Add language support for DevChat interface

package.json

@@ -551,6 +551,16 @@
 					"type": "string",
 					"default": "",
 					"description": "Path to the Python virtual environment for AskCode."
+				},
+				"DevChat.Language": {
+					"type": "string",
+					"default": "en",
+					"enum": ["en", "zh-cn"],
+					"enumDescriptions": [
+						"English",
+						"Simplified Chinese"
+					],
+					"description": "The language used for DevChat interface."
 				}
 			}
 		},

src/handler/handlerRegister.ts

@@ -15,6 +15,7 @@ import { getSetting, updateSetting } from './userSettingHandler';
 import { featureToggle, getFeatureToggles } from './featureToggleHandler';
 import { getUserAccessKey } from './accessKeyHandler';
 import { getValidLlmModelList } from './llmModelHandler';
+import { getIdeLanguage } from './langHandler';
 
 
 // According to the context menu selected by the user, add the corresponding context file
@@ -78,3 +79,5 @@ messageHandler.registerHandler('getUserAccessKey', getUserAccessKey);
 messageHandler.registerHandler('regModelList', getValidLlmModelList);
 
 messageHandler.registerHandler('userInput', userInput);
+
+messageHandler.registerHandler('getIdeLanguage', getIdeLanguage);

src/handler/langHandler.ts

@@ -0,0 +1,22 @@
+import * as vscode from 'vscode';
+import { regInMessage, regOutMessage } from '../util/reg_messages'; // Ensure these functions are imported
+import { MessageHandler } from './messageHandler';
+
+// Register the incoming and outgoing messages for the 'getIdeLanguage' command
+regInMessage({ command: 'getIdeLanguage' });
+regOutMessage({ command: 'ideLanguage', lang: "" }); // Placeholder for the lang property
+// Implement the handler function to get the current IDE language setting
+export async function getIdeLanguage(panel: vscode.WebviewPanel | vscode.WebviewView): Promise<void> {
+    // Get the current IDE language setting
+    const ideLanguage = vscode.env.language;
+	// 'en' stands for English, 'zh-cn' stands for Simplified Chinese
+
+    // Construct the message with the language information
+    const langMessage = {
+        "command": "ideLanguage",
+        "lang": ideLanguage
+    };
+
+    // Send the message to the webview panel or view
+    MessageHandler.sendMessage(panel, langMessage);
+}

src/ide_services/services.ts

@@ -33,8 +33,8 @@ const functionRegistry: any = {
 	"/ide_language": {
 		"keys": [],
 		"handler": async () => {
-			const config = vscode.workspace.getConfiguration();
+			const language = vscode.env.language;
-			const language = config.get('workbench.editor.languageDetection') ? vscode.env.language : config.get('window.menuBarVisibility');
+			// 'en' stands for English, 'zh-cn' stands for Simplified Chinese
 			return language;
 		}
 	},