tidier code

[rails.git] / app / assets / javascripts / leaflet.layers.js

diff --git a/app/assets/javascripts/leaflet.layers.js b/app/assets/javascripts/leaflet.layers.js
index fd493ee32c212d882b38bd6948ef07861c26cd55..d2928068d4d6a1ec1a754e0a081f75b90f4cf356 100644 (file)
--- a/app/assets/javascripts/leaflet.layers.js
+++ b/app/assets/javascripts/leaflet.layers.js
@@ -34,12 +34,12 @@ L.OSM.layers = function(options) {
       .attr('class', 'section base-layers')
       .appendTo($ui);
 
-    list = $('<ul>')
+    var baseLayers = $('<ul>')
       .appendTo(baseSection);
 
     layers.forEach(function(layer) {
       var item = $('<li>')
-        .appendTo(list);
+        .appendTo(baseLayers);
 
       if (map.hasLayer(layer)) {
         item.addClass('active');
@@ -107,7 +107,7 @@ L.OSM.layers = function(options) {
       });
     });
 
-    if (OSM.STATUS != 'api_offline' && OSM.STATUS != 'database_offline') {
+    if (OSM.STATUS !== 'api_offline' && OSM.STATUS !== 'database_offline') {
       var overlaySection = $('<div>')
         .attr('class', 'section overlay-layers')
         .appendTo($ui);
@@ -117,38 +117,63 @@ L.OSM.layers = function(options) {
         .attr("class", "deemphasize")
         .appendTo(overlaySection);
 
-      var list = $('<ul>')
+      var overlays = $('<ul>')
         .appendTo(overlaySection);
 
-      function addOverlay(layer, name) {
+      var addOverlay = function (layer, name, maxArea) {
         var item = $('<li>')
-          .appendTo(list);
+          .tooltip({
+            placement: 'top'
+          })
+          .appendTo(overlays);
 
         var label = $('<label>')
           .appendTo(item);
 
+        var checked = map.hasLayer(layer);
+
         var input = $('<input>')
           .attr('type', 'checkbox')
-          .prop('checked', map.hasLayer(layer))
+          .prop('checked', checked)
           .appendTo(label);
 
-        label.append(name);
+        label.append(I18n.t('javascripts.map.layers.' + name));
 
         input.on('change', function() {
-          if (input.is(':checked')) {
+          checked = input.is(':checked');
+          if (checked) {
             map.addLayer(layer);
           } else {
             map.removeLayer(layer);
           }
+          map.fire('overlaylayerchange', {layer: layer});
         });
 
         map.on('layeradd layerremove', function() {
           input.prop('checked', map.hasLayer(layer));
         });
-      }
 
-      addOverlay(map.noteLayer, I18n.t('javascripts.map.layers.notes'));
-      addOverlay(map.dataLayer, I18n.t('javascripts.map.layers.data'));
+        map.on('zoomend', function() {
+          var disabled = map.getBounds().getSize() >= maxArea;
+          $(input).prop('disabled', disabled);
+
+          if (disabled && $(input).is(':checked')) {
+            $(input).prop('checked', false)
+              .trigger('change');
+            checked = true;
+          } else if (!disabled && !$(input).is(':checked') && checked) {
+            $(input).prop('checked', true)
+              .trigger('change');
+          }
+
+          $(item).attr('class', disabled ? 'disabled' : '');
+          item.attr('data-original-title', disabled ?
+            I18n.t('javascripts.site.map_' + name + '_zoom_in_tooltip') : '');
+        });
+      };
+
+      addOverlay(map.noteLayer, 'notes', OSM.MAX_NOTE_REQUEST_AREA);
+      addOverlay(map.dataLayer, 'data', OSM.MAX_REQUEST_AREA);
     }
 
     options.sidebar.addPane($ui);
@@ -157,6 +182,7 @@ L.OSM.layers = function(options) {
       e.stopPropagation();
       e.preventDefault();
       options.sidebar.togglePane($ui, button);
+      $('.leaflet-control .control-button').tooltip('hide');
     }
 
     return $container[0];