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