AjaxEventSender.java

package de.flower.common.ui.ajax.event;

import de.flower.common.model.db.entity.IEntity;
import org.apache.wicket.Component;
import org.apache.wicket.event.Broadcast;

/**
 * Small wrapper to minimize coding effort when sending wicket events for ajax updates.
 */
public final class AjaxEventSender {

    /**
     * Instantiates a new ajax event sender.
     */
    private AjaxEventSender() {
    }

    /**
     * Send ajax event. Saves client from typing Broadcast.DEPTH every time.
     *
     * @param sender the sender
     * @param payload the payload
     * NOTE: try to use typed methods of this class. e.g. {@link #entityEvent(Component, Class)}.
     */
    public static void send(final Component sender, final Object payload) {
        sender.send(sender.getPage(), Broadcast.DEPTH, payload);
    }

    /**
     * Send entity changed event.
     *
     * @param sender the sender
     * @param entityClass the entity class
     */
    public static void entityEvent(final Component sender, final Class<? extends IEntity> entityClass) {
        send(sender, entityClass);
    }


}