X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c25a20ff133d0ff9c865ac2cbc0076544cb4f16b..c192b950213ceeab7e5d28019f3a702ed464be7a:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index 9f9be0987..4af30f2a1 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,25 +1,39 @@ var epsg4326 = new OpenLayers.Projection("EPSG:4326"); var map; var markers; +var vectors; var popup; +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/"; } -function createMap(divName) { +function createMap(divName, options) { + options = options || {}; + map = new OpenLayers.Map(divName, { - controls: [ + 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() + new OpenLayers.Control.PanZoomBar() ], units: "m", - maxResolution: 156543, - numZoomLevels: 20 + maxResolution: 156543.0339, + numZoomLevels: 20, + displayProjection: new OpenLayers.Projection("EPSG:4326") }); var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { @@ -40,6 +54,18 @@ function createMap(divName) { }); map.addLayer(cyclemap); + var nonamekey = nonamekeys[document.domain]; + var noname = new OpenLayers.Layer.OSM("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 + }); + map.addLayer(noname); + var maplint = new OpenLayers.Layer.OSM.Maplint("Maplint", { displayOutsideMaxExtent: true, wrapDateLine: true @@ -47,6 +73,7 @@ function createMap(divName) { map.addLayer(maplint); var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels); + markers = new OpenLayers.Layer.Markers("Markers", { displayInLayerSwitcher: false, numZoomLevels: numZoomLevels, @@ -80,6 +107,70 @@ function addMarkerToMap(position, icon, description) { return marker; } +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) { + 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(); @@ -103,11 +194,18 @@ function removeMarkerFromMap(marker){ markers.removeMarker(marker); } +function removeBoxFromMap(box){ + vectors.removeFeature(box); +} + function getMapCenter(center, zoom) { return map.getCenter().clone().transform(map.getProjectionObject(), epsg4326); } 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); } @@ -115,7 +213,7 @@ function setMapExtent(extent) { map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); } -function getMapExtent(extent) { +function getMapExtent() { return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); }