/// <summary>
/// Deletes the connection by deleting all its Connectors, InterNodes
/// and also removing the Logic References (Previous/Next) from the respective connection's LogicElements : Start and End
/// </summary>
/// <param name="connection"></param>
internal void RemoveConnection(Connection connection)
{
if (connection != null)
{
connection.Connectors.ForEach(x => this.Connectors.Remove(x));
connection.InterNodes.ForEach(x => this.InterNodes.Remove(x));
if(connection.Start != null)(connection.Start as LogicElement).Next.Remove(connection.End as LogicElement);
if(connection.End != null)(connection.End as LogicElement).Previous.Remove(connection.Start as LogicElement);
if (Connections.Contains(connection)) Connections.Remove(connection);
}
}
public void CreateNewConnection()
{
// Create a new interNode that will be previewed as the SelectedObject
var newInterNode = new InterNode()
{
Name = "InterNode" + (InterNodes.Count + 1),
IsNew = true
};
InterNodes.Add(newInterNode);
SelectedObject = newInterNode;
// Create a connector that will be referenced as interConnector and connect the PreviousObject with the new Internode
var connector = new Connector()
{
Name = "Connector" + (Connectors.Count + 1),
IsNew = true,
};
Connectors.Add(connector);
interConnector = connector;
interConnector.Start = PreviousObject;
// We only create a logic connection if it is starting from a Logic Element
// Because if the PreviousObject is not a logic element, that means it is an interNode
// and we're still building a connection.
if (PreviousObject is LogicElement)
{
newConnection = new Connection();
Connections.Add(newConnection);
newConnection.Start = PreviousObject as LogicElement;
newConnection.Connectors.Add(connector);
}
}