Hi Kornel Thanks for the pointer, however not sure I follow. you cant check or uncheck a node that is not rendered, right? so i would imagine this cant happen... Cheers
Andrea On Thu, Jul 9, 2009 at 12:45 PM, Kornel Csaszar <[email protected]> wrote: > Andrea, > It's good to be careful with getting info back from widgets like that. If > the widget > is not yet rendered you will get a very nasty general error (yellow > triangle). > > If you need that info and you are not certain the component > will have been rendered by that time, it's often best to keep collections > of > objects on your own of the tree node references. > > -kornel > > > On Mon, Jul 6, 2009 at 10:30 AM, Roundcrisis <[email protected]>wrote: > >> Yeah that does work thanks :D >> Andrea >> >> >> >> >> On Mon, Jul 6, 2009 at 12:57 PM, Patrizio De Michele <[email protected] >> > wrote: >> >>> hi, >>> maybe you can use this code, try it and make me know: >>> >>> final List<Node> checkedNodes = new ArrayList<Node>(); >>> final List<Node> allNodes = new ArrayList<Node>(); >>> treePanel.getRootNode().cascade(new NodeTraversalCallback() { >>> public boolean execute(Node node) { >>> if (Boolean.valueOf(node.getAttribute("checked"))) { >>> checkedNodes.add(node); >>> } >>> allNodes.add(node); >>> return true; >>> } >>> }); >>> >>> bye Patrizio >>> >>> >>> 2009/7/6 Andrea <[email protected]> >>> >>> >>>> Hi there >>>> >>>> I m using a TreePanel that can be checked; and was wondering what is >>>> the best way to get info back from the tree: ie all nodes whether they >>>> are checked or not , and I would like to know if they are. >>>> >>>> I know i can use treePanel.getChecked() but that only gets me the >>>> checked ones >>>> or I can use root.getChildNodes() but here I m not terribly sure how >>>> to know if its checked or not, it also seems quite cumbersome to >>>> navigate the tree structure this way >>>> >>>> any other alternatives? or recomended way to deal with trees in >>>> general? >>>> >>>> >>>> Thanks >>>> >>>> >>> >>> >>> >> >> >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "GWT-Ext Developer Forum" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/gwt-ext?hl=en -~----------~----~----~----~------~----~------~--~---
