wrmap.js

   1 function init_wrmap(i, jq_map) {
   2         jq_map = $(jq_map);
   3         var jq_sledruns = jq_map.children();
   4         jq_sledruns.detach();
   5
   6         // Introduce EPSG:3857 as an alias of the built in EPSG:900913 projection (both are the "Google/OSM" projections)
   7         var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
   8         var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
   9
  10         // Create the map
  11         var map = new OpenLayers.Map(jq_map.context, {
  12                 projection: EPSG3857,
  13                 displayProjection: EPSG4326,
  14                 units: "m",
  15                 theme: null
  16         });
  17
  18         // Google Layer
  19         var layer_map = new OpenLayers.Layer.Google("Google Physical", {
  20                 type: google.maps.MapTypeId.TERRAIN
  21         });
  22
  23         // // Alternative: OSM map
  24         // var layer_map = new OpenLayers.Layer.OSM();
  25
  26         // // Alternative: Microsoft Bing Maps
  27         // var layer_map = new OpenLayers.Layer.Bing({
  28         //     type: "Road",
  29         //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
  30
  31         // Sledrun layer
  32         var layer_sledruns = new OpenLayers.Layer.Vector("Rodelbahnen", {
  33                 styleMap: new OpenLayers.StyleMap({
  34                         "default": new OpenLayers.Style({
  35                                 externalGraphic: "/vorlagen/gmap_rodelbahn_c.png",
  36                                 graphicWidth: 17,
  37                                 graphicHeight: 17,
  38                                 graphicXOffset: -8,
  39                                 graphicYOffset: -8,
  40                                 graphicZIndex: 11,
  41                                 backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
  42                                 backgroundWidth: 23,
  43                                 backgroundHeight: 23,
  44                                 backgroundXOffset: -8,
  45                                 backgroundYOffset: -8,
  46                                 backgroundZIndex: 12,
  47                                 title: "${label}"
  48                         }),
  49                         "highlight": new OpenLayers.Style({
  50                                 label: "${label}",
  51                                 labelOutlineColor: "white",
  52                                 labelYOffset: 12,
  53                                 fontWeight: "bold"
  54                         })
  55                 }),
  56                 rendererOptions: {yOrdering: true}
  57         });
  58         jq_sledruns.each(function(j, jq_sledrun) {
  59                 jq_sledrun = $(jq_sledrun);
  60                 var lon = parseFloat(jq_sledrun.attr('data-lon'));
  61                 var lat = parseFloat(jq_sledrun.attr('data-lat'));
  62                 var point = new OpenLayers.Geometry.Point(lon, lat).transform(EPSG4326, EPSG3857);
  63                 layer_sledruns.addFeatures([new OpenLayers.Feature.Vector(point, {
  64                         label: jq_sledrun.attr('data-title'),
  65                         url: jq_sledrun.attr('data-url')
  66                 })]);
  67         });
  68         map.addControl(new OpenLayers.Control.SelectFeature(layer_sledruns, {
  69                 hover: true,
  70                 highlightOnly: true,
  71                 autoActivate: true,
  72                 renderIntent: "highlight"
  73         }));
  74         map.addControl(new OpenLayers.Control.SelectFeature(layer_sledruns, {
  75                 autoActivate: true,
  76                 toggle: true,
  77                 onSelect: function(feature) {
  78                         // Open popup
  79                         var selectFeatureControl = this;
  80                         var popup = new OpenLayers.Popup.FramedCloud("sledruninfopopup_" + feature.attributes['label'],
  81                         feature.geometry.getBounds().getCenterLonLat(),
  82                         null,
  83                         "<h2>" + feature.attributes['label'] + "</h2>\n" +
  84                         "<ul>\n" +
  85                         "<li><a href=\"" + feature.attributes['url'] + "\">Details</a></li>\n" +
  86                         "</ul>\n",
  87                         null, true, function(event) {
  88                                 // onPopupClose
  89                                 selectFeatureControl.unselectAll();
  90                         });
  91                         feature.popup = popup;
  92                         map.addPopup(popup);
  93                 },
  94                 onUnselect: function(feature) {
  95                         // Close popup
  96                         map.removePopup(feature.popup);
  97                         feature.popup.destroy();
  98                         feature.popup = null;
  99                 }
 100         }));
 101
 102
 103         // Center map
 104         map.addLayers([layer_map, layer_sledruns]);
 105         var lon = parseFloat(jq_map.attr('data-center-lon'));
 106         var lat = parseFloat(jq_map.attr('data-center-lat'));
 107         var zoom = parseInt(jq_map.attr('data-zoom'));
 108         map.setCenter(new OpenLayers.LonLat(lon, lat).transform(EPSG4326, map.getProjectionObject()), zoom);
 109
 110 }
 111
 112
 113 function init_wrmaps() {
 114         var jq_maps = $('.wrmap'); // all wrmap <div> elements
 115         jq_maps.each(init_wrmap);
 116 }
 117
 118
 119 $(document).ready(init_wrmaps);
 120