HideableAjaxPagingNavigator.java

package fr.openwide.core.wicket.more.markup.html.navigation.paging;

import org.apache.wicket.Component;
import org.apache.wicket.MarkupContainer;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.navigation.paging.IPageable;
import org.apache.wicket.markup.html.navigation.paging.IPagingLabelProvider;
import org.apache.wicket.markup.repeater.AbstractRepeater;

public class HideableAjaxPagingNavigator extends HideablePagingNavigator {
	private static final long serialVersionUID = -4406782762372796027L;
	
	public HideableAjaxPagingNavigator(String id, IPageable pageable) {
		super(id, pageable, null);
	}
	
	public HideableAjaxPagingNavigator(String id, IPageable pageable, IPagingLabelProvider labelProvider) {
		super(id, pageable, labelProvider);
	}
	
	public HideableAjaxPagingNavigator(String id, IPageable pageable, int viewSize) {
		super(id, pageable, viewSize);
	}

	public HideableAjaxPagingNavigator(String id, IPageable pageable, IPagingLabelProvider labelProvider, int viewSize) {
		super(id, pageable, labelProvider, viewSize);
	}
	
	@Override
	protected void onInitialize() {
		super.onInitialize();
		setOutputMarkupId(true);
	}

	@Override
	protected Link<?> newPagingNavigationLink(String id, IPageable pageable, int pageNumber) {
		return new AjaxBootstrapPagingNavigationLink(id, pageable, pageNumber);
	}
	
	@Override
	protected BootstrapPagingNavigation newNavigation(final String id, final IPageable pageable, final IPagingLabelProvider labelProvider) {
		return new AjaxBootstrapPagingNavigation(id, pageable, labelProvider);
	}
	
	protected void onAjaxEvent(AjaxRequestTarget target) {
		// update the container (parent) of the pageable, this assumes that
		// the pageable is a component, and that it is a child of a web
		// markup container.
		
		Component container = ((Component)getPageable());
		// no need for a nullcheck as there is bound to be a non-repeater
		// somewhere higher in the hierarchy
		while (container instanceof AbstractRepeater) {
			container = container.getParent();
		}
		target.add(container);
		
		// in case the navigator is not contained by the container, we have
		// to add it to the response
		if (((MarkupContainer)container).contains(this, true) == false) {
			target.add(this);
		}
	}
}