Use a cookie to remember the last location viewed on the slippy map.

[rails.git] / app / views / site / index.rhtml

diff --git a/app/views/site/index.rhtml b/app/views/site/index.rhtml
index 4b187c09945b49f29cc0287bde715a8fd7cfa134..aa808085f94af38170da2ae1b80abfaed0f6614c 100644 (file)
--- a/app/views/site/index.rhtml
+++ b/app/views/site/index.rhtml
@@ -4,17 +4,26 @@
 <% marker = true %>
 <% mlon = params['mlon'] %> 
 <% mlat = params['mlat'] %>
-<% lon =  params['mlon'] %>
-<% lat =  params['mlat']  %>
+<% end %>
+
+<% if params['lon'] and params['lat'] %>
+<% lon =  params['lon'] %>
+<% lat =  params['lat'] %>
+<% zoom =  params['zoom'] || '5' %>
+<% elsif params['mlon'] and params['mlat'] %>
+<% lon = params['mlon'] %> 
+<% lat = params['mlat'] %>
 <% zoom =  params['zoom'] || '12' %>
-<% elsif @user and params['lon'].nil? and params['lat'].nil? %> 
+<% elsif cookies.key?("location") %>
+<% lon,lat,zoom = 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 %>
 <% zoom = '10' %>
-<%else%>
-<% lon =  params['lon'] || '-0.1' %>
-<% lat =  params['lat'] || '51.5' %>
-<% zoom =  params['zoom'] || '4' %>
+<% else %>
+<% lon =  '-0.1' %>
+<% lat =  '51.5' %>
+<% zoom =  params['zoom'] || '5' %>
 <% end %>
 
 <script type="text/javascript" src="/openlayers/OpenLayers.js"></script>
@@ -27,7 +36,7 @@
 
 <script type="text/javascript">
   <!--
-  var ie6 = ! ( window.addEventListener || window.XMLHttpRequest );
+  var ie = navigator.appName.indexOf("Microsoft Internet Explorer") != -1;
   var map;
 
   function init(){
@@ -56,7 +65,7 @@
     <% end %>
 
     document.getElementById('map_OpenLayers_ViewPort').style.position = 'absolute';
-    if ( ie6 ) {
+    if ( ie ) {
       handleResize();
     }
   }        
@@ -66,6 +75,8 @@
     var zoom = map.getZoom();
 
     updatelinks(lonlat.lon, lonlat.lat, zoom);
+
+    document.cookie = "location=" + lonlat.lon + "," + lonlat.lat + "," + zoom;
   }
 
   function getStyle( el, property ) {
@@ -87,6 +98,7 @@
     var bottom = getStyle( el, 'bottom' );
     var right = getStyle( el, 'right' );
     var width = el.old_width;
+    var height;
     if( ! width ) {
         width = getStyle( el, 'width' );
     }
@@ -98,7 +110,7 @@
     if( el.offsetParent.nodeName == 'BODY' || el.offsetParent.nodeName == 'HTML' ) {
       if( typeof( window.innerWidth ) == 'number' ) {
           pwidth = window.innerWidth;
-          height = window.innerHeight;
+          pheight = window.innerHeight;
       } else if( document.documentElement &&
           ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
           pwidth = document.documentElement.clientWidth;
@@ -123,12 +135,10 @@
     }
     map.updateSize();
     el.style.display = 'none';
-    setTimeout( function() {
-        el.style.display = '';
-        }, 200 );
+    setTimeout( function() { el.style.display = ''; }, 200 );
   }
 
-  if ( ie6 ) {
+  if ( ie ) {
     window.onresize = handleResize;
   }