refactor(extension): 重构 AI聊天扩展

.vscodeignore

@@ -3,6 +3,7 @@
 src/**
 .gitignore
 .yarnrc
+.idea
 vsc-extension-quickstart.md
 **/tsconfig.json
 **/eslint.config.mjs

src/extension.ts

@@ -3,7 +3,6 @@ import * as path from 'path';
 import * as diff from 'diff';
 
 // 定义全局变量来存储面板状态
-let panel: vscode.WebviewPanel | undefined;
 let currentSessionHistory: { role: string; content: string }[] = [];
 // 存储工作区变更的文件，包含状态信息
 let workspaceChanges: { 
@@ -24,9 +23,20 @@ export function activate(context: vscode.ExtensionContext) {
 
     statusBarItem.show();
 
-    // 注册打开 Webview 的命令
+    // 注册侧边栏视图提供商
+    const provider = new AISidebarViewProvider(context.extensionPath, context);
+    context.subscriptions.push(
+        vscode.window.registerWebviewViewProvider(
+            'ai-chat-sidebar-view',
+            provider,
+            { webviewOptions: { retainContextWhenHidden: true } }
+        )
+    );
+
+    // 注册打开 Webview 的命令（保持向后兼容）
     const openWebviewCommand = vscode.commands.registerCommand("ai-chat.openWebview", () => {
-        openWebview(context.extensionPath, context.globalState, context);
+        // 聚焦到主侧边栏视图
+        vscode.commands.executeCommand('workbench.action.focusSideBar');
     });
 
     // 注册右键菜单命令：添加选中内容到对话
@@ -46,147 +56,43 @@ export function activate(context: vscode.ExtensionContext) {
 
         const selectedText = editor.document.getText(selection);
 
-        // 检查 panel 是否存在
+        // 发送选中的代码到侧边栏视图
-        if (panel && panel.webview) {
+        provider.sendSelectedCode(selectedText);
-            panel.webview.postMessage({
-                command: 'addToInput',
-                role: 'user',
-                content: selectedText
-            });
-        } else {
-            vscode.window.showWarningMessage("请先打开对话窗口");
-        }
-    });
-
-    // 注册选择文件命令
-    const selectFileCommand = vscode.commands.registerCommand('ai-chat.selectFileAsContext', async () => {
-        const uris = await vscode.window.showOpenDialog({
-            canSelectFiles: true,
-            canSelectFolders: false,
-            canSelectMany: false, // 单选
-            title: "选择一个文件作为上下文"
-        });
-
-        if (uris && uris.length > 0) {
-            const selectedFileUri = uris[0];
-            const fileContent = await vscode.workspace.fs.readFile(selectedFileUri);
-            const decodedContent = new TextDecoder("utf-8").decode(fileContent);
-
-            // 发送文件内容到 Webview
-            if (panel && panel.webview) {
-                panel.webview.postMessage({
-                    command: 'setContextFile',
-                    fileName: selectedFileUri.fsPath,
-                    fileContent: decodedContent
-                });
-            }
-        }
     });
 
-    // 注册获取工作区文件列表的命令
+    // 添加到 subscriptions
-    const getFileListCommand = vscode.commands.registerCommand('ai-chat.getFileList', async () => {
+    context.subscriptions.push(statusBarItem, openWebviewCommand, addToChatCommand);
-        if (panel && panel.webview) {
-            try {
-                // 获取工作区根路径
-                const workspaceFolders = vscode.workspace.workspaceFolders;
-                if (!workspaceFolders || workspaceFolders.length === 0) {
-                    panel.webview.postMessage({
-                        command: 'fileList',
-                        files: [],
-                        error: '未找到工作区'
-                    });
-                    return;
 }
 
-                const rootPath = workspaceFolders[0].uri;
+class AISidebarViewProvider implements vscode.WebviewViewProvider {
+    public static readonly viewType = 'ai-chat-sidebar-view';
     
-                // 查找所有文件
+    private _view?: vscode.WebviewView;
-                const fileUris = await vscode.workspace.findFiles('**/*', '**/node_modules/**');
+    private _extensionPath: string;
+    private _context: vscode.ExtensionContext;
 
-                // 转换为相对路径和基本信息
+    constructor(extensionPath: string, context: vscode.ExtensionContext) {
-                const files = fileUris.map(uri => {
+        this._extensionPath = extensionPath;
-                    const relativePath = vscode.workspace.asRelativePath(uri);
+        this._context = context;
-                    const isDirectory = uri.path.endsWith('/');
-                    return {
-                        path: uri.fsPath,
-                        relativePath: relativePath,
-                        name: path.basename(uri.fsPath),
-                        isDirectory: isDirectory
-                    };
-                });
-
-                panel?.webview.postMessage({
-                    command: 'fileList',
-                    files: files
-                });
-            } catch (error: any) {
-                panel?.webview.postMessage({
-                    command: 'fileList',
-                    files: [],
-                    error: error.message
-                });
     }
-        }
-    });
 
-    // 添加到 subscriptions
+    public resolveWebviewView(
-    context.subscriptions.push(statusBarItem, openWebviewCommand, addToChatCommand,selectFileCommand,getFileListCommand);
+        webviewView: vscode.WebviewView,
-}
+        context: vscode.WebviewViewResolveContext,
-
+        _token: vscode.CancellationToken,
-function openWebview(
-    extensionPath: string,
-    globalState: vscode.Memento,
-    context: vscode.ExtensionContext // 添加 context 参数
     ) {
-    // 如果面板已经存在，直接显示它而不是创建新的
+        this._view = webviewView;
-    if (panel) {
-        panel.reveal(vscode.ViewColumn.Beside);
-        // 发送当前状态到 WebView
-        if (panel.webview) {
-            panel.webview.postMessage({
-                command: 'restoreState',
-                history: currentSessionHistory,
-                workspaceChanges: workspaceChanges
-            });
-        }
-        return;
-    }
 
-    panel = vscode.window.createWebviewPanel(
+        webviewView.webview.options = {
-        'aiChatWebview',
-        'AI Chat',
-        vscode.ViewColumn.Beside,
-        {
             enableScripts: true,
-            localResourceRoots: [vscode.Uri.file(path.join(extensionPath, 'media', 'webview'))]
+            localResourceRoots: [
-        }
+                vscode.Uri.file(path.join(this._extensionPath, 'media', 'webview'))
-    );
+            ]
-
+        };
-    const styleUri = panel.webview.asWebviewUri(
-        vscode.Uri.file(path.join(extensionPath, 'media', 'webview', 'style.css'))
-    );
-
-    const scriptUri = panel.webview.asWebviewUri(
-        vscode.Uri.file(path.join(extensionPath, 'media', 'webview', 'script.js'))
-    );
-
-    const highlightScriptUri = panel.webview.asWebviewUri(
-        vscode.Uri.file(path.join(extensionPath, 'media', 'webview', 'highlight.min.js'))
-    );
-
-    const highlightStyleUri = panel.webview.asWebviewUri(
-        vscode.Uri.file(path.join(extensionPath, 'media', 'webview', 'styles', 'atom-one-dark.css'))
-    );
-
-    const markedScriptUri = panel.webview.asWebviewUri(
-        vscode.Uri.file(path.join(context.extensionPath, 'media', 'webview', 'marked.min.js'))
-    );
-
 
-    panel.webview.html = getWebviewContent(styleUri, scriptUri,highlightScriptUri,highlightStyleUri,markedScriptUri);
+        webviewView.webview.html = this._getHtmlForWebview(webviewView.webview);
 
-    panel.webview.onDidReceiveMessage(
+        webviewView.webview.onDidReceiveMessage(async (message) => {
-        async (message) => {
             switch (message.command) {
                 case 'ask':
                     const question = message.text;
@@ -195,10 +101,10 @@ function openWebview(
 
                     currentSessionHistory = [...history, { role: 'user', content: question }];
 
-                    panel?.webview.postMessage({ command: 'addMessage', role: 'user', content: question });
+                    this._postMessage({ command: 'addMessage', role: 'user', content: question });
 
                     try {
-                        const response = await callQwenAPI(question, history, fileContent, context);
+                        const response = await callQwenAPI(question, history, fileContent, this._context);
                         console.log("response:", response);
                         const aiMessage = response.choices[0]?.message?.content || '未获取到回复';
 
@@ -215,7 +121,7 @@ function openWebview(
                             };
                             
                             // 通知 WebView 更新工作区文件列表
-                            panel?.webview.postMessage({
+                            this._postMessage({
                                 command: 'updateWorkspaceFiles',
                                 files: workspaceChanges
                             });
@@ -224,21 +130,20 @@ function openWebview(
                         // 更新当前会话历史
                         currentSessionHistory = [...currentSessionHistory, { role: 'assistant', content: aiMessage }];
 
-                        panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'addMessage',
                             role: 'ai',
                             content: aiMessage,
                             codeDiff: codeDiff // 发送代码差异信息
                         });
                     } catch (error: any) {
-                        panel?.webview.postMessage({ command: 'addMessage', role: 'ai', content: '调用失败：' + error.message });
+                        this._postMessage({ command: 'addMessage', role: 'ai', content: '调用失败：' + error.message });
                     }
 
-                    panel?.webview.postMessage({ command: 'hideLoading' });
+                    this._postMessage({ command: 'hideLoading' });
                     break;
                 case 'selectContextFile':
                     // 执行文件选择逻辑
-                    try {
                     const uris = await vscode.window.showOpenDialog({
                         canSelectFiles: true,
                         canSelectFolders: false,
@@ -251,20 +156,15 @@ function openWebview(
                         const fileContent = await vscode.workspace.fs.readFile(selectedFileUri);
                         const decodedContent = new TextDecoder("utf-8").decode(fileContent);
 
-                            panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'setContextFile',
                             fileName: selectedFileUri.fsPath,
                             fileContent: decodedContent
                         });
                     }
-                    } catch (error: any) {
-                        // 忽略错误
-                        console.error(`文件操作错误: ${error.message}`);
-                    }
                     break;
                 case 'getFileList':
                     // 执行获取文件列表逻辑
-                    try {
                     const workspaceFolders = vscode.workspace.workspaceFolders;
                     if (workspaceFolders && workspaceFolders.length > 0) {
                         const fileUris = await vscode.workspace.findFiles('**/*', '**/node_modules/**');
@@ -279,14 +179,11 @@ function openWebview(
                             };
                         });
 
-                            panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'fileList',
                             files: files
                         });
                     }
-                    } catch (error: any) {
-                        // 忽略错误
-                    }
                     break;
 
                 case 'selectFileByPath':
@@ -296,7 +193,7 @@ function openWebview(
                         const fileContent = await vscode.workspace.fs.readFile(fileUri);
                         const decodedContent = new TextDecoder("utf-8").decode(fileContent);
 
-                        panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'setContextFile',
                             fileName: fileUri.fsPath,
                             fileContent: decodedContent
@@ -354,7 +251,7 @@ function openWebview(
                         }
                         
                         // 通知 WebView 更新工作区文件列表
-                        panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'updateWorkspaceFiles',
                             files: workspaceChanges
                         });
@@ -375,7 +272,7 @@ function openWebview(
                         }
                         
                         // 通知 WebView 更新工作区文件列表
-                        panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'updateWorkspaceFiles',
                             files: workspaceChanges
                         });
@@ -418,7 +315,7 @@ function openWebview(
                     break;
                 case 'getCodeChanges':
                     // 获取代码变更
-                    panel?.webview.postMessage({
+                    this._postMessage({
                         command: 'codeChanges',
                         changes: workspaceChanges
                     });
@@ -429,7 +326,7 @@ function openWebview(
                     
                     // 恢复显示历史消息
                     currentSessionHistory.forEach(msg => {
-                        panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'addMessage',
                             role: msg.role,
                             content: msg.content,
@@ -439,23 +336,56 @@ function openWebview(
                     
                     // 恢复工作区变更
                     if (message.workspaceChanges) {
-                        panel?.webview.postMessage({
+                        this._postMessage({
                             command: 'updateWorkspaceFiles',
                             files: message.workspaceChanges
                         });
                     }
                     break;
             }
-        },
+        });
-        undefined,
+    }
-        context.subscriptions
+
+    public sendSelectedCode(code: string) {
+        if (this._view) {
+            this._view.show?.(true);
+            this._postMessage({
+                command: 'addToInput',
+                role: 'user',
+                content: code
+            });
+        }
+    }
+
+    private _getHtmlForWebview(webview: vscode.Webview) {
+        const styleUri = webview.asWebviewUri(
+            vscode.Uri.file(path.join(this._extensionPath, 'media', 'webview', 'style.css'))
         );
 
-    // // 添加 dispose 监听器
+        const scriptUri = webview.asWebviewUri(
-    panel.onDidDispose(() => {
+            vscode.Uri.file(path.join(this._extensionPath, 'media', 'webview', 'script.js'))
-        // 不再清空会话历史，让用户在重新打开面板时保留上下文
+        );
-        panel = undefined;
+
-    }, null, context.subscriptions);
+        const highlightScriptUri = webview.asWebviewUri(
+            vscode.Uri.file(path.join(this._extensionPath, 'media', 'webview', 'highlight.min.js'))
+        );
+
+        const highlightStyleUri = webview.asWebviewUri(
+            vscode.Uri.file(path.join(this._extensionPath, 'media', 'webview', 'styles', 'atom-one-dark.css'))
+        );
+
+        const markedScriptUri = webview.asWebviewUri(
+            vscode.Uri.file(path.join(this._extensionPath, 'media', 'webview', 'marked.min.js'))
+        );
+
+        return getWebviewContent(styleUri, scriptUri, highlightScriptUri, highlightStyleUri, markedScriptUri);
+    }
+
+    private _postMessage(message: any) {
+        if (this._view) {
+            this._view.webview.postMessage(message);
+        }
+    }
 }
 
 async function callQwenAPI(