Ya I tried refreshingview with ReuseIfModelsEqualStrategy,
But the data entered on page get cleared.
My new code is -
final VehiclesList vehicles = new VehiclesList("vehicles", new
PropertyModel((RatingRequestAuto)getModelObject(),"vehicles"));
vehicles.setOutputMarkupId(true);
vehicles.setItemReuseStrategy(new ReuseIfModelsEqualStrategy());
add(vehicles);
private static class VehiclesList extends RefreshingView {
public VehiclesList (String id, PropertyModel model) {
super (id,model);
}
/**
* Return an iterator over models for items in the view
*/
protected Iterator getItemModels()
{
List models = new ArrayList();
for(int i=0;i<((List)getModelObject()).size();i++){
models.add(new Model( (Vehicle)
((List)getModelObject()).get(i)));
}
return models.iterator();
}
protected void populateItem(final ListItem item)
{
item.add(new TextField("vehicle.modelText", new
PropertyModel(vehicle, "model")).setRequired(true));
TextField registrationnumber = new
TextField("vehicle.registrationnumber", new PropertyModel(vehicle,
"registrationNumber"));
TextField engineNumber = new
TextField("vehicle.enginenumber", new
PropertyModel(vehicle, "engineNumber"));
final int index = item.getIndex();
Button remVehBtn = new Button("btn_removeVeh",
new ResourceModel(
"removevehicle" )) {
public void onSubmit() {
item.getParent().remove(item);
}
});
}
}
}
forgive me this may not be a cleaner way... I dont have more than a month
exp of wicket.
-pnerkar
igor.vaynberg wrote:
>
> dont use a listview, use a refreshingview and provide an itemreuse
> strategy.
>
> -igor
>
>
> On Feb 1, 2008 1:51 PM, pnerkar <[EMAIL PROTECTED]> wrote:
>>
>> Hi Igor,
>>
>> Finally I'm able to find out the exact issue.
>> suppose There are 3 items in the list-
>> wicket will assign id as 0, 1 & 2. to those items.
>> So When we say item.getparent().remove(item) to item with id=1,
>> them It'll remove that item from list but item with id=2 will not remain
>> as
>> it is..
>> i.e. Now list will have 2 items one with id=0 & id=2.
>> So when we display list, it'll clears the fields for item with id=1.
>> so we need to update id field of item object... But think there is no way
>> to
>> do that...
>>
>> is there...???
>>
>> -Pnerkar
>>
>>
>>
>>
>> igor.vaynberg wrote:
>> >
>> > try this:
>> >
>> > onpopulate (final listitem item) {
>> > add(new link("remove") { onclick() { ....
>> > item.getparent().remove(item); }}
>> > }
>> >
>> > -igor
>> >
>> >
>> > On Jan 31, 2008 6:19 PM, pnerkar <[EMAIL PROTECTED]> wrote:
>> >>
>> >> Hi igor,
>> >>
>> >> But If I remove setReuseItems(true), it'll remove all field values
>> which
>> >> user has entered will be removed.
>> >> Bcz default processing is false for Remove button (Sorry forget to
>> tell
>> >> you)
>> >> I just want to remove vehicle2, but the values entered for vehicle1 &
>> >> vehicle3 should not be lost.
>> >>
>> >>
>> >> - Pnerkar
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> igor.vaynberg wrote:
>> >> >
>> >> > vehicles.setReuseItems(true); <== that is what is causing your list
>> to
>> >> > reuse old components
>> >> >
>> >> > -igor
>> >> >
>> >> >
>> >> > On Jan 31, 2008 5:36 PM, pnerkar <[EMAIL PROTECTED]> wrote:
>> >> >>
>> >> >> Hi,
>> >> >>
>> >> >> Following is my code for rendering vehicle list-
>> >> >>
>> >> >> final VehiclesList vehicles = new VehiclesList("vehicledetails",
>> >> >> ((RatingRequestAuto)getModelObject()).getVehicles());
>> >> >> vehicles.setOutputMarkupId(true);
>> >> >> vehicles.setReuseItems(true);
>> >> >> add(vehicles);
>> >> >>
>> >> >> private static class VehiclesList extends ListView {
>> >> >>
>> >> >>
>> >> >> public VehiclesList (String id, List vehicles) {
>> >> >> super (id, vehicles);
>> >> >>
>> >> >> }
>> >> >>
>> >> >> protected void populateItem(final ListItem item)
>> >> >> {
>> >> >>
>> >> >> item.add(new TextField("vehicle.modelText", new
>> >> >> PropertyModel(vehicle, "model")).setRequired(true));
>> >> >> TextField registrationnumber = new
>> >> >> TextField("vehicle.registrationnumber", new PropertyModel(vehicle,
>> >> >> "registrationNumber"));
>> >> >> TextField engineNumber = new
>> >> >> TextField("vehicle.enginenumber", new
>> >> >> PropertyModel(vehicle, "engineNumber"));
>> >> >>
>> >> >> final int index = item.getIndex();
>> >> >> Button remVehBtn = new
>> Button("btn_removeVeh",
>> >> >> new ResourceModel(
>> >> >> "removevehicle" )) {
>> >> >> public void onSubmit() {
>> >> >> List vehicles = (List)
>> >> >> getParent().getParent().getModelObject();
>> >> >> vehicles.remove(index);
>> >> >> }
>> >> >> });
>> >> >> }
>> >> >> }
>> >> >>
>> >> >> Thanks a lot for ur reply :)
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >> igor.vaynberg wrote:
>> >> >> >
>> >> >> > show us how you populate your listview...
>> >> >> >
>> >> >> > -igor
>> >> >> >
>> >> >> >
>> >> >> > On Jan 31, 2008 3:49 PM, pnerkar <[EMAIL PROTECTED]> wrote:
>> >> >> >>
>> >> >> >> Hi All,
>> >> >> >>
>> >> >> >> I have rendered a list view on a Web Page.
>> >> >> >>
>> >> >> >> vehicle1 X
>> >> >> >> vehicle2 X
>> >> >> >> vehicle3 X
>> >> >> >>
>> >> >> >> when a person click on 'X', that item should be deleted.
>> >> >> >> But I'm facing an issue, when i click on 'X', last item get
>> >> deleted.
>> >> >> >> Actually when I delete vehicle2 from my list, it deletes
>> vehicle2
>> >> but
>> >> >> >> that
>> >> >> >> component is still there.
>> >> >> >> So while rendering it render vehicle1 & vehicle2.
>> >> >> >>
>> >> >> >> public void onSubmit() {
>> >> >> >> List vehicles = (List)
>> >> >> getParent().getParent().getModelObject();
>> >> >> >> vehicles.remove(index);
>> >> >> >> }
>> >> >> >>
>> >> >> >> can please help out ??
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >> --
>> >> >> >> View this message in context:
>> >> >> >>
>> >> >>
>> >>
>> http://www.nabble.com/How-to-delete-an-item-from-List-view.-tp15217608p15217608.html
>> >> >> >> Sent from the Wicket - User mailing list archive at Nabble.com.
>> >> >> >>
>> >> >> >>
>> >> >> >>
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