81 lines
2.7 KiB
TypeScript
81 lines
2.7 KiB
TypeScript
import {Component, ElementRef, EventEmitter, Input, OnInit, Output, ViewChild} from '@angular/core';
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import {COMMA, ENTER} from "@angular/cdk/keycodes";
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import {FormControl} from "@angular/forms";
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import {Observable} from "rxjs";
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import {FictitiousDatasService} from "../../../utils/services/fictitiousDatas/fictitious-datas.service";
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import {MessageService} from "../../../utils/services/message/message.service";
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import {map, startWith} from "rxjs/operators";
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import {MatChipInputEvent} from "@angular/material/chips";
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import {MatAutocompleteSelectedEvent} from "@angular/material/autocomplete";
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@Component({
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selector: 'app-input-interests-register',
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templateUrl: './input-interests-register.component.html',
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styleUrls: ['./input-interests-register.component.scss']
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})
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export class InputInterestsRegisterComponent implements OnInit
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{
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selectable = true;
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removable = true;
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separatorKeysCodes: number[] = [ENTER, COMMA];
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formControl = new FormControl();
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filteredInterests: Observable<string[]>;
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@Input() myInterests: string[] = [];
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allInterests: string[] = [];
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@Output() eventEmitter = new EventEmitter<string[]>();
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@ViewChild('tagInput') tagInput: ElementRef<HTMLInputElement>;
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constructor( private fictitiousDatasService: FictitiousDatasService,
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private messageService: MessageService ) {}
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ngOnInit(): void
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{
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this.filteredInterests = this.formControl.valueChanges.pipe(
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startWith(null),
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map((fruit: string | null) => fruit ? this._filter(fruit) : this.allInterests.slice()));
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// --- FAUX CODE ---
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this.allInterests = this.fictitiousDatasService.getTags();
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this.allInterests.sort();
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}
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add(event: MatChipInputEvent): void
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{
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const value = (event.value || '').trim();
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if (value && (this.allInterests.indexOf(value) !== -1))
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{
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this.myInterests.push(value);
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event.chipInput!.clear();
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this.formControl.setValue(null);
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this.eventEmitter.emit(this.myInterests);
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}
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}
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remove(tag: string): void
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{
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const index = this.myInterests.indexOf(tag);
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if (index >= 0) this.myInterests.splice(index, 1);
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this.eventEmitter.emit(this.myInterests);
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}
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selected(event: MatAutocompleteSelectedEvent): void
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{
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this.myInterests.push(event.option.viewValue);
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this.tagInput.nativeElement.value = '';
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this.formControl.setValue(null);
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this.eventEmitter.emit(this.myInterests);
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}
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private _filter(value: string): string[]
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{
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const filterValue = value.toLowerCase();
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return this.allInterests.filter(fruit => fruit.toLowerCase().includes(filterValue));
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}
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}
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