JavascriptEventConfirmation.java

/**
 * Mad-Advertisement
 * Copyright (C) 2011 Thorsten Marx <thmarx@gmx.net>
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.mad.ads.manager.web.component.confirm;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.model.Model;

public class JavascriptEventConfirmation extends AttributeModifier {
	
	/**
	 * 
	 */
	private static final long serialVersionUID = -3493727994650457706L;

	public JavascriptEventConfirmation(String event, String msg) {
		super(event, new Model<String>(msg));
	}

	protected String newValue(final String currentValue, final String replacementValue) {
		String prefix = "var conf = confirm('" + replacementValue + "'); " +
			"if (!conf) return false; ";
		String result = prefix;
		if (currentValue != null) {
			result = prefix + currentValue;
		}
		return result;
	}
}