| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| import {Component, forwardRef, Input, OnInit} from '@angular/core'; |
| import {FetchRequest} from '../../services/domain/paging/fetch-request.model'; |
| import {Observable} from 'rxjs/Observable'; |
| import {ControlValueAccessor, FormControl, NG_VALUE_ACCESSOR} from '@angular/forms'; |
| import {Employee} from '../../services/office/domain/employee.model'; |
| import {OfficeService} from '../../services/office/office.service'; |
| import {EmployeePage} from '../../services/office/domain/employee-page.model'; |
| |
| const noop: () => void = () => { |
| // empty method |
| }; |
| |
| @Component({ |
| providers: [ |
| { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => EmployeeAutoCompleteComponent), multi: true } |
| ], |
| selector: 'fims-employee-auto-complete', |
| templateUrl: './employee-auto-complete.component.html' |
| }) |
| export class EmployeeAutoCompleteComponent implements ControlValueAccessor, OnInit { |
| |
| private _onTouchedCallback: () => void = noop; |
| |
| private _onChangeCallback: (_: any) => void = noop; |
| |
| formControl: FormControl; |
| |
| @Input() title: string; |
| |
| @Input() required: boolean; |
| |
| employees: Observable<Employee[]>; |
| |
| constructor(private officeService: OfficeService) {} |
| |
| ngOnInit(): void { |
| this.formControl = new FormControl(''); |
| |
| this.employees = this.formControl.valueChanges |
| .distinctUntilChanged() |
| .debounceTime(500) |
| .do(name => this.changeValue(name)) |
| .filter(name => name) |
| .switchMap(name => this.onSearch(name)); |
| } |
| |
| changeValue(value: string): void { |
| this._onChangeCallback(value); |
| } |
| |
| writeValue(value: any): void { |
| this.formControl.setValue(value); |
| } |
| |
| registerOnChange(fn: any): void { |
| this._onChangeCallback = fn; |
| } |
| |
| registerOnTouched(fn: any): void { |
| this._onTouchedCallback = fn; |
| } |
| |
| onSearch(searchTerm?: string): Observable<Employee[]> { |
| const fetchRequest: FetchRequest = { |
| page: { |
| pageIndex: 0, |
| size: 5 |
| }, |
| searchTerm |
| }; |
| |
| return this.officeService.listEmployees(fetchRequest) |
| .map((employeePage: EmployeePage) => employeePage.employees); |
| } |
| |
| } |