//------------------------------------------------------------------------------
// <copyright file="TableLayoutInfo.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>                                                                
//------------------------------------------------------------------------------
 
namespace System.Windows.Forms {
    using System;
    using System.Collections;
    using System.ComponentModel;
    using System.ComponentModel.Design.Serialization;
    using System.Diagnostics;
    using System.Drawing;
    using System.Drawing.Design;    
    using System.Globalization;
    using System.Windows.Forms.Layout;
    using System.Reflection;
 
    /// <include file='doc\TableLayoutSettings.uex' path='docs/doc[@for="Style"]/*' />
    [TypeConverterAttribute(typeof(TableLayoutSettings.StyleConverter))]
    public abstract class TableLayoutStyle {
        private IArrangedElement _owner;
        private SizeType _sizeType = SizeType.AutoSize;
        private float _size;
        
        /// <include file='doc\TableLayoutSettings.uex' path='docs/doc[@for="Style.SizeType"]/*' />
        [DefaultValue(SizeType.AutoSize)]
        public SizeType SizeType {
            get { return _sizeType; }
            set { 
                if (_sizeType != value) {
                    _sizeType = value; 
                    if(Owner != null) {
                        LayoutTransaction.DoLayout(Owner, Owner, PropertyNames.Style);
                        Control owner = Owner as Control;
                        if (owner != null) {
                            owner.Invalidate();
                        }
                    }
                }
            }
        }
 
        internal float Size {
            get { return _size; }
            set {
                if (value < 0) {
                    throw new ArgumentOutOfRangeException("Size", SR.GetString(SR.InvalidLowBoundArgumentEx, "Size", value.ToString(CultureInfo.CurrentCulture), (0).ToString(CultureInfo.CurrentCulture)));
                }
                if (_size != value) {
                    _size = value;
                    if(Owner != null) {
                        LayoutTransaction.DoLayout(Owner, Owner, PropertyNames.Style);
                        Control owner = Owner as Control;
                        if (owner != null) {
                            owner.Invalidate();
                        }
                    }
                }
            }
        }
 
        private bool ShouldSerializeSize() {
            return SizeType != SizeType.AutoSize;
        }
 
        internal IArrangedElement Owner {
            get { return _owner; }
            set { _owner = value; }
        }
 
        //set the size without doing a layout
        internal void SetSize(float size) {
            Debug.Assert(size >= 0);
            _size = size;
        }
    }
}