wrmap.js

   1 "use strict";
   2
   3 function init_wrmap(i, jq_map) {
   4         jq_map = $(jq_map);
   5         var jq_map_script = jq_map.children();
   6         OpenLayers.ImgPath = jq_map.attr('data-img-path'); // e.g. "/mediawiki/extensions/wrmap/openlayers/img/"
   7         var json_string = jq_map_script.text();
   8         jq_map_script.detach();
   9
  10
  11         // extract, tranform and split features to layers
  12         var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
  13         var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
  14         var format_json = new OpenLayers.Format.GeoJSON();
  15         var features_all = format_json.read(json_string);
  16         var features_path = new Array();
  17         var features_point = new Array();
  18         var features_sledrun = new Array();
  19         for (var i = 0; i != features_all.length; ++i) {
  20                 var feature = features_all[i];
  21                 feature.geometry.transform(EPSG4326, EPSG3857);
  22                 if (feature.geometry.CLASS_NAME == 'OpenLayers.Geometry.Point') {
  23                         if (feature.attributes.type == 'sledrun') features_sledrun.push(feature);
  24                         else features_point.push(feature);
  25                 } else features_path.push(feature);
  26         }
  27
  28
  29         // background layer
  30         // ----------------
  31         var layer_map = new OpenLayers.Layer.Google("Google Physical", {
  32                 type: google.maps.MapTypeId.TERRAIN
  33         });
  34
  35         // // Alternative: OSM map
  36         // var layer_map = new OpenLayers.Layer.OSM();
  37
  38         // // Alternative: Microsoft Bing Maps
  39         // var layer_map = new OpenLayers.Layer.Bing({
  40         //     type: "Road",
  41         //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
  42
  43
  44         // path layer
  45         // ----------
  46         var layer_path = new OpenLayers.Layer.Vector("Path", {
  47                 styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
  48                                 strokeColor: '${getStrokeColor}',
  49                                 strokeWidth: '${getStrokeWidth}'
  50                         }, {
  51                                 context: {
  52                                         getStrokeColor: function(feature) {
  53                                                 if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
  54                                                 if (feature.attributes.type == 'sledrun') return '#014e9a';
  55                                                 if (feature.attributes.type == 'walk') return '#e98401';
  56                                                 if (feature.attributes.type == 'alternative') return '#7f7fff';
  57                                                 if (feature.attributes.type == 'lift') return '#000000';
  58                                                 return '#ee9900';
  59                                         },
  60                                         getStrokeWidth: function(feature) {
  61                                                 if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
  62                                                 if (feature.attributes.type == 'lift') return 3;
  63                                                 return 6;
  64                                         }
  65                                 }
  66                         }))
  67         });
  68
  69
  70         // point layer
  71         // -----------
  72         var layer_point = new OpenLayers.Layer.Vector("Point", {
  73                 rendererOptions: {yOrdering: true}
  74         });
  75
  76
  77         // sledrun layer
  78         // ------------
  79         var layer_sledrun = new OpenLayers.Layer.Vector("Sledrun", {
  80                 styleMap: new OpenLayers.StyleMap({
  81                         "default": new OpenLayers.Style({
  82                                 externalGraphic: "/vorlagen/bahnzustand${condition}_0.png",
  83                                 graphicWidth: 17,
  84                                 graphicHeight: 17,
  85                                 graphicXOffset: -8,
  86                                 graphicYOffset: -8,
  87                                 graphicZIndex: 12,
  88                                 backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
  89                                 backgroundWidth: 23,
  90                                 backgroundHeight: 23,
  91                                 backgroundXOffset: -8,
  92                                 backgroundYOffset: -8,
  93                                 backgroundGraphicZIndex: 11,
  94                                 title: "${name}"
  95                         }),
  96                         "highlight": new OpenLayers.Style({
  97                                 label: "${name}",
  98                                 labelOutlineColor: "white",
  99                                 labelYOffset: 12,
 100                                 fontWeight: "bold"
 101                         })
 102                 }),
 103                 rendererOptions: {yOrdering: true}
 104         });
 105
 106         // map itself
 107         // ----------
 108         var lon = parseFloat(jq_map.attr('data-center-lon'));
 109         var lat = parseFloat(jq_map.attr('data-center-lat'));
 110         var zoom = parseInt(jq_map.attr('data-zoom'));
 111         var map = new OpenLayers.Map(jq_map.context, {
 112                 projection: EPSG3857,
 113                 displayProjection: EPSG4326,
 114                 units: "m",
 115                 theme: null,
 116                 layers: [layer_map, layer_path, layer_point, layer_sledrun],
 117                 center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
 118                 zoom: zoom
 119         });
 120
 121
 122         // add features
 123         // if this would be done before the layer is added to the map, the features are not added
 124         layer_path.addFeatures(features_path);
 125         layer_point.addFeatures(features_point);
 126         layer_sledrun.addFeatures(features_sledrun);
 127
 128         // disable mouse wheel zoom
 129         var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
 130         navigation_control.disableZoomWheel();
 131
 132         // layer switcher
 133         map.addControl(new OpenLayers.Control.LayerSwitcher());
 134
 135         // print sledrun name when mouse moves over it
 136         map.addControl(new OpenLayers.Control.SelectFeature(layer_sledrun, {
 137                 hover: true,
 138                 highlightOnly: true,
 139                 autoActivate: true,
 140                 renderIntent: "highlight"
 141         }));
 142
 143         // show popup when user clicks on a sledrun icon
 144         map.addControl(new OpenLayers.Control.SelectFeature(layer_sledrun, {
 145                 autoActivate: true,
 146                 toggle: true,
 147                 onSelect: function(feature) {
 148                         // Open popup
 149                         var popup_text = "<h2>" + feature.attributes.name + '</h2>\n' +
 150                         '<ul>\n' +
 151                         '<li><a href="' + feature.attributes.wiki + '">Details zur Rodelbahn</a></li>\n' +
 152                         '<li>Rodelbahnzustand<br/>';
 153                         if (feature.attributes.date_report !== undefined) {
 154                                 var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelm&auml;&szlig;ig', 4: 'Schlecht', 5: 'Geht nicht'};
 155                                 var year_month_day = feature.attributes.date_report.split('-');
 156                                 popup_text += '<a href="' + feature.attributes.wiki + '#Eintr.C3.A4ge">' + condition_text[feature.attributes.condition] + '</a> ' +
 157                                 '<small>' + year_month_day[2] + '.' + year_month_day[1] + '.</small> ' +
 158                                 '<em><a href="' + feature.attributes.wiki + '#Eintragen">Neu</a></em>';
 159                         } else {
 160                                 popup_text += '<em><a href="' + feature.attributes.wiki + '#Eintragen">Bitte eintragen</a></em>';
 161                         }
 162                         popup_text += '</li>\n</ul>\n';
 163                         var selectFeatureControl = this;
 164                         var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + feature.attributes.wiki,
 165                         feature.geometry.getBounds().getCenterLonLat(),
 166                         null,
 167                         popup_text,
 168                         null, true, function(event) {
 169                                 // onPopupClose
 170                                 selectFeatureControl.unselectAll();
 171                         });
 172                         feature.popup = popup;
 173                         map.addPopup(popup);
 174                 },
 175                 onUnselect: function(feature) {
 176                         // Close popup
 177                         map.removePopup(feature.popup);
 178                         feature.popup.destroy();
 179                         feature.popup = null;
 180                 }
 181         }));
 182 }
 183
 184
 185 function init_wrmaps() {
 186         var jq_maps = $('.wrmap'); // all wrmap <div> elements
 187         jq_maps.each(init_wrmap);
 188 }
 189
 190
 191 $(document).ready(init_wrmaps);
 192