jquery.content-change.php
| 1 | <?php |
| 2 | /** |
| 3 | * @package Freemius |
| 4 | * @copyright Copyright (c) 2015, Freemius, Inc. |
| 5 | * @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3 |
| 6 | * @since 1.2.2.7 |
| 7 | */ |
| 8 | if ( ! defined( 'ABSPATH' ) ) { |
| 9 | exit; |
| 10 | } |
| 11 | ?> |
| 12 | <script type="text/javascript"> |
| 13 | (function ($) { |
| 14 | if ($.fn.contentChange) |
| 15 | return; |
| 16 | |
| 17 | /** |
| 18 | * Content change event listener. |
| 19 | * |
| 20 | * @url http://stackoverflow.com/questions/3233991/jquery-watch-div/3234646#3234646 |
| 21 | * |
| 22 | * @param {function} callback |
| 23 | * |
| 24 | * @returns {object[]} |
| 25 | */ |
| 26 | $.fn.contentChange = function (callback) { |
| 27 | var elements = $(this); |
| 28 | |
| 29 | elements.each(function () { |
| 30 | var element = $(this); |
| 31 | |
| 32 | element.data("lastContents", element.html()); |
| 33 | |
| 34 | window.watchContentChange = window.watchContentChange ? |
| 35 | window.watchContentChange : |
| 36 | []; |
| 37 | |
| 38 | window.watchContentChange.push({ |
| 39 | "element" : element, |
| 40 | "callback": callback |
| 41 | }); |
| 42 | }); |
| 43 | |
| 44 | return elements; |
| 45 | }; |
| 46 | |
| 47 | setInterval(function() { |
| 48 | if ( window.watchContentChange ) { |
| 49 | for ( var i in window.watchContentChange ) { |
| 50 | if ( window.watchContentChange[ i ].element.data( 'lastContents' ) !== window.watchContentChange[ i ].element.html() ) { |
| 51 | window.watchContentChange[ i ].callback.apply( undefined, [ false ] ); |
| 52 | window.watchContentChange[ i ].element.data( 'lastContents', window.watchContentChange[ i ].element.html() ) |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | }, 500 ); |
| 57 | })(jQuery); |
| 58 | </script> |