function _background_batch_page_do_nojs in Background Process 7.2

Same name and namespace in other branches

1. 6 background_batch/background_batch.pages.inc \_background_batch_page_do_nojs()
2. 7 background_batch/background_batch.pages.inc \_background_batch_page_do_nojs()

Output a batch processing page without JavaScript support.

See also

_batch_process()

2 calls to _background_batch_page_do_nojs()

background_batch_page in background_batch/background_batch.pages.inc

State-based dispatcher for the batch processing page.

_background_batch_page_start in background_batch/background_batch.pages.inc

File

background_batch/background_batch.pages.inc, line 263

Pages for background batch.

Code

function _background_batch_page_do_nojs() {
  $batch =& batch_get();
  $id = $batch['id'];
  $current_set = _batch_current_set();
  drupal_set_title($current_set['title'], PASS_THROUGH);
  $new_op = 'do_nojs';

  // This is one of the later requests; do some processing first.
  // Error handling: if PHP dies due to a fatal error (e.g. a nonexistent
  // function), it will output whatever is in the output buffer, followed by
  // the error message.
  ob_start();
  $fallback = $current_set['error_message'] . '<br />' . $batch['error_message'];
  $fallback = theme('maintenance_page', array(
    'content' => $fallback,
    'show_messages' => FALSE,
  ));

  // We strip the end of the page using a marker in the template, so any
  // additional HTML output by PHP shows up inside the page rather than below
  // it. While this causes invalid HTML, the same would be true if we didn't,
  // as content is not allowed to appear after </html> anyway.
  list($fallback) = explode('<!--partial-->', $fallback);
  print $fallback;

  // Perform actual processing.
  // Get progress
  $handle = 'background_batch:' . $id;
  $process = BackgroundProcess::loadByHandle($handle);
  if ($process) {
    if ($process
      ->getDispatcher() == 'foreground') {
      drupal_set_message(t('Batch is using the "foreground" dispatcher. If you leave this page, the batch processing will stop/pause.'), 'warning');
    }

    // If process is locked and hasn't started for 10 seconds, then relaunch

    #$process->reDispatch();
  }
  elseif ($batch['sets'][$batch['current_set']]['count'] == 0) {

    // The background process has self-destructed, and the batch job is done.
    $percentage = 100;
    $message = '';
  }
  else {

    // Not running?
    _background_batch_initiate(FALSE);
    $percentage = t('N/A');
    $message = '';

    // Refetch progress information
    $process = BackgroundProcess::loadByHandle($handle);
  }
  if ($process) {
    $percentage = $process
      ->getProgress() * 100;
    $message = $process
      ->getProgressMessage();
    $eta = $process
      ->calculateETA();

    // Check wether ETA information should be shown.
    if (variable_get('background_batch_show_eta', BACKGROUND_BATCH_PROCESS_ETA)) {
      $message = "ETA: " . format_date((int) $eta, 'large') . "<br/>{$message}";
    }
    else {
      $js_setting['batch']['initMessage'] = $message;
    }

    // If process is locked and hasn't started for 10 seconds, then relaunch
    $process
      ->reDispatch();
  }
  if ($percentage == 100) {
    $new_op = 'finished';
  }

  // PHP did not die; remove the fallback output.
  ob_end_clean();

  // Merge required query parameters for batch processing into those provided by
  // batch_set() or hook_batch_alter().
  $batch['url_options']['query']['id'] = $batch['id'];
  $batch['url_options']['query']['op'] = $new_op;
  $url = url($batch['url'], $batch['url_options']);
  $element = array(
    '#tag' => 'meta',
    '#attributes' => array(
      'http-equiv' => 'Refresh',
      'content' => '0; URL=' . $url,
    ),
  );
  drupal_add_html_head($element, 'batch_progress_meta_refresh');
  return theme('progress_bar', array(
    'percent' => sprintf("%.02f", $percentage),
    'message' => $message,
  ));
}