X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/5ac70d894634f35ad26ac7be12e115ed57ad7a83..6d1167356221c518eb8f1f94745bb33908de826a:/public/javascripts/map.js?ds=inline diff --git a/public/javascripts/map.js b/public/javascripts/map.js index 63c4e4915..6e012b3d3 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,64 +1,93 @@ +var epsg4326 = new OpenLayers.Projection("EPSG:4326"); var map; var markers; +var vectors; var popup; -function createMap(divName) { - OpenLayers.Util.onImageLoadError = function() { - this.src = OpenLayers.Util.getImagesLocation() + "404.png"; - } - - map = new OpenLayers.Map(divName, - { maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508), - numZoomLevels: 19, - maxResolution: 156543, - units: 'm', - projection: "EPSG:41001" }); +var nonamekeys = { + 'openstreetmap.org': '2f59745a6b525b4ebdb100891d5b6711', + 'www.openstreetmap.org': 'fd093e52f0965d46bb1c6c6281022199', + 'openstreetmap.com': '4c60e7f5f31c576a9bb8da71c8d61152', + 'www.openstreetmap.com': '142f25a0770a51a9a400b3513834a199', + 'openstreetmap.net': '687c58fd1d715596bfc94abe653d8ac0', + 'www.openstreetmap.net': '0bd1654141c85d30b9c2ccdb5302f2e4' +}; + +OpenLayers._getScriptLocation = function () { + // Should really have this file as an erb, so that this can return + // the real rails root + return "/openlayers/"; +} - var mapnik = new OpenLayers.Layer.TMS("Mapnik", - ["http://a.tile.openstreetmap.org/","http://b.tile.openstreetmap.org/","http://c.tile.openstreetmap.org/"], - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); +function createMap(divName, options) { + options = options || {}; + + map = new OpenLayers.Map(divName, { + controls: options.controls || [ + new OpenLayers.Control.ArgParser(), + new OpenLayers.Control.Attribution(), + new OpenLayers.Control.LayerSwitcher(), + new OpenLayers.Control.Navigation(), + new OpenLayers.Control.PanZoomBar(), + new OpenLayers.Control.ScaleLine() + ], + units: "m", + maxResolution: 156543.0339, + numZoomLevels: 20, + displayProjection: new OpenLayers.Projection("EPSG:4326") + }); + + var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); map.addLayer(mapnik); - var osmarender = new OpenLayers.Layer.TMS("Osmarender", - "http://tah.openstreetmap.org/Tiles/tile.php/", - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); + var osmarender = new OpenLayers.Layer.OSM.Osmarender("Osmarender", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); map.addLayer(osmarender); - markers = new OpenLayers.Layer.Markers("markers", { visibility: false }); + var cyclemap = new OpenLayers.Layer.OSM.CycleMap("Cycle Map", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); + map.addLayer(cyclemap); + + var nonamekey = nonamekeys[document.domain]; + var noname = new OpenLayers.Layer.OSM("NoName", [ + "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/", + "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/", + "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/" + ], { + displayOutsideMaxExtent: true, + wrapDateLine: true, + numZoomLevels: 19 + }); + map.addLayer(noname); + + var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", { + displayOutsideMaxExtent: true, + wrapDateLine: true + }); + map.addLayer(maplint); + + var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels); + + markers = new OpenLayers.Layer.Markers("Markers", { + displayInLayerSwitcher: false, + numZoomLevels: numZoomLevels, + maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508), + maxResolution: 156543, + units: "m", + projection: "EPSG:900913" + }); map.addLayer(markers); - - map.addControl(new OpenLayers.Control.LayerSwitcher()); - + return map; } -function getTileURL(bounds) { - var res = this.map.getResolution(); - var x = Math.round((bounds.left - this.maxExtent.left) / (res * this.tileSize.w)); - var y = Math.round((this.maxExtent.top - bounds.top) / (res * this.tileSize.h)); - var z = this.map.getZoom(); - var limit = Math.pow(2, z); - - if (y < 0 || y >= limit) - { - return OpenLayers.Util.getImagesLocation() + "404.png"; - } - else - { - x = ((x % limit) + limit) % limit; - - var url = this.url; - var path = z + "/" + x + "/" + y + "." + this.type; - - if (url instanceof Array) - { - url = this.selectUrl(path, url); - } - - return url + path; - } -} - function getArrowIcon() { var size = new OpenLayers.Size(25, 22); var offset = new OpenLayers.Pixel(-30, -27); @@ -68,10 +97,9 @@ function getArrowIcon() { } function addMarkerToMap(position, icon, description) { - var marker = new OpenLayers.Marker(position, icon); + var marker = new OpenLayers.Marker(position.clone().transform(epsg4326, map.getProjectionObject()), icon); markers.addMarker(marker); - markers.setVisibility(true); if (description) { marker.events.register("click", marker, function() { openMapPopup(marker, description) }); @@ -80,14 +108,33 @@ function addMarkerToMap(position, icon, description) { return marker; } +function addBoxToMap(boxbounds) { + 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("Box Layer", { + displayInLayerSwitcher: false + }); + map.addLayer(vectors); + } + var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject()); + var box = new OpenLayers.Feature.Vector(geometry, {}, { + strokeWidth: 2, + strokeColor: '#ee9900', + fillOpacity: 0 + }); + + vectors.addFeatures(box); + + return box; +} + function openMapPopup(marker, description) { closeMapPopup(); - popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, - sizeMapPopup(description), - "

" + description + "

", - marker.icon, true); + popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, null, + description, marker.icon, true); popup.setBackgroundColor("#E3FFC5"); + popup.autoSize = true; map.addPopup(popup); return popup; @@ -100,76 +147,75 @@ function closeMapPopup() { } } -function sizeMapPopup(text) { - var box = document.createElement("div"); +function removeMarkerFromMap(marker){ + markers.removeMarker(marker); +} - box.innerHTML = text; - box.style.visibility = "hidden"; - box.style.position = "absolute"; - box.style.top = "0px"; - box.style.left = "0px"; - box.style.width = "200px"; - box.style.height = "auto"; +function removeBoxFromMap(box){ + vectors.removeFeature(box); +} - document.body.appendChild(box); +function getMapCenter(center, zoom) { + return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326); +} - var width = box.offsetWidth; - var height = box.offsetHeight; +function setMapCenter(center, zoom) { + zoom = parseInt(zoom); + var numzoom = map.getNumZoomLevels(); + if (zoom >= numzoom) zoom = numzoom - 1; + map.setCenter(center.clone().transform(epsg4326, map.getProjectionObject()), zoom); +} - document.body.removeChild(box); +function setMapExtent(extent) { + map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); +} - return new OpenLayers.Size(width + 30, height + 24); +function getMapExtent() { + return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); } -function removeMarkerFromMap(marker){ - markers.removeMarker(marker); +function getEventPosition(event) { + return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326); } function getMapLayers() { - var layers = ""; + var layerConfig = ""; - for (var i=0; i< this.map.layers.length; i++) { - var layer = this.map.layers[i]; + for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) { + layerConfig += layers[i] == map.baseLayer ? "B" : "0"; + } - if (layer.isBaseLayer) { - layers += (layer == this.map.baseLayer) ? "B" : "0"; - } else { - layers += (layer.getVisibility()) ? "T" : "F"; - } + for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) { + layerConfig += layers[i].getVisibility() ? "T" : "F"; } - return layers; + return layerConfig; } -function setMapLayers(layers) { - for (var i=0; i < layers.length; i++) { - var layer = map.layers[i]; - var c = layers.charAt(i); +function setMapLayers(layerConfig) { + 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(layer); - } else if ( (c == "T") || (c == "F") ) { - layer.setVisibility(c == "T"); + map.setBaseLayer(layers[i]); } } -} - -function mercatorToLonLat(merc) { - var lon = (merc.lon / 20037508.34) * 180; - var lat = (merc.lat / 20037508.34) * 180; - lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2); - - return new OpenLayers.LonLat(lon, lat); -} - -function lonLatToMercator(ll) { - var lon = ll.lon * 20037508.34 / 180; - var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180); + while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") { + l++; + } - lat = lat * 20037508.34 / 180; + for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) { + var c = layerConfig.charAt(l++); - return new OpenLayers.LonLat(lon, lat); + if (c == "T") { + layers[i].setVisibility(true); + } else if(c == "F") { + layers[i].setVisibility(false); + } + } } function scaleToZoom(scale) {