//
// 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;\r
namespace System.Drawing.Printing {
/// <summary>
/// Summary description for MarginsConverter.
/// </summary>
- public class MarginsConverter {//: ExpandableObjectConverter {
+ public class MarginsConverter : ExpandableObjectConverter {
public MarginsConverter() {
}
#region Methods
-// [MonoTODO]
-// public override bool CanConvertFrom(ITypeDescriptorContext context,Type sourceType) {
-// throw new NotImplementedException ();
-// }
-//
-// [MonoTODO]
-// public override bool CanConvertTo(ITypeDescriptorContext context,Type destinationType) {
-// throw new NotImplementedException ();
-// }
-//
-// [MonoTODO]
-// public override object ConvertFrom(ITypeDescriptorContext context,CultureInfo culture,object value) {
-// throw new NotImplementedException ();
-// }
-//
-// [MonoTODO]
-// public override object ConvertTo(ITypeDescriptorContext context,CultureInfo culture,object value,Type destinationType) {
-// throw new NotImplementedException ();
-// }
-//
-// [MonoTODO]
-// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) {
-// throw new NotImplementedException ();
-// }
-//
-// [MonoTODO]
-// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) {
-// throw new NotImplementedException ();
-// }
+ 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
}
}
projects / mono.git / blobdiff