Improve outline

src/features/documentSymbolProvider.ts

@@ -31,13 +31,13 @@ export default class OmnisharpDocumentSymbolProvider extends AbstractSupport imp
     }
 }
 
-function createSymbols(elements: Structure.CodeElement[]): vscode.DocumentSymbol[] {
+function createSymbols(elements: Structure.CodeElement[], parentElement?: Structure.CodeElement): vscode.DocumentSymbol[] {
     let results: vscode.DocumentSymbol[] = [];
 
     elements.forEach(element => {
-        let symbol = createSymbolForElement(element);
+        let symbol = createSymbolForElement(element, parentElement);
         if (element.Children) {
-            symbol.children = createSymbols(element.Children);
+            symbol.children = createSymbols(element.Children, element);
         }
 
         results.push(symbol);
@@ -46,11 +46,43 @@ function createSymbols(elements: Structure.CodeElement[]): vscode.DocumentSymbol
     return results;
 }
 
-function createSymbolForElement(element: Structure.CodeElement): vscode.DocumentSymbol {
+function getNameForElement(element: Structure.CodeElement, parentElement?: Structure.CodeElement): string {
+    switch (element.Kind) {
+        case SymbolKinds.Class:
+        case SymbolKinds.Delegate:
+        case SymbolKinds.Enum:
+        case SymbolKinds.Interface:
+        case SymbolKinds.Struct:
+            return element.Name;
+
+        case SymbolKinds.Namespace:
+            return typeof parentElement !== 'undefined' && element.DisplayName.startsWith(`${parentElement.DisplayName}.`)
+                ? element.DisplayName.slice(parentElement.DisplayName.length + 1)
+                : element.DisplayName;
+
+        case SymbolKinds.Constant:
+        case SymbolKinds.Constructor:
+        case SymbolKinds.Destructor:
+        case SymbolKinds.EnumMember:
+        case SymbolKinds.Event:
+        case SymbolKinds.Field:
+        case SymbolKinds.Indexer:
+        case SymbolKinds.Method:
+        case SymbolKinds.Operator:
+        case SymbolKinds.Property:
+        case SymbolKinds.Unknown:
+        default:
+            return element.DisplayName;
+    }
+}
+
+function createSymbolForElement(element: Structure.CodeElement, parentElement?: Structure.CodeElement): vscode.DocumentSymbol {
     const fullRange = element.Ranges[SymbolRangeNames.Full];
     const nameRange = element.Ranges[SymbolRangeNames.Name];
+    const name = getNameForElement(element, parentElement);
+    const details = name === element.DisplayName ? '' : element.DisplayName;
 
-    return new vscode.DocumentSymbol(element.DisplayName, /*detail*/ "", toSymbolKind(element.Kind), toRange3(fullRange), toRange3(nameRange));
+    return new vscode.DocumentSymbol(name, details, toSymbolKind(element.Kind), toRange3(fullRange), toRange3(nameRange));
 }
 
 const kinds: { [kind: string]: vscode.SymbolKind; } = {};