org.wicketstuff.minis.behavior.VisibleModelBehavior.java Source code

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Here is the source code for org.wicketstuff.minis.behavior.VisibleModelBehavior.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.wicketstuff.minis.behavior;

import org.apache.wicket.Component;
import org.apache.wicket.model.IModel;

/**
 * Behavior that sets whether a component is visible based on the value of the dependent Boolean
 * model.
 */
public class VisibleModelBehavior extends DependentModelBehavior<Boolean> {

    /**
     * Constructor.
     *
     * @param dependentModel
     *            model of whether the component should be visible
     */
    public VisibleModelBehavior(final IModel<Boolean> dependentModel) {
        super(dependentModel);
    }

    @Override
    public void onConfigure(final Component component) {
        super.onConfigure(component);
        Boolean visible = getDependentModel().getObject();
        component.setVisible(visible != null && visible);
    }

}