Merge pull request #626 from riganti/GridViewExtensibility

GridView - extensibility
riganti · Aug 13, 2018 · 9b872fa · 9b872fa
2 parents 0a05871 + bf0cd09
commit 9b872fa
Showing 1 changed file with 9 additions and 6 deletions.
diff --git a/src/DotVVM.Framework/Controls/GridView.cs b/src/DotVVM.Framework/Controls/GridView.cs
@@ -153,7 +153,7 @@ protected internal override void OnPreRender(Hosting.IDotvvmRequestContext conte
             DataBind(context);     // TODO: support for observable collection
             base.OnPreRender(context);
         }
-       
+
         private void DataBind(IDotvvmRequestContext context)
         {
             Children.Clear();
@@ -176,7 +176,8 @@ dataSource is ISortableGridViewDataSet sortableSet && sortableSet.SortingOptions
                             sortOptions.SortDescending = false;
                         }
                         (sortableSet as IPageableGridViewDataSet)?.GoToFirstPage();
-                    } :
+                    }
+            :
                     SortChanged;
 
             // WORKAROUND: DataSource is null => don't throw exception
@@ -187,7 +188,8 @@ dataSource is ISortableGridViewDataSet sortableSet && sortableSet.SortingOptions
                 };
             }
 
-            CreateHeaderRow(context, sortCommand);
+            var header = CreateHeaderRow(context, sortCommand);
+            Children.Add(header);
             var index = 0;
             if (dataSource != null)
             {
@@ -223,10 +225,9 @@ dataSource is ISortableGridViewDataSet sortableSet && sortableSet.SortingOptions
             }
         }
 
-        private void CreateHeaderRow(IDotvvmRequestContext context, Action<string> sortCommand)
+        protected virtual HtmlGenericControl CreateHeaderRow(IDotvvmRequestContext context, Action<string> sortCommand)
         {
             head = new HtmlGenericControl("thead");
-            Children.Add(head);
 
             var gridViewDataSet = DataSource as IGridViewDataSet;
 
@@ -257,6 +258,8 @@ private void CreateHeaderRow(IDotvvmRequestContext context, Action<string> sortC
                     column.CreateFilterControls(context, this, cell, gridViewDataSet);
                 }
             }
+
+            return head;
         }
 
         private static void SetCellAttributes(GridViewColumn column, HtmlGenericControl cell, bool isHeaderCell)
@@ -493,7 +496,7 @@ protected override void AddAttributesToRender(IHtmlWriter writer, IDotvvmRequest
             base.AddAttributesToRender(writer, context);
         }
 
-        
+
 
         public override IEnumerable<DotvvmBindableObject> GetLogicalChildren()
         {