finalised edit item page

src/app/shared/utils/auto-focus.directive.ts

@@ -0,0 +1,22 @@
+import { Directive, AfterViewInit, ElementRef, Input } from '@angular/core';
+import { isNotEmpty } from '../empty.util';
+
+@Directive({
+  selector: '[dsAutoFocus]'
+})
+export class AutoFocusDirective implements AfterViewInit {
+
+  @Input() autoFocusSelector: string;
+
+  constructor(private el: ElementRef) {
+  }
+
+  ngAfterViewInit() {
+    if (isNotEmpty(this.autoFocusSelector)) {
+      return this.el.nativeElement.querySelector(this.autoFocusSelector).focus();
+
+    } else {
+      return this.el.nativeElement.focus();
+    }
+  }
+}