protected override void Paint(Graphics graphics, Rectangle clipBounds,
Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState,
object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
{
base.Paint(graphics, clipBounds, cellBounds,
rowIndex, cellState,
value, "", errorText, cellStyle,
advancedBorderStyle, paintParts);
//Get the value of the cell
int cellValue = Utils.IsDBNull(value) ? 0 : Format.FromLocalInteger(value);
//If cell value is 0, you still
//want to show something, so set the value to 1
if (cellValue == 0)
{
cellValue = 1;
}
DataGridViewBarGraphColumn parent = (DataGridViewBarGraphColumn)OwningColumn;
parent.CalcMaxValue();
long maxValue = parent.MaxValue;
Font fnt = parent.InheritedStyle.Font;
int availableWidth = cellBounds.Width;
if (maxValue != 0)
{
cellValue = (int)((cellValue / maxValue) * availableWidth);
}
//Draw the bar, truncating to fit in the space
//you've got in the cell:
const int HORIZONTALOFFSET = 1;
// Image img = ctlScanner.GradientBar((int)cellValue, cellBounds.Height - 3);
// graphics.DrawImage(img, cellBounds.X + HORIZONTALOFFSET, cellBounds.Y + 1, img.Width, img.Height);
//Get the text to draw and calculate its width:
string cellText = formattedValue.ToString();
SizeF textSize = graphics.MeasureString(cellText, fnt);
PointF textStart = new PointF(1, (cellBounds.Height - textSize.Height) / 2);
//Calculate the correct color:
Color textColor = parent.InheritedStyle.ForeColor;
if ((cellState & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected)
{
textColor = Color.Yellow; // textColor = parent.InheritedStyle.SelectionForeColor; // Optional
}
//Draw the text:
using (SolidBrush brush = new SolidBrush(textColor))
{
graphics.DrawString(cellText, fnt, brush,
cellBounds.X + cellBounds.Width - textSize.Width,
cellBounds.Y + textStart.Y);
}
}
public ctlScanner(frmMain oMain, ctlData oData)
{
InitializeComponent();
m_frmMain = oMain;
m_ctlData = oData;
oScript = new Alert {
License = "XRT93NQR79ABTW788XR48"
};
Symbols = new List <string>();
DataBars = new List <DataManager.BarData>();
//Setup the results grid
grdResults.RowTemplate.Height = 28;
grdResults.ShowCellToolTips = false;
grdResults.GridColor = Color.FromArgb(50, 50, 50);
grdResults.RowsDefaultCellStyle.SelectionBackColor = Color.Black;
grdResults.RowsDefaultCellStyle.SelectionForeColor = Color.Yellow;
grdResults.BackgroundColor = Color.Black;
grdResults.ForeColor = Color.White;
grdResults.DefaultCellStyle.BackColor = Color.Black;
grdResults.DefaultCellStyle.ForeColor = Color.White;
grdResults.RowTemplate.Height = 30;
DataGridViewTextBoxColumn tradeTime = new DataGridViewTextBoxColumn();
{
tradeTime.HeaderText = "Trade Time";
tradeTime.Name = "Trade Time";
tradeTime.ReadOnly = true;
grdResults.Columns.Add(tradeTime);
}
DataGridViewTextBoxColumn symbolCol = new DataGridViewTextBoxColumn();
{
symbolCol.HeaderText = "Symbol";
symbolCol.Name = "Symbol";
symbolCol.ReadOnly = true;
}
grdResults.Columns.Add(symbolCol);
DataGridViewTextBoxColumn lastCol = new DataGridViewTextBoxColumn();
{
lastCol.HeaderText = "Last";
lastCol.Name = "Last";
lastCol.ReadOnly = true;
lastCol.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
}
grdResults.Columns.Add(lastCol);
DataGridViewBarGraphColumn volumeCol = new DataGridViewBarGraphColumn();
{
volumeCol.HeaderText = "Volume";
volumeCol.Name = "Volume";
volumeCol.ReadOnly = true;
volumeCol.SortMode = DataGridViewColumnSortMode.Automatic;
volumeCol.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
}
grdResults.Columns.Add(volumeCol);
DataGridViewTextBoxScannerColorColumn alertTime = new DataGridViewTextBoxScannerColorColumn();
{
alertTime.HeaderText = "Alert Time";
alertTime.Name = "Alert Time";
alertTime.ReadOnly = true;
grdResults.Columns.Add(alertTime);
}
DataGridViewButtonColumn tradeCol = new DataGridViewButtonColumn();
{
tradeCol.HeaderText = "Trade";
tradeCol.Name = "Trade";
tradeCol.Text = "Trade";
tradeCol.ToolTipText = "Enter Order";
tradeCol.DefaultCellStyle.NullValue = "Trade";
tradeCol.UseColumnTextForButtonValue = true;
}
grdResults.Columns.Add(tradeCol);
DataGridViewButtonColumn chartCol = new DataGridViewButtonColumn();
{
chartCol.HeaderText = "Chart";
chartCol.Name = "Chart";
chartCol.Text = "Chart";
chartCol.UseColumnTextForButtonValue = true;
}
grdResults.Columns.Add(chartCol);
DataGridViewButtonColumn settingsCol = new DataGridViewButtonColumn();
{
settingsCol.HeaderText = "Settings";
settingsCol.Name = "Settings";
settingsCol.Text = "Settings";
settingsCol.ToolTipText = "Edit Settings";
settingsCol.DefaultCellStyle.NullValue = "Settings";
settingsCol.UseColumnTextForButtonValue = true;
grdResults.Columns.Add(settingsCol);
}
DataGridViewImageButtonColumn lockCol = new DataGridViewImageButtonColumn();
{
lockCol.HeaderText = "Lock Script";
lockCol.Name = "Locked";
grdResults.Columns.Add(lockCol);
}
DataGridViewImageButtonColumn startCol = new DataGridViewImageButtonColumn();
{
startCol.HeaderText = "Pause";
startCol.Name = "Start";
startCol.ToolTipText = "Start Scan";
grdResults.Columns.Add(startCol);
}
UpdateStyle(m_frmMain.m_Style);
}
private void LoadScanner()
{
string scanName = cboScanners.Text.Trim();
if (string.IsNullOrEmpty(scanName))
{
return;
}
m_loading = true;
cmdSave.Enabled = false;
cmdDelete.Enabled = false;
cboScanners.Enabled = false;
txtScannerName.Text = scanName;
string data;
try
{
data = svc.GetUserData(frmMain.ClientId, frmMain.ClientPassword, frmMain.LicenseKey, "Scanner Settings: " + scanName);
}
catch (Exception)
{
MessageBox.Show("Failed to load scanner.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
cmdSave.Enabled = true;
cmdDelete.Enabled = true;
cboScanners.Enabled = true;
return;
}
string[] text = data.Split(Utils.Chr(134));
if (text.Length < 4)
{
return;
}
List <string> strRows = new List <string>(text[0].Split(Utils.Chr(145)));
char d = Utils.Chr(182);
//Clear everything
m_stop = false;
m_TSAlertDictionary.Clear();
m_DGVRowDictionary.Clear();
grdResults.Rows.Clear();
DataGridViewBarGraphColumn volumeCol = (DataGridViewBarGraphColumn)grdResults.Columns["Volume"];
if (volumeCol != null)
{
volumeCol.MaxValue = 0;
}
//Load all symbols
Symbols.Clear();
string[] strRow;
for (int n = 0; n < strRows.Count - 1; n++)
{
strRow = strRows[n].Split(d);
Symbols.Add(strRow[0]);
}
//Global settings
switch (text[1])
{
case "Minutely":
Periodicity = Periodicity.Minutely;
break;
case "Hourly":
Periodicity = Periodicity.Hourly;
break;
case "Daily":
Periodicity = Periodicity.Daily;
break;
case "Weekly":
Periodicity = Periodicity.Weekly;
break;
}
Interval = Convert.ToInt32(text[2]);
Bars = Convert.ToInt32(text[3]);
Script = text[4];
//Prime data
LoadAllSymbolsIntoMemory();
//Go back through for settings
for (int n = 0; n < strRows.Count - 2; n++)
{
strRow = strRows[n].Split(new[] { d });
if (strRow.Length < 3)
{
continue;
}
for (int j = 0; j < grdResults.Rows.Count; j++)
{
if (string.Compare(grdResults.Rows[j].Cells["Symbol"].Value.ToString(), strRow[0], true) == 0)
{
DataGridViewImageButtonCell start = (DataGridViewImageButtonCell)grdResults.Rows[j].Cells["Start"];
start.Checked = string.Compare(strRow[3], "true", true) == 0;
Alert oAlert = m_TSAlertDictionary[strRow[0]];
if (oAlert != null)
{
if (!start.Checked)
{
oAlert.AlertScript = strRow[1];
}
else
{
oAlert.AlertScript = strRow[1];
}
}//oAlert != null
DataGridViewImageButtonCell @lock = (DataGridViewImageButtonCell)grdResults.Rows[j].Cells["Locked"];
@lock.Checked = string.Compare(strRow[2], "true", true) == 0;
break;
} //if grdResults
} //for j
} //for n
m_loading = false;
m_changed = false;
UpdateName(txtScannerName.Text);
cmdSave.Enabled = true;
cmdDelete.Enabled = true;
cboScanners.Enabled = true;
cmdDelete.Enabled = cboScanners.SelectedIndex != -1;
}
//Loads all required data into memory. This function must be called first.
public bool LoadAllSymbolsIntoMemory()
{
//Verify the input and check script for errors
if (m_ctlData == null || !TestScripts())
{
return(false);
}
EnableControls(false);
//Clear everything
m_stop = false;
m_TSAlertDictionary.Clear();
m_DGVRowDictionary.Clear();
grdResults.Rows.Clear();
DataGridViewBarGraphColumn volumeCol = (DataGridViewBarGraphColumn)grdResults.Columns["Volume"];
if (volumeCol != null)
{
volumeCol.MaxValue = 0;
}
//Load history for all symbols into memory
pnlProgress.Cursor = Cursors.WaitCursor;
pnlProgress.Visible = true;
if (Symbols.Count > 1)
{
ProgressBar1.Properties.Maximum = Symbols.Count - 1;
}
ChartSelection selection = new ChartSelection
{
Periodicity = Periodicity,
Interval = Interval,
Bars = Bars * 3
};
if (selection.Bars < 50)
{
selection.Bars = 50;
}
lblInfo.Text = "Priming scanner, please wait...";
for (int n = 0; n < Symbols.Count; n++)
{
string symbol = Symbols[n];
if (m_stop)
{
break;
}
if (m_TSAlertDictionary.ContainsKey(symbol))
{
continue;
}
selection.Symbol = symbol;
ProgressBar1.Properties.Value = n;
lblSymbol.Text = symbol;
Application.DoEvents();
//Get historic data
var bars = m_ctlData.GetHistory(symbol, this, selection.Periodicity, selection.Interval, selection.Bars);
if (bars == null || bars.Count < 3)
{
continue;
}
//Insert the data into TradeScript
Alert oAlert = new Alert {
License = "XRT93NQR79ABTW788XR48"
};
foreach (M4.DataServer.Interface.BarData t in bars)
{
double jDate = oAlert.ToJulianDate(t.TradeDate.Year, t.TradeDate.Month, t.TradeDate.Day,
t.TradeDate.Hour, t.TradeDate.Minute, t.TradeDate.Second,
t.TradeDate.Millisecond);
oAlert.AppendHistoryRecord(jDate, t.OpenPrice, t.HighPrice, t.LowPrice, t.ClosePrice, (int)t.VolumeF);
}
//Start the alert object by adding the script
oAlert.AlertScript = Script;
oAlert.Symbol = symbol;
oAlert.ScriptError += oScript_ScriptError;
oAlert.Alert += OnAlert;
m_TSAlertDictionary.Add(symbol, oAlert);
//Add symbol to datagridview
int row;
try
{
row = grdResults.Rows.Add(new DataGridViewRow());
}
catch (Exception)
{
return(false);
}
m_DGVRowDictionary.Add(symbol, grdResults.Rows[row]);
grdResults.Rows[row].Height = 25;
M4.DataServer.Interface.BarData lastBar = bars.Last();
DataGridViewTextBoxScannerColorCell alertDateTime = (DataGridViewTextBoxScannerColorCell)grdResults.Rows[row].Cells["Alert Time"];
alertDateTime.HighlightOnly = true;
alertDateTime.Value = lastBar.TradeDate;
alertDateTime.Interval = 5000;
grdResults.Rows[row].Cells["Trade Time"].Value = lastBar.TradeDate;
grdResults.Rows[row].Cells["Symbol"].Value = symbol;
grdResults.Rows[row].Cells["Last"].Value = Format.ToUsCurrency(lastBar.ClosePrice);
grdResults.Rows[row].Cells["Volume"].Value = Format.ToLocalInteger((int)lastBar.VolumeF);
DataGridViewButtonCell button = (DataGridViewButtonCell)grdResults.Rows[row].Cells["Trade"];
button.Value = "Trade";
button.FlatStyle = FlatStyle.Flat;
button = (DataGridViewButtonCell)grdResults.Rows[row].Cells["Chart"];
button.Value = "Chart";
button.FlatStyle = FlatStyle.Flat;
button = (DataGridViewButtonCell)grdResults.Rows[row].Cells["Settings"];
button.Value = "Settings";
button.FlatStyle = FlatStyle.Flat;
button = (DataGridViewButtonCell)grdResults.Rows[row].Cells["Start"];
button.Value = "Start";
button.FlatStyle = FlatStyle.Flat;
DataGridViewImageButtonCell start = (DataGridViewImageButtonCell)grdResults.Rows[row].Cells["Start"];
start.ImageOn = Resources.Play;
start.ImageOff = Resources.Pause;
start.OffsetY = 4;
DataGridViewImageButtonCell @lock = (DataGridViewImageButtonCell)grdResults.Rows[row].Cells["Locked"];
@lock.ImageOn = Resources.Lock;
@lock.ImageOff = Resources.Unlock;
@lock.OffsetY = 2;
}
lblInfo.Text = string.Empty;
pnlProgress.Visible = false;
pnlProgress.Cursor = Cursors.Arrow;
EnableControls(true);
return(true);
}
