rebaseline_server: allow client to pull all results, or just failures

gm/rebaseline_server/static/loader.js

 /*
  * Loader:
  * Reads GM result reports written out by results.py, and imports
  * them into $scope.categories and $scope.testData .
  */
 var Loader = angular.module(
     'Loader',
     []
 );
 
@@ skipping 13 matching lines @@
           filteredItems.push(item);
         }
       }
       return filteredItems;
     };
   }
 );
 
 Loader.controller(
   'Loader.Controller',
-  function($scope, $http, $filter) {
-    $http.get("/results/all").then(
-      function(response) {
-        $scope.header = response.data.header;
-        $scope.categories = response.data.categories;
-        $scope.testData = response.data.testData;
+  function($scope, $http, $filter, $location) {
+    var resultsToLoad = $location.search().resultsToLoad;
+    $scope.loadingMessage = "Loading results of type '" + resultsToLoad +
+        "', please wait...";
+
+    $http.get("/results/" + resultsToLoad).success(
+      function(data, status, header, config) {
+        $scope.loadingMessage = "Processing data, please wait...";
+
+        $scope.header = data.header;
+        $scope.categories = data.categories;
+        $scope.testData = data.testData;
         $scope.sortColumn = 'test';
 
+        for (var i = 0; i < $scope.testData.length; i++) {
+          $scope.testData[i].index = i;
+        }
+
         $scope.hiddenResultTypes = {
           'failure-ignored': true,
           'no-comparison': true,
           'succeeded': true,
         };
         $scope.hiddenConfigs = {};
         $scope.selectedItems = {};
 
         $scope.updateResults();
+        $scope.loadingMessage = "";
+      }
+    ).error(
+      function(data, status, header, config) {
+        $scope.loadingMessage = "Failed to load results of type '"
+            + resultsToLoad + "'";
       }
     );
 
     $scope.isItemSelected = function(index) {
       return (true == $scope.selectedItems[index]);
     }
     $scope.toggleItemSelected = function(index) {
       if (true == $scope.selectedItems[index]) {
         delete $scope.selectedItems[index];
       } else {
@@ skipping 51 matching lines @@
       $scope.imageSize = $scope.imageSizePending;
       $scope.areUpdatesPending = false;
     }
 
     $scope.sortResultsBy = function(sortColumn) {
       $scope.sortColumn = sortColumn;
       $scope.updateResults();
     }
   }
 );