X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/721dd9c27d299455b9159457a095716f797389f1..1a8b39a5476dd5d2e2b84f1cca8603cf7259f3e2:/public/javascripts/map.js?ds=sidebyside diff --git a/public/javascripts/map.js b/public/javascripts/map.js index fcf34336f..58950a1ff 100644 --- a/public/javascripts/map.js +++ b/public/javascripts/map.js @@ -1,6 +1,7 @@ var epsg4326 = new OpenLayers.Projection("EPSG:4326"); var map; var markers; +var vectors; var popup; var nonamekeys = { @@ -12,12 +13,6 @@ var nonamekeys = { '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, options) { options = options || {}; @@ -27,8 +22,9 @@ function createMap(divName, options) { new OpenLayers.Control.Attribution(), new OpenLayers.Control.LayerSwitcher(), new OpenLayers.Control.Navigation(), + new OpenLayers.Control.PanZoom(), new OpenLayers.Control.PanZoomBar(), - new OpenLayers.Control.ScaleLine() + new OpenLayers.Control.ScaleLine({geodesic: true}) ], units: "m", maxResolution: 156543.0339, @@ -36,43 +32,45 @@ function createMap(divName, options) { displayProjection: new OpenLayers.Projection("EPSG:4326") }); - var mapnik = new OpenLayers.Layer.OSM.Mapnik("Mapnik", { + var mapnik = new OpenLayers.Layer.OSM.Mapnik(i18n("javascripts.map.base.mapnik"), { + keyid: "mapnik", displayOutsideMaxExtent: true, - wrapDateLine: true + wrapDateLine: true, + layerCode: "M" }); map.addLayer(mapnik); - var osmarender = new OpenLayers.Layer.OSM.Osmarender("Osmarender", { + var osmarender = new OpenLayers.Layer.OSM.Osmarender(i18n("javascripts.map.base.osmarender"), { + keyid: "osmarender", displayOutsideMaxExtent: true, - wrapDateLine: true + wrapDateLine: true, + layerCode: "O" }); map.addLayer(osmarender); - var cyclemap = new OpenLayers.Layer.OSM.CycleMap("Cycle Map", { + var cyclemap = new OpenLayers.Layer.OSM.CycleMap(i18n("javascripts.map.base.cycle_map"), { + keyid: "cyclemap", displayOutsideMaxExtent: true, - wrapDateLine: true + wrapDateLine: true, + layerCode: "C" }); 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/" + 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 + numZoomLevels: 19, + layerCode: "N" }); 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, @@ -100,19 +98,91 @@ function addMarkerToMap(position, icon, description) { markers.addMarker(marker); 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 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, 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 = new OpenLayers.Geometry.LineString(vertices).transform(epsg4326, map.getProjectionObject()); + } else { + geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject()); + } + 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.AnchoredBubble("popup", marker.lonlat, null, - description, marker.icon, true); + popup = new OpenLayers.Popup.FramedCloud("popup", marker.lonlat, null, + description, marker.icon, true); popup.setBackgroundColor("#E3FFC5"); - popup.autoSize = true; map.addPopup(popup); return popup; @@ -129,11 +199,16 @@ function removeMarkerFromMap(marker){ markers.removeMarker(marker); } -function getMapCenter(center, zoom) { +function removeBoxFromMap(box){ + vectors.removeFeature(box); +} + +function getMapCenter() { 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); @@ -143,10 +218,14 @@ function setMapExtent(extent) { map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); } -function getMapExtent(extent) { +function getMapExtent() { return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); } +function getMapZoom() { + return map.getZoom(); +} + function getEventPosition(event) { return map.getLonLatFromViewPortPx(event.xy).clone().transform(map.getProjectionObject(), epsg4326); } @@ -154,39 +233,41 @@ function getEventPosition(event) { function getMapLayers() { var layerConfig = ""; - for (var layers = map.getLayersBy("isBaseLayer", true), i = 0; i < layers.length; i++) { - layerConfig += layers[i] == map.baseLayer ? "B" : "0"; - } - - for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) { - layerConfig += layers[i].getVisibility() ? "T" : "F"; + 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) { - var l = 0; + 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++); + 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]); + if (c == "B") { + map.setBaseLayer(layers[i]); + } else { + map.layers[i].setVisibility(false); + } } - } - - while (layerConfig.charAt(l) == "B" || layerConfig.charAt(l) == "0") { - l++; - } - - for (var layers = map.getLayersBy("isBaseLayer", false), i = 0; i < layers.length; i++) { - var c = layerConfig.charAt(l++); - - if (c == "T") { - layers[i].setVisibility(true); - } else if(c == "F") { - 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 { + map.layers[i].setVisibility(false); + } + } } } }