Hi,
I'm trying to display a DefaultNestedTree (id="dataTreeView") within a
Bootstrap Modal<Service>
Instances of Service contain an ID that I use for retrieving a recursive data
structure from database.
The recursive structure is realized by instances of "RecursiveData" .
See line 15 and method onModelChanged().
RecursiveData contains self referencing properties "parent" and "children"
00 import com.example.Service
00
01 public class DataViewDialog extends Modal<Service>
02 {
03 private static final long serialVersionUID = 7766394608644043929L;
04
05 @SpringBean
06 private RecursiveDataBean dataBean;
07
08 private RecursiveDataTreeProvider treeProvider;
09
10 public DataViewDialog(String id, IModel<Service> model)
11 {
12 super(id, model);
13
14 Service service = model.getObject();
15 List<RecursiveData> data =
dataBean.getRootDataByServiceId(service.getServiceId());
16
17 BootstrapForm<Void> form = new BootstrapForm<>("form");
18 add(form);
19
20 treeProvider = new RecursiveDataTreeProvider(data);
21
22 DefaultNestedTree<RecursiveData> tree =
23 new DefaultNestedTree<RecursiveData>("dataTreeView"
24 , treeProvider)
25 {
26 private static final long serialVersionUID =
-7659715973883984412L;
27
28 @Override
29 protected Component newContentComponent(String id1
30 , IModel<RecursiveData> node)
31 {
32 return super.newContentComponent(id1, node);
33 }
34 };
35
36 form.add(tree);
37
38 BootstrapAjaxButton close = new BootstrapAjaxButton("close"
39 , Model.of("schließen"), Buttons.Type.Primary)
40 {
41 private static final long serialVersionUID =
7877084020329862442L;
42
43 @Override
44 protected void onSubmit(AjaxRequestTarget target, Form<?> form)
45 {
46 super.onSubmit(target, form);
47 appendCloseDialogJavaScript(target);
48 }
49 };
50 form.add(close);
51 }
52
53 @Override
54 protected void onModelChanged()
55 {
56 super.onModelChanged();
57 String serviceId = getModel().getObject().getServiceId();
58 List<RecursiveData> newDataList =
dataBean.getRootDataByServiceId(serviceId);
59 treeProvider.setRecursiveData(newDataList);
60 }
61 }
I know from debugging that my implementation of ITreeProvider<RecursiveData> is
working well,
also after execution of "onModelChanged()".
But when the tree is rendered, this error occurs:
org.apache.wicket.WicketRuntimeException: Property could not be resolved for
class: class com.example.Service expression: dataTreeView
at
org.apache.wicket.core.util.lang.PropertyResolver.getGetAndSet(PropertyResolver.java:393)
at
org.apache.wicket.core.util.lang.PropertyResolver.getObjectWithGetAndSet(PropertyResolver.java:355)
at
org.apache.wicket.core.util.lang.PropertyResolver.getObjectWithGetAndSet(PropertyResolver.java:261)
at
org.apache.wicket.core.util.lang.PropertyResolver.getValue(PropertyResolver.java:111)
at
org.apache.wicket.model.AbstractPropertyModel.getObject(AbstractPropertyModel.java:86)
at
org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree.getModelObject(AbstractTree.java:161)
at
org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree.getState(AbstractTree.java:240)
at
org.apache.wicket.extensions.markup.html.repeater.tree.nested.Subtree.isVisible(Subtree.java:136)
Why does Wicket try to resolve a property that doesn't exist within "Service" ?
I've tried a version without a BootstrapForm within the Modal, where
"dataTreeView" is attached to the Modal directly. Same problem.
Mit freundlichen Grüßen
Ulrich Knaack
Landesamt für Geoinformation und Landesvermessung Niedersachsen (LGLN)
- Landesvermessung und Geobasisinformation - Landesbetrieb -
Fachgebiet 224 - Geodateninfrastruktur
Podbielskistraße 331, 30659 Hannover
Tel.: +49 511 64609-287
Fax: +49 511 64609-161
mailto:[email protected]
www.lgln.niedersachsen.de
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
