original_string: protected function show_submit_button($submission = null, $teamsubmission = null, $userid = null) {
          if ($teamsubmission) {
              if ($teamsubmission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
                  // The assignment submission has been completed.
                  return false;
              } else if ($this->submission_empty($teamsubmission)) {
                  // There is nothing to submit yet.
                  return false;
              } else if ($submission && $submission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
                  // The user has already clicked the submit button on the team submission.
                  return false;
              } else if (
                  !empty($this->get_instance()->preventsubmissionnotingroup)
                  && $this->get_submission_group($userid) == false
              ) {
                  return false;
              }
          } else if ($submission) {
              if ($submission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
                  // The assignment submission has been completed.
                  return false;
              } else if ($this->submission_empty($submission)) {
                  // There is nothing to submit.
                  return false;
              }
          } else {
              // We've not got a valid submission or team submission.
              return false;
          }
          // Last check is that this instance allows drafts.
          return $this->get_instance()->submissiondrafts;
      }
code: protected function show_submit_button($submission = null, $teamsubmission = null, $userid = null) {
          if ($teamsubmission) {
              if ($teamsubmission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
                  // The assignment submission has been completed.
                  return false;
              } else if ($this->submission_empty($teamsubmission)) {
                  // There is nothing to submit yet.
                  return false;
              } else if ($submission && $submission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
                  // The user has already clicked the submit button on the team submission.
                  return false;
              } else if (
                  !empty($this->get_instance()->preventsubmissionnotingroup)
                  && $this->get_submission_group($userid) == false
              ) {
                  return false;
              }
          } else if ($submission) {
              if ($submission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
                  // The assignment submission has been completed.
                  return false;
              } else if ($this->submission_empty($submission)) {
                  // There is nothing to submit.
                  return false;
              }
          } else {
              // We've not got a valid submission or team submission.
              return false;
          }
          // Last check is that this instance allows drafts.
          return $this->get_instance()->submissiondrafts;
      }
code_tokens: protected function show_submit_button ( $ submission = null , $ teamsubmission = null , $ userid = null ) { if ( $ teamsubmission ) { if ( $ teamsubmission -> status === ASSIGN_SUBMISSION_STATUS_SUBMITTED ) { // The assignment submission has been completed. return false ; } else if ( $ this -> submission_empty ( $ teamsubmission ) ) { // There is nothing to submit yet. return false ; } else if ( $ submission && $ submission -> status === ASSIGN_SUBMISSION_STATUS_SUBMITTED ) { // The user has already clicked the submit button on the team submission. return false ; } else if ( ! empty ( $ this -> get_instance ( ) -> preventsubmissionnotingroup ) && $ this -> get_submission_group ( $ userid ) == false ) { return false ; } } else if ( $ submission ) { if ( $ submission -> status === ASSIGN_SUBMISSION_STATUS_SUBMITTED ) { // The assignment submission has been completed. return false ; } else if ( $ this -> submission_empty ( $ submission ) ) { // There is nothing to submit. return false ; } } else { // We've not got a valid submission or team submission. return false ; } // Last check is that this instance allows drafts. return $ this -> get_instance ( ) -> submissiondrafts ; }
docstring: Returns true if the submit subsission button should be shown to the user.
  
  @param stdClass $submission The users own submission record.
  @param stdClass $teamsubmission The users team submission record if there is one
  @param int $userid The user
  @return bool
docstring_tokens: Returns true if the submit subsission button should be shown to the user .