git.stricted.de - GitHub/WoltLab/WCF.git/blob

   1 <?php
   2 namespace wcf\system\form\builder\field\dependency;
   3 use wcf\system\form\builder\field\IFormField;
   4 use wcf\system\form\builder\IFormNode;
   5 use wcf\system\WCF;
   6
   7 /**
   8  * Abstract implementation of a form field dependency.
   9  *
  10  * @author      Matthias Schmidt
  11  * @copyright   2001-2018 WoltLab GmbH
  12  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  13  * @package     WoltLabSuite\Core\System\Form\Builder\Field\Dependency
  14  * @since       5.2
  15  */
  16 abstract class AbstractFormFieldDependency implements IFormFieldDependency {
  17         /**
  18          * node whose availability depends on the value of a field
  19          * @var IFormNode
  20          */
  21         protected $__dependentNode;
  22
  23         /**
  24          * field the availability of the node dependents on
  25          * @var IFormField
  26          */
  27         protected $__field;
  28
  29         /**
  30          * id of the dependency
  31          * @var string
  32          */
  33         protected $__id;
  34
  35         /**
  36          * name of the template containing the dependency JavaScript code
  37          * @var null|string
  38          */
  39         protected $templateName;
  40
  41         /**
  42          * @inheritDoc
  43          */
  44         public function dependentNode(IFormNode $node) {
  45                 $this->__dependentNode = $node;
  46
  47                 return $this;
  48         }
  49
  50         /**
  51          * @inheritDoc
  52          */
  53         public function field(IFormField $field) {
  54                 $this->__field = $field;
  55
  56                 return $this;
  57         }
  58
  59         /**
  60          * @inheritDoc
  61          */
  62         public function getDependentNode() {
  63                 if ($this->__dependentNode === null) {
  64                         throw new \BadMethodCallException("Dependent node has not been set.");
  65                 }
  66
  67                 return $this->__dependentNode;
  68         }
  69
  70         /**
  71          * @inheritDoc
  72          */
  73         public function getField() {
  74                 if ($this->__field === null) {
  75                         throw new \BadMethodCallException("Field has not been set.");
  76                 }
  77
  78                 return $this->__field;
  79         }
  80
  81         /**
  82          * @inheritDoc
  83          */
  84         public function getId() {
  85                 return $this->__id;
  86         }
  87
  88         /**
  89          * @inheritDoc
  90          */
  91         public function getHtml() {
  92                 if ($this->templateName === null) {
  93                         throw new \LogicException("Template name is not set.");
  94                 }
  95
  96                 return WCF::getTPL()->fetch($this->templateName, 'wcf', [
  97                         'dependency' => $this
  98                 ], true);
  99         }
 100
 101         /**
 102          * Sets the id of this dependency and returns this dependency.
 103          *
 104          * @param       string          $id             id of the dependency
 105          * @return      static          $this           this dependency
 106          *
 107          * @throws      \InvalidArgumentException       if given id no or otherwise invalid
 108          */
 109         protected function id($id) {
 110                 if (preg_match('~^[a-z][A-z0-9-]*$~', $id) !== 1) {
 111                         throw new \InvalidArgumentException("Invalid id '{$id}' given.");
 112                 }
 113
 114                 $this->__id = $id;
 115
 116                 return $this;
 117         }
 118
 119         /**
 120          * @inheritDoc
 121          * @return      static
 122          */
 123         public static function create($id) {
 124                 return (new static)->id($id);
 125         }
 126 }