Index: sources/main.h
===================================================================
diff -u -r265ce7409a0ea99a4ae059f5ce7978c9cdb10631 -r981e534e5b3174aab7ec47de3b1ead1511dbb6ef
--- sources/main.h	(.../main.h)	(revision 265ce7409a0ea99a4ae059f5ce7978c9cdb10631)
+++ sources/main.h	(.../main.h)	(revision 981e534e5b3174aab7ec47de3b1ead1511dbb6ef)
@@ -172,7 +172,7 @@
 #define PROPERTY_POST_CONNECTION( vCLASS,     vVARIABLE         )       \
     connect(this,                &vCLASS::vVARIABLE##Changed            \
                 ,                &vCLASS::vVARIABLE##_post  );
-
+//--------------------------------------------------------------------------------//
 #define PROPERTY_BASE(vTYPE , vVARIABLE , vDEFVALUE, vSIGNAL)           \
     /*! \brief   Qt Property declaration
         \details The Qt Property definition by Q_PROPERTY documentation.
@@ -232,6 +232,45 @@
           return _##vVARIABLE ;                                         \
         }
 //--------------------------------------------------------------------------------//
+#define IDBASED_BASE(vTYPE ,  vVARIABLE , vDEFVALUE , vLIST , vID)      \
+    /*! \brief   Qt Property declaration
+        \details The Qt Property definition by Q_PROPERTY documentation.
+    */\
+    Q_PROPERTY(      vTYPE   vVARIABLE                                  \
+                      READ   vVARIABLE                                  \
+                      WRITE  vVARIABLE                                  \
+                      NOTIFY vID##Changed)                              \
+    Q_SIGNALS:                                                          \
+        /*! \brief   Property notify signal
+            \details The property notify signal (...Changed)
+                     which will be emitted by property setter
+                     - if only the value has been changed                                  \n
+                     - or it's the first time property is set.                             \n
+            \return  current value
+        */\
+        void vVARIABLE##Changed( const vTYPE & v##vVARIABLE );          \
+    private:                                                            \
+        vTYPE    _##vVARIABLE          = vDEFVALUE;                     \
+        bool     _##vVARIABLE##Changed = false;                         \
+        bool     _##vVARIABLE##ByID    = true ;                         \
+    protected:                                                          \
+        /*! \brief   Property byId setter
+            \details The property sets the ByID value to be used in the getter
+        */\
+        void        vVARIABLE##ByID(bool vByID = true) {                \
+                 _##vVARIABLE##ByID   =  vByID ;                        \
+        }                                                               \
+        /*! \brief   Property getter
+            \details The property getter which reads the private variable
+            \return  current value
+        */\
+        vTYPE       vVARIABLE () const {                                \
+            if ( ! _##vVARIABLE##ByID ) return _##vVARIABLE;            \
+            QString value = _##vLIST [ _##vID ].vVARIABLE;              \
+            if ( ! value.isEmpty() )    return value;                   \
+                                        return vDEFVALUE;               \
+        }
+//--------------------------------------------------------------------------------//
 #define READONLY(      vTYPE , vVARIABLE , vDEFVALUE            )       \
         READONLY_BASE( vTYPE , vVARIABLE , vDEFVALUE , Changed  )       \
         PROPERTY_SLOT( vTYPE , vVARIABLE)
@@ -248,6 +287,11 @@
         PROPERTY_BASE( vTYPE , vVARIABLE , vDEFVALUE , Entered  )       \
         STATE_SLOT   ( vTYPE , vVARIABLE)
 //--------------------------------------------------------------------------------//
+
+#define IDBASED(       vTYPE ,  vVARIABLE , vDEFAULT , vLIST , vID  )   \
+        IDBASED_BASE ( vTYPE ,  vVARIABLE , vDEFAULT , vLIST , vID  )   \
+        PROPERTY_SLOT( vTYPE ,  vVARIABLE )
+//--------------------------------------------------------------------------------//
 #define CONSTANT(      vTYPE , vVARIABLE , vDEFVALUE            )       \
     /*! \brief   Qt Constant Property declaration
         \details The Qt Property definition by Q_PROPERTY documentation.