]> ToastFreeware Gitweb - philipp/winterrodeln/mediawiki_extensions/wrmap.git/blobdiff - wrmap.js
Tagged output with 'nowiki' to prevent further processing.
[philipp/winterrodeln/mediawiki_extensions/wrmap.git] / wrmap.js
index c3567b5d8d9ab9378f393d3af26ef8b21000db7a..bab462b3d9d2170d79879e0d462b6a25e4767296 100644 (file)
--- a/wrmap.js
+++ b/wrmap.js
@@ -1,30 +1,28 @@
 "use strict";
 
 function init_wrmap(i, jq_map) {
+       // define constants
+       var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
+       var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
+
+       // extract geojson from map element and clear map element's content
        jq_map = $(jq_map);
-       var jq_map_script = jq_map.children();
        OpenLayers.ImgPath = jq_map.attr('data-img-path'); // e.g. "/mediawiki/extensions/wrmap/openlayers/img/"
-       var json_string = jq_map_script.text();
-       jq_map_script.detach();
+       var json_string = jq_map.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 EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat 
-       var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
-       var format_json = new OpenLayers.Format.GeoJSON();
-       var features_all = format_json.read(json_string);
        var features_path = new Array();
        var features_point = new Array();
-       var features_sledrun = new Array();
        for (var i = 0; i != features_all.length; ++i) {
                var feature = features_all[i];
                feature.geometry.transform(EPSG4326, EPSG3857);
-               if (feature.geometry.CLASS_NAME == 'OpenLayers.Geometry.Point') {
-                       if (feature.attributes.type == 'sledrun') {
-                               if (feature.attributes.condition === undefined) feature.attributes.condition = 0;
-                               features_sledrun.push(feature);
-                       } else features_point.push(feature);
-               } else features_path.push(feature);
+               if (feature.geometry instanceof OpenLayers.Geometry.Point) features_point.push(feature);
+               else features_path.push(feature);
        }
 
 
@@ -41,6 +39,10 @@ function init_wrmap(i, jq_map) {
        // var layer_map = new OpenLayers.Layer.Bing({
        //     type: "Road",
        //     key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
+       
+       // // Alternative: Dummy base layer
+       // var layer_map = new OpenLayers.Layer.Vector("Base Layer", {
+       //     isBaseLayer: true});
 
        
        // path layer
@@ -53,15 +55,16 @@ function init_wrmap(i, jq_map) {
                                context: {
                                        getStrokeColor: function(feature) {
                                                if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
-                                               if (feature.attributes.type == 'sledrun') return '#014e9a';
-                                               if (feature.attributes.type == 'walk') return '#e98401';
+                                               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 '#ee9900';
                                        },
                                        getStrokeWidth: function(feature) {
                                                if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
-                                               if (feature.attributes.type == 'lift') return 3;
+                                               if (feature.attributes.type == 'lift' || feature.attributes.type == 'anfahrt') return 3;
                                                return 6;
                                        }
                                }
@@ -71,36 +74,91 @@ function init_wrmap(i, jq_map) {
        
        // point layer
        // -----------
-       var layer_point = new OpenLayers.Layer.Vector("Point", {
-               rendererOptions: {yOrdering: true}
+       var filter_point_sledrun = new OpenLayers.Filter.Comparison({
+               type: OpenLayers.Filter.Comparison.EQUAL_TO,
+               property: 'type',
+               value: 'sledrun'
        });
 
-       
-       // sledrun layer
-       // ------------
-       var layer_sledrun = new OpenLayers.Layer.Vector("Sledrun", { 
+       var layer_point = new OpenLayers.Layer.Vector("Point", {
                styleMap: new OpenLayers.StyleMap({
-                       "default": new OpenLayers.Style({
-                               externalGraphic: "/vorlagen/bahnzustand${condition}_0.png",
-                               graphicWidth: 17,
-                               graphicHeight: 17,
-                               graphicXOffset: -8,
-                               graphicYOffset: -8,
-                               graphicZIndex: 12,
-                               backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
-                               backgroundWidth: 23,
-                               backgroundHeight: 23,
-                               backgroundXOffset: -8,
-                               backgroundYOffset: -8,
-                               backgroundGraphicZIndex: 11,
-                               title: "${name}"
-                       }),
-                       "highlight": new OpenLayers.Style({
-                               label: "${name}",
-                               labelOutlineColor: "white",
-                               labelYOffset: 12,
-                               fontWeight: "bold"
-                       }) 
+                       'default': new OpenLayers.Style({
+                                       graphicZIndex: 12,
+                                       backgroundGraphicZIndex: 11,
+                               }, {
+                                       context: {
+                                               // the following context functions should only be available in the rule that uses them,
+                                               // but the rule dependent contexts are ignored by OpenLayers (I think that's a bug)
+                                               getCondition: function(feature) {
+                                                       if (feature.condition === undefined) return 0;
+                                                       return feature.condition;
+                                               },
+                                               getSymbol: function(feature) {
+                                                       var name = feature.attributes.type;
+                                                       return name;
+                                               }
+                                       },
+                                       rules: [
+                                               new OpenLayers.Rule({
+                                                       filter: filter_point_sledrun,
+                                                       symbolizer: {
+                                                               externalGraphic: '/vorlagen/bahnzustand${getCondition}_0.png',
+                                                               graphicWidth: 17,
+                                                               graphicHeight: 17,
+                                                               graphicXOffset: -8,
+                                                               graphicYOffset: -8,
+                                                               backgroundGraphic: "/vorlagen/gmap_rodelbahn_c_s.png",
+                                                               backgroundWidth: 23,
+                                                               backgroundHeight: 23,
+                                                               backgroundXOffset: -8,
+                                                               backgroundYOffset: -8,
+                                                       }
+                                               }),
+                                               new OpenLayers.Rule({
+                                                       elseFilter: true,
+                                                       symbolizer: {
+                                                               externalGraphic: '/vorlagen/gmap_${getSymbol}.png',
+                                                               graphicWidth: 20,
+                                                               graphicHeight: 34,
+                                                               graphicXOffset: -10,
+                                                               graphicYOffset: -33,
+                                                       }
+                                               })
+                                       ]
+                               }),
+                       highlight: new OpenLayers.Style({
+                                       label: "${getTitle}",
+                                       labelOutlineColor: "white",
+                                       fontWeight: "bold"
+                               }, {
+                                       context: {
+                                               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
+                                                       }
+                                               }),
+                                               new OpenLayers.Rule({
+                                                       elseFilter: true,
+                                                       symbolizer: {
+                                                               labelYOffset: 40
+                                                       }
+                                               })
+                                       ]
+                               }) 
                }),
                rendererOptions: {yOrdering: true}
        });
@@ -108,15 +166,22 @@ function init_wrmap(i, jq_map) {
 
        // map itself
        // ----------
-       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'));
+       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, layer_sledrun],
+               layers: [layer_map, layer_path, layer_point],
                center: new OpenLayers.LonLat(lon, lat).transform(EPSG4326, EPSG3857),
                zoom: zoom
        });
@@ -126,7 +191,6 @@ function init_wrmap(i, jq_map) {
        // 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); 
-       layer_sledrun.addFeatures(features_sledrun); 
 
        // disable mouse wheel zoom
        var navigation_control = map.getControlsByClass('OpenLayers.Control.Navigation')[0];
@@ -136,7 +200,7 @@ function init_wrmap(i, jq_map) {
        // map.addControl(new OpenLayers.Control.LayerSwitcher());
 
        // print sledrun name when mouse moves over it
-       map.addControl(new OpenLayers.Control.SelectFeature(layer_sledrun, {
+       map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
                hover: true,
                highlightOnly: true,
                autoActivate: true,
@@ -144,25 +208,32 @@ function init_wrmap(i, jq_map) {
        }));
 
        // show popup when user clicks on a sledrun icon
-       map.addControl(new OpenLayers.Control.SelectFeature(layer_sledrun, {
+       map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
                autoActivate: true,
                toggle: true,
                onSelect: function(feature) {
+                       var popup_text = '';
+                       if (feature.attributes.type == 'sledrun') {
+                               popup_text += "<h2>" + feature.attributes.name + '</h2>\n' +
+                               '<ul>\n' +
+                               '<li><a href="' + feature.attributes.wiki + '">Details zur Rodelbahn</a></li>\n' + 
+                               '<li>Rodelbahnzustand<br/>';
+                               if (feature.attributes.condition !== undefined) {
+                                       var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelm&auml;&szlig;ig', 4: 'Schlecht', 5: 'Geht nicht'};
+                                       var year_month_day = feature.attributes.date_report.split('-');
+                                       popup_text += '<a href="' + feature.attributes.wiki + '#Eintr.C3.A4ge">' + condition_text[feature.attributes.condition] + '</a> ' + 
+                                       '<small>' + year_month_day[2] + '.' + year_month_day[1] + '.</small> ' +
+                                       '<em><a href="' + feature.attributes.wiki + '#Eintragen">Neu</a></em>';
+                               } else {
+                                       popup_text += '<em><a href="' + feature.attributes.wiki + '#Eintragen">Bitte eintragen</a></em>';
+                               }
+                               popup_text += '</li>\n</ul>\n';
+                       } else if (feature.attributes.wiki !== undefined) {
+                               if (feature.attributes.name != undefined) popup_text += '<h2>' + feature.attributes.name + '</h2>\n';
+                               popup_text += '<p><a href="' + feature.attributes.wiki + '">Details</a></p>\n';
+                       } else return;
+
                        // Open popup
-                       var popup_text = "<h2>" + feature.attributes.name + '</h2>\n' +
-                       '<ul>\n' +
-                       '<li><a href="' + feature.attributes.wiki + '">Details zur Rodelbahn</a></li>\n' + 
-                       '<li>Rodelbahnzustand<br/>';
-                       if (feature.attributes.date_report !== undefined) {
-                               var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelm&auml;&szlig;ig', 4: 'Schlecht', 5: 'Geht nicht'};
-                               var year_month_day = feature.attributes.date_report.split('-');
-                               popup_text += '<a href="' + feature.attributes.wiki + '#Eintr.C3.A4ge">' + condition_text[feature.attributes.condition] + '</a> ' + 
-                               '<small>' + year_month_day[2] + '.' + year_month_day[1] + '.</small> ' +
-                               '<em><a href="' + feature.attributes.wiki + '#Eintragen">Neu</a></em>';
-                       } else {
-                               popup_text += '<em><a href="' + feature.attributes.wiki + '#Eintragen">Bitte eintragen</a></em>';
-                       }
-                       popup_text += '</li>\n</ul>\n';
                        var selectFeatureControl = this;
                        var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + feature.attributes.wiki, 
                        feature.geometry.getBounds().getCenterLonLat(),
@@ -176,6 +247,8 @@ 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();