org.xaloon.wicket.component.custom.ConfirmationAjaxLink.java Source code

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Here is the source code for org.xaloon.wicket.component.custom.ConfirmationAjaxLink.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.xaloon.wicket.component.custom;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.attributes.AjaxCallListener;
import org.apache.wicket.ajax.attributes.AjaxRequestAttributes;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.model.IModel;

/**
 * @author vytautas r.
 * @param <T>
 */
public abstract class ConfirmationAjaxLink<T> extends AjaxLink<T> {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    /**
     * Provided key to get default message while deleting entry
     */
    private static final String DELETE_CONFIRMATION = "DELETE_CONFIRMATION";

    /**
     * Construct.
     * 
     * @param id
     */
    public ConfirmationAjaxLink(String id) {
        super(id);
    }

    /**
     * Construct.
     * 
     * @param id
     * @param model
     */
    public ConfirmationAjaxLink(final String id, final IModel<T> model) {
        super(id, model);
    }

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

        AjaxCallListener myAjaxCallListener = new AjaxCallListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public CharSequence getBeforeHandler(Component component) {
                return "if(!confirm('" + getString(DELETE_CONFIRMATION) + "')) return false;";
            }
        };
        attributes.getAjaxCallListeners().add(myAjaxCallListener);
    }
}