Created
January 11, 2019 00:13
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| import { Component, OnInit } from '@angular/core'; | |
| import { FormBuilder, FormGroup, FormArray } from '@angular/forms'; | |
| @Component({ | |
| selector: 'app-tag', | |
| templateUrl: `<div> | |
| <form [formGroup]='tagForm'> | |
| <label for="tag-input">Category</label> | |
| <input type="text" id="tagInput" formControlName='tagInput' (keyup)="onKeyUp($event)" > | |
| <ul class="tag-list"> | |
| <li *ngFor='let tag of tags' class="tag-item bg-info p-1 m-1 float-left text-white"> | |
| {{tag}}<span class="remove-tag" (click)='onClick(tag)'> x</span> | |
| </li> | |
| </ul> | |
| </form> | |
| </div>`, | |
| styleUrls: `span.remove-tag:hover { | |
| background-color: red; | |
| } | |
| ` | |
| }) | |
| export class TagComponent implements OnInit { | |
| tagForm: FormGroup; | |
| tags = ['test', 'jess']; | |
| constructor(private fb: FormBuilder) { } | |
| ngOnInit() { | |
| this.tagForm = this.fb.group({ | |
| tagInput: '', | |
| }); | |
| } | |
| onKeyUp(event: KeyboardEvent) { | |
| console.log(event); | |
| const pressedEnterKey = event.keyCode === 13; | |
| if (pressedEnterKey) { | |
| const ctrl = this.tagForm.get('tagInput'); | |
| this.tags.push(ctrl.value); | |
| ctrl.reset(); | |
| } | |
| } | |
| onClick(tagname: string): void { | |
| console.log('yeha -', tagname); | |
| this.tags = this.tags.filter(e => e !== tagname); | |
| } | |
| } |
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