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| <form class="example-form"> | |
| <mat-form-field class="example-full-width"> | |
| <input matInput placeholder="State" aria-label="State" [matAutocomplete]="auto" [formControl]="stateCtrl"> | |
| <mat-autocomplete #auto="matAutocomplete"> | |
| <mat-option (onSelectionChange)="onSelectFn($event,state)" *ngFor="let state of filteredStates | async" [value]="state.name"> | |
| <img style="vertical-align:middle;" aria-hidden src="{{state.flag}}" height="25" /> | |
| <span>{{ state.name }}</span> | | |
| <small>Population: {{state.population}}</small> | |
| </mat-option> | |
| </mat-autocomplete> | |
| </mat-form-field> | |
| <br/> | |
| <mat-slide-toggle [checked]="stateCtrl.disabled" (change)="stateCtrl.disabled ? stateCtrl.enable() : stateCtrl.disable()"> | |
| Disable Input? | |
| </mat-slide-toggle> | |
| </form> | |
| ******************************************************************* | |
| import {Component, EventEmitter, OnInit, Output} from '@angular/core'; | |
| import {FormControl} from '@angular/forms'; | |
| import {Observable} from 'rxjs/Observable'; | |
| import {startWith} from 'rxjs/operators/startWith'; | |
| import {map} from 'rxjs/operators/map'; | |
| import {MatAutocompleteSelectedEvent} from '@angular/material'; | |
| @Component({ | |
| selector: 'app-auto-complete2', | |
| templateUrl: './auto-complete2.component.html', | |
| styleUrls: ['./auto-complete2.component.css'] | |
| }) | |
| export class AutoComplete2Component implements OnInit { | |
| stateCtrl: FormControl; | |
| filteredStates: Observable<any[]>; | |
| states: State[] = [ | |
| {name: 'Arkansas', population: '2.978M', flag: 'https://upload.wikimedia.org/wikipedia/commons/9/9d/Flag_of_Arkansas.svg'}, | |
| {name: 'California1', population: '39.14M', flag: 'https://upload.wikimedia.org/wikipedia/commons/0/01/Flag_of_California.svg'}, | |
| {name: 'California2', population: '39.14M', flag: 'https://upload.wikimedia.org/wikipedia/commons/0/01/Flag_of_California.svg'}, | |
| {name: 'California3', population: '39.14M', flag: 'https://upload.wikimedia.org/wikipedia/commons/0/01/Flag_of_California.svg'}, | |
| {name: 'Florida', population: '20.27M', flag: 'https://upload.wikimedia.org/wikipedia/commons/f/f7/Flag_of_Florida.svg'}, | |
| {name: 'Texas', population: '27.47M', flag: 'https://upload.wikimedia.org/wikipedia/commons/f/f7/Flag_of_Texas.svg'} | |
| ]; | |
| ngOnInit(): void {} | |
| constructor() { | |
| this.stateCtrl = new FormControl(); | |
| this.filteredStates = this.stateCtrl.valueChanges | |
| .pipe( startWith(''), map(val => { | |
| if (val) { | |
| return this.filterStates(val); | |
| } | |
| } ) | |
| ); | |
| } | |
| filterStates(name: string) { | |
| console.log('filterStates ', name); | |
| // return this.states; | |
| return this.states.filter(state => state.name.toLowerCase().indexOf(name.toLowerCase()) !== -1 ); | |
| } | |
| onSelectFn(event: MatAutocompleteSelectedEvent, state: State) { | |
| console.log(event); | |
| console.log(state); | |
| } | |
| } | |
| export class State { | |
| constructor(public name: string, public population: string, public flag: string) { } | |
| } |
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