-function updatelinks(lon,lat,zoom,layers) {
+//Called as the user scrolls/zooms around.
+//Maniplate hrefs of the view tab and various other links
+function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat) {
var decimals = Math.pow(10, Math.floor(zoom/3));
var node;
node = document.getElementById("editanchor");
if (node) {
- if (zoom >= 11) {
+ if (zoom >= 13) {
var args = new Object();
args.lat = lat;
args.lon = lon;
node.style.fontStyle = 'italic';
}
}
+
+ node = document.getElementById("historyanchor");
+ if (node) {
+ if (zoom >= 11) {
+ var args = new Object();
+ //set bbox param from 'extents' object
+ if (typeof minlon == "number" &&
+ typeof minlat == "number" &&
+ typeof maxlon == "number" &&
+ typeof maxlat == "number") {
+
+ minlon = Math.round(minlon * decimals) / decimals;
+ minlat = Math.round(minlat * decimals) / decimals;
+ maxlon = Math.round(maxlon * decimals) / decimals;
+ maxlat = Math.round(maxlat * decimals) / decimals;
+ args.bbox = minlon + "," + minlat + "," + maxlon + "," + maxlat;
+ }
+
+ node.href = setArgs("/history", args);
+ node.style.fontStyle = 'normal';
+ } else {
+ node.href = 'javascript:alert("zoom in to see editing history");';
+ node.style.fontStyle = 'italic';
+ }
+ }
}
function getArgs(url) {