openstreetmap-website/public/javascripts/site.js

77 lines
1.8 KiB
JavaScript

function updatelinks(lon,lat,zoom,layers) {
var node;
node = document.getElementById("viewanchor");
if (node) {
var args = getArgs(node.href);
args["lat"] = lat;
args["lon"] = lon;
args["zoom"] = zoom;
args["layers"] = layers;
node.href = setArgs(node.href, args);
}
node = document.getElementById("editanchor");
if (node) {
if (zoom >= 11) {
var args = new Object();
args.lat = lat;
args.lon = lon;
args.zoom = zoom;
node.href = setArgs("/edit.html", args);
node.style.fontStyle = 'normal';
} else {
node.href = 'javascript:alert("zoom in to edit map");';
node.style.fontStyle = 'italic';
}
}
}
function getArgs(url) {
var args = new Object();
var querystart = url.indexOf("?");
if (querystart >= 0) {
var querystring = url.substring(querystart + 1);
var queryitems = querystring.split("&");
for (var i = 0; i < queryitems.length; i++) {
if (match = queryitems[i].match(/^(.*)=(.*)$/)) {
args[unescape(match[1])] = unescape(match[2]);
} else {
args[unescape(queryitems[i])] = null
}
}
}
return args;
}
function setArgs(url, args) {
var queryitems = new Array();
for (arg in args)
{
if (args[arg] == null) {
queryitems.push(escape(arg));
} else {
queryitems.push(escape(arg) + "=" + escape(args[arg]));
}
}
return url.replace(/\?.*$/, "") + "?" + queryitems.join("&");
}
function getStyle(el, property) {
var style;
if (el.currentStyle) {
style = el.currentStyle[property];
} else if( window.getComputedStyle ) {
style = document.defaultView.getComputedStyle(el,null).getPropertyValue(property);
} else {
style = el.style[property];
}
return style;
}