On Oct 4, 2008, at 16:39, Thomas Schönfeld wrote:
I used the "example", but the "extra" method setoutString is kinda
useless. After a bit thinking I did this.... (see below). I didn't
use the "extra" method and it works fine. So my question is, did I
just do something not-Cocoa-like and am I still thinking to much C?
Did i found a better/shorter way or did I made a fundamental mistake?
...
[outtextField setStringValue:[NSString stringWithFormat: @"%d",
[userString length]]];
I don't think you've done anything wrong, nor was the 'setOutString'
approach wrong either (since it "conveniently" logged the string too).
However, if you're interested in code brevity, then this is shorter
and should produce the same results:
[outtextField setIntValue: [userString length]];
or, in Objective-C 2.0 syntax:
outtextField.intValue = userString.length;
which seems, to me at least, quite a lot easier to read than what you
started with.
It's worth noting that this whole approach (setting a field in the
user interface), though not wrong, is rather un-Cocoa-like. It would
be much more usual to define the count of characters as a numeric
property (for example), and bind the text field to it, using a numeric
formatter to format the number if you wished. But perhaps you are
still a couple a chapters away from using bindings.
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