package com.macmillan.nmeyers;
import javax.swing.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;

/*
 * SelectThreads.java: Part of the PerfAnal tool
 *
 * This class implements a dialog for selecting one or more threads
 * to analyze.
 *
 * Author: Nathan Meyers, nmeyers@javalinux.net
 * $Id: SelectThreads.java,v 1.5 1999/11/10 03:36:14 nathanm Exp $
 *
 * 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, 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
 * with this program. If not, the license is available from the
 * GNU project, at http://www.gnu.org.
 */

class SelectThreads extends JDialog
{
    Box box1;
    ChooseThread chooseThread;
    SelectThreads(JFrame owner, ChooseThread ct, HashMap threads)
    {
	super(owner, "Select Thread(s) to Analyze", true);
	chooseThread = ct;
	ArrayList list = new ArrayList(threads.values());
	Collections.sort(list, new Comparator() {
	    public int compare(Object o1, Object o2)
	    {
		return ((ThreadInfo)o2).count - ((ThreadInfo)o1).count;
	    }
	    public boolean Equals(Object o)
	    {
		return false;
	    }
	});
	box1 = Box.createVerticalBox();
	getContentPane().add(new JScrollPane(box1), BorderLayout.CENTER);
	for (Iterator i = list.iterator(); i.hasNext();)
	{
	    ThreadCheckBox checkBox = new ThreadCheckBox((ThreadInfo)i.next());
	    box1.add(checkBox);
	}
	Box box2 = Box.createHorizontalBox();
	getContentPane().add(box2, BorderLayout.SOUTH);
	box2.add(Box.createGlue());
	JButton button = new JButton("OK");
	button.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e)
	    {
		setVisible(false);
		Object[] boxes = box1.getComponents();
		for (int i = 0; i < boxes.length; i++)
		    ((ThreadCheckBox)boxes[i]).thread.enabled =
			((ThreadCheckBox)boxes[i]).isSelected();
		chooseThread.recomputeTotals();
	    }
	});
	box2.add(button);
	getRootPane().setDefaultButton(button);
	box2.add(Box.createGlue());
	button = new JButton("Set All");
	button.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e)
	    {
		Object[] boxes = box1.getComponents();
		for (int i = 0; i < boxes.length; i++)
		    ((ThreadCheckBox)boxes[i]).setSelected(true);
	    }
	});
	box2.add(button);
	box2.add(Box.createGlue());
	button = new JButton("Clear All");
	button.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e)
	    {
		Object[] boxes = box1.getComponents();
		for (int i = 0; i < boxes.length; i++)
		    ((ThreadCheckBox)boxes[i]).setSelected(false);
	    }
	});
	box2.add(button);
	box2.add(Box.createGlue());
	button = new JButton("Cancel");
	button.addActionListener(new ActionListener() {
	    public void actionPerformed(ActionEvent e)
	    {
		setVisible(false);
	    }
	});
	box2.add(button);
	box2.add(Box.createGlue());
	pack();
    }
    static class ThreadCheckBox extends JCheckBox
    {
	ThreadInfo thread;
	ThreadCheckBox(ThreadInfo thr)
	{
	    super(thr.toString());
	    thread = thr;
	}
    }
    public interface ChooseThread
    {
	public void chooseThread();
	public void recomputeTotals();
    }
    public void setVisible(boolean vis)
    {
	if (vis)
	{
	    Object[] boxes = box1.getComponents();
	    for (int i = 0; i < boxes.length; i++)
		((ThreadCheckBox)boxes[i]).
		    setSelected(((ThreadCheckBox)boxes[i]).thread.enabled);
	}
	super.setVisible(vis);
    }
}