Field.inc.php

<?php
namespace PKP\components\forms;
 
abstract class Field {
   public $component;
 
   public $name;
 
   public $label = '';
 
   public $description;
 
   public $tooltip;
 
   public $helpTopic;
 
   public $helpSection;
 
   public $groupId;
 
   public $isRequired = false;
 
   public $isMultilingual = false;
 
   public $value;
 
   public $default;
 
   public $showWhen;
 
   private $_requiredProperties = array('name', 'component');
 
   public function __construct($name, $args = array()) {
      $this->name = $name;
      foreach ($args as $key => $value) {
         if (property_exists($this, $key)) {
            $this->{$key} = $value;
         }
      }
   }
 
   public function getConfig() {
      if (!$this->validate()) {
         fatalError('Form field configuration did not pass validation: ' . print_r($this, true));
      }
      $config = array(
         'name' => $this->name,
         'component' => $this->component,
         'label' => $this->label,
      );
      if (isset($this->description)) {
         $config['description'] = $this->description;
      }
      if (isset($this->tooltip)) {
         $config['tooltip'] = $this->tooltip;
      }
      if (isset($this->helpTopic)) {
         $config['helpTopic'] = $this->helpTopic;
         if ($this->helpSection) {
            $config['helpSection'] = $this->helpSection;
         }
      }
      if (isset($this->groupId)) {
         $config['groupId'] = $this->groupId;
      }
      if (isset($this->isRequired)) {
         $config['isRequired'] = $this->isRequired;
      }
      if (isset($this->isMultilingual)) {
         $config['isMultilingual'] = $this->isMultilingual;
      }
      if (isset($this->showWhen)) {
         $config['showWhen'] = $this->showWhen;
      }
      if (isset($this->value)) {
         $config['value'] = $this->value;
      } elseif (isset($this->default)) {
         $config['value'] = $this->default;
      }
      return $config;
   }
 
   public function validate() {
      foreach ($this->_requiredProperties as $property) {
         if (!isset($this->{$property})) {
            return false;
         }
      }
      return true;
   }
 
   public function getEmptyValue() {
      return '';
   }
}