Add shadows below markers.

[philipp/winterrodeln/mediawiki_extensions/wrmap.git] / wrmap.js

diff --git a/wrmap.js b/wrmap.js
index fc82e64c70d1c0069bcce7983695e0a43d072ab2..24d4b69b4c31a987838b590cd926b25c6fe9290c 100644 (file)
--- a/wrmap.js
+++ b/wrmap.js
@@ -1,75 +1,398 @@
+"use strict";
+/*
+// "User defined" popup class to be able to specify a minimum size for the popup,
+// so that Safari 7.0 displays it correctly (see ticket #89).
+OpenLayers.Popup.WrInfo = OpenLayers.Class(OpenLayers.Popup.FramedCloud, {
+       minSize: new OpenLayers.Size(180, 260),
+
+       initialize: function(id, lonlat, contentSize, contentHTML, anchor, closeBox, closeCallback) {
+               OpenLayers.Popup.FramedCloud.prototype.initialize.apply(this, arguments);
+       },
+
+       CLASS_NAME: "OpenLayers.Popup.WrInfo"
+});
+*/
+
+

 function init_wrmap(i, jq_map) {
 function init_wrmap(i, jq_map) {

+       // define constants
+       var EPSG4326 = ol.proj.get("EPSG:4326"); // lon/lat
+       var EPSG3857 = ol.proj.get("EPSG:3857"); // google
+
+       // 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;
+       }
+
+       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);
        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 
-       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
-       });
+       var ext_path = jq_map.attr('data-ext-path'); // e.g. '/mediawiki/extensions/wrmap'
+       var img_path = ext_path + '/img';
+       var json_string = jq_map.children().last().text();
+       jq_map.empty(); // once parsed, remove geojson string from the map element.
+       var json_js = JSON.parse(json_string);
+       var format_geojson = new ol.format.GeoJSON();
+       var features_all = format_geojson.readFeatures(json_js, {dataProjection: EPSG4326, featureProjection: EPSG3857});

 
 

-       // Google Layer
-       var layer_map = new OpenLayers.Layer.Google("Google Physical", {
-               type: google.maps.MapTypeId.TERRAIN
+
+       // background layer
+       // ----------------
+
+       // OSM map
+       var layer_map = new ol.layer.Tile({
+               source: new ol.source.OSM()

        });
 
        });
 

-    // // Alternative: OSM map
-    // var layer_map = new OpenLayers.Layer.OSM();
-    
-    // // Alternative: Microsoft Bing Maps
-    // var layer_map = new OpenLayers.Layer.Bing({
-    //     type: "Road",
-    //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
+
+       /*
+       // Microsoft Bing Maps
+       // var layer_map = new OpenLayers.Layer.Bing({
+       //      type: "Road",
+       //      key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA",
+       //      tileOptions: {crossOriginKeyword: null}});
+
+       // // Alternative: Base map
+       // // see: http://www.basemap.at

        
        

-       // Sledrun layer
-       var layer_sledruns = new OpenLayers.Layer.Vector("Rodelbahnen", {
-               styleMap: new OpenLayers.StyleMap({
-                       "default": new OpenLayers.Style({
-                               externalGraphic: "/vorlagen/gmap_rodelbahn_c.png",
-                               graphicWidth: 17,
-                               graphicHeight: 17,
-                               graphicXOffset: 0,
-                               graphicYOffset: 0,
-                               graphicZIndex: 11,
-                               backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
-                               backgroundWidth: 23,
-                               backgroundHeight: 23,
-                               backgroundXOffset: 0,
-                               backgroundYOffset: 0,
-                               backgroundZIndex: 12,
-                               title: "${label}"
+       // // Alternative: OpenTopoMap
+       // // see: https://opentopomap.org/about
+
+       // // Alternative: Dummy base layer
+       // var layer_map = new OpenLayers.Layer.Vector("Base Layer", {
+       //     isBaseLayer: true});
+       */
+
+
+       // path layer
+       // ----------
+
+       function get_feature_title(feature) {
+               var title = feature.get('type');
+               if (title == 'sledrun') return feature.get('name');
+               title = title.charAt(0).toUpperCase() + title.slice(1); // first letter uppercase
+               if (feature.get('name')) title += ': ' + feature.get('name');
+               return title;
+       }
+
+       // Returns 0 to 5 for features that represent sledruns as their condition
+       var get_sledrun_condition = function(feature) {
+               var condition = feature.get('condition');
+               if (condition === undefined) return 0;
+               return condition;
+       }
+
+       function style_point_function(feature, resolution) {
+               if (feature.get('type') == 'sledrun') {
+                       let condition = get_sledrun_condition(feature);
+                       let src = img_path + '/marker_c_sledrun_' + condition + 'nn.png';
+                       let marker_style = new ol.style.Style({
+                               image: new ol.style.Icon({
+                                       src: src,
+                                       imgSize: [17, 17],
+                                       anchor: [0.5, 0.5]
+                               }),
+                       });
+                       let shadow_style = new ol.style.Style({
+                               image: new ol.style.Icon({
+                                       src: img_path + '/marker_c_shadow.png',
+                                       imgSize: [23, 23],
+                                       anchor: [0.4, 0.4]
+                               }),
+                       });
+                       return [shadow_style, marker_style];
+
+               } else {
+                       let src = img_path + '/marker_p_' + feature.get('type') + '.png';
+                       let marker_style = new ol.style.Style({
+                               image: new ol.style.Icon({
+                                       src: src,
+                                       imgSize: [20, 34],
+                                       anchor: [0.5, 1.0]
+                               }),
+                       });
+                       return [marker_style];
+               }
+       }
+
+       function style_point_function_selected(feature, resolution) {
+               let style_array = style_point_function(feature, resolution);
+               style_array[0].setText(new ol.style.Text({
+                       text: get_feature_title(feature),
+                       font: 'icon',
+                       offsetY: 14,
+                       stroke: new ol.style.Stroke({
+                               color: '#ddd',
+                               width: 2,

                        }),
                        }),

-                       "highlight": new OpenLayers.Style({
-                               label: "${label}"
+               }));
+               return style_array;
+       }
+
+       function style_path_function(feature, resolution) {
+               var line_color = {
+                       'rodelbahn': '#014e9a',
+                       'gehweg': '#e98401',
+                       'alternative': '#7f7fff',
+                       'lift': '#000000',
+                       'anfahrt': '#e1e100'
+               };
+               var color = feature.get('strokeColor') || line_color[feature.get('type')] || '#e7525b';
+               var width = (feature.get('type') in ['lift', 'anfahrt']) ? 3 : 6;
+               return new ol.style.Style({
+                       stroke: new ol.style.Stroke({
+                               color: color,
+                               width: width

                        })
                        })

+               });
+       }
+
+       function style_function(feature, resolution) {
+               if (feature.getGeometry() instanceof ol.geom.Point) return style_point_function(feature, resolution);
+               return style_path_function(feature, resolution);
+       };

 
 

+       function style_function_selected(feature, resolution) {
+               if (feature.getGeometry() instanceof ol.geom.Point) return style_point_function_selected(feature, resolution);
+               return style_path_function(feature, resolution);
+       };
+
+
+       // popup overlay
+       // -------------
+       var popup_container = document.getElementById('popup');
+       var popup_content = document.getElementById('popup-content');
+       var popup_closer = document.getElementById('popup-closer');
+       var popup_overlay = new ol.Overlay({element: popup_container, autoPan: {animation: {duration: 250}}});
+       popup_closer.onclick = function() {popup_overlay.setPosition(undefined); popup_closer.blur(); return false;};
+
+       function create_popup_dom(feature) {
+               var popup_div = createElement('div');
+
+               // name
+               if (feature.get('name') !== undefined && (feature.get('wiki') !== undefined || feature.get('thumb_url') !== undefined)) {
+                       var h2 = appendElement(popup_div, 'h2');
+                       if (feature.get('wiki') === undefined) h2.text(feature.get('name'));
+                       else appendElement(h2, 'a', {href: feature.get('wiki')}).text(feature.get('name'));
+               }
+
+               // sledrun information
+               if (feature.get('type') == 'sledrun') {
+                       var p = appendElement(popup_div, 'p').text('Rodelbahnzustand').append(createElement('br'));
+                       if (feature.get('condition') !== undefined) {
+                               var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelmäßig', 4: 'Schlecht', 5: 'Geht nicht'};
+                               var year_month_day = feature.get('date_report').split('-');
+                               p.append(createElement('a', {href: feature.get('wiki') + '#Eintr.C3.A4ge'}).text(condition_text[feature.get('condition')]), ' ');
+                               p.append(createElement('small').text(year_month_day[2] + '.' + year_month_day[1] + '.'), ' ');
+                               p.append(createElement('em').append(createElement('a', {href: feature.get('wiki') + '#Eintragen'}).text('Neu')));
+                       } else {
+                               p.append(createElement('em').append(createElement('a', {href: feature.get('wiki') + '#Eintragen'}).text('Bitte eintragen')));
+                       }
+               }
+
+               // wiki link
+               if (feature.get('wiki') !== undefined) {
+                       var a = appendElement(appendElement(popup_div, 'p'), 'a', {href: feature.get('wiki')});
+                       var detail_text = 'Details';
+                       if (feature.get('type') == 'sledrun') detail_text += ' zur Rodelbahn';
+                       if (feature.get('type') == 'gasthaus') detail_text += ' zum Gasthaus';
+                       if (feature.get('thumb_url') === undefined) a.text(detail_text);
+                       else a.append(createElement('img', {src: feature.get('thumb_url'), alt: detail_text, title: detail_text}));
+               }
+
+               return popup_div;
+       }
+
+
+       /*
+       // point layer
+       // -----------
+       var filter_point_sledrun = new OpenLayers.Filter.Comparison({
+               type: OpenLayers.Filter.Comparison.EQUAL_TO,
+               property: 'type',
+               value: 'sledrun'
+       });
+
+
+       var layer_point = new OpenLayers.Layer.Vector("Point", {
+               styleMap: new OpenLayers.StyleMap({
+                       '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}
        });
                }),
                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')})]);
+
+*/
+       // 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 layer_sledrun_source = new ol.source.Vector({features: features_all});
+       var layer_sledrun = new ol.layer.Vector({
+               source: layer_sledrun_source,
+               style: style_function
+       });
+
+       var map = new ol.Map({
+               target: jq_map[0],
+               layers: [
+                       layer_map,
+                       layer_sledrun
+               ],
+               overlays: [popup_overlay],
+               view: new ol.View({
+                       center: ol.proj.fromLonLat([lon, lat]),
+                       zoom: zoom
+               }),
+               controls: ol.control.defaults({
+                       attributionOptions: {
+                               collapsible: false
+                       }
+               }),
+               interactions: ol.interaction.defaults({
+                       mouseWheelZoom: false
+               })

        });
 
        });
 

-       // 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);

 
 

-}
+       var select_hover = new ol.interaction.Select({
+               condition: ol.events.condition.pointerMove,
+               style: style_function_selected,
+       });
+       map.addInteraction(select_hover);

 
 

+       var select_click = new ol.interaction.Select({
+               condition: ol.events.condition.click,
+       });
+       map.addInteraction(select_click);
+       select_click.on('select', function(event) {
+               if (event.selected.length > 0) {
+                       let feature = event.selected[0];
+                       let coordinates = feature.getGeometry().getCoordinates();
+                       let popup_dom = create_popup_dom(feature);
+                       if (popup_dom.children().length > 0) {
+                               $(popup_content).empty().append(popup_dom);
+                               popup_overlay.setPosition(coordinates);
+                       }
+               }
+       });
+}

 
 function init_wrmaps() {
        var jq_maps = $('.wrmap'); // all wrmap <div> elements
 
 function init_wrmaps() {
        var jq_maps = $('.wrmap'); // all wrmap <div> elements