Currently, I am utilizing Angular 7. Within my child component displayed in the Stackblitz example below, I have encountered an obstacle. Although I can access my variable on the parent control by using @Input, I am unable to change it. Could you provide guidance on how to achieve this within the given Stackblitz example? The primary goal is to hide the modal by setting displayPopup=false upon clicking the hide button.
To solve the issue, you should add an EventEmitter to the popup.component.ts
Below is a functioning example:
import { Component, EventEmitter, Output } from '@angular/core';
@Component({
selector: 'app-popup',
templateUrl: './popup.component.html',
styleUrls: ['./popup.component.css']
})
export class PopupComponent {
@Output() public close: EventEmitter<void> = new EventEmitter();
closeModal() {
this.close.emit();
}
}
Then in the parent component, you can listen for that event like so:
<app-popup *ngIf="showPopup" (close)="showPopup = false;"></app-popup>
If you are looking to implement a custom two-way binding solution, check out this StackBlitz example:
import { Component, OnInit, Input, Output, EventEmitter } from '@angular/core';
@Component({
selector: 'app-popup',
templateUrl: './popup.component.html',
styleUrls: ['./popup.component.css']
})
export class PopupComponent implements OnInit {
private _bool: boolean;
@Output() boolChange = new EventEmitter();
set bool(value) { this._bool = value; this.boolChange.emit(value); }
@Input() get bool() { return this.bool; }
constructor() { }
ngOnInit() {
}
hideModal() {
this.bool = false;
}
}
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