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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   * submit link type form element
  20   *
  21   * Contains HTML class for a submitting to link
  22   *
  23   * @package   core_form
  24   * @copyright 2006 Jamie Pratt <me@jamiep.org>
  25   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   */
  27  
  28  global $CFG;
  29  require_once("$CFG->libdir/form/submit.php");
  30  /**
  31   * submit link type form element
  32   *
  33   * HTML class for a submitting to link
  34   *
  35   * @package   core_form
  36   * @category  form
  37   * @copyright 2006 Jamie Pratt <me@jamiep.org>
  38   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39   */
  40  class MoodleQuickForm_submitlink extends MoodleQuickForm_submit {
  41      /** @var string javascript for submitting element's data */
  42      var $_js;
  43  
  44      /** @var string callback function which will be called onclick event */
  45      var $_onclick;
  46  
  47      /**
  48       * constructor
  49       *
  50       * @param string $elementName (optional) name of the field
  51       * @param string $value (optional) field label
  52       * @param string $attributes (optional) Either a typical HTML attribute string or an associative array
  53       */
  54      public function __construct($elementName=null, $value=null, $attributes=null) {
  55          parent::__construct($elementName, $value, $attributes);
  56      }
  57  
  58      /**
  59       * Old syntax of class constructor. Deprecated in PHP7.
  60       *
  61       * @deprecated since Moodle 3.1
  62       */
  63      public function MoodleQuickForm_submitlink($elementName=null, $value=null, $attributes=null) {
  64          debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
  65          self::__construct($elementName, $value, $attributes);
  66      }
  67  
  68      /**
  69       * Returns HTML for submitlink form element.
  70       *
  71       * @return string
  72       */
  73      function toHtml() {
  74          $text = $this->_attributes['value'];
  75  
  76          return "<noscript><div>" . parent::toHtml() . '</div></noscript><script type="text/javascript">' . $this->_js . "\n"
  77               . 'document.write(\'<a href="#" onclick="' . $this->_onclick . '">'
  78               . $text . "</a>');\n</script>";
  79      }
  80  }