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[英]Angular 2 : View doesn't update when function is called from promise
[英]Escape Function Doesn't Get Called When Close FullScreen in Angular
當我嘗試按下esc功能以便我的應用程序的全屏關閉時,我遇到了問題。 全屏和關閉全屏已經有效。 但問題是,當我目前處於全屏模式並且我嘗試點擊esc時,它會關閉全屏,但仍會顯示“打開”字樣。 請參閱下面的代碼。 請點擊這里我的stackblizk鏈接https://stackblitz.com/edit/fullscreen-closefullscreen?file=src%2Fapp%2Fapp.component.ts
@HostListener('document:keydown.escape', ['$event']) onKeydownHandler(event: KeyboardEvent) {
this.closeFullscreen();
}
<ul class="navbar-nav">
<li class="nav-item mr-2 d-none d-lg-block">
<a *ngIf="toggleClass === 'ft-maximize'" href="javascript:;" class="nav-link" (click)="openFullscreen()">
Open
</a>
<a *ngIf="toggleClass === 'ft-minimize'" href="javascript:;" class="nav-link" (click)="closeFullscreen()">
Close
</a>
</li>
</ul>
不確定您是否可以解決此問題。 我有一些與你相同的情況,我通過@HostListener
修復,如下所示。
@HostListener('document:fullscreenchange', ['$event'])
@HostListener('document:webkitfullscreenchange', ['$event'])
@HostListener('document:mozfullscreenchange', ['$event'])
@HostListener('document:MSFullscreenChange', ['$event'])
fullscreenmode(){
if(this.toggleClass == 'ft-minimize'){
this.toggleClass = 'ft-maximize';
}
else{
this.toggleClass = 'ft-minimize';
}
console.log(this.toggleClass)
}
演示: https : //stackblitz.com/edit/fullscreen-closefullscreen-qbickg?file = src / app / app.component.ts
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