Re: Button cell palette

FROM : Erik J. Barzeski
DATE : Sat Nov 16 18:23:23 2002

Hi,

On 11/16/02 8:57am, Andrew Merenbach <<email_removed>> wrote:
> I have about a dozen NSButtonCell subclasses, each of which draws a
> button in a different color (for a periodic table of the elements,
> which lays out the table in an NSMatrix).  Instead of using all those
> classes, which are cumbersome, I'd like to create an IB palette that
> will allow me to create a "PTMatrix" which will can and will be filled
> with only a single NSButtonCell subclass.  One other thing makes this a
> bit more complicated: this subclass must have a custom inspector in the
> info window, so I can set the color of each cell individually in IB.
>
> I've had limited success with the IB palette examples and the tutorial
> from Aaron Hillegass' book, and any pointers would be appreciated.
> (For example, will I need to create not one, but *two* IB palettes, one
> for the matrix and one for its cells?)


Funny, I have a periodic table with a bunch of colored buttons on it, and I
only had to use one subclass... I don't know if your approach is correct if
you have a dozen. All you need is one instance variable: NSColor
*myCoolColor; Then use that when you do your cell's drawing... A dozen?
Seems fruity.

One single "color button" cell would make a lovely Interface Builder
palette.

You'll only need one palette: for the cell. Option-drag will create
duplicates. You'll probably then programmatically set their colors... I
think. I didn't use a matrix myself because I didn't want them to have to
"line up"

References:
http://www.barzeski.com/ichem/
http://www.cocoadevcentral.com/tutorials/showpage.php?show=00000043.php



--
    Kindest regards,
    Erik J. Barzeski

As an adolescent I aspired to lasting fame, I craved factual
certainty, and I thirsted for a meaningful vision of human life -
so I became a scientist. This is like becoming an archbishop so you
can meet girls. -- Matt Cartmill, anthropology professor and author
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