widgets: PROGRESS_REPORTER - make SetCurrentProgress() virtual, allow to change number of phases post-construction

common/widgets/progress_reporter.cpp

@@ -75,6 +75,12 @@ void PROGRESS_REPORTER::AdvanceProgress()
 }
 
 
+void PROGRESS_REPORTER::SetNumPhases( int aNumPhases )
+{
+    m_numPhases = aNumPhases;
+}
+
+
 int PROGRESS_REPORTER::currentProgress() const
 {
     double current = ( 1.0 / (double) m_numPhases ) *

include/widgets/progress_reporter.h

@@ -51,6 +51,11 @@ class PROGRESS_REPORTER
         {
         }
 
+        /**
+         * sets the number of phases
+         */
+        void SetNumPhases( int aNumPhases );
+
         /**
          * initialize the aPhase virtual zone of the dialog progress bar
          */
@@ -69,7 +74,7 @@ class PROGRESS_REPORTER
         /**
          * Set the progress value to aProgress (0..1)
          */
-        void SetCurrentProgress( double aProgress );
+        virtual void SetCurrentProgress( double aProgress );
 
         /**
          * Fix the value thar gives the 100 precent progress bar length