feat: Add 'delete' into the view context menu

package.json

@@ -139,6 +139,11 @@
         "command": "java.view.package.newPackage",
         "title": "%contributes.commands.java.view.package.newPackage%",
         "category": "Java"
+      },
+      {
+        "command": "java.view.package.moveFileToTrash",
+        "title": "%contributes.commands.java.view.package.moveFileToTrash%",
+        "category": "Java"
       }
     ],
     "configuration": {
@@ -176,6 +181,13 @@
         }
       }
     },
+    "keybindings": [
+      {
+        "command": "java.view.package.moveFileToTrash",
+        "key": "delete",
+        "when": "java:projectManagerActivated && focusedView == javaProjectExplorer"
+      }
+    ],
     "menus": {
       "commandPalette": [
         {
@@ -234,6 +246,10 @@
           "command": "java.view.package.newPackage",
           "when": "false"
         },
+        {
+          "command": "java.view.package.moveFileToTrash",
+          "when": "false"
+        },
         {
           "command": "java.project.build.workspace",
           "when": "false"
@@ -322,17 +338,32 @@
         {
           "command": "java.view.package.revealFileInOS",
           "when": "view == javaProjectExplorer && viewItem =~ /java:(?=.*?\\b\\+uri\\b)/",
-          "group": "path@10"
+          "group": "6_copypath@10"
         },
         {
           "command": "java.view.package.copyFilePath",
           "when": "view == javaProjectExplorer && viewItem =~ /java:(?=.*?\\b\\+uri\\b)/",
-          "group": "path@20"
+          "group": "6_copypath@20"
         },
         {
           "command": "java.view.package.copyRelativeFilePath",
           "when": "view == javaProjectExplorer && viewItem =~ /java:(?=.*?\\b\\+uri\\b)/",
-          "group": "path@25"
+          "group": "6_copypath@25"
+        },
+        {
+          "command": "java.view.package.moveFileToTrash",
+          "when": "view == javaProjectExplorer && viewItem =~ /java:(package|packageRoot)(?=.*?\\b\\+source\\b)(?=.*?\\b\\+uri\\b)/",
+          "group": "7_modification@10"
+        },
+        {
+          "command": "java.view.package.moveFileToTrash",
+          "when": "view == javaProjectExplorer && viewItem =~ /java:file(?=.*?\\b\\+uri\\b)/",
+          "group": "7_modification@10"
+        },
+        {
+          "command": "java.view.package.moveFileToTrash",
+          "when": "view == javaProjectExplorer && viewItem =~ /java:type(?=.*?\\b\\+uri\\b)/",
+          "group": "7_modification@10"
         },
         {
           "command": "java.view.package.newJavaClass",

package.nls.json

@@ -17,6 +17,7 @@
   "contributes.commands.java.view.package.copyRelativeFilePath": "Copy Relative Path",
   "contributes.commands.java.view.package.newJavaClass": "New Java Class",
   "contributes.commands.java.view.package.newPackage": "New Package",
+  "contributes.commands.java.view.package.moveFileToTrash": "Delete",
   "configuration.java.dependency.showMembers": "Show the members in the explorer",
   "configuration.java.dependency.syncWithFolderExplorer": "Synchronize Java Projects explorer selection with folder explorer",
   "configuration.java.dependency.autoRefresh": "Synchronize Java Projects explorer with changes",

package.nls.zh.json

@@ -17,6 +17,7 @@
   "contributes.commands.java.view.package.copyRelativeFilePath": "复制相对路径",
   "contributes.commands.java.view.package.newJavaClass": "创建 Java 类",
   "contributes.commands.java.view.package.newPackage": "创建包",
+  "contributes.commands.java.view.package.moveFileToTrash": "删除",
   "configuration.java.dependency.showMembers": "在 Java 项目管理器中显示成员",
   "configuration.java.dependency.syncWithFolderExplorer": "在 Java 项目管理器中同步关联当前打开的文件",
   "configuration.java.dependency.autoRefresh": "在 Java 项目管理器中自动同步修改",

src/commands.ts

@@ -36,6 +36,8 @@ export namespace Commands {
 
     export const VIEW_PACKAGE_NEW_JAVA_PACKAGE = "java.view.package.newPackage";
 
+    export const VIEW_PACKAGE_MOVE_FILE_TO_TRASH = "java.view.package.moveFileToTrash";
+
     export const VIEW_PACKAGE_REVEAL_IN_PROJECT_EXPLORER = "java.view.package.revealInProjectExplorer";
 
     export const JAVA_PROJECT_CREATE = "java.project.create";

src/constants.ts

@@ -14,6 +14,8 @@ export namespace Explorer {
         PackageRoot = "packageRoot",
         Package = "package",
         Jar = "jar",
+        File = "file",
+        Type = "type",
     }
 }
 

src/explorerCommands/delete.ts

@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+import { Uri, window, workspace } from "vscode";
+import { DataNode } from "../views/dataNode";
+import { ExplorerNode } from "../views/explorerNode";
+import { shouldModifyNode } from "./utils";
+
+const confirmMessage = "Move to Recycle Bin";
+
+function getInformationMessage(name: string, isFolder: boolean): string {
+    const folderMsg = isFolder ? " and its contents" : "";
+    const msg = `Are you sure you want to delete \'${name}\'${folderMsg}?\n`;
+    const additionMsg = "You can restore from the Recycle Bin.";
+    return msg + additionMsg;
+}
+
+export async function deleteFiles(node: DataNode, selectedNode: ExplorerNode): Promise<void> {
+    // if command not invoked by context menu, use selected node in explorer
+    if (!node) {
+        node = selectedNode as DataNode;
+        // avoid delete dependency files
+        if (!shouldModifyNode(node)) {
+            return;
+        }
+    }
+
+    const children = await node.getChildren();
+    const isFolder = children && children.length !== 0;
+    const message = getInformationMessage(node.name, isFolder);
+
+    const answer: string | undefined = await window.showInformationMessage(
+        message,
+        { modal: true },
+        confirmMessage,
+    );
+
+    if (!answer) {
+        return;
+    }
+
+    if (answer === confirmMessage) {
+        workspace.fs.delete(Uri.parse(node.uri), {
+            recursive: true,
+            useTrash: true,
+        });
+    }
+}

src/explorerCommands/utils.ts

@@ -0,0 +1,13 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+import { DataNode } from "../views/dataNode";
+
+export function shouldModifyNode(node: DataNode): boolean {
+    const packageExp = /java:(package|packageRoot)(?=.*?\b\+source\b)(?=.*?\b\+uri\b)/;
+    const fileExp = /java:file(?=.*?\b\+uri\b)/;
+    const typeExp = /java:type(?=.*?\b\+uri\b)/;
+
+    const contextValue = node.computeContextValue();
+    return packageExp.test(contextValue) || fileExp.test(contextValue) || typeExp.test(contextValue);
+}

src/views/PrimaryTypeNode.ts

@@ -4,6 +4,7 @@
 import { Command, commands, DocumentSymbol, SymbolInformation, SymbolKind, TextDocument, ThemeIcon, Uri, workspace } from "vscode";
 import { createUuid, sendOperationEnd, sendOperationStart } from "vscode-extension-telemetry-wrapper";
 import { Commands } from "../commands";
+import { Explorer } from "../constants";
 import { INodeData, TypeKind } from "../java/nodeData";
 import { Settings } from "../settings";
 import { DataNode } from "./dataNode";
@@ -88,4 +89,17 @@ export class PrimaryTypeNode extends DataNode {
             arguments: [this.uri],
         };
     }
+
+    protected get contextValue(): string {
+        const context = Explorer.ContextValueType.Type;
+        const type = this.nodeData.metaData[PrimaryTypeNode.K_TYPE_KIND];
+
+        if (type === TypeKind.Enum) {
+            return `${context}+enum`;
+        } else if (type === TypeKind.Interface) {
+            return `${context}+interface`;
+        } else {
+            return `${context}+class`;
+        }
+    }
 }

src/views/dataNode.ts

@@ -74,7 +74,7 @@ export abstract class DataNode extends ExplorerNode {
         }
     }
 
-    protected computeContextValue(): string {
+    public computeContextValue(): string {
         let contextValue = this.contextValue;
         if (this.uri && this.uri.startsWith("file:")) {
             contextValue = `${contextValue || ""}+uri`;

src/views/dependencyDataProvider.ts

@@ -46,9 +46,9 @@ export class DependencyDataProvider implements TreeDataProvider<ExplorerNode> {
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.VIEW_PACKAGE_COPY_RELATIVE_FILE_PATH, (node: INodeData) =>
             commands.executeCommand("copyRelativeFilePath", Uri.parse(node.uri))));
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.VIEW_PACKAGE_OPEN_FILE, (uri) =>
-                commands.executeCommand(Commands.VSCODE_OPEN, Uri.parse(uri))));
+            commands.executeCommand(Commands.VSCODE_OPEN, Uri.parse(uri), { preserveFocus: true })));
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.VIEW_PACKAGE_OUTLINE, (uri, range) =>
-                window.showTextDocument(Uri.parse(uri), { selection: range })));
+            window.showTextDocument(Uri.parse(uri), { selection: range })));
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_BUILD_WORKSPACE, () =>
             commands.executeCommand(Commands.JAVA_BUILD_WORKSPACE)));
         context.subscriptions.push(instrumentOperationAsVsCodeCommand(Commands.JAVA_PROJECT_CLEAN_WORKSPACE, () =>

src/views/dependencyExplorer.ts

@@ -7,6 +7,7 @@ import { commands, Disposable, ExtensionContext, TextEditor, TreeView, TreeViewV
 import { instrumentOperationAsVsCodeCommand } from "vscode-extension-telemetry-wrapper";
 import { Commands } from "../commands";
 import { Build } from "../constants";
+import { deleteFiles } from "../explorerCommands/delete";
 import { isStandardServerReady } from "../extension";
 import { Jdtls } from "../java/jdtls";
 import { INodeData } from "../java/nodeData";
@@ -72,6 +73,13 @@ export class DependencyExplorer implements Disposable {
                 this.reveal(uri);
             }),
         );
+
+        context.subscriptions.push(
+            instrumentOperationAsVsCodeCommand(Commands.VIEW_PACKAGE_MOVE_FILE_TO_TRASH, (node: DataNode) => {
+                const firstSelectedNode = this._dependencyViewer.selection[0];
+                deleteFiles(node, firstSelectedNode);
+            }),
+        );
     }
 
     public dispose(): void {

src/views/fileNode.ts

@@ -3,6 +3,7 @@
 
 import { Command, ThemeColor, ThemeIcon, TreeItem, TreeItemCollapsibleState } from "vscode";
 import { Commands } from "../commands";
+import { Explorer } from "../constants";
 import { INodeData } from "../java/nodeData";
 import { DataNode } from "./dataNode";
 import { ExplorerNode } from "./explorerNode";
@@ -35,4 +36,8 @@ export class FileNode extends DataNode {
             arguments: [this.uri],
         };
     }
+
+    protected get contextValue(): string {
+        return Explorer.ContextValueType.File;
+    }
 }