UI: detail view

Support dynamically updating context on detail view load, to support cases
where certain context items are required by other elements loaded, but may not
be present in the browser history.

ui/scripts/ui/widgets/detailView.js

@@ -870,6 +870,13 @@
     var removedTabs = [];
     var tabFilter = options.tabFilter;
     var context = options.context ? options.context : {};
+    var updateContext = $detailView.data('view-args').updateContext;
+
+    if (updateContext) {
+      $.extend($detailView.data('view-args').context, updateContext({
+        context: $detailView.data('view-args').context
+      }));
+    }
 
     if(options.newData &&
        ($detailView.data('view-args').section != null && context[$detailView.data('view-args').section] != null && context[$detailView.data('view-args').section].length > 0)) {

ui/tests/test.detailView.js

@@ -743,4 +743,53 @@
     };
     $detailView.find('.action.updateDataTestAsync a').click();
   });
+
+  test('Update context', function() {
+    var detailView = {
+      context: {
+        listViewItemA: [
+          { fieldA: 'fieldAContent' }
+        ]
+        // listViewItemB [not stored yet]
+      },
+
+      tabFilter: function(args) {
+        start();
+        ok($.isArray(args.context.listViewItemB), 'updateContext called before tabFilter');
+        stop();
+
+        return [];
+      },
+
+      // updateContext is executed every time a data provider is called
+      updateContext: function(args) {
+        start();
+        ok(true, 'updateContext called');
+        equal(args.context.listViewItemA[0].fieldA, 'fieldAContent', 'updateContext: Item A present in context');
+        stop();
+
+        return {
+          listViewItemB: [
+            { fieldB: 'fieldBContent' }
+          ]
+        };
+      },
+
+      tabs: {
+        test: {
+          title: 'test',
+          fields: { fieldA: { label: 'fieldA'}, fieldB: { label: 'fieldB' }},
+          dataProvider: function(args) {
+            start();
+            equal(args.context.listViewItemA[0].fieldA, 'fieldAContent', 'dataProvider: Item A present in context');
+            equal(args.context.listViewItemB[0].fieldB, 'fieldBContent', 'dataProvider: Item B present in context');
+          }
+        }
+      }
+    };
+    var $detailView = $('<div></div>');
+
+    stop();
+    $detailView.detailView(detailView);
+  });
 }(jQuery));