koha-tmpl/intranet-tmpl/prog/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]").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/catalogue/image.pl?thumbnail=1&biblionumber=' + $(mydiv).attr("class"))
  30                 .load(function () {
  31                     if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth <= 1) {
  32                         //IE HACK
  33                         try {
  34                             $(mydiv).remove();
  35                         }
  36                         catch(err){
  37                         }
  38                     } else {
  39                         if (uselink) {
  40                             var a = $("<a />").attr('href', '/cgi-bin/koha/catalogue/imageviewer.pl?biblionumber=' + $(mydiv).attr("class"));
  41                             $(a).append(img);
  42                             $(mydiv).append(a);
  43                         } else {
  44                             $(mydiv).append(img);
  45                         }
  46                         $(mydiv).children('.no-image').remove();
  47                     }
  48                 });
  49         });
  50     },
  51     LoadResultsCovers: function(){
  52         $("div [id^=local-thumbnail]").each(function(i) {
  53             var mydiv = this;
  54             var message = document.createElement("span");
  55             $(message).attr("class","no-image thumbnail");
  56             $(message).html(NO_LOCAL_JACKET);
  57             $(mydiv).append(message);
  58             var img = $("<img />");
  59             img.attr('src','/cgi-bin/koha/catalogue/image.pl?thumbnail=1&biblionumber=' + $(mydiv).attr("class"))
  60                 .addClass("thumbnail")
  61                 .load(function () {
  62                     if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth <= 1) {
  63                         //IE HACK
  64                         try {
  65                             var otherCovers = $(mydiv).closest('td').find('img');
  66                             var nbCovers = otherCovers.length;
  67                             if(nbCovers > 0){
  68                                 var badCovers = 0;
  69                                 otherCovers.each(function(){
  70                                     if(this.naturalWidth <= 1){
  71                                         $(this).parent().remove();
  72                                         badCovers++;
  73                                     }
  74                                 });
  75                                 if(badCovers < nbCovers){
  76                                     $(mydiv).parent().remove();
  77                                 }
  78                             }
  79                         }
  80                         catch(err){
  81                         }
  82                     } else {
  83                         $(mydiv).append(img);
  84                         $(mydiv).children('.no-image').remove();
  85                     }
  86                 });
  87         });
  88     }
  89 };