Re: DataTable update components on Page Change

[David Beer]

Hi Francois

Thanks for the pointers I have now solved this problem thanks again.

David
On 12/05/13 18:38, David Beer wrote:

Hi Francois

Thanks for your help, this useful in firing the event but how can I get it so that the buttons state is updated on the page. Sorry If I am missing something but am having trouble seeing how I can do this if I can't get hold of the AjaxRequestTarget.

I am using wicket 6.6.0

Thanks for your help really appreciated

David

On 12/05/13 09:40, Francois Meillet wrote:

Hi David,

With the event mechanism, you don't need to keep reference.
Yours components keep loosely coupled.

In the onPageChanged() method you can send an event like this
send(getPage(), Broadcast.BREADTH, new YourEvent());


see the exemple: http://www.wicket-library.com/wicket-examples/events/

and at the end of this page : http://wicket.apache.org/2011/09/07/wicket-1.5-released.html

François Meillet
Formation Wicket - Développement Wicket





Le 11 mai 2013 à 17:37, David Beer <david.m.b...@gmail.com> a écrit :

Hi Francois

Thanks for the reply I am not sure howfrom a reference to my table which Extends DataTable I can update the button when the onPageChanged() method is fired. My Table looks like the following.

AJaxTable<Contact, String> contacts = new AJaxTable<Contact, String>("persons", columns, new SortableContactDataProvider(), 10) {

            @Override
            protected void onPageChanged() {
                super.onPageChanged();
                System.out.println("Page Changed");
                //enable or disable submitButton
            }
        };

submitButton is initialized as follows:

submitButton = new DefaultBootstrapButton("submit-button", Model.of("Submit"));

        submitButton.add(new ButtonBehavior(Buttons.Type.Primary));
        submitButton.setOutputMarkupId(true);
        submitButton.setEnabled(false);

AjaxTable class looks like the following:

public class AJaxTable<T, S> extends DataTable<T, S> {

public AJaxTable(String id, List columns, ISortableDataProvider dataProvider, int rowsPerPage) {

        super(id, columns, dataProvider, rowsPerPage);
        setOutputMarkupId(true);
        setVersioned(false);
        addTopToolbar(new HeadersToolbar(this, dataProvider));
        addBottomToolbar(new NoRecordsToolbar(this));
        addBottomToolbar(new BootstrapNavigationToolbar(this));
    }

}

Any help or examples are much appreciated.

Thanks

David

On 11/05/13 08:27, Francois Meillet wrote:

You can use the event handling mechanism.


François Meillet
Formation Wicket - Développement Wicket





Le 11 mai 2013 à 01:17, David Beer <david.m.b...@gmail.com> a écrit :

Hi All

I have an Ajax DataTable that extends DataTable and when I click the navigation panel to change page in the table I would like to make sure that the necessary components are disable or enabled. What is the best way of doing this?

So on onPageChanged I would like to enable or disable my form submit buttons. The buttons are Ajax enabled.

Thanks

David

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