On 12/4/06, Murray Cumming <[EMAIL PROTECTED]> wrote: > On Mon, 2006-12-04 at 10:06 +0100, Vivien Malerba wrote: > > On 12/4/06, Murray Cumming <[EMAIL PROTECTED]> wrote: > > > In the second picture here > > > http://www.openismus.com/temp/libgnomedb_3_0_docs/html/ch05.html > > > > > > there are four right-arrow buttons at the right edge of the dialog. I > > > can't imagine what they do. Is this screenshot out of date? > > > > > > > Those buttons, hidden by default, allow the user a finer control of > > what's in the data entry (it's a popup menu). It can allow to set a > > value to NULL, or to reset a value, or to set the value to be the > > default value (if one is defined). > > Ah. Thanks. > > Can this be removed? Is it there by default? It seems inappropriate for > most users.
It's hidden by default, and you can only display those buttons aith an API call, so no need to remove it. > > For instance, > > "unset": > - If the field is a text field, then "unset" (NULL) will have no meaning > for a user. The user can not be expected to distinguish between a NULL > value and an empty string. > - For other types, such as numbers and dates, clearing the entry should > result in a NULL value going into the database. I should not have to > explicitly choose "unset". > > "set to default value": > - This is only useful if there is a default value specified for that > field. > - Usually it's OK to just use the default value for new fields. > - If this is wanted sometimes, it should be optional for some fields. > > "reset to original value" > - What does this mean actually? Is it something I can use before > pressing Enter, to stop my changes being written to the database? If so, > wouldn't Undo already do this? > All these are the reasons why it's hidden by default, and to be enabled only under some well defined circumnstances. Vivien _______________________________________________ gnome-db-list mailing list gnome-db-list@gnome.org http://mail.gnome.org/mailman/listinfo/gnome-db-list
