/*
 * NumericUpDown.cs - Implementation of the
 *                      "System.Windows.Forms.NumericUpDown" class.
 *
 * Copyright (C) 2003  Southern Storm Software, Pty Ltd.
 *
 * 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
 */

namespace System.Windows.Forms
{

using System;
using System.Drawing;
	
// TODO: not all methods / properties / events implemeted at the moment
// TODO: almost no checks
public class NumericUpDown : UpDownBase
{
	private decimal ivalue = 0;
	private decimal minimum = 0;
	private decimal maximum = 100;
	private decimal increment = 1;
	
	public NumericUpDown()
	{
	}

	public decimal Value
	{
		get
		{
			return ivalue;
		}

		set
		{
			if (value < Minimum)
				ivalue = Minimum;
			else if (value > Maximum)
				ivalue = Maximum;
			else
				ivalue = value;
			UpdateEditText();
		}
	}

	public decimal Minimum
	{
		get
		{
			return minimum;
		}

		set
		{
			minimum = value;
			// FIXME: I'm not sure if it's right
			if (minimum > Maximum)
				Maximum = minimum;
		}
	}
	
	public decimal Maximum
	{
		get
		{
			return maximum;
		}

		set
		{
			maximum = value;
			// FIXME: I'm not sure if it's right
			if (maximum < Minimum)
				Minimum = maximum;
		}
	}

	public decimal Increment
	{
		get
		{
			return increment;
		}

		set
		{
			// FIXME: is it necessary to check the value?
			increment = value;
		}
	}

	public override void UpButton()
	{
		Value += Increment;
		if (Value > Maximum)
			Value = Maximum;
		UpdateEditText();
	}

	public override void DownButton()
	{
		Value -= Increment;
		if (Value < Minimum)
			Value = Minimum;
		UpdateEditText();				
	}

	protected override void UpdateEditText()
	{
		Text = Convert.ToString(Value);
	}
}

}