static public void Bind(string Symbol, Panel pnQuotes, Label lSymbol, Unit width,
Label lChangePercentChange, Label lVolume, Label lAverageDailyVolume, Label lDividendYield
)
{
if (lSymbol == null || lSymbol.Text != Symbol)
{
StringBuilder sb = new StringBuilder();
foreach (Control c in pnQuotes.Controls)
{
if (c is Label)
{
string s = (c as Label).ID.Substring(1);
if (htYahooMap.ContainsKey(s))
{
sb.Append((string)htYahooMap[s]);
}
}
}
string r = YahooDataManager.TryDownloadRealtimeFromYahoo(Symbol, sb.ToString());
if (r != null)
{
string[] rr = r.Trim().Split('\r');
if (rr.Length > 0)
{
BindData(rr[0], pnQuotes, lChangePercentChange, lVolume, lAverageDailyVolume, lDividendYield);
}
}
}
pnQuotes.Width = width;
}
protected void btnOK_Click(object sender, System.EventArgs e)
{
BindData();
FormulaBase fb = FormulaBase.GetFormulaByName(CurrentFullName);
foreach (string s in Request.Form)
{
if (s.StartsWith("__Param"))
{
fb.SetParam(s.Substring(7), Request.Form[s]);
}
}
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = HttpRuntime.AppDomainAppPath + "Cache\\";
CommonDataProvider DataProvider = (CommonDataProvider)ydm[tbCode.Text];
FormulaChart fc = new FormulaChart();
fc.AddArea("MAIN", 2);
if (CurrentProgram.IsMainView)
{
fc[0].AddFormula(fb);
}
else
{
fc.AddArea(fb);
}
fc.LatestValueType = LatestValueType.StockOnly;
fc.SetSkin(Config.DefaultSkin);
try
{
fc.DataProvider = DataProvider;
FormulaData fdDate = DataProvider["DATE"];
string s = tbCode.Text;
if (fdDate.Length > 0)
{
s += " (" + DateTime.FromOADate(fdDate[fdDate.Length - 1]).ToString("yyyy-MMM-dd", DateTimeFormatInfo.InvariantInfo) + ")";
}
fc[0].Formulas[0].Name = s;
fc[0].Formulas[0].TextInvisible = false;
fc.StartTime = DateTime.Now.AddMonths(-8);
fc.EndTime = DateTime.Now;
}
catch (Exception ee)
{
Bitmap b = new Bitmap(640, 480);
Graphics g = Graphics.FromImage(b);
g.FillRectangle(Brushes.WhiteSmoke, 0, 0, 640, 480);
g.DrawRectangle(Pens.Black, 0, 0, 639, 479);
g.DrawString(ee.Message, new Font("verdana", 10), Brushes.Red, 1, 1);
}
lChart.Text = "<img src=ImageFromCache.aspx?CacheId=" + fc.SaveToImageStream(640, 400, ImageFormat.Png, 0, 0) + ">";
}
public static void UpdateForNewSymbol(string Code, CommonDataProvider cdp, bool Save)
{
Utils.UpdateRealtime(Code, cdp);
if (Save)
{
Impersonate.ChangeToAdmin();
cdp.SaveBinary(GetHisDataFile(Code));
}
RefreshSymbolList();
string[] ss = YahooDataManager.GetStockName(Code);
if (ss.Length == 3)
{
try
{
DB.DoCommand("insert into StockData (QuoteCode,QuoteName,Exchange) values (?,?,?)",
new DbParam[] {
new DbParam("@Code", DbType.String, Code),
new DbParam("@Name", DbType.String, ss[1]),
new DbParam("@Exchange", DbType.String, ss[2]),
});
}
catch
{
}
}
cdp.SetStringData("Code", ss[0]);
cdp.SetStringData("Name", ss[1]);
cdp.SetStringData("Exchange", ss[2]);
}
static public void SetYahooCacheRoot(IDataManager idm)
{
if (idm is YahooDataManager)
{
YahooDataManager ydm = idm as YahooDataManager;
ydm.CacheRoot = HttpRuntime.AppDomainAppPath + "Cache\\";
}
}
private void btnOK_Click(object sender, System.EventArgs e)
{
//Create a Formula namespace
FormulaSpace fms = new FormulaSpace("FML");
//Create a Formula program , set Formula name and script code on the fly
FormulaProgram fp = new FormulaProgram();
fp.Name = tbFormulaName.Text;
fp.Code = tbProgramScript.Text;
//Add the script program to the Formula namespace
fms.Programs.Add(fp);
//Add parameters to Formula program
for (int i = 1; i < 5; i++)
{
if (Request.Form["tbParamName" + i] != "")
{
fp.Params.Add(new FormulaParam(
Request.Form["tbParamName" + i],
Request.Form["tbDefValue" + i],
Request.Form["tbMinValue" + i],
Request.Form["tbMaxValue" + i], FormulaParamType.Double));
}
}
try
{
//Compile the Formula script on the fly
Assembly a = fms.CompileInMemory();
FormulaBase fb = FormulaBase.GetFormulaByName(a, fms.Name + "." + fp.Name);
//Create YahooDataManager , Get stock data from yahoo.
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = HttpRuntime.AppDomainAppPath + "Cache\\";
CommonDataProvider DataProvider = (CommonDataProvider)ydm[tbCode.Text];
//Create financial chart instance
FormulaChart fc = new FormulaChart();
fc.PriceLabelFormat = "{CODE}";
fc.LatestValueType = LatestValueType.Custom;
fc.AddArea("MAIN", 3);
fc.AddArea(fb);
fc.DataProvider = DataProvider;
fc.SetSkin(Config.DefaultSkin);
//Show the temp image just created
lChart.Text = "<img src=ImageFromCache.aspx?CacheId=" + fc.SaveToImageStream(440, 440, ImageFormat.Png, 0, 0) + ">";
}
catch (FormulaErrorException fee)
{
//Show the compile result if the script has some errors
lChart.Text = fee.ToHtml();
}
}
private void miUpdate_Click(object sender, EventArgs e)
{
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = FormulaHelper.Root + "Cache";
ChartForm.DataManager = ydm;
string code = (string)dgList[dgList.CurrentRowIndex, 1];
ChartForm.OpenChartForm(code, MainForm.MdiMainForm, true);
}
/// <summary>
/// Load stock data from yahoo finance
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mmLoadFromYahoo_Click(object sender, System.EventArgs e)
{
string s = InputBox.ShowInputBox("Quote:", "MSFT");
if (s != "")
{
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = FormulaHelper.Root + "Cache";
ChartControl.DataManager = ydm;
ChartControl.EndTime = DateTime.MinValue;
ChartControl.Symbol = s;
}
}
//private YahooDataManager DataManager = new YahooDataManager();
//https://medium.com/@daniel.sagita/backgroundservice-for-a-long-running-work-3debe8f8d25b
protected override async Task ExecuteAsync(CancellationToken stopToken)
{
var DataManager = new YahooDataManager();
//await DataManager.StartService();
//Do your preparation (e.g. Start code) here
while (!stopToken.IsCancellationRequested)
{
await DataManager.StartService();
}
//Do your cleanup (e.g. Stop code) here
}
private void menusubLoadYhoo_Click(object sender, System.EventArgs e)
{
string s = InputBox.ShowInputBox("Quote:", "^IXIC");
if (s != "")
{
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = FormulaHelper.Root + "Cache";
Designer.DataManager = ydm;
Designer.EndTime = DateTime.MinValue;
Designer.Symbol = s;
}
}
private void submnuYhoo_Click(object sender, System.EventArgs e)
{
string s = InputBox.ShowInputBox("Quote:", "FFIV");
if (s != string.Empty)
{
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = FormulaHelper.Root + "Cache";
Designer.DataManager = ydm;
Designer.EndTime = DateTime.MaxValue;
Designer.Symbol = s;
}
}
/// <summary>
/// Load data from yahoo, and start a streaming data thread to update current price.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void miLoadFromYahooStreaming_Click(object sender, System.EventArgs e)
{
//Use yahoo data manager as inner data manager
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = FormulaHelper.Root + "Cache";
//MemoryDataManager manage stock data in memory,
//Use AddNewPacket to add streaming data packet to it.
//Use RemoveSymbol to remove data from memory.
//It takes an inner data manager, all historical data is from the inner data manager
MemoryDataManager mdm = new MemoryDataManager(ydm);
//Assign memory data manager to the chart control.
string s = LoadDataManager(mdm, "MSFT", DataCycle.Day, 200);
//Avoid flicker when refresh the chart
ChartControl.MemoryCrossCursor = true;
//Show 15 days future bar.
ChartControl.EndTime = DateTime.Today.AddDays(15);
//Show chart from 8 months ago.
ChartControl.StartTime = DateTime.Today.AddMonths(-8);
//You can use mdm.AddNewPacket to add a single bar
//mdm.AddNewPacket(new DataPacket("MSFT",DateTime.Now,25,28,24,26,100000,26));
//dcbStream is a DataClientBase class,
//It will let you add streaming data to MemoryDataManager in a thread.
if (dcbStream == null)
{
dcbStream = new YahooDataClient();
//You can use other data client,
//dcbStream = new ProphetDataClient();
//dcbStream.Login("...","...");
//When streaming packet arrive, call dcb_OnStreamingData
dcbStream.OnStreamingData += new StreamingDataChanged(dcb_OnStreamingData);
dcbStream.UtcStreamingTime = false;
//Start the download thread
dcbStream.StartStreaming(s);
}
else
{
//SetStreamingSymbol will set symbol for downloading
//You can use AddSymbol for multi-symbols downloading
dcbStream.SetStreamingSymbol(s);
}
}
private void miQuickAdd_Click(object sender, EventArgs e)
{
string text1 = InputBox.ShowInputBox("Symbol", "");
if (text1 != "")
{
if (StockDB.GetSymbol(text1) == null)
{
string[] textArray1 = YahooDataManager.GetStockName(text1);
if (textArray1.Length == 3)
{
StockDB.LoadSymbolRow(text1, textArray1[1], textArray1[2]);
StockDB.RecreateFolders();
ListForm.Current.SymbolChanged = true;
ListForm.Current.RefreshList();
}
}
}
ListForm.Current.GotoSymbol(text1);
}
public override IDataProvider GetData(string Code, int Count)
{
CommonDataProvider cdp = (CommonDataProvider)htHistorical[Code];
if (cdp == null)
{
YahooDataManager ydm = new YahooDataManager();
ydm.StartTime = this.StartTime;
ydm.EndTime = this.EndTime;
ydm.CacheRoot = FormulaHelper.Root + "Cache";
cdp = (CommonDataProvider)ydm[Code, Count];
htHistorical[Code] = cdp;
}
DataPacket dp = (DataPacket)htPacket[Code];
if (dp != null)
{
cdp.Merge(dp);
}
return(cdp);
}
public static void UpdateDateAndOpenChartForm(string code, Form Owner, bool NewWindow)
{
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = FormulaHelper.Root + "Cache";
CommonDataProvider cdp = new CommonDataProvider(ydm);
if (mCurrentChartForm == null || NewWindow)
{
mCurrentChartForm = new ChartForm();
mCurrentChartForm.MdiParent = Owner;
mCurrentChartForm.Show();
FormList.Add(mCurrentChartForm);
}
mCurrentChartForm.m_code = code;
mCurrentChartForm.om.SaveObject(mCurrentChartForm.m_code);
((ChartWinControl)mCurrentChartForm.om.Canvas).ShowChart(cdp);
mCurrentChartForm.Activate();
mCurrentChartForm.om.LoadObject(code);
}
static public void DownloadYahooHistory(string Symbol, bool Force, bool AddRealtime)
{
string FileName = DBDataManager.GetHisDataFile(Symbol);
if (Force || !File.Exists(FileName))
{
DateTime d = DateTime.Now.AddDays(3);
string URL = "http://table.finance.yahoo.com/table.csv?s={0}&d=" + (d.Month - 1) + "&e=" + d.Day + "&f=" + d.Year + "&g=d&a=6&b=30&c=" + Config.HistoricalDataYear + "&ignore=.csv";
string s = string.Format(URL, Symbol);
byte[] bs = DownloadData(s);
CommonDataProvider cdpn = new YahooDataManager().LoadYahooCSV(bs);
if (AddRealtime)
{
cdpn.Merge(DataPacket.DownloadFromYahoo(Symbol));
}
UpdateRealtime(Symbol, cdpn);
if (File.Exists(FileName))
{
File.Delete(FileName);
}
cdpn.SaveBinary(FileName);
}
}
private void Bind()
{
Control tbSymbol = Parent.FindControl(symbolControl);
if (tbSymbol is TextBox)
{
string Symbol = (tbSymbol as TextBox).Text;
if (lSymbol.Text != Symbol)
{
StringBuilder sb = new StringBuilder();
foreach (Control c in pnQuotes.Controls)
{
if (c is Label)
{
string s = (c as Label).ID.Substring(1);
if (htYahooMap.ContainsKey(s))
{
sb.Append((string)htYahooMap[s]);
}
}
}
string r = YahooDataManager.TryDownloadRealtimeFromYahoo(Symbol, sb.ToString());
if (r != null)
{
string[] rr = r.Trim().Split('\r');
if (rr.Length > 0)
{
BindData(rr[0]);
}
}
}
}
pnQuotes.Width = width;
}
protected void Page_Load(object sender, System.EventArgs e)
{
int Height = 800;
int Width = 600;
Bitmap B;
try
{
long Start = DateTime.Now.Ticks;
ExchangeIntraday ei = null;
DateTime StartTime = DateTime.Today.AddMonths(-6);
DateTime EndTime = DateTime.Today;
string Param = Request.QueryString["Span"];
if (Param != null && Param != "")
{
DataCycle dc;
if (Param.Length > 2)
{
dc = DataCycle.Parse(Param);
}
else
{
dc = new DataCycle(DataCycleBase.MONTH, Tools.ToIntDef(Param, 6));
}
StartTime = EndTime - dc;
//StartTime = EndTime.AddMonths(-Tools.ToIntDef(Param,6));
}
//Create financial chart instance
FormulaChart fc = new FormulaChart();
string Main = Request.QueryString["Main"];
if (Main == null || Main == "")
{
fc.AddArea("MAIN", 3);
}
else
{
fc.AddArea(Main, 3);
}
string QuoteCode = Request.QueryString["Code"];
if (QuoteCode == null)
{
QuoteCode = "";
}
DataManagerBase dmb;
Param = Request.QueryString["Provider"];
if (Param == null)
{
Param = "";
}
if (string.Compare(Param, "DB", true) == 0)
{
//Create DBDataManager , Get stock data from sql server.
dmb = new DBDataManager();
((DBDataManager)dmb).AutoYahooToDB =
Request.QueryString["His"] != "0" && Config.AutoYahooToDB == 1;
if (Request.QueryString["RT"] == "1")
{
((DataManagerBase)dmb).DownloadRealTimeQuote = true;
}
}
else if (Param == "" || string.Compare(Param, "Yahoo", true) == 0)
{
//Create YahooDataManager , Get stock data from yahoo.
dmb = new YahooDataManager();
((YahooDataManager)dmb).CacheRoot = HttpRuntime.AppDomainAppPath + "Cache\\";
if (Config.IncludeTodayQuote == 1)
{
((DataManagerBase)dmb).DownloadRealTimeQuote = true;
}
}
else
{
string ManagerName = "WebDemos." + Param + "DataManager";
Type t = Type.GetType(ManagerName);
if (t == null)
{
throw new Exception(ManagerName + " not found!");
}
dmb = (DataManagerBase)Activator.CreateInstance(t);
if (dmb is IntraDataManagerBase)
{
ei = ExchangeIntraday.GetExchangeIntraday(Utils.GetExchange(QuoteCode));
((CacheDataManagerBase)dmb).CacheTimeSpan = TimeSpan.FromMilliseconds(Config.IntradayCacheTime * 1000);
//((CacheDataManagerBase)dmb).EnableFileCache = false;
StartTime = ei.GetCurrentTradingDay();
EndTime = StartTime.AddSeconds(3600 * 24 - 1);
QuoteCode = Utils.GetPart1(QuoteCode);
}
dmb.EndTime = Utils.ToDateDef(Request.QueryString["End"], EndTime);
dmb.StartTime = Utils.ToDateDef(Request.QueryString["Start"], StartTime);
}
int MainIndex = 0;
if (Config.SymbolCase == "Upper")
{
QuoteCode = QuoteCode.ToUpper();
}
else if (Config.SymbolCase == "Lower")
{
QuoteCode = QuoteCode.ToLower();
}
string[] QuoteCodes = QuoteCode.Split(',');
string Over = "";
QuoteCode = QuoteCodes[0];
for (int i = 1; i < QuoteCodes.Length; i++)
{
if (Over != "")
{
Over += ";";
}
Over += "Compare(" + QuoteCodes[i] + ")";
}
Param = Request.QueryString["IND"];
string[] Inds = null;
if (Param != null && Param != "")
{
Inds = Param.Split(';');
}
//Set stock chart size
Param = Request.QueryString["Size"];
try
{
if (Param != null && Param != "")
{
int i = Param.IndexOf('*');
if (i > 0)
{
Width = int.Parse(Param.Substring(0, i));
Height = int.Parse(Param.Substring(i + 1));
}
else
{
Width = int.Parse(Param);
Height = Width * 3 / 4;
if (Inds != null && Inds.Length > 1)
{
Height += Height / 5 * (Inds.Length - 2);
}
Height += 36;
}
}
}
catch
{
}
CommonDataProvider DataProvider = (CommonDataProvider)dmb[QuoteCode];
if (DataProvider == null)
{
throw new Exception(QuoteCode + " not found!");
}
if (dmb is IntraDataManagerBase)
{
fc.FixedTime = object.Equals(Request.QueryString["Fix"], "1");
if (fc.FixedTime)
{
DataProvider.IntradayInfo = ei;
}
}
if (DataProvider.Count == 0)
{
throw new Exception("No data found!");
}
fc[MainIndex].Formulas[0].Name = QuoteCode;
//Add MA lines to main stock view
Param = Request.QueryString["MA"];
if (Param != null && Param != "")
{
foreach (string s in Param.Split(';'))
{
if (s != "")
{
fc[MainIndex].AddFormula("FML.MA(" + s + ")");
}
}
}
//Add EMA lines to main stock view
Param = Request.QueryString["EMA"];
if (Param != null && Param != "")
{
foreach (string s in Param.Split(';'))
{
if (s != "")
{
fc[MainIndex].AddFormula("FML.EMA(" + s + ")");
}
}
}
//Add override lines to main stock view
Param = Request.QueryString["OVER"];
if (Param != null && Param != "")
{
if (Over != "")
{
Param = Param + ";" + Over;
}
}
else
{
Param = Over;
}
if (dmb is IntraDataManagerBase)
{
string s = DataProvider.GetStringData("LastPrice");
if (s != null && s != "")
{
double d = double.Parse(s);
s = "DotLine(" + d.ToString("f2") + ")";
if (Param != null && Param != "")
{
Param += ";" + s;
}
else
{
Param = s;
}
}
}
if (Param != null && Param != "")
{
//foreach(string s in Param.Split(';'))
string[] ss = Param.Split(';');
for (int i = 0; i < ss.Length; i++)
{
string s = ss[i].ToUpper();
if (s != "")
{
if (s == "AreaBB")
{
fc[MainIndex].InsertFormula(0, "FML." + s);
}
else
{
fc[MainIndex].AddFormula("FML." + s);
}
}
}
}
//Add indicators to stock chart
if (Inds != null)
{
foreach (string s in Inds)
{
if (s != "")
{
int k = s.IndexOf("{U}");
if (k > 0)
{
fc.InsertArea(MainIndex, "FML." + s.Substring(0, k));
MainIndex++;
}
else
{
fc.AddArea("FML." + s);
}
}
}
}
//Apply build-in stock chart skin
Param = Request.QueryString["Skin"];
if (Param == null || Param == "")
{
Param = Config.DefaultSkin;
}
FormulaSkin fs = FormulaSkin.GetSkinByName(Param);
if (fs != null)
{
if (Config.YAxisFormat != "")
{
fs.AxisY.Format = Config.YAxisFormat;
}
if (Config.ShowXAxisInLastArea)
{
fs.ShowXAxisInLastArea = true;
}
fc.SetSkin(fs);
}
try
{
fc.LatestValueType = (LatestValueType)Enum.Parse(typeof(LatestValueType), Config.LatestValueType, true);
}
catch
{
}
//Add compare line to other stocks
Param = Request.QueryString["COMP"];
if (Param != null && Param != "")
{
foreach (string s in Param.Split(';', ','))
{
if (s != "")
{
fc[MainIndex].AddFormula("COMPARE(" + s + ")");
}
}
fc[MainIndex].AxisY.ShowAsPercent = true;
fc[MainIndex].AxisY.Format = "p1";
fc.LatestValueType = LatestValueType.None;
}
//Set stock chart time period
fc.EndTime = Utils.ToDateDef(Request.QueryString["End"], EndTime);
fc.StartTime = Utils.ToDateDef(Request.QueryString["Start"], StartTime);
DataProvider.DataCycle = DataCycle.Parse(Request.QueryString["Cycle"]);
//Set X-Axis format
string XFormat = Request.QueryString["XFormat"];
if (XFormat != null && XFormat != "")
{
fc.AxisXFormat = XFormat;
fc.AllXFormats = null;
}
//Set Y-Axis format
string YFormat = Request.QueryString["YFormat"];
if (YFormat != null && YFormat != "")
{
fc.AxisYFormat = YFormat;
}
//Set X-Axis cycle
string XCycle = Request.QueryString["XCycle"];
if (XCycle != null && XCycle != "")
{
fc.DataCycle = DataCycle.Parse(XCycle);
}
//Set render type : Bar , Candle or Line
Param = Request.QueryString["Type"];
if (Param != null && Param != "")
{
StockRenderType srt;
if (Param.Length == 1)
{
srt = (StockRenderType)int.Parse(Param);
}
else
{
srt = (StockRenderType)Enum.Parse(typeof(StockRenderType), Param, true);
}
fc[MainIndex].StockRenderType = srt;
}
//Set Scale type : Normal or Log
Param = Request.QueryString["Scale"];
if (Param != null && Param != "")
{
ScaleType st;
if (Param.Length == 1)
{
st = (ScaleType)int.Parse(Param);
}
else
{
st = (ScaleType)Enum.Parse(typeof(ScaleType), Param, true);
}
fc[MainIndex].AxisY.Scale = st;
}
//Bottom margin
Param = Request.QueryString["BMargin"];
if (Param != null && Param != "")
{
fc[MainIndex].BottomMargin = Tools.ToDoubleDef(Param, 0);
}
//Bind stock data
fc.DataProvider = DataProvider;
for (int i = 1; i < fc[MainIndex].FormulaDataArray.Count; i++)
{
if (fc[MainIndex][i].ParentFormula.FormulaName.StartsWith("COMPARE"))
{
FormulaAxisY fay = fc[MainIndex].AddNewAxisY(AxisPos.Left);
FormulaData fd = fc[MainIndex][i];
fd.Transform = Transform.Normal;
fd.AxisYIndex = 1;
break;
}
}
fc[MainIndex].AxisY.MajorTick.ShowLine = Config.ShowMainAreaLineY;
fc[MainIndex].AxisX.MajorTick.ShowLine = Config.ShowMainAreaLineX;
//Set indicator line width
Param = Request.QueryString["Width"];
if (Param != null && Param != "")
{
float LineWidth = float.Parse(Param);
for (int i = 0; i < fc.Areas.Count; i++)
{
fc[i].LinePen.Width = LineWidth;
}
}
fc[MainIndex].AxisY.AutoMultiply = false;
if (Request.QueryString["SV"] == "0")
{
fc.ShowValueLabel = false;
}
fc.StickRenderType = Config.StickRenderType;
Rectangle Rect = new Rectangle(0, 0, Width, Height);
Param = Request.QueryString["Layout"];
if (Param == null || Param == "")
{
Param = "Default";
}
string[] Layouts = Param.Split(';', ',');
Layout L = Layout.ParseString(Config.Read(Layouts[0] + "Layout", "ChartRect=(0,0,0,0)"), Rect); //,DataProvider);
for (int j = 1; j < Layouts.Length; j++)
{
L.Merge(Layout.ParseString(Config.Read(Layouts[j] + "Layout", "ChartRect=(0,0,0,0)"), Rect)); //,DataProvider));
}
L.CompanyName = Config.CompanyName;
L.URL = Config.URL;
L.StartTick = Start;
fc.Rect = L.ChartRect;
B = fc.GetBitmap(Width, Height, fc.Rect);
Graphics g = Graphics.FromImage(B);
L.Render(g, Rect, fc);
int X = Tools.ToIntDef(Request.QueryString["X"], 0);
int Y = Tools.ToIntDef(Request.QueryString["Y"], 0);
if (X > 0 && Y > 0)
{
fc.Rect = new Rectangle(0, 0, Width, Height);
fc.ShowCursorLabel = true;
fc.DrawCursor(g, X, Y);
}
}
catch (Exception ex)
{
B = new Bitmap(Width, Height);
Graphics g = Graphics.FromImage(B);
g.Clear(Color.White);
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
g.DrawString(ex.Message, new Font("Verdana", 12),
new SolidBrush(Color.FromArgb(196, Color.Black)), new Rectangle(0, 0, Width, Height), sf);
}
//Create stock image to Bitmap
Response.ContentType = "Image/" + Config.ImageFormat;
//Create chart stream
MemoryStream ms = new MemoryStream();
if (Config.ImageFormat == "Gif")
{
Type tQuantization = (Type)Application["Quantization"];
if (tQuantization == null)
{
Assembly[] ass = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly a in ass)
{
if (a.FullName.StartsWith("ImageQuantization"))
{
tQuantization = a.GetType("ImageQuantization.OctreeQuantizer");
}
}
Application["Quantization"] = tQuantization;
}
if (tQuantization != null)
{
object[] os;
if (Config.TransparentColor.IsEmpty)
{
os = new object[] { B, ms, Config.GifColors }
}
;
else
{
os = new object[] { B, ms, Config.GifColors, Config.TransparentColor }
};
tQuantization.InvokeMember("Save",
BindingFlags.Public | BindingFlags.Static | BindingFlags.InvokeMethod, null, null, os);
}
if (ms.Length == 0)
{
B.Save(ms, ImageFormat.Png);
}
}
else if (Config.ImageFormat == "Png")
{
B.Save(ms, ImageFormat.Png);
}
else if (Config.ImageFormat == "Jpeg")
{
B.Save(ms, ImageFormat.Jpeg);
}
//Output the chart stream to web browser
ms.WriteTo(Response.OutputStream);
}
public override IDataProvider GetData(string Code, int Count)
{
Code = Code.Trim();
Hashtable htList = GetSymbolListHashtable();
string s = (string)htList[Code];
CommonDataProvider cdpn = new CommonDataProvider(this);
byte[] bs = new byte[] {};
string[] ss = null;
if (s != null)
{
ss = s.Split(',');
if (ss[3] != "")
{
string r = (string)htList[ss[3]];
if (r != null)
{
ss = r.Split(',');
}
}
if (Count > 0)
{
// Load data from file
bs = LoadHisDataFromFile(Code, Count * DataPacket.PacketByteSize);
if (DownloadRealTimeQuote)
{
try
{
DataPacket dp = DataPacket.DownloadFromYahoo(Code);
if (dp != null && !dp.IsZeroValue)
{
bs = CommonDataProvider.MergeOneQuote(bs, dp);
}
}
catch
{
}
}
cdpn.LoadByteBinary(bs);
// Update data from yahoo
if (AutoYahooToDB)
{
string FileName = GetHisDataFile(Code);
DateTime d = new DateTime(1900, 1, 1);
try
{
d = File.GetLastWriteTime(FileName); // GetLastAccessTime(FileName);
}
catch
{
}
DateTime d1 = DateTime.Now.Date;
DateTime d2 = d.Date;
TimeSpan ts = d1 - d2;
if (ts.TotalDays > 0)
{
YahooDataManager ydm = new YahooDataManager();
CommonDataProvider cdpDelta = (CommonDataProvider)ydm[Code, ts.Days + 5];
cdpDelta.Adjusted = false;
if (cdpDelta.Count > 0)
{
double[] dd1 = cdpDelta["DATE"];
double[] dd2 = cdpn["DATE"];
if (cdpn.Count == 0 || (int)dd2[dd2.Length - 1] < (int)dd1[dd1.Length - 1])
{
cdpn.Merge(cdpDelta);
Impersonate.ChangeToAdmin();
Utils.UpdateRealtime(Code, cdpn);
}
}
cdpn.SaveBinary(FileName);
}
}
}
}
else
{
try
{
// Download data from yahoo
if (AutoYahooToDB)
{
YahooDataManager ydm = new YahooDataManager();
cdpn = (CommonDataProvider)ydm[Code];
if (cdpn.Count > 0)
{
UpdateForNewSymbol(Code, cdpn, true);
}
else
{
throw new Exception("Invalid Quote : " + Code);
}
}
else
{
cdpn.LoadByteBinary(bs);
}
}
catch (Exception e)
{
Tools.Log(e.Message);
cdpn.LoadByteBinary(bs);
}
}
//cdpn = TrimToEndTime(cdpn);
cdpn.SetStringData("Code", Code);
if (ss != null && ss.Length > 2)
{
cdpn.SetStringData("Code", ss[0]);
cdpn.SetStringData("Name", ss[1]);
cdpn.SetStringData("Exchange", ss[2]);
}
return(cdpn);
}
protected void btnOK_Click(object sender, System.EventArgs e)
{
//Create a Formula namespace
FormulaSpace fms = new FormulaSpace("FML");
//Create a Formula program , set Formula name and script code on the fly
FormulaProgram fp = new FormulaProgram();
fp.Name = tbFormulaName.Text;
fp.Code = tbProgramScript.Text;
//Add the script program to the Formula namespace
fms.Programs.Add(fp);
//Add parameters to Formula program
for (int i = 1; i < 5; i++)
{
if (Request.Form["tbParamName" + i] != "")
{
fp.Params.Add(new FormulaParam(
Request.Form["tbParamName" + i],
float.Parse(Request.Form["tbDefValue" + i]),
float.Parse(Request.Form["tbMinValue" + i]),
float.Parse(Request.Form["tbMaxValue" + i])));
}
}
try
{
//Compile the Formula script on the fly
Assembly a = fms.CompileInMemory(HttpRuntime.BinDirectory);
FormulaBase fb = FormulaBase.GetFormulaByName(a, fms.Name + "." + fp.Name);
//Create YahooDataManager , Get stock data from yahoo.
YahooDataManager ydm = new YahooDataManager();
ydm.CacheRoot = HttpRuntime.AppDomainAppPath + "Cache\\";
CommonDataProvider DataProvider = (CommonDataProvider)ydm[tbCode.Text];
//Create financial chart instance
FormulaChart fc = new FormulaChart();
fc.AddArea("MAIN", 3);
fc.AddArea(fb);
fc.DataProvider = DataProvider;
fc.SetSkin(Config.DefaultSkin);
//Show the temp image just created
lChart.Text = "<img src=ImageFromCache.aspx?CacheId=" + fc.SaveToImageStream(440, 440, ImageFormat.Png, 0, 0) + ">";
}
catch (FormulaErrorException fee)
{
//Show the compile result if the script has some errors
lChart.Text = "<font color=red>";
foreach (System.CodeDom.Compiler.CompilerError ce in fee.ces)
{
FormulaProgram fpa = fms.GetProgramByLineNum(ce.Line);
if (fpa != null)
{
fpa.AdjustErrors(ce);
lChart.Text += string.Format("Name:{0} line:{1} column:{2} error:{3} {4}<br>", fpa.Name, ce.Line, ce.Column, ce.ErrorNumber, ce.ErrorText);
}
}
lChart.Text += "</font>";
}
}
