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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_View
  * @subpackage Helper
  * @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    $Id$
  */
 
 
 /**
  * Abstract class for extension
  */
 // require_once 'Zend/View/Helper/FormElement.php';
 
 
 /**
  * Helper to generate "select" list of options
  *
  * @category   Zend
  * @package    Zend_View
  * @subpackage Helper
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_View_Helper_FormSelect extends Zend_View_Helper_FormElement
 {
     /**
      * Generates 'select' list of options.
      *
      * @access public
      *
      * @param string|array $name If a string, the element name.  If an
      * array, all other parameters are ignored, and the array elements
      * are extracted in place of added parameters.
      *
      * @param mixed $value The option value to mark as 'selected'; if an
      * array, will mark all values in the array as 'selected' (used for
      * multiple-select elements).
      *
      * @param array|string $attribs Attributes added to the 'select' tag.
      * the optional 'optionClasses' attribute is used to add a class to
      * the options within the select (associative array linking the option
      * value to the desired class)
      *
      * @param array $options An array of key-value pairs where the array
      * key is the radio value, and the array value is the radio text.
      *
      * @param string $listsep When disabled, use this list separator string
      * between list values.
      *
      * @return string The select tag and options XHTML.
      */
     public function formSelect($name, $value = null, $attribs = null,
         $options = null, $listsep = "<br />\n")
     {
         $info = $this->_getInfo($name, $value, $attribs, $options, $listsep);
         extract($info); // name, id, value, attribs, options, listsep, disable
 
         // force $value to array so we can compare multiple values to multiple
         // options; also ensure it's a string for comparison purposes.
         $value = array_map('strval', (array) $value);
 
         // check if element may have multiple values
         $multiple = '';
 
         if (substr($name, -2) == '[]') {
             // multiple implied by the name
             $multiple = ' multiple="multiple"';
         }
 
         if (isset($attribs['multiple'])) {
             // Attribute set
             if ($attribs['multiple']) {
                 // True attribute; set multiple attribute
                 $multiple = ' multiple="multiple"';
 
                 // Make sure name indicates multiple values are allowed
                 if (!empty($multiple) && (substr($name, -2) != '[]')) {
                     $name .= '[]';
                 }
             } else {
                 // False attribute; ensure attribute not set
                 $multiple = '';
             }
             unset($attribs['multiple']);
         }
 
         // handle the options classes
         $optionClasses = array();
         if (isset($attribs['optionClasses'])) {
             $optionClasses = $attribs['optionClasses'];
             unset($attribs['optionClasses']);
         }
         
         // now start building the XHTML.
         $disabled = '';
         if (true === $disable) {
             $disabled = ' disabled="disabled"';
         }
 
         // Build the surrounding select element first.
         $xhtml = '<select'
                 . ' name="' . $this->view->escape($name) . '"'
                 . ' id="' . $this->view->escape($id) . '"'
                 . $multiple
                 . $disabled
                 . $this->_htmlAttribs($attribs)
                 . ">\n    ";
 
         // build the list of options
         $list       = array();
         $translator = $this->getTranslator();
         foreach ((array) $options as $opt_value => $opt_label) {
             if (is_array($opt_label)) {
                 $opt_disable = '';
                 if (is_array($disable) && in_array($opt_value, $disable)) {
                     $opt_disable = ' disabled="disabled"';
                 }
                 if (null !== $translator) {
                     $opt_value = $translator->translate($opt_value);
                 }
                 $opt_id = ' id="' . $this->view->escape($id) . '-optgroup-'
                         . $this->view->escape($opt_value) . '"';
                 $list[] = '<optgroup'
                         . $opt_disable
                         . $opt_id
                         . ' label="' . $this->view->escape($opt_value) .'">';
                 foreach ($opt_label as $val => $lab) {
                     $list[] = $this->_build($val, $lab, $value, $disable, $optionClasses);
                 }
                 $list[] = '</optgroup>';
             } else {
                 $list[] = $this->_build($opt_value, $opt_label, $value, $disable, $optionClasses);
             }
         }
 
         // add the options to the xhtml and close the select
         $xhtml .= implode("\n    ", $list) . "\n</select>";
 
         return $xhtml;
     }
 
     /**
      * Builds the actual <option> tag
      *
      * @param string $value Options Value
      * @param string $label Options Label
      * @param array  $selected The option value(s) to mark as 'selected'
      * @param array|bool $disable Whether the select is disabled, or individual options are
      * @param array $optionClasses The classes to associate with each option value
      * @return string Option Tag XHTML
      */
     protected function _build($value, $label, $selected, $disable, $optionClasses = array())
     {
         if (is_bool($disable)) {
             $disable = array();
         }
 
         $class = null;
         if (array_key_exists($value, $optionClasses)) {
             $class = $optionClasses[$value];
         }
 
 
         $opt = '<option'
              . ' value="' . $this->view->escape($value) . '"';
 
              if ($class) {
              $opt .= ' class="' . $class . '"';
          }
         // selected?
         if (in_array((string) $value, $selected)) {
             $opt .= ' selected="selected"';
         }
 
         // disabled?
         if (in_array($value, $disable)) {
             $opt .= ' disabled="disabled"';
         }
 
         $opt .= '>' . $this->view->escape($label) . "</option>";
 
         return $opt;
     }
 
 }