Use cafPdmUiButton instead of bool in PdmField

* Adopts dynamic PDM buttons with lambda callbacks

Refactors PDM push buttons from boolean fields to use the `addNewButton` API with direct lambda callbacks.

This change enforces a new coding guideline to extract complex or multi-line lambdas to dedicated `on*Clicked()` methods, improving code readability and maintainability.

- Replaces `PdmField` button fields with `PdmUiOrdering::addNewButton` calls.
- Extracts multi-line/control-flow lambdas into named methods in `RimFlowCharacteristicsPlot`, `RimGeoMechCase`, and `RimStatisticsContourMap`.
- Removes obsolete `defineEditorAttribute` overrides and `fieldChangedByUi` logic for these buttons.
- Updates `RimWellPathFracture` to utilize base class-provided button creation.
- Adds new lambda line-count guideline to the coding style documentation.
- Includes minor build fixes, such as adding `cafPdmUiButton.h` and correcting tooltip API usage.

ApplicationLibCode/ProjectDataModel/ContourMap/RimStatisticsContourMap.cpp

@@ -53,8 +53,8 @@
 #include "Riu3DMainWindowTools.h"
 
 #include "cafCmdFeatureMenuBuilder.h"
+#include "cafPdmUiButton.h"
 #include "cafPdmUiDoubleSliderEditor.h"
-#include "cafPdmUiPushButtonEditor.h"
 #include "cafPdmUiTreeSelectionEditor.h"
 #include "cafProgressInfo.h"
 
@@ -128,10 +128,6 @@ RimStatisticsContourMap::RimStatisticsContourMap()
                                 "Eclipse Case used for wells and faults shown in views, initializing available result list, timesteps, "
                                 "etc." );
 
-    CAF_PDM_InitFieldNoDefault( &m_computeStatisticsButton, "ComputeStatisticsButton", "" );
-    caf::PdmUiPushButtonEditor::configureEditorLabelLeft( &m_computeStatisticsButton );
-    m_computeStatisticsButton = false;
-
     CAF_PDM_InitFieldNoDefault( &m_views, "ContourMapViews", "Contour Maps", ":/CrossSection16x16.png" );
 
     CAF_PDM_InitField( &m_enableFormationFilter, "EnableFormationFilter", false, "Enable Formation Filter" );
@@ -161,15 +157,11 @@ void RimStatisticsContourMap::defineUiOrdering( QString uiConfigName, caf::PdmUi
     computeOK      = computeOK && !selectedTimeSteps().empty();
 
     uiOrdering.add( nameField() );
-    uiOrdering.add( &m_computeStatisticsButton );
-    m_computeStatisticsButton.uiCapability()->setUiReadOnly( !computeOK );
-    if ( computeOK )
+
     {
-        m_computeStatisticsButton.uiCapability()->setUiToolTip( "Start statistics computations." );
-    }
-    else
-    {
-        m_computeStatisticsButton.uiCapability()->setUiToolTip( "Please check your time step and/or formation filter selections." );
+        auto* btn = uiOrdering.addNewButton( "Compute", [this]() { onComputeStatisticsClicked(); } );
+        btn->setUiToolTip( computeOK ? "Start statistics computations." : "Please check your time step and/or formation filter selections." );
+        btn->setUiReadOnly( !computeOK );
     }
 
     auto genGrp = uiOrdering.addNewGroup( "General" );
@@ -307,32 +299,7 @@ std::set<RimEclipseCase*> RimStatisticsContourMap::ensembleCasesInViews() const
 //--------------------------------------------------------------------------------------------------
 void RimStatisticsContourMap::fieldChangedByUi( const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue )
 {
-    if ( &m_computeStatisticsButton == changedField )
-    {
-        computeStatistics();
-        m_computeStatisticsButton = false;
-
-        if ( m_views.empty() )
-        {
-            auto view = RicNewStatisticsContourMapViewFeature::createAndAddView( this );
-            updateConnectedEditors();
-            Riu3DMainWindowTools::selectAsCurrentItem( view );
-            Riu3DMainWindowTools::setExpanded( this );
-            Riu3DMainWindowTools::setExpanded( view );
-        }
-        else
-        {
-            for ( auto& view : m_views )
-            {
-                auto proj = dynamic_cast<RimStatisticsContourMapProjection*>( view->contourMapProjection() );
-                if ( proj != nullptr )
-                    proj->clearGridMappingAndRedraw();
-                else
-                    view->scheduleCreateDisplayModelAndRedraw();
-            }
-        }
-    }
-    else if ( &m_primaryCase == changedField )
+    if ( &m_primaryCase == changedField )
     {
         switchToSelectedSourceCase();
 
@@ -428,14 +395,7 @@ QList<caf::PdmOptionItemInfo> RimStatisticsContourMap::calculateValueOptions( co
 //--------------------------------------------------------------------------------------------------
 void RimStatisticsContourMap::defineEditorAttribute( const caf::PdmFieldHandle* field, QString uiConfigName, caf::PdmUiEditorAttribute* attribute )
 {
-    if ( &m_computeStatisticsButton == field )
-    {
-        if ( auto attrib = dynamic_cast<caf::PdmUiPushButtonEditorAttribute*>( attribute ) )
-        {
-            attrib->m_buttonText = "Compute";
-        }
-    }
-    else if ( ( &m_userDefinedFloodingOil == field ) || ( &m_userDefinedFloodingGas == field ) )
+    if ( ( &m_userDefinedFloodingOil == field ) || ( &m_userDefinedFloodingGas == field ) )
     {
         if ( auto myAttr = dynamic_cast<caf::PdmUiDoubleSliderEditorAttribute*>( attribute ) )
         {
@@ -523,13 +483,39 @@ void RimStatisticsContourMap::doStatisticsCalculation( std::map<size_t, std::vec
     }
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RimStatisticsContourMap::onComputeStatisticsClicked()
+{
+    computeStatistics();
+
+    if ( m_views.empty() )
+    {
+        auto view = RicNewStatisticsContourMapViewFeature::createAndAddView( this );
+        updateConnectedEditors();
+        Riu3DMainWindowTools::selectAsCurrentItem( view );
+        Riu3DMainWindowTools::setExpanded( this );
+        Riu3DMainWindowTools::setExpanded( view );
+    }
+    else
+    {
+        for ( auto& view : m_views )
+        {
+            auto proj = dynamic_cast<RimStatisticsContourMapProjection*>( view->contourMapProjection() );
+            if ( proj != nullptr )
+                proj->clearGridMappingAndRedraw();
+            else
+                view->scheduleCreateDisplayModelAndRedraw();
+        }
+    }
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
 void RimStatisticsContourMap::computeStatistics()
 {
-    if ( m_computeStatisticsButton.isReadOnly() ) return;
-
     RiaLogging::info( "Computing statistics" );
     auto cases = ensembleCases();
     if ( cases.empty() ) return;