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Remember which layers are active in the cookie and URLs.

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This commit is contained in:
Tom Hughes 2007-07-29 14:06:04 +00:00
parent 04488fec2c
commit 9634ab8fc1
3 changed files with 47 additions and 9 deletions
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15
app/views/site/index.rhtml
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@ -10,12 +10,14 @@
<% lon = params['lon'] %>
<% lat = params['lat'] %>
<% zoom = params['zoom'] || '5' %>
<% layers = params['layers'] %>
<% elsif params['mlon'] and params['mlat'] %>
<% lon = params['mlon'] %>
<% lat = params['mlat'] %>
<% zoom = params['zoom'] || '12' %>
<% layers = params['layers'] %>
<% elsif cookies.key?("location") %>
<% lon,lat,zoom = cookies["location"].value.first.split(",") %>
<% lon,lat,zoom,layers = cookies["location"].value.first.split(",") %>
<% elsif @user and !@user.home_lon.nil? and !@user.home_lat.nil? %>
<% lon = @user.home_lon %>
<% lat = @user.home_lat %>
@ -24,6 +26,7 @@
<% lon = '-0.1' %>
<% lat = '51.5' %>
<% zoom = params['zoom'] || '5' %>
<% layers = params['layers'] %>
<% end %>
<script type="text/javascript" src="/openlayers/OpenLayers.js"></script>
@ -42,6 +45,7 @@
function init(){
var centre = lonLatToMercator(new OpenLayers.LonLat(<%= lon %>, <%= lat %>));
var zoom = <%= zoom %>;
var layers = "<%= layers %>";
<% if params['scale'] and params['scale'].length > 0 then %>
zoom = scaleToZoom(<%= params['scale'].to_f() %>);
@ -53,6 +57,10 @@
addMarkerToMap(lonLatToMercator(new OpenLayers.LonLat(<%= mlon %>, <%= mlat %>)));
<% end %>
<% if layers %>
setMapLayers(layers);
<% end %>
map.events.register("moveend", map, updateLocation);
updateLocation();
@ -73,10 +81,11 @@
function updateLocation() {
var lonlat = mercatorToLonLat(map.getCenter());
var zoom = map.getZoom();
var layers = getMapLayers();
updatelinks(lonlat.lon, lonlat.lat, zoom);
updatelinks(lonlat.lon, lonlat.lat, zoom, layers);
document.cookie = "location=" + lonlat.lon + "," + lonlat.lat + "," + zoom;
document.cookie = "location=" + lonlat.lon + "," + lonlat.lat + "," + zoom + "," + layers;
}
function getStyle( el, property ) {