--- a/src/treecms/proto/edit/EditableNodeAPITreeBuilder.java	Sun Aug 29 12:07:03 2010 +0900
+++ b/src/treecms/proto/edit/EditableNodeAPITreeBuilder.java	Sun Aug 29 20:46:21 2010 +0900
@@ -1,18 +1,42 @@
 package treecms.proto.edit;
 
+import java.util.LinkedList;
 import java.util.List;
 import java.util.UUID;
 
 import treecms.proto.api.NodeAPI;
 import treecms.proto.api.NodeAPITreeBuilder;
+import treecms.proto.test.PreOrderTreeWalkerRecursive;
 
 public class EditableNodeAPITreeBuilder implements NodeAPITreeBuilder
 {
 	private NodeAPITreeBuilder m_builder;
+	private NodeAPI m_newRoot;
+	private NodeAPI m_oldRoot;
 	
-	public EditableNodeAPITreeBuilder(NodeAPITreeBuilder _builder)
+	public EditableNodeAPITreeBuilder(NodeAPI _target,NodeAPITreeBuilder _builder)
 	{
 		m_builder = _builder;
+		m_newRoot = m_builder.createNode();
+		
+		//search path
+		m_oldRoot = _builder.getContents();
+		Iterable<NodeAPI> itr = new PreOrderTreeWalkerRecursive(m_oldRoot);
+		
+		LinkedList<NodeAPI> reverse = new LinkedList<NodeAPI>();
+		for(NodeAPI child : itr){
+			reverse.addFirst(child);
+		}
+		
+		LinkedList<NodeAPI> path = new LinkedList<NodeAPI>();
+		NodeAPI target = _target;
+		for(NodeAPI node : reverse){
+			if(node.isChild(target)){
+				path.addFirst(target);
+				target = node;
+			}
+		}
+		
 	}
 
 	@Override

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/treecms/proto/test/SearchPathRootToChildTest.java	Sun Aug 29 20:46:21 2010 +0900
@@ -0,0 +1,71 @@
+package treecms.proto.test;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+
+import treecms.proto.api.*;
+import treecms.proto.simple.*;
+
+public class SearchPathRootToChildTest 
+{
+	public static void main(String _arg[])
+	{
+		NodeAPITreeBuilder builder = new SimpleNodeAPITreeBuilder();
+		NodeAPI root = builder.getContents();
+		root.setTitle("root");
+		
+		NodeAPI child1 = builder.createNode();
+		child1.setTitle("+-child1");
+		NodeAPI child2 = builder.createNode();
+		child2.setTitle("+-child2");
+		
+		root.addChild(child1);
+		root.addChild(child2);
+		
+		NodeAPI child11 = builder.createNode(); 
+		child11.setTitle(" +-child11");
+		NodeAPI child12 = builder.createNode();
+		child12.setTitle(" +-child12");
+		NodeAPI child13 = builder.createNode();
+		child13.setTitle(" +-child13");
+		
+		child1.addChild(child11);
+		child1.addChild(child12);
+		child1.addChild(child13);
+		
+		NodeAPI child21 = builder.createNode();
+		child21.setTitle(" +-child21");
+		
+		child2.addChild(child21);
+		
+		NodeAPI child211 = builder.createNode();
+		child211.setTitle("  +-child211");
+		NodeAPI child212 = builder.createNode();
+		child212.setTitle("  +-child212");
+		
+		child21.addChild(child211);
+		child21.addChild(child212);
+		
+		
+		PreOrderTreeWalkerRecursive walker = new PreOrderTreeWalkerRecursive(root);
+		Iterator<NodeAPI> itr = walker.iterator();
+		
+		LinkedList<NodeAPI> reverse = new LinkedList<NodeAPI>();
+		while(itr.hasNext()){
+			reverse.addFirst(itr.next());
+		}
+		
+		NodeAPI target = child212;
+		LinkedList<NodeAPI> path = new LinkedList<NodeAPI>();
+		for(NodeAPI node : reverse){
+			if(node.isChild(target)){
+				path.addFirst(target);
+				target = node;
+			}
+		}
+		
+		for(NodeAPI node : path){
+			System.out.println(node.getTitle());
+		}
+	}
+}