Dear all,
I use listView and RadioGroup, radio , as the following codes, Can someone
give me some idea? thanks in advance
everything is ok until i click the button "btnSaveAll", it throw the
excepation:
2008-09-03 19:35:41,751 ERROR [org.apache.wicket.RequestCycle] - <Attempt to
set model object on null model of component:
tabpanel:panel:attachedFilesPanelContainer:saveUploadFilesForm:group>
java.lang.IllegalStateException: Attempt to set model object on null model
of component:
tabpanel:panel:attachedFilesPanelContainer:saveUploadFilesForm:group
at org.apache.wicket.Component.setModelObject(Component.java:2820)
at
org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:992)
at
org.apache.wicket.markup.html.form.Form$14.validate(Form.java:1615)
at
org.apache.wicket.markup.html.form.Form$ValidationVisitor.formComponent(Form.java:152)
java codes:
private class SaveUploadFilesForm extends Form {
private boolean photoMainStatus = false;
public SaveUploadFilesForm(String id, final List<FileObj> files){
super(id);
//boolean photoMainStatus = false;
final RadioGroup group = new RadioGroup("group");
ListView fileListView = new ListView("fileList", files) {
@Override
protected void populateItem(final ListItem item) {
System.out.println("**********************in
AttachedFilesPanel() ");
item.size();
final FileObj fileObj = (FileObj) item.getModelObject();
System.out.println("fileObj.getId():" +
fileObj.getId());
System.out.println("fileObj.getOriginalFileName():" +
fileObj.getOriginalFileName());
System.out.println("fileObj.getDescription():" +
fileObj.getDescription());
System.out.println("fileObj.isMain():" +
fileObj.isMain());
item.add(new Label("file",
fileObj.getOriginalFileName()));
item.add(new Label("description",
fileObj.getDescription()));
item.add(new PictureUploadActionPanel("actions",
item.getModel(), files, page));
if (fileObj.isMain()) {
setPhotoMainStatus(true);
}
Radio r = new Radio("radio", new
PropertyModel(getParent().getParent(), "photoMainStatus"));
r.add(new AjaxEventBehavior("onchange") {
@Override
protected void onEvent(AjaxRequestTarget target) {
setPhotoMainStatus(true);
System.out.println("----------------in the
checkbox, onEvent,fileObj.getId()" + fileObj.getId());
}
});
item.add(r);
item.add(new AttributeModifier("class", true, new
AbstractReadOnlyModel() {
@Override
public Object getObject() {
return ((item.getIndex() % 2) == 1) ? "even" :
"odd";
}
}));
}
};
add(fileListView);
AjaxButton btnSaveAllFiles = new AjaxButton("btnSaveAll") {
@Override
protected void onSubmit(AjaxRequestTarget target, Form form)
{
System.out.println("********click button 'btnSaveAll'");
if (files.size() > 0) {
Iterator it = files.iterator();
while (it.hasNext()) {
FileObj fileObj = (FileObj) it.next();
}
}
}
}
};
btnSaveAllFiles.setModel(new Model("Save All Files"));
add(btnSaveAllFiles);
group.add(fileListView);
//group.add(btnSaveAllFiles);
add(group);
}
public boolean getPhotoMainStatus() {
return photoMainStatus;
}
public void setPhotoMainStatus(boolean photoMainStatus) {
this.photoMainStatus = photoMainStatus;
}
}
Html codes:
<form wicket:id="saveUploadFilesForm">
<table width="50%">
<table class="dataview">
<tr class="title">
<th>Actions</th>
<th>File Name</th>
<th>Description</th>
<th>Main status</th>
</tr>
<tr wicket:id="fileList" class="row">
<td width="100">[Action]</td>
<td width="200">[File]</td>
<td>[Description]</td>
<td width="100">
<input type="radio" wicket:id="radio"/>
</td>
</tr>
<tr>
<td><input type="button"
wicket:id="btnSaveAll" class="button"/></td>
</tr-->
</table>
<tr><td> </td></tr>
<tr>
<td><input type="button"
wicket:id="btnSaveAll" class="button"/></td>
</tr>
</table>
</form>
--
View this message in context:
http://www.nabble.com/using-listView%2Cradiogroup%2C-error%3Ajava.lang.IllegalStateException%3A-Attempt-to-set-model-object-on-null-model-of-component-tp19301538p19301538.html
Sent from the Wicket - Dev mailing list archive at Nabble.com.
