org.wicketopia.domdrides.component.link.ajax.AjaxRemoveEntityLink Maven / Gradle / Ivy
/*
* Copyright (c) 2011 Carman Consulting, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wicketopia.domdrides.component.link.ajax;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.model.IModel;
import org.domdrides.entity.Entity;
import org.domdrides.repository.Repository;
import java.io.Serializable;
/**
* An ajax-enabled link that removes an entity.
* @since 1.0
*/
public abstract class AjaxRemoveEntityLink,IdType extends Serializable> extends AjaxLink
{
//----------------------------------------------------------------------------------------------------------------------
// Fields
//----------------------------------------------------------------------------------------------------------------------
private static final long serialVersionUID = 1L;
private final Repository repository;
//----------------------------------------------------------------------------------------------------------------------
// Constructors
//----------------------------------------------------------------------------------------------------------------------
public AjaxRemoveEntityLink( String id, Repository repository, IModel model )
{
super(id, model);
this.repository = repository;
}
//----------------------------------------------------------------------------------------------------------------------
// Abstract Methods
//----------------------------------------------------------------------------------------------------------------------
/**
* Subclasses must override this to provide behavior after the entity has been removed (like redirecting to another page,
* perhaps). Typically this would be used to update whatever component(s) displayed this link in the first place
* (such as a table or list).
*
* @param entity the entity that was removed
* @param ajaxRequestTarget the ajax request target
*/
protected abstract void afterRemove(EntityType entity, AjaxRequestTarget ajaxRequestTarget);
//----------------------------------------------------------------------------------------------------------------------
// IAjaxLink Implementation
//----------------------------------------------------------------------------------------------------------------------
public final void onClick( AjaxRequestTarget ajaxRequestTarget )
{
final EntityType entity = getModelObject();
repository.remove(entity);
afterRemove(entity, ajaxRequestTarget);
}
}