you don't have to really subclass that concrete class.
You can return any model you want that fits youre needs.
johan
Huy Do wrote:
Thank you for the explanation. I understand it now after reading your
explanation and rereading the docs. I was confused with the
"ListItemModel implementation" part because I was wasn't subclassing
ListItemModel in my code.
Huy
Johan Compagner wrote:
that getListItemModel() method can return a model that is detachable
where you only hold the id of the
PickDetail object as state.
Then on attach you use that id to read youre PickDetail object from
somewhere (db) so that you can
return it on getModelObject()
by default we have a ListItemModel that doesn't use the id but the
index to lookup things
But this is not very good for database data where the index (let say
3) can suddenly point to another object.
see forexample the wicket-stuf and then wicket-contrib-data cvs project.
johan
Huy Do wrote:
Thanks for the information. However, I was looking for something
along the lines of
protected void populateItem(final ListItem item) {
final PickDetail pickDet =
(PickDetail)item.getModelObject();
*item.addAllBeanProperties(pickDet);*
}
I also looked up the javadocs on and theres some information there I
don't know how to apply
protected IModel <cid:part1.00090808.01020703@gmail.com>
*getListItemModel*(IModel <cid:part1.00090808.01020703@gmail.com>
listViewModel, int index)
"ListItemModel implementation should use an id (e.g. the database'
record id) to identify and load the list item model object."
what id is it talking about ?
thanks
Huy
Martijn Dashorst wrote:
add(new ListView("rows", Arrays.asList(pick.getPickDetails()))
{
protected IModel getListItemModel(IModel arg0, int arg1) {
return new
CompoundPropertyModel(super.getListItemModel(arg0, arg1));
}
protected void populateItem(final ListItem item) {
final PickDetail pickDet =
(PickDetail)item.getModelObject();
item.add(new Label("numberOfItems"));
item.add(new Label("batchCode"));
}
});
Rename the ID of the first label. See the documentation on
CompoundPropertyModel for more information.
Martijn
Huy Do wrote:
Hi,
Please see code below in relation to my question
add(new ListView("rows", Arrays.asList(pick.getPickDetails()))
{
protected void populateItem(final ListItem item) {
final PickDetail pickDet =
(PickDetail)item.getModelObject();
item.add(new Label("items",
pickDet.getNumberOfItems().toString()));
item.add(new Label("batchCode",
pickDet.getBatchCode()));
}
});
Is there some sort of shortcut for the list view to use java bean
properties which can then be accessed in the html
as <span wicket:id="bean.getProperty()">blah</span> this would
simplify things alot without the verbose Label code.
Of course the existing method is still useful when you need more
control but most of the time, it just adds additional code which I
really don't want to write :-)
Regards,
Huy
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