The <tc:treeSelect/> tag can be used instead of <treeLabel/> to add radio buttons or checkboxes in front of the nodes.
<tc:treeSelect/>
<treeLabel/>
Tag Library Documentation: <tc:tree/> | <tc:treeSelect/>
The <tc:tree/> tag must use the selectable attribute. The value of the attribute in this example can be changed by the radio buttons in the contentbox on the right.
<tc:tree/>
selectable