[winforms] Style
[mono.git] / mcs / class / System.Drawing / System.Drawing / SizeConverter.cs
index f195ccb1a87ca8dca4fbe9f68892ee7b07f422ca..ba8d266cac454af73fc51306aa2103ed28c063c7 100644 (file)
-//\r
-// System.Drawing.SizeConverter.cs\r
-//\r
-// Authors:\r
-//     Dennis Hayes (dennish@Raytek.com)\r
-//     Gonzalo Paniagua Javier (gonzalo@ximian.com)\r
-//\r
-// (C) 2002 Ximian, Inc\r
-// (C) 2003 Novell, Inc. (http://www.novell.com)\r
-//\r
-using System;\r
-using System.ComponentModel;\r
-using System.Globalization;\r
-\r
-namespace System.Drawing\r
-{\r
-       /// <summary>\r
-       /// Summary description for SizeConverter.\r
-       /// </summary>\r
-       public class SizeConverter : TypeConverter\r
-       {\r
-               public SizeConverter()\r
-               {\r
-               }\r
-\r
-               public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)\r
-               {\r
-                       if (sourceType == typeof (string))\r
-                               return true;\r
-\r
-                       return base.CanConvertFrom (context, sourceType);\r
-               }\r
-\r
-               [MonoTODO]\r
-               public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)\r
-               {\r
-                       throw new NotImplementedException ();\r
-               }\r
-\r
-               public override object ConvertFrom (ITypeDescriptorContext context,\r
-                                                   CultureInfo culture,\r
-                                                   object value)\r
-               {\r
-                       string s = value as string;\r
-                       if (s == null)\r
-                               return base.ConvertFrom (context, culture, value);\r
-\r
-                       string [] subs = s.Split (',');\r
-                       if (subs.Length != 2)\r
-                               throw new ArgumentException ("Error parsing " + s + " as Size", "value");\r
-\r
-                       try {\r
-                               int width = Int32.Parse (subs [0]);\r
-                               int height = Int32.Parse (subs [1]);\r
-                               return new Size (width, height);\r
-                       } catch {\r
-                               throw new ArgumentException ("Error parsing " + s + " as Size", "value");\r
-                       }\r
-               }\r
-\r
-               [MonoTODO]\r
-               public override object ConvertTo (ITypeDescriptorContext context,\r
-                                                 CultureInfo culture,\r
-                                                 object value,\r
-                                                 Type destinationType)\r
-               {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-}\r
-\r
+//
+// System.Drawing.SizeConverter.cs
+//
+// Authors:
+//     Dennis Hayes (dennish@Raytek.com)
+//     Gonzalo Paniagua Javier (gonzalo@ximian.com)
+//     Ravindra (rkumar@novell.com)
+//
+// Copyright (C) 2002 Ximian, Inc. http://www.ximian.com
+// Copyright (C) 2003,2004,2006,2008 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.Collections;
+using System.ComponentModel;
+using System.Globalization;
+using System.ComponentModel.Design.Serialization;
+using System.Reflection;
+
+namespace System.Drawing {
+
+       public class SizeConverter : TypeConverter
+       {
+               public SizeConverter()
+               {
+               }
+
+               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 (culture == null)
+                               culture = CultureInfo.CurrentCulture;
+                       string s = value as string;
+                       if (s == null)
+                               return base.ConvertFrom (context, culture, value);
+
+                       string[] subs = s.Split (culture.TextInfo.ListSeparator.ToCharArray ());
+
+                       Int32Converter converter = new Int32Converter ();
+                       int[] numSubs = new int[subs.Length];
+                       for (int i = 0; i < numSubs.Length; i++) {
+                               numSubs[i] = (int) converter.ConvertFromString (context, culture, subs[i]);
+                       }
+
+                       if (subs.Length != 2)
+                               throw new ArgumentException ("Failed to parse Text(" + s + ") expected text in the format \"Width,Height.\"");
+
+                       return new Size (numSubs[0], numSubs[1]);
+               }
+
+               public override object ConvertTo (ITypeDescriptorContext context,
+                                                 CultureInfo culture,
+                                                 object value,
+                                                 Type destinationType)
+               {
+                       if (culture == null)
+                               culture = CultureInfo.CurrentCulture;
+                       // LAMESPEC: "The default implementation calls the ToString method
+                       // of the object if the object is valid and if the destination
+                       // type is string." MS does not behave as per the specs.
+                       // Oh well, we have to be compatible with MS.
+                       if (value is Size) {
+                               Size size = (Size) value;
+                               if (destinationType == typeof (string)) {
+                                       return size.Width.ToString (culture) + culture.TextInfo.ListSeparator 
+                                               + " " + size.Height.ToString (culture);
+                               } else if (destinationType == typeof (InstanceDescriptor)) {
+                                       ConstructorInfo ctor = typeof(Size).GetConstructor (new Type[] {typeof(int), typeof(int)});
+                                       return new InstanceDescriptor (ctor, new object[] { size.Width, size.Height });
+                               }
+                       }
+                       
+                       return base.ConvertTo (context, culture, value, destinationType);
+               }
+
+               public override object CreateInstance (ITypeDescriptorContext context,
+                                                      IDictionary propertyValues)
+               {
+#if NET_2_0
+                       object ow = propertyValues ["Width"];
+                       object oh = propertyValues ["Height"];
+                       if ((ow == null) || (oh == null))
+                               throw new ArgumentException ("propertyValues");
+
+                       int width = (int) ow;
+                       int height = (int) oh;
+#else
+                       int width = (int) propertyValues ["Width"];
+                       int height = (int) propertyValues ["Height"];
+#endif
+                       return new Size (width, height);
+               }
+
+               public override bool GetCreateInstanceSupported (ITypeDescriptorContext context)
+               {
+                       return true;
+               }
+
+               public override PropertyDescriptorCollection GetProperties (
+                                                       ITypeDescriptorContext context,
+                                                       object value, Attribute[] attributes)
+               {
+                       if (value is Size)
+                               return TypeDescriptor.GetProperties (value, attributes);
+
+                       return base.GetProperties (context, value, attributes);
+               }
+               
+               public override bool GetPropertiesSupported (ITypeDescriptorContext context)
+               {
+                       return true;
+               }
+       }
+}