Change to subforder project model.

limereport/lrcallbackdatasourceintf.h

@@ -0,0 +1,24 @@
+#ifndef LRVIRTUALDATASOURCEINTF
+#define LRVIRTUALDATASOURCEINTF
+#include <QObject>
+namespace LimeReport {
+
+struct CallbackInfo{
+    enum DataType{IsEmpty, HasNext, ColumnHeaderData, ColumnData};
+    enum ChangePosType{First, Next};
+    DataType dataType;
+    int index;
+    QString columnName;
+};
+
+class ICallbackDatasource :public QObject{
+    Q_OBJECT
+signals:
+    void getCallbackData(const LimeReport::CallbackInfo& info, QVariant& data);
+    void changePos(const LimeReport::CallbackInfo::ChangePosType& type, bool& result);
+};
+
+}
+
+#endif // LRVIRTUALDATASOURCEINTF
+