https://www.dut.ac.za/wp-content/themes/stylish/styles/jquery.uitablefilter.js?ver=7.1

1/*
2 * Copyright (c) 2008 Greg Weber greg at gregweber.info
3 * Dual licensed under the MIT and GPLv2 licenses just as jQuery is:
4 * http://jquery.org/license
5 *
6 * documentation at http://gregweber.info/projects/uitablefilter
7 *
8 * allows table rows to be filtered (made invisible)
9 * <code>
10 * t = $('table')
11 * $.uiTableFilter( t, phrase )
12 * </code>
13 * arguments:
14 *   jQuery object containing table rows
15 *   phrase to search for
16 *   optional arguments:
17 *     column to limit search too (the column title in the table header)
18 *     ifHidden - callback to execute if one or more elements was hidden
19 */
20(function($) {
21  $.uiTableFilter = function(jq, phrase, column, ifHidden){
22    var new_hidden = false;
23    if( this.last_phrase === phrase ) return false;
24
25    var phrase_length = phrase.length;
26    var words = phrase.toLowerCase().split(" ");
27
28    // these function pointers may change
29    var matches = function(elem) { elem.show() }
30    var noMatch = function(elem) { elem.hide(); new_hidden = true }
31    var getText = function(elem) { return elem.text() }
32
33    if( column ) {
34      var index = null;
35      jq.find("thead > tr:last > th").each( function(i){
36        if( $.trim($(this).text()) == column ){
37          index = i; return false;
38        }
39      });
40      if( index == null ) throw("given column: " + column + " not found")
41
42      getText = function(elem){ return $(elem.find(
43        ("td:eq(" + index + ")")  )).text()
44      }
45    }
46
47    // if added one letter to last time,
48    // just check newest word and only need to hide
49    if( (words.size > 1) && (phrase.substr(0, phrase_length - 1) ===
50          this.last_phrase) ) {
51
52      if( phrase[-1] === " " )
53      { this.last_phrase = phrase; return false; }
54
55      var words = words[-1]; // just search for the newest word
56
57      // only hide visible rows
58      matches = function(elem) {;}
59      var elems = jq.find("tbody:first > tr:visible")
60    }
61    else {
62      new_hidden = true;
63      var elems = jq.find("tbody:first > tr")
64    }
65
66    elems.each(function(){
67      var elem = $(this);
68      $.uiTableFilter.has_words( getText(elem), words, false ) ?
69        matches(elem) : noMatch(elem);
70    });
71
72    last_phrase = phrase;
73    if( ifHidden && new_hidden ) ifHidden();
74    return jq;
75  };
76
77  // caching for speedup
78  $.uiTableFilter.last_phrase = ""
79

80  // not jQuery dependent
81  // "" [""] -> Boolean
82  // "" [""] Boolean -> Boolean
83  $.uiTableFilter.has_words = function( str, words, caseSensitive )
84  {
85    var text = caseSensitive ? str : str.toLowerCase();
86    for (var i=0; i < words.length; i++) {
87      if (text.indexOf(words[i]) === -1) return false;
88    }
89    return true;
90  }
91}) (jQuery);