/*
* 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.
*/
/*
* ArffViewer.java
* Copyright (C) 2005 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui.arffviewer;
import weka.core.Memory;
import weka.gui.ComponentHelper;
import weka.gui.LookAndFeel;
import java.awt.BorderLayout;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
/**
* A little tool for viewing ARFF files.
*
*
* @author FracPete (fracpete at waikato dot ac dot nz)
* @version $Revision: 4719 $
*/
public class ArffViewer
extends JFrame
implements WindowListener {
/** for serialization */
static final long serialVersionUID = -7455845566922685175L;
/** the main panel */
private ArffViewerMainPanel m_MainPanel;
/** for monitoring the Memory consumption */
private static Memory m_Memory = new Memory(true);
/** the viewer if started from command line */
private static ArffViewer m_Viewer;
/** whether the files were already loaded */
private static boolean m_FilesLoaded;
/** the command line arguments */
private static String[] m_Args;
/**
* initializes the object
*/
public ArffViewer() {
super("ARFF-Viewer");
createFrame();
}
/**
* creates all the components in the frame
*/
protected void createFrame() {
// basic setup
setIconImage(ComponentHelper.getImage("weka_icon.gif"));
setSize(ArffViewerMainPanel.WIDTH, ArffViewerMainPanel.HEIGHT);
setCenteredLocation();
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
// remove the listener - otherwise we get the strange behavior that one
// frame receives a window-event for every single open frame!
removeWindowListener(this);
// add listener anew
addWindowListener(this);
getContentPane().setLayout(new BorderLayout());
m_MainPanel = new ArffViewerMainPanel(this);
m_MainPanel.setConfirmExit(false);
getContentPane().add(m_MainPanel, BorderLayout.CENTER);
setJMenuBar(m_MainPanel.getMenu());
}
/**
* returns the left coordinate if the frame would be centered
*
* @return the left coordinate
*/
protected int getCenteredLeft() {
int width;
int x;
width = getBounds().width;
x = (getGraphicsConfiguration().getBounds().width - width) / 2;
if (x < 0)
x = 0;
return x;
}
/**
* returns the top coordinate if the frame would be centered
*
* @return the top coordinate
*/
protected int getCenteredTop() {
int height;
int y;
height = getBounds().height;
y = (getGraphicsConfiguration().getBounds().height - height) / 2;
if (y < 0)
y = 0;
return y;
}
/**
* positions the window at the center of the screen
*/
public void setCenteredLocation() {
setLocation(getCenteredLeft(), getCenteredTop());
}
/**
* whether to present a MessageBox on Exit or not
* @param confirm whether a MessageBox pops up or not to confirm
* exit
*/
public void setConfirmExit(boolean confirm) {
m_MainPanel.setConfirmExit(confirm);
}
/**
* returns the setting of whether to display a confirm messagebox or not
* on exit
* @return whether a messagebox is displayed or not
*/
public boolean getConfirmExit() {
return m_MainPanel.getConfirmExit();
}
/**
* whether to do a System.exit(0) on close
*
* @param value enables/disables the System.exit(0)
*/
public void setExitOnClose(boolean value) {
m_MainPanel.setExitOnClose(value);
}
/**
* returns TRUE if a System.exit(0) is done on a close
*
* @return true if System.exit(0) is done
*/
public boolean getExitOnClose() {
return m_MainPanel.getExitOnClose();
}
/**
* returns the main panel
*
* @return the main panel
*/
public ArffViewerMainPanel getMainPanel() {
return m_MainPanel;
}
/**
* validates and repaints the frame
*/
public void refresh() {
validate();
repaint();
}
/**
* invoked when a window is activated
*
* @param e the window event
*/
public void windowActivated(WindowEvent e) {
}
/**
* invoked when a window is closed
*
* @param e the window event
*/
public void windowClosed(WindowEvent e) {
}
/**
* invoked when a window is in the process of closing
*
* @param e the window event
*/
public void windowClosing(WindowEvent e) {
int button;
while (getMainPanel().getTabbedPane().getTabCount() > 0)
getMainPanel().closeFile(false);
if (getConfirmExit()) {
button = ComponentHelper.showMessageBox(
this,
"Quit - " + getTitle(),
"Do you really want to quit?",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (button == JOptionPane.YES_OPTION)
dispose();
}
else {
dispose();
}
if (getExitOnClose())
System.exit(0);
}
/**
* invoked when a window is deactivated
*
* @param e the window event
*/
public void windowDeactivated(WindowEvent e) {
}
/**
* invoked when a window is deiconified
*
* @param e the window event
*/
public void windowDeiconified(WindowEvent e) {
}
/**
* invoked when a window is iconified
*
* @param e the window event
*/
public void windowIconified(WindowEvent e) {
}
/**
* invoked when a window is has been opened
*
* @param e the window event
*/
public void windowOpened(WindowEvent e) {
}
/**
* returns only the classname
*
* @return the classname
*/
public String toString() {
return this.getClass().getName();
}
/**
* shows the frame and it tries to load all the arff files that were
* provided as arguments.
*
* @param args the commandline parameters
* @throws Exception if something goes wrong
*/
public static void main(String[] args) throws Exception {
weka.core.logging.Logger.log(weka.core.logging.Logger.Level.INFO, "Logging started");
LookAndFeel.setLookAndFeel();
try {
// uncomment to disable the memory management:
//m_Memory.setEnabled(false);
m_Viewer = new ArffViewer();
m_Viewer.setExitOnClose(true);
m_Viewer.setVisible(true);
m_FilesLoaded = false;
m_Args = args;
Thread memMonitor = new Thread() {
public void run() {
while(true) {
try {
if ( (m_Args.length > 0) && (!m_FilesLoaded) ) {
for (int i = 0; i < m_Args.length; i++) {
System.out.println("Loading " + (i+1) + "/"
+ m_Args.length + ": '" + m_Args[i] + "'...");
m_Viewer.getMainPanel().loadFile(m_Args[i]);
}
m_Viewer.getMainPanel().getTabbedPane().setSelectedIndex(0);
System.out.println("Finished!");
m_FilesLoaded = true;
}
//System.out.println("before sleeping");
Thread.sleep(4000);
System.gc();
if (m_Memory.isOutOfMemory()) {
// clean up
m_Viewer.dispose();
m_Viewer = null;
System.gc();
// stop threads
m_Memory.stopThreads();
// display error
System.err.println("\ndisplayed message:");
m_Memory.showOutOfMemory();
System.err.println("\nrestarting...");
// restart GUI
System.gc();
m_Viewer = new ArffViewer();
m_Viewer.setExitOnClose(true);
m_Viewer.setVisible(true);
// Note: no re-loading of datasets, otherwise we could end up
// in an endless loop!
}
}
catch(InterruptedException ex) {
ex.printStackTrace();
}
}
}
};
memMonitor.setPriority(Thread.NORM_PRIORITY);
memMonitor.start();
}
catch (Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
}