// build config string from the dialog data
internal YConfiguration GetNewSettings()
{
YConfiguration newSettings = new YConfiguration();
newSettings.RefreshPeriod = (int)numericUpDownRefreshInterval.Value;
return(newSettings);
}
public static YConfiguration GetDefaultConfigObject()
{
YConfiguration defConfig = new YConfiguration();
defConfig.RefreshPeriod = 10;
return(defConfig);
}
private static Queue <string> refreshQueue; // tickers waiting to be refreshed
#endregion
/// <summary>
/// constructor to save params and init objects
/// </summary>
/// <param name="config"></param>
/// <param name="workSpace"></param>
public YDatabase(YConfiguration config, Workspace workSpace)
{
this.config = config;
this.workspace = workSpace;
this.tickers = new TickerDataCollection();
this.timer = new Timer(timer_tick, null, Timeout.Infinite, Timeout.Infinite);
refreshQueue = new Queue <string>();
}
public static string GetConfigString(YConfiguration configuration)
{
XmlSerializer serializer = new XmlSerializer(typeof(YConfiguration));
Stream stream = new MemoryStream();
serializer.Serialize(XmlWriter.Create(stream), configuration);
stream.Seek(0, SeekOrigin.Begin);
StreamReader streamReader = new StreamReader(stream);
return(streamReader.ReadToEnd());
}
// constructor
internal YConfigureForm(YConfiguration oldSettings, ref InfoSite infoSite)
{
this.infoSite = infoSite;
InitializeComponent();
if (oldSettings == null)
{
oldSettings = YConfiguration.GetDefaultConfigObject();
}
// read and set values in controlls
numericUpDownRefreshInterval.Value = oldSettings.RefreshPeriod;
}
public static new string Configure(string oldSettings, ref InfoSite infoSite)
{
YConfiguration configuration = YConfiguration.GetConfigObject(oldSettings);
YConfigureForm frm = new YConfigureForm(configuration, ref infoSite);
if (frm.ShowDialog() == DialogResult.OK)
{
return(YConfiguration.GetConfigString(frm.GetNewSettings()));
}
else
{
return(oldSettings);
}
}
public override bool Notify(ref PluginNotification notifyData)
{
bool result = true;
switch (notifyData.Reason)
{
case Reason.DatabaseLoaded:
// if database is loaded
if (database != null)
{
// disconnect from data provider and reset all data
database.Disconnect();
}
// start logging the opening of the database
LogAndMessage.Log(MessageType.Info, "Database: " + notifyData.DatabasePath);
allowMixedEodIntra = notifyData.Workspace.AllowMixedEODIntra != 0;
LogAndMessage.Log(MessageType.Info, "Mixed EOD/Intra: " + allowMixedEodIntra);
numBars = notifyData.Workspace.NumBars;
LogAndMessage.Log(MessageType.Info, "Number of bars: " + numBars);
LogAndMessage.Log(MessageType.Info, "Database config: " + Settings);
// create the config object
config = YConfiguration.GetConfigObject(Settings);
// create new database object
database = new YDatabase(config, notifyData.Workspace);
// connect database to data provider
database.Connect();
break;
// user changed the db
case Reason.DatabaseUnloaded:
// disconnect from data provider
if (database != null)
{
database.Disconnect();
}
// clean up
database = null;
break;
// seams to be obsolete
case Reason.SettingsChanged:
break;
// user right clicks data plugin area in AB
case Reason.RightMouseClick:
if (database != null)
{
currentTicker = notifyData.CurrentSI.ShortName;
SetContextMenuState();
ShowContextMenu(mContextMenu);
}
break;
default: result = false;
break;
}
return(result);
}
