Guys, thanks a lot for quick reply. I have changed my code according to
your mentioned way, but seems like i am doing something wrong. Below are
my code, markup and stacktrace -
1. private WebMarkupContainer markupContainer;
2. final String DETAILS_PANEL_ID ="detailsPanel";
3. public ListContractsPage() {
4. markupContainer =new WebMarkupContainer("markupContainer");
5. markupContainer.setOutputMarkupId(true);
6. markupContainer.add(new
Label(DETAILS_PANEL_ID,"label").setOutputMarkupId(true));
7. add(prepareTree());
8. add(markupContainer);
9. }
10. private BaseTree prepareTree() {
11. DefaultMutableTreeNode rootNode = new
DefaultMutableTreeNode("Contracts");
12. TreeModel treeModel = new DefaultTreeModel(rootNode);
13. assembleContracts(rootNode);
14. final LinkTree linkTree=new LinkTree("tree", treeModel){
15. @Override
16. protected void onNodeLinkClicked(Object node, BaseTree
tree, AjaxRequestTarget target) {
17. //markupContainer.remove(DETAILS_PANEL_ID);
18. Object userObject = ((DefaultMutableTreeNode)
node).getUserObject();
19. Panel targetPanel;
20. if (userObject instanceof ServiceHandle) {
21. targetPanel = new
ServiceDetailsPanel<ServiceHandle>(DETAILS_PANEL_ID,
(ServiceHandle) userObject);
22. } else if (userObject instanceof ContractHandle) {
23. targetPanel = new
ContractDetailsPanel<ContractHandle>(DETAILS_PANEL_ID,
(ContractHandle) userObject);
24. } else {
25. throw new AssertionError("Expected: master,
sub or service handle, but found: " +
userObject.getClass().getSimpleName());
26. }
27. targetPanel.setOutputMarkupId(true);
28. ListContractsPage.this.addOrReplace(targetPanel);
29. target.addComponent(targetPanel);
30. }
31. };
32. linkTree.setOutputMarkupId(true);
33. linkTree.getTreeState().expandNode(rootNode);
34. return linkTree;
35. }
1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
2. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
3. <html xmlns="http://www.w3.org/1999/xhtml";
4. xmlns:wicket="http://wicket.apache.org/"; xml:lang="en"
lang="en">
5. <body>
6. <wicket:extend>
7. <h4>Contracts:</h4>
8. <table>
9. <tr>
10. <td>
11. <span wicket:id="tree">[tree will be here]</span>
12. </td>
13. </tr>
14. <tr>
15. <td>
16. <span wicket:id="markupContainer">
17. <span
wicket:id="detailsPanel"></span>
18. </span>
19. </td>
20. </tr>
21. </table>
22. </wicket:extend>
23. </body>
24. </html>
WicketMessage: Unable to find the markup for the component. That may be
due to transparent containers or components implementing
IComponentResolver: [MarkupContainer [Component id = detailsPanel]]
Root cause:
org.apache.wicket.WicketRuntimeException: Unable to find the markup for
the component. That may be due to transparent containers or components
implementing IComponentResolver: [MarkupContainer [Component id =
detailsPanel]]
at
org.apache.wicket.MarkupFragmentFinder.find(MarkupFragmentFinder.java:125)
at org.apache.wicket.Component.locateMarkupStream(Component.java:3820)
at org.apache.wicket.Component.renderComponent(Component.java:2557)
at
org.apache.wicket.ajax.AjaxRequestTarget.respondComponent(AjaxRequestTarget.java:793)
at
org.apache.wicket.ajax.AjaxRequestTarget.respondComponents(AjaxRequestTarget.java:667)
at
org.apache.wicket.ajax.AjaxRequestTarget.respond(AjaxRequestTarget.java:579)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:105)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1249)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1320)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1419)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:456)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:289)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:915)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
//thanks
Pedro Santos wrote:
Add you need to replace your old detailsPanel for the new one. Like:
HomePage.this.replace(targetPanel)
On Wed, Nov 4, 2009 at 11:20 AM, Vytautas Racelis <turi...@gmail.com> wrote:
Hi,
you should have a container and add that container into target.
This is how i've done this:
http://xaloon.googlecode.com/svn/trunk/xaloon-wicket-jpa-components/src/main/java/org/xaloon/wicket/component/tree/TreePanel.java
jahid wrote:
Hi,
I have a LinkTree on a page, that page also contains a panel. First time
the page will be loaded with an empty panel. But if user clicks on link,
then i wanted to replace the empty panel with a new panel. but it seems like
its not working. Below is the part of my code-
1. public ListContractsPage() {
2. add(prepareTree());
3. add(new
EmptyPanel("detailsPanel","").setOutputMarkupId(true));
4. }
5. private BaseTree prepareTree() {
6. DefaultMutableTreeNode rootNode = new
DefaultMutableTreeNode("Contracts");
7. TreeModel treeModel = new DefaultTreeModel(rootNode);
8. assembleContracts(rootNode);
9. final LinkTree linkTree=new LinkTree("tree", treeModel){
10. @Override
11. protected void onNodeLinkClicked(Object node, BaseTree
tree, AjaxRequestTarget target) {
12. Object userObject = ((DefaultMutableTreeNode)
node).getUserObject();
13. Panel targetPanel;
14. if (userObject instanceof ServiceHandle) {
15. targetPanel = new
ServiceDetailsPanel<ServiceHandle>("detailsPanel", (ServiceHandle)
userObject);
16. } else if (userObject instanceof ContractHandle) {
17. targetPanel = new
ContractDetailsPanel<ContractHandle>("detailsPanel",
(ContractHandle) userObject);
18. } else {
19. throw new AssertionError("Expected: master,
sub or service handle, but found: " +
userObject.getClass().getSimpleName());
20. }
21. targetPanel.setOutputMarkupId(true);
22. target.addComponent(targetPanel);
23. }
24. };
25. return linkTree;
26. }
The panel which is added on line3, will be replaced by line15 or line17.
But it seems like its not replacing. I actually debugged, and the control
reaches over there and executes upto line22. But the new panel was never
rendered on browser.
I am using wicket 1.4.2.
Anyone have any idea why new panels are not rendered?
Thanks in advance.
Jahid
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Regards,
Vytautas Racelis
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