]> ToastFreeware Gitweb - philipp/winterrodeln/mediawiki_extensions/wrmap.git/blobdiff - wrmap.js
Changed color of (unknown) lines to red.
[philipp/winterrodeln/mediawiki_extensions/wrmap.git] / wrmap.js
index 779145373fcc8cc2354f6625731f042a93d7a029..1cf1fbed94b54d6ba9767ff64c3f712fe9f433f3 100644 (file)
--- a/wrmap.js
+++ b/wrmap.js
@@ -1,21 +1,53 @@
+"use strict";
+
 function init_wrmap(i, jq_map) {
-       jq_map = $(jq_map);
-       var jq_sledruns = jq_map.children();
-       jq_sledruns.detach();
-       
-       // Introduce EPSG:3857 as an alias of the built in EPSG:900913 projection (both are the "Google/OSM" projections)
-       var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat 
+       // define constants
+       var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
        var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
 
-       // Create the map
-       var map = new OpenLayers.Map(jq_map.context, {
-               projection: EPSG3857,
-               displayProjection: EPSG4326,
-               units: "m",
-               theme: null
-       });
+       // tool functions
+       function createElement(tagName, attributes) {
+               var element = $(document.createElement(tagName));
+               if (attributes === undefined) return element;
+               for (var attribute in attributes) {
+                       element.attr(attribute, attributes[attribute]);
+               }
+               return element;
+       }
 
-       // Google Layer
+       function appendElement(parentElement, tagName, attributes) {
+               if (attributes === undefined) attributes = {};
+               var element = createElement(tagName, attributes);
+               parentElement.append(element);
+               return element;
+       }
+
+
+       // extract geojson from map element and clear map element's content
+       jq_map = $(jq_map);
+       var ext_path = jq_map.attr('data-ext-path'); // e.g. '/mediawiki/extensions/wrmap'
+       var img_path = ext_path + '/img';
+       OpenLayers.ImgPath = ext_path + '/openlayers/img/'; // e.g. '/mediawiki/extensions/wrmap/openlayers/img/'
+       var json_string = jq_map.children().last().text();
+       jq_map.empty(); // once parsed, remove geojson string from the map element.
+       var format_json = new OpenLayers.Format.JSON();
+       var json_js = format_json.read(json_string);
+       var format_geojson = new OpenLayers.Format.GeoJSON();
+       var features_all = format_geojson.read(json_js);
+
+       // extract, tranform and split features to layers
+       var features_path = new Array();
+       var features_point = new Array();
+       for (var i = 0; i != features_all.length; ++i) {
+               var feature = features_all[i];
+               feature.geometry.transform(EPSG4326, EPSG3857);
+               if (feature.geometry instanceof OpenLayers.Geometry.Point) features_point.push(feature);
+               else features_path.push(feature);
+       }
+
+
+       // background layer
+       // ----------------
        var layer_map = new OpenLayers.Layer.Google("Google Physical", {
                type: google.maps.MapTypeId.TERRAIN
        });
@@ -28,62 +60,248 @@ function init_wrmap(i, jq_map) {
        //     type: "Road",
        //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
        
-       // Sledrun layer
-       var layer_sledruns = new OpenLayers.Layer.Vector("Rodelbahnen", {
+       // // Alternative: Dummy base layer
+       // var layer_map = new OpenLayers.Layer.Vector("Base Layer", {
+       //     isBaseLayer: true});
+
+       
+       // path layer
+       // ----------
+       var layer_path = new OpenLayers.Layer.Vector("Path", {
+               styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
+                               strokeColor: '${getStrokeColor}',
+                               strokeWidth: '${getStrokeWidth}'
+                       }, {
+                               context: {
+                                       getStrokeColor: function(feature) {
+                                               if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
+                                               if (feature.attributes.type == 'rodelbahn') return '#014e9a';
+                                               if (feature.attributes.type == 'gehweg') return '#e98401';
+                                               if (feature.attributes.type == 'alternative') return '#7f7fff';
+                                               if (feature.attributes.type == 'lift') return '#000000';
+                                               if (feature.attributes.type == 'anfahrt') return '#e1e100';
+                                               return '#e7525b';
+                                       },
+                                       getStrokeWidth: function(feature) {
+                                               if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
+                                               if (feature.attributes.type == 'lift' || feature.attributes.type == 'anfahrt') return 3;
+                                               return 6;
+                                       }
+                               }
+                       }))
+       });
+
+       
+       // point layer
+       // -----------
+       var filter_point_sledrun = new OpenLayers.Filter.Comparison({
+               type: OpenLayers.Filter.Comparison.EQUAL_TO,
+               property: 'type',
+               value: 'sledrun'
+       });
+
+       // Returns 0 to 5 for features that represent sledruns as their condition
+       var get_sledrun_condition = function(feature) {
+               if (feature.attributes.condition === undefined) return 0;
+               return feature.attributes.condition;
+       }
+
+
+       var layer_point = new OpenLayers.Layer.Vector("Point", {
                styleMap: new OpenLayers.StyleMap({
-                       "default": new OpenLayers.Style({
-                               externalGraphic: "/vorlagen/gmap_rodelbahn_c.png",
-                               graphicWidth: 17,
-                               graphicHeight: 17,
-                               graphicXOffset: -8,
-                               graphicYOffset: -8,
-                               graphicZIndex: 11,
-                               backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
-                               backgroundWidth: 23,
-                               backgroundHeight: 23,
-                               backgroundXOffset: -8,
-                               backgroundYOffset: -8,
-                               backgroundZIndex: 12,
-                               title: "${label}"
-                       }),
-                       "highlight": new OpenLayers.Style({
-                               label: "${label}",
-                               labelOutlineColor: "white",
-                               labelYOffset: 12,
-                               fontWeight: "bold"
-                       })
+                       'default': new OpenLayers.Style({
+                                       graphicZIndex: 12,
+                                       backgroundGraphicZIndex: 11,
+                               }, {
+                                       context: {
+                                               // the following context functions should only be available in the rule that uses them,
+                                               // but the rule dependent contexts are ignored by OpenLayers (I think that's a bug)
+                                               getCondition: get_sledrun_condition,
+                                               getSymbol: function(feature) {
+                                                       var name = feature.attributes.type;
+                                                       return name;
+                                               }
+                                       },
+                                       rules: [
+                                               new OpenLayers.Rule({
+                                                       filter: filter_point_sledrun,
+                                                       symbolizer: {
+                                                               externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nn.png',
+                                                               graphicWidth: 17,
+                                                               graphicHeight: 17,
+                                                               graphicXOffset: -8,
+                                                               graphicYOffset: -8,
+                                                               backgroundGraphic: img_path + '/marker_c_shadow.png',
+                                                               backgroundWidth: 23,
+                                                               backgroundHeight: 23,
+                                                               backgroundXOffset: -8,
+                                                               backgroundYOffset: -8,
+                                                       }
+                                               }),
+                                               new OpenLayers.Rule({
+                                                       elseFilter: true,
+                                                       symbolizer: {
+                                                               externalGraphic: img_path + '/marker_p_${getSymbol}.png',
+                                                               graphicWidth: 20,
+                                                               graphicHeight: 34,
+                                                               graphicXOffset: -10,
+                                                               graphicYOffset: -33,
+                                                       }
+                                               })
+                                       ]
+                               }),
+                       highlight: new OpenLayers.Style({
+                                       label: "${getTitle}",
+                                       labelOutlineColor: "white",
+                                       fontWeight: "bold"
+                               }, {
+                                       context: {
+                                               getCondition: get_sledrun_condition,
+                                               getTitle: function(feature) {
+                                                       var title = '';
+                                                       if (feature.attributes.type != 'point') {
+                                                               title = feature.attributes.type;
+                                                               title = title.charAt(0).toUpperCase() + title.slice(1); // First letter uppercase
+                                                               if (feature.attributes.name !== undefined) title += ': ';
+                                                       }
+                                                       if (feature.attributes.name !== undefined) title += feature.attributes.name;
+                                                       return title;
+                                               }
+                                       },
+                                       rules: [
+                                               new OpenLayers.Rule({
+                                                       filter: filter_point_sledrun,
+                                                       symbolizer: {
+                                                               label: "${name}",
+                                                               labelYOffset: 14,
+                                                               externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nh.png'
+                                                       }
+                                               }),
+                                               new OpenLayers.Rule({
+                                                       elseFilter: true,
+                                                       symbolizer: {
+                                                               labelYOffset: 40
+                                                       }
+                                               })
+                                       ]
+                               }),
+                       select: new OpenLayers.Style({
+                                       fillOpacity: 1.
+                               }, {
+                                       context: {
+                                               getCondition: get_sledrun_condition,
+                                       },
+                                       rules: [
+                                               new OpenLayers.Rule({
+                                                       filter: filter_point_sledrun,
+                                                       symbolizer: {
+                                                               externalGraphic: img_path + '/marker_c_sledrun_${getCondition}nh.png',
+                                                               backgroundGraphic: false,
+                                                               graphicXOffset: -6,
+                                                               graphicYOffset: -6
+                                                       }
+                                               }),
+                                               new OpenLayers.Rule({
+                                                       elseFilter: true
+                                               })
+                                       ]
+                               })
                }),
                rendererOptions: {yOrdering: true}
        });
-       jq_sledruns.each(function(j, jq_sledrun) {
-               jq_sledrun = $(jq_sledrun);
-               var lon = parseFloat(jq_sledrun.attr('data-lon'));
-               var lat = parseFloat(jq_sledrun.attr('data-lat'));
-               var point = new OpenLayers.Geometry.Point(lon, lat).transform(EPSG4326, EPSG3857);
-               layer_sledruns.addFeatures([new OpenLayers.Feature.Vector(point, {
-                       label: jq_sledrun.attr('data-title'),
-                       url: jq_sledrun.attr('data-url')
-               })]);
+
+
+       // map itself
+       // ----------
+       var lon = json_js.properties.lon;
+       var lat = json_js.properties.lat;
+       var zoom = json_js.properties.zoom;
+       var width = json_js.properties.width;
+       var height = json_js.properties.height;
+       if (zoom === undefined) zoom = 10; // default zoom
+       if (width === undefined) width = '100%'; // default width
+       if (height === undefined) height = 450;  // default: 450 pixel
+       jq_map.width(width);
+       jq_map.height(height);
+       var map = new OpenLayers.Map(jq_map.context, {
+               projection: EPSG3857,
+               displayProjection: EPSG4326,
+               units: "m",
+               theme: null,
+               layers: [layer_map, layer_path, layer_point],
+               center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
+               zoom: zoom
        });
-       map.addControl(new OpenLayers.Control.SelectFeature(layer_sledruns, {
+       
+
+       // add features
+       // if this would be done before the layer is added to the map, the features are not added
+       layer_path.addFeatures(features_path); 
+       layer_point.addFeatures(features_point); 
+
+       // disable mouse wheel zoom
+       var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
+       navigation_control.disableZoomWheel();
+
+       // layer switcher
+       // map.addControl(new OpenLayers.Control.LayerSwitcher());
+
+       // print sledrun name when mouse moves over it
+       map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
                hover: true,
                highlightOnly: true,
                autoActivate: true,
                renderIntent: "highlight"
        }));
-       map.addControl(new OpenLayers.Control.SelectFeature(layer_sledruns, {
+
+       // show popup when user clicks on a sledrun icon
+       map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
                autoActivate: true,
                toggle: true,
                onSelect: function(feature) {
+                       var attr = feature.attributes;
+                       var popup_div = createElement('div');
+
+                       // name
+                       if (attr.name !== undefined && (attr.wiki !== undefined || attr.thumb_url !== undefined)) {
+                               var h2 = appendElement(popup_div, 'h2');
+                               if (attr.wiki === undefined) h2.text(attr.name);
+                               else appendElement(h2, 'a', {href: attr.wiki}).text(attr.name);
+                       }
+
+                       // sledrun information
+                       if (attr.type == 'sledrun') {
+                               var p = appendElement(popup_div, 'p').text('Rodelbahnzustand').append(createElement('br'));
+                               if (attr.condition !== undefined) {
+                                       var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelmäßig', 4: 'Schlecht', 5: 'Geht nicht'};
+                                       var year_month_day = attr.date_report.split('-');
+                                       p.append(createElement('a', {href: attr.wiki + '#Eintr.C3.A4ge'}).text(condition_text[attr.condition]), ' ');
+                                       p.append(createElement('small').text(year_month_day[2] + '.' + year_month_day[1] + '.'), ' ');
+                                       p.append(createElement('em').append(createElement('a', {href: attr.wiki + '#Eintragen'}).text('Neu')));
+                               } else {
+                                       p.append(createElement('em').append(createElement('a', {href: attr.wiki + '#Eintragen'}).text('Bitte eintragen')));
+                               }
+                       }
+
+                       // wiki link
+                       if (attr.wiki !== undefined) {
+                               var a = appendElement(appendElement(popup_div, 'p'), 'a', {href: attr.wiki});
+                               var detail_text = 'Details';
+                               if (attr.type == 'sledrun') detail_text += ' zur Rodelbahn';
+                               if (attr.type == 'gasthaus') detail_text += ' zum Gasthaus';
+                               if (attr.thumb_url === undefined) a.text(detail_text);
+                               else a.append(createElement('img', {src: attr.thumb_url, alt: detail_text, title: detail_text}));
+                       }
+
+                       // no popup if we don't have anything to say
+                       if (popup_div.children().length == 0) return;
+
                        // Open popup
                        var selectFeatureControl = this;
-                       var popup = new OpenLayers.Popup.FramedCloud("sledruninfopopup_" + feature.attributes['label'], 
+                       var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + attr.wiki,
                        feature.geometry.getBounds().getCenterLonLat(),
                        null,
-                       "<h2>" + feature.attributes['label'] + "</h2>\n" +
-                       "<ul>\n" + 
-                       "<li><a href=\"" + feature.attributes['url'] + "\">Details</a></li>\n" +
-                       "</ul>\n",
+                       popup_div.html(),
                        null, true, function(event) {
                                // onPopupClose
                                selectFeatureControl.unselectAll();
@@ -92,21 +310,14 @@ function init_wrmap(i, jq_map) {
                        map.addPopup(popup);
                },
                onUnselect: function(feature) {
+                       if (feature.popup === null) return;
+
                        // Close popup
                        map.removePopup(feature.popup);
                        feature.popup.destroy();
                        feature.popup = null;
                }
        }));
-
-
-       // Center map
-       map.addLayers([layer_map, layer_sledruns]);
-       var lon = parseFloat(jq_map.attr('data-center-lon'));
-       var lat = parseFloat(jq_map.attr('data-center-lat'));
-       var zoom = parseInt(jq_map.attr('data-zoom'));
-       map.setCenter(new OpenLayers.LonLat(lon, lat).transform(EPSG4326, map.getProjectionObject()), zoom);
-
 }