koha-tmpl/intranet-tmpl/prog/js/background-job-progressbar.js

   1 var backgroundJobProgressTimer = 0;
   2 var jobID = '';
   3 var savedForm;
   4 var inBackgroundJobProgressTimer = false;
   5 function updateJobProgress() {
   6     if (inBackgroundJobProgressTimer) {
   7         return;
   8     }
   9     inBackgroundJobProgressTimer = true;
  10     $.getJSON("/cgi-bin/koha/tools/background-job-progress.pl?jobID=" + jobID, function(json) {
  11         var percentage = json.job_status == 'completed' ? 100 :
  12                             json.job_size > 0              ? Math.floor(100 * json.progress / json.job_size) :
  13                             100;
  14         var bgproperty = (parseInt(percentage*2)-300)+"px 0px";
  15         $("#jobprogress").css("background-position",bgproperty);
  16         $("#jobprogresspercent").text(percentage);
  17
  18         if (percentage == 100) {
  19             clearInterval(backgroundJobProgressTimer); // just in case form submission fails
  20             completeJob();
  21         }
  22         inBackgroundJobProgressTimer = false;
  23     });
  24 }
  25
  26 function completeJob() {
  27     savedForm.completedJobID.value = jobID;
  28     savedForm.submit();
  29 }
  30
  31 // submit a background job with data
  32 // supplied from form f and activate
  33 // progress indicator
  34 function submitBackgroundJob(f) {
  35     // check for background field
  36     if (f.runinbackground) {
  37         // set value of this hidden field for
  38         // use by CGI script
  39         savedForm = f;
  40         f.mainformsubmit.disabled = true;
  41         f.runinbackground.value = 'true';
  42
  43         // gather up form submission
  44         var inputs = [];
  45         $(':input', f).each(function() {
  46             if (this.type == 'radio' || this.type == 'checkbox') {
  47                 if (this.checked) {
  48                     inputs.push(this.name + '=' + encodeURIComponent(this.value));
  49                 }
  50             } else if (this.type == 'button') {
  51                 ; // do nothing
  52             } else {
  53                 inputs.push(this.name + '=' + encodeURIComponent(this.value));
  54             }
  55
  56         });
  57
  58         // and submit the request
  59         $("#jobpanel").show();
  60         $("#jobstatus").show();
  61         $.ajax({
  62             data: inputs.join('&'),
  63             url: f.action,
  64             dataType: 'json',
  65             type: 'post',
  66             success: function(json) {
  67                 jobID = json.jobID;
  68                 inBackgroundJobProgressTimer = false;
  69                 backgroundJobProgressTimer = setInterval("updateJobProgress()", 500);
  70             },
  71             error: function(xml, textStatus) {
  72                 alert('Failed to submit form: ' + textStatus);
  73             }
  74
  75         });
  76
  77     } else {
  78         // background job support not enabled,
  79         // so just do a normal form submission
  80         f.submit();
  81     }
  82
  83     return false;
  84 }