You’re right, I forgot to include the line that basically did: @items -= fish. However, since an array is actually of the mutable type NSMutableArray, you can use its API as well http://bit.ly/90436W.
irb(main):007:0> a.removeObjectsAtIndexes(indices) => ["apple", "orange"] If you find you need to work with NSIndexSet's a lot, you could go to town and add this to NSIndexSet: http://gist.github.com/642166 HTH, Eloy On Sat, Oct 23, 2010 at 2:14 PM, Pixoo <madpi...@gmail.com> wrote: > That doesn't match what I need. > Ok, here is what I have : > > My data is the @items variable which is an array of objects. > My tableView is @tableView. > The action is a reaction to a click on a remove button after a selection in > the table. > > What I want to do is something like this : > > def removeItems(sender) > indexes = @tableView.selectedRowsIndexes > @items.delete_at(indexes) > @tableView.reloadData > end > > But I can't get a way to make it work. > > On Sat, Oct 23, 2010 at 2:03 PM, Eloy Duran <eloy.de.en...@gmail.com> wrote: >> >> Since an Array is a NSArray: http://bit.ly/de3kxd, maybe something >> like the following? >> >> $ macirb >> irb(main):001:0> a = ['apple', 'tuna', 'orange'] >> => ["apple", "tuna", "orange"] >> irb(main):002:0> indices = NSIndexSet.indexSetWithIndex(1) >> => #<NSIndexSet:0x20023fe80> >> irb(main):003:0> fish = a.objectsAtIndexes(indices) >> => ["tuna"] >> >> Eloy >> >> On Sat, Oct 23, 2010 at 1:18 PM, Pixoo <madpi...@gmail.com> wrote: >> > Hi ! >> > >> > I'm trying to use a tableView with MacRuby. >> > What I want to do is remove items from my data array based on the >> > tableView >> > selection. >> > >> > I used @tableView.selectedRowsIndexes but it returns a NSIndexSet and I >> > don't know how to use it with my array. >> > Can you give me some leads on the subject ? >> > >> > Thanks, >> > >> > _______________________________________________ >> > MacRuby-devel mailing list >> > MacRuby-devel@lists.macosforge.org >> > http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel >> > >> > >> _______________________________________________ >> MacRuby-devel mailing list >> MacRuby-devel@lists.macosforge.org >> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel > > > _______________________________________________ > MacRuby-devel mailing list > MacRuby-devel@lists.macosforge.org > http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel > > _______________________________________________ MacRuby-devel mailing list MacRuby-devel@lists.macosforge.org http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
