Update the title when changing the problem (#214)

Author: jdneo

src/leetCodePreviewProvider.ts

@@ -12,9 +12,7 @@ class LeetCodePreviewProvider implements Disposable {
 
     public async preview(node: IProblem): Promise<void> {
         if (!this.panel) {
-            const panelType: string = "previewProblem";
-            const panelTitle: string = node.name;
-            this.panel = window.createWebviewPanel(panelType, panelTitle, ViewColumn.Active, {
+            this.panel = window.createWebviewPanel("leetcode.preview", "Preview Problem", ViewColumn.Active, {
                 enableScripts: true,
                 enableCommandUris: true,
                 enableFindWidget: true,
@@ -35,6 +33,8 @@ class LeetCodePreviewProvider implements Disposable {
             }
         });
         this.panel.webview.html = await this.provideHtmlContent(node);
+        this.panel.title = node.name;
+        this.panel.reveal();
     }
 
     public dispose(): void {

src/leetCodeResultProvider.ts

@@ -14,7 +14,7 @@ class LeetCodeResultProvider implements Disposable {
 
     public async show(result: string): Promise<void> {
         if (!this.panel) {
-            this.panel = window.createWebviewPanel("leetCode", "LeetCode Results", ViewColumn.Two, {
+            this.panel = window.createWebviewPanel("leetcode.result", "LeetCode Results", ViewColumn.Two, {
                 retainContextWhenHidden: true,
                 enableFindWidget: true,
             });

src/leetCodeSolutionProvider.ts

@@ -40,7 +40,7 @@ class LeetCodeSolutionProvider implements Disposable {
 
     public async show(solutionString: string, problem: IProblem): Promise<void> {
         if (!this.panel) {
-            this.panel = window.createWebviewPanel("leetCode", "Top voted solution", ViewColumn.Active, {
+            this.panel = window.createWebviewPanel("leetCode.solution", "Top Voted Solution", ViewColumn.Active, {
                 retainContextWhenHidden: true,
                 enableFindWidget: true,
                 localResourceRoots: [vscode.Uri.file(path.join(this.markdownPath, "media"))],