using System;
using System.Windows.Forms;
using WeifenLuo.WinFormsUI.Docking;
using Sq1.Core;
using Sq1.Core.DataFeed;
using Sq1.Core.DataTypes;
using Sq1.Core.StrategyBase;
using Sq1.Core.Charting;
using Sq1.Core.Streaming;
using Sq1.Widgets.RangeBar;
using Sq1.Widgets;
using Sq1.Gui.Singletons;
namespace Sq1.Gui.Forms {
public class ChartFormInterformEventsConsumer {
ChartFormManager chartFormManager;
private bool backtestAlreadyFinished;
public ChartFormInterformEventsConsumer(ChartFormManager chartFormManager, ChartForm chartFormNotAssignedToManagerInTheFactoryYet = null) {
this.chartFormManager = chartFormManager;
chartFormNotAssignedToManagerInTheFactoryYet.FormClosing += ChartForm_FormClosing;
chartFormNotAssignedToManagerInTheFactoryYet.Load += ChartForm_Load;
}
void ChartForm_Load(object sender, EventArgs e) {
// ON_DESERIALIZATION_BACKTESTER_LAUNCHES_FASTER_THAN_CHART_FORM_GETS_LOADED; see ON_REQUESTING_ABORT_TASK_DIES_WITHOUT_INVOKING_CONTINUE_WITH
this.chartFormManager.Executor.EventGenerator.OnBacktesterContextInitialized_step2of4 += this.Executor_BacktesterContextInitialized_step2of4;
this.chartFormManager.Executor.EventGenerator.OnBacktesterSimulatedChunk_step3of4 += this.Executor_BacktesterChunkSimulated_step3of4;
this.chartFormManager.Executor.EventGenerator.OnBacktesterContextRestoredAfterExecutingAllBars_step4of4 += this.Executor_BacktesterSimulatedAllBars_step4of4;
//this.chartFormsManager.Executor.EventGenerator.OnBacktesterBarsChanged += this.Executor_BacktesterChangedQuotesWillGenerate;
this.chartFormManager.Executor.EventGenerator.OnQuoteReceived_butWasntPushedAnywhere_dueToZeroSubscribers_tunnelToInterChartForm -= new EventHandler<QuoteEventArgs>(eventGenerator_OnQuoteReceived_butWasntPushedAnywhere_dueToZeroSubscribers_tunnelToInterChartForm);
this.chartFormManager.Executor.EventGenerator.OnQuoteReceived_butWasntPushedAnywhere_dueToZeroSubscribers_tunnelToInterChartForm += new EventHandler<QuoteEventArgs>(eventGenerator_OnQuoteReceived_butWasntPushedAnywhere_dueToZeroSubscribers_tunnelToInterChartForm);
}
void eventGenerator_OnQuoteReceived_butWasntPushedAnywhere_dueToZeroSubscribers_tunnelToInterChartForm(object sender, QuoteEventArgs e) {
string msg = "DEAD_END DataSourceTree.olvTree_FormatRow() gets BackColor from ChartControl; if there is no ChartControl I have no way to transfer it; unblinker should be there, too";
}
void ChartForm_FormClosing(object sender, FormClosingEventArgs e) {
this.chartFormManager.Executor.EventGenerator.OnBacktesterContextInitialized_step2of4 -= this.Executor_BacktesterContextInitialized_step2of4;
this.chartFormManager.Executor.EventGenerator.OnBacktesterSimulatedChunk_step3of4 -= this.Executor_BacktesterChunkSimulated_step3of4;
this.chartFormManager.Executor.EventGenerator.OnBacktesterContextRestoredAfterExecutingAllBars_step4of4 -= this.Executor_BacktesterSimulatedAllBars_step4of4;
//this.chartFormsManager.Executor.EventGenerator.OnBacktesterBarsChanged -= this.Executor_BacktesterChangedQuotesWillGenerate;
if (Assembler.InstanceInitialized.MainFormClosingIgnoreReLayoutDockedForms) return;
string reporterCurrent = "";
try {
foreach (DockContent reporterWrapper in this.chartFormManager.ReportersFormsManager.FormsAllRelated.Values) {
reporterCurrent = reporterWrapper.Text;
reporterWrapper.Close();
}
this.chartFormManager.MainForm.MainFormSerialize();
} catch (Exception ex) {
string msg = "REPORTER_CLOSING_FAILED reporterCurrent[" + reporterCurrent + "] COULDNT_TUNNEL_EXCEPTION_INTO_FORM_CLOSING";
Assembler.PopupException(msg, ex);
}
}
internal void DataSourcesTree_OnSymbolSelected(object sender, DataSourceSymbolEventArgs e) {
string msig = " //DataSourcesTree_OnSymbolSelected(" + e.Symbol + ")";
if ( this.chartFormManager.Executor.DataSource_fromBars.StreamingAdapter != null
&& this.chartFormManager.Executor.Strategy != null
//&& this.chartFormManager.Executor.IsStreamingTriggeringScript
&& this.chartFormManager.ContextCurrentChartOrStrategy.DownstreamSubscribed == true
) {
string msg = "I_REFUSE_TO_CHANGE_SYMBOL"
//+ " CURRENT_CHART_HAS_STRATEGY_RUNNING_ON_STREAMING"
+ " CURRENT_CHART_HAS_STRATEGY_SUBSCRIBED"
+ " to prevent occasional order execution, click [" + this.chartFormManager.StreamingButtonIdent + "] button on ChartForm to unsubscribe";
Assembler.PopupException(msg + msig, null, false);
return;
}
try {
ContextChart contextChart = this.chartFormManager.ContextCurrentChartOrStrategy;
#region subscribed strategies are not allowed to swap the horses; chartsWithoutStrategies are updated by Bars.OnBarStreamingUpdatedMerged
//string symbol_beforeChange = contextChart.Symbol;
//string dataSource_beforeChange = contextChart.DataSourceName;
//string reasonToSubscribeUnsubscribe = "USER_MADE_CHART?_CHANGE_BARS[" + symbol_beforeChange + "@" + dataSource_beforeChange + "]=>[" + e.Symbol + "@" + e.DataSource.Name + "]";
//ChartStreamingConsumer amIsubscribed = this.chartFormManager.ChartForm.ChartControl.ChartStreamingConsumer;
//Distributor hopefullyLiveStreaming = this.chartFormManager.Executor.DataSource_fromBars.StreamingAdapter.Distributor_replacedForLivesim;
//bool chartMustBeSubscribedToNewBars = contextChart.DownstreamSubscribed;
//if (chartMustBeSubscribedToNewBars) {
// BarScaleInterval scaleInterval_beforeChange = contextChart.ScaleInterval;
// //bool barsUnsubscribed = hopefullyLiveStreaming.ConsumerBarUnsubscribe (symbol_beforeChange, scaleInterval_beforeChange, amIsubscribed);
// //bool quotesUnsubscribed = hopefullyLiveStreaming.ConsumerQuoteUnsubscribe (symbol_beforeChange, scaleInterval_beforeChange, amIsubscribed);
// amIsubscribed.StreamingUnsubscribe(reasonToSubscribeUnsubscribe);
//}
#endregion
if (contextChart.DataSourceName != e.DataSource.Name) contextChart.DataSourceName = e.DataSource.Name;
if (contextChart.Symbol != e.Symbol) contextChart.Symbol = e.Symbol;
this.chartFormManager.PopulateSelectors_fromCurrentChartOrScriptContext_loadBars_saveStrategyOrCtx_backtestIfStrategy("DataSourcesTree_OnSymbolSelected");
#region subscribed strategies are not allowed to swap the horses; chartsWithoutStrategies are updated by Bars.OnBarStreamingUpdatedMerged
//if (chartMustBeSubscribedToNewBars) {
// string symbol_afterChange = contextChart.Symbol;
// BarScaleInterval scaleInterval_afterChange = contextChart.ScaleInterval;
// //bool barsSubscribed = hopefullyLiveStreaming.ConsumerBarSubscribe (symbol_afterChange, scaleInterval_afterChange, amIsubscribed, true);
// //bool quotesSubscribed = hopefullyLiveStreaming.ConsumerQuoteSubscribe (symbol_afterChange, scaleInterval_afterChange, amIsubscribed, true);
// amIsubscribed.StreamingSubscribe(reasonToSubscribeUnsubscribe);
//}
#endregion
DataSourcesForm.Instance.DataSourcesTreeControl.Refresh();
this.chartFormManager.SequencerFormIfOpenPropagateTextboxesOrMarkStaleResultsAndDeleteHistory();
//copypaste from MainFormEventManager.DockPanel_ActiveDocumentChanged()
ChartForm chartFormCurrentlyOpen = this.chartFormManager.ChartForm;
ChartSettingsEditorForm.Instance.PopulateWithChartSettings(chartFormCurrentlyOpen.ChartControl.ChartSettings);
if (chartFormCurrentlyOpen.ChartFormManager.Executor.Bars != null) {
SymbolInfoEditorForm.Instance.SymbolEditorControl.PopulateWithSymbolInfo(chartFormCurrentlyOpen.ChartFormManager.Executor.Bars.SymbolInfo);
}
} catch (Exception ex) {
Assembler.PopupException(msig, ex);
}
}
internal void MainForm_ActivateDocumentPane_WithChart(object sender, EventArgs e) {
if (this.chartFormManager.Strategy != null && this.chartFormManager.Strategy.ActivatedFromDll == false) {
this.chartFormManager.ScriptEditorFormConditionalInstance.ActivateDockContentPopupAutoHidden(true, true);
}
this.chartFormManager.ReportersFormsManager.PopupReporters_OnParentChartActivated(sender, e);
//this.chartFormManager.ChartForm.ChartControl.RangeBar.Enabled = false; // WHY false?? YOU_SHOULD_NOT_CHANGE_VISIBILITY_OF_RANGEBAR
this.chartFormManager.ChartForm.ChartControl.InvalidateAllPanels(); // CHART_WAS_INVOKED_WITH_SIZE_DIFFERENT_ON_START__HELPS_TO_STRETCH_CHART_TO_ACTUAL_SIZE__COVERED_WAS_FIRST_TIME_SHOWN__ACTIVE_IS_OK
//if (this.chartFormManager.SequencerForm == null) {
if (DockContentImproved.IsNullOrDisposed(this.chartFormManager.SequencerForm) == true) {
string msg = "don't even try to access SequencerConditionalInstance if user didn't click implicitly; TODO where to can I incapsulate it?";
//Assembler.PopupException(msg, null, false);
} else {
if (this.chartFormManager.SequencerForm.IsShown) this.chartFormManager.SequencerFormShow(true);
}
//if (this.chartFormManager.CorrelatorForm == null) {
if (DockContentImproved.IsNullOrDisposed(this.chartFormManager.CorrelatorForm) == true) {
string msg = "don't even try to access CorrelatorConditionalInstance if user didn't click implicitly; TODO where to can I incapsulate it?";
//Assembler.PopupException(msg, null, false);
} else {
if (this.chartFormManager.CorrelatorForm.IsShown) this.chartFormManager.CorrelatorFormShow(true);
}
//if (this.chartFormManager.LivesimForm == null) {
if (DockContentImproved.IsNullOrDisposed(this.chartFormManager.LivesimForm) == true) {
string msg = "don't even try to access LivesimConditionalInstance if user didn't click implicitly; TODO where to can I incapsulate it?";
//Assembler.PopupException(msg, null, false);
} else {
if (this.chartFormManager.LivesimForm.IsShown) this.chartFormManager.LivesimFormShow(true);
}
}
internal void Executor_BacktesterContextInitialized_step2of4(object sender, EventArgs e) {
string msig = " Executor_BacktesterContextInitialized_step2of4()" + this.chartFormManager.ToString();
if (this.chartFormManager.ChartForm == null) return;
if (this.chartFormManager.Executor == null) return;
if (this.chartFormManager.Executor.BacktesterOrLivesimulator.BarsOriginal == null) {
string msg = "I_RESTORED_CONTEXT__END_OF_BACKTEST_ORIGINAL_BECAME_NULL";
if (this.chartFormManager.ChartForm.InvokeRequired == false) {
msg = "NO_NEED_TO_REPORT_ITS_NOT_AN_ERROR I_REFUSE_TO_CALCULATE_PERCENTAGE_COMPLETED BACKTEST_ALREADY_FINISHED_WHILE_SWTICHING_TO_GUI_THREAD";
//Assembler.PopupException(msg + msig, null, false);
} else {
Assembler.PopupException(msg + msig, null, false);
}
return;
}
if (this.chartFormManager.Executor.BacktesterOrLivesimulator.QuotesGenerator == null) return;
int quotesTotal = this.chartFormManager.Executor.BacktesterOrLivesimulator.QuotesTotalToGenerate;
if (quotesTotal == -1) {
string msg = "I_RESTORED_CONTEXT__END_OF_BACKTEST_ORIGINAL_BECAME_NULL: Backtester.QuotesTotalToGenerate=-1 due to Backtester.BarsOriginal=null";
Assembler.PopupException(msg);
return;
}
this.backtestAlreadyFinished = false;
if (this.chartFormManager.ChartForm.InvokeRequired) {
this.chartFormManager.ChartForm.BeginInvoke(new MethodInvoker(delegate { this.Executor_BacktesterContextInitialized_step2of4(sender, e); }));
return;
}
this.chartFormManager.ChartForm.TsiProgressBarETA.ETALabelText = this.chartFormManager.Executor.BacktesterOrLivesimulator.ProgressStats;
// CHART_NOT_NOTIFIED_OF_BACKTEST_PROGRESS_AFTER_DESERIALIZATION_BACKTESTER_LAUNCHES_BEFORE_IM_SUBSCRIBED BEGIN
//if (this.chartFormsManager.ChartForm.TsiProgressBarETA.ETAProgressBarMaximum != quotesTotal) {
this.chartFormManager.ChartForm.TsiProgressBarETA.ETAProgressBarMaximum = quotesTotal;
//}
this.chartFormManager.ChartForm.TsiProgressBarETA.Visible = true;
//this.chartFormManager.ChartForm.btnStrategyEmittingOrders.Visible = false;
//this.chartFormManager.ChartForm.btnStreamingTriggersScript.Visible = false;
this.chartFormManager.ChartForm.PropagateSelectors_disabledIfStreaming_forCurrentChart();
// CHART_NOT_NOTIFIED_OF_BACKTEST_PROGRESS_AFTER_DESERIALIZATION_BACKTESTER_LAUNCHES_BEFORE_IM_SUBSCRIBED END
this.chartFormManager.ChartForm.AbsorbContextBarsToGui();
}
internal void Executor_BacktesterChunkSimulated_step3of4(object sender, EventArgs e) {
string msig = " //Executor_BacktesterChunkSimulated_step3of4() " + this.chartFormManager.ToString();
if (sender != this.chartFormManager.Executor.EventGenerator) return;
if (this.chartFormManager.Executor == null) {
string msg = "invoked by Backtester.SubstituteAndRunSimulation() I don't remember whether Tag=null is ok or not...";
return;
}
//if (this.chartFormManager.Executor.Backtester.IsBacktestingNoLivesimNow == false) {
//if (this.chartFormManager.ChartForm.ChartControl.PaintAllowedDuringLivesimOrAfterBacktestFinished == false) {
if (this.backtestAlreadyFinished) {
string msg = "Livesimulator.afterBacktesterComplete()_ALREADY_RESTORED_BACKTESTER_WHILE_SWITCHING_TO_GUI_THREAD [base.Executor.Backtester = this.BacktesterBackup]";
return;
}
if (this.chartFormManager.Executor.BacktesterOrLivesimulator.QuotesGenerator == null) {
string msg = "YOU_DIDNT_INVOKE_Backtester.Initialize() AVOIDING_EXCEPTIONS_IN_QuotesGeneratedSoFar";
Assembler.PopupException(msg, null, false);
return;
}
int quotesTotal = this.chartFormManager.Executor.BacktesterOrLivesimulator.QuotesTotalToGenerate;
if (quotesTotal == -1) {
string msg = "CANT_CALCULATE_PERCENTAGE_KOZ_BARS_ORIGINAL_NULL"
+ " : Backtester.QuotesTotalToGenerate=-1 due to Backtester.BarsOriginal=null";
//Assembler.PopupException(msg + msig, null, false);
return;
}
if (this.chartFormManager.ChartForm.InvokeRequired) {
this.chartFormManager.ChartForm.BeginInvoke(new MethodInvoker(delegate { this.Executor_BacktesterChunkSimulated_step3of4(sender, e); }));
return;
}
// HACK FOR CHART_NOT_NOTIFIED_OF_BACKTEST_PROGRESS_AFTER_DESERIALIZATION_BACKTESTER_LAUNCHES_BEFORE_IM_SUBSCRIBED BEGIN COPYPASTE
if (this.chartFormManager.ChartForm.TsiProgressBarETA.Visible == false) {
//int quotesTotal = this.chartFormManager.Executor.Backtester.QuotesTotalToGenerate;
//if (quotesTotal == -1) {
// string msg = "Backtester.QuotesTotalToGenerate=-1 due to Backtester.BarsOriginal=null";
// Assembler.PopupException(msg + msig);
// return;
//}
this.chartFormManager.ChartForm.TsiProgressBarETA.ETAProgressBarMaximum = quotesTotal;
this.chartFormManager.ChartForm.TsiProgressBarETA.Visible = true;
//this.chartFormManager.ChartForm.btnStrategyEmittingOrders.Visible = false;
//this.chartFormManager.ChartForm.btnStreamingTriggersScript.Visible = false;
this.chartFormManager.ChartForm.PropagateSelectors_disabledIfStreaming_forCurrentChart();
}
// HACK FOR CHART_NOT_NOTIFIED_OF_BACKTEST_PROGRESS_AFTER_DESERIALIZATION_BACKTESTER_LAUNCHES_BEFORE_IM_SUBSCRIBED END COPYPASTE
this.chartFormManager.ChartForm.TsiProgressBarETA.ETALabelText = this.chartFormManager.Executor.BacktesterOrLivesimulator.ProgressStats;
int currentValue = this.chartFormManager.Executor.BacktesterOrLivesimulator.QuotesGeneratedSoFar;
if (currentValue > this.chartFormManager.ChartForm.TsiProgressBarETA.ETAProgressBarMaximum) return;
this.chartFormManager.ChartForm.TsiProgressBarETA.ETAProgressBarValue = currentValue;
// ETALabelText isn't refreshed fast enough; windows don't feel mouse clicks&moves, GUI freezes; REMOVE after backtester goes to its own thread!
////DEBUGGER_SHOWS_RECURSIVE_CALLS_TO_BuildOnceAllReports
/// uncommented to make GUI more responsive during backtests; GUI didn't fully unhalt, lagging.... FIXME
//Application.DoEvents();
}
internal void Executor_BacktesterSimulatedAllBars_step4of4(object sender, EventArgs e) {
if (this.chartFormManager.Executor == null) return;
if (sender != this.chartFormManager.Executor.EventGenerator) return;
this.backtestAlreadyFinished = true;
if (this.chartFormManager.ChartForm.InvokeRequired) {
this.chartFormManager.ChartForm.BeginInvoke(new MethodInvoker(delegate { this.Executor_BacktesterSimulatedAllBars_step4of4(sender, e); }));
return;
}
this.chartFormManager.ChartForm.TsiProgressBarETA.ETALabelText = this.chartFormManager.Executor.BacktesterOrLivesimulator.ProgressStats;
this.chartFormManager.ChartForm.TsiProgressBarETA.ETAProgressBarValue = 0;
this.chartFormManager.ChartForm.TsiProgressBarETA.Visible = false;
//this.chartFormManager.ChartForm.btnStrategyEmittingOrders.Visible = true;
//this.chartFormManager.ChartForm.btnStreamingTriggersScript.Visible = true;
this.chartFormManager.ChartForm.PropagateSelectors_disabledIfStreaming_forCurrentChart();
this.chartFormManager.ChartForm.AbsorbContextBarsToGui();
this.chartFormManager.OnBacktestedOrLivesimmed();
}
internal void ChartRangeBar_OnAnyValueChanged(object sender, RangeArgs<DateTime> e) {
BarDataRange newRange = new BarDataRange(e.ValueMin, e.ValueMax);
try {
this.chartFormManager.UserSelectedRange_loadBars_backtest_populate(newRange);
} catch (Exception ex) {
Assembler.PopupException("ChartRangeBar_AnyValueChanged", ex);
}
}
}
}
