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// <copyright>
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
namespace System.Activities.XamlIntegration
{
using System;
using System.Activities.DynamicUpdate;
using System.ComponentModel;
using System.Globalization;
public class DynamicUpdateMapItemConverter : TypeConverter
{
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
{
return sourceType == typeof(string);
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
string stringValue = value as string;
if (stringValue != null)
{
int result1;
int result2;
string[] strArray = stringValue.Split(new char[] { '.' });
if (strArray.Length == 1)
{
if (int.TryParse(strArray[0], NumberStyles.Integer, culture, out result1))
{
return new DynamicUpdateMapItem(result1);
}
}
else if (strArray.Length == 2)
{
if (int.TryParse(strArray[0], NumberStyles.Integer, culture, out result1) && int.TryParse(strArray[1], NumberStyles.Integer, culture, out result2))
{
return new DynamicUpdateMapItem(result1, result2);
}
}
}
return base.ConvertFrom(context, culture, value);
}
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
return destinationType == typeof(string);
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
DynamicUpdateMapItem objectInfo = value as DynamicUpdateMapItem;
if (destinationType == typeof(string) && objectInfo != null)
{
if (objectInfo.IsVariableMapItem)
{
// MapItem for Variable is converted to a string with its owner Id plus the variable index delimeted by "."
// Assumption: No culture uses "." in its Int32 string representation
return objectInfo.OriginalVariableOwnerId.ToString(culture) + "." + objectInfo.OriginalId.ToString(culture);
}
return objectInfo.OriginalId.ToString(culture);
}
return base.ConvertTo(context, culture, value, destinationType);
}
}
}
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