wrmap.js

   1 "use strict";
   2 /*
   3 // "User defined" popup class to be able to specify a minimum size for the popup,
   4 // so that Safari 7.0 displays it correctly (see ticket #89).
   5 OpenLayers.Popup.WrInfo = OpenLayers.Class(OpenLayers.Popup.FramedCloud, {
   6         minSize: new OpenLayers.Size(180, 260),
   7
   8         initialize: function(id, lonlat, contentSize, contentHTML, anchor, closeBox, closeCallback) {
   9                 OpenLayers.Popup.FramedCloud.prototype.initialize.apply(this, arguments);
  10         },
  11
  12         CLASS_NAME: "OpenLayers.Popup.WrInfo"
  13 });
  14 */
  15
  16
  17 function init_wrmap(i, jq_map) {
  18         /*
  19         // define constants
  20         var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
  21         var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
  22
  23         // tool functions
  24         function createElement(tagName, attributes) {
  25                 var element = $(document.createElement(tagName));
  26                 if (attributes === undefined) return element;
  27                 for (var attribute in attributes) {
  28                         element.attr(attribute, attributes[attribute]);
  29                 }
  30                 return element;
  31         }
  32
  33         function appendElement(parentElement, tagName, attributes) {
  34                 if (attributes === undefined) attributes = {};
  35                 var element = createElement(tagName, attributes);
  36                 parentElement.append(element);
  37                 return element;
  38         }
  39         */
  40
  41
  42         // extract geojson from map element and clear map element's content
  43         jq_map = $(jq_map);
  44         var ext_path = jq_map.attr('data-ext-path'); // e.g. '/mediawiki/extensions/wrmap'
  45         var img_path = ext_path + '/img';
  46         //OpenLayers.ImgPath = ext_path + '/openlayers/img/'; // e.g. '/mediawiki/extensions/wrmap/openlayers/img/'
  47         var json_string = jq_map.children().last().text();
  48         jq_map.empty(); // once parsed, remove geojson string from the map element.
  49         var json_js = JSON.parse(json_string);
  50         // var format_geojson = new OpenLayers.Format.GeoJSON();
  51         // var features_all = format_geojson.read(json_js);
  52
  53         // extract, tranform and split features to layers
  54         /*
  55         var features_path = new Array();
  56         var features_point = new Array();
  57         for (var i = 0; i != features_all.length; ++i) {
  58                 var feature = features_all[i];
  59                 feature.geometry.transform(EPSG4326, EPSG3857);
  60                 if (feature.geometry instanceof OpenLayers.Geometry.Point) features_point.push(feature);
  61                 else features_path.push(feature);
  62         }
  63         */
  64
  65         // background layer
  66         // ----------------
  67
  68         // OSM map
  69         var layer_map = new ol.layer.Tile({
  70                 source: new ol.source.OSM()
  71         });
  72
  73
  74         /*
  75         // Microsoft Bing Maps
  76         // var layer_map = new OpenLayers.Layer.Bing({
  77         //      type: "Road",
  78         //      key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA",
  79         //      tileOptions: {crossOriginKeyword: null}});
  80
  81         // // Alternative: Base map
  82         // // see: http://www.basemap.at
  83
  84         // // Alternative: OpenTopoMap
  85         // // see: https://opentopomap.org/about
  86
  87         // // Alternative: Dummy base layer
  88         // var layer_map = new OpenLayers.Layer.Vector("Base Layer", {
  89         //     isBaseLayer: true});
  90
  91
  92         // path layer
  93         // ----------
  94         var layer_path = new OpenLayers.Layer.Vector("Path", {
  95                 styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
  96                                 strokeColor: '${getStrokeColor}',
  97                                 strokeWidth: '${getStrokeWidth}'
  98                         }, {
  99                                 context: {
 100                                         getStrokeColor: function(feature) {
 101                                                 if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
 102                                                 if (feature.attributes.type == 'rodelbahn') return '#014e9a';
 103                                                 if (feature.attributes.type == 'gehweg') return '#e98401';
 104                                                 if (feature.attributes.type == 'alternative') return '#7f7fff';
 105                                                 if (feature.attributes.type == 'lift') return '#000000';
 106                                                 if (feature.attributes.type == 'anfahrt') return '#e1e100';
 107                                                 return '#e7525b';
 108                                         },
 109                                         getStrokeWidth: function(feature) {
 110                                                 if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
 111                                                 if (feature.attributes.type == 'lift' || feature.attributes.type == 'anfahrt') return 3;
 112                                                 return 6;
 113                                         }
 114                                 }
 115                         }))
 116         });
 117
 118
 119         // point layer
 120         // -----------
 121         var filter_point_sledrun = new OpenLayers.Filter.Comparison({
 122                 type: OpenLayers.Filter.Comparison.EQUAL_TO,
 123                 property: 'type',
 124                 value: 'sledrun'
 125         });
 126
 127         // Returns 0 to 5 for features that represent sledruns as their condition
 128         var get_sledrun_condition = function(feature) {
 129                 if (feature.attributes.condition === undefined) return 0;
 130                 return feature.attributes.condition;
 131         }
 132
 133
 134         var layer_point = new OpenLayers.Layer.Vector("Point", {
 135                 styleMap: new OpenLayers.StyleMap({
 136                         'default': new OpenLayers.Style({
 137                                         graphicZIndex: 12,
 138                                         backgroundGraphicZIndex: 11,
 139                                 }, {
 140                                         context: {
 141                                                 // the following context functions should only be available in the rule that uses them,
 142                                                 // but the rule dependent contexts are ignored by OpenLayers (I think that's a bug)
 143                                                 getCondition: get_sledrun_condition,
 144                                                 getSymbol: function(feature) {
 145                                                         var name = feature.attributes.type;
 146                                                         return name;
 147                                                 }
 148                                         },
 149                                         rules: [
 150                                                 new OpenLayers.Rule({
 151                                                         filter: filter_point_sledrun,
 152                                                         symbolizer: {
 153                                                                 externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nn.png',
 154                                                                 graphicWidth: 17,
 155                                                                 graphicHeight: 17,
 156                                                                 graphicXOffset: -8,
 157                                                                 graphicYOffset: -8,
 158                                                                 backgroundGraphic: img_path + '/marker_c_shadow.png',
 159                                                                 backgroundWidth: 23,
 160                                                                 backgroundHeight: 23,
 161                                                                 backgroundXOffset: -8,
 162                                                                 backgroundYOffset: -8,
 163                                                         }
 164                                                 }),
 165                                                 new OpenLayers.Rule({
 166                                                         elseFilter: true,
 167                                                         symbolizer: {
 168                                                                 externalGraphic: img_path + '/marker_p_${getSymbol}.png',
 169                                                                 graphicWidth: 20,
 170                                                                 graphicHeight: 34,
 171                                                                 graphicXOffset: -10,
 172                                                                 graphicYOffset: -33,
 173                                                         }
 174                                                 })
 175                                         ]
 176                                 }),
 177                         highlight: new OpenLayers.Style({
 178                                         label: "${getTitle}",
 179                                         labelOutlineColor: "white",
 180                                         fontWeight: "bold"
 181                                 }, {
 182                                         context: {
 183                                                 getCondition: get_sledrun_condition,
 184                                                 getTitle: function(feature) {
 185                                                         var title = '';
 186                                                         if (feature.attributes.type != 'point') {
 187                                                                 title = feature.attributes.type;
 188                                                                 title = title.charAt(0).toUpperCase() + title.slice(1); // First letter uppercase
 189                                                                 if (feature.attributes.name !== undefined) title += ': ';
 190                                                         }
 191                                                         if (feature.attributes.name !== undefined) title += feature.attributes.name;
 192                                                         return title;
 193                                                 }
 194                                         },
 195                                         rules: [
 196                                                 new OpenLayers.Rule({
 197                                                         filter: filter_point_sledrun,
 198                                                         symbolizer: {
 199                                                                 label: "${name}",
 200                                                                 labelYOffset: 14,
 201                                                                 externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nh.png'
 202                                                         }
 203                                                 }),
 204                                                 new OpenLayers.Rule({
 205                                                         elseFilter: true,
 206                                                         symbolizer: {
 207                                                                 labelYOffset: 40
 208                                                         }
 209                                                 })
 210                                         ]
 211                                 }),
 212                         select: new OpenLayers.Style({
 213                                         fillOpacity: 1.
 214                                 }, {
 215                                         context: {
 216                                                 getCondition: get_sledrun_condition,
 217                                         },
 218                                         rules: [
 219                                                 new OpenLayers.Rule({
 220                                                         filter: filter_point_sledrun,
 221                                                         symbolizer: {
 222                                                                 externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nh.png',
 223                                                                 backgroundGraphic: false,
 224                                                                 graphicXOffset: -6,
 225                                                                 graphicYOffset: -6
 226                                                         }
 227                                                 }),
 228                                                 new OpenLayers.Rule({
 229                                                         elseFilter: true
 230                                                 })
 231                                         ]
 232                                 })
 233                 }),
 234                 rendererOptions: {yOrdering: true}
 235         });
 236
 237 */
 238         // map itself
 239         // ----------
 240         var lon = json_js.properties.lon;
 241         var lat = json_js.properties.lat;
 242         var zoom = json_js.properties.zoom;
 243         var width = json_js.properties.width;
 244         var height = json_js.properties.height;
 245         if (zoom === undefined) zoom = 10; // default zoom
 246         if (width === undefined) width = '100%'; // default width
 247         if (height === undefined) height = 450;  // default: 450 pixel
 248         jq_map.width(width);
 249         jq_map.height(height);
 250         /*
 251         var map = new OpenLayers.Map(jq_map.context, {
 252                 projection: EPSG3857,
 253                 displayProjection: EPSG4326,
 254                 units: "m",
 255                 theme: null,
 256                 layers: [layer_map, layer_path, layer_point],
 257                 center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
 258                 zoom: zoom
 259         });
 260         */
 261
 262         var map = new ol.Map({
 263                 target: jq_map.context,
 264                 layers: [
 265                         layer_map
 266                 ],
 267                 view: new ol.View({
 268                         center: ol.proj.fromLonLat([lon, lat]),
 269                         zoom: zoom
 270                 })
 271         });
 272
 273
 274         /*
 275         // add features
 276         // if this would be done before the layer is added to the map, the features are not added
 277         layer_path.addFeatures(features_path);
 278         layer_point.addFeatures(features_point);
 279
 280         // disable mouse wheel zoom
 281         var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
 282         navigation_control.disableZoomWheel();
 283
 284         // layer switcher
 285         // map.addControl(new OpenLayers.Control.LayerSwitcher());
 286
 287         // print sledrun name when mouse moves over it
 288         map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
 289                 hover: true,
 290                 highlightOnly: true,
 291                 autoActivate: true,
 292                 renderIntent: "highlight"
 293         }));
 294
 295         // show popup when user clicks on a sledrun icon
 296         map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
 297                 autoActivate: true,
 298                 toggle: true,
 299                 onSelect: function(feature) {
 300                         var attr = feature.attributes;
 301                         var popup_div = createElement('div');
 302
 303                         // name
 304                         if (attr.name !== undefined && (attr.wiki !== undefined || attr.thumb_url !== undefined)) {
 305                                 var h2 = appendElement(popup_div, 'h2');
 306                                 if (attr.wiki === undefined) h2.text(attr.name);
 307                                 else appendElement(h2, 'a', {href: attr.wiki}).text(attr.name);
 308                         }
 309
 310                         // sledrun information
 311                         if (attr.type == 'sledrun') {
 312                                 var p = appendElement(popup_div, 'p').text('Rodelbahnzustand').append(createElement('br'));
 313                                 if (attr.condition !== undefined) {
 314                                         var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelmäßig', 4: 'Schlecht', 5: 'Geht nicht'};
 315                                         var year_month_day = attr.date_report.split('-');
 316                                         p.append(createElement('a', {href: attr.wiki + '#Eintr.C3.A4ge'}).text(condition_text[attr.condition]), ' ');
 317                                         p.append(createElement('small').text(year_month_day[2] + '.' + year_month_day[1] + '.'), ' ');
 318                                         p.append(createElement('em').append(createElement('a', {href: attr.wiki + '#Eintragen'}).text('Neu')));
 319                                 } else {
 320                                         p.append(createElement('em').append(createElement('a', {href: attr.wiki + '#Eintragen'}).text('Bitte eintragen')));
 321                                 }
 322                         }
 323
 324                         // wiki link
 325                         if (attr.wiki !== undefined) {
 326                                 var a = appendElement(appendElement(popup_div, 'p'), 'a', {href: attr.wiki});
 327                                 var detail_text = 'Details';
 328                                 if (attr.type == 'sledrun') detail_text += ' zur Rodelbahn';
 329                                 if (attr.type == 'gasthaus') detail_text += ' zum Gasthaus';
 330                                 if (attr.thumb_url === undefined) a.text(detail_text);
 331                                 else a.append(createElement('img', {src: attr.thumb_url, alt: detail_text, title: detail_text}));
 332                         }
 333
 334                         // no popup if we don't have anything to say
 335                         if (popup_div.children().length == 0) return;
 336
 337                         // Open popup
 338                         var selectFeatureControl = this;
 339                         var popup = new OpenLayers.Popup.WrInfo('sledruninfopopup_' + attr.wiki,
 340                         feature.geometry.getBounds().getCenterLonLat(),
 341                         null,
 342                         popup_div.html(),
 343                         null, true, function(event) {
 344                                 // onPopupClose
 345                                 selectFeatureControl.unselectAll();
 346                         });
 347                         feature.popup = popup;
 348                         map.addPopup(popup);
 349                 },
 350                 onUnselect: function(feature) {
 351                         if (feature.popup === null) return;
 352
 353                         // Close popup
 354                         map.removePopup(feature.popup);
 355                         feature.popup.destroy();
 356                         feature.popup = null;
 357                 }
 358         }));
 359 */
 360 }
 361
 362 function init_wrmaps() {
 363         var jq_maps = $('.wrmap'); // all wrmap <div> elements
 364         jq_maps.each(init_wrmap);
 365 }
 366
 367
 368 $(document).ready(init_wrmaps);
 369