original_string: public function init() {
          if ($this->csvreader == null) {
              $this->csvreader = new csv_import_reader($this->importid, 'assignfeedback_offline');
          }
          $this->csvreader->init();
  
          $columns = $this->csvreader->get_columns();
  
          $strgrade = get_string('grade');
          $strid = get_string('recordid', 'assign');
          $strmodified = get_string('lastmodifiedgrade', 'assign');
  
          foreach ($this->assignment->get_feedback_plugins() as $plugin) {
              if ($plugin->is_enabled() && $plugin->is_visible()) {
                  foreach ($plugin->get_editor_fields() as $field => $description) {
                      $this->feedbackcolumnindexes[$description] = array('plugin'=>$plugin,
                                                                         'field'=>$field,
                                                                         'description'=>$description);
                  }
              }
          }
  
          if ($columns) {
              foreach ($columns as $index => $column) {
                  if (isset($this->feedbackcolumnindexes[$column])) {
                      $this->feedbackcolumnindexes[$column]['index'] = $index;
                  }
                  if ($column == $strgrade) {
                      $this->gradeindex = $index;
                  }
                  if ($column == $strid) {
                      $this->idindex = $index;
                  }
                  if ($column == $strmodified) {
                      $this->modifiedindex = $index;
                  }
              }
          }
  
          if ($this->idindex < 0 || $this->gradeindex < 0 || $this->modifiedindex < 0) {
              return false;
          }
  
          $groupmode = groups_get_activity_groupmode($this->assignment->get_course_module());
          // All users.
          $groupid = 0;
          $groupname = '';
          if ($groupmode) {
              $groupid = groups_get_activity_group($this->assignment->get_course_module(), true);
              $groupname = groups_get_group_name($groupid).'-';
          }
          $this->validusers = $this->assignment->list_participants($groupid, false);
          return true;
      }
code: public function init() {
          if ($this->csvreader == null) {
              $this->csvreader = new csv_import_reader($this->importid, 'assignfeedback_offline');
          }
          $this->csvreader->init();
  
          $columns = $this->csvreader->get_columns();
  
          $strgrade = get_string('grade');
          $strid = get_string('recordid', 'assign');
          $strmodified = get_string('lastmodifiedgrade', 'assign');
  
          foreach ($this->assignment->get_feedback_plugins() as $plugin) {
              if ($plugin->is_enabled() && $plugin->is_visible()) {
                  foreach ($plugin->get_editor_fields() as $field => $description) {
                      $this->feedbackcolumnindexes[$description] = array('plugin'=>$plugin,
                                                                         'field'=>$field,
                                                                         'description'=>$description);
                  }
              }
          }
  
          if ($columns) {
              foreach ($columns as $index => $column) {
                  if (isset($this->feedbackcolumnindexes[$column])) {
                      $this->feedbackcolumnindexes[$column]['index'] = $index;
                  }
                  if ($column == $strgrade) {
                      $this->gradeindex = $index;
                  }
                  if ($column == $strid) {
                      $this->idindex = $index;
                  }
                  if ($column == $strmodified) {
                      $this->modifiedindex = $index;
                  }
              }
          }
  
          if ($this->idindex < 0 || $this->gradeindex < 0 || $this->modifiedindex < 0) {
              return false;
          }
  
          $groupmode = groups_get_activity_groupmode($this->assignment->get_course_module());
          // All users.
          $groupid = 0;
          $groupname = '';
          if ($groupmode) {
              $groupid = groups_get_activity_group($this->assignment->get_course_module(), true);
              $groupname = groups_get_group_name($groupid).'-';
          }
          $this->validusers = $this->assignment->list_participants($groupid, false);
          return true;
      }
code_tokens: public function init ( ) { if ( $ this -> csvreader == null ) { $ this -> csvreader = new csv_import_reader ( $ this -> importid , 'assignfeedback_offline' ) ; } $ this -> csvreader -> init ( ) ; $ columns = $ this -> csvreader -> get_columns ( ) ; $ strgrade = get_string ( 'grade' ) ; $ strid = get_string ( 'recordid' , 'assign' ) ; $ strmodified = get_string ( 'lastmodifiedgrade' , 'assign' ) ; foreach ( $ this -> assignment -> get_feedback_plugins ( ) as $ plugin ) { if ( $ plugin -> is_enabled ( ) && $ plugin -> is_visible ( ) ) { foreach ( $ plugin -> get_editor_fields ( ) as $ field => $ description ) { $ this -> feedbackcolumnindexes [ $ description ] = array ( 'plugin' => $ plugin , 'field' => $ field , 'description' => $ description ) ; } } } if ( $ columns ) { foreach ( $ columns as $ index => $ column ) { if ( isset ( $ this -> feedbackcolumnindexes [ $ column ] ) ) { $ this -> feedbackcolumnindexes [ $ column ] [ 'index' ] = $ index ; } if ( $ column == $ strgrade ) { $ this -> gradeindex = $ index ; } if ( $ column == $ strid ) { $ this -> idindex = $ index ; } if ( $ column == $ strmodified ) { $ this -> modifiedindex = $ index ; } } } if ( $ this -> idindex < 0 || $ this -> gradeindex < 0 || $ this -> modifiedindex < 0 ) { return false ; } $ groupmode = groups_get_activity_groupmode ( $ this -> assignment -> get_course_module ( ) ) ; // All users. $ groupid = 0 ; $ groupname = '' ; if ( $ groupmode ) { $ groupid = groups_get_activity_group ( $ this -> assignment -> get_course_module ( ) , true ) ; $ groupname = groups_get_group_name ( $ groupid ) . '-' ; } $ this -> validusers = $ this -> assignment -> list_participants ( $ groupid , false ) ; return true ; }
docstring: Initialise the import reader and locate the column indexes.
  
  @return bool false is a failed import
docstring_tokens: Initialise the import reader and locate the column indexes .