Is your menu (tree) in some parent page class that both the first and the linked-to page extend? When you go to a new page instance you will get a new instance of the Tree.
Regards - Cemal jWeekend OO & Java Technologies, Wicket Training and Development http://jWeekend.com Haulyn Jason-2 wrote: > > No, just use Tree in extension package. > > On Fri, Aug 14, 2009 at 11:17 PM, Igor Vaynberg > <igor.vaynb...@gmail.com>wrote: > >> are you using LinkTree? >> >> -igor >> >> On Fri, Aug 14, 2009 at 12:15 AM, Haulyn R. Jason<saharab...@gmail.com> >> wrote: >> > 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! >> > >> > -- >> > ------------------ >> > Enjoy. Thanks! >> > >> > Mobile: +086-15864011231 >> > email: saharab...@gmail.com, hmp.hau...@foxmail.com >> > website: http://haulynjason.net >> > gtalk: saharab...@gmail.com >> > yahoo: jia_hao...@yahoo.com >> > msn: saharab...@gmail.com >> > skype: saharabear >> > QQ: 378606292 >> > >> > Haulyn Jason >> > >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >> For additional commands, e-mail: users-h...@wicket.apache.org >> >> > > > -- > ------------------ > Enjoy. Thanks! > > Mobile: +086-15864011231 > email: saharab...@gmail.com, hmp.hau...@foxmail.com > website: http://haulynjason.net > gtalk: saharab...@gmail.com > yahoo: jia_hao...@yahoo.com > msn: saharab...@gmail.com > skype: saharabear > QQ: 378606292 > > 贾昊林 Haulyn Jason > > -- View this message in context: http://www.nabble.com/how-to-use-wicket-tree-in-extension-tp24967306p24980702.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org