private object GenerateEditableKeyValuePair(object source)
{
var sourceType = source.GetType();
if ((sourceType.GetGenericArguments() == null) || (sourceType.GetGenericArguments().GetLength(0) != 2))
{
return(null);
}
var propInfoKey = sourceType.GetProperty("Key");
var propInfoValue = sourceType.GetProperty("Value");
if ((propInfoKey != null) && (propInfoValue != null))
{
return(ListUtilities.CreateEditableKeyValuePair(propInfoKey.GetValue(source, null)
, sourceType.GetGenericArguments()[0]
, propInfoValue.GetValue(source, null)
, sourceType.GetGenericArguments()[1]));
}
return(null);
}
public void OnItemSourceChanged(IEnumerable oldValue, IEnumerable newValue)
{
if (newValue != null)
{
var dict = newValue as IDictionary;
if (dict != null)
{
// A Dictionary contains KeyValuePair that can't be edited.
// We need to Add EditableKeyValuePairs from DictionaryEntries.
foreach (DictionaryEntry item in dict)
{
var keyType = (item.Key != null)
? item.Key.GetType()
: (dict.GetType().GetGenericArguments().Count() > 0) ? dict.GetType().GetGenericArguments()[0] : typeof(object);
var valueType = (item.Value != null)
? item.Value.GetType()
: (dict.GetType().GetGenericArguments().Count() > 1) ? dict.GetType().GetGenericArguments()[1] : typeof(object);
var editableKeyValuePair = ListUtilities.CreateEditableKeyValuePair(item.Key
, keyType
, item.Value
, valueType);
this.Items.Add(editableKeyValuePair);
}
}
else
{
foreach (var item in newValue)
{
if (item != null)
{
Items.Add(item);
}
}
}
}
}
