Make data browser work with OpenLayers 2.7.

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

diff --git a/app/views/site/index.rhtml b/app/views/site/index.rhtml
index fb5327b8146febd735ae632916a779935355ba74..2cca4d5292317b8a3728e94ed33e3ec6e057312a 100644 (file)
--- a/app/views/site/index.rhtml
+++ b/app/views/site/index.rhtml
@@ -1,76 +1,210 @@
-<div id="geocoder">
-  <form action="/search.html">
-    <input type="text" name="query" value="" size="60">
-    <input type="submit" value="Search">
-  </form>
+<% content_for :greeting do %>
+<% if @user and !@user.home_lon.nil? and !@user.home_lat.nil? %>
+<%= link_to_function 'home', "setPosition(#{@user.home_lat}, #{@user.home_lon}, 10)" %> |
+<% end %>
+<% end %>
+
+<%= render :partial => 'sidebar', :locals => { :onopen => "resizeMap();", :onclose => "resizeMap();" } %>
+<%= render :partial => 'key' %>
+<%= render :partial => 'search' %>
+
+<noscript>
+  <div id="noscript">
+    <p>You are either using a browser that doesn't support javascript, or you have disabled javascript.</p>
+    <p>OpenStreetMap uses javascript for its slippy map.</p>
+    <p>You may want to try the <a href="http://tah.openstreetmap.org/Browse/">Tiles@Home static tile browser</a> if you are unable to enable javascript.</p>
+  </div>
+</noscript>
+
+<div id="map">
+<div id="permalink"><a href="/" id="permalinkanchor">Permalink</a></div>
+</div> 
+
+<div id="attribution">
+<table width="100%">
+<tr>
+<td align="left">http://creativecommons.org/licenses/by-sa/2.0/</td>
+<td align="right">http://openstreetmap.org/</td>
+</tr>
+<tr>
+<td colspan="2" align="center">
+Licensed under the Creative Commons Attribution-Share Alike 2.0 license
+by the OpenStreetMap project and its contributors.
+</td>
+</table>

 </div>
 
 </div>
 

-<div id="map" style="WIDTH: 700px; HEIGHT: 500px;"></div>
+<% if params['mlon'] and params['mlat'] %>
+<% marker = true %>
+<% mlon = h(params['mlon']) %> 
+<% mlat = h(params['mlat']) %>
+<% end %>
+
+<% if params['minlon'] and params['minlat'] and params['maxlon'] and params['maxlat'] %>
+<% bbox = true %>
+<% minlon = h(params['minlon']) %>
+<% minlat = h(params['minlat']) %>
+<% maxlon = h(params['maxlon']) %>
+<% maxlat = h(params['maxlat']) %>
+<% end %>

 
 

-<script src="lib/OpenLayers.js"></script>
-<script type="text/javascript">
+<% if params['lon'] and params['lat'] %>
+<% lon =  h(params['lon']) %>
+<% lat =  h(params['lat']) %>
+<% zoom =  h(params['zoom'] || '5') %>
+<% layers = h(params['layers']) %>
+<% elsif params['mlon'] and params['mlat'] %>
+<% lon = h(params['mlon']) %> 
+<% lat = h(params['mlat']) %>
+<% zoom =  h(params['zoom'] || '12') %>
+<% layers = h(params['layers']) %>
+<% 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? %> 
+<% lon =  @user.home_lon %>
+<% lat =  @user.home_lat %>
+<% zoom = '10' %>
+<% else %>
+<% session[:location] = OSM::IPLocation(request.env['REMOTE_ADDR']) unless session[:location] %>
+<% if session[:location] %>
+<% bbox = true %>
+<% minlon = session[:location][:minlon] %>
+<% minlat = session[:location][:minlat] %>
+<% maxlon = session[:location][:maxlon] %>
+<% maxlat = session[:location][:maxlat] %>
+<% else %>
+<% lon =  '-0.1' %>
+<% lat =  '51.5' %>
+<% zoom =  h(params['zoom'] || '5') %>
+<% end %>
+<% layers = h(params['layers']) %>
+<% end %>
+
+<%= javascript_include_tag '/openlayers/OpenLayers.js' %>
+<%= javascript_include_tag '/openlayers/OpenStreetMap.js' %>
+<%= javascript_include_tag 'map.js' %>
+
+
+<script type="text/javascript" defer="defer">

   <!--
   <!--

-  function init(){
-    var map = new OpenLayers.Map('map');
+  var brokenContentSize = $("content").offsetWidth == 0;
+  var marker;
+  var map;
+
+  function mapInit(){
+    map = createMap("map");
+
+    <% unless OSM_STATUS == :api_offline or OSM_STATUS == :database_offline %>
+    map.dataLayer = new OpenLayers.Layer("Data", { "visibility": false });
+    map.dataLayer.events.register("visibilitychanged", map.dataLayer, toggleData);
+    map.addLayer(map.dataLayer);
+    <% end %>

 
 

-    var osm_wms = new OpenLayers.Layer.WMS( "OpenStreetMap Streets",
-        "http://tile.openstreetmap.org/cgi-bin/mapserv?map=/usr/lib/cgi-bin/steve/osm.map",
-        {layers: "default_segment,segments,class_segment",
-transparent: "true", format: "image/png" });
+    <% if bbox %>
+    var bbox = new OpenLayers.Bounds(<%= minlon %>, <%= minlat %>, <%= maxlon %>, <%= maxlat %>);

 
 

-    // FIXME this should be landsat.openstreetmap.org
+    setMapExtent(bbox);
+    <% else %>
+    var centre = new OpenLayers.LonLat(<%= lon %>, <%= lat %>);
+    var zoom = <%= zoom %>;

 
 

-    var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
-        "http://wms.jpl.nasa.gov/wms.cgi",
-        {layers: "modis,global_mosaic"});
+    <% if params['scale'] and params['scale'].length > 0 then %>
+    zoom = scaleToZoom(<%= params['scale'].to_f() %>);
+    <% end %>

 
 

+    setMapCenter(centre, zoom);
+    <% end %>

 
 

-    map.addLayers([jpl_wms, osm_wms]);
-    map.zoomToFullExtent();
+    <% if !layers.nil? and !layers.empty? %>
+    setMapLayers("<%= layers %>");
+    <% end %>
+
+    <% if marker %>
+    marker = addMarkerToMap(new OpenLayers.LonLat(<%= mlon %>, <%= mlat %>));
+    <% end %>
+
+    map.events.register("zoomend", map, updateKey);
+
+    map.events.register("moveend", map, updateLocation);
+    map.events.register("changelayer", map, updateLocation);
+    updateLocation();
+
+    handleResize();

   }
 
   }
 

-init();
-// -->
-</script>
+  function toggleData() {
+    if (map.dataLayer.visibility) {
+      <%= remote_function :url => { :controller => 'browse', :action => 'start' } %>
+    } else {
+      closeSidebar();
+    }
+  }

 
 

+  function getPosition() {
+    return getMapCenter();
+  }

 
 

-<!--
-<div id="drag" style="WIDTH: 700px; HEIGHT: 500px;">
-  <div id='controls'>
-    <a id="zoomout" class="mapcontrol"><img src="/images/map_zoomout.png" alt="zoom out"></a>
-    <a id="zoomin" class="mapcontrol"> <img src="/images/map_zoomin.png" alt="zoom in">  </a>
-  </div>
-</div>
+  function setPosition(lat, lon, zoom) {
+    var centre = new OpenLayers.LonLat(lon, lat);

 
 

-<div id="debuginfo"></div>
--->
-<% unless @user %>
-<div id="gads">
-  <script type="text/javascript"><!--
-    google_ad_client = "pub-7727744269903103";
-    google_ad_width = 728;
-    google_ad_height = 90;
-    google_ad_format = "728x90_as";
-    google_ad_type = "text";
-    google_ad_channel ="";
-    google_color_border = "CCCCCC";
-    google_color_bg = "FFFFFF";
-    google_color_link = "000000";
-    google_color_url = "000080";
-    google_color_text = "000000";
-    //--></script><script type="text/javascript"
-    src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
-    </script>We're trialing adverts to support the project. Login and they go away.
-  </div>
-  <% end %>
+    setMapCenter(centre, zoom);

 
 

-  <!--
-  <script type="text/javascript">
-    lat = 0;
-    lon = 0;
-    zoom = 0;
+    if (marker)
+      removeMarkerFromMap(marker);
+
+    marker = addMarkerToMap(centre, getArrowIcon());
+  }
+
+  function updateLocation() {
+    var lonlat = getMapCenter();
+    var zoom = map.getZoom();
+    var layers = getMapLayers();
+
+    updatelinks(lonlat.lon, lonlat.lat, zoom, layers);
+
+    document.cookie = "_osm_location=" + lonlat.lon + "|" + lonlat.lat + "|" + zoom + "|" + layers;
+  }
+
+  function resizeContent() {
+    var content = $("content");
+    var rightMargin = parseInt(getStyle(content, "right"));
+    var bottomMargin = parseInt(getStyle(content, "bottom"));
+
+    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();
+    var sidebar_width = $("sidebar").offsetWidth;

 
 

-    init();
-  </script>
+    if (sidebar_width > 0) {
+      sidebar_width = sidebar_width + 5
+    }

 
 

-  -->
+    $("map").style.left = (sidebar_width) + "px";
+    $("map").style.width = ($("content").offsetWidth - sidebar_width) + "px";
+    $("map").style.height = ($("content").offsetHeight - 2) + "px";
+
+    map.setCenter(centre, zoom);
+  }
+
+  function handleResize() {
+    if (brokenContentSize) {
+      resizeContent();
+    }
+
+    resizeMap();
+  }
+  
+  mapInit();
+
+  window.onload = handleResize;
+  window.onresize = handleResize;
+
+  <% if params['action'] == 'export' %>
+  <%= remote_function :url => { :controller => 'export', :action => 'start' } %>
+  <% end %>
+// -->
+</script>