public override bool TryInvokeMember(InvokeMemberBinder binder, object[] args, out object result)
{
result = null;
switch (binder.Name)
{
case "IsCollection":
{
result = this.Elements.Count() > 0;
return(true);
}
case "GetProperties":
{
result = this.propertiesSource.GetProperties();
return(true);
}
case "GetPropertiesWith":
{
if (args.Length == 2 &&
args[0].GetType() == typeof(String) &&
args[1].GetType() == typeof(String))
{
result = this.propertiesSource.GetProperties(args[0].ToString(), args[1].ToString());
return(true);
}
break;
}
case "GetExtendedPropertyValue":
{
if (args.Length == 2 &&
args[0].GetType() == typeof(String) && //Property Name
args[1].GetType() == typeof(String)) //Extended Property Name
{
result = this.propertiesSource.GetExtendedPropertyValue(args[0].ToString(), args[1].ToString());
return(true);
}
break;
}
case "SetExtendedPropertyValue":
{
if (args.Length == 3 &&
args[0].GetType() == typeof(String) && //Property Name
args[1].GetType() == typeof(String) && //Extended Property Name
args[2].GetType() == typeof(String)) //Extended Property Value
{
result = true;
this.propertiesSource.SetExtendedPropertyValue(args[0].ToString(), args[1].ToString(), args[2].ToString());
return(true);
}
break;
}
case "Import":
{
//Check parameters
if (args.Length == 2 &&
args[0].GetType() == typeof(ConfigElement) &&
args[1].GetType() == typeof(String))
{
var element = Elements.Import(args[0] as ConfigElement, args[1].ToString());
element.Id = args[1].ToString();
cachedElements.Add(args[1].ToString(), element);
result = element;
return(true);
}
break;
}
case "Add":
{
//Check parameters
if (args.Length == 1 &&
args[0].GetType() == typeof(String))
{
var element = Elements.Add(args[0].ToString());
element.Id = args[0].ToString();
cachedElements.Add(args[0].ToString(), element);
result = element;
if (CollectionChanged != null)
{
CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, result));
}
return(true);
}
break;
}
case "Append":
{
//Assumes we are appending to a collection.
if (args.Length == 2 &&
args[0].GetType() == typeof(String) &&
args[1].GetType() == typeof(ConfigElement) &&
!string.IsNullOrEmpty(GetProperty("CollectionOf")))
{
var element = args[1] as ConfigElement;
Elements.Append(args[0].ToString(), element);
element.Id = args[0].ToString();
cachedElements.Add(args[0].ToString(), element);
result = element;
if (CollectionChanged != null)
{
CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, result));
}
return(true);
}
break;
}
case "AddCollection":
{
//Check parameters
if (args.Length == 2 &&
args[0].GetType() == typeof(String) &&
args[1].GetType() == typeof(String) &&
string.IsNullOrEmpty(CollectionOf)) //Dont want to add to a collection level element
{
var collection = Elements.AddCollection(args[0].ToString(), args[1].ToString());
collection.Id = args[0].ToString();
cachedElements.Add(args[0].ToString(), collection);
result = collection;
return(true);
}
break;
}
case "Remove":
{
//Check parameters
if (args.Length == 1 &&
args[0].GetType() == typeof(String))
{
result = Elements.Remove(args[0].ToString());
if (cachedElements.ContainsKey(args[0].ToString()))
{
cachedElements.Remove(args[0].ToString());
}
if (CollectionChanged != null)
{
CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
return(true);
}
break;
}
case "RemoveCollection":
{
//Check parameters
if (args.Length == 1 &&
args[0].GetType() == typeof(String) &&
string.IsNullOrEmpty(CollectionOf)) //Dont want to add to a collection level element
{
if (cachedElements.ContainsKey(args[0].ToString()))
{
cachedElements.Remove(args[0].ToString());
}
result = Elements.RemoveCollection(args[0].ToString());
return(true);
}
break;
}
}
return(false);
}