ThisActionListener.java

/*                        ThisActionListener.java

  Copyright 2003, Bil Lewis

  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   
*/

package com.lambda.Debugger;


import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.event.*;


class ThisActionListener implements ActionListener, ListSelectionListener {

  JButton b0, b1, b2, b3, b4;

  public ThisActionListener(){}

  public ThisActionListener(JButton b0, JButton b1, JButton b2, JButton b3) {
    this.b0=b0;
    this.b1=b1;
    this.b2=b2;
    this.b3=b3;
  }


  public void actionPerformed(ActionEvent event) {
    if (TimeStamp.empty()) {
      Debugger.message("No Time Stamps recorded. Is the target program debugified?", true);
      return;
    }

    if (event.getSource() == b0) {
      DebuggerCommand dc = new DebuggerCommand(this.getClass(), "first");
      dc.execute();
      return;
    }	    
    if (event.getSource() == b1) {
      DebuggerCommand dc = new DebuggerCommand(this.getClass(), "next");
      dc.execute();
      return;
    }
    if (event.getSource() == b2) {
      DebuggerCommand dc = new DebuggerCommand(this.getClass(), "previous");
      dc.execute();
      return;
    }
    if (event.getSource() == b3) {
      DebuggerCommand dc = new DebuggerCommand(this.getClass(), "last");
      dc.execute();
      return;
    }
  }



  public static void first() {
    int i = Debugger.ThisPList.getSelectedIndex();
    TimeStamp ts = ThisPane.getFirst(i);
    if ((ts != null) && (ts.earlierThan(TimeStamp.currentTime())))
      Debugger.revert(ts);
  }	    

  public static void previous() {
    int i = Debugger.ThisPList.getSelectedIndex();
    TimeStamp ts = ThisPane.getPrevious(i);
    if (ts != null)
      Debugger.revert(ts);
  }

  public static void next() {
    int i = Debugger.ThisPList.getSelectedIndex();
    TimeStamp ts = ThisPane.getNext(i);
    if (ts != null)
      Debugger.revert(ts);
  }

  public static void last() {
    int i = Debugger.ThisPList.getSelectedIndex();
    TimeStamp ts = ThisPane.getLast(i);
    if ((ts != null) && (ts.laterThan(TimeStamp.currentTime())))
      Debugger.revert(ts);
  }

  public void valueChanged(ListSelectionEvent event) {
    if ((event.getSource() == Debugger.LocalsPList) &&
	(!event.getValueIsAdjusting()) &&
	(Debugger.LocalsPList.getSelectedIndex() >= 0)) {
    }
  }
  
}