ro.nextreports.server.web.common.behavior.ValidationMessageBehavior.java Source code

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Here is the source code for ro.nextreports.server.web.common.behavior.ValidationMessageBehavior.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 ro.nextreports.server.web.common.behavior;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.extensions.markup.html.form.palette.Palette;
import org.apache.wicket.markup.html.form.FormComponent;

/**
 * @author Decebal Suiu
 */
public class ValidationMessageBehavior extends Behavior {

    private static final long serialVersionUID = 1L;

    @Override
    public void afterRender(Component component) {
        super.afterRender(component);

        FormComponent<?> fc = null;
        if (component instanceof Palette) {
            fc = ((Palette<?>) component).getRecorderComponent();
        } else if (component instanceof FormComponent) {
            fc = (FormComponent<?>) component;
        }

        if ((fc != null) && !fc.isValid()) {
            String error;
            if (fc.hasFeedbackMessage()) {
                error = fc.getFeedbackMessages().first().getMessage().toString();
            } else {
                error = "Your input is invalid.";
            }
            component.getResponse().write("<div class=\"validationMessage\">" + error + "</div>");
        }
    }

}