2011-11-15 22:31:20 +00:00

62 lines
2.3 KiB
C#

using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Reflection;
namespace ANX.Framework.Design
{
public class Vector2Converter : MathTypeConverter
{
public Vector2Converter()
{
base.propertyDescriptions = MathTypeConverter.CreateFieldDescriptor<Vector2>("X", "Y");
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
float[] values = MathTypeConverter.ConvertFromString<float>(context, culture, value as String);
if (values != null && values.Length == 2)
{
return new Vector2(values[0], values[1]);
}
return base.ConvertFrom(context, culture, value);
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
if (value is Vector2)
{
Vector2 vecValue = (Vector2)value;
if (destinationType == typeof(string))
{
return MathTypeConverter.ConvertToString<float>(context, culture, new float[] { vecValue.X, vecValue.Y });
}
if (destinationType == typeof(InstanceDescriptor))
{
var constructor = typeof(Vector2).GetConstructor(new Type[] { typeof(float), typeof(float) });
return new InstanceDescriptor(constructor, new object[] { vecValue.X, vecValue.Y });
}
}
return base.ConvertTo(context, culture, value, destinationType);
}
public override object CreateInstance(ITypeDescriptorContext context, IDictionary propertyValues)
{
if (propertyValues == null)
{
throw new ArgumentNullException("propertyValues");
}
return new Vector2((float)propertyValues["X"], (float)propertyValues["Y"]);
}
}
}