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') {
  24                                 if (feature.attributes.condition === undefined) feature.attributes.condition = 0;
  25                                 features_sledrun.push(feature);
  26                         } else features_point.push(feature);
  27                 } else features_path.push(feature);
  28         }
  29
  30
  31         // background layer
  32         // ----------------
  33         var layer_map = new OpenLayers.Layer.Google("Google Physical", {
  34                 type: google.maps.MapTypeId.TERRAIN
  35         });
  36
  37         // // Alternative: OSM map
  38         // var layer_map = new OpenLayers.Layer.OSM();
  39
  40         // // Alternative: Microsoft Bing Maps
  41         // var layer_map = new OpenLayers.Layer.Bing({
  42         //     type: "Road",
  43         //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
  44
  45
  46         // path layer
  47         // ----------
  48         var layer_path = new OpenLayers.Layer.Vector("Path", {
  49                 styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
  50                                 strokeColor: '${getStrokeColor}',
  51                                 strokeWidth: '${getStrokeWidth}'
  52                         }, {
  53                                 context: {
  54                                         getStrokeColor: function(feature) {
  55                                                 if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
  56                                                 if (feature.attributes.type == 'sledrun') return '#014e9a';
  57                                                 if (feature.attributes.type == 'walk') return '#e98401';
  58                                                 if (feature.attributes.type == 'alternative') return '#7f7fff';
  59                                                 if (feature.attributes.type == 'lift') return '#000000';
  60                                                 return '#ee9900';
  61                                         },
  62                                         getStrokeWidth: function(feature) {
  63                                                 if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
  64                                                 if (feature.attributes.type == 'lift') return 3;
  65                                                 return 6;
  66                                         }
  67                                 }
  68                         }))
  69         });
  70
  71
  72         // point layer
  73         // -----------
  74         var POINT_NAME = {'inn': 'Gasthaus', 'busstop': 'Haltestelle', 'carpark': 'Parkplatz', 'attention': 'Achtung', 'point': 'Punkt'};
  75         var layer_point = new OpenLayers.Layer.Vector("Point", {
  76                 styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
  77                                 externalGraphic: '/vorlagen/${getExternalGraphic}',
  78                                 graphicWidth: 20,
  79                                 graphicHeight: 34,
  80                                 graphicXOffset: -10,
  81                                 graphicYOffset: -33,
  82                                 title: '${getTitle}'
  83                         }, {
  84                                 context: {
  85                                         getExternalGraphic: function(feature) {
  86                                                 if (feature.attributes.type == 'point') return 'gmap.png';
  87                                                 var name = POINT_NAME[feature.attributes.type];
  88                                                 if (name !== undefined) return 'gmap' + name + '.png';
  89                                                 return 'gmap.png'; // should not happen
  90                                         },
  91                                         getTitle: function(feature) {
  92                                                 var title = '';
  93                                                 if (feature.attributes.type != 'point') {
  94                                                         title = POINT_NAME[feature.attributes.type];
  95                                                         if (feature.attributes.name !== undefined) title += ': ';
  96                                                 }
  97                                                 if (feature.attributes.name !== undefined) title += feature.attributes.name;
  98                                                 return title;
  99                                         }
 100                                 }
 101                         })),
 102                 rendererOptions: {yOrdering: true}
 103         });
 104
 105
 106         // sledrun layer
 107         // ------------
 108         var layer_sledrun = new OpenLayers.Layer.Vector("Sledrun", {
 109                 styleMap: new OpenLayers.StyleMap({
 110                         "default": new OpenLayers.Style({
 111                                 externalGraphic: "/vorlagen/bahnzustand${condition}_0.png",
 112                                 graphicWidth: 17,
 113                                 graphicHeight: 17,
 114                                 graphicXOffset: -8,
 115                                 graphicYOffset: -8,
 116                                 graphicZIndex: 12,
 117                                 backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
 118                                 backgroundWidth: 23,
 119                                 backgroundHeight: 23,
 120                                 backgroundXOffset: -8,
 121                                 backgroundYOffset: -8,
 122                                 backgroundGraphicZIndex: 11,
 123                                 title: "${name}"
 124                         }),
 125                         "highlight": new OpenLayers.Style({
 126                                 label: "${name}",
 127                                 labelOutlineColor: "white",
 128                                 labelYOffset: 12,
 129                                 fontWeight: "bold"
 130                         })
 131                 }),
 132                 rendererOptions: {yOrdering: true}
 133         });
 134
 135
 136         // map itself
 137         // ----------
 138         var lon = parseFloat(jq_map.attr('data-center-lon'));
 139         var lat = parseFloat(jq_map.attr('data-center-lat'));
 140         var zoom = parseInt(jq_map.attr('data-zoom'));
 141         var map = new OpenLayers.Map(jq_map.context, {
 142                 projection: EPSG3857,
 143                 displayProjection: EPSG4326,
 144                 units: "m",
 145                 theme: null,
 146                 layers: [layer_map, layer_path, layer_point, layer_sledrun],
 147                 center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
 148                 zoom: zoom
 149         });
 150
 151
 152         // add features
 153         // if this would be done before the layer is added to the map, the features are not added
 154         layer_path.addFeatures(features_path);
 155         layer_point.addFeatures(features_point);
 156         layer_sledrun.addFeatures(features_sledrun);
 157
 158         // disable mouse wheel zoom
 159         var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
 160         navigation_control.disableZoomWheel();
 161
 162         // layer switcher
 163         // map.addControl(new OpenLayers.Control.LayerSwitcher());
 164
 165         // print sledrun name when mouse moves over it
 166         map.addControl(new OpenLayers.Control.SelectFeature(layer_sledrun, {
 167                 hover: true,
 168                 highlightOnly: true,
 169                 autoActivate: true,
 170                 renderIntent: "highlight"
 171         }));
 172
 173         // show popup when user clicks on a sledrun icon
 174         map.addControl(new OpenLayers.Control.SelectFeature(layer_sledrun, {
 175                 autoActivate: true,
 176                 toggle: true,
 177                 onSelect: function(feature) {
 178                         // Open popup
 179                         var popup_text = "<h2>" + feature.attributes.name + '</h2>\n' +
 180                         '<ul>\n' +
 181                         '<li><a href="' + feature.attributes.wiki + '">Details zur Rodelbahn</a></li>\n' +
 182                         '<li>Rodelbahnzustand<br/>';
 183                         if (feature.attributes.date_report !== undefined) {
 184                                 var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelm&auml;&szlig;ig', 4: 'Schlecht', 5: 'Geht nicht'};
 185                                 var year_month_day = feature.attributes.date_report.split('-');
 186                                 popup_text += '<a href="' + feature.attributes.wiki + '#Eintr.C3.A4ge">' + condition_text[feature.attributes.condition] + '</a> ' +
 187                                 '<small>' + year_month_day[2] + '.' + year_month_day[1] + '.</small> ' +
 188                                 '<em><a href="' + feature.attributes.wiki + '#Eintragen">Neu</a></em>';
 189                         } else {
 190                                 popup_text += '<em><a href="' + feature.attributes.wiki + '#Eintragen">Bitte eintragen</a></em>';
 191                         }
 192                         popup_text += '</li>\n</ul>\n';
 193                         var selectFeatureControl = this;
 194                         var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + feature.attributes.wiki,
 195                         feature.geometry.getBounds().getCenterLonLat(),
 196                         null,
 197                         popup_text,
 198                         null, true, function(event) {
 199                                 // onPopupClose
 200                                 selectFeatureControl.unselectAll();
 201                         });
 202                         feature.popup = popup;
 203                         map.addPopup(popup);
 204                 },
 205                 onUnselect: function(feature) {
 206                         // Close popup
 207                         map.removePopup(feature.popup);
 208                         feature.popup.destroy();
 209                         feature.popup = null;
 210                 }
 211         }));
 212 }
 213
 214
 215 function init_wrmaps() {
 216         var jq_maps = $('.wrmap'); // all wrmap <div> elements
 217         jq_maps.each(init_wrmap);
 218 }
 219
 220
 221 $(document).ready(init_wrmaps);
 222