/// <summary>
/// Decides if this pin can be connected to a target pin
/// </summary>
/// <param name="targetConnectorViewModel">Target pin's view model</param>
/// <returns>True if successfull</returns>
public override bool CanConnectTo(ConnectorViewModel targetConnectorViewModel)
{
var otherDataConnectorViewModel = targetConnectorViewModel as DataConnectorViewModel;
// if the target is null or has the same parent as me
if (otherDataConnectorViewModel == null || otherDataConnectorViewModel.Parent == this.Parent)
{
return(false);
}
if (this.PinDirection == PinDirectionDefinition.In && otherDataConnectorViewModel.PinDirection == PinDirectionDefinition.In ||
(this.PinDirection == PinDirectionDefinition.Out && otherDataConnectorViewModel.PinDirection == PinDirectionDefinition.Out))
{
return(false);
}
if (DataConnectorType != null)
{
if (otherDataConnectorViewModel.DataConnectorType.IsAssignableFrom(DataConnectorType) ||
DataConnectorType == typeof(object))
{
return(true);
}
}
else
{
if (AllowedTypes.Contains(otherDataConnectorViewModel.DataConnectorType.Name))
{
// call parent node to update connector types
ParentViewModel.UpdateDataTypes(otherDataConnectorViewModel.DataConnectorType);
return(true);
}
}
return(false);
}
