dk.teachus.frontend.components.ConfirmClickBehavior.java Source code

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Here is the source code for dk.teachus.frontend.components.ConfirmClickBehavior.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 dk.teachus.frontend.components;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.util.string.JavaScriptUtils;
import org.apache.wicket.util.string.Strings;

public class ConfirmClickBehavior extends Behavior {
    private static final long serialVersionUID = 1L;
    private final String confirmScript;

    public ConfirmClickBehavior(String confirmText) {
        if (Strings.isEmpty(confirmText) == false) {
            StringBuilder b = new StringBuilder();
            b.append("return confirm('");
            b.append(JavaScriptUtils.escapeQuotes(confirmText));
            b.append("');");

            this.confirmScript = b.toString();
        } else {
            this.confirmScript = null;
        }
    }

    @Override
    public void bind(Component component) {
        component.add(AttributeModifier.replace("onclick", confirmScript));
    }

    @Override
    public boolean isEnabled(Component component) {
        return component.isEnabled() && Strings.isEmpty(confirmScript) == false;
    }
}