Hi,all:
I design a page with a tree for page navigation. But I can not find more
information from Internet to learn how to use the Tree component.
I can display the tree as
menu1
|-sub_menu1
|-sub_menu2
menu2
|-sub_menu3
|-sub_menu4
and I remove root node, make all tree expand while init the tree, but I do
not know how to add links to the sub_menus, I tried to add some code like
this:
@Override
protected void onNodeLinkClicked(AjaxRequestTarget target,
TreeNode node) {
DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode)
node;
NavigationTreeNode navigationTreeNode = (NavigationTreeNode)
treeNode.getUserObject();
if (navigationTreeNode.isURL) {
setResponsePage(navigationTreeNode.getURL());
super.onNodeLinkClicked(target, node);
} else {
super.onNodeLinkClicked(target, node);
}
}
this looks work well, but when I clink on a link, the page redirect to the
target page, but I can not keep the tree with the selected node expand.
Can anyone help me or give me some reference URLs? Thanks!
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