Exemplo n.º 1
0
        protected override async Task OnAfterRenderAsync(bool firstRender)
        {
            if (firstRender)
            {
                // Register resize-handler to window
                await WindowService.EventManager
                .AddResizeHandlerAsync(WindowResizeHandler);
            }

            // Ensure that the dropdown isn't cut off
            EnsureCorrectDropDownPosition();

            if (_callbackId > -1)
            {
                // Ensure that callback is cleaned up
                await ElementService.RemoveClickOutsideOfElementHandlerAsync(_callbackId);

                _callbackId = -1;
            }

            if (IsActive)
            {
                // Register callback if user clicks outside of dropdown
                _callbackId = await ElementService.AddClickOutsideOfElementHandlerAsync(
                    new[]
                {
                    _targetReference.Current,
                    _contentReference.Current
                },
                    () =>
                {
                    _callbackId = -1;

                    IsActive = false;
                    IsActiveChanged.InvokeAsync(false);     // Notify parent that dropdown closed

                    StateHasChanged();
                });
            }
        }
Exemplo n.º 2
0
        protected override async Task OnAfterRenderAsync(bool firstRender)
        {
            if (_callbackId > -1)
            {
                // Ensure that callback is cleaned up
                await ElementService.RemoveClickOutsideOfElementHandlerAsync(_callbackId);

                _callbackId = -1;
            }

            if (EnableClickOutside &&
                Context != null &&
                Context.IsActive)
            {
                // Register callback if user clicks outside of dropdown
                _callbackId = await ElementService.AddClickOutsideOfElementHandlerAsync(
                    new[] { _modalReference },
                    () =>
                {
                    _callbackId = -1;
                    Context.Close();
                });
            }
        }