[UXP-138] Port of [CST-14002] new "image" rendering type

Author: davide-negretti

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/image/image.component.html

@@ -0,0 +1,2 @@
+<!--<div *ngIf="(imageUrl$ | async) as url" [style.background-image]="backgroundImageUrl(url)"></div>-->
+<img *ngIf="(imageUrl$ | async) as url" [src]="url">

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/image/image.component.scss

@@ -0,0 +1,5 @@
+img {
+  width: 100%;
+  max-width: 900px;
+  max-height: 600px;
+}

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/image/image.component.spec.ts

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

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/image/image.component.ts

@@ -0,0 +1,42 @@
+import { Component, OnInit } from '@angular/core';
+import { FieldRenderingType, MetadataBoxFieldRendering } from '../metadata-box.decorator';
+
+import { BitstreamRenderingModelComponent } from '../bitstream-rendering-model';
+import { map, tap } from 'rxjs/operators';
+import { Bitstream } from '../../../../../../../core/shared/bitstream.model';
+import { BehaviorSubject, Observable } from 'rxjs';
+import { getPaginatedListPayload } from '../../../../../../../core/shared/operators';
+import { HALLink } from '../../../../../../../core/shared/hal-link.model';
+
+@Component({
+  // eslint-disable-next-line @angular-eslint/component-selector
+  selector: 'div[ds-image]',
+  templateUrl: './image.component.html',
+  styleUrls: ['./image.component.scss'],
+})
+@MetadataBoxFieldRendering(FieldRenderingType.IMAGE, true)
+export class ImageComponent extends BitstreamRenderingModelComponent implements OnInit {
+
+  bitstream = new BehaviorSubject<Bitstream>(null);
+
+  imageUrl$: Observable<string>;
+
+  ngOnInit(): void {
+    this.getBitstreamsByItem().pipe(
+      getPaginatedListPayload(),
+      map((filteredBitstreams: Bitstream[]) => filteredBitstreams.length > 0 ? filteredBitstreams[0] : null)
+    ).subscribe((image) => {
+      this.bitstream.next(image);
+    });
+
+    this.imageUrl$ = this.bitstream.asObservable().pipe(
+      map((bitstream) => bitstream?._links?.content?.href),
+    );
+
+  }
+
+  backgroundImageUrl(url: string) {
+    return `url('${url}')`;
+  }
+
+}

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/metadata-box.decorator.ts

@@ -10,6 +10,7 @@ export enum FieldRenderingType {
   IDENTIFIER = 'IDENTIFIER',
   CRISREF = 'CRISREF',
   THUMBNAIL = 'THUMBNAIL',
+  IMAGE = 'IMAGE',
   ATTACHMENT = 'ATTACHMENT',
   TABLE = 'TABLE',
   INLINE = 'INLINE',

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/row/metadata-container/metadata-container.component.ts

@@ -164,6 +164,7 @@ export class MetadataContainerComponent implements OnInit {
     const rendering = this.computeRendering(this.field);
     if (this.field.fieldType === LayoutFieldType.BITSTREAM
       && (rendering.toLocaleLowerCase() === FieldRenderingType.ATTACHMENT.toLocaleLowerCase()
+        || rendering.toLocaleLowerCase() === FieldRenderingType.IMAGE.toLocaleLowerCase()
         || rendering.toLocaleLowerCase() === FieldRenderingType.ADVANCEDATTACHMENT.toLocaleLowerCase())) {
       this.hasBitstream().pipe(take(1)).subscribe((hasBitstream: boolean) => {
         if (hasBitstream) {

src/app/cris-layout/cris-layout.module.ts

@@ -152,6 +152,7 @@ import { OpenStreetMapModule } from '../shared/open-street-map/open-street-map.m
 import { OpenStreetMapRenderingComponent } from './cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/open-street-map/open-street-map-rendering.component';
 import { GooglemapsGroupComponent } from './cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/metadataGroup/googlemaps-group/googlemaps-group.component';
 import { OpenstreetmapGroupComponent } from './cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/metadataGroup/openstreetmap-group/openstreetmap-group.component';
+import { ImageComponent } from './cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/image/image.component';
 
 const ENTRY_COMPONENTS = [
   // put only entry components that use custom decorator
@@ -189,6 +190,7 @@ const ENTRY_COMPONENTS = [
   SearchComponent,
   TagSearchComponent,
   CrisLayoutMediaBoxComponent,
+  ImageComponent,
   GooglemapsGroupComponent,
   OpenstreetmapGroupComponent,
 ];
@@ -218,6 +220,7 @@ const ENTRY_COMPONENTS = [
     MarkdownComponent,
     BitstreamAttachmentComponent,
     AttachmentRenderComponent,
+    ImageComponent,
   ],
   providers:[ LoadMoreService, NgbActiveModal ],
   imports: [