org.dcm4chee.wizard.common.behavior.MarkInvalidBehavior.java Source code

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Here is the source code for org.dcm4chee.wizard.common.behavior.MarkInvalidBehavior.java

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2012
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

package org.dcm4chee.wizard.common.behavior;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.feedback.FeedbackMessages;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.form.FormComponent;

/**
 * @author Franz Willer <franz.willer@gmail.com>
 */
public class MarkInvalidBehavior extends Behavior {
    private static final long serialVersionUID = 5109347770809331652L;

    private String msg;

    @Override
    public void beforeRender(Component component) {
        msg = null;
        if (component instanceof FormComponent<?>) {
            FormComponent<?> fc = (FormComponent<?>) component;
            if (!fc.isValid()) {
                FeedbackMessages fbMsg = fc.getFeedbackMessages();
                msg = fbMsg != null ? msg = fbMsg.first().getMessage().toString() : "";
                if (fbMsg != null)
                    fbMsg.first().markRendered();
            }
        }
    }

    @Override
    public void onComponentTag(Component component, ComponentTag tag) {
        if (msg != null) {
            tag.put("class", tag.getAttribute("class") + " invalid");
            tag.put("title", msg);
        }
    }
}