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https://issues.apache.org/jira/browse/WICKET-2886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Hefner updated WICKET-2886:
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Attachment: WICKET-2886-Quickstart.zip
attached Quickstart to demonstrate bug
> Tree doesn't update correctly
> -----------------------------
>
> Key: WICKET-2886
> URL: https://issues.apache.org/jira/browse/WICKET-2886
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.4.8
> Environment: tomcat 6.0.14, win 7
> Reporter: Sergey Plevko
> Attachments: WICKET-2886-Quickstart.zip
>
>
> When we add a first child to the node this update doesn't appeare in a
> browser. If we collapse/expand this the parent node forced we will see
> changes. All the rest updates work correctly.
> This bug easily can be reproduced with the next pice of code.
> TestPage.html
> <html xmlns="http://www.w3.org/1999/xhtml";
> xmlns:wicket="http://wicket.apache.org/dtds.data/wicket-xhtml1.4-strict.dtd";>
> <body>
> <table>
> <tr> <td> <div wicket:id="tree"></div> </td>
> </tr>
> <tr> <td> <input type="submit" wicket:id="addChild"
> class="btn btnStd" /> </td> </tr>
> </table>
> </body>
> </html>
> TestPage.java
> public class TestPage extends WebPage {
> public MainTreeTestPage() {
> DefaultMutableTreeNode root = new DefaultMutableTreeNode("root");
> final DefaultMutableTreeNode rootChild = new
> DefaultMutableTreeNode("rootChild");
> root.add(rootChild);
> final DefaultTreeModel treeModel = new DefaultTreeModel(root);
> final BaseTree tree = new LinkTree("tree", treeModel);
> add(tree);
> tree.getTreeState().expandNode(root);
> AjaxLink addButton = new AjaxLink("addChild") {
> public void onClick(AjaxRequestTarget ajaxRequestTarget) {
> DefaultMutableTreeNode child = new
> DefaultMutableTreeNode("child");
> //rootChild.add(child); // it doesn't matter how we add this
> child
> treeModel.insertNodeInto(child, rootChild, 0);
> tree.updateTree(ajaxRequestTarget);
> }
> };
> add(addButton);
> }
> }
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