src/wolnelektury/static/js/book_text/references.js

   1 (function($){$(function(){
   2
   3     var interestingReferences = $("#interesting-references").text();
   4     if (interestingReferences) {
   5         interestingReferences = $.parseJSON(interestingReferences);
   6     }
   7     if (Object.keys(interestingReferences).length) {
   8         $("#settings-references").css('display', 'block');
   9     }
  10
  11     var map_enabled = false;
  12     var marker = L.circleMarker([0,0]);
  13     var map = null;
  14
  15     function enable_map() {
  16         $("#reference-map").show('slow');
  17
  18         if (map_enabled) return;
  19
  20         map = L.map('reference-map').setView([0, 0], 11);
  21         L.tileLayer('https://tile.thunderforest.com/cycle/{z}/{x}/{y}.png?apikey=a8a97f0ae5134403ac38c1a075b03e15', {
  22             attribution: 'Maps © <a href="http://www.thunderforest.com">Thunderforest</a>, Data © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap contributors</a>'
  23         }).addTo(map);
  24
  25         map_enabled = true;
  26     }
  27     function disable_map() {
  28         $("#reference-map").hide('slow');
  29     }
  30
  31
  32     $("#reference-close").on("click", function(event) {
  33         event.preventDefault();
  34         $("#reference-box").hide();
  35     });
  36
  37     $('a.reference').each(function() {
  38         $this = $(this);
  39         uri = $this.attr('data-uri');
  40         if (interestingReferences.hasOwnProperty(uri)) {
  41             $this.addClass('interesting');
  42             ref = interestingReferences[uri];
  43
  44             $this.attr('href', ref.wikipedia_link);
  45             $this.attr('target', '_blank');
  46         }
  47     });
  48
  49
  50     $('a.reference.interesting').on('click', function(event) {
  51         event.preventDefault();
  52
  53         $("#reference-box").show();
  54
  55         $this = $(this);
  56         uri = $this.attr('data-uri');
  57         ref = interestingReferences[uri];
  58
  59         if (ref.location) {
  60             enable_map();
  61
  62             let newLoc = [
  63                 ref.location[0],
  64                 ref.location[1] + Math.round(
  65                     (map.getCenter().lng - ref.location[1]) / 360
  66                 ) * 360
  67             ];
  68
  69             marker.setLatLng(newLoc);
  70             marker.bindTooltip(ref.label).openTooltip();
  71             map.addLayer(marker);
  72
  73             map.panTo(newLoc, {
  74                 animate: true,
  75                 duration: 1,
  76             });
  77         } else {
  78             disable_map();
  79             if (map) {
  80                 map.removeLayer(marker);
  81             }
  82         }
  83
  84         $("#reference-images a").remove();
  85         if (ref.images) {
  86             $.each(ref.images, function(i, e) {
  87                 $i = $("<a target='_blank'><img></a>");
  88                 $i.attr('href', e.page);
  89                 $('img', $i).attr('src', e.thumburl || e.url);
  90                 if (e.thumbresolution) {
  91                     $('img', $i).attr('width', e.thumbresolution[0]).attr('height', e.thumbresolution[1]);
  92                 }
  93
  94                 $("#reference-images").append($i);
  95             })
  96         }
  97
  98         $("#reference-link").text(ref.label);
  99         $("#reference-link").attr('href', ref.wikipedia_link);
 100     });
 101 })})(jQuery);