cst1/openstreetmap-website
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Be a bit more intelligent when trying to update the arguments on a link.

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This commit is contained in:
Tom Hughes 2007-06-12 16:16:49 +00:00
parent 945e4ddcc8
commit c99992f85f
2 changed files with 47 additions and 4 deletions
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4
app/views/layouts/site.rhtml
View file

@ -25,8 +25,8 @@
<span id="greeting">
<% if @user %>
Welcome, <%= link_to @user.display_name, {:controller => 'user', :action => 'view', :display_name => @user.display_name}, {:id => 'loginanchor'}%> |
<%= link_to 'logout', {:controller => 'user', :action => 'logout', :referer => request.request_uri}, {:id => 'loginanchor'}%>
Welcome, <%= link_to @user.display_name, {:controller => 'user', :action => 'view', :display_name => @user.display_name}%> |
<%= link_to 'logout', {:controller => 'user', :action => 'logout', :referer => request.request_uri}, {:id => 'logoutanchor'}%>
<% else %>
<%= link_to 'log in', {:controller => 'user', :action => 'login', :referer => request.request_uri}, {:id => 'loginanchor'}%> |
<%= link_to 'sign up', {:controller => 'user', :action => 'new'}, {:id => 'registeranchor'} %>

47
public/javascripts/site.js
View file

@ -12,13 +12,21 @@ function updatelinks(lon,lat,zoom) {
for (anchor in links) {
node = document.getElementById(anchor);
if (! node) { continue; }
node.href = links[anchor] + "?lat=" + lat + "&lon=" + lon + "&zoom=" + zoom;
var args = getArgs(node.href);
args["lat"] = lat;
args["lon"] = lon;
args["zoom"] = zoom;
node.href = setArgs(node.href, args);
}
node = document.getElementById("editanchor");
if (node) {
if ( zoom >= 14) {
node.href = '/edit.html?lat=' + lat + '&lon=' + lon + "&zoom=" + zoom;
var args = getArgs(node.href);
args.lat = lat;
args.lon = lon;
args.zoom = zoom;
node.href = setArgs(node.href, args);
node.style.fontStyle = 'normal';
} else {
node.href = 'javascript:alert("zoom in to edit map");';
@ -26,3 +34,38 @@ function updatelinks(lon,lat,zoom) {
}
}
}
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("&");
}