private UserCard CreateUserCard(UserVo user, int level)
{
var userCard = new UserCard {User = user};
double left = Math.Round(HorizontalCenter - (userCard.Width*_itemsLevels[level].Count/2));
userCard.Top = VerticalGap*(level + 1) + userCard.Height*level;
userCard.Left = left + userCard.Width*_itemsLevels[level].Proccesed +
HorizontalGap*(_itemsLevels[level].Proccesed + 1);
userCard.SetValue(FrameworkElement.NameProperty, "UserCard" + _userCardNumber++);
Canvas.SetZIndex(userCard, 2);
userCard.MouseLeftButtonDown += _mouseLeftButtonDownHandler;
_whitespace.Children.Add(userCard);
_itemsLevels[level].Proccesed++;
foreach (UserVo childUser in user.Users)
{
UserCard childUserCard = CreateUserCard(childUser, level + 1);
var line = new ConnectionLine {ParentUserCard = userCard, ChildUserCard = childUserCard};
Canvas.SetZIndex(line, 1);
_whitespace.Children.Add(line);
}
return userCard;
}
public UsersTreeBuilder(UserVo rootUser, Panel whitespace,
MouseButtonEventHandler mouseLeftButtonDownHandler)
{
_whitespace = whitespace;
_mouseLeftButtonDownHandler = mouseLeftButtonDownHandler;
_itemsLevels = new Dictionary<int, TreeBuilderLevelData>
{
{0, new TreeBuilderLevelData {Count = 1}}
};
LoadItemsLevels(rootUser, 1);
CreateUserCard(rootUser, 0);
}
private void LoadItemsLevels(UserVo user, int level)
{
if (user.Users.Count != 0)
{
if (!_itemsLevels.ContainsKey(level))
{
_itemsLevels.Add(level, new TreeBuilderLevelData {Count = 0});
}
_itemsLevels[level].Count += user.Users.Count;
foreach (UserVo childUser in user.Users)
{
LoadItemsLevels(childUser, level + 1);
}
}
}
