/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Iterator;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import com.rapidminer.ObjectVisualizer;
import com.rapidminer.example.Attribute;
import com.rapidminer.example.Example;
import com.rapidminer.example.ExampleSet;
import com.rapidminer.gui.tools.ExtendedJScrollPane;
import com.rapidminer.gui.tools.ExtendedJTable;
/**
* A visualizer which shows the attribute values of an example. This is the most
* simple visualizer which should work in all cases.
*
* @author Ingo Mierswa
* @version $Id: ExampleVisualizer.java,v 2.11 2006/03/21 15:35:40 ingomierswa
* Exp $
*/
public class ExampleVisualizer implements ObjectVisualizer {
private ExampleSet exampleSet;
private Attribute idAttribute;
public ExampleVisualizer(ExampleSet exampleSet) {
this.exampleSet = exampleSet;
this.exampleSet.remapIds();
this.idAttribute = exampleSet.getAttributes().getId();
}
public void startVisualization(String objId) {
final JDialog dialog = new JDialog(RapidMinerGUI.getMainFrame(), "Example: " + objId, false);
dialog.getContentPane().setLayout(new BorderLayout());
double idValue = idAttribute.isNominal() ? idAttribute.getMapping().mapString(objId) : Double.parseDouble(objId);
Example example = exampleSet.getExampleFromId(idValue);
if (example != null) {
String[] columnNames = new String[] { "Attribute", "Value" };
String[][] data = new String[example.getAttributes().allSize()][2];
Iterator<Attribute> a = example.getAttributes().allAttributes();
int counter = 0;
while (a.hasNext()) {
Attribute attribute = a.next();
data[counter][0] = attribute.getName();
data[counter][1] = example.getValueAsString(attribute);
counter++;
}
JTable table = new ExtendedJTable();
table.setDefaultEditor(Object.class, null);
TableModel tableModel = new DefaultTableModel(data, columnNames);
table.setModel(tableModel);
JScrollPane scrollPane = new ExtendedJScrollPane(table);
dialog.getContentPane().add(scrollPane, BorderLayout.CENTER);
} else {
JLabel noInfoLabel = new JLabel("No information available for object '" + objId + "'.");
dialog.getContentPane().add(noInfoLabel, BorderLayout.CENTER);
}
JPanel buttons = new JPanel(new FlowLayout());
JButton okButton = new JButton("Ok");
okButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dialog.dispose();
}
});
buttons.add(okButton);
dialog.getContentPane().add(buttons, BorderLayout.SOUTH);
dialog.pack();
dialog.setLocationRelativeTo(RapidMinerGUI.getMainFrame());
dialog.setVisible(true);
}
/** Does nothing. */
public void stopVisualization(String objId) {}
public String getTitle(String objId) {
return objId;
}
public boolean isCapableToVisualize(String id) {
double idValue = idAttribute.isNominal() ? idAttribute.getMapping().mapString(id) : Double.parseDouble(id);
return exampleSet.getExampleFromId(idValue) != null;
}
}