Using hide/show instead of disposing

Author: jdneo

README.md

@@ -137,6 +137,7 @@
 | `leetcode.useWsl` | Specify whether to use WSL or not | `false` |
 | `leetcode.endpoint` | Specify the active endpoint. Supported endpoints are: `leetcode`, `leetcode-cn` | `leetcode` |
 | `leetcode.outputFolder`| Specify the relative path to save the problem files. Besides using customized path, there are also several reserved words which can be used here: <ul><li>`${tag}`: Categorize the problem according to their tags.<li>`${language}`: Categorize the problem according to their language.</li><li>`${difficulty}`: Categorize the problem according to their difficulty.</li></ul> | N/A |
+| `leetcode.enableStatusBar` | Specify whether the LeetCode status bar will be shown or not. | `true` |
 
 ## Troubleshooting
 When you meet any problem, you can check the [Troubleshooting Page](https://github.com/jdneo/vscode-leetcode/wiki/Troubleshooting) first.

docs/README_zh-CN.md

@@ -137,6 +137,7 @@
 | `leetcode.useWsl` | 指定是否启用 WSL | `false` |
 | `leetcode.endpoint` | 指定使用的终端，可用终端有：`leetcode`, `leetcode-cn` | `leetcode` |
 | `leetcode.outputFolder` | 指定保存文件时所用的相对文件夹路径。除了用户自定义路径外，也可以使用保留项，包括：<ul><li>`${tag}`: 根据题目的类别进行分类。<li>`${language}`: 根据题目的语言进行分类。</li><li>`${difficulty}`: 根据题目的难度进行分类。</li></ul> | N/A |
+| `leetcode.enableStatusBar` | 指定是否在 VS Code 下方显示插件状态栏。 | `true` |
 
 ## 疑难解答
 在遇到任何问题时，可以先查看一下[疑难解答](https://github.com/jdneo/vscode-leetcode/wiki/%E7%96%91%E9%9A%BE%E8%A7%A3%E7%AD%94)文档寻求帮助。

src/statusbar/LeetCodeStatusBarItem.ts

@@ -25,6 +25,14 @@ export class LeetCodeStatusBarItem implements vscode.Disposable {
         }
     }
 
+    public show(): void {
+        this.statusBarItem.show();
+    }
+
+    public hide(): void {
+        this.statusBarItem.hide();
+    }
+
     public dispose(): void {
         this.statusBarItem.dispose();
     }

src/statusbar/leetCodeStatusBarController.ts

@@ -2,29 +2,20 @@
 // Licensed under the MIT license.
 
 import { ConfigurationChangeEvent, Disposable, workspace, WorkspaceConfiguration } from "vscode";
-import { leetCodeManager } from "../leetCodeManager";
 import { UserStatus } from "../shared";
 import { LeetCodeStatusBarItem } from "./LeetCodeStatusBarItem";
 
 class LeetCodeStatusBarController implements Disposable {
-    private statusBar: LeetCodeStatusBarItem | undefined;
+    private statusBar: LeetCodeStatusBarItem;
     private configurationChangeListener: Disposable;
 
     constructor() {
-        if (this.isStatusBarEnabled()) {
-            this.statusBar = new LeetCodeStatusBarItem();
-        }
+        this.statusBar = new LeetCodeStatusBarItem();
+        this.setStatusBarVisibility();
 
         this.configurationChangeListener = workspace.onDidChangeConfiguration((event: ConfigurationChangeEvent) => {
             if (event.affectsConfiguration("leetcode.enableStatusBar")) {
-                const isStatusBarEnabled: boolean = this.isStatusBarEnabled();
-                if (isStatusBarEnabled && this.statusBar === undefined) {
-                    this.statusBar = new LeetCodeStatusBarItem();
-                    this.statusBar.updateStatusBar(leetCodeManager.getStatus(), leetCodeManager.getUser());
-                } else if (!isStatusBarEnabled && this.statusBar !== undefined) {
-                    this.statusBar.dispose();
-                    this.statusBar = undefined;
-                }
+                this.setStatusBarVisibility();
             }
         }, this);
     }
@@ -36,12 +27,18 @@ class LeetCodeStatusBarController implements Disposable {
     }
 
     public dispose(): void {
-        if (this.statusBar) {
-            this.statusBar.dispose();
-        }
+        this.statusBar.dispose();
         this.configurationChangeListener.dispose();
     }
 
+    private setStatusBarVisibility(): void {
+        if (this.isStatusBarEnabled()) {
+            this.statusBar.show();
+        } else {
+            this.statusBar.hide();
+        }
+    }
+
     private isStatusBarEnabled(): boolean {
         const configuration: WorkspaceConfiguration = workspace.getConfiguration();
         return configuration.get<boolean>("leetcode.enableStatusBar", false);