Jose, Check this out
https://issues.apache.org/jira/browse/WICKET-1312
<https://issues.apache.org/jira/browse/WICKET-1312>
On Wed, Sep 8, 2010 at 12:38 PM, MONZON Jose [via Apache Wicket] <
ml-node+2531520-6845597-65...@n4.nabble.com<ml-node%2b2531520-6845597-65...@n4.nabble.com>
> wrote:
> What you want is to implement the EventBus pattern (formally Observer
> Pattern).
>
> Basically, with an Eventbus, your panels subscribe to a given event and
> when some other panel "fires" that event the subscriber gets the
> message:
>
> Panel1:
> //Subscribe to event Type1.
> eventBus.addHandler(EventType1.class,
> new EventType1Handler() {
> @Override
> public void oneEvent(final EventType1 event) {
> //do whatever with the event
> }
> });
>
> Panel2:
> onClick(.....){
> ....
> //After some action, fire that something has change to
> all
> //those subscribers that might be interested.
> eventBus.fireEvent(new EventType1(whatever));
> }
>
> I'm quite new using Wicket, but I haven't seen anything like this
> implemented. But I think it's quite trivial. It would be quite nice if
> Wicket itself provides you with an out-of-the-box EventBus, the same way
> GWT does.
>
> Have a look to the GWT implementation, you can practically "copy-paste"
> it. There it's called HandlerManager.
>
> I don't know what's the "standard" way to solve the problem you have.
> Surelly everybody has run into it sooner or later. I'm very interested
> in hearing what a seasoned Wicket developer has to say.
>
>
>
>
> -----Original Message-----
> From: Ben [mailto:[hidden
> email]<http://user/SendEmail.jtp?type=node&node=2531520&i=0>]
>
> Sent: Mittwoch, 8. September 2010 16:15
> To: [hidden email] <http://user/SendEmail.jtp?type=node&node=2531520&i=1>
> Subject: How can I capture the data on one panel 1 when i click submit
> button on panel 2
>
>
> Hi,
>
> I have a page and multiple panels added to it.
>
> e.g I have panel1 and panel2 added to a page.
>
> On Panel I have components RadioChoice, dropdownchoice,text area that
> accepts input from the user.
> Panel 2 has two textfields (accepts the login info) and submit button.
>
> When i click submit button on panel2, how can I capture the data from
> panel1.
>
> Here is my panel1
>
> public class ImageQualityPanel extends Panel {
>
>
> public ImageQualityPanel(String id, WicketAnalysisForm aform) {
> super(id);
>
> ImageQuality imageQuality = new ImageQuality(); //model
>
> add(new ImageQualityForm("imageQualityForm", new
> CompoundPropertyModel(imageQuality), aform));
> }
>
> private static class ImageQualityForm extends Form {
>
> public ImageQualityForm(String id, IModel model,
> WicketAnalysisForm
> aform) {
> super(id, model);
>
> add(new Label("qualityQuestion", (....)));
> add(new Label("safetyQuestion", (...)));
> add(new Label("locationQuestion", (...)));
> add(new Label("commentsQuestion", (...)));
>
> List<String> options = Arrays.asList("Yes", "No");
>
> add(new RadioChoice("qualityGroup", options);
> add(new RadioChoice("criteriaGroup", options);
>
> TextArea notes = new TextArea("notes");
> notes.setRequired(true);
> add(notes);
>
> DropDownChoice group = new DropDownChoice("location");
> group.setChoices(new PropertyModel(model, "location") {
> public Object getObject() {
> List<String> l = new ArrayList<String>(5);
> l.add("Location 1");
> l.add("Location 2");
> l.add("Location 3");
> l.add("Location 4");
> return l;
> }
> });
> add(group);
>
> aform.setImageQuality((ImageQuality)model.getObject());
>
> I am getting null when i try to get the model data.
>
>
> Thanks in anticipation
>
>
> --
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--
Sincerely,
JC (http://www.linkedin.com/in/jcgarciam)
Work smarter, not harder!.
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