1.Table can have a name.
2.User can define the maximum row to display.
3.Table can be linked together, this is useful when there is a large
data to display in a single table.
Point 1, 2 and 3 work like this :
-Name a table (point 1).
-Limit the number of row to display to fit the table into a diagram
(point 2).
-Create a second table in a new folio.
-Link the second table to first table, you can search by table name
(point 3).
-the new table start to display where the first table end.
The number of linked table is unlimited.
QETProject have is own ProjectDataBase, then when the database is
updated, everything that need the database is also updated trough the
signal emitted by the database.
Begin a widget to edit the NomenclatureModel