using System;
using System.ComponentModel;

namespace VEPROMS.CSLA.Library
{
	[Serializable]
	[TypeConverter(typeof(ExpandableObjectConverter))]
	public class ImageConfig : ConfigDynamicTypeDescriptor, INotifyPropertyChanged
	{
		#region DynamicTypeDescriptor
		internal override bool IsReadOnly
		{
			get { return _ImageInfo == null; }
		}
		#endregion
		#region XML
		private XMLProperties _Xp;
		private XMLProperties Xp
		{
			get { return _Xp; }
		}
		#endregion
		#region Constructors
		private ImageInfo _ImageInfo;
		public ImageConfig(ImageInfo imageInfo)
		{
			if (imageInfo == null)
			{
				string xmlx = "<Config/>";
				_Xp = new XMLProperties(xmlx); 
				return;
			}
			_ImageInfo = imageInfo;
			string xml = imageInfo.Config;
			if (xml == string.Empty) xml = "<Config/>";
			_Xp = new XMLProperties(xml);
		}
		public ImageConfig()
		{
			string xml = "<Config/>";
			_Xp = new XMLProperties(xml);
		}
		internal string GetValue(string group, string item)
		{
			return _Xp[group, item];
		}
		#endregion
		#region Local Properties
		[Category("Image")]
		[Browsable(false)]
		[DisplayName("DataSize")]
		[RefreshProperties(RefreshProperties.All)]
		[Description("DataSize")]
		public int Image_DataSize		// original size of image data, if it is compressed
		{
			get
			{
				string s = _Xp["Image", "DataSize"];
				if (s == string.Empty) return 0;
				int tst = 0;
				try
				{
					tst = int.Parse(s);
				}
				catch (Exception ex)
				{
					return 0;
				}
				return int.Parse(s);
			}
			set
			{
				string s = _Xp["Image", "DataSize"];
				if (value.ToString() == s) return;
				_Xp["Image", "DataSize"] = value.ToString();
				OnPropertyChanged("Image_DataSize");
			}
		}
		[Category("Image")]
		[Browsable(false)]
		[DisplayName("Width")]
		[RefreshProperties(RefreshProperties.All)]
		[Description("Width")]
		public int Image_Width		// resized image's resized width
		{
			get
			{
				string s = _Xp["Image", "Width"];
				if (s == string.Empty) return 0;
				int tst = 0;
				try
				{
					tst = int.Parse(s);
				}
				catch (Exception ex)
				{
					return 0;
				}
				return int.Parse(s);
			}
			set
			{
				string s = _Xp["Image", "Width"];
				if (value.ToString() == s) return;
				_Xp["Image", "Width"] = value.ToString();
				OnPropertyChanged("Image_Width");
			}
		}
		[Category("Image")]
		[Browsable(false)]
		[DisplayName("Height")]
		[RefreshProperties(RefreshProperties.All)]
		[Description("Height")]
		public int Image_Height		// resized image's resized height
		{
			get
			{
				string s = _Xp["Image", "Height"];
				if (s == string.Empty) return 0;
				int tst = 0;
				try
				{
					tst = int.Parse(s);
				}
				catch (Exception ex)
				{
					return 0;
				}
				return int.Parse(s);
			}
			set
			{
				string s = _Xp["Image", "Height"];
				if (value.ToString() == s) return;
				_Xp["Image", "Height"] = value.ToString();
				OnPropertyChanged("Image_Height");
			}
		}
		#endregion
		#region ToString
		public override string ToString()
		{
			string s = _Xp.ToString();
			if (s == "<Config/>" || s == "<Config></Config>") return string.Empty;
			return s;
		}
		#endregion
	}
}