LANCommander/LANCommander.Server/UI/Pages/Files.razor

@page "/Files"
@using Microsoft.AspNetCore.Components.Server.ProtectedBrowserStorage
@attribute [Authorize(Roles = RoleService.AdministratorRoleName)]
@inject ProtectedLocalStorage BrowserStorage

<FileManager WorkingDirectory="@RootPath" ColumnVisibility="ColumnVisibility" ColumnVisibilityChanged="OnColumnVisibilityChanged" />

@code {
    string RootPath = Path.GetPathRoot(Directory.GetCurrentDirectory());
    Dictionary<string, bool> ColumnVisibility;

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender)
        {
            try
            {
                var stored = await BrowserStorage.GetAsync<Dictionary<string, bool>>("FileManager.ColumnVisibility");

                if (stored.Success && stored.Value != null)
                {
                    ColumnVisibility = stored.Value;
                    StateHasChanged();
                }
            }
            catch
            {
                ColumnVisibility = new Dictionary<string, bool>();
            }
        }
    }

    async Task OnColumnVisibilityChanged(Dictionary<string, bool> visibility)
    {
        ColumnVisibility = visibility;
        await BrowserStorage.SetAsync("FileManager.ColumnVisibility", visibility);
    }
}