/// <summary>
/// Enables or disables the toolbar buttons.
/// </summary>
private void SetButtonsEnabled()
{
TreeNode selectedNode = treeView.SelectedNode;
btnAdd.Enabled = configProvider.AllowAction(ConfigAction.Add, btnAdd, selectedNode);
btnMoveUp.Enabled = configProvider.AllowAction(ConfigAction.MoveUp, btnMoveUp, selectedNode);
btnMoveDown.Enabled = configProvider.AllowAction(ConfigAction.MoveDown, btnMoveDown, selectedNode);
btnDelete.Enabled = configProvider.AllowAction(ConfigAction.Delete, btnDelete, selectedNode);
if (btnAddWithChoice.Visible)
{
bool anyItemEnabled = false;
foreach (ToolStripItem item in btnAddWithChoice.DropDownItems)
{
item.Enabled = configProvider.AllowAction(ConfigAction.Add, item, selectedNode);
if (item.Enabled)
{
anyItemEnabled = true;
}
}
btnAddWithChoice.Enabled = anyItemEnabled;
}
}