From 927481a46d30813cfa0b78a732f615c24ece9380 Mon Sep 17 00:00:00 2001
From: "sheche@microsoft.com" <Szbn11dtsb`>
Date: Fri, 23 Feb 2018 14:09:48 +0800
Subject: [PATCH 1/2] support setting the default language preference

---
 package.json         | 36 +++++++++++++++++++++++++++++++++++-
 src/commands/show.ts | 19 +++++++++++++++++--
 src/utils/uiUtils.ts |  1 +
 3 files changed, 53 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index 9f57bfcd..29f1226c 100644
--- a/package.json
+++ b/package.json
@@ -118,7 +118,41 @@
                     "when": "never"
                 }
             ]
-        }
+        },
+        "configuration": [
+            {
+                "title": "LeetCode",
+                "properties": {
+                    "leetcode.defaultLanguage": {
+                        "type": "string",
+                        "enum": [
+                            "bash",
+                            "c",
+                            "cpp",
+                            "csharp",
+                            "golang",
+                            "java",
+                            "javascript",
+                            "kotlin",
+                            "mysql",
+                            "python",
+                            "python3",
+                            "ruby",
+                            "scala",
+                            "swift"
+                        ],
+                        "scope": "window",
+                        "description": "Default language preference for solving the problems."
+                    },
+                    "leetcode.showSetDefaultLanguageHint": {
+                        "type": "boolean",
+                        "default": true,
+                        "scope": "window",
+                        "description": "Show a hint to let user set the default language preference."
+                    }
+                }
+            }
+        ]
     },
     "scripts": {
         "vscode:prepublish": "npm run compile",
diff --git a/src/commands/show.ts b/src/commands/show.ts
index 2f0cfffd..b361db1d 100644
--- a/src/commands/show.ts
+++ b/src/commands/show.ts
@@ -6,7 +6,7 @@ import { LeetCodeNode } from "../leetCodeExplorer";
 import { leetCodeManager } from "../leetCodeManager";
 import { IQuickItemEx, languages, leetCodeBinaryPath } from "../shared";
 import { executeCommand } from "../utils/cpUtils";
-import { DialogType, promptForOpenOutputChannel, promptForSignIn } from "../utils/uiUtils";
+import { DialogOptions, DialogType, promptForOpenOutputChannel, promptForSignIn } from "../utils/uiUtils";
 import { selectWorkspaceFolder } from "../utils/workspaceUtils";
 import * as list from "./list";
 
@@ -37,10 +37,25 @@ export async function searchProblem(channel: vscode.OutputChannel): Promise<void
 
 async function showProblemInternal(channel: vscode.OutputChannel, id: string): Promise<void> {
     try {
-        const language: string | undefined = await vscode.window.showQuickPick(languages, { placeHolder: "Select the language you want to use" });
+        const leetCodeConfig: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("leetcode");
+        const defaultLanguage = leetCodeConfig.get<string>("defaultLanguage");
+        const language: string | undefined = defaultLanguage || await vscode.window.showQuickPick(languages, { placeHolder: "Select the language you want to use" });
         if (!language) {
             return;
         }
+        if (!defaultLanguage && leetCodeConfig.get<boolean>("showSetDefaultLanguageHint")) {
+            const choice: vscode.MessageItem | undefined = await vscode.window.showInformationMessage(
+                `Would you like to set '${language}' as your default language?`,
+                DialogOptions.yes,
+                DialogOptions.no,
+                DialogOptions.never,
+            );
+            if (choice === DialogOptions.yes) {
+                leetCodeConfig.update("defaultLanguage", language, true /* UserSetting */);
+            } else if (choice === DialogOptions.never) {
+                leetCodeConfig.update("showSetDefaultLanguageHint", false, true /* UserSetting */);
+            }
+        }
         const outdir: string = await selectWorkspaceFolder();
         await fse.ensureDir(outdir);
         const result: string = await executeCommand(channel, "node", [leetCodeBinaryPath, "show", id, "-gx", "-l", language, "-o", outdir]);
diff --git a/src/utils/uiUtils.ts b/src/utils/uiUtils.ts
index 265a9cf9..b1e804e9 100644
--- a/src/utils/uiUtils.ts
+++ b/src/utils/uiUtils.ts
@@ -7,6 +7,7 @@ export namespace DialogOptions {
     export const open: vscode.MessageItem = { title: "Open" };
     export const yes: vscode.MessageItem = { title: "Yes" };
     export const no: vscode.MessageItem = { title: "No", isCloseAffordance: true };
+    export const never: vscode.MessageItem = { title: "Never" };
     export const singUp: vscode.MessageItem = { title: "Sign up" };
 }
 

From 83416f806bf8fbd9bd9acfcef4d7bfa78994393f Mon Sep 17 00:00:00 2001
From: "sheche@microsoft.com" <Szbn11dtsb`>
Date: Fri, 23 Feb 2018 14:17:58 +0800
Subject: [PATCH 2/2] add check for default language

---
 src/commands/show.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/commands/show.ts b/src/commands/show.ts
index b361db1d..100a1929 100644
--- a/src/commands/show.ts
+++ b/src/commands/show.ts
@@ -38,7 +38,10 @@ export async function searchProblem(channel: vscode.OutputChannel): Promise<void
 async function showProblemInternal(channel: vscode.OutputChannel, id: string): Promise<void> {
     try {
         const leetCodeConfig: vscode.WorkspaceConfiguration = vscode.workspace.getConfiguration("leetcode");
-        const defaultLanguage = leetCodeConfig.get<string>("defaultLanguage");
+        let defaultLanguage = leetCodeConfig.get<string>("defaultLanguage");
+        if (defaultLanguage && languages.indexOf(defaultLanguage) < 0) {
+            defaultLanguage = undefined;
+        }
         const language: string | undefined = defaultLanguage || await vscode.window.showQuickPick(languages, { placeHolder: "Select the language you want to use" });
         if (!language) {
             return;

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