User an RJS template for the javascript response

[rails.git] / app / views / export / start.rjs

diff --git a/app/views/export/start.rjs b/app/views/export/start.rjs
index 30516938c68b585eacde5e4a746895d29a8a97af..abf9e671ddb1dd0b161429fc6cb5edaf2df4ca79 100644 (file)
--- a/app/views/export/start.rjs
+++ b/app/views/export/start.rjs
@@ -1,4 +1,4 @@
-page.replace_html :sidebar_title, 'Export'
+page.replace_html :sidebar_title, t('export.start_rjs.export')
 page.replace_html :sidebar_content, :partial => 'start'
 page << <<EOJ
   var vectors;
@@ -17,13 +17,14 @@ page << <<EOJ
         sides: 4,
         snapAngle: 90,
         irregular: true,
-        persist: true,
-        callbacks: { done: endDrag }
+        persist: true
       }
     });
+    box.handler.callbacks.done = endDrag;
     map.addControl(box);
 
     map.events.register("moveend", map, mapMoved);
+    map.events.register("changebaselayer", map, htmlUrlChanged);
 
     openSidebar({ onclose: stopExport });
 
@@ -47,6 +48,7 @@ page << <<EOJ
     clearBox();
     clearMarker();
     map.events.unregister("moveend", map, mapMoved);
+    map.events.unregister("changebaselayer", map, htmlUrlChanged);
     map.removeLayer(vectors);
   }
 
@@ -75,7 +77,7 @@ page << <<EOJ
   $("minlat").onchange = boundsChanged;
 
   function startDrag() {
-    $("drag_box").innerHTML='Drag a box on the map to select an area';
+    $("drag_box").innerHTML="#{I18n.t('export.start_rjs.drag_a_box')}";
 
     clearBox();
     box.activate();
@@ -92,36 +94,52 @@ page << <<EOJ
     box.deactivate();
     validateControls();
 
-    $("drag_box").innerHTML = "Manually select a different area";
+    $("drag_box").innerHTML = "#{I18n.t('export.start_rjs.manually_select')}";
   }
 
   function startMarker() {
-    $("add_marker").innerHTML='Click on the map to add a marker';
+    $("add_marker").innerHTML='#{I18n.t('export.start_rjs.click_add_marker')}';
+
     if (!markerLayer) {
-        markerLayer = new OpenLayers.Layer.Vector("",{displayInLayerSwitcher: false});
-        markerControl = new OpenLayers.Control.DrawFeature(markerLayer, OpenLayers.Handler.Point);
-        map.addLayer(markerLayer);
-        map.addControl(markerControl);
-        markerLayer.events.on({"featureadded": endMarker});
+      markerLayer = new OpenLayers.Layer.Vector("",{
+        displayInLayerSwitcher: false,
+        style: { 
+          externalGraphic: OpenLayers.Util.getImagesLocation() + "marker.png",
+          graphicXOffset: -10.5,
+          graphicYOffset: -25, 
+          graphicWidth: 21,
+          graphicHeight: 25
+        } 
+      });
+      map.addLayer(markerLayer);
+
+      markerControl = new OpenLayers.Control.DrawFeature(markerLayer, OpenLayers.Handler.Point);
+      map.addControl(markerControl);
+
+      markerLayer.events.on({ "featureadded": endMarker });
     }
+
     markerLayer.destroyFeatures();
     markerControl.activate();
+
     return false;
-  }   
+  }
 
   $("add_marker").onclick = startMarker;
 
   function endMarker(event) {
-    
     markerControl.deactivate();
-    $("add_marker").innerHTML='Change marker position';
-    $("marker_inputs").style.display="block";
+
+    $("add_marker").innerHTML = "#{I18n.t('export.start_rjs.change_marker')}";
+    $("marker_inputs").style.display = "block";
     
     var epsg4326 = new OpenLayers.Projection("EPSG:4326");
     var epsg900913 = new OpenLayers.Projection("EPSG:900913");
-    var geom = event.feature.geometry.clone().transform( epsg900913, epsg4326 );
+    var geom = event.feature.geometry.clone().transform(epsg900913, epsg4326);
+
     $("marker_lon").value = geom.x.toFixed(5);
     $("marker_lat").value = geom.y.toFixed(5);
+
     htmlUrlChanged(); 
   }
 
@@ -129,12 +147,13 @@ page << <<EOJ
     $("marker_lon").value = "";
     $("marker_lat").value = "";
     $("marker_inputs").style.display = "none";
-    $("add_marker").innerHTML='Add a marker to the map';
+    $("add_marker").innerHTML = "#{I18n.t('export.start_rjs.add_marker')}";
+
     if (markerLayer) { 
-        markerControl.destroy();
-        markerLayer.destroy();
-        markerLayer = null;
-        markerControl = null;
+      markerControl.destroy();
+      markerLayer.destroy();
+      markerLayer = null;
+      markerControl = null;
     }
   }  
 
@@ -171,17 +190,17 @@ page << <<EOJ
   function validateControls() {
     var bounds = new OpenLayers.Bounds($("minlon").value, $("minlat").value, $("maxlon").value, $("maxlat").value);
 
-    if (bounds.getWidth() * bounds.getHeight() > 0.25) {
-      $("format_osm").disabled = true;
-      $("format_osm").checked = false;
-      $("export_osm").style.display = "none";
+    if (bounds.getWidth() * bounds.getHeight() > #{MAX_REQUEST_AREA}) {
+      $("export_osm_too_large").style.display = "block";
     } else {
-      $("format_osm").disabled = false;
+      $("export_osm_too_large").style.display = "none";
     }
 
     var max_scale = maxMapnikScale();
 
-    if ($("format_mapnik").checked && $("mapnik_scale").value < max_scale) {
+    if ($("format_osm").checked && bounds.getWidth() * bounds.getHeight() > #{MAX_REQUEST_AREA}) {
+      $("export_commit").disabled = true;
+    } else if ($("format_mapnik").checked && $("mapnik_scale").value < max_scale) {
       $("export_commit").disabled = true;
     } else {
       $("export_commit").disabled = false;
@@ -208,11 +227,29 @@ page << <<EOJ
 
   function htmlUrlChanged() {
     var bounds = new OpenLayers.Bounds($("minlon").value, $("minlat").value, $("maxlon").value, $("maxlat").value);
-    var url = "http://#{SERVER_URL}/export/embed.html?bbox=" + bounds.toBBOX();
+    var layerName = map.baseLayer.keyid;
+    var url = "http://#{SERVER_URL}/export/embed.html?bbox=" + bounds.toBBOX() + "&amp;layer=" + layerName;
+    var markerUrl = "";
+
     if ($("marker_lat").value && $("marker_lon").value) {
-        url += "&marker=" + $("marker_lat").value + "," + $("marker_lon").value;
-    }    
+      markerUrl = "&amp;mlat=" + $("marker_lat").value + "&amp;mlon=" + $("marker_lon").value;
+      url += "&amp;marker=" + $("marker_lat").value + "," + $("marker_lon").value;
+    } 
+    
     var html = '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="'+url+'" style="border: 1px solid black"></iframe>';
+   
+    // Create "larger map" link
+    var center = bounds.getCenterLonLat();
+    var epsg4326 = new OpenLayers.Projection("EPSG:4326");
+    var epsg900913 = new OpenLayers.Projection("EPSG:900913");
+
+    bounds.transform(epsg4326, epsg900913);
+    var zoom = map.getZoomForExtent(bounds);
+    
+    var layers = getMapLayers();
+
+    html += '<br /><small><a href="http://#{SERVER_URL}/?lat='+center.lat+'&amp;lon='+center.lon+'&amp;zoom='+zoom+'&amp;layers='+layers+markerUrl+'">'+"#{html_escape_unicode(I18n.t('export.start_rjs.view_larger_map'))}"+'</a></small>';
+
     $("export_html_text").value = html;
 
     if ($("format_html").checked) {
@@ -253,7 +290,7 @@ page << <<EOJ
       $("export_html").style.display = "none";
       clearMarker();
     }
-       
+        
     validateControls();
   }
 
@@ -290,7 +327,7 @@ page << <<EOJ
     var ymax = bounds.top * Math.PI / 180;
     var yzoom = Math.LOG2E * (Math.log(2000 * 2 * Math.PI) - Math.log(Math.log((Math.tan(ymax) + 1 / Math.cos(ymax)) / (Math.tan(ymin) + 1 / Math.cos(ymin)))))
 
-    return Math.floor(Math.min(xzoom, yzoom));
+    return Math.min(Math.floor(Math.min(xzoom, yzoom)), 17);
   }
 
   function roundScale(scale) {