X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/554614723a94ca05ae8dc3a23fa7a8fa8419ff08..7daa4f5d2bf9ad43f4e415a4f0b3f208fa414ffe:/public/javascripts/map.js diff --git a/public/javascripts/map.js b/public/javascripts/map.js index c80ed2242..71edee56c 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 = { @@ -13,6 +14,8 @@ var nonamekeys = { }; OpenLayers._getScriptLocation = function () { + // Should really have this file as an erb, so that this can return + // the real rails root return "/openlayers/"; } @@ -80,6 +83,17 @@ 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; } @@ -104,6 +118,19 @@ function addMarkerToMap(position, icon, description) { return marker; } +function addBoxToMap(boxbounds) { + var geometry = boxbounds.toGeometry().transform(epsg4326, map.getProjectionObject()); + var box = new OpenLayers.Feature.Vector(geometry, {}, { + strokeWidth: 3, + strokeColor: '#0000ff', + fillOpacity: 0, + }); + + vectors.addFeatures(box); + + return box; +} + function openMapPopup(marker, description) { closeMapPopup(); @@ -127,11 +154,16 @@ 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); @@ -141,7 +173,7 @@ function setMapExtent(extent) { map.zoomToExtent(extent.clone().transform(epsg4326, map.getProjectionObject())); } -function getMapExtent(extent) { +function getMapExtent() { return map.getExtent().clone().transform(map.getProjectionObject(), epsg4326); }