Use prototype based event handling for consistency

[rails.git] / app / views / site / index.html.erb

diff --git a/app/views/site/index.html.erb b/app/views/site/index.html.erb
index 40a7a3fbca52e085932194a983ba3ee4ef383e03..9d883daf90c6b0f84757c6a5150ed646c16d337c 100644 (file)
--- a/app/views/site/index.html.erb
+++ b/app/views/site/index.html.erb
@@ -17,11 +17,15 @@
 </noscript>
 
 <div id="map">
-  <div id="permalink">
-    <a href="/" id="permalinkanchor"><%= t 'site.index.permalink' %></a><br/>
-    <a href="/" id="shortlinkanchor"><%= t 'site.index.shortlink' %></a>
-  </div>
-</div> 
+</div>
+
+<iframe id="linkloader" style="display: none">
+</iframe>
+
+<div id="permalink">
+  <a href="/" id="permalinkanchor"><%= t 'site.index.permalink' %></a><br/>
+  <a href="/" id="shortlinkanchor"><%= t 'site.index.shortlink' %></a>
+</div>
 
 <div id="attribution">
   <table width="100%">
@@ -40,7 +44,7 @@
 </div>
 
 <%
-if params['mlon'] and params['mlat'] 
+if params['mlon'] and params['mlat']
     marker = true
     mlon = h(params['mlon'])
     mlat = h(params['mlat'])
@@ -68,7 +72,7 @@ if params['minlon'] and params['minlat'] and params['maxlon'] and params['maxlat
     minlat = h(params['minlat'])
     maxlon = h(params['maxlon'])
     maxlat = h(params['maxlat'])
-    box = true if params['box']=="yes" 
+    box = true if params['box']=="yes"
     object_zoom = false
 end
 
@@ -80,14 +84,14 @@ if params['lon'] and params['lat']
     layers = h(params['layers'])
     object_zoom = false
 elsif params['mlon'] and params['mlat']
-    lon = h(params['mlon']) 
+    lon = h(params['mlon'])
     lat = h(params['mlat'])
     zoom =  h(params['zoom'] || '12')
     layers = h(params['layers'])
     object_zoom = false
 elsif cookies.key?("_osm_location")
     lon,lat,zoom,layers = cookies["_osm_location"].split("|")
-elsif @user and !@user.home_lon.nil? and !@user.home_lat.nil? 
+elsif @user and !@user.home_lon.nil? and !@user.home_lat.nil?
     lon =  @user.home_lon
     lat =  @user.home_lat
     zoom = '10'
@@ -101,12 +105,12 @@ else
         maxlon = session[:location][:maxlon]
         maxlat = session[:location][:maxlat]
     else
-        lon =  '-0.1' 
-        lat =  '51.5' 
-        zoom =  h(params['zoom'] || '5') 
+        lon =  '-0.1'
+        lat =  '51.5'
+        zoom =  h(params['zoom'] || '5')
     end
 
-    layers = h(params['layers']) 
+    layers = h(params['layers'])
 end
 %>
 
@@ -125,7 +129,7 @@ end
   function mapInit(){
     map = createMap("map");
 
-    <% unless OSM_STATUS == :api_offline or OSM_STATUS == :database_offline %>
+    <% unless STATUS == :api_offline or STATUS == :database_offline %>
       map.dataLayer = new OpenLayers.Layer("<%= I18n.t 'browse.start_rjs.data_layer_name' %>", { "visibility": false });
       map.dataLayer.events.register("visibilitychanged", map.dataLayer, toggleData);
       map.addLayer(map.dataLayer);
@@ -170,7 +174,8 @@ end
         url += "/full";
       <% end %>
 
-      addObjectToMap(url, <%= object_zoom %>);
+      // IE requires Vector layers be initialised on page load, and not under deferred script conditions
+      Event.observe(window, 'load', function() { addObjectToMap(url, <%= object_zoom %>) });
     <% end %>
 
     map.events.register("moveend", map, updateLocation);
@@ -182,7 +187,7 @@ end
   function toggleData() {
     if (map.dataLayer.visibility) {
       <%= remote_function :url => { :controller => 'browse', :action => 'start' } %>
-    } else {
+    } else if (map.dataLayer.active) {
       closeSidebar();
     }
   }
@@ -191,10 +196,20 @@ end
     return getMapCenter();
   }
 
-  function setPosition(lat, lon, zoom) {
+  function getZoom() {
+    return getMapZoom();
+  }
+
+  function setPosition(lat, lon, zoom, min_lon, min_lat, max_lon, max_lat) {
     var centre = new OpenLayers.LonLat(lon, lat);
 
-    setMapCenter(centre, zoom);
+    if (min_lon && min_lat && max_lon && max_lat) {
+      var bbox = new OpenLayers.Bounds(min_lon, min_lat, max_lon, max_lat);
+
+      setMapExtent(bbox);
+    } else {
+      setMapCenter(centre, zoom);
+    }
 
     if (marker)
       removeMarkerFromMap(marker);
@@ -218,7 +233,7 @@ end
 
     updatelinks(lonlat.lon, lonlat.lat, zoom, layers, extents.left, extents.bottom, extents.right, extents.top, objtype, objid);
 
-    expiry.setYear(expiry.getFullYear() + 10); 
+    expiry.setYear(expiry.getFullYear() + 10);
     document.cookie = "_osm_location=" + lonlat.lon + "|" + lonlat.lat + "|" + zoom + "|" + layers + "; expires=" + expiry.toGMTString();
   }
 
@@ -230,7 +245,7 @@ end
     content.style.width = document.documentElement.clientWidth - content.offsetLeft - rightMargin;
     content.style.height = document.documentElement.clientHeight - content.offsetTop - bottomMargin;
   }
-  
+
   function resizeMap() {
     var centre = map.getCenter();
     var zoom = map.getZoom();
@@ -254,11 +269,38 @@ end
 
     resizeMap();
   }
-  
+
+  function josmEditHandler(event) {
+    var extent = getMapExtent();
+    var loaded = false;
+
+    $("linkloader").observe("load", function () { loaded = true; });
+    $("linkloader").src = "http://127.0.0.1:8111/load_and_zoom?left=" + extent.left + "&top=" + extent.top + "&right=" + extent.right + "&bottom=" + extent.bottom;
+
+    setTimeout(function () {
+      if (!loaded) alert("<%= t('site.index.josm_failed') %>");
+    }, 1000);
+
+    event.stop();
+  }
+
+  function installEditHandler() {
+    $("josmanchor").observe("click", josmEditHandler);
+
+    <% if preferred_editor == "josm" %>
+      $("editanchor").observe("click", josmEditHandler);
+
+      <% if params[:action] == "edit" %>
+        josmEditHandler();
+      <% end %>
+    <% end %>
+  }
+
   mapInit();
 
-  window.onload = handleResize;
-  window.onresize = handleResize;
+  Event.observe(window, "load", installEditHandler);
+  Event.observe(window, "load", handleResize);
+  Event.observe(window, "resize", handleResize);
 
   <% if params['action'] == 'export' %>
   <%= remote_function :url => { :controller => 'export', :action => 'start' } %>