X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/fdd5d2d7791f9138c339c9f18bcaa8946bd18d0c..586d7befce4afd782ce0b036f0dfd99c9ede22b6:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index a52cd0a70..f79e3ae31 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -14,7 +14,7 @@ var nonamekeys = { }; OpenLayers._getScriptLocation = function () { - // Should really have this file as an erb, so that this can return + // Should really have this file as an erb, so that this can return // the real rails root return "/openlayers/"; } @@ -57,9 +57,9 @@ function createMap(divName, options) { 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/" + "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, @@ -74,6 +74,7 @@ function createMap(divName, options) { map.addLayer(maplint); var numZoomLevels = Math.max(mapnik.numZoomLevels, osmarender.numZoomLevels); + markers = new OpenLayers.Layer.Markers("Markers", { displayInLayerSwitcher: false, numZoomLevels: numZoomLevels, @@ -83,17 +84,6 @@ function createMap(divName, options) { projection: "EPSG:900913" }); map.addLayer(markers); - - vectors = new OpenLayers.Layer.Vector("Vectors", { - displayInLayerSwitcher: false, - numZoomLevels: numZoomLevels, - maxExtent: new OpenLayers.Bounds(-20037508,-20037508,20037508,20037508), - maxResolution: 156543, - units: "m", - projection: "EPSG:900913" - }); - map.addLayer(vectors); - return map; } @@ -118,16 +108,67 @@ function addMarkerToMap(position, icon, description) { return marker; } -function addBoxToMap(boxbounds) { - box = new OpenLayers.Feature.Vector( - boxbounds.toGeometry().transform(new OpenLayers.Projection("EPSG:4326"), map.getProjectionObject()) ); - - box.style = { - 'strokeWidth': 3, - 'strokeColor': '#0000ff', - 'fillOpacity': 0, - }; +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; }