1 files changed, 137 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing.Printing/MarginsConverter.cs b/mcs/class/System.Drawing/System.Drawing.Printing/MarginsConverter.cs
new file mode 100644
index 00000000000..c437a1c4b68
--- /dev/null
+++ b/mcs/class/System.Drawing/System.Drawing.Printing/MarginsConverter.cs
@@ -0,0 +1,137 @@
+//
+// System.Drawing.MarginsConverter.cs
+//
+// Author:
+//   Dennis Hayes (dennish@Raytek.com)
+//   Herve Poussineau (hpoussineau@fr.st)
+//
+// (C) 2002 Ximian, Inc
+//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// 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.
+//
+using System;
+using System.ComponentModel;
+using System.Globalization;
+using System.Text.RegularExpressions;
+using System.ComponentModel.Design.Serialization;
+using System.Reflection;
+
+namespace System.Drawing.Printing {
+	/// <summary>
+	/// Summary description for MarginsConverter.
+	/// </summary>
+	public class MarginsConverter : ExpandableObjectConverter {
+		public MarginsConverter() {
+		}
+		#region Methods
+		public override bool CanConvertFrom(ITypeDescriptorContext context,Type sourceType) {
+			if (sourceType == typeof(string))
+				return true;
+			
+			return base.CanConvertFrom(context, sourceType);
+		}
+		
+		public override bool CanConvertTo(ITypeDescriptorContext context,Type destinationType) {
+			if (destinationType == typeof(string))
+				return true;
+			
+			if (destinationType == typeof (InstanceDescriptor))
+				return true;
+
+			return base.CanConvertTo(context, destinationType);
+		}
+		
+		public override object ConvertFrom(ITypeDescriptorContext context,CultureInfo culture,object value) {
+			if (value is string)
+			{
+				if (value == null)
+					return new Margins();
+				
+				// format [left];[right];[top];[bottom]
+				string separator = @"( |\t)*";
+				separator = separator + ";" + separator;
+				string regex = @"(?<left>\d+)" + separator + @"(?<right>\d+)" + separator + @"(?<top>\d+)" + separator + @"(?<bottom>\d+)";
+				
+				Match match = new Regex(regex).Match(value as string);
+				if (!match.Success)
+					throw new ArgumentException("value");
+				
+				int left, right, top, bottom;
+				try
+				{
+					left = int.Parse(match.Groups["left"].Value);
+					right = int.Parse(match.Groups["right"].Value);
+					top = int.Parse(match.Groups["top"].Value);
+					bottom = int.Parse(match.Groups["bottom"].Value);
+				}
+				catch (Exception e)
+				{
+					throw new ArgumentException("value", e);
+				}
+				return new Margins(left, right, top, bottom);
+			} else
+				return base.ConvertFrom(context, culture, value);
+		}
+		
+		public override object ConvertTo(ITypeDescriptorContext context,CultureInfo culture,object value,Type destinationType) {
+			if (destinationType == typeof(string) && value is Margins)
+			{
+				Margins source = value as Margins;
+				string ret = "{0}; {1}; {2}; {3}";
+				return String.Format(ret, source.Left, source.Right, source.Top, source.Bottom);
+			}
+			if (destinationType == typeof (InstanceDescriptor) && value is Margins) {
+				Margins c = (Margins) value;
+				ConstructorInfo ctor = typeof(Margins).GetConstructor (new Type[] {typeof(int), typeof(int), typeof(int), typeof(int)} );
+				return new InstanceDescriptor (ctor, new object[] {c.Left, c.Right, c.Top, c.Bottom});
+			}
+
+			return base.ConvertTo(context, culture, value, destinationType);
+		}
+		
+		public override bool GetCreateInstanceSupported(ITypeDescriptorContext context)
+		{
+			return true;
+		}
+		
+		public override object CreateInstance(ITypeDescriptorContext context, System.Collections.IDictionary propertyValues)
+		{
+			try
+			{
+				Margins margins = new Margins();
+				margins.Left = int.Parse(propertyValues["Left"].ToString());
+				margins.Right = int.Parse(propertyValues["Right"].ToString());
+				margins.Top = int.Parse(propertyValues["Top"].ToString());
+				margins.Bottom = int.Parse(propertyValues["Bottom"].ToString());
+				return margins;
+			}
+			catch (Exception)
+			{
+				// in case of error, return null
+				return null;
+			}
+		}
+		#endregion
+	}
+}