On Wed, Mar 22, 2017 at 1:21 PM, 'Terry Brown' via leo-editor < leo-editor@googlegroups.com> wrote:
> On Wed, 22 Mar 2017 10:37:15 -0500 > "Edward K. Ream" <edream...@gmail.com> wrote: > > > > I think Leo will become much more powerful / flexible when it has > > > multiple node editor components that are free to act on different > > > parts of the tree. > > > > Yes. I was just thinking that a Publish/Subscribe pattern for > > notifications might be good. > > Yep, that's the pattern LEP's using. I think it's listening to > bodykey2, which works apart from backspace / delete not generating a > signal (trivial). And in the opposite direction, the original body pane > sees changes to c.p.b immediately, I should work out the mechanism > behind that. > After further thought, I see that the problem with the Pub/Sub pattern is that it isn't a good fit for multiple body panes. Indeed, only one body pane, the presently selected pane, should "respond" to a change in c.p. So there can only be one "subscriber" at a time. This makes the "subscriber list" not so useful ;-) Sure, there are workarounds, but the pattern is far from a magic bullet. Edward -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To unsubscribe from this group and stop receiving emails from it, send an email to leo-editor+unsubscr...@googlegroups.com. To post to this group, send email to leo-editor@googlegroups.com. Visit this group at https://groups.google.com/group/leo-editor. For more options, visit https://groups.google.com/d/optout.
