koha-tmpl/opac-tmpl/bootstrap/js/localcovers.js

   1 if (typeof KOHA == "undefined" || !KOHA) {
   2     var KOHA = {};
   3 }
   4
   5 /**
   6  * A namespace for local cover related functions.
   7  */
   8 KOHA.LocalCover = {
   9
  10
  11     /**
  12      * Search all:
  13      *    <div title="biblionumber" id="isbn" class="openlibrary-thumbnail"></div>
  14      * or
  15      *    <div title="biblionumber" id="isbn" class="openlibrary-thumbnail-preview"></div>
  16      * and run a search with all collected isbns to Open Library Book Search.
  17      * The result is asynchronously returned by OpenLibrary and catched by
  18      * olCallBack().
  19      */
  20     GetCoverFromBibnumber: function(uselink) {
  21         $("div[id^=local-thumbnail],span[id^=local-thumbnail]").each(function(i) {
  22             var mydiv = this;
  23             var message = document.createElement("span");
  24             $(message).attr("class","no-image");
  25             $(message).html(NO_LOCAL_JACKET);
  26             $(mydiv).parent().find('.no-image').remove();
  27             $(mydiv).append(message);
  28             var img = $("<img />").attr('src',
  29                 '/cgi-bin/koha/opac-image.pl?thumbnail=1&biblionumber=' + $(mydiv).attr("class"))
  30                 .load(function () {
  31                     if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth == 0) {
  32                         //IE HACK
  33                         try {
  34                             $(mydiv).append(img);
  35                             $(mydiv).children('.no-image').remove();
  36                         }
  37                         catch(err){
  38                         };
  39                     } else {
  40                         if (uselink) {
  41                             var a = $("<a />").attr('href', '/cgi-bin/koha/opac-imageviewer.pl?biblionumber=' + $(mydiv).attr("class"));
  42                             $(a).append(img);
  43                             $(mydiv).empty().append(a);
  44                         } else {
  45                             $(mydiv).empty().append(img);
  46                         }
  47                         $(mydiv).children('.no-image').remove();
  48                     }
  49                 })
  50         });
  51     }
  52 };