2 // System.Drawing.PointConverter.cs
5 // Dennis Hayes (dennish@Raytek.com)
6 // Ravindra (rkumar@novell.com)
8 // Copyright (C) 2002 Ximian, Inc. http://www.ximian.com
10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Collections;
34 using System.ComponentModel;
35 using System.Globalization;
36 using System.ComponentModel.Design.Serialization;
37 using System.Reflection;
39 namespace System.Drawing
42 /// Summary description for PointConverter.
44 public class PointConverter : TypeConverter
46 public PointConverter() { }
48 public override bool CanConvertFrom (ITypeDescriptorContext context,
51 if (sourceType == typeof (string))
54 return base.CanConvertFrom (context, sourceType);
57 public override bool CanConvertTo (ITypeDescriptorContext context,
60 if (destinationType == typeof (string))
63 if (destinationType == typeof (InstanceDescriptor))
66 return base.CanConvertTo (context, destinationType);
69 public override object ConvertFrom (ITypeDescriptorContext context,
73 string s = value as string;
75 return base.ConvertFrom (context, culture, value);
77 string [] subs = s.Split (culture.TextInfo.ListSeparator.ToCharArray ());
79 Int32Converter converter = new Int32Converter ();
80 int[] numSubs = new int[subs.Length];
81 for (int i = 0; i < numSubs.Length; i++) {
82 numSubs[i] = (int) converter.ConvertFromString (context, culture, subs[i]);
86 throw new ArgumentException ("Failed to parse Text(" + s + ") expected text in the format \"x, y.\"");
88 return new Point (numSubs[0], numSubs[1]);
91 public override object ConvertTo (ITypeDescriptorContext context,
96 // LAMESPEC: "The default implementation calls the object's
97 // ToString method if the object is valid and if the destination
98 // type is string." MS does not behave as per the specs.
99 // Oh well, we have to be compatible with MS.
100 if ((destinationType == typeof (string)) && (value is Point))
101 return ((Point) value).X.ToString(culture) + culture.TextInfo.ListSeparator
102 + " " + ((Point) value).Y.ToString(culture);
104 if (destinationType == typeof (InstanceDescriptor) && value is Point) {
105 Point c = (Point)value;
106 ConstructorInfo ctor = typeof(Point).GetConstructor (new Type[] {typeof(int), typeof(int)} );
107 return new InstanceDescriptor (ctor, new object[] {c.X, c.Y });
110 return base.ConvertTo (context, culture, value, destinationType);
113 public override object CreateInstance (ITypeDescriptorContext context,
114 IDictionary propertyValues)
116 int x = (int) propertyValues ["X"];
117 int y = (int) propertyValues ["Y"];
119 return new Point (x, y);
123 public override bool GetCreateInstanceSupported (ITypeDescriptorContext context)
128 public override PropertyDescriptorCollection GetProperties (
129 ITypeDescriptorContext context,
130 object value, Attribute[] attributes)
133 return TypeDescriptor.GetProperties (value, attributes);
135 return base.GetProperties (context, value, attributes);
138 public override bool GetPropertiesSupported (ITypeDescriptorContext context)