/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * 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, version 2 of the License.

  *

  * 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. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.htmlpage.api;

 /** Controller created via {@link OnEvent#of(org.apidesign.bck2brwsr.htmlpage.api.Element[])}.

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public final class OnController {

     private final Element[] arr;

     private final OnEvent event;

     OnController(OnEvent event, Element[] arr) {

         this.event = event;

         this.arr = arr;

     }

     /** Registers an event handler on associated {@link OnEvent}

      * and {@link Element}

      * 

      * @param handler the handler to be called when the event occurs

      */

     public void perform(final OnHandler handler) {

         for (Element e : arr) {

             e.on(event, handler);

         }

     }

     /** Registers a runnable to be performed on associated {@link OnEvent} 

      * and {@link Element}.

      * 

      * @see OnEvent#of

      */

     public void perform(final Runnable r) {

         class W implements OnHandler {

             @Override

             public void onEvent(Object event) throws Exception {

                 r.run();

             }

         }

         perform(new W());

         OnHandler w = new W();

         for (Element e : arr) {

             e.on(event, w);

         }

     }

 }