Fix two JSON load and saving problems:

* Fix root node never importing JSON loaded UI keyvalues data.
* Fix changed notes being assigned to the root node indiscriminately, for any node being examined.

JBUI/src/jbui/controller/NodeDetailController.java

@@ -85,6 +85,7 @@ private SectionStringTreeItem(String text)
 	private TextArea mNotesTextArea;
 
 	public final IdSystemNode mProtocolSaveRootNode;
+	private IdSystemNode mSelectedNode;
 
 	public NodeDetailController()
 	{
@@ -111,6 +112,7 @@ private void createCopyToClipboardMenu()
 	@SuppressWarnings("unchecked")
 	void init(IdSystemNode modelNode)
 	{
+		mSelectedNode = modelNode;
 		TreeItem<String> strandsItem = new SectionStringTreeItem(
 				JBUI.sInstance.mLocalizationResources.getString("ParticipantsStrands"));
 		TreeItem<String> intruderKItem = new SectionStringTreeItem(
@@ -396,18 +398,21 @@ public void updateItem(String item, boolean empty)
 
 		mNotesTextArea.textProperty().addListener((observable, oldText, newText) ->
 		{
-			mProtocolSaveRootNode.mNotes = newText;
-
-			if (mProtocolSaveFile != null)
+			if (newText != null)
 			{
-				if (mNotesAutoSaveCheck.isSelected())
+				mSelectedNode.mNotes = newText;
+
+				if (mProtocolSaveFile != null)
 				{
-					saveCurrentProtocol();
-					return;
-				}
+					if (mNotesAutoSaveCheck.isSelected())
+					{
+						saveCurrentProtocol();
+						return;
+					}
 
-				mNotesSaveBtn.setDisable(false);
-				handleProtocolDataChanged();
+					mNotesSaveBtn.setDisable(false);
+					handleProtocolDataChanged();
+				}
 			}
 		});
 	}

JBUI/src/jbui/model/IdSystemNode.java

@@ -76,12 +76,12 @@ static void parseJSONIdSystemArray(IdSystemNode startNode, int depth, JSONArray
 			if (JBUI.getMaudeThinker().mRootIdSystemNode != null)
 			{
 				JBUI.getMaudeThinker().mRootIdSystemNode.mMsgElemSequences = node.mMsgElemSequences;
-				JBUI.getMaudeThinker().mRootIdSystemNode.parseUIKeys(jsonIdSystem);
 			}
 			else
 			{
 				JBUI.getMaudeThinker().mRootIdSystemNode = node;
 				node.mUIController = JBUI.getMainController().createFXTreeLayout(node);
+				node.tryParseUIKeys(jsonIdSystem, parseUIKeys);
 				JBUI.getMainController().mTreeExportItem.setDisable(false);
 			}
 		}
@@ -117,11 +117,7 @@ static void parseJSONIdSystemArray(IdSystemNode startNode, int depth, JSONArray
 				NonRootIdSystemNode node = new NonRootIdSystemNode(idElems.getLast(), jsonIdSystem);
 				JBUI.getMaudeThinker().mRootIdSystemNode.insert(node, idElems);
 				levelNodes.add(node);
-
-				if (parseUIKeys)
-				{
-					node.parseUIKeys(jsonIdSystem);
-				}
+				((IdSystemNode) node).tryParseUIKeys(jsonIdSystem, parseUIKeys);
 			}
 
 			startNode.inferLastReachableNodes(levelNodes, depth, startNode.getDepth());
@@ -302,19 +298,23 @@ public void outputIdAsJSONArray(JSONArray jsonArray) throws JSONException
 		jsonArray.put(jsonId);
 	}
 
-	void parseUIKeys(JSONObject jsonIdSystem)
+	private void tryParseUIKeys(JSONObject jsonIdSystem, boolean parseUIKeys)
 	{
-		if (jsonIdSystem.optBoolean("isSelected"))
+		if (parseUIKeys)
 		{
-			JBUI.getMainController().selectScreenNode(mUIController);
-		}
+			if (jsonIdSystem.optBoolean("isSelected"))
+			{
+				JBUI.getMainController().selectScreenNode(mUIController);
+			}
 
-		if (jsonIdSystem.optBoolean("isFolded"))
-		{
-			mUIController.fold();
+			if (jsonIdSystem.optBoolean("isFolded"))
+			{
+				mUIController.fold();
+			}
+
+			mNotes = jsonIdSystem.optString("notes", null);
 		}
 
-		mNotes = jsonIdSystem.optString("notes");
 	}
 
 	protected String unparseId(String separator)