/// <summary>
/// Calculates Data to draw in histogram
/// </summary>
private void CalculateHistogramData()
{
InitChartData();
for (int bar = 0; bar < Data.Bars; bar++)
{
int positions = StatsBuffer.Positions(bar);
for (int pos = 0; pos < positions; pos++)
{
if (!IsTrade(StatsBuffer.PosTransaction(bar, pos)))
{
continue;
}
double result = GetProfit(bar, pos);
var index = (int)Math.Round(result);
bool isIndex = chartData.ContainsKey(index);
int count = isIndex ? chartData[index].TradesCount + 1 : 1;
double total = isIndex ? chartData[index].TotalResult + result : result;
var data = new HistogramData {
TradesCount = count, Result = result, TotalResult = total
};
if (isIndex)
{
chartData[index] = data;
}
else
{
chartData.Add(index, data);
}
SetMinMaxValues(index, count, total);
}
}
chartData.Sort();
}
/// <summary>
/// Calculates Data to draw in histogram
/// </summary>
private static void CalculateHistogramData()
{
// crummy way to get number of trades for init array
// TBD -- find better property
int ctr = 0;
for (int bar = 0; bar < Data.Bars; bar++)
{
for (int pos = 0; pos < StatsBuffer.Positions(bar); pos++)
{
Transaction transaction = StatsBuffer.PosTransaction(bar, pos);
if (transaction == Transaction.Close ||
transaction == Transaction.Reduce ||
transaction == Transaction.Reverse)
{
ctr++;
}
}
}
_tradeResults = new int[ctr];
ctr = 0;
for (int bar = 0; bar < Data.Bars; bar++)
{
for (int pos = 0; pos < StatsBuffer.Positions(bar); pos++)
{
Transaction transaction = StatsBuffer.PosTransaction(bar, pos);
if (transaction == Transaction.Close ||
transaction == Transaction.Reduce ||
transaction == Transaction.Reverse)
{
_tradeResults[ctr] = (int)StatsBuffer.PosProfitLoss(bar, pos);
ctr++;
}
}
}
int min = 0;
int max = 0;
foreach (int result in _tradeResults)
{
if (min > result)
{
min = result;
}
if (max < result)
{
max = result;
}
}
_tradeIndexes = new int[(max - min) + 1];
_tradeCounts = new int[(max - min) + 1];
_tradeCumulatives = new int[(max - min) + 1];
// fill _tradeIndexes with index values, then count how many in _tradeResults
for (int ctr1 = 0; ctr1 < _tradeIndexes.Length; ctr1++)
{
_tradeIndexes[ctr1] = min + ctr1;
int count = 0;
for (int ctr2 = 0; ctr2 < _tradeResults.Length; ctr2++)
{
if (_tradeResults[ctr2] == _tradeIndexes[ctr1])
{
count++;
}
}
_tradeCounts[ctr1] = count;
_tradeCumulatives[ctr1] = _tradeIndexes[ctr1] * count;
}
}
/// <summary>
/// Sets the size and position of the controls
/// </summary>
private void SetSizes()
{
_positions = Data.IsResult ? StatsBuffer.Positions(SelectedBar) : 0;
_rows = ClientSize.Height > 2 * _rowHeight + Border ? (ClientSize.Height - 2 * _rowHeight - Border) / _rowHeight : 0;
if (_positions == 0)
{
_firstPos = 0;
_lastPos = 0;
_shownPos = 0;
VScrollBar.Visible = false;
_visibalWidth = ClientSize.Width;
}
else if (_positions < _rows)
{
_firstPos = 0;
_lastPos = _rows;
_shownPos = _positions;
VScrollBar.Visible = false;
_visibalWidth = ClientSize.Width;
}
else
{
VScrollBar.Visible = true;
if (SelectedBar != _selectedBarOld)
{
VScrollBar.Value = 0;
}
VScrollBar.Maximum = _positions - 1;
_visibalWidth = VScrollBar.Left;
_firstPos = VScrollBar.Value;
if (_firstPos + _rows > _positions)
{
_lastPos = _positions - 1;
_shownPos = _lastPos - _firstPos + 1;
}
else
{
_shownPos = _rows;
_lastPos = _firstPos + _shownPos - 1;
}
}
if (_visibalWidth <= _xColumns[_columns])
{
_xColumns.CopyTo(_xScaled, 0);
}
else
{
// Scales the columns position
float fScale = (float)_visibalWidth / _xColumns[_columns];
for (int i = 0; i <= _columns; i++)
{
_xScaled[i] = (int)(_xColumns[i] * fScale);
}
}
if (_visibalWidth < _xColumns[_columns])
{
HScrollBar.Visible = true;
int iPoinShort = _xColumns[_columns] - _visibalWidth;
if (HScrollBar.Value > iPoinShort)
{
HScrollBar.Value = iPoinShort;
}
HScrollBar.Maximum = iPoinShort + HScrollBar.LargeChange - 2;
}
else
{
HScrollBar.Value = 0;
HScrollBar.Visible = false;
}
_selectedBarOld = SelectedBar;
}
/// <summary>
/// Sets the journal's current data
/// </summary>
public void SetUpJournal()
{
if (ShowTransfers)
{
_positions = StatsBuffer.PositionsTotal;
}
else
{
_posNumbers = StatsBuffer.PositionsTotal > 0 ? new int[StatsBuffer.PositionsTotal] : new int[1];
_positions = 0;
for (int bar = 0; bar < Data.Bars; bar++)
{
for (int pos = 0; pos < StatsBuffer.Positions(bar); pos++)
{
Transaction transaction = StatsBuffer.PosTransaction(bar, pos);
if (transaction == Transaction.None || transaction == Transaction.Transfer)
{
continue;
}
_posNumbers[_positions] = StatsBuffer.PosNumb(bar, pos);
_positions++;
}
}
}
if (_positions == 0)
{
_firstPos = 0;
_lastPos = 0;
_shownPos = 0;
_selectedRow = 0;
_vScrollBar.Enabled = false;
}
else if (_positions < _rows)
{
_firstPos = 0;
_lastPos = _rows;
_shownPos = _positions;
_selectedRow = 0;
_vScrollBar.Enabled = false;
}
else
{
_vScrollBar.Enabled = true;
_vScrollBar.Maximum = _positions - 1;
_firstPos = _vScrollBar.Value;
if (_firstPos + _rows > _positions)
{
_lastPos = _positions - 1;
_shownPos = _lastPos - _firstPos + 1;
}
else
{
_shownPos = _rows;
_lastPos = _firstPos + _shownPos - 1;
}
}
_selectedRow = Math.Min(_selectedRow, _shownPos - 1);
_selectedRow = Math.Max(_selectedRow, 0);
UpdateJournalData();
SetJournalColors();
}
/// <summary>
/// Sets the size and position of the controls
/// </summary>
private void SetSizes()
{
positions = Data.IsResult ? StatsBuffer.Positions(SelectedBar) : 0;
rows = ClientSize.Height > 2 * rowHeight + Border ? (ClientSize.Height - 2 * rowHeight - Border) / rowHeight : 0;
if (positions == 0)
{
firstPos = 0;
lastPos = 0;
shownPos = 0;
vScrollBar.Visible = false;
visibleWidth = ClientSize.Width;
}
else if (positions < rows)
{
firstPos = 0;
lastPos = rows;
shownPos = positions;
vScrollBar.Visible = false;
visibleWidth = ClientSize.Width;
}
else
{
vScrollBar.Visible = true;
if (SelectedBar != selectedBarOld)
{
vScrollBar.Value = 0;
}
vScrollBar.Maximum = positions - 1;
visibleWidth = vScrollBar.Left;
firstPos = vScrollBar.Value;
if (firstPos + rows > positions)
{
lastPos = positions - 1;
shownPos = lastPos - firstPos + 1;
}
else
{
shownPos = rows;
lastPos = firstPos + shownPos - 1;
}
}
if (visibleWidth <= xColumns[columns])
{
xColumns.CopyTo(xScaled, 0);
}
else
{
// Scales the columns position
float fScale = (float)visibleWidth / xColumns[columns];
for (int i = 0; i <= columns; i++)
{
xScaled[i] = (int)(xColumns[i] * fScale);
}
}
if (visibleWidth < xColumns[columns])
{
hScrollBar.Visible = true;
int iPoinShort = xColumns[columns] - visibleWidth;
if (hScrollBar.Value > iPoinShort)
{
hScrollBar.Value = iPoinShort;
}
hScrollBar.Maximum = iPoinShort + hScrollBar.LargeChange - 2;
}
else
{
hScrollBar.Value = 0;
hScrollBar.Visible = false;
}
selectedBarOld = SelectedBar;
}
/// <summary>
/// Sets the journal's current data
/// </summary>
public void SetUpJournal()
{
if (!StatsBuffer.IsStatsBufferValid)
{
return;
}
if (ShowTransfers)
{
positions = StatsBuffer.PositionsTotal;
}
else
{
posNumbers = StatsBuffer.PositionsTotal > 0 ? new int[StatsBuffer.PositionsTotal] : new int[1];
positions = 0;
for (int bar = 0; bar < Data.Bars; bar++)
{
for (int pos = 0; pos < StatsBuffer.Positions(bar); pos++)
{
Transaction transaction = StatsBuffer.PosTransaction(bar, pos);
if (transaction == Transaction.None || transaction == Transaction.Transfer)
{
continue;
}
posNumbers[positions] = StatsBuffer.PosNumb(bar, pos);
positions++;
}
}
}
if (positions == 0)
{
firstPos = 0;
lastPos = 0;
shownPos = 0;
selectedRow = 0;
vScrollBar.Enabled = false;
}
else if (positions < rows)
{
firstPos = 0;
lastPos = rows;
shownPos = positions;
selectedRow = 0;
vScrollBar.Enabled = false;
}
else
{
vScrollBar.Enabled = true;
vScrollBar.Maximum = positions - 1;
firstPos = vScrollBar.Value;
if (firstPos + rows > positions)
{
lastPos = positions - 1;
shownPos = lastPos - firstPos + 1;
}
else
{
shownPos = rows;
lastPos = firstPos + shownPos - 1;
}
}
selectedRow = Math.Min(selectedRow, shownPos - 1);
selectedRow = Math.Max(selectedRow, 0);
UpdateJournalData();
SetJournalColors();
}
