koha-tmpl/intranet-tmpl/js/coce.js

   1 if (KOHA === undefined || !KOHA) { var KOHA = {}; }
   2
   3
   4 /**
   5  * A namespace for Coce cover images cache
   6  */
   7 KOHA.coce = {
   8
   9   /**
  10    * Search all:
  11    *    <div title="biblionumber" id="isbn" class="coce-thumbnail"></div>
  12    * or
  13    *    <div title="biblionumber" id="isbn" class="coce-thumbnail-preview"></div>
  14    * and run a search with all collected isbns to coce cover service.
  15    * The result is asynchronously returned, and used to append <img>.
  16    */
  17   getURL: function(host,provider,newWindow) {
  18     var ids = [];
  19     $("[id^=coce-thumbnail]").each(function(i) {
  20         var id = $(this).attr("class"); // id=isbn
  21         if ( id !== '' ) { ids.push(id); }
  22     });
  23     if (ids.length == 0) return;
  24     ids = ids.join(',');
  25     var coceURL = host + '/cover?id=' + ids + '&provider=' + provider;
  26     $.ajax({
  27       url: coceURL,
  28       dataType: 'jsonp',
  29       success: function(urlPerID){
  30         for (var id in urlPerID) {
  31           var url = urlPerID[id];
  32           $("[id^=coce-thumbnail]."+id).each(function() {
  33             var img = document.createElement("img");
  34             img.src = url;
  35             img.classList.add("thumbnail");
  36             img.alt = "Cover image";
  37             img.onload = function(){
  38                 // image dimensions can't be known until image has loaded
  39                 if( img.height == 1 && img.width == 1 ){
  40                     $(this).remove();
  41                 }
  42             }
  43             $(this).html(img);
  44          });
  45         }
  46       }
  47     });
  48   }
  49
  50 };