/// <summary>
/// Handles removing the created connections when the operation is cancelled
/// </summary>
protected override void OnCancelled()
{
foreach (Connector connector in newConnections)
{
NodeEditor.RemoveConnector(connector);
}
}
/// <summary>
/// Handles checking for clicked nodes
/// </summary>
public override void BeforeEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (Event.current.IsLeftClickEvent())
{
Node selectedNode = NodeEditor.GetNodeUnderMouse();
if (selectedNode == null || !IsNodeValid(selectedNode))
{
return;
}
MakeConnection(selectedNode);
}
else if (Event.current.IsRightClickEvent())
{
if (startNode != null)
{
NodeEditor.RemoveConnector(connection);
startNode = null;
connection = null;
}
}
}
/// <summary>
/// Aborts the active transition
/// </summary>
protected override void OnCancelled()
{
if (startNode != null)
{
NodeEditor.RemoveNode(startNode);
NodeEditor.RemoveConnector(connection);
}
}
/// <summary>
/// Checks for a destination node to attach the active connections to
/// </summary>
public override void BeforeEditorEvents()
{
if (!IsActivated)
{
return;
}
if (Event.current.IsRightClickEvent())
{
Cancel();
return;
}
NodeEditor.FlagRepaint();
if (!Event.current.IsLeftClickEvent())
{
return;
}
Node selectedNode = NodeEditor.GetNodeUnderMouse();
if (!IsNodeValid(selectedNode))
{
return;
}
for (int i = 0; i < newConnections.Count; i++)
{
Connector connector = newConnections[i];
if (!IsConnectionValid(connector.GetStartNode(), selectedNode))
{
NodeEditor.RemoveConnector(connector);
newConnections.RemoveAt(i);
continue;
}
connector.RemoveNode(NodeEditor.MouseNode);
connector.AddNode(selectedNode);
}
if (newConnections.Count > 0)
{
RaiseOnConnectionsFinalized(newConnections);
}
Deactivate();
}
