plugins/ClientSideShorten/shorten.js

   1 //wrap everything in a self-executing anonymous function to avoid conflicts
   2 (function(){
   3
   4     // smart(x) from Paul Irish
   5     // http://paulirish.com/2009/throttled-smartresize-jquery-event-handler/
   6
   7     (function($,sr){
   8
   9         // debouncing function from John Hann
  10         // http://unscriptable.com/index.php/2009/03/20/debouncing-javascript-methods/
  11         var debounce = function (func, threshold, execAsap) {
  12             var timeout;
  13
  14             return function debounced () {
  15                 var obj = this, args = arguments;
  16                 function delayed () {
  17                     if (!execAsap)
  18                         func.apply(obj, args);
  19                         timeout = null;
  20                 };
  21
  22                 if (timeout)
  23                     clearTimeout(timeout);
  24                 else if (execAsap)
  25                     func.apply(obj, args);
  26
  27                 timeout = setTimeout(delayed, threshold || 100);
  28             };
  29         }
  30         jQuery.fn[sr] = function(fn){  return fn ? this.bind('keypress', debounce(fn, 1000)) : this.trigger(sr); };
  31
  32     })(jQuery,'smartkeypress');
  33
  34     function longestWordInString(string)
  35     {
  36         var words = string.split(/\s/);
  37         var longestWord = 0;
  38         for(var i=0;i<words.length;i++)
  39             if(words[i].length > longestWord) longestWord = words[i].length;
  40         return longestWord;
  41     }
  42
  43     function shorten()
  44     {
  45         var $noticeDataText = $('#'+SN.C.S.NoticeDataText);
  46         var noticeText = $noticeDataText.val();
  47
  48         if(noticeText.length > maxNoticeLength || longestWordInString(noticeText) > maxUrlLength) {
  49             var original = $noticeDataText.val();
  50             shortenAjax = $.ajax({
  51                 url: $('address .url')[0].href+'/plugins/ClientSideShorten/shorten',
  52                 data: { text: $noticeDataText.val() },
  53                 dataType: 'text',
  54                 success: function(data) {
  55                     if(original == $noticeDataText.val()) {
  56                         $noticeDataText.val(data).keyup();
  57                     }
  58                 }
  59             });
  60         }
  61     }
  62
  63     $(document).ready(function(){
  64         $noticeDataText = $('#'+SN.C.S.NoticeDataText);
  65         $noticeDataText.smartkeypress(function(e){
  66             //if(typeof(shortenAjax) !== 'undefined') shortenAjax.abort();
  67             if(e.charCode == '32') {
  68                 shorten();
  69             }
  70         });
  71         $noticeDataText.bind('paste', function() {
  72             //if(typeof(shortenAjax) !== 'undefined') shortenAjax.abort();
  73             setTimeout(shorten,1);
  74         });
  75     });
  76
  77 })();