View Full Version : Use of getNodeById() with jsontree

25 Jan 2011, 9:02 AM
I'm newbie with Senchatouch library, and i found it very interesting.
However i have a serious problem with getNodeById(). I can't figure out how it works, and how can i use it in my context. I saw the documentation on : http://dev.sencha.com/deploy/touch/docs/ and tried a lot of tricks but my getNodeById() return undifined value.

Here is my code and what i'm trying to do :
I have a json file that contains items for categories list.

"text": "Items",
"id": 200,
"leaf": false,
{"id":207,"text":"Categorytitle2","leaf":false,"items":[ ...

In my script .js, i have put this code :

(function() {
var itemsUrl='data/items.json';

Ext.regModel('Items', {
fields: [
{name: 'id' , type: 'int'},
{name: 'text' , type: 'string'},
{name: 'leaf' , type: 'bool'},
{name: 'items' , type: 'tree'}


var treestore = new Ext.data.TreeStore({
model: 'Items',
proxy: {
type: 'ajax',
url: itemsUrl,
reader: {
type: 'tree',
root: 'items'


var store = treestore.getSubStore(treestore.getRootNode());
# Works perfectly with root node. i can see all the tree,

store = treestore.getSubStore(treestore.getNodeById(206));
#don't work :( !! need help !

My store must contain a part of tree defined by NodeId, and not all the tree.

Thanks for your help ;)