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# anim_gallery.js Example File

webkit/webkit-guide/js/anim_gallery.js

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the Qt WebKit module of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of The Qt Company Ltd nor the names of its
     **     contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
     **
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/
     var app = new Function();

     app.init = function() {
         var divs = document.querySelectorAll('section > div');
         if ( divs.length < 2 ) return false;
         for (var i = 0, l = divs.length ; i < l ; i++ ) {
             if (i > 1) divs[i].className = 'hideR';
             divs[i].addEventListener('click', app.navigate );
         }
         divs[0].className = 'selected';
         divs[1].className = 'queueR';
     };

     app.navigate = function(event) {
         var el, n1, n2, p1, p2;
         el = event.currentTarget;
         n1 = el.nextSibling;
         if (n1) n2 = el.nextSibling.nextSibling;
         p1 = el.previousSibling;
         if (p1) p2 = el.previousSibling.previousSibling;
         if ( el.className == 'selected' ) {
             if ( el.id == 'reveal') {
                 el.id = '';
             }
             else {
                 el.id = 'reveal';
             }
             return false;
         }
         if (n1) { n1.className = 'queueR'; n1.id = ''}
         if (n2) { n2.className = 'hideR'; n2.id = '' }
         if (p1) { p1.className = 'queueL'; p1.id = '' }
         if (p2) { p2.className = 'hideL'; p2.id = '' }
         el.className = 'selected';
     };

     window.onload = function() {
         // alert(app.init);
          app.init();
     };