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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  
  18  /**
  19   * radio type form element
  20   *
  21   * Contains HTML class for a radio type element
  22   *
  23   * @package   core_form
  24   * @copyright 2006 Jamie Pratt <[email protected]>
  25   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   */
  27  
  28  require_once('HTML/QuickForm/radio.php');
  29  
  30  /**
  31   * radio type form element
  32   *
  33   * HTML class for a radio type element
  34   *
  35   * @package   core_form
  36   * @category  form
  37   * @copyright 2006 Jamie Pratt <[email protected]>
  38   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39   */
  40  class MoodleQuickForm_radio extends HTML_QuickForm_radio{
  41      /** @var string html for help button, if empty then no help */
  42      var $_helpbutton='';
  43  
  44      /**
  45       * constructor
  46       *
  47       * @param string $elementName (optional) name of the radio element
  48       * @param string $elementLabel (optional) label for radio element
  49       * @param string $text (optional) Text to put after the radio element
  50       * @param string $value (optional) default value
  51       * @param mixed $attributes (optional) Either a typical HTML attribute string
  52       *              or an associative array
  53       */
  54      function MoodleQuickForm_radio($elementName=null, $elementLabel=null, $text=null, $value=null, $attributes=null) {
  55          parent::HTML_QuickForm_radio($elementName, $elementLabel, $text, $value, $attributes);
  56      }
  57  
  58      /**
  59       * get html for help button
  60       *
  61       * @return string html for help button
  62       */
  63      function getHelpButton(){
  64          return $this->_helpbutton;
  65      }
  66  
  67      /**
  68       * Slightly different container template when frozen.
  69       *
  70       * @return string
  71       */
  72      function getElementTemplateType(){
  73          if ($this->_flagFrozen){
  74              return 'static';
  75          } else {
  76              return 'default';
  77          }
  78      }
  79  
  80      /**
  81       * Returns the disabled field. Accessibility: the return "( )" from parent
  82       * class is not acceptable for screenreader users, and we DO want a label.
  83       *
  84       * @return string
  85       */
  86      function getFrozenHtml()
  87      {
  88          $output = '<input type="radio" disabled="disabled" id="'.$this->getAttribute('id').'" ';
  89          if ($this->getChecked()) {
  90              $output .= 'checked="checked" />'.$this->_getPersistantData();
  91          } else {
  92              $output .= '/>';
  93          }
  94          return $output;
  95      }
  96  
  97      /**
  98       * Returns HTML for advchecbox form element.
  99       *
 100       * @return string
 101       */
 102      function toHtml()
 103      {
 104          return '<span>' . parent::toHtml() . '</span>';
 105      }
 106  }