Ok, thanks for the quick reply. :-) https://issues.apache.org/jira/browse/WICKET-1366
Regards, Sebastiaan Igor Vaynberg wrote:
looks like a bug in the tree, please file a jira issue -igor On Fri, Feb 22, 2008 at 9:57 AM, Sebastiaan van Erk <[EMAIL PROTECTED]> wrote:Hi, I'm trying to have a wicket LinkTree collapse and expand subtrees when I click on the respective nodes. I have the following code: tree = new LinkTree("tree", createTreeModel()) { @Override protected void onNodeLinkClicked(final TreeNode node, final BaseTree tree, final AjaxRequestTarget target) { if (!node.isLeaf()) { if (tree.getTreeState().isNodeExpanded(node)) { collapseAll(node); } else { expandAll(node); } tree.updateTree(target); } else { System.out.println(Arrays.toString(((DefaultMutableTreeNode) node).getUserObjectPath())); } } }; with the methods expandAll/collapseAll as follows: protected void collapseAll(final TreeNode treeNode) { tree.getTreeState().collapseNode(treeNode); for (final Enumeration e = treeNode.children(); e.hasMoreElements();) { collapseAll((TreeNode) e.nextElement()); } } protected void expandAll(final TreeNode treeNode) { tree.getTreeState().expandNode(treeNode); for (final Enumeration e = treeNode.children(); e.hasMoreElements();) { expandAll((TreeNode) e.nextElement()); } } However, I keep getting the following errors (specifically, this happens when I collapse a subtree first, and then collapse a subtree of which the other subtree is a sibling): java.lang.IllegalStateException: No Page found for component [MarkupContainer [Component id = 200, page = <No Page>, path = 200.AbstractTree$TreeItem]] at org.apache.wicket.Component.getPage(Component.java:1639) at org.apache.wicket.ajax.AjaxRequestTarget.respondComponent(AjaxRequestTarget.java:689) at org.apache.wicket.ajax.AjaxRequestTarget.respondComponents(AjaxRequestTarget.java:605) at org.apache.wicket.ajax.AjaxRequestTarget.respond(AjaxRequestTarget.java:520) at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:103) at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1172) at org.apache.wicket.RequestCycle.step(RequestCycle.java:1241) at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1316) at org.apache.wicket.RequestCycle.request(RequestCycle.java:493) at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:354) at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:595) Does anybody have any ideas what I'm doing wrong and what the correct way to implement this is? Regards, Sebastiaan--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
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