eeschema: fix sorting parts generate BOM "Single part per line"

eeschema/component_references_lister.cpp

@@ -106,6 +106,25 @@ bool SCH_REFERENCE_LIST::sortByRefAndValue( const SCH_REFERENCE& item1,
     return ii < 0;
 }
 
+bool SCH_REFERENCE_LIST::sortByValueAndRef( const SCH_REFERENCE& item1,
+                                            const SCH_REFERENCE& item2 )
+{
+    int ii = item1.CompareValue( item2 );
+    if( ii == 0 )
+        ii = RefDesStringCompare( item1.GetRef(), item2.GetRef() );
+    if( ii == 0 )
+        ii = item1.m_Unit - item2.m_Unit;
+    if( ii == 0 )
+        ii = item1.m_SheetNum - item2.m_SheetNum;
+    if( ii == 0 )
+        ii = item1.m_CmpPos.x - item2.m_CmpPos.x;
+    if( ii == 0 )
+        ii = item1.m_CmpPos.y - item2.m_CmpPos.y;
+    if( ii == 0 )
+        ii = item1.m_TimeStamp - item2.m_TimeStamp;
+
+    return ii < 0;
+}
 
 static bool engStrToDouble( wxString aStr, double* aDouble )
 {

eeschema/dialogs/dialog_build_BOM.cpp

@@ -427,7 +427,7 @@ void DIALOG_BUILD_BOM::CreatePartsList( const wxString& aFullFileName, bool aInc
         cmplist.RemoveSubComponentsFromList();
 
     // sort component list by value
-    cmplist.SortByValueOnly( );
+    cmplist.SortByRefAndValue( );
     PrintComponentsListByPart( f, cmplist, aIncludeSubComponents );
 
     fclose( f );

eeschema/netlist.h

@@ -376,6 +376,26 @@ public:
         sort( componentFlatList.begin(), componentFlatList.end(), sortByRefAndValue );
     }
 
+    /**
+     * Function SortByValueAndRef
+     * sorts the list of references by value.
+     * <p>
+     * Components are sorted in the following order:
+     * <ul>
+     * <li>Value of component.</li>
+     * <li>Numeric value of reference designator.</li>
+     * <li>Unit number when component has multiple parts.</li>
+     * <li>Sheet number.</li>
+     * <li>X coordinate position.</li>
+     * <li>Y coordinate position.</li>
+     * </ul>
+     * </p>
+     */
+    void SortByValueAndRef()
+    {
+        sort( componentFlatList.begin(), componentFlatList.end(), sortByValueAndRef );
+    }
+
     /**
      * Function SortByReferenceOnly
      * sorts the list of references by reference.
@@ -454,6 +474,8 @@ private:
 
     static bool sortByRefAndValue( const SCH_REFERENCE& item1, const SCH_REFERENCE& item2 );
 
+    static bool sortByValueAndRef( const SCH_REFERENCE& item1, const SCH_REFERENCE& item2 );
+
     static bool sortByXPosition( const SCH_REFERENCE& item1, const SCH_REFERENCE& item2 );
 
     static bool sortByYPosition( const SCH_REFERENCE& item1, const SCH_REFERENCE& item2 );