/// <summary>
/// Nulls all bracket controls stored in our internal collection and clears the collection after all controls have been nulled.
/// </summary>
private void ClearExistingBracketsAndWinner()
{
for (int i = _bracketControls.Count - 1; i >= 0; i--)
{
_bracketControls[i].Dispose();
_bracketControls.RemoveAt(i);
}
_bracketControls.Clear();
if (_winnerControl != null)
{
_winnerControl.Dispose();
_winnerControl = null;
}
}
/// <summary>
/// Creates/draws tournament all brackets and displays on the appropriate panel.
/// </summary>
private void DrawTournamentBrackets()
{
//If the tournament object hasn't been instantiated, just exit (since there is
//nothing to draw)
if (_tournament == null)
{
return;
}
//Clear the existing controls
ClearExistingBracketsAndWinner();
const int BRACKET_VERTICAL_MARGIN = 32;
const int BRACKET_HORIZONTAL_MARGIN = 96;
//Iterate through each tournament level, starting with the lowest brackets (highest
//level value) first
int bracketX = BRACKET_HORIZONTAL_MARGIN;
int bracketY = BRACKET_VERTICAL_MARGIN;
int?bracketWidth = null;
int totalLevels = _tournament.TournamentLevels;
for (int level = totalLevels; level >= 1; level--)
{
//Get all Bracket objects for the current level
List <Bracket> levelBrackets = _tournament.GetBracketsForLevel(level);
if (level == totalLevels)
{
//For the first/lowest level of the tournament, place each bracket evenly
foreach (Bracket bracket in levelBrackets)
{
//Create the bracket control and store it internally
ControlBracket newBracket = new ControlBracket()
{
Bracket = bracket,
Parent = scLayout.Panel2,
Location = new Point(bracketX, bracketY),
Visible = true
};
_bracketControls.Add(newBracket);
//Adjust the Y position for the next bracket
bracketY += newBracket.Height + BRACKET_VERTICAL_MARGIN;
//Assign the bracket width, if it hasn't already been assigned already
if (!bracketWidth.HasValue)
{
bracketWidth = newBracket.Width;
}
}
bracketX += bracketWidth.Value + BRACKET_HORIZONTAL_MARGIN;
bracketY = BRACKET_VERTICAL_MARGIN;
}
else
{
//Adjust the current level brackets according to the previous level
//Get the previous level's bracket objects
List <ControlBracket> prevLevelBrackets = (from plb in _bracketControls
where plb.Bracket.Level == level + 1
select plb)
.OrderBy(bc => bc.Bracket.Sequence)
.ToList();
int prevLevelBracketIndex = 0;
foreach (Bracket bracket in levelBrackets)
{
//Evaluate the next two previous level brackets to determine sizing requirements for the current
//bracket
ControlBracket prevLevelTopBracket = prevLevelBrackets[prevLevelBracketIndex++];
ControlBracket prevLevelBottomBracket = prevLevelBrackets[prevLevelBracketIndex++];
//Get the coordinates of the right side's midpoint for each previous level's bracket control
int newBracketX = prevLevelTopBracket.Right;
int topLeftY = (prevLevelTopBracket.Top) + (prevLevelTopBracket.Bottom - prevLevelTopBracket.Top) / 2;
int bottomLeftY = (prevLevelBottomBracket.Top) + (prevLevelBottomBracket.Bottom - prevLevelBottomBracket.Top) / 2;
//Determine the height of the new bracket
int newBracketHeight = bottomLeftY - topLeftY;
//Create the new bracket for the level and store it internally
ControlBracket newBracket = new ControlBracket()
{
Bracket = bracket,
Parent = scLayout.Panel2,
Location = new Point(newBracketX, topLeftY),
Height = newBracketHeight,
Visible = true
};
_bracketControls.Add(newBracket);
}
}
}
//Finally, now that the brackets have been created, create and place the winner control
//Get the bracket control from the "finals" level
ControlBracket finalBracketControl = (from bc in _bracketControls
where bc.Bracket.Level == 1
select bc).First();
//Get the coordinates of the right side's midpoint of the final bracket control
int winnerX = finalBracketControl.Right;
int finalBracketMidpointY = finalBracketControl.Bottom - finalBracketControl.Top;
//Determine location and place it in the UI
_winnerControl = new ControlWinner()
{
Winner = _tournament.Winner,
Parent = scLayout.Panel2,
Location = new Point(winnerX, finalBracketMidpointY),
Visible = true
};
}