public SimpleStepNode AttachStep(IStep step)
{
SimpleStepNode newNode = new SimpleStepNode(step);
AttachNode(newNode);
return(newNode);
}
public IStepNode AddStep(IStep step)
{
if (_rootNode == null || _lastSimpleNode != null)
{
SimpleStepNode node = new SimpleStepNode(DecorateStep(step, null, _rootNode == null));
AddNode(node, node);
return(node);
}
return(null);
}
public IStepNode AddStep(IStep step, string progressGroupName)
{
if (_rootNode == null || _lastSimpleNode != null)
{
// Just decorate the step and wrap it in a SimpleStepNode
SimpleStepNode node = new SimpleStepNode(DecorateStep(step, FindGroup(progressGroupName), _rootNode == null));
AddNode(node, node);
return(node);
}
return(null);
}
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;
}
