Alex Tweedly wrote: > On 08/06/2017 22:37, Richard Gaskin via use-livecode wrote: >> Alex Tweedly wrote: >> >> > On 08/06/2017 20:20, Richard Gaskin wrote: >> >> If you're committed to a script-only stack there's no decision to >> >> make: every control must be instantiated dynamically, because a >> >> script-only stack contains the stack script only, no objects. >> >> >> > Well, not quite "every control". >> > >> > You could : >> > - if the relevant template control/group exists - copy it >> > - if not, create it dynamically, and then copy it >> > >> > This way >> > - the stack can be script-only >> > - most instantiations take minimal time >> >> True, to the degree that your app uses non-script-only stacks, you >> won't need to do everything in script only. :) >> >> > No, I'm actually doing this all within a script-only stack. > It's a behaviour stack, which is used as a behaviour attached to > groups in the main app stack (which could be binary or script-only). > The behaviour is defined to create controls (actually, groups) as > requested by the main stack - which basically sets up a list of needed > controls, and then calls a handler in the behaviour. > > So something vaguely like .... > > on preOpenCard > > settheEditingMode ofgrp"grp1"ofmetoFALSE > > settheSpec ofgrp"grp1"ofmetogSpec > > dispatch"buildGroup"togrp"grp1" > > ... > > and within 'buildgroup' it does the > check for the template group existing, create it (from an internal > default set of properties) if needed > > This also (I think) allows for the app stack to pre-define the > template groups ahead of time, thereby pre-empting the creation of the > groups within the behaviour stack. Haven't actually done that yet, or > fully considered the problems doing so will create - but it's a > loophole I'm leaving myself in case I need it :-)
I don't understand. A script-only stack contain no objects, so even if you later copy them, they still need to be dynamically instantiated at some point, no?
Like a Zen koan: how can there be a binary object where there is no binary object?
-- Richard Gaskin Fourth World Systems Software Design and Development for the Desktop, Mobile, and the Web ____________________________________________________________________ ambassa...@fourthworld.com http://www.FourthWorld.com _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
