Implemented base functionality for commodity grid on shop form.

commodity/data/commoditydata.cpp

@@ -2,7 +2,7 @@
 #include <define.h>
 
 CommodityData::CommodityData(QObject *parent)
-    :QObject(parent)
+    :ShopItem(parent)
 {
     m_count = 0;
     m_price = 0;

commodity/data/commoditydata.h

@@ -5,12 +5,13 @@
 #include <QString>
 #include <odb/core.hxx>
 #include "commoditytypedata.h"
+#include <shopitem.h>
 #include <QDecDouble.hh>
 #include <QSharedDataPointer>
 #include <enums.h>
 
 #pragma db object
-class CommodityData : public QObject
+class CommodityData : public ShopItem
 {
     Q_OBJECT
     Q_PROPERTY(QString name READ name WRITE setName)