"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 = $(jq_map);
OpenLayers.ImgPath = jq_map.attr('data-img-path'); // e.g. "/mediawiki/extensions/wrmap/openlayers/img/"
- var jq_sledruns = jq_map.children();
- jq_sledruns.detach();
-
- // Introduce EPSG:3857 as an alias of the built in EPSG:900913 projection (both are the "Google/OSM" projections)
- var EPSG4326 = new OpenLayers.Projection("EPSG:4326"); // lon/lat
- var EPSG3857 = new OpenLayers.Projection("EPSG:3857"); // google
+ var json_string = jq_map.text();
+ jq_map.empty(); // once parsed, remove geojson string from the map element.
+ var format_json = new OpenLayers.Format.JSON();
+ var json_js = format_json.read(json_string);
+ var format_geojson = new OpenLayers.Format.GeoJSON();
+ var features_all = format_geojson.read(json_js);
+
+ // extract, tranform and split features to layers
+ var features_path = new Array();
+ var features_point = new Array();
+ for (var i = 0; i != features_all.length; ++i) {
+ var feature = features_all[i];
+ feature.geometry.transform(EPSG4326, EPSG3857);
+ if (feature.geometry instanceof OpenLayers.Geometry.Point) features_point.push(feature);
+ else features_path.push(feature);
+ }
- // Create the map
- var map = new OpenLayers.Map(jq_map.context, {
- projection: EPSG3857,
- displayProjection: EPSG4326,
- units: "m",
- theme: null
- });
- // Google Layer
+ // background layer
+ // ----------------
var layer_map = new OpenLayers.Layer.Google("Google Physical", {
type: google.maps.MapTypeId.TERRAIN
});
// type: "Road",
// key: "AgPH3SlIXAwajrJKf0FORQyhTqsP8KIlvtN6RKfvxe6fOB6q6-HFmg8EOFm7LSOA"});
- // Sledrun layer
- var layer_sledruns = new OpenLayers.Layer.Vector("Rodelbahnen", {
+ // // Alternative: Dummy base layer
+ // var layer_map = new OpenLayers.Layer.Vector("Base Layer", {
+ // isBaseLayer: true});
+
+
+ // path layer
+ // ----------
+ var layer_path = new OpenLayers.Layer.Vector("Path", {
+ styleMap: new OpenLayers.StyleMap(new OpenLayers.Style({
+ strokeColor: '${getStrokeColor}',
+ strokeWidth: '${getStrokeWidth}'
+ }, {
+ context: {
+ getStrokeColor: function(feature) {
+ if (feature.attributes.strokeColor !== undefined) return feature.attributes.strokeColor;
+ if (feature.attributes.type == 'rodelbahn') return '#014e9a';
+ if (feature.attributes.type == 'gehweg') return '#e98401';
+ if (feature.attributes.type == 'alternative') return '#7f7fff';
+ if (feature.attributes.type == 'lift') return '#000000';
+ if (feature.attributes.type == 'anfahrt') return '#e1e100';
+ return '#ee9900';
+ },
+ getStrokeWidth: function(feature) {
+ if (feature.attributes.strokeWidth !== undefined) return feature.attributes.strokeWidth;
+ if (feature.attributes.type == 'lift' || feature.attributes.type == 'anfahrt') return 3;
+ return 6;
+ }
+ }
+ }))
+ });
+
+
+ // point layer
+ // -----------
+ var filter_point_sledrun = new OpenLayers.Filter.Comparison({
+ type: OpenLayers.Filter.Comparison.EQUAL_TO,
+ property: 'type',
+ value: 'sledrun'
+ });
+
+ var layer_point = new OpenLayers.Layer.Vector("Point", {
styleMap: new OpenLayers.StyleMap({
- "default": new OpenLayers.Style({
- externalGraphic: "/vorlagen/bahnzustand${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: "${label}"
- }),
- "highlight": new OpenLayers.Style({
- label: "${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: 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}
});
- 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'),
- has_report: jq_sledrun.attr('data-date_report') !== undefined,
- date_report: jq_sledrun.attr('data-date_report') === undefined ? null : jq_sledrun.attr('data-date_report'),
- condition: jq_sledrun.attr('data-condition') === undefined ? '0' : jq_sledrun.attr('data-condition')
- })]);
+
+
+ // 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
});
+
+
+ // 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_sledruns, {
+ map.addControl(new OpenLayers.Control.SelectFeature(layer_point, {
hover: true,
highlightOnly: true,
autoActivate: true,
}));
// show popup when user clicks on a sledrun icon
- map.addControl(new OpenLayers.Control.SelectFeature(layer_sledruns, {
+ 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: 'Mittelmäßig', 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['label'] + '</h2>\n' +
- '<ul>\n' +
- '<li><a href="' + feature.attributes['url'] + '">Details zur Rodelbahn</a></li>\n' +
- '<li>Rodelbahnzustand<br/>';
- if (feature.attributes['has_report']) {
- var condition_text = {1: 'Sehr gut', 2: 'Gut', 3: 'Mittelmäßig', 4: 'Schlecht', 5: 'Geht nicht'};
- var year_month_day = feature.attributes['date_report'].split('-');
- popup_text += '<a href="' + feature.attributes['url'] + '#Eintr.C3.A4ge">' + condition_text[feature.attributes['condition']] + '</a> ' +
- '<small>' + year_month_day[2] + '.' + year_month_day[1] + '.</small> ' +
- '<em><a href="' + feature.attributes['url'] + '#Eintragen">Neu</a></em>';
- } else {
- popup_text += '<em><a href="' + feature.attributes['url'] + '#Eintragen">Bitte eintragen</a></em>';
- }
- popup_text += '</li>\n</ul>\n';
var selectFeatureControl = this;
- var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + feature.attributes['label'],
+ var popup = new OpenLayers.Popup.FramedCloud('sledruninfopopup_' + feature.attributes.wiki,
feature.geometry.getBounds().getCenterLonLat(),
null,
popup_text,
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);
-
}