Refactor to use workspace folders

Signed-off-by: Sanjula Ganepola <sanjulagane@gmail.com>

src/views/settings/containerEngines.ts

@@ -1,16 +1,25 @@
-import { ThemeIcon, TreeItem, TreeItemCollapsibleState } from "vscode";
+import { ThemeIcon, TreeItem, TreeItemCollapsibleState, WorkspaceFolder } from "vscode";
+import { act } from "../../extension";
 import { GithubLocalActionsTreeItem } from "../githubLocalActionsTreeItem";
+import ContainerEngineTreeItem from "./containerEngine";
 
 export default class ContainerEnginesTreeItem extends TreeItem implements GithubLocalActionsTreeItem {
     static contextValue = 'githubLocalActions.containerEngines';
 
-    constructor() {
+    constructor(public workspaceFolder: WorkspaceFolder) {
         super('Container Engines', TreeItemCollapsibleState.Collapsed);
         this.contextValue = ContainerEnginesTreeItem.contextValue;
         this.iconPath = new ThemeIcon('server-process');
     }
 
     async getChildren(): Promise<GithubLocalActionsTreeItem[]> {
-        return [];
+        const items: GithubLocalActionsTreeItem[] = [];
+
+        const containerEngines = act.settingsManager.getSettings(this.workspaceFolder).containerEngines;
+        for (const containerEngine of containerEngines) {
+            items.push(new ContainerEngineTreeItem(this.workspaceFolder, containerEngine));
+        }
+
+        return items;
     }
 }