com.aipo.mobycket.wicket.markup.html.navigation.paging.AjaxCursorPagingNavigator.java Source code

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Here is the source code for com.aipo.mobycket.wicket.markup.html.navigation.paging.AjaxCursorPagingNavigator.java

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/*
 * Copyright 2004-2014 Aimluck,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 com.aipo.mobycket.wicket.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.repeater.AbstractRepeater;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 */
public class AjaxCursorPagingNavigator extends CursorPagingNavigator {

    @SuppressWarnings("unused")
    private static final Logger logger = LoggerFactory.getLogger(AjaxCursorPagingNavigator.class);

    private static final long serialVersionUID = 2167911171813577721L;
    private final IPageable pageable;

    public AjaxCursorPagingNavigator(final String id, final IPageable pageable) {
        super(id, pageable);
        this.pageable = pageable;
        setOutputMarkupId(true);
    }

    @Override
    protected Link<?> newPagingNavigationIncrementLink(String id, IPageable pageable, int increment) {
        return new AjaxCursorPagingNavigationIncrementLink(id, pageable, increment);
    }

    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) pageable);
        // 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.addComponent(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.addComponent(this);
        }
    }
}