org.efaps.ui.wicket.components.menu.ajax.AbstractItemBehavior.java Source code

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Here is the source code for org.efaps.ui.wicket.components.menu.ajax.AbstractItemBehavior.java

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/*
 * Copyright 2003 - 2014 The eFaps Team
 *
 * 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.
 *
 * Revision:        $Rev$
 * Last Changed:    $Date$
 * Last Changed By: $Author$
 */

package org.efaps.ui.wicket.components.menu.ajax;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.IAjaxIndicatorAware;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.efaps.ui.wicket.behaviors.dojo.OnDojoReadyHeaderItem;

/**
 * TODO comment!
 *
 * @author The eFaps Team
 * @version $Id$
 */
public abstract class AbstractItemBehavior extends AjaxEventBehavior implements IAjaxIndicatorAware {

    /**
     *
     */
    private static final long serialVersionUID = 1L;

    /**
     * @param _event    event of this behavior
     */
    public AbstractItemBehavior(final String _event) {
        super(_event);
    }

    @Override
    public void renderHead(final Component _component, final IHeaderResponse _response) {
        if (_component.isEnabledInHierarchy()) {
            final CharSequence js = getCallbackScript(_component);

            final AjaxRequestTarget target = _component.getRequestCycle().find(AjaxRequestTarget.class);
            if (target == null) {
                _response.render(OnDojoReadyHeaderItem.forScript(js.toString()));
            } else {
                target.appendJavaScript(js);
            }
        }
    }

    @Override
    public String getAjaxIndicatorMarkupId() {
        return "eFapsVeil";
    }
}