private void OnShowOrHideLoading(object sender, InteractionEventArgs args)
{
VisibilityNotification notification = args.Context as VisibilityNotification;
if (notification == null)
{
return;
}
if (notification.Visible)
{
this.list.Add(Loading.Show());
}
else
{
if (this.list.Count <= 0)
{
return;
}
Loading loading = this.list[0];
loading.Dispose();
this.list.RemoveAt(0);
}
}
public InterationViewModel()
{
//创建一个交互请求，这个交互请求的作用就是向控制层(InteractionExample)发送一个打开对话窗的通知
this.alertDialogRequest = new InteractionRequest <DialogNotification>(this);
this.toastRequest = new InteractionRequest <ToastNotification>(this);
this.loadingRequest = new InteractionRequest <VisibilityNotification>();
//创建一个打响应按钮事件的命令
this.openAlertDialog = new SimpleCommand(() =>
{
//设置命令的Enable为false，通过数据绑定解耦，间接将视图层按钮设置为不可点击状态
this.openAlertDialog.Enabled = false;
//创建一个对话框通知
DialogNotification notification = new DialogNotification("Interation Example", "This is a dialog test.", "Yes", "No", true);
//创建一个回调函数，此回调函数会在AlertDialog对话框关闭时调用
Action <DialogNotification> callback = n =>
{
//设置命令的Enable为true，通过绑定会自动恢复按钮的点击状态
this.openAlertDialog.Enabled = true;
if (n.DialogResult == AlertDialog.BUTTON_POSITIVE)
{
Debug.LogFormat("Click: Yes");
}
else if (n.DialogResult == AlertDialog.BUTTON_NEGATIVE)
{
Debug.LogFormat("Click: No");
}
};
//交互请求向View层OnOpenAlert函数发送通知
this.alertDialogRequest.Raise(notification, callback);
});
this.showToast = new SimpleCommand(() =>
{
ToastNotification notification = new ToastNotification("This is a toast test.", 2f);
this.toastRequest.Raise(notification);
});
this.showLoading = new SimpleCommand(() =>
{
VisibilityNotification notification = new VisibilityNotification(true);
this.loadingRequest.Raise(notification);
});
this.hideLoading = new SimpleCommand(() =>
{
VisibilityNotification notification = new VisibilityNotification(false);
this.loadingRequest.Raise(notification);
});
}
public InterationViewModel()
{
this.alertDialogRequest = new InteractionRequest <DialogNotification>(this);
this.toastRequest = new InteractionRequest <Notification>(this);
this.loadingRequest = new InteractionRequest <VisibilityNotification>();
this.openAlertDialog = new SimpleCommand(() =>
{
this.openAlertDialog.Enabled = false;
DialogNotification notification = new DialogNotification("Interation Example", "This is a dialog test.", "Yes", "No", true);
Action <DialogNotification> callback = n =>
{
this.openAlertDialog.Enabled = true;
if (n.DialogResult == AlertDialog.BUTTON_POSITIVE)
{
Debug.LogFormat("Click: Yes");
}
else if (n.DialogResult == AlertDialog.BUTTON_NEGATIVE)
{
Debug.LogFormat("Click: No");
}
};
this.alertDialogRequest.Raise(notification, callback);
});
this.showToast = new SimpleCommand(() =>
{
Notification notification = new Notification("This is a toast test.");
this.toastRequest.Raise(notification);
});
this.showLoading = new SimpleCommand(() =>
{
VisibilityNotification notification = new VisibilityNotification(true);
this.loadingRequest.Raise(notification);
});
this.hideLoading = new SimpleCommand(() =>
{
VisibilityNotification notification = new VisibilityNotification(false);
this.loadingRequest.Raise(notification);
});
}
