Re: formatter use for whitespace
Re: formatter use for whitespace
- Subject: Re: formatter use for whitespace
- From: j o a r <email@hidden>
- Date: Fri, 25 Apr 2003 20:44:30 +0200
One way to do this is to have the delegate listen for the
textDidChange: notifications and every time the user changes a
character check to see if the current string is valid, and if not beep
and restore the trimmed string. It's easier than creating a full
formatter, and works in most cases.
j o a r
On Friday, Apr 25, 2003, at 20:07 Europe/Stockholm, Theodore Petrosky
wrote:
I have been working on an interface to a postgresql
database. part of it a client list (names, addresses,
etc). I want to limit an NSTextField so the user can
not enter a whitespace as a leading character.
However, whitespaces are permitted in the middle of an
entry.
Is this doable in a formatter or is it better to post
process the entry and remove any leading and double
spaces?
Spaces are legal characters, just not at the beginning
or end.
Currently, I am trimming the whitespace and manually
parsing the string for double spaces after the user
clicks to accept the entry.
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