1 <?php
 2 /**
 3  * Represents a column in the database with the type 'Time'.
 4  * 
 5  * @todo Add localization support, see http://open.silverstripe.com/ticket/2931
 6  * 
 7  * @package sapphire
 8  * @subpackage model
 9  */
10 class Time extends DBField {
11 
12     function setValue($value) { 
13         if($value) {
14             if(preg_match( '/(\d{1,2})[:.](\d{2})([a|A|p|P|][m|M])/', $value, $match )) $this->TwelveHour( $match );
15             else $this->value = date('H:i:s', strtotime($value));
16         } else { 
17             $value = null;
18         }
19     }
20 
21     /**
22      * Return a user friendly format for time
23      * in a 12 hour format.
24      * 
25      * @return string Time in 12 hour format
26      */
27     function Nice() {
28         if($this->value) return date('g:ia', strtotime($this->value));
29     }
30 
31     /**
32      * Return a user friendly format for time
33      * in a 24 hour format.
34      * 
35      * @return string Time in 24 hour format
36      */
37     function Nice24() {
38         if($this->value) return date('H:i', strtotime($this->value));
39     }
40     
41     /**
42      * Return the time using a particular formatting string.
43      * 
44      * @param string $format Format code string. e.g. "g:ia"
45      * @return string The date in the requested format
46      */
47     function Format($format) {
48         if($this->value) return date($format, strtotime($this->value));
49     }
50     
51     function TwelveHour( $parts ) {
52         $hour = $parts[1];
53         $min = $parts[2];
54         $half = $parts[3];
55         
56         // the transmation should exclude 12:00pm ~ 12:59pm
57         $this->value = (( (strtolower($half) == 'pm') && $hour != '12') ? $hour + 12 : $hour ) .":$min:00";
58     }
59 
60     function requireField() {
61         $parts=Array('datatype'=>'time', 'arrayValue'=>$this->arrayValue);
62         $values=Array('type'=>'time', 'parts'=>$parts);
63         DB::requireField($this->tableName, $this->name, $values);
64     }
65     
66     public function scaffoldFormField($title = null, $params = null) {
67         return new TimeField($this->name, $title);
68     }
69     
70 }
71 ?>