/*
* 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.
*/
/*
* GraphViewer.java
* Copyright (C) 2002 Mark Hall
*
*/
package weka.gui.beans;
import weka.gui.ResultHistoryPanel;
import weka.gui.treevisualizer.*;
import java.io.Serializable;
import java.util.Enumeration;
import java.util.Vector;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextArea;
import javax.swing.ImageIcon;
import javax.swing.SwingConstants;
import javax.swing.JFrame;
import javax.swing.BorderFactory;
import java.awt.*;
import javax.swing.JScrollPane;
import javax.swing.BorderFactory;
import java.io.ObjectInputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.awt.event.MouseEvent;
/**
* A bean encapsulating weka.gui.treevisualize.TreeVisualizer
*
* @author <a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a>
* @version $Revision: 1.1.1.1 $
*/
public class GraphViewer
extends JPanel
implements Visible, GraphListener,
UserRequestAcceptor, Serializable {
protected BeanVisual m_visual =
new BeanVisual("GraphViewer",
BeanVisual.ICON_PATH+"DefaultGraph.gif",
BeanVisual.ICON_PATH+"DefaultGraph_animated.gif");
private transient JFrame m_resultsFrame = null;
protected transient ResultHistoryPanel m_history =
new ResultHistoryPanel(null);
public GraphViewer() {
setUpResultHistory();
setLayout(new BorderLayout());
add(m_visual, BorderLayout.CENTER);
}
private void setUpResultHistory() {
if (m_history == null) {
m_history = new ResultHistoryPanel(null);
}
m_history.setBorder(BorderFactory.createTitledBorder("Graph list"));
m_history.setHandleRightClicks(false);
m_history.getList().
addMouseListener(new ResultHistoryPanel.RMouseAdapter() {
public void mouseClicked(MouseEvent e) {
int index = m_history.getList().locationToIndex(e.getPoint());
if (index != -1) {
String name = m_history.getNameAtIndex(index);
doPopup(name);
}
}
});
}
/**
* Accept a graph
*
* @param e a <code>GraphEvent</code> value
*/
public synchronized void acceptGraph(GraphEvent e) {
if (m_history == null) {
setUpResultHistory();
}
String name = (new SimpleDateFormat("HH:mm:ss - "))
.format(new Date());
name += e.getGraphTitle();
m_history.addResult(name, new StringBuffer());
m_history.addObject(name, e.getGraphString());
}
/**
* Set the visual appearance of this bean
*
* @param newVisual a <code>BeanVisual</code> value
*/
public void setVisual(BeanVisual newVisual) {
m_visual = newVisual;
}
/**
* Get the visual appearance of this bean
*
*/
public BeanVisual getVisual() {
return m_visual;
}
/**
* Use the default visual appearance
*
*/
public void useDefaultVisual() {
m_visual.loadIcons(BeanVisual.ICON_PATH+"DefaultGraph.gif",
BeanVisual.ICON_PATH+"DefaultGraph_animated.gif");
}
/**
* Popup a result list from which the user can select a graph to view
*
*/
public void showResults() {
if (m_resultsFrame == null) {
if (m_history == null) {
setUpResultHistory();
}
m_resultsFrame = new JFrame("Graph Viewer");
m_resultsFrame.getContentPane().setLayout(new BorderLayout());
m_resultsFrame.getContentPane().add(m_history, BorderLayout.CENTER);
m_resultsFrame.addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent e) {
m_resultsFrame.dispose();
m_resultsFrame = null;
}
});
m_resultsFrame.pack();
m_resultsFrame.setVisible(true);
}
}
private void doPopup(String name) {
String grphString = (String)m_history.getNamedObject(name);
final javax.swing.JFrame jf =
new javax.swing.JFrame("Weka Classifier Tree Visualizer: "+name);
jf.setSize(500,400);
jf.getContentPane().setLayout(new BorderLayout());
TreeVisualizer tv =
new TreeVisualizer(null,
grphString,
new PlaceNode2());
jf.getContentPane().add(tv, BorderLayout.CENTER);
jf.addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent e) {
jf.dispose();
}
});
jf.setVisible(true);
}
/**
* Return an enumeration of user requests
*
* @return an <code>Enumeration</code> value
*/
public Enumeration enumerateRequests() {
Vector newVector = new Vector(0);
if (m_resultsFrame == null) {
newVector.addElement("Show results");
}
return newVector.elements();
}
/**
* Perform the named request
*
* @param request a <code>String</code> value
* @exception IllegalArgumentException if an error occurs
*/
public void performRequest(String request)
{
if (request.compareTo("Show results") == 0) {
showResults();
} else {
throw new
IllegalArgumentException(request
+ " not supported (GraphViewer)");
}
}
}