-var epsg4326 = new OpenLayers.Projection("EPSG:4326");
-var map;
-var markers;
-var vectors;
-var popup;
-
-function createMap(divName, options) {
- options = options || {};
-
- map = new OpenLayers.Map(divName, {
- controls: options.controls || [
- new OpenLayers.Control.ArgParser(),
- new OpenLayers.Control.Attribution(),
- new SimpleLayerSwitcher(),
- new OpenLayers.Control.Navigation(),
- new OpenLayers.Control.Zoom(),
- new OpenLayers.Control.PanZoomBar(),
- new OpenLayers.Control.ScaleLine({geodesic: true})
- ],
- numZoomLevels: 20,
- displayProjection: new OpenLayers.Projection("EPSG:4326"),
- theme: "<%= asset_path 'theme/default/style.css' %>"
- });
-
- var mapnik = new OpenLayers.Layer.OSM.Mapnik(i18n("javascripts.map.base.standard"), {
- attribution: "",
- keyid: "mapnik",
- displayOutsideMaxExtent: true,
- wrapDateLine: true,
- layerCode: "M"
- });
- map.addLayer(mapnik);
-
- var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), {
- attribution: "Tiles courtesy of <a href='http://www.opencyclemap.org/' target='_blank'>Andy Allan</a>",
- keyid: "cyclemap",
- displayOutsideMaxExtent: true,
- wrapDateLine: true,
- layerCode: "C"
- });
- map.addLayer(cyclemap);
-
- var transportmap = new OpenLayers.Layer.OSM.TransportMap(i18n("javascripts.map.base.transport_map"), {
- attribution: "Tiles courtesy of <a href='http://www.opencyclemap.org/' target='_blank'>Andy Allan</a>",
- keyid: "transportmap",
- displayOutsideMaxExtent: true,
- wrapDateLine: true,
- layerCode: "T"
- });
- map.addLayer(transportmap);
-
- var mapquest = new OpenLayers.Layer.OSM(i18n("javascripts.map.base.mapquest"), [
- "http://otile1.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
- "http://otile2.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
- "http://otile3.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png",
- "http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png"
- ], {
- attribution: "Tiles courtesy of <a href='http://www.mapquest.com/' target='_blank'>MapQuest</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png'>",
- keyid: "mapquest",
- displayOutsideMaxExtent: true,
- wrapDateLine: true,
- numZoomLevels: 19,
- layerCode: "Q"
- });
- map.addLayer(mapquest);
-
- markers = new OpenLayers.Layer.Markers("Markers", {
- displayInLayerSwitcher: false,
- numZoomLevels: 20,
- projection: "EPSG:900913"
- });
- map.addLayer(markers);
-
- return map;
-}
-
-function getArrowIcon() {
- var size = new OpenLayers.Size(25, 22);
- var offset = new OpenLayers.Pixel(-22, -20);
- var icon = new OpenLayers.Icon("<%= asset_path 'arrow.png' %>", size, offset);
-
- return icon;
-}
-
-function addMarkerToMap(position, icon, description) {
- var marker = new OpenLayers.Marker(proj(position), icon);
-
- markers.addMarker(marker);
-
- if (description) {
- marker.events.register("mouseover", marker, function() {
- openMapPopup(marker, description);
- });
- }
-
- return marker;
-}
-
-function addObjectToMap(url, zoom, callback) {
- var layer = new OpenLayers.Layer.Vector("Objects", {
- strategies: [
- new OpenLayers.Strategy.Fixed()
- ],
- protocol: new OpenLayers.Protocol.HTTP({
- url: url,
- format: new OpenLayers.Format.OSM()
- }),
- style: {
- strokeColor: "blue",
- strokeWidth: 3,
- strokeOpacity: 0.5,
- fillOpacity: 0.2,
- fillColor: "lightblue",
- pointRadius: 6
- },
- projection: new OpenLayers.Projection("EPSG:4326"),
- displayInLayerSwitcher: false
- });
-
- layer.events.register("loadend", layer, function() {
- var extent;
-
- if (this.features.length) {
- extent = this.features[0].geometry.getBounds();
-
- for (var i = 1; i < this.features.length; i++) {
- extent.extend(this.features[i].geometry.getBounds());
- }
-
- if (zoom) {
- if (extent) {
- this.map.zoomToExtent(extent);
- } else {
- this.map.zoomToMaxExtent();
- }
- }
- }
-
- if (callback) {
- callback(extent);
- }
- });
-
- map.addLayer(layer);
-}
-
-function addBoxToMap(boxbounds, id, outline) {
- if (!vectors) {
- // Be aware that IE requires Vector layers be initialised on page load, and not under deferred script conditions
- vectors = new OpenLayers.Layer.Vector("Boxes", {
- displayInLayerSwitcher: false
- });
- map.addLayer(vectors);
- }
- var geometry;
- if (outline) {
- vertices = boxbounds.toGeometry().getVertices();
- vertices.push(new OpenLayers.Geometry.Point(vertices[0].x, vertices[0].y));
- geometry = proj(new OpenLayers.Geometry.LineString(vertices));
- } else {
- geometry = proj(boxbounds.toGeometry());
- }
- var box = new OpenLayers.Feature.Vector(geometry, {}, {
- strokeWidth: 2,
- strokeColor: '#ee9900',
- fillOpacity: 0
- });
- box.fid = id;
-
- vectors.addFeatures(box);
-
- return box;
-}
-
-function openMapPopup(marker, description) {
- closeMapPopup();
-
- popup = new OpenLayers.Popup.FramedCloud("popup", marker.lonlat, null,
- description, marker.icon, true);
- popup.setBackgroundColor("#E3FFC5");
- map.addPopup(popup);
-
- return popup;
-}
-
-function closeMapPopup() {
- if (popup) {
- map.removePopup(popup);
- delete popup;
- }
-}
-
-function removeMarkerFromMap(marker){
- markers.removeMarker(marker);
-}
-
-function removeBoxFromMap(box){
- vectors.removeFeature(box);
-}
-
-function proj(x) {
- return x.clone().transform(epsg4326, map.getProjectionObject());
-}
-
-function unproj(x) {
- return x.clone().transform(map.getProjectionObject(), epsg4326);
-}
-
-function setMapCenter(center, zoom) {
- zoom = parseInt(zoom, 10);
- var numzoom = map.getNumZoomLevels();
- if (zoom >= numzoom) zoom = numzoom - 1;
- map.setCenter(proj(center), zoom);
-}
-
-function getEventPosition(event) {
- return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326);
-}
-
-function getMapLayers() {
- var layerConfig = "";
-
- for (var i = 0; i < map.layers.length; i++) {
- if (map.layers[i].layerCode && map.layers[i].getVisibility()) {
- layerConfig += map.layers[i].layerCode;
- }
- }
-
- return layerConfig;
-}
-
-function setMapLayers(layerConfig) {
- if (layerConfig.charAt(0) == "B" || layerConfig.charAt(0) == "0") {
- var l = 0;
-
- for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) {
- var c = layerConfig.charAt(l++);
-
- if (c == "B") {
- map.setBaseLayer(layers[i]);
- } else {
- map.layers[i].setVisibility(false);
- }
- }
- } else {
- for (var i = 0; i < map.layers.length; i++) {
- if (map.layers[i].layerCode) {
- if (layerConfig.indexOf(map.layers[i].layerCode) >= 0) {
- if (map.layers[i].isBaseLayer) {
- map.setBaseLayer(map.layers[i]);
- } else {
- map.layers[i].setVisibility(true);
- }
- } else if (!map.layers[i].isBaseLayer) {
- map.layers[i].setVisibility(false);
- }
- }
- }
- }
projects / rails.git / blobdiff