getText()); m_dataVis.setOffscreenRendererName(m_rendererCombo. getSelectedItem().toString()); if (m_modifyListener != null) { m_modifyListener. setModifiedStatus(AttributeSummarizerCustomizer.this, true); } if (m_parent != null) { m_parent.dispose(); } } }); cancelBut.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { customizerClosing(); if (m_parent != null) { m_parent.dispose(); } } }); } /** * Set the parent window of this dialog * * @param parent the parent window */ public void setParentWindow(Window parent) { m_parent = parent; } /** * Gets called if the use closes the dialog via the * close widget on the window - is treated as cancel, * so restores the ImageSaver to its previous state. */ public void customizerClosing() { m_dataVis.setOffscreenXAxis(m_xAxisBack); m_dataVis.setOffscreenWidth(m_widthBack); m_dataVis.setOffscreenHeight(m_heightBack); m_dataVis.setOffscreenAdditionalOpts(m_optsBack); m_dataVis.setOffscreenRendererName(m_rendererNameBack); } /** * Set the environment variables to use * * @param env the environment variables to use */ public void setEnvironment(Environment env) { m_env = env; } /** * Set a listener interested in whether we've modified * the ImageSaver that we're customizing * * @param l the listener */ public void setModifiedListener(ModifyListener l) { m_modifyListener = l; } }




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