openaire-library/landingPages/annotation/annotation.component.ts

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import {
Component,
ElementRef,
EventEmitter,
HostListener,
Input,
OnDestroy,
OnInit,
Output,
ViewChild
} from "@angular/core";
import {Annotation, AnnotationService} from "./annotation.service";
import {ResultLandingInfo} from "../../utils/entities/resultLandingInfo";
import {EnvProperties} from "../../utils/properties/env-properties";
import {properties} from "../../../../environments/environment";
import {UserManagementService} from "../../services/user-management.service";
import {COOKIE, User} from "../../login/utils/helper.class";
import {Subscriber} from "rxjs";
@Component({
selector: 'b2note',
template: `
<div *ngIf="annotations && annotations.length > 0" class="sideInfoTitle uk-margin-small-bottom">Annotations</div>
<div class="b2note">
<form #form ngNoForm *ngIf="pid && user"
[action]="properties.b2noteAPIURL + 'widget'"
method="post"
target="b2note_iframe"
class="uk-padding-small uk-padding-remove-vertical">
<!--URL of the annotated record-->
<input
type="hidden"
name="recordurl_tofeed"
[value]="url">
<!--PID of the annotated record-->
<input
type="hidden"
name="pid_tofeed"
[value]="pid">
</form>
<loading *ngIf="loading" class="uk-margin-medium-top"></loading>
<ul *ngIf="annotations && !loading" class="uk-list uk-list-divider">
<li *ngFor="let annotation of annotations.slice(0, visibleAnnotations); let i=index" uk-grid
class="uk-flex uk-flex-top uk-margin-remove-left">
<div [ngClass]="annotation.type" class="type">{{annotation.type}}</div>
<div [class.uk-width-1-3]="annotation.targets"
[class.uk-width-1-6@s]="annotation.targets">{{annotation.text}}</div>
<ul class="uk-width-expand uk-list uk-margin-remove-top" *ngIf="annotation.targets">
<li *ngFor="let target of annotation.targets.slice(0, annotation.targetSize)">
<a *ngIf="target.url" [href]="target.url" target="_blank">{{target.id}}</a>
<a *ngIf="!target.url" routerLink="/search/advanced/research-outcomes"
[queryParams]="searchPid(target.id)">{{target.id}}</a>
</li>
<li *ngIf="annotation.targetSize < annotation.targets.length"><a
(click)="open(i)">+ {{annotation.targets.length - annotation.targetSize}}
more</a></li>
</ul>
</li>
</ul>
<div *ngIf="visibleAnnotations < annotations.length" class="uk-margin-medium-top uk-text-center">
<button class="uk-button uk-button-primary"
(click)="visibleAnnotations = (visibleAnnotations + annotationSize)">Load More
</button>
</div>
</div>
<div [class.uk-hidden]="!visible">
<div class="widget-container" cdkDrag>
<button type="button" class="close" aria-label="Close" (click)="toggleAnnotation($event)">
<span aria-hidden="true">×</span>
</button>
<iframe #iframe id="b2note_iframe" name="b2note_iframe" class="b2note-iframe">
</iframe>
</div>
</div>`,
styleUrls: ['annotation.css']
})
export class AnnotationComponent implements OnInit, OnDestroy {
@Input()
public landingInfo: ResultLandingInfo = null;
@Input()
public id: string = null;
public properties: EnvProperties = properties;
public url: string = null;
public pid: string = null;
public keywords: string[] = [];
public visible: boolean = false;
public annotations: Annotation[] = [];
public annotationSize: number = 10;
public user;
public visibleAnnotations: number;
public loading: boolean = false;
public submitted: boolean = false;
@Output()
public userEmitter: EventEmitter<User> = new EventEmitter<User>();
@Output()
public pidEmitter: EventEmitter<string> = new EventEmitter<string>();
@ViewChild('iframe') iframe: ElementRef;
@ViewChild('form') form: ElementRef;
private subscriptions: any[] = [];
constructor(private annotationService: AnnotationService,
private userManagementService: UserManagementService) {
}
@HostListener('window:message', ['$event'])
public onChange(event) {
if (this.properties.b2noteAPIURL.includes(event.origin)) {
if (event.data === "B2NOTE loaded") {
let token = COOKIE.getCookie('AccessToken');
this.iframe.nativeElement.contentWindow.postMessage({token: token}, this.properties.b2noteAPIURL);
} else {
this.getAnnotations();
}
}
}
ngOnInit(): void {
this.subscriptions.push(this.userManagementService.getUserInfo().subscribe(user => {
this.user = user;
this.userEmitter.emit(this.user);
}));
this.visibleAnnotations = this.annotationSize;
if (typeof window !== "undefined") {
let id = this.id;
this.url = window.location.href;
if (this.landingInfo.deletedByInferenceIds) {
id = this.landingInfo.deletedByInferenceIds[0];
this.url = this.url.replace(this.id, id);
}
if (this.landingInfo.identifiers && this.landingInfo.identifiers.size > 0) {
if (this.landingInfo.identifiers.get('doi')) {
this.pid = this.landingInfo.identifiers.get('doi')[0];
} else {
const key: string = this.landingInfo.identifiers.keys().next().value;
if (key) {
this.pid = this.landingInfo.identifiers.get(key)[0];
}
}
}
if (this.pid) {
this.getAnnotations();
}
this.pidEmitter.emit(this.pid);
}
}
public get enabled(): boolean {
return this.pid && this.user;
}
private clearSubscriptions() {
this.subscriptions.forEach(subscription => {
if (subscription instanceof Subscriber) {
subscription.unsubscribe();
}
});
this.subscriptions = [];
}
private getAnnotations() {
if (!this.annotations || this.annotations.length === 0) {
this.loading = true;
}
this.subscriptions.push(this.annotationService.getAllAnnotations(this.pid).subscribe(annotations => {
this.annotations.forEach((annotation, index) => {
if (!annotations.find(element => element.type === annotation.type && element.text === annotation.text)) {
this.annotations.splice(index, 1);
}
});
annotations.forEach(annotation => {
if (!this.annotations.find(element => element.type === annotation.type && element.text === annotation.text)) {
annotation.targetSize = 3;
this.annotationService.getAnnotationTargets(annotation.text, annotation.type).subscribe(targets => {
annotation.targets = targets.filter(target => target.id !== this.pid);
/*for(let i = 0; i < 10; i++) {
annotation.targets.push(targets[0]);
}*/
});
this.annotations.push(annotation);
}
});
this.annotations = this.sort(this.annotations);
this.loading = false;
}, error => {
this.loading = false;
}));
}
public sort(annotations: Annotation[]): Annotation[] {
return annotations.sort((a, b) => {
if (a.type === b.type) {
return 1;
} else if (a.type === 'semantic') {
return -1;
} else if (b.type === 'semantic') {
return 1;
} else if (a.type === 'keyword') {
return -1;
} else if (b.type === 'keyword') {
return 1;
}
});
}
public searchPid(pid: string): { [k: string]: any; } {
return {
f0: 'pid',
fv0: pid,
qf: false
}
}
ngOnDestroy() {
this.clearSubscriptions();
}
toggleAnnotation(event) {
if (this.visible) {
event.preventDefault();
} else if(!this.submitted) {
this.form.nativeElement.submit();
this.submitted = true;
}
this.visible = !this.visible;
}
open(i: number) {
this.annotations.forEach((annotation, index) => {
if (index != i) {
annotation.targetSize = 3;
} else {
annotation.targetSize = annotation.targets.length
}
});
}
}