[MacRuby-devel] ruby structure for NSOutlineView

Matt Aimonetti mattaimonetti at gmail.com
Tue Dec 6 19:13:03 PST 2011


You probably should look into CoreData or use Sequel with sqlite3.

Bonne chance et A+

- Matt

2011/12/6 François Boone <Francois.Boone at usherbrooke.ca>

> Hi,
>
> Thank you very much Matt for your great app. Not only  I have learned
> about NSOutlineView, but I could also watch TV …  :)
> So now, depending of which item I select in the tree, I can view
> information in a NSTableView.
> Moreover, I can change the number of column of my NSTableView depending on
> selected item… great. Now, I have to manage the size of each column in
> order that NSTableView stays inside the main window: this doesn't seem  too
> hard
>
> Now, if I want to develop an app, I think I have to decide how to present
> my data, how I will store this data ( I like SQL since query language is
> very nice, so I will read again chapter 7 of your book). What I try to tell
> is I usually separate the contents of the container, and each line of code
> does one and only one thing.  But with an interface, it's more difficult to
> keep these rules and I have to make trade off to manage interface and data.
>
>  I will going to play with macruby and Xcode… And I will probably ask more
> questions.
>
> Thanks and A+ (not a rate but a french code)
> François
>
>
> Le 2011-12-02 à 19:08, Matt Aimonetti a écrit :
>
> > François, if you also want to see a practical use of a NSOutlineView
> checkout my TV app: https://github.com/mattetti/LiveTV/
> >
> > - Matt
> >
> > 2011/12/2 François Boone <francois.boone at usherbrooke.ca>
> > Hi,
> >
> > Thank you very much for these links.
> > I tried them and they worked more or less … since I used Xcode 3
> > But I decide to upgrade my computer and now I have Lion and Xcode 4
> >
> > So I can continue my learnings.
> >
> > François
> >
> > Le 2011-11-26 à 16:22, Watson a écrit :
> >
> > > Hi,
> > >
> > > My samples might help you slightly.
> > > - https://github.com/Watson1978/MacRuby-Samples/tree/master/SourceList
> > > -
> https://github.com/Watson1978/MacRuby-Samples/tree/master/SourceList2
> > > -
> https://github.com/Watson1978/MacRuby-Samples/tree/master/SourceListBinding
> > >
> > > enjoy! :)
> > >
> > > 2011/11/27 François Boone <francois.boone at usherbrooke.ca>:
> > >> Hi,
> > >> In the same way that this tutorial (
> http://developer.apple.com/library/mac/#featuredarticles/UsingMacRuby/_index.html),
> I try to implement a NSOutlineView controller in ruby to make a simple tree
> in the left part of a window.
> > >> I read the documentation of NSOutlineView, tasks and I understand I
> have to write at least four methods in my controller class:
> > >>        • – outlineView:child:ofItem:
> > >>        • – outlineView:isItemExpandable:
> > >>        • – outlineView:numberOfChildrenOfItem:
> > >>        • – outlineView:objectValueForTableColumn:byItem:
> > >> My questions are:
> > >> 1) what kind of object I have to use in ruby to fit with outlineView
> structure?
> > >> If I understand I need a structure like:
> > >> Parent_1 : child 1, child 2
> > >> Parent_2 : no child
> > >> Parent_3 : child 1, child 2, child 3
> > >> 2) Is a Hash like this:
> > >> Hash[ "Parent_1" => ["child 1", child 2"], "Parent_2", Parent_3 =>
> ["child 1", "child 2", "child_3"]]
> > >> can be the solution?
> > >> 3) where I can find this kind of information: the mapping between
> ruby data structure and NSObject data structure (for future use)?
> > >> 4) and the last one: I think I do not understand what is item in the
> last method:
> > >> – outlineView:objectValueForTableColumn:byItem:
> > >> item: An item in the data source in the specified tableColumn of the
> view.
> > >> So, if I want to make a simple tree, I should have just one column,
> and then item should be Parent_x or child_x: Is it right?
> > >>
> > >> Thank you for reply
> > >> François
> > >> _______________________________________________
> > >> MacRuby-devel mailing list
> > >> MacRuby-devel at lists.macosforge.org
> > >> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
> > >>
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> > >
> >
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