linux-packaging-mono/mcs/class/Managed.Windows.Forms/System.Windows.Forms/FlatButtonAppearance.cs

//
//  FlatButtonAppearance.cs
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2006 Daniel Nauck
//
// Author:
//      Daniel Nauck    (dna(at)mono-project(dot)de)


using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using System.Globalization;

namespace System.Windows.Forms
{
	[TypeConverter (typeof (FlatButtonAppearanceConverter))]
	public class FlatButtonAppearance
	{
		private Color borderColor = Color.Empty;
		private int borderSize = 1;
		private Color checkedBackColor = Color.Empty;
		private Color mouseDownBackColor = Color.Empty;
		private Color mouseOverBackColor = Color.Empty;
		private ButtonBase owner = null;

		internal FlatButtonAppearance (ButtonBase owner)
		{
			this.owner = owner;
		}

		[EditorBrowsable(EditorBrowsableState.Always)]
		[DefaultValue(typeof(Color), "")]
		[NotifyParentProperty(true)]
		[Browsable(true)]
		public Color BorderColor
		{
			get { return borderColor; }
			set {
				if(borderColor == value)
					return;

				if (value == Color.Transparent)
					throw new NotSupportedException ("Cannot have a Transparent border.");
					
				borderColor = value;
				
				if(owner != null)
					owner.Invalidate ();
			}
		}

		[EditorBrowsable(EditorBrowsableState.Always)]
		[DefaultValue(1)]
		[NotifyParentProperty(true)]
		[Browsable(true)]
		public int BorderSize
		{
			get { return borderSize; }
			set {
				if(borderSize == value)
					return;

				if (value < 0)
					throw new ArgumentOutOfRangeException ("value", string.Format ("'{0}' is not a valid value for 'BorderSize'. 'BorderSize' must be greater or equal than {1}.", value, 0));

				borderSize = value;

				if(owner != null)
					owner.Invalidate ();
			}
		}

		[EditorBrowsable(EditorBrowsableState.Always)]
		[DefaultValue(typeof(Color), "")]
		[NotifyParentProperty(true)]
		[Browsable(true)]
		public Color CheckedBackColor 
		{
			get { return checkedBackColor; }
			set {
				if(checkedBackColor == value)
					return;

				checkedBackColor = value;

				if(owner != null)
					owner.Invalidate ();
			}
		}

		[EditorBrowsable(EditorBrowsableState.Always)]
		[DefaultValue(typeof(Color), "")]
		[Browsable(true)]
		[NotifyParentProperty(true)]
		public Color MouseDownBackColor
		{
			get { return mouseDownBackColor; }
			set {
				if(mouseDownBackColor == value)
					return;

				mouseDownBackColor = value;

				if(owner != null)
					owner.Invalidate ();
			}
		}

		[EditorBrowsable(EditorBrowsableState.Always)]
		[DefaultValue(typeof(Color), "")]
		[NotifyParentProperty(true)]
		[Browsable(true)]
		public Color MouseOverBackColor
		{
			get { return mouseOverBackColor; }
			set {
				if(mouseOverBackColor == value)
					return;

				mouseOverBackColor = value;

				if(owner != null)
					owner.Invalidate ();
			}
		}
	}
	
	internal class FlatButtonAppearanceConverter : ExpandableObjectConverter
	{
		public override object ConvertTo (ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
		{
			if (destinationType == typeof (string))
			    return String.Empty;
			return base.ConvertTo (context, culture, value, destinationType);
		}

		public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
		{
			if (destinationType == typeof (string))
				return true;
			return base.CanConvertTo (context, destinationType);
		}
	}
}