realisation de la page register

src/app/beforeConnexion/register/input-interests-register/input-interests-register.component.ts

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