public void HideUnauthorizedButtons(ControlCollection controls)
{
foreach (Control c in controls)
{
if (c is Panel)
{
HideUnauthorizedButtons(c.Controls);
}
else if (c is ProtectedButton)
{
(c as ProtectedButton).CheckRole(DBUser.GetRole());
}
}
}
public void SetScreen(Screen screen, bool isExtendedForm = true)
{
//Check if the current user is allowed to access the passed screen
if (screen.IsAuthorized(DBUser.GetRole()))
{
//Clear the status text
this.SetStatus("");
//Set the forms title to the screen title
this.lblPageTitle.Text = screen.Title;
//Only show the back button if it makes sense for there to be a screen before it
this.btnBack.Visible = screen.BackScreen != null;
//Don't show the back to main menu button if the current screen is the main menu or login screen
this.btnBackToMainMenu.Visible = !(screen is MainMenuScreen || screen is LoginScreen);
//Include additional master page options if true
this.SetExtended(isExtendedForm);
//Remove the current screen and replace it with the passed screen
this.tlpMasterLayout.Controls.Remove(currentScreen);
this.currentScreen = screen;
this.tlpMasterLayout.Controls.Add(currentScreen, 0, 1);
this.currentScreen.HideUnauthorizedButtons(this.Controls);
//Set the active control to null so no buttons are auto-focused
//and the accept button is prioritized
this.ActiveControl = null;
}
else
{
//TODO: Log failed access attempt
this.SetStatus("Error! You do not have access to the requested screen");
}
}
private void btnLogout_Click(object sender, EventArgs e)
{
DBUser.Logout();
this.SetScreen(this.screenLogin, false);
}