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   1  // $Id: batch.js,v 1.4 2007/10/21 18:59:01 goba Exp $
   2  
   3  /**
   4   * Attaches the batch behavior to progress bars.
   5   */
   6  Drupal.behaviors.batch = function (context) {
   7    // This behavior attaches by ID, so is only valid once on a page.
   8    if ($('#progress.batch-processed').size()) {
   9      return;
  10    }
  11    $('#progress', context).addClass('batch-processed').each(function () {
  12      var holder = this;
  13      var uri = Drupal.settings.batch.uri;
  14      var initMessage = Drupal.settings.batch.initMessage;
  15      var errorMessage = Drupal.settings.batch.errorMessage;
  16  
  17      // Success: redirect to the summary.
  18      var updateCallback = function (progress, status, pb) {
  19        if (progress == 100) {
  20          pb.stopMonitoring();
  21          window.location = uri+'&op=finished';
  22        }
  23      };
  24  
  25      var errorCallback = function (pb) {
  26        var div = document.createElement('p');
  27        div.className = 'error';
  28        $(div).html(errorMessage);
  29        $(holder).prepend(div);
  30        $('#wait').hide();
  31      };
  32  
  33      var progress = new Drupal.progressBar('updateprogress', updateCallback, "POST", errorCallback);
  34      progress.setProgress(-1, initMessage);
  35      $(holder).append(progress.element);
  36      progress.startMonitoring(uri+'&op=do', 10);
  37    });
  38  };