Merge pull request #17 from MichaelTheShifter/shiftui_integration

Shiftui integration

1 files changed, 125 insertions, 0 deletions

diff --git a/source/ShiftUI/Internal/PaddingConverter.cs b/source/ShiftUI/Internal/PaddingConverter.cs
new file mode 100644
index 0000000..447f65d
--- /dev/null
+++ b/source/ShiftUI/Internal/PaddingConverter.cs
@@ -0,0 +1,125 @@
+// 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.
+//
+// Copyright (c) 2007 Novell, Inc.
+//
+
+using System.ComponentModel;
+using System.Collections;
+using System.Reflection;
+using System.Globalization;
+using System.ComponentModel.Design.Serialization; // e.g. InstanceDescriptor
+using System;
+
+namespace ShiftUI
+{
+	public class PaddingConverter : TypeConverter
+	{
+		public PaddingConverter ()
+		{
+		}
+
+		#region Public Instance Methods
+		public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
+		{
+			if (sourceType == typeof (string))
+				return true;
+				
+			return false;
+		}
+
+		public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
+		{
+			if (destinationType == typeof (string))
+				return true;
+			else if (destinationType == typeof(InstanceDescriptor))
+				return true;
+
+			return false;
+		}
+
+		public override object ConvertFrom (ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
+		{
+			if ((value == null) || !(value is String))
+				return base.ConvertFrom (context, culture, value);
+
+			if (culture == null)
+				culture = CultureInfo.CurrentCulture;
+
+			string[] parts = ((string)value).Split (culture.TextInfo.ListSeparator.ToCharArray ());
+
+			return new Padding (int.Parse (parts[0].Trim ()), int.Parse (parts[1].Trim ()), int.Parse (parts[2].Trim ()), int.Parse (parts[3].Trim ()));
+		}
+
+		public override object ConvertTo (ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
+		{
+			if (value is Padding) {
+				Padding p = (Padding)value;
+				if (destinationType == typeof (string)) {
+					if (culture == null)
+						culture = CultureInfo.CurrentCulture;
+					return string.Format ("{0}{4} {1}{4} {2}{4} {3}", p.Left, p.Top, p.Right, p.Bottom, culture.TextInfo.ListSeparator);
+				} else if (destinationType == typeof (InstanceDescriptor)) {
+					Type[] types;
+					Object[] values;
+					if (p.All != -1) {
+						types = new Type[] { typeof(int) };
+						values = new Object[] { p.All };
+					} else {
+						types = new Type[] { typeof(int), typeof(int), typeof(int), typeof(int) };
+						values = new Object[] { p.Left, p.Top, p.Right, p.Bottom };
+					}
+					ConstructorInfo ci = typeof(Padding).GetConstructor (types);
+					return new InstanceDescriptor (ci, values);
+				}
+			}
+			return base.ConvertTo (context, culture, value, destinationType);
+		}
+
+		public override object CreateInstance (ITypeDescriptorContext context, IDictionary propertyValues)
+		{
+			if (propertyValues == null)
+				throw new ArgumentNullException ("propertyValues");
+			if (context == null)
+				throw new ArgumentNullException ("context");
+
+			Padding old = (Padding)context.PropertyDescriptor.GetValue (context.Instance);
+			if (old.All == (int)propertyValues["All"])
+				return new Padding ((int)propertyValues["Left"], (int)propertyValues["Top"], (int)propertyValues["Right"], (int)propertyValues["Bottom"]);
+			else
+				return new Padding ((int)propertyValues["All"]);
+		}
+		
+		public override bool GetCreateInstanceSupported (ITypeDescriptorContext context)
+		{
+			return true;
+		}
+
+		public override PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context, object value, Attribute[] attributes)
+		{
+			return TypeDescriptor.GetProperties (typeof (Padding), attributes);
+		}
+		
+		public override bool GetPropertiesSupported (ITypeDescriptorContext context)
+		{
+			return true;
+		}
+		#endregion
+	}
+}