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Differences Between: [Versions 310 and 311] [Versions 39 and 311]

   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   * This script allows a teacher to create, edit and delete question categories.
  19   *
  20   * @package    moodlecore
  21   * @subpackage questionbank
  22   * @copyright  1999 onwards Martin Dougiamas {@link http://moodle.com}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  
  27  require_once("../config.php");
  28  require_once($CFG->dirroot."/question/editlib.php");
  29  require_once($CFG->dirroot."/question/category_class.php");
  30  
  31  list($thispageurl, $contexts, $cmid, $cm, $module, $pagevars) =
  32          question_edit_setup('categories', '/question/category.php');
  33  
  34  // Get values from form for actions on this page.
  35  $param = new stdClass();
  36  $param->moveup = optional_param('moveup', 0, PARAM_INT);
  37  $param->movedown = optional_param('movedown', 0, PARAM_INT);
  38  $param->moveupcontext = optional_param('moveupcontext', 0, PARAM_INT);
  39  $param->movedowncontext = optional_param('movedowncontext', 0, PARAM_INT);
  40  $param->tocontext = optional_param('tocontext', 0, PARAM_INT);
  41  $param->left = optional_param('left', 0, PARAM_INT);
  42  $param->right = optional_param('right', 0, PARAM_INT);
  43  $param->delete = optional_param('delete', 0, PARAM_INT);
  44  $param->confirm = optional_param('confirm', 0, PARAM_INT);
  45  $param->cancel = optional_param('cancel', '', PARAM_ALPHA);
  46  $param->move = optional_param('move', 0, PARAM_INT);
  47  $param->moveto = optional_param('moveto', 0, PARAM_INT);
  48  $param->edit = optional_param('edit', 0, PARAM_INT);
  49  
  50  $url = new moodle_url($thispageurl);
  51  foreach ((array)$param as $key=>$value) {
  52      if (($key !== 'cancel' && $value !== 0) || ($key === 'cancel' && $value !== '')) {
  53          $url->param($key, $value);
  54      }
  55  }
  56  $PAGE->set_url($url);
  57  
  58  $qcobject = new question_category_object($pagevars['cpage'], $thispageurl,
  59          $contexts->having_one_edit_tab_cap('categories'), $param->edit,
  60          $pagevars['cat'], $param->delete, $contexts->having_cap('moodle/question:add'));
  61  
  62  if ($param->left || $param->right || $param->moveup || $param->movedown) {
  63      require_sesskey();
  64  
  65      foreach ($qcobject->editlists as $list) {
  66          // Processing of these actions is handled in the method where appropriate and page redirects.
  67          $list->process_actions($param->left, $param->right, $param->moveup, $param->movedown);
  68      }
  69  }
  70  
  71  if ($param->moveupcontext || $param->movedowncontext) {
  72      require_sesskey();
  73  
  74      if ($param->moveupcontext) {
  75          $catid = $param->moveupcontext;
  76      } else {
  77          $catid = $param->movedowncontext;
  78      }
  79      $newtopcat = question_get_top_category($param->tocontext);
  80      if (!$newtopcat) {
  81          print_error('invalidcontext');
  82      }
  83      $oldcat = $DB->get_record('question_categories', array('id' => $catid), '*', MUST_EXIST);
  84      // Log the move to another context.
  85      $category = new stdClass();
  86      $category->id = explode(',', $pagevars['cat'], -1)[0];
  87      $category->contextid = $param->tocontext;
  88      $event = \core\event\question_category_moved::create_from_question_category_instance($category);
  89      $event->trigger();
  90      $qcobject->update_category($catid, "{$newtopcat->id},{$param->tocontext}", $oldcat->name, $oldcat->info);
  91      // The previous line does a redirect().
  92  }
  93  
  94  if ($param->delete) {
  95      if (!$category = $DB->get_record("question_categories", array("id" => $param->delete))) {
  96          print_error('nocate', 'question', $thispageurl->out(), $param->delete);
  97      }
  98  
  99      question_remove_stale_questions_from_category($param->delete);
 100      $questionstomove = count($qcobject->get_real_question_ids_in_category($param->delete));
 101  
 102      // Second pass, if we still have questions to move, setup the form.
 103      if ($questionstomove) {
 104          $categorycontext = context::instance_by_id($category->contextid);
 105          $qcobject->moveform = new question_move_form($thispageurl,
 106              array('contexts' => array($categorycontext), 'currentcat' => $param->delete));
 107          if ($qcobject->moveform->is_cancelled()) {
 108              redirect($thispageurl);
 109          } else if ($formdata = $qcobject->moveform->get_data()) {
 110              list($tocategoryid, $tocontextid) = explode(',', $formdata->category);
 111              $qcobject->move_questions_and_delete_category($formdata->delete, $tocategoryid);
 112              $thispageurl->remove_params('cat', 'category');
 113              redirect($thispageurl);
 114          }
 115      }
 116  } else {
 117      $questionstomove = 0;
 118  }
 119  
 120  if ($qcobject->catform->is_cancelled()) {
 121      redirect($thispageurl);
 122  } else if ($catformdata = $qcobject->catform->get_data()) {
 123      $catformdata->infoformat = $catformdata->info['format'];
 124      $catformdata->info       = $catformdata->info['text'];
 125      if (!$catformdata->id) {//new category
 126          $qcobject->add_category($catformdata->parent, $catformdata->name,
 127                  $catformdata->info, false, $catformdata->infoformat, $catformdata->idnumber);
 128      } else {
 129          $qcobject->update_category($catformdata->id, $catformdata->parent,
 130                  $catformdata->name, $catformdata->info, $catformdata->infoformat, $catformdata->idnumber);
 131      }
 132      redirect($thispageurl);
 133  } else if ((!empty($param->delete) and (!$questionstomove) and confirm_sesskey())) {
 134      $qcobject->delete_category($param->delete);//delete the category now no questions to move
 135      $thispageurl->remove_params('cat', 'category');
 136      redirect($thispageurl);
 137  }
 138  
 139  if ($param->edit) {
 140      $PAGE->navbar->add(get_string('editingcategory', 'question'));
 141  }
 142  
 143  $PAGE->set_title(get_string('editcategories', 'question'));
 144  $PAGE->set_heading($COURSE->fullname);
 145  echo $OUTPUT->header();
 146  
 147  // Print horizontal nav if needed.
 148  $renderer = $PAGE->get_renderer('core_question', 'bank');
 149  echo $renderer->extra_horizontal_navigation();
 150  
 151  // Display the UI.
 152  if (!empty($param->edit)) {
 153      $qcobject->edit_single_category($param->edit);
 154  } else if ($questionstomove){
 155      $qcobject->display_move_form($questionstomove, $category);
 156  } else {
 157      // Display the user interface.
 158      $qcobject->display_user_interface();
 159  }
 160  echo $OUTPUT->footer();