1 <?php
 2 /**
 3  * Specify special required fields to be executed as part of form validation
 4  * @package forms
 5  * @subpackage validators
 6  */
 7 class CustomRequiredFields extends RequiredFields{
 8     protected $required;
 9         
10     /**
11      * Pass each field to be validated as a seperate argument
12      * @param $required array The list of required fields
13      */
14     function __construct($required) {
15         $this->required = $required;
16     }
17     
18     /**
19      * Creates the client side validation from form fields
20      * which is generated at the header of each page 
21      */
22     function javascript() {
23         $code = '';
24         $fields = $this->form->Fields();
25         foreach($fields as $field){
26             //if the field type has some special specific specification for validation of itself
27             $valid = $field->jsValidation();
28             if($valid){
29                 $code .= $valid;
30             }
31         }
32         if(is_array($this->required)){
33 
34             foreach($this->required as $field) {
35                 if(is_array($field)) {
36                     if (isset($field['js']))
37                         $code .= $field['js'] . "\n";
38                 }else if($fields->dataFieldByName($field)) {
39                     //$code .= "                        require('$field');\n";
40                     //Tabs for output tabbing :-)
41                     $code .= <<<JS
42                         if(typeof fromAnOnBlur != 'undefined'){\n
43                             if(fromAnOnBlur.name == '$field')\n
44                                 require(fromAnOnBlur);\n
45                         }else{
46                             require('$field');
47                         }
48 JS;
49     
50                 }
51             }
52         }else{
53             USER_ERROR("CustomRequiredFields::requiredfields is not set / not an array",E_USER_WARNING);
54         }
55         return $code;
56     }
57     
58     /**
59      * Creates the server side validation from form fields
60      * which is executed on form submission
61      */
62     function php($data) {
63         $fields = $this->form->Fields();
64         $valid = true;
65         foreach($fields as $field) {
66             $valid = ($field->validate($this) && $valid);
67         }
68         if($this->required){
69             foreach($this->required as $key => $fieldName) {
70                 if(is_string($fieldName)) $formField = $fields->dataFieldByName($fieldName);
71                 if(is_array($fieldName) && isset($fieldName['php'])){
72                     eval($fieldName['php']);
73                 }else if($formField) {
74                     // if an error is found, the form is returned.
75                     if(!$data[$fieldName] || preg_match('/^\s*$/', $data[$fieldName])) {
76                         $this->validationError(
77                             $fieldName,
78                                                         sprintf(_t('Form.FIELDISREQUIRED', "%s is required."),
79                                                                 $formField->Title()),
80                             "required"
81                         );
82                         return false;
83                     }
84                 }
85             }   
86         }
87         return $valid;
88     }
89     
90     /**
91      * allows you too add more required fields to this object after construction.
92      */
93     function appendRequiredFields($requiredFields){
94         $this->required = array_merge($this->required,$requiredFields->getRequired());
95     }
96 }
97 
98 ?>