www.pudn.com > jrar-0.40-source-icons.zip > DebugWindow.java

/* 
 * Copyright (C) 2003-2004 Andrew Smith 
 *  
 * 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., 59 Temple 
 * Place, Suite 330, Boston, MA 02111-1307 USA 
 */ 
 
import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 
import java.io.File; 
import java.io.FileWriter; 
import java.util.Calendar; 
import java.util.Date; 
 
import javax.swing.BoxLayout; 
import javax.swing.JButton; 
import javax.swing.JFrame; 
import javax.swing.JPanel; 
import javax.swing.JScrollPane; 
import javax.swing.JTextArea; 
import javax.swing.ScrollPaneConstants; 
 
public class DebugWindow extends JFrame implements ActionListener { 
 
    private static JFrame df; 
 
    private static JPanel buttonPanel; 
 
    private static JButton clearTextArea, saveTextArea, closeDebugWindow; 
 
    private static JScrollPane scrollPane; 
 
    private static JTextArea textArea; 
 
    private static Jrar jrar; 
 
    public DebugWindow(Jrar j) { 
        jrar = j; 
        df = new JFrame("Debug output"); 
 
        textArea = new JTextArea("Debugging On\n", 20, 40); 
        textArea.setEditable(false); 
 
        scrollPane = new JScrollPane(textArea, 
                ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, 
                ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); 
        df.getContentPane().add("Center", scrollPane); 
 
        buttonPanel = new JPanel(); 
        buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.LINE_AXIS)); 
        clearTextArea = new JButton("Clear"); 
        clearTextArea.addActionListener(this); 
        clearTextArea.setToolTipText("Clear the contents of the text area"); 
        saveTextArea = new JButton("Save output"); 
        saveTextArea.addActionListener(this); 
        saveTextArea 
                .setToolTipText("Save the output from the text area to JrarDebugOutput.txt"); 
        closeDebugWindow = new JButton("Stop Debuging"); 
        closeDebugWindow.addActionListener(this); 
        closeDebugWindow 
                .setToolTipText("Close this window and stops the debug output"); 
 
        buttonPanel.add(clearTextArea); 
        buttonPanel.add(saveTextArea); 
        buttonPanel.add(closeDebugWindow); 
        df.getRootPane().setDefaultButton(saveTextArea); 
        df.getContentPane().add("South", buttonPanel); 
 
        df.pack(); 
        df.setLocation(0, 0); 
        df.setVisible(true); 
    } 
 
    public void actionPerformed(ActionEvent e) { 
        if (e.getSource() == clearTextArea) { 
            textArea.setText(""); 
        } else if (e.getSource() == closeDebugWindow) { 
            df.dispose(); 
            jrar.stopDebugging(); 
        } else if (e.getSource() == saveTextArea) { 
            try { 
                Date d = new Date(); 
                Calendar c = Calendar.getInstance(); 
                String fileName = "JrarDebugOutput-" + c.get(Calendar.YEAR) 
	                + "-" + c.get(Calendar.MONTH) + "-" 
	                + c.get(Calendar.DAY_OF_MONTH) + ".txt"; 
                File f = new File(fileName); 
                FileWriter fw = new FileWriter(f, true); 
 
                if (!f.exists()) { 
                    f.createNewFile(); 
                } 
 
                String textToWrite = "\n" + d.toString() 
                        + "\n----- Start debug output -----\n" 
                        + "Using version " + JrarConstants.JRARVERSION + "\n\n" 
                        + textArea.getText() 
                        + "------ End debug output ------\n\n"; 
 
                fw.write(textToWrite); 
 
                fw.flush(); 
                fw.close(); 
 
            } catch (Exception ex) { 
                addDebugOutput("Error: " + ex); 
            } 
        } 
    } 
 
    public void addDebugOutput(String s) { 
        s.trim(); 
        textArea.append(s + "\n"); 
        textArea.setCaretPosition(textArea.getDocument().getLength()); 
    } 
 
    public void debugFrameVisiability() { 
        df.setVisible(!df.isVisible()); 
    } 
}