why is DefaultNestedTree component treated as property within PropertyResolver ?

[Knaack, Ulrich]

Hi,

I'm trying to display a DefaultNestedTree (id="dataTreeView") within a 
Bootstrap Modal

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
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 model)
11 {
12 super(id, model);
13 
14 Service service = model.getObject();
15 List data = 
dataBean.getRootDataByServiceId(service.getServiceId());
16 
17 BootstrapForm form = new BootstrapForm<>("form");
18 add(form);
19 
20 treeProvider = new RecursiveDataTreeProvider(data);
21 
22 DefaultNestedTree tree =
23 new DefaultNestedTree("dataTreeView"
24 , treeProvider)
25 {
26 private static final long serialVersionUID = 
-7659715973883984412L;
27 
28 @Override
29 protected Component newContentComponent(String id1
30 , IModel 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 newDataList = 
dataBean.getRootDataByServiceId(serviceId);
59 treeProvider.setRecursiveData(newDataList);
60 }
61 }

I know from debugging that my implementation of ITreeProvider 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:ulrich.kna...@lgln.niedersachsen.de
www.lgln.niedersachsen.de


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reusable Panel with Delete-Button and Confirmation Dialog (Bootstrap Modal), issue with page refresh

[Knaack, Ulrich]

Hi,

I've created a reusable panel (DeleteObjectPanel.java) which contains a 
BootstrapAjaxButton
for deleting database entries.
After clicking the button, a Bootstrap Modal  (ConfirmDeleteModal.java) appears 
for confirmation.
Both are in the package example.confirm.

MCVE is here:
https://gitlab.com/UlrichK/pageRefreshAfterConfirmation.gitStart of 
application via test/java/example/Start.java

I need this because in my application I have some BootstrapDefaultDataTables 
with deletion functionality.

The DeleteObjectPanel is used in Customer3.java line 131 , during creation of a 
AbstractColumn.

After the deletion is performed, the datatable is refreshed.
But the hole page is disabled!!! See screenshot.
If a replace
target.add(filterForm);
with
target.add(filterForm, getPage());

the page gets refreshed, but I want to understand what is wrong in my code.

This is were I use DeleteObjectPanel (The DataTable is a child component of 
filterForm"):

columns.add(
new AbstractColumn(new Model<>("Löschen"))
{
private static final long serialVersionUID = 1L;

@Override
public void populateItem(Item 
cellItem,
String componentId, IModel customerModel)
{
Customer customer = customerModel.getObject();
String customerInfo = "Kunde:\n"
+ customer.getName();
cellItem.add(new DeleteObjectPanel(componentId, 
customerInfo)
{
private static final long serialVersionUID = 
2408937138549967444L;

@Override
protected void performDeletion(AjaxRequestTarget 
target)
{

//customerBean.deleteByUuid(customer.getBopUuid());

DatabaseLocator.getDatabase().delete(customerModel.getObject());

  // Page is "disabled" completely
target.add(filterForm); 

//  THIS WORKS
//target.add(filterForm, getPage());   
}
});
}
});

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:ulrich.kna...@lgln.niedersachsen.de
www.lgln.niedersachsen.de



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Re: Modal dialog, form validation in AjaxBootstrapTabbedPanel

[Knaack, Ulrich]

Hi Martin,

sorry for late replying. Issues in another project prevented me from testing 
your hint.

Using ClientSideBootstrapTabbedPanel solved my problem completely.
I simply replaced "class MyAjaxTabbedPanel extends 
AjaxBootstrapTabbedPanel"
with 
"class MyAjaxTabbedPanel extends ClientSideBootstrapTabbedPanel "
and removed unnecessary methods.
Then, wicket gave me useful hints related to a ClassCastException and to a 
missing call to tabbedPanel.setOutputMarkupId(true) .

Thank you for quick response.

Regards,
Ulrich Knaack


> -Ursprüngliche Nachricht-
> Von: Martin Grigorov [mailto:mgrigo...@apache.org]
> Gesendet: Mittwoch, 3. Mai 2017 15:04
> An: users@wicket.apache.org
> Betreff: Re: Modal dialog, form validation in AjaxBootstrapTabbedPanel
> 
> Hi,
> 
> I think I see the problem.
> When using AjaxBootstrapTabbedPanel the tabs' content is loaded one at a
> time. This makes it hard to validate the complete form because not all
> fields are available at any time.
> You may need to use
> https://github.com/l0rdn1kk0n/wicket-bootstrap/blob/wicket-
> 7.x/bootstrap-
> core/src/main/java/de/agilecoders/wicket/core/markup/html/bootstrap/ta
> bs/ClientSideBootstrapTabbedPanel.java
> instead. It will switch the tabs
> via JavaScript and make the validation once you use the submit button.
> If this doesn't help you then I'll try to take a look at your application
> after work!
> 
> Martin Grigorov
> Wicket Training and Consulting
> https://twitter.com/mtgrigorov
> 


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Re: Modal dialog, form validation in AjaxBootstrapTabbedPanel - solved

[Knaack, Ulrich]

Hi Martin,

sorry for late replying. Issues in another project prevented me from testing 
your hint.

Using ClientSideBootstrapTabbedPanel solved my problem completely.
I simply replaced "class MyAjaxTabbedPanel extends 
AjaxBootstrapTabbedPanel"
with 
"class MyAjaxTabbedPanel extends ClientSideBootstrapTabbedPanel "
and removed unnecessary methods.
Then, wicket gave me useful hints related to a ClassCastException and to a 
missing call to tabbedPanel.setOutputMarkupId(true) .

Thank you for quick response.

Regards,
Ulrich Knaack


> -Ursprüngliche Nachricht-
> Von: Martin Grigorov [mailto:mgrigo...@apache.org]
> Gesendet: Mittwoch, 3. Mai 2017 15:04
> An: users@wicket.apache.org
> Betreff: Re: Modal dialog, form validation in AjaxBootstrapTabbedPanel
> 
> Hi,
> 
> I think I see the problem.
> When using AjaxBootstrapTabbedPanel the tabs' content is loaded one at a
> time. This makes it hard to validate the complete form because not all
> fields are available at any time.
> You may need to use
> https://github.com/l0rdn1kk0n/wicket-bootstrap/blob/wicket-
> 7.x/bootstrap-
> core/src/main/java/de/agilecoders/wicket/core/markup/html/bootstrap/ta
> bs/ClientSideBootstrapTabbedPanel.java
> instead. It will switch the tabs
> via JavaScript and make the validation once you use the submit button.
> If this doesn't help you then I'll try to take a look at your application
> after work!
> 
> Martin Grigorov
> Wicket Training and Consulting
> https://twitter.com/mtgrigorov
> 


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