144 lines
4.1 KiB
TypeScript
144 lines
4.1 KiB
TypeScript
import { FormControl, FormGroupDirective, NgForm, FormGroup } from '@angular/forms';
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import { Observable } from 'rxjs/Rx';
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import { setTimeout } from 'timers';
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import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
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import 'rxjs/add/operator/debounceTime';
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import 'rxjs/add/operator/map';
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import { AutoCompleteConfiguration } from './AutoCompleteConfiguration';
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import { ErrorStateMatcher } from '@angular/material';
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@Component({
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selector: 'auto-complete',
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templateUrl: './autocomplete.component.html',
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styleUrls: ['./autocomplete.component.scss']
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})
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export class AutocompleteComponent implements OnInit {
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@Input()
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configuration: AutoCompleteConfiguration;
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@Input()
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titleKey: String;
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@Input()
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subtitleKey: String;
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@Input()
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delay: number = 700;
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@Input()
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placeholder: String;
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filteredItems: Observable<any[]>;
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// @Input()
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// validationErrorString: String;
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// public errorStateMatcher: AutoCompleteErrorStateMatcher = new AutoCompleteErrorStateMatcher();
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@Input()
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required: boolean;
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// @Input() selectedDropdownItem: AutoCompleteItem;
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// @Output() selectedDropdownItemChange = new EventEmitter<AutoCompleteItem>();
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// @Output()
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// output: EventEmitter<AutoCompleteItem> = new EventEmitter<AutoCompleteItem>();
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@Input() control: FormControl;
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// @Input() createNew = false;
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// //term = new FormControl();
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// @Input()
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// ClickFunctionCall: Function;
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loading = false;
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constructor() {
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}
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ngOnInit() {
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const valueChanges = this.control.valueChanges.share();
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valueChanges.subscribe(searchTerm => {
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this.loading = true;
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if (this.control.value) {
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this.resetFormControlValue();
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}
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});
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this.filteredItems = valueChanges
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.startWith(null)
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.debounceTime(this.delay)
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.finally(() => this.loading = false)
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.distinctUntilChanged()
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.switchMap(val => {
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this.configuration.requestItem.criteria.like = val;
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return this.configuration.callback(this.configuration.requestItem)
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})
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// const valueChanges = this.form.controls['text'].valueChanges.share();
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// valueChanges.subscribe(searchTerm => {
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// this.loading = true;
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// if (this.form.controls['value'].value) {
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// this.resetFormGroupValue();
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// }
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// });
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// valueChanges
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// .debounceTime(this.typeaheadMS)
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// .subscribe(searchTerm => {
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// if (typeof searchTerm === 'string') {
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// this.inputOnChange(searchTerm)
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// }
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// });
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}
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resetFormControlValue() {
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//this.control.setValue(null, { emitEvent: false });
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}
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// // listingItemToDropDown(item: DropdownListingItem): AutoCompleteItem {
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// // return (item as DropdownListingItem).toDropdownList();
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// // }
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// optionSelected(event: any) {
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// this.form.patchValue(event.option.value, { emitEvent: false });
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// this.selectedDropdownItemChange.emit(event.option.value);
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// //this.form.updateValueAndValidity();
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// this.options = [event.option.value];
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// this.loading = false;
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// }
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// inputOnChange(term: string) {
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// //this.form.patchValue({ value: null, description: '', text: '' });
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// //this.form.updateValueAndValidity();
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// this.configuration.criteria.like = term;
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// this.configuration.callback(this.configuration.criteria)
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// .map((res: any) => this.mapper(res))
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// .subscribe(
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// (res: AutoCompleteItem[]) => {
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// this.options = res;
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// },
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// null,
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// () => { this.loading = false });
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// }
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displayWith(value: any): String {
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return value['' + this.titleKey];
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}
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// displayFn(item: AutoCompleteItem): string {
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// return item.text ? item.text : '';
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// }
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//fieldHasErrors(control: FormControl, form: FormGroupDirective | NgForm): boolean {
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// return this.errorStateMatcher(control, form);
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// }
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}
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export class AutoCompleteErrorStateMatcher implements ErrorStateMatcher {
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isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean {
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const isFormSubmitted = form && form.submitted;
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const isControlInvalid = control && control.invalid && (control.dirty || control.touched || isFormSubmitted);
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const isFormInvalid = form && form.enabled && form.invalid && (form.dirty || form.touched || isFormSubmitted)
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return !!(isControlInvalid || isFormInvalid);
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}
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} |