// $Id: batch.js,v 1.4 2007/10/21 18:59:01 goba Exp $

/**

 * Attaches the batch behavior to progress bars.

 */

Drupal.behaviors.batch = function (context) {

  // This behavior attaches by ID, so is only valid once on a page.

  if ($('#progress.batch-processed').size()) {

    return;

  }

  $('#progress', context).addClass('batch-processed').each(function () {

    var holder = this;

    var uri = Drupal.settings.batch.uri;

    var initMessage = Drupal.settings.batch.initMessage;

    var errorMessage = Drupal.settings.batch.errorMessage;

    // Success: redirect to the summary.

    var updateCallback = function (progress, status, pb) {

      if (progress == 100) {

        pb.stopMonitoring();

        window.location = uri+'&op=finished';

      }

    };

    var errorCallback = function (pb) {

      var div = document.createElement('p');

      div.className = 'error';

      $(div).html(errorMessage);

      $(holder).prepend(div);

      $('#wait').hide();

    };

    var progress = new Drupal.progressBar('updateprogress', updateCallback, "POST", errorCallback);

    progress.setProgress(-1, initMessage);

    $(holder).append(progress.element);

    progress.startMonitoring(uri+'&op=do', 10);

  });

};