Added support for changing the legend values.

Author: nblu

dist/angular-leaflet-directive.js

@@ -373,16 +373,18 @@
           var position = legend.position || 'bottomright';
           var leafletLegend;
           controller.getMap().then(function (map) {
-            if (!isDefined(legend.url) && (!isArray(legend.colors) || !isArray(legend.labels) || legend.colors.length !== legend.labels.length)) {
-              $log.warn('[AngularJS - Leaflet] legend.colors and legend.labels must be set.');
-            } else if (isDefined(legend.url)) {
-              $log.info('[AngularJS - Leaflet] loading arcgis legend service.');
-            } else {
-              // TODO: Watch array legend.
-              leafletLegend = L.control({ position: position });
-              leafletLegend.onAdd = leafletLegendHelpers.getOnAddArrayLegend(legend, legendClass);
-              leafletLegend.addTo(map);
-            }
+            leafletScope.$watch('legend', function (legend) {
+              if (!isDefined(legend.url) && (!isArray(legend.colors) || !isArray(legend.labels) || legend.colors.length !== legend.labels.length)) {
+                $log.warn('[AngularJS - Leaflet] legend.colors and legend.labels must be set.');
+              } else if (isDefined(legend.url)) {
+                $log.info('[AngularJS - Leaflet] loading arcgis legend service.');
+              } else {
+                // TODO: Watch array legend.
+                leafletLegend = L.control({ position: position });
+                leafletLegend.onAdd = leafletLegendHelpers.getOnAddArrayLegend(legend, legendClass);
+                leafletLegend.addTo(map);
+              }
+            });
             leafletScope.$watch('legend.url', function (newURL) {
               if (!isDefined(newURL)) {
                 return;