/// <summary>
/// Checks if a node can be adopted by this one.
/// </summary>
/// <param name="child">The node we want to adopt.</param>
/// <returns>Returns true if this node can adopt the given child.</returns>
public bool CanAdoptNode(Node child)
{
Connector connector = GetConnector(child.ParentConnector.Identifier);
if (connector == null)
{
connector = _defaultConnector;
}
return(connector != null && connector.AcceptsChildren(1));
}
/// <summary>
/// Checks if the children of a node can be adopted by this one.
/// </summary>
/// <param name="node">The node we want to adopt its children.</param>
/// <returns>Returns true if this node can adopt the children of the given node.</returns>
public bool CanAdoptChildren(BaseNode node)
{
foreach (Connector connector in node.Connectors)
{
if (connector.ChildCount > 0)
{
// Get the connector to adapt those children
Connector conn = GetConnector(connector.Identifier);
// Check if this connector accepts those children
if (conn == null || !conn.AcceptsChildren(connector))
{
return(false);
}
}
}
return(true);
}
public bool CanAdoptChildren(BaseNode parentNode)
{
foreach (Connector parentConn in parentNode.Connectors)
{
if (parentConn.ChildCount > 0)
{
// check if we have a connector to adapt those children
Connector conn = GetConnector(parentConn.Identifier);
if (conn == null)
{
return(false);
}
// check if this connector accepts those children
if (!conn.AcceptsChildren(parentConn))
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Add a new child node.
/// </summary>
/// <param name="connector">The connector the node will be added to. Use null for default connector.</param>
/// <param name="node">The node you want to append.</param>
/// <param name="index">The index of the new node.</param>
/// <returns>Returns true if the child could be added.</returns>
public virtual bool AddChild(Connector connector, Node node, int index)
{
Debug.Check(connector !=null && _children.HasConnector(connector));
if(!connector.AcceptsChildren(1))
throw new Exception(Resources.ExceptionNodeHasTooManyChildren);
if(!connector.AddChild(node, index))
return false;
node._parent= this;
BehaviorWasModified();
return true;
}