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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Dojo
  * @subpackage Form_Element
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** Zend_Dojo_Form_Element_TextBox */
 // require_once 'Zend/Dojo/Form/Element/TextBox.php';
 
 /**
  * ValidationTextBox dijit
  *
  * @uses       Zend_Dojo_Form_Element_TextBox
  * @package    Zend_Dojo
  * @subpackage Form_Element
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 class Zend_Dojo_Form_Element_ValidationTextBox extends Zend_Dojo_Form_Element_TextBox
 {
     /**
      * Use ValidationTextBox dijit view helper
      * @var string
      */
     public $helper = 'ValidationTextBox';
 
     /**
      * Set invalidMessage
      *
      * @param  string $message
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function setInvalidMessage($message)
     {
         $this->setDijitParam('invalidMessage', (string) $message);
         return $this;
     }
 
     /**
      * Retrieve invalidMessage
      *
      * @return string|null
      */
     public function getInvalidMessage()
     {
         return $this->getDijitParam('invalidMessage');
     }
 
     /**
      * Set promptMessage
      *
      * @param  string $message
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function setPromptMessage($message)
     {
         $this->setDijitParam('promptMessage', (string) $message);
         return $this;
     }
 
     /**
      * Retrieve promptMessage
      *
      * @return string|null
      */
     public function getPromptMessage()
     {
         return $this->getDijitParam('promptMessage');
     }
 
     /**
      * Set regExp
      *
      * @param  string $regexp
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function setRegExp($regexp)
     {
         $this->setDijitParam('regExp', (string) $regexp);
         return $this;
     }
 
     /**
      * Retrieve regExp
      *
      * @return string|null
      */
     public function getRegExp()
     {
         return $this->getDijitParam('regExp');
     }
 
     /**
      * Set an individual constraint
      *
      * @param  string $key
      * @param  mixed $value
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function setConstraint($key, $value)
     {
         $constraints = $this->getConstraints();
         $constraints[(string) $key] = $value;
         $this->setConstraints($constraints);
         return $this;
     }
 
     /**
      * Set validation constraints
      *
      * Refer to Dojo dijit.form.ValidationTextBox documentation for valid
      * structure.
      *
      * @param  array $constraints
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function setConstraints(array $constraints)
     {
         $tmp = $this->getConstraints();
         $constraints = array_merge($tmp, $constraints);
         array_walk_recursive($constraints, array($this, '_castBoolToString'));
         $this->setDijitParam('constraints', $constraints);
         return $this;
     }
 
     /**
      * Is the given constraint set?
      *
      * @param  string $key
      * @return bool
      */
     public function hasConstraint($key)
     {
         $constraints = $this->getConstraints();
         return array_key_exists((string)$key, $constraints);
     }
 
     /**
      * Get an individual constraint
      *
      * @param  string $key
      * @return mixed
      */
     public function getConstraint($key)
     {
         $key = (string) $key;
         if (!$this->hasConstraint($key)) {
             return null;
         }
         return $this->dijitParams['constraints'][$key];
     }
 
     /**
      * Get constraints
      *
      * @return array
      */
     public function getConstraints()
     {
         if ($this->hasDijitParam('constraints')) {
             return $this->getDijitParam('constraints');
         }
         return array();
     }
 
     /**
      * Remove a single constraint
      *
      * @param  string $key
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function removeConstraint($key)
     {
         $key = (string) $key;
         if ($this->hasConstraint($key)) {
             unset($this->dijitParams['constraints'][$key]);
         }
         return $this;
     }
 
     /**
      * Clear all constraints
      *
      * @return Zend_Dojo_Form_Element_ValidationTextBox
      */
     public function clearConstraints()
     {
         return $this->removeDijitParam('constraints');
     }
 
     /**
      * Cast a boolean value to a string
      *
      * @param  mixed $item
      * @param  string $key
      * @return void
      */
     protected function _castBoolToString(&$item, $key)
     {
         if (is_bool($item)) {
             $item = ($item) ? 'true' : 'false';
         }
     }
 }