private NodeRoot GetNodeRoot(NodeValue nodeValue)
{
NodeRoot nodeRoot = null;
switch (nodeValue.NodeType)
{
case NodeType.Select: // 选择节点
nodeRoot = new NodeSelect();
break;
case NodeType.Sequence: // 顺序节点
nodeRoot = new NodeSequence();
break;
case NodeType.Decorator: // 修饰节点
nodeRoot = new NodeDecorator();
break;
case NodeType.Random: // 随机节点
nodeRoot = new NodeRandom();
break;
case NodeType.Parallel: // 并行节点
nodeRoot = new NodeParallel();
break;
case NodeType.Condition: // 条件节点
nodeRoot = GetLeafNode(nodeValue);
break;
case NodeType.Action: // 行为节点
nodeRoot = GetLeafNode(nodeValue);
break;
}
return(nodeRoot);
}
/// <summary>
/// Initializes the graph instance, setting default styles
/// and creating a small sample graph.
/// </summary>
protected virtual void InitializeGraph()
{
// create the manager for the folding operations
FoldingManager foldingManager = new FoldingManager();
// create a view
foldingView = foldingManager.CreateFoldingView();
// and set it to the GraphControl
graphControl.Graph = foldingView.Graph;
// decorate the behavior of nodes
NodeDecorator nodeDecorator = graphControl.Graph.GetDecorator().NodeDecorator;
// adjust the insets so that labels are considered
nodeDecorator.InsetsProviderDecorator.SetImplementationWrapper(
delegate(INode node, INodeInsetsProvider insetsProvider) {
if (insetsProvider != null)
{
InsetsD insets = insetsProvider.GetInsets(node);
return(new LabelInsetsProvider(insets));
}
else
{
return(new LabelInsetsProvider());
}
});
//Constrain group nodes to at least the size of their labels
nodeDecorator.SizeConstraintProviderDecorator.SetImplementationWrapper(
(node, oldImpl) => new LabelSizeConstraintProvider(oldImpl));
fixedGroupNodeLayout = graphControl.Graph.MapperRegistry.CreateMapper <INode, RectD?>("NodeLayouts");
ReadSampleGraph();
incrementalNodes.UnionWith(graphControl.Graph.Nodes);
}
