/// <summary>
/// Value converter for ElementSize type.
/// </summary>
public override ConversionResult Convert(object value, ValueConverterContext context)
{
if (value == null)
{
return(base.Convert(value, context));
}
Type valueType = value.GetType();
if (valueType == _type)
{
return(base.Convert(value, context));
}
else if (valueType == _stringType)
{
var stringValue = (string)value;
try
{
var convertedValue = ElementSize.Parse(stringValue, context.UnitSize);
return(new ConversionResult(convertedValue));
}
catch (Exception e)
{
return(ConversionFailed(value, e));
}
}
return(ConversionFailed(value));
}
/// <summary>
/// Value converter for Margin type.
/// </summary>
public override ConversionResult Convert(object value, ValueConverterContext context)
{
if (value == null)
{
return(base.Convert(value, context));
}
Type valueType = value.GetType();
if (valueType == _type)
{
return(base.Convert(value, context));
}
else if (valueType == _stringType)
{
var stringValue = (string)value;
try
{
string[] valueList;
valueList = stringValue.Split(',').ToArray();
ElementMargin convertedValue = null;
if (valueList.Length == 1)
{
convertedValue = new ElementMargin(ElementSize.Parse(valueList[0], context.UnitSize));
}
else if (valueList.Length == 2)
{
convertedValue = new ElementMargin(
ElementSize.Parse(valueList[0], context.UnitSize),
ElementSize.Parse(valueList[1], context.UnitSize));
}
else if (valueList.Length == 3)
{
convertedValue = new ElementMargin(
ElementSize.Parse(valueList[0], context.UnitSize),
ElementSize.Parse(valueList[1], context.UnitSize),
ElementSize.Parse(valueList[2], context.UnitSize));
}
else if (valueList.Length == 4)
{
convertedValue = new ElementMargin(
ElementSize.Parse(valueList[0], context.UnitSize),
ElementSize.Parse(valueList[1], context.UnitSize),
ElementSize.Parse(valueList[2], context.UnitSize),
ElementSize.Parse(valueList[3], context.UnitSize));
}
else
{
return(StringConversionFailed(value));
}
return(new ConversionResult(convertedValue));
}
catch (Exception e)
{
return(ConversionFailed(value, e));
}
}
else
{
// attempt to convert using system type converter
try
{
var convertedValue = System.Convert.ToInt32(value, CultureInfo.InvariantCulture);
return(new ConversionResult(convertedValue));
}
catch (Exception e)
{
return(ConversionFailed(value, e));
}
}
}
