Refactor calculation of zoom level based on a scale

[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 8d0864f01329055db8fae49782d1831922318169..6cff7f133fa674700f1bd117c53b3ebf665f5de6 100644 (file)
--- a/app/views/site/index.html.erb
+++ b/app/views/site/index.html.erb
@@ -1,7 +1,7 @@
-<% content_for :greeting do %>
 <% if @user and !@user.home_lon.nil? and !@user.home_lat.nil? %>
-  <%= link_to_function t('layouts.home'), "setPosition(#{@user.home_lat}, #{@user.home_lon}, 15)", { :title => t('layouts.home_tooltip') } %> |
-<% end %>
+  <% content_for :greeting do %>
+    <%= link_to_function t('layouts.home'), "setPosition(#{@user.home_lat}, #{@user.home_lon}, 15)", { :title => t('layouts.home_tooltip') } %> |
+  <% end %>
 <% end %>
 
 <%= render :partial => 'sidebar', :locals => { :onopen => "resizeMap();", :onclose => "resizeMap();" } %>
@@ -18,7 +18,7 @@
 
 <div id="map">
   <div id="permalink">
-    <a href="/" id="permalinkanchor" class="geolink llz layers object"><%= t 'site.index.permalink' %></a><br/>
+    <a href="/" id="permalinkanchor" class="geolink llz layers object"><%= t 'site.index.permalink' %></a>
     <a href="/" id="shortlinkanchor"><%= t 'site.index.shortlink' %></a>
   </div>
 </div>
@@ -120,8 +120,7 @@ else
 end
 %>
 
-<%= javascript_include_tag '/openlayers/OpenLayers.js' %>
-<%= javascript_include_tag '/openlayers/OpenStreetMap.js' %>
+<%= javascript_include_tag 'openlayers.js' %>
 <%= javascript_include_tag 'map.js' %>
 
 <%= render :partial => 'resize' %>
@@ -145,23 +144,21 @@ end
       <% if bbox %>
         var bbox = new OpenLayers.Bounds(<%= minlon %>, <%= minlat %>, <%= maxlon %>, <%= maxlat %>);
 
-        setMapExtent(bbox);
+        map.setExtent(proj(bbox));
 
         <% if box %>
-          Event.observe(window, "load", function() { addBoxToMap(bbox) });
+          $(window).load(function() { addBoxToMap(bbox) });
         <% end %>
       <% else %>
         var centre = new OpenLayers.LonLat(<%= lon %>, <%= lat %>);
+        <% if params[:scale].to_f > 0 then -%>
+        var zoom = <%= scale_to_zoom params[:scale] %>;
+        <% else -%>
         var zoom = <%= zoom %>;
-
-        <% if params[:scale] and params[:scale].length > 0 then %>
-          zoom = scaleToZoom(<%= params[:scale].to_f %>);
-        <% end %>
+        <% end -%>
 
         setMapCenter(centre, zoom);
       <% end %>
-
-      updateLocation();
     <% end %>
 
     <% if !layers.nil? and !layers.empty? %>
@@ -179,53 +176,47 @@ end
         url += "/full";
       <% end %>
 
-      Event.observe(window, "load", function() { addObjectToMap(url, <%= object_zoom %>) });
+      $(window).load(function() { addObjectToMap(url, <%= object_zoom %>) });
     <% end %>
 
     map.events.register("moveend", map, updateLocation);
     map.events.register("changelayer", map, updateLocation);
 
+    updateLocation();
     handleResize();
   }
 
   function toggleData() {
     if (map.dataLayer.visibility) {
-      <%= remote_function :url => { :controller => 'browse', :action => 'start' } %>
+      $.ajax({ url: "<%= url_for :controller => :browse, :action => :start %>" });
     } else if (map.dataLayer.active) {
       closeSidebar();
     }
   }
 
-  function getPosition() {
-    return getMapCenter();
-  }
-
-  function getZoom() {
-    return getMapZoom();
-  }
-
   function setPosition(lat, lon, zoom, min_lon, min_lat, max_lon, max_lat) {
     var centre = new OpenLayers.LonLat(lon, lat);
 
     if (min_lon && min_lat && max_lon && max_lat) {
       var bbox = new OpenLayers.Bounds(min_lon, min_lat, max_lon, max_lat);
 
-      setMapExtent(bbox);
+      map.setExtent(proj(bbox));
     } else {
       setMapCenter(centre, zoom);
     }
 
-    if (marker)
+    if (marker) {
       removeMarkerFromMap(marker);
+    }
 
     marker = addMarkerToMap(centre, getArrowIcon());
   }
 
   function updateLocation() {
-    var lonlat = getMapCenter();
+    var lonlat = unproj(map.getCenter());
     var zoom = map.getZoom();
     var layers = getMapLayers();
-    var extents = getMapExtent();
+    var extents = unproj(map.getExtent());
     var expiry = new Date();
     var objtype;
     var objid;
@@ -242,24 +233,24 @@ end
   }
 
   function remoteEditHandler(event) {
-    var extent = getMapExtent();
+    var extent = unproj(map.getExtent());
     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;
+    $("#linkloader").load(function () { loaded = true; });
+    $("#linkloader").attr("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("<%= escape_javascript(t('site.index.remote_failed')) %>");
+      if (!loaded) alert("<%=j t('site.index.remote_failed') %>");
     }, 1000);
 
-    event.stop();
+    return false;
   }
 
   function installEditHandler() {
-    $("remoteanchor").observe("click", remoteEditHandler);
+    $("#remoteanchor").click(remoteEditHandler);
 
     <% if preferred_editor == "remote" %>
-      $("editanchor").observe("click", remoteEditHandler);
+      $("#editanchor").click(remoteEditHandler);
 
       <% if params[:action] == "edit" %>
         remoteEditHandler();
@@ -267,11 +258,11 @@ end
     <% end %>
   }
 
-  document.observe("dom:loaded", mapInit);
-  document.observe("dom:loaded", installEditHandler);
-  document.observe("dom:loaded", handleResize);
+  $(document).ready(mapInit);
+  $(document).ready(installEditHandler);
+  $(document).ready(handleResize);
 
-  Event.observe(window, "resize", function() {
+  $(window).resize(function() {
     var centre = map.getCenter();
     var zoom = map.getZoom();
 
@@ -280,14 +271,18 @@ end
     map.setCenter(centre, zoom);
   });
 
-  document.observe("dom:loaded", function () {
-    $("exportanchor").observe("click", function (e) {
-      <%= remote_function :url => { :controller => 'export', :action => 'start' } %>;
+  $(document).ready(function () {
+    $("#exportanchor").click(function (e) {
+      $.ajax({ url: "<%= url_for :controller => :export, :action => :start %>" });
       Event.stop(e);
     });
 
-    <% if params[:action] == 'export' %>
-    <%= remote_function :url => { :controller => 'export', :action => 'start' } %>;
+    <% if params[:action] == 'export' -%>
+    $.ajax({ url: "<%= url_for :controller => :export, :action => :start %>" });
+    <% end -%>
+
+    <% if params[:query] -%>
+    doSearch("<%= params[:query] %>");
     <% end %>
   });
 // -->