openaire-library/landingPages/landing-utils/fos.component.ts

import {Component, EventEmitter, Input, Output} from "@angular/core";
import {RouterHelper} from "../../utils/routerHelper.class";
import {properties} from "../../../../environments/environment";
import {StringUtils} from "../../utils/string-utils.class";

@Component({
  selector: 'fos',
  template: `
    <div class="uk-text-xsmall" style="color: #EEB204">Beta</div>
    <div [class]="'uk-flex uk-flex-between uk-flex-middle uk-margin-'+(viewAll?'':'small-')+'bottom'">
      <span *ngIf="viewAll" class="clickable uk-h6 uk-flex uk-flex-middle uk-margin-small-right uk-margin-remove-bottom" (click)="viewLessClick()">
        <icon class="uk-margin-small-right" name="arrow_back" flex="true" ratio="1.2"></icon>
        <span class="uk-text-nowrap">{{title}}</span>
      </span>
      <span *ngIf="!viewAll" class="uk-text-light-grey uk-text-nowrap uk-margin-small-right">{{title}}</span>
<!--      <a *ngIf="viewAll && lessBtn" (click)="viewAll = !viewAll; lessBtn=false;">View less</a>-->
      <a *ngIf="subjects && subjects.length > threshold && !viewAll"
         (click)="viewAllClick();" class="view-more-less-link uk-text-truncate" uk-tooltip="View all & feedback">
        <span class="">View all & feedback</span>
      </a>
      <a *ngIf="(subjects && subjects.length <= threshold || viewAll)" class="uk-link uk-text-truncate"
         (click)="feedbackClick();">Feedback</a>
    </div>
    <div class="uk-margin-small-top">
      <div *ngFor="let subject of subjects.slice(0, viewAll?subjects.length:threshold); let i=index" class="uk-text-truncate">
        <a [routerLink]="properties.searchLinkToResults"
           [queryParams]="{'fos': urlEncodeAndQuote(subject)}">
          {{subject}}
        </a>
      </div>
    </div>
  `
})

export class FosComponent {
  @Input() subjects: string[];
  @Input() viewAll: boolean = false;
  @Output() viewAllClicked  = new EventEmitter();
  @Output() feedbackClicked  = new EventEmitter();
  public lessBtn: boolean = false;
  public threshold: number = 2;
  public routerHelper: RouterHelper = new RouterHelper();
  public properties = properties;
  public title: string = "Fields of Science";

  public viewAllClick() {
    // if(this.subjects.length <= this.threshold*2) {
    //   this.viewAll = true;
    //   this.lessBtn = true;
    // } else {
      this.viewAll = true;
      this.viewAllClicked.emit('fos');
    // }
  }

  public viewLessClick() {
    this.viewAll = false;
    this.viewAllClicked.emit("");
  }

  public feedbackClick() {
    this.feedbackClicked.emit("");
  }

  public urlEncodeAndQuote(str: string): string {
    return StringUtils.quote(StringUtils.URIEncode(str));
  }
}