Add RimVfpTableData used to represent connection to file and data

Extract data management from RimVfpPlot. Use pointer from RimVfpPlot to RimVfpTableData.

ApplicationLibCode/Commands/RicDeleteSubItemsFeature.cpp

@@ -27,6 +27,7 @@
 #include "RimWellPathFractureCollection.h"
 
 #include "cafPdmUiItem.h"
+#include "cafPdmUiObjectHandle.h"
 #include "cafSelectionManager.h"
 
 #include <QAction>
@@ -115,6 +116,14 @@ bool RicDeleteSubItemsFeature::hasDeletableSubItems( caf::PdmUiItem* uiItem )
         }
     }
 
+    {
+        auto collection = dynamic_cast<RimPlotCollection*>( uiItem );
+        if ( collection && collection->plotCount() > 0 )
+        {
+            return true;
+        }
+    }
+
     return false;
 }
 
@@ -227,5 +236,18 @@ void RicDeleteSubItemsFeature::deleteSubItems( bool onlyDeleteUnchecked )
                 if ( proj ) proj->reloadCompletionTypeResultsInAllViews();
             }
         }
+
+        {
+            auto collection = dynamic_cast<RimPlotCollection*>( item );
+            if ( collection )
+            {
+                collection->deleteAllPlots();
+
+                if ( auto objHandle = dynamic_cast<caf::PdmUiObjectHandle*>( item ) )
+                {
+                    objHandle->updateConnectedEditors();
+                }
+            }
+        }
     }
 }