Update folder structure

src/app/components/tree/tree.component.ts

@@ -0,0 +1,43 @@
+import {Component, OnInit} from '@angular/core';
+import {NodeService} from '../../service/nodeservice';
+import {TreeNode} from 'primeng/api';
+
+@Component({
+    templateUrl: './tree.component.html'
+})
+export class TreeComponent implements OnInit {
+
+
+    files1: TreeNode[];
+
+    files2: TreeNode[];
+
+    files3: TreeNode[];
+
+    selectedFiles1: TreeNode;
+
+    selectedFiles2: TreeNode[];
+
+    selectedFiles3: TreeNode;
+
+    cols: any[];
+
+    constructor(private nodeService: NodeService) {}
+
+    ngOnInit() {
+        this.nodeService.getFiles().then(files => this.files1 = files);
+        this.nodeService.getFilesystem().then(files => this.files2 = files);
+        this.nodeService.getFiles().then(files => {
+            this.files3 = [{
+                label: 'Root',
+                children: files
+            }];
+        });
+
+        this.cols = [
+            { field: 'name', header: 'Name' },
+            { field: 'size', header: 'Size' },
+            { field: 'type', header: 'Type' }
+        ];
+    }
+}