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 POINT_NAME = {'sledrun': 'Rodelbahn', 'inn': 'Gasthaus', 'busstop': 'Haltestelle', 'carpark': 'Parkplatz', 'attention': 'Achtung', 'point': 'Punkt'};
  15         var format_json = new OpenLayers.Format.GeoJSON();
  16         var features_all = format_json.read(json_string);
  17         var features_path = new Array();
  18         var features_point = 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 instanceof OpenLayers.Geometry.Point) features_point.push(feature);
  23                 else features_path.push(feature);
  24         }
  25
  26
  27         // background layer
  28         // ----------------
  29         var layer_map = new OpenLayers.Layer.Google("Google Physical", {
  30                 type: google.maps.MapTypeId.TERRAIN
  31         });
  32
  33         // // Alternative: OSM map
  34         // var layer_map = new OpenLayers.Layer.OSM();
  35
  36         // // Alternative: Microsoft Bing Maps
  37         // var layer_map = new OpenLayers.Layer.Bing({
  38         //     type: "Road",
  39         //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
  40
  41
  42         // path layer
  43         // ----------
  44         var layer_path = new OpenLayers.Layer.Vector("Path", {
  45                 styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
  46                                 strokeColor: '${getStrokeColor}',
  47                                 strokeWidth: '${getStrokeWidth}'
  48                         }, {
  49                                 context: {
  50                                         getStrokeColor: function(feature) {
  51                                                 if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
  52                                                 if (feature.attributes.type == 'sledrun') return '#014e9a';
  53                                                 if (feature.attributes.type == 'walk') return '#e98401';
  54                                                 if (feature.attributes.type == 'alternative') return '#7f7fff';
  55                                                 if (feature.attributes.type == 'lift') return '#000000';
  56                                                 return '#ee9900';
  57                                         },
  58                                         getStrokeWidth: function(feature) {
  59                                                 if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
  60                                                 if (feature.attributes.type == 'lift') return 3;
  61                                                 return 6;
  62                                         }
  63                                 }
  64                         }))
  65         });
  66
  67
  68         // point layer
  69         // -----------
  70         var filter_point_sledrun = new OpenLayers.Filter.Comparison({
  71                 type: OpenLayers.Filter.Comparison.EQUAL_TO,
  72                 property: 'type',
  73                 value: 'sledrun'
  74         });
  75
  76         var layer_point = new OpenLayers.Layer.Vector("Point", {
  77                 styleMap: new OpenLayers.StyleMap({
  78                         'default': new OpenLayers.Style({
  79                                         graphicZIndex: 12,
  80                                         backgroundGraphicZIndex: 11,
  81                                 }, {
  82                                         context: {
  83                                                 // the following context functions should only be available in the rule that uses them,
  84                                                 // but the rule dependent contexts are ignored by OpenLayers (I think that's a bug)
  85                                                 getCondition: function(feature) {
  86                                                         if (feature.condition === undefined) return 0;
  87                                                         return feature.condition;
  88                                                 },
  89                                                 getSymbol: function(feature) {
  90                                                         var name = POINT_NAME[feature.attributes.type];
  91                                                         if (feature.attributes.type == 'point' || name === undefined) return '';
  92                                                         return name;
  93                                                 }
  94                                         },
  95                                         rules: [
  96                                                 new OpenLayers.Rule({
  97                                                         filter: filter_point_sledrun,
  98                                                         symbolizer: {
  99                                                                 externalGraphic: '/vorlagen/bahnzustand${getCondition}_0.png',
 100                                                                 graphicWidth: 17,
 101                                                                 graphicHeight: 17,
 102                                                                 graphicXOffset: -8,
 103                                                                 graphicYOffset: -8,
 104                                                                 backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
 105                                                                 backgroundWidth: 23,
 106                                                                 backgroundHeight: 23,
 107                                                                 backgroundXOffset: -8,
 108                                                                 backgroundYOffset: -8,
 109                                                         }
 110                                                 }),
 111                                                 new OpenLayers.Rule({
 112                                                         elseFilter: true,
 113                                                         symbolizer: {
 114                                                                 externalGraphic: '/vorlagen/gmap${getSymbol}.png',
 115                                                                 graphicWidth: 20,
 116                                                                 graphicHeight: 34,
 117                                                                 graphicXOffset: -10,
 118                                                                 graphicYOffset: -33,
 119                                                         }
 120                                                 })
 121                                         ]
 122                                 }),
 123                         highlight: new OpenLayers.Style({
 124                                         label: "${getTitle}",
 125                                         labelOutlineColor: "white",
 126                                         fontWeight: "bold"
 127                                 }, {
 128                                         context: {
 129                                                 getTitle: function(feature) {
 130                                                         var title = '';
 131                                                         if (feature.attributes.type != 'point') {
 132                                                                 title = POINT_NAME[feature.attributes.type];
 133                                                                 if (feature.attributes.name !== undefined) title += ': ';
 134                                                         }
 135                                                         if (feature.attributes.name !== undefined) title += feature.attributes.name;
 136                                                         return title;
 137                                                 }
 138                                         },
 139                                         rules: [
 140                                                 new OpenLayers.Rule({
 141                                                         filter: filter_point_sledrun,
 142                                                         symbolizer: {
 143                                                                 label: "${name}",
 144                                                                 labelYOffset: 14
 145                                                         }
 146                                                 }),
 147                                                 new OpenLayers.Rule({
 148                                                         elseFilter: true,
 149                                                         symbolizer: {
 150                                                                 labelYOffset: 40
 151                                                         }
 152                                                 })
 153                                         ]
 154                                 })
 155                 }),
 156                 rendererOptions: {yOrdering: true}
 157         });
 158
 159
 160         // map itself
 161         // ----------
 162         var lon = parseFloat(jq_map.attr('data-center-lon'));
 163         var lat = parseFloat(jq_map.attr('data-center-lat'));
 164         var zoom = parseInt(jq_map.attr('data-zoom'));
 165         var map = new OpenLayers.Map(jq_map.context, {
 166                 projection: EPSG3857,
 167                 displayProjection: EPSG4326,
 168                 units: "m",
 169                 theme: null,
 170                 layers: [layer_map, layer_path, layer_point],
 171                 center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
 172                 zoom: zoom
 173         });
 174
 175
 176         // add features
 177         // if this would be done before the layer is added to the map, the features are not added
 178         layer_path.addFeatures(features_path);
 179         layer_point.addFeatures(features_point);
 180
 181         // disable mouse wheel zoom
 182         var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
 183         navigation_control.disableZoomWheel();
 184
 185         // layer switcher
 186         // map.addControl(new OpenLayers.Control.LayerSwitcher());
 187
 188         // print sledrun name when mouse moves over it
 189         map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
 190                 hover: true,
 191                 highlightOnly: true,
 192                 autoActivate: true,
 193                 renderIntent: "highlight"
 194         }));
 195
 196         // show popup when user clicks on a sledrun icon
 197         map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
 198                 autoActivate: true,
 199                 toggle: true,
 200                 onSelect: function(feature) {
 201                         var popup_text = '';
 202                         if (feature.attributes.type == 'sledrun') {
 203                                 popup_text += "<h2>" + feature.attributes.name + '</h2>\n' +
 204                                 '<ul>\n' +
 205                                 '<li><a href="' + feature.attributes.wiki + '">Details zur Rodelbahn</a></li>\n' +
 206                                 '<li>Rodelbahnzustand<br/>';
 207                                 if (feature.attributes.condition !== undefined) {
 208                                         var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelm&auml;&szlig;ig', 4: 'Schlecht', 5: 'Geht nicht'};
 209                                         var year_month_day = feature.attributes.date_report.split('-');
 210                                         popup_text += '<a href="' + feature.attributes.wiki + '#Eintr.C3.A4ge">' + condition_text[feature.attributes.condition] + '</a> ' +
 211                                         '<small>' + year_month_day[2] + '.' + year_month_day[1] + '.</small> ' +
 212                                         '<em><a href="' + feature.attributes.wiki + '#Eintragen">Neu</a></em>';
 213                                 } else {
 214                                         popup_text += '<em><a href="' + feature.attributes.wiki + '#Eintragen">Bitte eintragen</a></em>';
 215                                 }
 216                                 popup_text += '</li>\n</ul>\n';
 217                         } else if (feature.attributes.wiki !== undefined) {
 218                                 if (feature.attributes.name != undefined) popup_text += '<h2>' + feature.attributes.name + '</h2>\n';
 219                                 popup_text += '<p><a href="' + feature.attributes.wiki + '">Details</a></p>\n';
 220                         } else return;
 221
 222                         // Open popup
 223                         var selectFeatureControl = this;
 224                         var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + feature.attributes.wiki,
 225                         feature.geometry.getBounds().getCenterLonLat(),
 226                         null,
 227                         popup_text,
 228                         null, true, function(event) {
 229                                 // onPopupClose
 230                                 selectFeatureControl.unselectAll();
 231                         });
 232                         feature.popup = popup;
 233                         map.addPopup(popup);
 234                 },
 235                 onUnselect: function(feature) {
 236                         if (feature.popup === null) return;
 237
 238                         // Close popup
 239                         map.removePopup(feature.popup);
 240                         feature.popup.destroy();
 241                         feature.popup = null;
 242                 }
 243         }));
 244 }
 245
 246
 247 function init_wrmaps() {
 248         var jq_maps = $('.wrmap'); // all wrmap <div> elements
 249         jq_maps.each(init_wrmap);
 250 }
 251
 252
 253 $(document).ready(init_wrmaps);
 254