How to use cellrenderer for JTree using netbeans.

[lakshman_br]

Hi All,

I have created a frame and in which i have placed a panel which contain the JTree.

Netbeans generate the code for alignment etc...and will be called in constructor. so to fill the tree with my data/nodes i have used the below code.

fileView = new javax.swing.JTree(fileNode);
treeScrollPane.setViewportView(fileView);

I also want to change the icons of the tree notes (root and child) based on a condition so i have created a instance of TreeRenderer (tr) (custom code which extends DefaultTreeCellRenderer, contains getTreeCellRendererComponent also) and the same is set for the tree before calling set visible.

treeView.getSelectionModel().setSelectionMode(javax.swing.tree.TreeSelectionModel.SINGLE_TREE_SELECTION);
treeView.addTreeSelectionListener(this);

TreeRenderer tr = new TreeRenderer();

treeView.setCellRenderer(tr);

I am able to see that my data is populated in tree as nodes but the tree is not renderered.

it is displayed as normal tree.

Could you please help me in this and how to use cellrenderer for JTree in Netbeans.

[lakshman_br]

Hi all,

any inputs on this please.

[Thomas Wolf]

...the same way you would use cell renderers without netbeans...here's
the java tutorial:

http://java.sun.com/docs/books/tutorial/uiswing/components/tree.html#display


tom

On 08/13/2009 12:35 AM, lakshman_br wrote: