#12720 Histogram: Recreate summary vector curves when dropping an ensemble

When an ensemble is dropped on a histogram plot showing summary vector curves,
create a new curve per distinct vector and time step for the dropped ensemble,
matching the existing behavior for ensemble parameter curves.

ApplicationLibCode/Commands/RicHistogramPlotTools.cpp

@@ -228,11 +228,30 @@ std::set<QString> RicHistogramPlotTools::existingEnsembleParameters( RimHistogra
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
+std::set<std::pair<RifEclipseSummaryAddress, QDateTime>> RicHistogramPlotTools::existingSummaryVectors( RimHistogramPlot* plot )
+{
+    std::set<std::pair<RifEclipseSummaryAddress, QDateTime>> foundVectors;
+
+    for ( auto source : existingDataSources( plot ) )
+    {
+        if ( auto histSource = dynamic_cast<RimEnsembleSummaryVectorHistogramDataSource*>( source ) )
+        {
+            foundVectors.insert( { histSource->summaryAddress(), histSource->timeStep() } );
+        }
+    }
+
+    return foundVectors;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// Recreate the data sources shown in the plot for the given ensemble
+//--------------------------------------------------------------------------------------------------
 void RicHistogramPlotTools::appendEnsembleToHistogram( RimHistogramPlot* plot, RimSummaryEnsemble* ensemble )
 {
     auto currentParameters = existingEnsembleParameters( plot );
+    auto currentVectors    = existingSummaryVectors( plot );
 
-    if ( currentParameters.empty() )
+    if ( currentParameters.empty() && currentVectors.empty() )
     {
         auto newDataSource = new RimEnsembleParameterHistogramDataSource();
         newDataSource->setDefaults();
@@ -248,4 +267,13 @@ void RicHistogramPlotTools::appendEnsembleToHistogram( RimHistogramPlot* plot, R
         newDataSource->setEnsembleParameter( parameter );
         appendEnsembleParameterHistogramCurve( plot, newDataSource );
     }
+
+    for ( const auto& [address, timeStep] : currentVectors )
+    {
+        auto newDataSource = new RimEnsembleSummaryVectorHistogramDataSource();
+        newDataSource->setEnsemble( ensemble );
+        newDataSource->setSummaryAddress( address );
+        newDataSource->setTimeStep( timeStep );
+        createHistogramCurve( plot, newDataSource );
+    }
 }

ApplicationLibCode/Commands/RicHistogramPlotTools.h

@@ -18,9 +18,13 @@
 
 #pragma once
 
+#include "RifEclipseSummaryAddress.h"
+
 #include <set>
+#include <utility>
 #include <vector>
 
+#include <QDateTime>
 #include <QString>
 
 class RimHistogramDataSource;
@@ -58,7 +62,8 @@ public:
 
     static void appendEnsembleToHistogram( RimHistogramPlot* plot, RimSummaryEnsemble* ensemble );
 
-    static std::set<QString> existingEnsembleParameters( RimHistogramPlot* plot );
+    static std::set<QString>                                        existingEnsembleParameters( RimHistogramPlot* plot );
+    static std::set<std::pair<RifEclipseSummaryAddress, QDateTime>> existingSummaryVectors( RimHistogramPlot* plot );
 
 private:
     static std::vector<RimHistogramDataSource*> existingDataSources( RimHistogramPlot* plot );

ApplicationLibCode/ProjectDataModel/Histogram/RimEnsembleSummaryVectorHistogramDataSource.cpp

@@ -290,7 +290,7 @@ void RimEnsembleSummaryVectorHistogramDataSource::setEnsemble( RimSummaryEnsembl
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-void RimEnsembleSummaryVectorHistogramDataSource::setSummaryAddress( RifEclipseSummaryAddress& summaryAddress )
+void RimEnsembleSummaryVectorHistogramDataSource::setSummaryAddress( const RifEclipseSummaryAddress& summaryAddress )
 {
     m_summaryAddressUiField = summaryAddress;
     m_summaryAddress->setAddress( m_summaryAddressUiField );
@@ -299,11 +299,27 @@ void RimEnsembleSummaryVectorHistogramDataSource::setSummaryAddress( RifEclipseS
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-void RimEnsembleSummaryVectorHistogramDataSource::setTimeStep( QDateTime& timeStep )
+void RimEnsembleSummaryVectorHistogramDataSource::setTimeStep( const QDateTime& timeStep )
 {
     m_timeStep = timeStep;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RifEclipseSummaryAddress RimEnsembleSummaryVectorHistogramDataSource::summaryAddress() const
+{
+    return m_summaryAddress->address();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QDateTime RimEnsembleSummaryVectorHistogramDataSource::timeStep() const
+{
+    return m_timeStep();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/ProjectDataModel/Histogram/RimEnsembleSummaryVectorHistogramDataSource.h

@@ -42,8 +42,11 @@ public:
     ~RimEnsembleSummaryVectorHistogramDataSource() override;
 
     void setEnsemble( RimSummaryEnsemble* ensemble );
-    void setSummaryAddress( RifEclipseSummaryAddress& summaryAddress );
-    void setTimeStep( QDateTime& timeStep );
+    void setSummaryAddress( const RifEclipseSummaryAddress& summaryAddress );
+    void setTimeStep( const QDateTime& timeStep );
+
+    RifEclipseSummaryAddress summaryAddress() const;
+    QDateTime                timeStep() const;
 
     std::string unitNameX() const override;
     std::string unitNameY() const override;