https://www.fundacionrap.org/media/plugins/countdown/js/jquery.countdown.min.js

1/*
2 * jQuery The Final Countdown plugin v1.0.0 beta
3 * http://github.com/hilios/jquery.countdown
4 *
5 * Copyright (c) 2011 Edson Hilios
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26(function($) {
27  
28  $.fn.countdown = function(toDate, callback) {
29    var handlers = ['seconds', 'minutes', 'hours', 'days', 'weeks', 'daysLeft'];
30    
31    function delegate(scope, method) {
32      return function() { return method.call(scope) }
33    }
34    
35    return this.each(function() {
36      // Convert
37      if(!(toDate instanceof Date)) {
38        if(String(toDate).match(/^[0-9]*$/)) {
39          toDate = new Date(toDate);
40        } else if( toDate.match(/([0-9]{1,2})\/([0-9]{1,2})\/([0-9]{2,4})\s([0-9]{1,2})\:([0-9]{2})\:([0-9]{2})/) ||
41            toDate.match(/([0-9]{2,4})\/([0-9]{1,2})\/([0-9]{1,2})\s([0-9]{1,2})\:([0-9]{2})\:([0-9]{2})/)
42            ) {
43          toDate = new Date(toDate);
44        } else if(toDate.match(/([0-9]{1,2})\/([0-9]{1,2})\/([0-9]{2,4})/) || 
45                  toDate.match(/([0-9]{2,4})\/([0-9]{1,2})\/([0-9]{1,2})/)
46                  ) {
47          toDate = new Date(toDate)
48        } else {
49          throw new Error("Doesn't seen to be a valid date object or string")
50        }
51      }
52      
53      var $this = $(this),
54          values = {},
55          lasting = {},
56          interval = $this.data('countdownInterval'),
57          currentDate = new Date(),
58          secondsLeft = Math.floor((toDate.valueOf() - currentDate.valueOf()) / 1000);
59      
60      function triggerEvents() {
61        secondsLeft--;
62        if(secondsLeft < 0) {
63          secondsLeft = 0;
64        }
65        lasting = {
66          seconds : secondsLeft % 60,
67          minutes : Math.floor(secondsLeft / 60) % 60,
68          hours   : Math.floor(secondsLeft / 60 / 60) % 24,
69          days    : Math.floor(secondsLeft / 60 / 60 / 24),
70          weeks   : Math.floor(secondsLeft / 60 / 60 / 24 / 7),
71          daysLeft: Math.floor(secondsLeft / 60 / 60 / 24) % 7
72        }
73        for(var i=0; i<handlers.length; i++) {
74          var eventName = handlers[i];
75          if(values[eventName] != lasting[eventName]) {
76            values[eventName] = lasting[eventName];
77            dispatchEvent(eventName);
78          }
79        }
80        if(secondsLeft == 0) { 
81          stop();
82          dispatchEvent('finished');
83        }
84      }
85      triggerEvents();
86      
87      function dispatchEvent(eventName) {
88        var event = $.Event(eventName);
89        event.date  = new Date(new Date().valueOf() + secondsLeft);
90        event.value = values[eventName] || "0";
91        event.toDate = toDate;
92        event.lasting = lasting;
93        switch(eventName) {
94          case "seconds":
95          case "minutes":
96          case "hours":
97            event.value = event.value < 10 ? '0'+event.value.toString() : event.value.toString();
98            break;
99          default:
100            if(event.value) {
101              event.value = event.value.toString();
102            }
103            break;
104        }
105        callback.call($this, event);
106      }
107      
108      $this.bind('remove', function() {
109        stop(); // If the selector is removed clear the interval for memory sake!
110        dispatchEvent('removed');
111      });
112      
113      function stop() {
114        clearInterval(interval);
115      }
116
117      function start() {
118        $this.data('countdownInterval', setInterval(delegate($this, triggerEvents), 1000));
119        interval = $this.data('countdownInterval');
120      }
121      
122      if(interval) stop();
123      start();
124    });
125  }
126  // Wrap the remove method to trigger an event when called
127  var removeEvent = new $.Event('remove'),
128      removeFunction = $.fn.remove;
129  $.fn.remove = function() {
130    $(this).trigger(removeEvent);
131    return removeFunction.apply(this, arguments);
132  }
133})(jQuery);