Yes, Igor's solution is easier (and will remember other tree state beyond just which nodes are expanded) if you are able to use this panel swapping technique instead of your current markup-inheritance solution for the common menu (tree).
It looks like a common decision one has to make: whether to pass components around (remember, only ever use a component instance on a single page instance at any one time!) versus just passing around component state (in this case, which nodes are expanded and which are collapsed). Regards - Cemal jWeekend OO & Java Technologies, Wicket Training and Development http://jWeekend.com igor.vaynberg wrote: > > instead of navigating between pages and passing the tree state around > why not simply swap panels. that way the tree instance is the same and > keeps its state. > > -igor > > On Mon, Aug 17, 2009 at 8:23 AM, Haulyn R. Jason<saharab...@gmail.com> > wrote: >> Yes, that's right, is that a way to tell the new page(and the new >> instance >> of the tree), the status of the old tree? >> I means expand the node which I clicked? >> >> Thanks! >> >> >> On Sat, Aug 15, 2009 at 9:00 AM, jWeekend >> <jweekend_for...@cabouge.com>wrote: >> >>> >>> 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 >>> >>> >> >> >> -- >> ------------------ >> Enjoy. Thanks! >> >> Haulyn Microproduction >> >> 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 > > > -- View this message in context: http://www.nabble.com/how-to-use-wicket-tree-in-extension-tp24967306p25011340.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
