static void Main(string[] args)
{
_exLogger = new ExceptionLogger();
try
{
menuCollection = new List<Menu>();
InitializeData(menuCollection);
var roots = from menu in menuCollection
where menu.ParentId == null
select menu;
Menu m = new Menu { Id = 0, Title = "Main" };
MenuNode rootNode = new MenuNode(m);
foreach (var r in roots)
{
Console.WriteLine();
MenuNode node = rootNode.AddNode(r);
node.MenuItem = r;
PopulateTree(node);
}
Console.WriteLine("---------------------------------------------------------------------");
PrintTree(rootNode, 0);
Console.ReadKey();
}
catch(System.Exception ex)
{
_exLogger.addErrorLog(ex);
}
}
static void PopulateTree(MenuNode menuNode)
{
try
{
var children = from menu in menuCollection
where menu.ParentId == menuNode.MenuItem.Id
select menu;
if (children.Count() == 0)
{
return;
}
else
{
foreach (var c in children)
{
MenuNode newNode = menuNode.AddNode(c);
PopulateTree(newNode);
}
}
}
catch(System.Exception ex)
{
_exLogger.addErrorLog(ex);
}
}
public MenuNode AddNode(Menu menu)
{
MenuNode node = new MenuNode(menu);
ChildNodes.Add(node);
return node;
}
private static void PrintTree(MenuNode m,int level)
{
try
{
for (int i = 0; i < level; i++)
{
Console.Write(" ");
}
level++;
Console.WriteLine(m.MenuItem.Title);
if (m.ChildNodes.Count == 0)
{
level--;
return;
}
else
{
foreach (var n in m.ChildNodes)
{
PrintTree(n, level);
}
//level++;
}
}
catch(System.Exception ex)
{
_exLogger.addErrorLog(ex);
}
}