Top "Treepanel" questions

How do I find the selected node in an ExtJS TreePanel?

I'm trying to retrieve the selected node, if any, of a TreePanel when the user clicks a button. How do …

extjs treepanel
How to add a child to a node in a TreePanel?

In a tree structure like this var rootNode = { id: 'root', text : 'Root Node', expanded : true, children : [ { id : 'c1', text : …

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extjs 4 tree select a specific node by its internal id (not by record index)

I'm trying to sync a dataview (explorer window) with a tree (directory tree). When I click on an element on …

select tree extjs4 treepanel
Extjs 4 - creating a model for a tree panel

I would like to implement a tree panel with content loaded dynamically from the server (as Json) and with a …

javascript extjs tree extjs4 treepanel
extjs treepanel: expand() & expandChildNodes()

If I write: rootNode.expand() I can only get access to the children nodes of this rootNode, but can't get …

extjs nodes expand treenode treepanel
How to uncheck all tree nodes in Ext.tree.TreePanel?

I would like a 'reset' method to uncheck all the checked nodes in Ext.tree.TreePanel.

extjs treepanel
Scrollbar in extjs tree panel does not work

Sometimes it happens that the scrollbar of my tree panel does not work anymore. While it's still possible to move …

javascript extjs scrollbar treepanel
How can I load JSON into TreeStore?

I would like to load a JSON file into a TreeStore to use in a TreePanel. I can load the …

json extjs extjs4 store treepanel
How to delete a node from an Ext TreePanel if the node hasn't been rendered

I've found that I can't delete nodes that haven't been rendered yet. The following code shows what I mean. I …

extjs removechild treepanel
extjs treepanel expand collapse event

I have a treepanel with nodes inside the treepanel. To identify whether the treepanel and not the nodes that are …

extjs treepanel