[front] add loader + overlay on edit loading

client/src/app/app.component.html

@@ -1,3 +1,4 @@
+<loader></loader>
 <toaster-container></toaster-container>
 <md-sidenav-layout>
 

client/src/app/app.module.ts

@@ -1,3 +1,5 @@
+import { LoaderService } from './loader/loader.service';
+import { LoaderModule } from './loader/loader.module';
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
@@ -105,13 +107,15 @@ export function createTranslateLoader(http: Http) {
     ToasterModule,
     TextMaskModule,
     BrowserAnimationsModule,
+    LoaderModule,
   ],
   providers: [
     IsariDataService,
     UserService,
     LoggedInGuard,
     OrganizationResolver,
     StorageService,
+    LoaderService,
   ],
   entryComponents: [
     AppComponent,

client/src/app/isari-editor/isari-editor.component.ts

@@ -1,3 +1,4 @@
+import { LoaderService } from './../loader/loader.service';
 import { Component, OnInit, ViewContainerRef, Input, HostListener, Inject } from '@angular/core';
 import { Title } from '@angular/platform-browser';
 import { ActivatedRoute, Router, ParamMap } from '@angular/router';
@@ -68,7 +69,8 @@ export class IsariEditorComponent implements OnInit {
     private toasterService: ToasterService,
     private viewContainerRef: ViewContainerRef,
     private titleService: Title,
-    private dialog: MdDialog) {
+    private dialog: MdDialog,
+    private loaderService: LoaderService) {
       PageScrollConfig.defaultScrollOffset = 50;
       PageScrollConfig.defaultDuration = 500;
     }
@@ -101,6 +103,7 @@ export class IsariEditorComponent implements OnInit {
         .map((event: LangChangeEvent) => event.lang)
         .startWith(this.translate.currentLang)
     ).subscribe(([{ feature, id }, restrictedFields, lang]) => {
+      this.loaderService.show();
       this.feature = feature;
       this.id = id;
       Promise.all([
@@ -151,6 +154,7 @@ export class IsariEditorComponent implements OnInit {
 
         // scroll to form
         setTimeout(() => {
+          this.loaderService.hide();
           let pageScrollInstance: PageScrollInstance = PageScrollInstance.simpleInstance(this.document, '#form');
           this.pageScrollService.start(pageScrollInstance);
         });

client/src/app/loader/loader.module.ts

@@ -0,0 +1,12 @@
+import { NgModule } from "@angular/core";
+import { CommonModule } from "@angular/common";
+import { LoaderComponent } from "./loader/loader.component";
+
+@NgModule({
+  imports: [CommonModule],
+  declarations: [LoaderComponent],
+  exports: [LoaderComponent]
+})
+export class LoaderModule {}
+
+export { LoaderService } from "./loader.service";

client/src/app/loader/loader.service.spec.ts

@@ -0,0 +1,15 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { LoaderService } from './loader.service';
+
+describe('LoaderService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [LoaderService]
+    });
+  });
+
+  it('should be created', inject([LoaderService], (service: LoaderService) => {
+    expect(service).toBeTruthy();
+  }));
+});

client/src/app/loader/loader.service.ts

@@ -0,0 +1,20 @@
+import { Observable } from 'rxjs/Observable';
+import { BehaviorSubject } from 'rxjs';
+import { Injectable } from '@angular/core';
+
+@Injectable()
+export class LoaderService {
+  private _loader$: BehaviorSubject<boolean>  = new BehaviorSubject(false);
+  public loader$: Observable<boolean> = this._loader$.asObservable();
+
+  constructor() { }
+
+  hide() {
+    this._loader$.next(false);
+  }
+
+  show() {
+    this._loader$.next(true);
+  }
+
+}

client/src/app/loader/loader/loader.component.css

@@ -0,0 +1,63 @@
+.overlay{
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 10;
+  background-color: rgba(0,0,0,0.2);
+  display: flex;
+  justify-content: center;
+}
+
+/* .loader {
+  position: fixed;
+  display: flex;
+  top: 0;
+  z-index: 11;
+  padding: 0;
+  justify-content: center;
+  width: 20%;
+  margin: 0 40%;
+} */
+
+.loader,
+.loader:after {
+  border-radius: 50%;
+  width: 4em;
+  height: 4em;
+}
+.loader {
+  margin: 60px auto;
+  font-size: 10px;
+  position: fixed;
+  border-top: .5em solid rgba(254,0,0, 0.2);
+  border-right: .5em solid rgba(254,0,0, 0.2);
+  border-bottom: .5em solid rgba(254,0,0, 0.2);
+  border-left: .5em solid #E6142D;
+  -webkit-transform: translateZ(0);
+  -ms-transform: translateZ(0);
+  transform: translateZ(0);
+  -webkit-animation: load8 1.1s infinite linear;
+  animation: load8 1.1s infinite linear;
+}
+@-webkit-keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg);
+  }
+}
+@keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg);
+  }
+}

client/src/app/loader/loader/loader.component.html

@@ -0,0 +1,3 @@
+<div class="overlay" *ngIf="loader$ | async">
+  <div class="loader"></div>
+</div>

client/src/app/loader/loader/loader.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { LoaderComponent } from './loader.component';
+
+describe('LoaderComponent', () => {
+  let component: LoaderComponent;
+  let fixture: ComponentFixture<LoaderComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ LoaderComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LoaderComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

client/src/app/loader/loader/loader.component.ts

@@ -0,0 +1,18 @@
+import { Observable } from 'rxjs/Observable';
+import { LoaderService } from './../loader.service';
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'loader',
+  templateUrl: './loader.component.html',
+  styleUrls: ['./loader.component.css']
+})
+export class LoaderComponent {
+
+  loader$: Observable<boolean>;
+
+  constructor(private loaderService: LoaderService) {
+    this.loader$ = loaderService.loader$;
+  }
+
+}