Hi,
I have page with panel (a custom class named TreePanel) that contains
Wicket LinkTree. LinkTree uses TreeModel instance which is common for
all pages in application (tree model resides in application class).
When any page that contains TreePanel being serialized, TreeModel also
seriailzes with page instance. I need to avoid TreeModel serialization.
I've used LoadableDetachableModel as in following code, but it didn't
work. Is it possible to avoid this?
public class TreePanel extends Panel
{
private static final long serialVersionUID = 1L;
private static class DocumentTree extends LinkTree
{
private static final long serialVersionUID = 1L;
public DocumentTree(String id, IModel<TreeModel> model)
{
super(id, model);
getTreeState().expandNode(model.getObject().getRoot());
}
@Override
protected void onNodeLinkClicked(Object node, BaseTree tree,
AjaxRequestTarget target)
{
TreeModelBean data =
(TreeModelBean)((DefaultMutableTreeNode)node).getUserObject();
((BasePage)getPage()).ajaxRequestReceived(target, data,
AjaxEventType.DATA_VIEW_UPDATE);
}
}
private LinkTree tree_;
@SuppressWarnings("serial")
public TreePanel(String id, TreeModel model)
{
super(id);
tree_ = new DocumentTree("tree", new
LoadableDetachableModel<TreeModel>()
{
@Override
protected TreeModel load()
{
return MyApp.get().getTreeModel();
}
});
add(tree_);
}
}
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