remove supertype and subtype switch

Signed-off-by: Shi Chen <chenshi@microsoft.com>

Author: CsCherrYY

package.json

@@ -948,15 +948,8 @@
         "category": "Java"
       },
       {
-        "command": "java.action.showSupertypeHierarchy",
-        "title": "%java.action.showSupertypeHierarchy%",
-        "icon": "$(type-hierarchy-super)",
-        "category": "Java"
-      },
-      {
-        "command": "java.action.showSubtypeHierarchy",
-        "title": "%java.action.showSubtypeHierarchy%",
-        "icon": "$(type-hierarchy-sub)",
+        "command": "java.action.changeBaseType",
+        "title": "%java.action.changeBaseType%",
         "category": "Java"
       }
     ],
@@ -1043,11 +1036,7 @@
           "when": "javaLSReady && editorIsOpen"
         },
         {
-          "command": "java.action.showSubtypeHierarchy",
-          "when": "false"
-        },
-        {
-          "command": "java.action.showSupertypeHierarchy",
+          "command": "java.action.changeBaseType",
           "when": "false"
         },
         {
@@ -1071,21 +1060,11 @@
           "when": "java:serverMode == LightWeight"
         }
       ],
-      "view/title": [
-        {
-          "command": "java.action.showClassHierarchy",
-          "group": "navigation@-1",
-          "when": "view == references-view.tree && reference-list.hasResult && reference-list.source == typeHierarchy && typeHierarchySymbolKind != 10"
-        },
-        {
-          "command": "java.action.showSupertypeHierarchy",
-          "group": "navigation@0",
-          "when": "view == references-view.tree && reference-list.hasResult && reference-list.source == javaTypeHierarchy"
-        },
+      "view/item/context": [
         {
-          "command": "java.action.showSubtypeHierarchy",
-          "group": "navigation@1",
-          "when": "view == references-view.tree && reference-list.hasResult && reference-list.source == javaTypeHierarchy"
+          "command": "java.action.changeBaseType",
+          "group": "1",
+          "when": "view == references-view.tree && reference-list.hasResult && reference-list.source == javaTypeHierarchy && viewItem != 'false'"
         }
       ]
     }

package.nls.json

@@ -15,7 +15,5 @@
 	"java.show.server.task.status": "Show Build Job Status",
 	"java.action.navigateToSuperImplementation": "Go to Super Implementation",
 	"java.action.showClassHierarchy": "Show Class Hierarchy",
-	"java.action.showSupertypeHierarchy": "Show Supertype Hierarchy",
-	"java.action.showSubtypeHierarchy": "Show Subtype Hierarchy",
 	"java.action.changeBaseType": "Base on this Type"
 }

package.nls.zh.json

@@ -15,7 +15,5 @@
 	"java.show.server.task.status": "显示工作状态",
 	"java.action.navigateToSuperImplementation": "转到父类实现",
 	"java.action.showClassHierarchy": "显示类的继承关系",
-	"java.action.showSupertypeHierarchy": "显示父类层次结构",
-	"java.action.showSubtypeHierarchy": "显示子类层次结构",
 	"java.action.changeBaseType": "基于此类型"
 }

src/commands.ts

@@ -192,18 +192,14 @@ export namespace Commands {
      * Navigate To Super Method Command.
      */
     export const NAVIGATE_TO_SUPER_IMPLEMENTATION_COMMAND = 'java.action.navigateToSuperImplementation';
-    /**
-     * Show SuperType Hierarchy of given Selection.
-     */
-    export const SHOW_SUPERTYPE_HIERARCHY = 'java.action.showSupertypeHierarchy';
-    /**
-     * Show SubType Hierarchy of given Selection.
-     */
-    export const SHOW_SUBTYPE_HIERARCHY = 'java.action.showSubtypeHierarchy';
     /**
      * Show Class Hierarchy of given Selection.
      */
     export const SHOW_CLASS_HIERARCHY = 'java.action.showClassHierarchy';
+    /**
+     * Change the base type of Type Hierarchy.
+     */
+    export const CHANGE_BASE_TYPE = 'java.action.changeBaseType';
     /**
      * Show server task status
      */

src/standardLanguageClient.ts

@@ -1,6 +1,6 @@
 'use strict';
 
-import { ExtensionContext, window, workspace, commands, Uri, ProgressLocation, ViewColumn, EventEmitter, extensions, Location, languages, CodeActionKind, TextEditor, CancellationToken, ConfigurationTarget, Range, Position, TypeHierarchyItem } from "vscode";
+import { ExtensionContext, window, workspace, commands, Uri, ProgressLocation, ViewColumn, EventEmitter, extensions, Location, languages, CodeActionKind, TextEditor, CancellationToken, ConfigurationTarget, Range, Position } from "vscode";
 import { Commands } from "./commands";
 import { serverStatus, ServerStatusKind } from "./serverStatus";
 import { prepareExecutable, awaitServerConnection } from "./javaServerStarter";
@@ -33,7 +33,7 @@ import { buildFilePatterns } from './plugin';
 import { pomCodeActionMetadata, PomCodeActionProvider } from "./pom/pomCodeActionProvider";
 import { findRuntimes, IJavaRuntime } from "jdk-utils";
 import { TypeHierarchyFeature } from "vscode-languageclient/lib/common/proposed.typeHierarchy";
-import { TypeHierarchyDirection, TypeItem, TypesModel } from "./typeHierarchy/model.reference-view";
+import { CodeTypeHierarchyItem } from "./typeHierarchy/protocol";
 
 const extensionName = 'Language Support for Java';
 const GRADLE_CHECKSUM = "gradle/checksum/prompt";
@@ -383,16 +383,8 @@ export class StandardLanguageClient {
 				}
 			}));
 
-			context.subscriptions.push(commands.registerCommand(Commands.SHOW_SUPERTYPE_HIERARCHY, () => {
-				const typesModel: TypesModel = new TypesModel(TypeHierarchyDirection.Supertypes, [typeHierarchyTree.currentItem]);
-				const typeItem: TypeItem = new TypeItem(typesModel, typeHierarchyTree.currentItem, undefined);
-				commands.executeCommand("references-view.showSupertypes", typeItem);
-			}));
-
-			context.subscriptions.push(commands.registerCommand(Commands.SHOW_SUBTYPE_HIERARCHY, () => {
-				const typesModel: TypesModel = new TypesModel(TypeHierarchyDirection.Subtypes, [typeHierarchyTree.currentItem]);
-				const typeItem: TypeItem = new TypeItem(typesModel, typeHierarchyTree.currentItem, undefined);
-				commands.executeCommand("references-view.showSubtypes", typeItem);
+			context.subscriptions.push(commands.registerCommand(Commands.CHANGE_BASE_TYPE, async (item: CodeTypeHierarchyItem) => {
+				typeHierarchyTree.changeBaseItem(item);
 			}));
 
 			context.subscriptions.push(commands.registerCommand(Commands.COMPILE_WORKSPACE, (isFullCompile: boolean, token?: CancellationToken) => {

src/typeHierarchy/model.reference-view.ts

@@ -92,7 +92,7 @@ class TypeHierarchyTreeDataProvider implements vscode.TreeDataProvider<CodeTypeH
 			return undefined;
 		}
 		const treeItem: vscode.TreeItem = (element === this.model.getBaseItem()) ? new vscode.TreeItem({ label: element.name, highlights: [[0, element.name.length]] }) : new vscode.TreeItem(element.name);
-		treeItem.contextValue = (element === this.model.getBaseItem() || !element.uri) ? "false" : "true";
+		treeItem.contextValue = (element === this.model.getBaseItem() || !element.uri || element.kind === vscode.SymbolKind.Interface) ? "false" : "true";
 		treeItem.description = element.detail;
 		treeItem.iconPath = TypeHierarchyTreeDataProvider.getThemeIcon(element.kind);
 		treeItem.command = (element.uri) ? {
@@ -119,10 +119,8 @@ class TypeHierarchyTreeDataProvider implements vscode.TreeDataProvider<CodeTypeH
 		if (element.children) {
 			return element.children;
 		}
-		const lspItem = this.client.code2ProtocolConverter.asTypeHierarchyItem(element);
-		lspItem.data = element.data;
 		const params: Proposed.TypeHierarchySubtypesParams = {
-			item: lspItem,
+			item: this.client.code2ProtocolConverter.asTypeHierarchyItem(element),
 		};
 		const children = await this.client.sendRequest(Proposed.TypeHierarchySubtypesRequest.type, params, this.token);
 		const childrenCodeItems = [];