refactor: add type ProfilesMenu (#950)

src/explorer/MavenExplorerProvider.ts

@@ -63,14 +63,17 @@ export class MavenExplorerProvider implements TreeDataProvider<ITreeItem> {
         if (!vscode.workspace.isTrusted) {
             return undefined;
         }
-        if (element === undefined) {
+        if (element === undefined) { // Top level elements
             if (!vscode.workspace.workspaceFolders) {
                 return undefined;
             }
             if (vscode.workspace.workspaceFolders.length === 1) {
+                // single root workspace
                 return await new WorkspaceFolder(vscode.workspace.workspaceFolders[0]).getChildren();
+            } else {
+                // multi-root workspace
+                return vscode.workspace.workspaceFolders.map(workspaceFolder => new WorkspaceFolder(workspaceFolder));
             }
-            return vscode.workspace.workspaceFolders.map(workspaceFolder => new WorkspaceFolder(workspaceFolder));
         } else {
             return element.getChildren ? element.getChildren() : undefined;
         }

src/explorer/model/DependenciesMenu.ts

@@ -10,9 +10,9 @@ import { Dependency } from "./Dependency";
 import { HintNode } from "./HintNode";
 import { ITreeItem } from "./ITreeItem";
 import { MavenProject } from "./MavenProject";
-import { Menu } from "./Menu";
+import { ProjectMenu } from "./Menu";
 
-export class DependenciesMenu extends Menu implements ITreeItem {
+export class DependenciesMenu extends ProjectMenu implements ITreeItem {
     constructor(project: MavenProject) {
         super(project);
         this.name = "Dependencies";

src/explorer/model/FavoritesMenu.ts

@@ -2,13 +2,13 @@
 // Licensed under the MIT license.
 
 import * as vscode from "vscode";
-import { Menu } from "./Menu";
+import { ProjectMenu } from "./Menu";
 import { ITreeItem } from "./ITreeItem";
 import { MavenProject } from "./MavenProject";
 import { FavoriteCommand } from "./FavoriteCommand";
 import { Settings } from "../../Settings";
 
-export class FavoritesMenu extends Menu implements ITreeItem {
+export class FavoritesMenu extends ProjectMenu implements ITreeItem {
 
     constructor(project: MavenProject) {
         super(project);

src/explorer/model/LifecycleMenu.ts

@@ -6,9 +6,9 @@ import { DEFAULT_MAVEN_LIFECYCLES } from "../../completion/constants";
 import { ITreeItem } from "./ITreeItem";
 import { LifecyclePhase } from "./LifecyclePhase";
 import { MavenProject } from "./MavenProject";
-import { Menu } from "./Menu";
+import { ProjectMenu } from "./Menu";
 
-export class LifecycleMenu extends Menu implements ITreeItem {
+export class LifecycleMenu extends ProjectMenu implements ITreeItem {
 
     constructor(project: MavenProject) {
         super(project);

src/explorer/model/Menu.ts

@@ -10,10 +10,6 @@ const CONTEXT_VALUE: string = "maven:menu";
 export abstract class Menu implements ITreeItem {
     protected name: string;
 
-    constructor(
-        public project: MavenProject,
-    ) { }
-
     public abstract getChildren(): ITreeItem[] | undefined | Promise<ITreeItem[] | undefined>;
 
     public getContextValue(): string {
@@ -26,3 +22,11 @@ export abstract class Menu implements ITreeItem {
         return treeItem;
     }
 }
+
+export abstract class ProjectMenu extends Menu {
+    constructor(
+        public project: MavenProject,
+    ) {
+        super();
+    }
+}

src/explorer/model/PluginsMenu.ts

@@ -6,9 +6,9 @@ import { MavenExplorerProvider } from "../MavenExplorerProvider";
 import { ITreeItem } from "./ITreeItem";
 import { MavenPlugin } from "./MavenPlugin";
 import { MavenProject } from "./MavenProject";
-import { Menu } from "./Menu";
+import { ProjectMenu } from "./Menu";
 
-export class PluginsMenu extends Menu implements ITreeItem {
+export class PluginsMenu extends ProjectMenu implements ITreeItem {
     constructor(project: MavenProject) {
         super(project);
         this.name = "Plugins";

src/explorer/model/ProfilesMenu.ts

@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+import { ITreeItem } from "./ITreeItem";
+import { Menu } from "./Menu";
+
+export class ProfilesMenu extends Menu implements ITreeItem {
+    constructor() {
+        super();
+        this.name = "Profiles";
+    }
+
+    public getContextValue(): string {
+        return "maven:profilesMenu";
+    }
+
+    public getChildren() : any[] {
+        return [];
+    }
+}

src/explorer/model/WorkspaceFolder.ts

@@ -8,6 +8,7 @@ import { Settings } from "../../Settings";
 import { HintNode } from "./HintNode";
 import { ITreeItem } from "./ITreeItem";
 import { MavenProject } from "./MavenProject";
+// import { ProfilesMenu } from "./ProfilesMenu";
 
 const CONTEXT_VALUE: string = "maven:workspaceFolder";
 
@@ -21,6 +22,8 @@ export class WorkspaceFolder implements ITreeItem {
     }
 
     public async getChildren(): Promise<ITreeItem[]> {
+        const ret: ITreeItem[] = []; // TODO: show profiles menu when available
+        // const ret: ITreeItem[] = [new ProfilesMenu()];
         const allProjects: MavenProject[] = await MavenProjectManager.loadProjects(this.workspaceFolder);
         if (allProjects.length === 0) {
             return [new HintNode("No Maven project found.")];
@@ -28,12 +31,12 @@ export class WorkspaceFolder implements ITreeItem {
 
         switch (Settings.viewType()) {
             case "hierarchical":
-                return this.sortByName(allProjects.filter(m => !m.parent));
+                ret.push(...this.sortByName(allProjects.filter(m => !m.parent)));
             case "flat":
-                return this.sortByName(allProjects);
+                ret.push(...this.sortByName(allProjects));
             default:
-                return [];
         }
+        return ret;
     }
 
     public getTreeItem(): vscode.TreeItem | Thenable<vscode.TreeItem> {