private void AddNode(IStepNode node, SimpleStepNode simpleNode)
{
if (_rootNode == null)
{
_rootNode = node;
}
else if (_lastSimpleNode != null)
{
_lastSimpleNode.AttachNode(node);
// HAX: attach the node to the top-level decorator so that Previous works correctly
node.AttachTo(_lastNode);
}
_lastNode = node;
_lastSimpleNode = simpleNode;
}
public void AttachNode(IStepNode node)
{
if (node == null)
{
throw new ArgumentNullException("node cannot be null");
}
// Place the new node in-between this node and the current next node
IStepNode oldNext = _next;
node.AttachTo(this);
if (oldNext != null)
{
oldNext.AttachTo(node);
}
// Link the node to us
_next = node;
}
/// <summary>
/// Connects an IStepNode to one of the IBranchStep's branches.
/// </summary>
/// <param name="branch">The branch to connect to (see the concrete IBranchStep implementation this wraps).</param>
/// <param name="node">The IStepNode that should be jumped to if the branch is selected.</param>
public void ConnectBranch(T branch, IStepNode node)
{
node.AttachTo(this);
_branches[branch] = node;
}