+ var brokenContentSize = $("content").offsetWidth == 0;
+ var marker;
+ var map;
+
+ function init(){
+ map = createMap("map");
+
+ <% if bbox %>
+ var min = lonLatToMercator(new OpenLayers.LonLat(<%= minlon %>, <%= minlat %>));
+ var max = lonLatToMercator(new OpenLayers.LonLat(<%= maxlon %>, <%= maxlat %>));
+ var bbox = new OpenLayers.Bounds(min.lon, min.lat, max.lon, max.lat);
+
+ map.zoomToExtent(bbox);
+ <% else %>
+ var centre = lonLatToMercator(new OpenLayers.LonLat(<%= lon %>, <%= lat %>));
+ var zoom = <%= zoom %>;
+
+ <% if params['scale'] and params['scale'].length > 0 then %>
+ zoom = scaleToZoom(<%= params['scale'].to_f() %>);
+ <% end %>
+
+ map.setCenter(centre, zoom);
+ <% end %>
+
+ <% if layers %>
+ setMapLayers("<%= layers %>");
+ <% end %>
+
+ <% if marker %>
+ marker = addMarkerToMap(lonLatToMercator(new OpenLayers.LonLat(<%= mlon %>, <%= mlat %>)));
+ <% end %>
+
+ map.events.register("zoomend", map, updateKey);
+
+ map.events.register("moveend", map, updateLocation);
+ map.events.register("changelayer", map, updateLocation);
+ map.events.register("click", map, mapClick);
+ updateLocation();
+
+ handleResize();
+ }
+
+ // Map click results in feature lookup
+ function mapClick(e) {
+ var pos = lonLatToNonSphericalMercator
+ (mercatorToLonLat
+ (map.getLonLatFromViewPortPx
+ ( map.events.getMousePosition(e))));
+
+ // put in the freemap url for the moment. this will be replaced
+ // by a ruby equivalent.
+ /*
+ url= 'http://www.free-map.org.uk/freemap/common/osmlookup.php?'+
+ 'action=get&x='+pos.lon+'&y='+pos.lat;
+
+ OpenLayers.loadURL(url,/null, null,osmLookupCallback);
+ */
+ }
+
+ // the feature lookup finds the nearest POI node, or, if no node could
+ // be found, the nearest way
+ /*
+ function osmLookupCallback (xmlHTTP) {
+ var nodes = xmlHTTP.responseXML.getElementsByTagName('node');
+ var ways = xmlHTTP.responseXML.getElementsByTagName('way');
+ var features = (ways.length==1) ? ways:nodes;
+
+ if(features.length==1) {
+ var osm_id = features[0].getElementsByTagName('osm_id')[0].
+ firstChild.nodeValue;
+ var name =
+ (xmlHTTP.responseXML.getElementsByTagName('name').length>0) ?
+ xmlHTTP.responseXML.getElementsByTagName('name')[0].
+ firstChild.nodeValue: "";
+
+
+ if(this.osm_type=='way' && ways.length==1) {
+ // use openlayers vector layer to highlight way for editing?
+ }
+
+ var description="";
+ var wikipedia="";
+ var ad=false;
+
+ if(xmlHTTP.responseXML.getElementsByTagName('description').length){
+ osmdesc=
+ xmlHTTP.responseXML.getElementsByTagName('description')[0].
+ firstChild.nodeValue;
+
+ description += "<p>"+osmdesc+"</p>";
+ }
+ }
+ }
+ */
+
+ function getPosition() {
+ return mercatorToLonLat(map.getCenter());
+ }
+
+ function setPosition(lat, lon, zoom) {
+ var centre = lonLatToMercator(new OpenLayers.LonLat(lon, lat));
+
+ map.setCenter(centre, zoom);
+
+ if (marker)
+ removeMarkerFromMap(marker);
+
+ marker = addMarkerToMap(centre, getArrowIcon());
+ }
+
+ function updateLocation() {
+ var lonlat = mercatorToLonLat(map.getCenter());
+ var zoom = map.getZoom();
+ var layers = getMapLayers();
+
+ updatelinks(lonlat.lon, lonlat.lat, zoom, layers);
+
+ document.cookie = "location=" + lonlat.lon + "," + lonlat.lat + "," + zoom + "," + layers;
+ }
+
+ function resizeContent() {
+ var content = $("content");
+ var rightMargin = parseInt(getStyle(content, "right"));
+ var bottomMargin = parseInt(getStyle(content, "bottom"));
+
+ content.style.width = document.documentElement.clientWidth - content.offsetLeft - rightMargin;
+ content.style.height = document.documentElement.clientHeight - content.offsetTop - bottomMargin;
+ }
+
+ function resizeMap() {
+ var centre = map.getCenter();
+ var zoom = map.getZoom();
+ var sidebar_width = $("sidebar").offsetWidth;
+
+ if (sidebar_width > 0) {
+ sidebar_width = sidebar_width + 5
+ }
+
+ $("map").style.left = (sidebar_width) + "px";
+ $("map").style.width = ($("content").offsetWidth - sidebar_width) + "px";
+ $("map").style.height = ($("content").offsetHeight - 2) + "px";
+
+ map.setCenter(centre, zoom);
+ }
+
+ function handleResize() {
+ if (brokenContentSize) {
+ resizeContent();
+ }
+
+ resizeMap();
+ }
+
+ window.onresize = handleResize;
+ window.onload = init;
+// -->
+</script>