adding loadingbar

frontend/app/app.component.ts

@@ -3,6 +3,7 @@ import {AuthenticationService} from "./model/network/authentication.service";
 import {UserDTO} from "../../common/entities/UserDTO";
 import {Router} from "@angular/router";
 
+
 @Component({
   selector: 'pi-gallery2-app',
   template: `<router-outlet></router-outlet>`,
@@ -31,4 +32,6 @@ export class AppComponent implements OnInit {
 
 
   }
+
+
 }

frontend/app/app.module.ts

@@ -32,6 +32,7 @@ import {ThumbnailManagerService} from "./gallery/thumnailManager.service";
 import {OverlayService} from "./gallery/overlay.service";
 import {Config} from "../../common/config/public/Config";
 import {LAZY_MAPS_API_CONFIG} from "@agm/core/services";
+import {SlimLoadingBarModule} from "ng2-slim-loading-bar";
 
 
 @Injectable()
@@ -49,7 +50,8 @@ export class GoogleMapsConfig {
     FormsModule,
     HttpModule,
     appRoutes,
-    AgmCoreModule.forRoot()
+    AgmCoreModule.forRoot(),
+    SlimLoadingBarModule.forRoot()
   ],
   declarations: [AppComponent,
     LoginComponent,

frontend/app/frame/frame.component.css

@@ -0,0 +1,9 @@
+.navbar {
+  margin-bottom: 0px;
+}
+
+ng2-slim-loading-bar {
+  margin-bottom: 20px;
+  display: block;
+}
+

frontend/app/frame/frame.component.html

@@ -8,7 +8,8 @@
         <span class="icon-bar"></span>
         <span class="icon-bar"></span>
       </button>
-            <a class="navbar-brand" href="#"><img src="assets/icon_inv.png" style="max-height: 26px; display: inline;"/> PiGallery2</a>
+      <a class="navbar-brand" href="#"><img src="assets/icon_inv.png" style="max-height: 26px; display: inline;"/>
+        PiGallery2</a>
     </div>
     <div id="navbar" class="collapse navbar-collapse">
       <ul class="nav navbar-nav">
@@ -29,4 +30,5 @@
     </div><!--/.nav-collapse -->
   </div>
 </nav>
+<ng2-slim-loading-bar></ng2-slim-loading-bar>
 <ng-content select="[body]"></ng-content>

frontend/app/frame/frame.component.ts

@@ -7,6 +7,7 @@ import {Config} from "../../../common/config/public/Config";
 @Component({
   selector: 'app-frame',
   templateUrl: './frame.component.html',
+  styleUrls: ['./frame.component.css'],
   providers: [RouterLink],
   encapsulation: ViewEncapsulation.Emulated
 })

frontend/app/gallery/grid/photo/photo.grid.gallery.component.ts

@@ -48,60 +48,12 @@ export class GalleryPhotoComponent implements IRenderable, OnInit, OnDestroy {
 
   ngOnInit() {
     this.thumbnail = this.thumbnailService.getThumbnail(this.gridPhoto);
-    /*  this.loading.show = true;
-     //set up before adding task to thumbnail generator
-     if (this.gridPhoto.isThumbnailAvailable()) {
-     this.image.src = this.gridPhoto.getThumbnailPath();
-     this.image.show = true;
-     } else if (this.gridPhoto.isReplacementThumbnailAvailable()) {
-     this.image.src = this.gridPhoto.getReplacementThumbnailPath();
-     this.image.show = true;
-     }*/
 
   }
 
-  /*
-   ngAfterViewInit() {
-   //schedule change after Angular checks the model
-   if (!this.gridPhoto.isThumbnailAvailable()) {
-   set Timeout(() => {
-
-   let listener: ThumbnailLoadingListener = {
-   onStartedLoading: () => { //onLoadStarted
-   this.loading.animate = true;
-   },
-   onLoad: () => {//onLoaded
-   this.image.src = this.gridPhoto.getThumbnailPath();
-   this.image.show = true;
-   this.loading.show = false;
-   this.thumbnailTask = null;
-   },
-   onError: (error) => {//onError
-   this.thumbnailTask = null;
-   //TODO: handle error
-   //TODO: not an error if its from cache
-   console.error("something bad happened");
-   console.error(error);
-   }
-   };
-   if (this.gridPhoto.isReplacementThumbnailAvailable()) {
-   this.thumbnailTask = this.thumbnailService.loadImage(this.gridPhoto, ThumbnailLoadingPriority.medium, listener);
-   } else {
-   this.thumbnailTask = this.thumbnailService.loadImage(this.gridPhoto, ThumbnailLoadingPriority.high, listener);
-   }
-
-
-   });
-   }
-   }*/
 
   ngOnDestroy() {
     this.thumbnail.destroy();
-    /*
-     if (this.thumbnailTask != null) {
-     this.thumbnailService.removeTask(this.thumbnailTask);
-     this.thumbnailTask = null;
-     }*/
   }
 
 
@@ -112,6 +64,9 @@ export class GalleryPhotoComponent implements IRenderable, OnInit, OnDestroy {
 
 
   onScroll() {
+    if (this.thumbnail.Available == true) {
+      return;
+    }
     let isInView = this.isInView();
     if (this.wasInView != isInView) {
       this.wasInView = isInView;

frontend/app/gallery/map/map.gallery.component.ts

@@ -19,7 +19,8 @@ export class GalleryMapComponent implements OnChanges, IRenderable {
   //TODO: fix zooming
   ngOnChanges() {
     this.mapPhotos = this.photos.filter(p => {
-      return p.metadata && p.metadata.positionData && p.metadata.positionData.GPSData;
+      return p.metadata && p.metadata.positionData && p.metadata.positionData.GPSData &&
+        p.metadata.positionData.GPSData.latitude && p.metadata.positionData.GPSData.longitude;
     }).map(p => {
       return {
         latitude: p.metadata.positionData.GPSData.latitude,
@@ -31,7 +32,6 @@ export class GalleryMapComponent implements OnChanges, IRenderable {
       this.mapCenter = this.mapPhotos[0];
     }
 
-
   }
 
   click() {

frontend/app/gallery/thumnailManager.service.ts

@@ -30,6 +30,7 @@ export abstract class ThumbnailBase {
   protected available: boolean = false;
   protected src: string = null;
   protected loading: boolean = false;
+  protected error: boolean = true;
   protected onLoad: Function = null;
   protected thumbnailTask: ThumbnailTaskEntity;
 
@@ -70,6 +71,7 @@ export class IconThumbnail extends ThumbnailBase {
   constructor(private photo: IconPhoto, thumbnailService: ThumbnailLoaderService) {
     super(thumbnailService);
     this.src = "";
+    this.error = false;
     if (this.photo.isIconAvailable()) {
       this.src = this.photo.getIconPath();
       this.available = true;
@@ -92,6 +94,8 @@ export class IconThumbnail extends ThumbnailBase {
           },
           onError: (error) => {//onError
             this.thumbnailTask = null;
+            this.loading = false;
+            this.error = true;
             //TODO: handle error
             //TODO: not an error if its from cache
             console.error("something bad happened");

frontend/app/model/network/network.service.ts

@@ -3,12 +3,13 @@ import {Headers, Http, RequestOptions} from "@angular/http";
 import {Message} from "../../../../common/entities/Message";
 import "rxjs/Rx";
 
+import {SlimLoadingBarService} from "ng2-slim-loading-bar";
 @Injectable()
 export class NetworkService {
 
   _baseUrl = "/api";
 
-  constructor(protected _http: Http) {
+  constructor(protected _http: Http, private slimLoadingBarService: SlimLoadingBarService) {
   }
 
   private callJson<T>(method: string, url: string, data: any = {}): Promise<T> {
@@ -16,17 +17,31 @@ export class NetworkService {
     let headers = new Headers({'Content-Type': 'application/json'});
     let options = new RequestOptions({headers: headers});
 
+    this.slimLoadingBarService.visible = true;
+    this.slimLoadingBarService.start(() => {
+      this.slimLoadingBarService.visible = false;
+    });
+
+    const process = (res: any) => {
+      this.slimLoadingBarService.complete();
+      return <Message<any>> res.json();
+    };
+
+    const err = (err) => {
+      NetworkService.handleError(err);
+      this.slimLoadingBarService.complete();
+    };
+
     if (method == "get" || method == "delete") {
       return <any>this._http[method](this._baseUrl + url, options)
         .toPromise()
-        .then(res => <Message<any>> res.json())
+        .then(process)
-        .catch(NetworkService.handleError);
+        .catch(err);
     }
-
     return this._http[method](this._baseUrl + url, body, options)
       .toPromise()
-      .then((res: any) => <Message<any>> res.json())
+      .then(process)
-      .catch(NetworkService.handleError);
+      .catch(err);
   }
 
   public postJson<T>(url: string, data: any = {}): Promise<T> {

frontend/app/style.css

@@ -0,0 +1,34 @@
+/*!
+ * Copyright (C) 2016 Sergey Akopkokhyants
+ * This project is licensed under the terms of the MIT license.
+ * https://github.com/akserg/ng2-slim-loading-bar
+ */
+
+/* Styling for the Slim Loading Progress Bar container */
+.slim-loading-bar {
+  position: fixed;
+  margin: 0;
+  padding: 0;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 99999;
+}
+
+/* Styling for the Slim Loading Progress Bar itself */
+.slim-loading-bar-progress {
+  margin: 0;
+  padding: 0;
+  z-index: 99998;
+  background-color: green;
+  color: green;
+  box-shadow: 0 0 10px 0; /* Inherits the font color */
+  height: 2px;
+  opacity: 0;
+
+  /* Add CSS3 styles for transition smoothing */
+  -webkit-transition: all 0.5s ease-in-out;
+  -moz-transition: all 0.5s ease-in-out;
+  -o-transition: all 0.5s ease-in-out;
+  transition: all 0.5s ease-in-out;
+}

package.json

@@ -45,6 +45,7 @@
     "mocha": "^3.4.2",
     "mysql": "^2.13.0",
     "ng2-cookies": "^1.0.12",
+    "ng2-slim-loading-bar": "^4.0.0",
     "node-iptc": "^1.0.4",
     "optimist": "^0.6.1",
     "reflect-metadata": "^0.1.10",