GuardedAjaxLink.java

package net.rrm.ehour.ui.common.formguard;

import net.rrm.ehour.ui.common.decorator.LoadingSpinnerDecorator;
import org.apache.wicket.ajax.attributes.AjaxCallListener;
import org.apache.wicket.ajax.attributes.AjaxRequestAttributes;
import org.apache.wicket.ajax.attributes.IAjaxCallListener;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.markup.html.IHeaderContributor;

import java.util.List;

public abstract class GuardedAjaxLink<T> extends AjaxLink<T> implements IHeaderContributor {
    public GuardedAjaxLink(String id) {
        super(id);
    }

    @Override
    protected void updateAjaxAttributes(AjaxRequestAttributes attributes) {
        super.updateAjaxAttributes(attributes);

        List<IAjaxCallListener> listeners = attributes.getAjaxCallListeners();

        AjaxCallListener listener = new GuardFormAjaxCallListener();
        listeners.add(listener);

        listeners.add(new LoadingSpinnerDecorator());
    }
}