X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/cbb7d974052c079dff81b70d40c0d134b14298ae..48929e8781f9c136a142400a7a2ef1cf994f74fd:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index 781ea5551..df9d30992 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,82 +1,187 @@ +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 mapnik = new OpenLayers.Layer.TMS("Mapnik", - "http://tile.openstreetmap.org/", - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); +var nonamekeys = { + 'openstreetmap.org': '2f59745a6b525b4ebdb100891d5b6711', + 'www.openstreetmap.org': 'fd093e52f0965d46bb1c6c6281022199', + 'openstreetmap.com': '4c60e7f5f31c576a9bb8da71c8d61152', + 'www.openstreetmap.com': '142f25a0770a51a9a400b3513834a199', + 'openstreetmap.net': '687c58fd1d715596bfc94abe653d8ac0', + 'www.openstreetmap.net': '0bd1654141c85d30b9c2ccdb5302f2e4' +}; + +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.PanZoom(), + new OpenLayers.Control.PanZoomBar(), + new OpenLayers.Control.ScaleLine({geodesic: true}) + ], + units: "m", + maxResolution: 156543.0339, + numZoomLevels: 20, + displayProjection: new OpenLayers.Projection("EPSG:4326") + }); + + var mapnik = new OpenLayers.Layer.OSM.Mapnik(i18n("javascripts.map.base.mapnik"), { + keyid: "mapnik", + displayOutsideMaxExtent: true, + wrapDateLine: true, + layerCode: "M" + }); map.addLayer(mapnik); - var osmarender = new OpenLayers.Layer.TMS("Osmarender", - "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/", - { type: 'png', getURL: getTileURL, displayOutsideMaxExtent: true }); + var osmarender = new OpenLayers.Layer.OSM.Osmarender(i18n("javascripts.map.base.osmarender"), { + keyid: "osmarender", + displayOutsideMaxExtent: true, + wrapDateLine: true, + layerCode: "O" + }); map.addLayer(osmarender); - markers = new OpenLayers.Layer.Markers("markers", { visibility: false }); + var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), { + keyid: "cyclemap", + displayOutsideMaxExtent: true, + wrapDateLine: true, + layerCode: "C" + }); + map.addLayer(cyclemap); + + var nonamekey = nonamekeys[document.domain]; + var noname = new OpenLayers.Layer.OSM(i18n("javascripts.map.base.noname"), [ + "http://a.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png", + "http://b.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png", + "http://c.tile.cloudmade.com/" + nonamekey + "/3/256/${z}/${x}/${y}.png" + ], { + displayOutsideMaxExtent: true, + wrapDateLine: true, + numZoomLevels: 19, + layerCode: "N" + }); + map.addLayer(noname); + + 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); +function getArrowIcon() { + var size = new OpenLayers.Size(25, 22); + var offset = new OpenLayers.Pixel(-30, -27); + var icon = new OpenLayers.Icon("/images/arrow.png", size, offset); - if (y < 0 || y >= limit) - { - return null; - } - else - { - x = ((x % limit) + limit) % limit; - - return this.url + z + "/" + x + "/" + y + "." + this.type; - } + return icon; } 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) }); + marker.events.register("mouseover", marker, function() { openMapPopup(marker, description) }); + marker.events.register("mouseout", marker, function() { closeMapPopup() }); } return marker; } -function openMapPopup(marker, description) { -// var box = document.createElement("div"); -// box.innerHTML = description; -// box.style.display = 'none'; -// box.style.width = "200px"; -// document.body.appendChild(box); +function addObjectToMap(url, zoom, callback) { + var layer = new OpenLayers.Layer.GML("Objects", url, { + format: 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); + + layer.loadGML(); +} + +function addBoxToMap(boxbounds, attributes, line) { + 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 (line) { + vertices = boxbounds.toGeometry().getVertices(); + vertices.push( new OpenLayers.Geometry.Point( vertices[0].x, vertices[0].y ) ); + geometry = new OpenLayers.Geometry.LineString(vertices).transform(epsg4326, map.getProjectionObject()); + } else { + geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject()); + } + var box = new OpenLayers.Feature.Vector(geometry, attributes, { + strokeWidth: 2, + strokeColor: '#ee9900', + fillOpacity: 0 + }); + + vectors.addFeatures(box); + + return box; +} +function openMapPopup(marker, description) { closeMapPopup(); - popup = new OpenLayers.Popup.AnchoredBubble("popup", marker.lonlat, - new OpenLayers.Size(200, 50), - "

" + description + "

", - marker.icon, true); + popup = new OpenLayers.Popup.FramedCloud("popup", marker.lonlat, null, + description, marker.icon, true); popup.setBackgroundColor("#E3FFC5"); map.addPopup(popup); @@ -94,51 +199,75 @@ function removeMarkerFromMap(marker){ markers.removeMarker(marker); } -function getMapLayers() { - var layers = ""; +function removeBoxFromMap(box){ + vectors.removeFeature(box); +} - for (var i=0; i< this.map.layers.length; i++) { - var layer = this.map.layers[i]; +function getMapCenter() { + return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326); +} - if (layer.isBaseLayer) { - layers += (layer == this.map.baseLayer) ? "B" : "0"; - } else { - layers += (layer.getVisibility()) ? "T" : "F"; - } - } +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); +} - return layers; +function setMapExtent(extent) { + map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); } -function setMapLayers(layers) { - for (var i=0; i < layers.length; i++) { - var layer = map.layers[i]; - var c = layers.charAt(i); +function getMapExtent() { + return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); +} - if (c == "B") { - map.setBaseLayer(layer); - } else if ( (c == "T") || (c == "F") ) { - layer.setVisibility(c == "T"); - } - } +function getMapZoom() { + return map.getZoom(); } -function mercatorToLonLat(merc) { - var lon = (merc.lon / 20037508.34) * 180; - var lat = (merc.lat / 20037508.34) * 180; +function getEventPosition(event) { + return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326); +} - lat = 180/Math.PI * (2 * Math.atan(Math.exp(lat * Math.PI / 180)) - Math.PI / 2); +function getMapLayers() { + var layerConfig = ""; - return new OpenLayers.LonLat(lon, lat); + 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 lonLatToMercator(ll) { - var lon = ll.lon * 20037508.34 / 180; - var lat = Math.log(Math.tan((90 + ll.lat) * Math.PI / 360)) / (Math.PI / 180); +function setMapLayers(layerConfig) { + if (layerConfig.charAt(0) == "B" || layerConfig.charAt(0) == "0") { + var l = 0; - lat = lat * 20037508.34 / 180; + for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) { + var c = layerConfig.charAt(l++); - return new OpenLayers.LonLat(lon, lat); + if (c == "B") { + map.setBaseLayer(layers[i]); + } + } + } 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 { + map.layers[i].setVisibility(false); + } + } + } + } } function scaleToZoom(scale) {