Don't try and apply pngfix to OpenLayers tile images.

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

diff --git a/app/views/site/index.rhtml b/app/views/site/index.rhtml
index 403f552d1eeb1aaf7eb007b6898f988bbd58d049..d5c7b9e0349aff4725017f003c88d426724f6441 100644 (file)
--- a/app/views/site/index.rhtml
+++ b/app/views/site/index.rhtml
@@ -1,24 +1,4 @@
-
-
-<div id="geocoder">
-  <%= start_form_tag :controller => 'geocoder', :action => 'search' %>
-  <%= text_field 'query', 'postcode'%>
-  <%= text_field 'query', 'place_name'%>
-  <%= submit_tag 'Search' %>
-  <%= end_form_tag %>
-
-  <div id="geocoder-attribution">
-    Geolocation provided by <a href="http://npemap.org.uk/">npemap.org.uk</a>,
-    <a href="http://geocoder.us/">geocoder.us</a>, <a href="http://geocoder.ca/">geocoder.ca</a>
-    and <a href="http://www.geonames.org/">geonames.org</a>
-  </div>
-  <div id="postcode-helper">
-    eg: SW15 6JH, 95472 or H2L4C1
-  </div>
-  <div id="placename-helper">
-    eg:Essen
-  </div>
-</div>
+<%= render :partial => 'search' %>
 
 <% if params['mlon'] and params['mlat'] %>
 <% marker = true %>
@@ -70,7 +50,7 @@
 <script type="text/javascript">
   <!--
   var map, layer, markers;
-
+  var ie6 = ! ( window.addEventListener || window.XMLHttpRequest );
 
   function init(){
 
@@ -79,9 +59,9 @@
     }
     map = new OpenLayers.Map( "map", 
         {maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34), maxZoomLevel:18, maxResolution:156543, units:'meters', projection: "EPSG:41001"} );
-    layer = new OpenLayers.Layer.LikeGoogle( "Mapnik", "http://tile.openstreetmap.org/", {type:'png'} );
+    layer = new OpenLayers.Layer.TMS( "Mapnik", "http://tile.openstreetmap.org/", {type:'png', getURL:getTileURL} );
     map.addLayer(layer);
-    layer = new OpenLayers.Layer.LikeGoogle( "Osmarender", "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/", {type:'png'} );
+    layer = new OpenLayers.Layer.TMS( "Osmarender", "http://dev.openstreetmap.org/~ojw/Tiles/tile.php/", {type:'png', getURL:getTileURL} );
     map.addLayer(layer);
 
     //Marker stuff
@@ -94,21 +74,100 @@
     markers.addMarker(marker);
     <%end%>
 
-      map.addControl(new OpenLayers.Control.LayerSwitcher());
+    map.addControl(new OpenLayers.Control.LayerSwitcher());
     map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
 
-    map.events.register("moveend", map, function() { 
-        var lonlat = map.getCenter();
-
-        var lon_deg = (lonlat.lon / 20037508.34) * 180;
-        var lat_deg = (lonlat.lat / 20037508.34) * 180;
-        var PI = 3.14159265358979323846;
-        lat_deg = 180/PI * (2 * Math.atan(Math.exp(lat_deg * PI / 180)) - PI / 2);
-        var zoom = map.getZoom();
-        updatelinks(lon_deg,lat_deg,zoom);
-        });
+    map.events.register("moveend", map, updateLocation);
+    document.getElementById( 'map_OpenLayers_ViewPort' ).style.position = 'absolute';
+    if( ie6 ) {
+      handleResize();
+    }
+    updateLocation();
   }        
 
-init();
+  function getTileURL( bounds ) {
+    var res = this.map.getResolution();
+    var x = Math.round ((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
+    var y = Math.round ((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
+    var z = this.map.getZoom();
+    return this.url + z + "/" + x + "/" + y + "." + this.type; 
+  }
+
+  function updateLocation() {
+    var lonlat = map.getCenter();
+
+    var lon_deg = (lonlat.lon / 20037508.34) * 180;
+    var lat_deg = (lonlat.lat / 20037508.34) * 180;
+    var PI = 3.14159265358979323846;
+    lat_deg = 180/PI * (2 * Math.atan(Math.exp(lat_deg * PI / 180)) - PI / 2);
+    var zoom = map.getZoom();
+
+    updatelinks(lon_deg,lat_deg,zoom);
+  }
+
+  function getStyle( el, property ) {
+    var style;
+    if( el.currentStyle ) {
+        style = el.currentStyle[property];
+    } else if( window.getComputedStyle ) {
+        style = document.defaultView.getComputedStyle(el,null).getPropertyValue(property);
+    } else {
+        style = el.style[property];
+    }
+    return style;
+  }
+  
+  function handleResize() {
+    var el = document.getElementById( 'map' );
+    var left = getStyle( el, 'left' );
+    var top = getStyle( el, 'top' );
+    var bottom = getStyle( el, 'bottom' );
+    var right = getStyle( el, 'right' );
+    var width = el.old_width;
+    if( ! width ) {
+        width = getStyle( el, 'width' );
+    }
+    var height = el.old_height;
+    if( ! height ) {
+        height = getStyle( el, 'height' );
+    }
+    var pwidth, pheight;
+    if( el.offsetParent.nodeName == 'BODY' || el.offsetParent.nodeName == 'HTML' ) {
+      if( typeof( window.innerWidth ) == 'number' ) {
+          pwidth = window.innerWidth;
+          height = window.innerHeight;
+      } else if( document.documentElement &&
+          ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
+          pwidth = document.documentElement.clientWidth;
+          pheight = document.documentElement.clientHeight;
+      } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
+          pwidth = document.body.clientWidth;
+          pheight = document.body.clientHeight;
+      }
+    } else {
+      pwidth = el.offsetParent.offsetWidth;
+      pheight = el.offsetParent.offsetHeight;
+    }
+    if( left != 'auto' && right != 'auto' && width == 'auto' ) {
+      el.old_width = width;
+      var new_width = (pwidth - el.offsetLeft - parseInt( right ) );
+      el.style.width = new_width + 'px';
+    }
+    if( top != 'auto' && bottom != 'auto' && height == 'auto' ) {
+      el.old_height = height;
+      var new_height = (pheight - el.offsetTop - parseInt( bottom ) );
+      el.style.height = new_height + 'px';
+    }
+    map.updateSize();
+    el.style.display = 'none';
+    setTimeout( function() {
+        el.style.display = '';
+        }, 200 );
+  }
+
+if( ie6 ) {
+  window.onresize = handleResize;
+}
+window.onload = init;
 // -->
 </script>