I was not aware of the "nested" example in wicket-examples.
Unfortunately, http://www.wicket-library.com/wicket-examples/nested/ barfs when I try to access it.
Eelco Hillenius wrote:
Yeah, that's like Wicket's "nested" example in wicket-examples. Eelco On Thu, Oct 8, 2009 at 12:27 PM, Ceki Gulcu <c...@qos.ch> wrote:Hello, I just succeeded to create a self-recursive panel displaying a tree-like structure with less than 40 lines of java code and 10 lines of HTML. I am including the code here in case someone is interested. ============================================== public class Node implements Serializable { String name; List<Node> childrenList = new ArrayList<Node>(); Node(String name) { this.name = name; } public void add(Node child) { childrenList.add(child); } public String getName() { return name; } public List<Node> getChildrenList() { return childrenList; } static Node getSampleNode() { Node nodeA = new Node("A"); Node nodeA0 = new Node("A0"); Node nodeA00 = new Node("A00"); Node nodeA01 = new Node("A01"); Node nodeA1 = new Node("A1"); nodeA.add(nodeA0); nodeA.add(nodeA1); nodeA0.add(nodeA00); nodeA0.add(nodeA01); return nodeA; } } =============== Tree.java and Tree.html ======================== public class Tree extends WebPage { public Tree() { Node node = Node.getSampleNode(); NodePanel nodePanel = new NodePanel("", "node", node); add(nodePanel); } } <html xmlns="http://www.w3.org/1999/xhtml";> <head> <title>Tree</title> <link rel="stylesheet" href="style.css" /> </head> <body> <div wicket:id="node"></div> </body> </html> ================================================================ ===== NodePanel.hava and html ================================== public class NodePanel extends Panel { public NodePanel(final String indent, String id, Node node) { super(id); add(new Label("name", indent+node.getName())); if (node.getChildrenList().size() == 0) { final WebMarkupContainer parent = new WebMarkupContainer("children"); add(parent); parent.add(new EmptyPanel("node")); } else { add(new ListView("children", node.getChildrenList()) { @Override protected void populateItem(ListItem item) { Node childNode = (Node) item.getModelObject(); item.add(new NodePanel(indent+"----", "node", childNode)); } }); } } } <html xmlns:wicket> <wicket:panel> <p wicket:id="name">name</p> <div wicket:id="children"> <div wicket:id="node"> </div> </div> </wicket:panel> </html> ================================================================ HTH, -- Ceki Gülcü Logback: The reliable, generic, fast and flexible logging framework for Java. http://logback.qos.ch --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org--------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
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