File sapphire/core/model/fieldtypes/ForeignKey.php

 1 <?php
 2 /**
 3  * A special type Int field used for foreign keys in has_one relationships.
 4  * @uses ImageField
 5  * @uses SimpleImageField
 6  * @uses FileIFrameField
 7  * @uses DropdownField
 8  * 
 9  * @param string $name
10  * @param DataOject $object The object that the foreign key is stored on (should have a relation with $name) 
11  * 
12  * @package sapphire
13  * @subpackage model
14  */
15 class ForeignKey extends Int {
16 
17     /**
18      * @var DataObject 
19      */
20     protected $object;
21 
22     public static $default_search_filter_class = 'ExactMatchMultiFilter';
23     
24     function __construct($name, $object = null) {
25         $this->object = $object;
26         parent::__construct($name);
27     }
28     
29     public function scaffoldFormField($title = null, $params = null) {
30         $relationName = substr($this->name,0,-2);
31         $hasOneClass = $this->object->has_one($relationName);
32 
33         if($hasOneClass && singleton($hasOneClass) instanceof Image) {
34             if(isset($params['ajaxSafe']) && $params['ajaxSafe']) {
35                 $field = new ImageField($relationName, $title, $this->value);
36             } else {
37                 $field = new SimpleImageField($relationName, $title, $this->value);
38             }
39         } elseif($hasOneClass && singleton($hasOneClass) instanceof File) {
40             if(isset($params['ajaxSafe']) && $params['ajaxSafe']) {
41                 $field = new FileIFrameField($relationName, $title, $this->value);
42             } else {
43                 $field = new FileField($relationName, $title, $this->value);
44             }
45         } else {
46             $titleField = (singleton($hasOneClass)->hasField('Title')) ? "Title" : "Name";
47             $map = new SQLMap(singleton($hasOneClass)->extendedSQL(), "ID", $titleField);
48             $field =  new DropdownField($this->name, $title, $map, null, null, ' ');
49         }
50         
51         return $field;
52     }
53 }
54 
55 ?>
56

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