/// <summary>
/// Registers type converter for <see cref="DataObject"/> with <see cref="DataObject.Type"/> equal to <paramref name="typeid"/>
/// this type will be use as parameter for <see cref="TypeConverterAttribute"/> which is used by WindowsForms PropertyGrid
/// </summary>
/// <typeparam name="TEditor"></typeparam>
/// <param name="typeid"></param>
public static void RegisterConverter <TConverter>(string typeid)
where TConverter : TypeConverter
{
var dataobj = DataObjectFactory.GetPropertyObject(typeid);
if (dataobj is null)
{
return;
}
var type = dataobj.GetType();
if (converterMapping.ContainsKey(type))
{
converterMapping[type] = typeof(TConverter);
}
else
{
converterMapping.Add(type, typeof(TConverter));
}
}
/// <summary>
/// Implementation for <see cref="DataObject.ReadXmlElement(string, XmlReader)"/>
/// </summary>
/// <param name="elementName"></param>
/// <param name="reader"></param>
/// <returns></returns>
protected override bool ReadXmlElement(string elementName, XmlReader reader)
{
// call base implementation
if (base.ReadXmlElement(elementName, reader))
{
return(true);
}
/// Read underlying type for <see cref="ContainerDataObject"/> created from CLR objects
if (elementName == nameof(TypeInfo))
{
ObjectType = reader.ReadObjectXml <TypeInfo>();
return(true);
}
/// Read <see cref="DataObject"/> implementation
else
{
if (DataObjectFactory.GetPropertyObject(reader.GetAttribute(TYPE_ID_ATTRIBUTE)) is DataObject obj)
{
using (var newReader = XmlReader.Create(new StringReader(reader.ReadOuterXml())))
{
newReader.Read();
obj.ReadXml(newReader);
if (obj.Type != DataObjectType.NotSupported)
{
_container.Add(obj);
}
}
return(true);
}
}
return(false);
}
/// <summary>
/// Implementation for <see cref="DataObject.ReadXmlElement(string, XmlReader)"/>
/// </summary>
/// <param name="elementName"></param>
/// <param name="reader"></param>
/// <returns></returns>
protected override bool ReadXmlElement(string elementName, XmlReader reader)
{
// call base
if (base.ReadXmlElement(elementName, reader))
{
return(true);
}
/// Read DataObject implementation
if (elementName == ContainerDataObject.DC_START_ELEMENT_NAME)
{
var obj = DataObjectFactory.GetPropertyObject("dc");
if (obj != null)
{
using (var newReader = XmlReader.Create(new StringReader(reader.ReadOuterXml())))
{
newReader.Read();
obj.ReadXml(newReader);
readingHelper.Add(obj);
}
}
return(true);
}
/// Read type info
else if (elementName == nameof(TypeInfo))
{
CollectionType = reader.ReadObjectXml <TypeInfo>();
return(true);
}
return(false);
}
/// <summary>
/// Implementation for <see cref="DataContainerBase.GetUnitializedDataObject(string)"/>
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
protected override DataObject GetUnitializedDataObject(string type)
{
return(DataObjectFactory.GetPropertyObject(type));
}
