Re: A few (basic?) questions
Re: A few (basic?) questions
- Subject: Re: A few (basic?) questions
- From: "John C. Randolph" <email@hidden>
- Date: Tue, 12 Mar 2002 18:08:37 -0800
On Tuesday, March 12, 2002, at 05:59 PM, Chris Backas wrote:
Hello all,
I'm not entirely new to Cocoa, but I haven't delved very far
below the surface as of yet, so the following questions
shouldn't be too hard for most of you =)
1) Is there a way to obtain the icon that Finder would use for
a given file type?
NSString *type = @"tiff" // for example..
NSImage *icon = [[NSWorkspace sharedWorkspace] iconForFileType:type];
My program will be creating files it retrieves from over the
network, and I know their extension and/or MIME Type prior to
retrieving them.
I'd like to represent the files with the Icon they would have
if they were on the local system being viewed by the Finder.
2) Is there a supplied view that would be suited to displaying
these icons?
NSImageView. It's on the IB palette with the sliders.
I don't need fancy things like arbitrary placement and sorting
and whatnot, just kinda want them to be able to sit next to
each other. I'm
thinking I'll have to write my first custom view to accomplish
this, but I thought I'd check before reinventing the wheel.
3) Are there any examples of using the NSStepper? It seems
like such a simple class, but to my surprise the documentation
is very sparse. I understand all the properties mentioned, but
how do I associate it with a
text field?
Connect it in IB like any other control.
Does it maintain an internal "current" value?
Yes.
What does it send to its target?
Any action method the target has.
-jcr
John C. Randolph <email@hidden> (408) 974-8819
Sr. Cocoa Software Engineer,
Apple Worldwide Developer Relations
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