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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   * Course completion critieria - student self marked
  19   *
  20   * @package core_completion
  21   * @category completion
  22   * @copyright 2009 Catalyst IT Ltd
  23   * @author Aaron Barnes <aaronb@catalyst.net.nz>
  24   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  /**
  30   * Course completion critieria - student self marked
  31   *
  32   * @package core_completion
  33   * @category completion
  34   * @copyright 2009 Catalyst IT Ltd
  35   * @author Aaron Barnes <aaronb@catalyst.net.nz>
  36   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class completion_criteria_self extends completion_criteria {
  39  
  40      /* @var int Criteria type constant [COMPLETION_CRITERIA_TYPE_SELF] */
  41      public $criteriatype = COMPLETION_CRITERIA_TYPE_SELF;
  42  
  43      /**
  44       * Finds and returns a data_object instance based on params.
  45       *
  46       * @param array $params associative arrays varname=>value
  47       * @return data_object data_object instance or false if none found.
  48       */
  49      public static function fetch($params) {
  50          $params['criteriatype'] = COMPLETION_CRITERIA_TYPE_SELF;
  51          return self::fetch_helper('course_completion_criteria', __CLASS__, $params);
  52      }
  53  
  54      /**
  55       * Add appropriate form elements to the critieria form
  56       *
  57       * @param moodleform $mform  Moodle forms object
  58       * @param stdClass $data Form data
  59       */
  60      public function config_form_display(&$mform, $data = null) {
  61          $mform->addElement('checkbox', 'criteria_self', get_string('enable'));
  62  
  63          if ($this->id ) {
  64             $mform->setDefault('criteria_self', 1);
  65          }
  66      }
  67  
  68      /**
  69       * Update the criteria information stored in the database
  70       *
  71       * @param stdClass $data Form data
  72       */
  73      public function update_config(&$data) {
  74          if (!empty($data->criteria_self)) {
  75              $this->course = $data->id;
  76              $this->insert();
  77          }
  78      }
  79  
  80      /**
  81       * Mark this criteria as complete
  82       *
  83       * @param completion_completion $completion The user's completion record
  84       */
  85      public function complete($completion) {
  86          $this->review($completion, true, true);
  87      }
  88  
  89      /**
  90       * Review this criteria and decide if the user has completed
  91       *
  92       * @param completion_completion $completion     The user's completion record
  93       * @param bool $mark Optionally set false to not save changes to database
  94       * @param bool $is_complete set true to mark activity complete.
  95       * @return bool
  96       */
  97      public function review($completion, $mark = true, $is_complete = false) {
  98          // If we are marking this as complete
  99          if ($is_complete && $mark) {
 100              $completion->completedself = 1;
 101              $completion->mark_complete();
 102  
 103              return true;
 104          }
 105  
 106          return $completion->is_complete();
 107      }
 108  
 109      /**
 110       * Return criteria title for display in reports
 111       *
 112       * @return string
 113       */
 114      public function get_title() {
 115          return get_string('selfcompletion', 'completion');
 116      }
 117  
 118      /**
 119       * Return a more detailed criteria title for display in reports
 120       *
 121       * @return string
 122       */
 123      public function get_title_detailed() {
 124          return $this->get_title();
 125      }
 126  
 127      /**
 128       * Return criteria type title for display in reports
 129       *
 130       * @return string
 131       */
 132      public function get_type_title() {
 133          return get_string('self', 'completion');
 134      }
 135  
 136      /**
 137       * Return criteria progress details for display in reports
 138       *
 139       * @param completion_completion $completion The user's completion record
 140       * @return array An array with the following keys:
 141       *     type, criteria, requirement, status
 142       */
 143      public function get_details($completion) {
 144          $details = array();
 145          $details['type'] = $this->get_title();
 146          $details['criteria'] = $this->get_title();
 147          $details['requirement'] = get_string('markingyourselfcomplete', 'completion');
 148          $details['status'] = '';
 149  
 150          return $details;
 151      }
 152  
 153      /**
 154       * Return pix_icon for display in reports.
 155       *
 156       * @param string $alt The alt text to use for the icon
 157       * @param array $attributes html attributes
 158       * @return pix_icon
 159       */
 160      public function get_icon($alt, array $attributes = null) {
 161          return new pix_icon('i/completion_self', $alt, 'moodle', $attributes);
 162      }
 163  }