public bool InsertMenuItemAt(AdminNode menuItemToInsert, AdminNode destinationMenuItem, int position)
{
if (menuItemToInsert == null)
{
throw new ArgumentNullException("menuItemToInsert");
}
// insert the node at the destination node
if (destinationMenuItem == null)
{
MenuItems.Insert(position, menuItemToInsert);
return(true); // success
}
else
{
foreach (var firstLevelMenuItem in MenuItems)
{
if (firstLevelMenuItem.InsertMenuItem(menuItemToInsert, destinationMenuItem, position))
{
return(true); // success
}
}
}
return(false); // failure
}
public bool RemoveMenuItem(AdminNode itemToRemove)
{
if (MenuItems.Contains(itemToRemove)) // todo: avoid this check by having a single TreeNode as a property of the content tree preset.
{
MenuItems.Remove(itemToRemove);
return(true); // success
}
else
{
foreach (var firstLevelMenuItem in MenuItems)
{
if (firstLevelMenuItem.RemoveMenuItem(itemToRemove))
{
return(true); // success
}
}
}
return(false); // failure
}