/// <summary>
/// Initializes a new instance of a NodeConnector with the passed parameters.
/// </summary>
/// <param name="_label">In the node shown name of the connector.</param>
/// <param name="_type">Determines if it's an input or an output connector</param>
/// <param name="_parentNode">Node which contains this new NodeConnector.</param>
/// <param name="_allowedNodeType">Type of node which is allowed to connector to this connector. If you want all nodes of a base type to be allowed use EVENT, ACTION or PARAM</param>
/// <param name="_allowedConnectionCount">Number of allowed connections to this node</param>
public NodeConnector(string _label, NodeConnectorType _type, Node _parentNode, NodeType _allowedNodeType, int _positionIndex, int _allowedConnectionCount = 1)
{
InitializeComponent();
Debug.Assert(_type != NodeConnectorType.NONE); //A node connector can't have NONE as type. It must be either an input or an output connector
type = _type;
ParentNode = _parentNode;
allowedNodeType = _allowedNodeType;
allowedConnectionCount = _allowedConnectionCount;
positionIndex = _positionIndex;
ellipse.Fill = type == NodeConnectorType.INPUT ? Brushes.Aqua : Brushes.IndianRed;
ellipse.AllowDrop = true;
if (Node.GetSuperiorType(allowedNodeType) != NodeType.NONE)
{
ToolTip toolTip = new ToolTip()
{
Content = "Right click for creation of corresponding node."
};
ellipse.ToolTip = toolTip;
}
label.Content = _label;
if (type == NodeConnectorType.PARAM)
{
HorizontalAlignment = HorizontalAlignment.Center;
label.HorizontalAlignment = HorizontalAlignment.Center;
Grid.SetRow(ellipse, 1);
}
else
{
//If it's an input connector the ellipse must be first element respectively the element on the left
ellipse.SetValue(Grid.ColumnProperty, type == NodeConnectorType.INPUT ? 0 : 1);
label.SetValue(Grid.ColumnProperty, type == NodeConnectorType.INPUT ? 1 : 0);
}
connectedNodeConnectors = new List <NodeConnector>();
}
private static void RaiseNodeConnectorSelected( NodeGUIBase node, int connectorIndex, NodeConnectorType connectorType )
{
if ( OnNodeConnectorSelected != null )
{
OnNodeConnectorSelected( node, connectorIndex, connectorType );
}
}