package com.rle.monitor;

/*
 * RLE Surface Crack Detector Graphing Software
 *
 * Copyright (C) 2002 RLE Technologies
 * For more information visit http://www.rletech.com/
 *
 * 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.
 */

/**
 * @author Andy Goth
 * @author Eric Peterson
 * @author Matt Lane
 * @version 0.1
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.plaf.*;

/** Slider with stop values and block incrementing. */
public class MySlider extends JSlider {
	private int blockIncrement;
	private int stopMin;
	private int stopMax;
	private static final EventListenerList nullListenerList =
			new EventListenerList();

	public MySlider()
	{
		this(HORIZONTAL, 0, 100, 50);
	}

	public MySlider(int orientation)
	{
		this(orientation, 0, 100, 50);
	}

	public MySlider(int min, int max)
	{
		this(HORIZONTAL, min, max, (min + max) / 2);
	}

	public MySlider(int min, int max, int value)
	{
		this(HORIZONTAL, min, max, value);
	}

	public MySlider(int orientation, int min, int max, int value)
	{
		super(orientation, min, max, value);
		ComponentUI ui;
		ui = MySliderUI.createUI(this);
		ui.installUI(this);
		setUI(ui);
		blockIncrement = (getMaximum() - getMinimum()) / 8;
		stopMin = getMinimum();
		stopMax = getMaximum();
		setExtent(0);
	}

	public MySlider(BoundedRangeModel brm)
	{
		this(HORIZONTAL);
		setModel(brm);
	}

	/** Returns the amount by which the track adjusts the slider. */
	public int getBlockIncrement(int dir) {return blockIncrement;}
	/** Sets the amount by which the track adjusts the slider. */
	public void setBlockIncrement(int inc)
	{
		if (inc < 1)
			throw new IllegalArgumentException("Out of bounds");
		blockIncrement = inc;
	}

	public void setValue(int v)
	{
		if (v < stopMin) super.setValue(stopMin);
		else if (v > stopMax) super.setValue(stopMax);
		else super.setValue(v);
	}
	/** Sets the slider's value without sending event notifications. */
	public void setValueQuiet(int v)
	{
		EventListenerList listenerList = this.listenerList;
		this.listenerList = nullListenerList;
		if (v < stopMin) super.setValue(stopMin);
		else if (v > stopMax) super.setValue(stopMax);
		else super.setValue(v);
		this.listenerList = listenerList;
	}

	/** Returns the minimum value the slider can be set to. */
	public int getStopMin() {return stopMin;}
	/** Sets the minimum value the slider can be set to. */
	public void setStopMin(int m)
	{
		if (m < getMinimum())
			throw new IllegalArgumentException("Out of bounds");
		stopMin = m;
		if (getValue() < m) setValue(m);
		repaint();
	}

	/** Returns the maximum value the slider can be set to. */
	public int getStopMax() {return stopMax;}
	/** Sets the maximum value the slider can be set to. */
	public void setStopMax(int m)
	{
		if (m > getMaximum())
			throw new IllegalArgumentException("Out of bounds");
		stopMax = m;
		if (getValue() > m) setValue(m);
		repaint();
	}
}