55946: Refactored item-select to object-select to allow for easier implementation of collection-select

src/app/shared/object-select/item-select/item-select.component.ts

@@ -0,0 +1,89 @@
+import { Component, EventEmitter, Input, OnDestroy, OnInit, Output } from '@angular/core';
+import { take } from 'rxjs/operators';
+import { Observable } from 'rxjs/Observable';
+import { Item } from '../../../core/shared/item.model';
+import { RemoteData } from '../../../core/data/remote-data';
+import { PaginatedList } from '../../../core/data/paginated-list';
+import { PaginationComponentOptions } from '../../pagination/pagination-component-options.model';
+import { ObjectSelectService } from '../object-select.service';
+
+@Component({
+  selector: 'ds-item-select',
+  styleUrls: ['./item-select.component.scss'],
+  templateUrl: './item-select.component.html'
+})
+
+/**
+ * A component used to select items from a specific list and returning the UUIDs of the selected items
+ */
+export class ItemSelectComponent implements OnInit {
+
+  /**
+   * The list of items to display
+   */
+  @Input()
+  itemsRD$: Observable<RemoteData<PaginatedList<Item>>>;
+
+  /**
+   * The pagination options used to display the items
+   */
+  @Input()
+  paginationOptions: PaginationComponentOptions;
+
+  /**
+   * The message key used for the confirm button
+   * @type {string}
+   */
+  @Input()
+  confirmButton = 'item.select.confirm';
+
+  /**
+   * EventEmitter to return the selected UUIDs when the confirm button is pressed
+   * @type {EventEmitter<string[]>}
+   */
+  @Output()
+  confirm: EventEmitter<string[]> = new EventEmitter<string[]>();
+
+  /**
+   * The list of selected UUIDs
+   */
+  selectedIds$: Observable<string[]>;
+
+  constructor(private objectelectService: ObjectSelectService) {
+  }
+
+  ngOnInit(): void {
+    this.selectedIds$ = this.objectelectService.getAllSelected();
+  }
+
+  /**
+   * Switch the state of a checkbox
+   * @param {string} id
+   */
+  switch(id: string) {
+    this.objectelectService.switch(id);
+  }
+
+  /**
+   * Get the current state of a checkbox
+   * @param {string} id   The item's UUID
+   * @returns {Observable<boolean>}
+   */
+  getSelected(id: string): Observable<boolean> {
+    return this.objectelectService.getSelected(id);
+  }
+
+  /**
+   * Called when the confirm button is pressed
+   * Sends the selected UUIDs to the parent component
+   */
+  confirmSelected() {
+    this.selectedIds$.pipe(
+      take(1)
+    ).subscribe((ids: string[]) => {
+      this.confirm.emit(ids);
+      this.objectelectService.reset();
+    });
+  }
+
+}