Hi,
See ListView#setReuseItems() javadoc
Martin Grigorov
Wicket Training and Consulting
On Sun, Mar 23, 2014 at 7:26 PM, Entropy <blmulholl...@gmail.com> wrote:
> I have a listview where each row has an expandable section in it to show
> additonal detail on some rows. That works. But two aspects aren't
> working.
>
> 1) I am trying to change the + on the button to a -, and then back again
> when we collapse. My code looks like:
> if(invokingButton.getLabel().getObject().equals("+"))
> invokingButton.setLabel(new Model<String>("-"));
> else
> invokingButton.setLabel(new Model<String>("+"));
> target.add(invokingButton);
>
> The label never changes. From stepping in, I can say that yes, the label
> set to "-" line does run when expected. yes, outputmarkupId is set to
> true.
>
> Button code when created:
> item.add(new AjaxButton("btnExpander"){
> private static final long
> serialVersionUID = 1L;
> public void
> onSubmit(AjaxRequestTarget target, Form form) {
>
> onActivityLogExpansion(target, this, activity);
> }
> }.setLabel(new Model<String>("+"))
> .setOutputMarkupId(true).setVisible(showReject ||
> showSubmit)
> .setOutputMarkupPlaceholderTag(true));
>
>
> 2) When I go to collapse the row, the event gets to the server, things seem
> to work stepping through the code, but then the region does not collapse
> and
> I get the following in the wicket ajax debug:
>
> INFO:
> <?xml version="1.0" encoding="UTF-8"?><ajax-response><component
> id="expandableWhenReject4c" ></component><component id="btnExpander47"
> ></component><header-contribution encoding="wicket1"
> ></header-contribution><evaluate></evaluate></ajax-response>
> ERROR: Wicket.Ajax.Call.processComponent: Component with id
> [[expandableWhenReject4c]] was not found while trying to perform markup
> update. Make sure you called component.setOutputMarkupId(true) on the
> component whose markup you are trying to update.
> INFO: Response processed successfully.
> INFO: refocus last focused component not needed/allowed
> INFO: focus set on wicketDebugLink
> INFO: focus removed from wicketDebugLink
>
> The container being hidden is created as:
> WebMarkupContainer expandableReject = new
> WebMarkupContainer("expandableWhenReject", new
> Model<ShareActivityPlusDecode>((ShareActivityPlusDecode)
> item.getDefaultModel().getObject()));
> expandableReject.setVisible(false);
> expandableReject.setOutputMarkupId(true);
>
> expandableReject.setOutputMarkupPlaceholderTag(true);
>
> and in the event:
>
> WebMarkupContainer wmc = (WebMarkupContainer)
> invokingButton.getParent().get("expandableWhenReject");
> wmc.setVisible(!wmc.isVisible());
> target.add(wmc);
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/ajax-event-not-quite-working-as-planned-tp4665083.html
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>
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