On Thu, May 13, 2021 at 5:33 PM PMario <[email protected]> wrote: > On Thursday, May 13, 2021 at 1:31:22 PM UTC+2 si wrote: > >> >>> Jeremy considers data tiddlers as a mistake, so he doesn't want to >> add more complexity to the core, to give it better support. If we have >> better support in the core, more users will use it, which makes it harder >> to get rid of it. >> >> @PMario Why does he consider data tiddlers a mistake? This seems related >> to my recent post here: What's the point of JSON tiddlers? >> <https://groups.google.com/g/tiddlywiki/c/skXcOsf_R94> >> > > That's not so easy to explain, but I'll try. It's part of the "selective > refresh" mechanism of TW. ... > > "Selective refresh" means, that widgets or parts of a widget are only > redrawn, if their parameters have been changed. > > Eg: You have 2 checkboxes, that are connected to the same data-tiddler, > which may be seen as an advantage. > > cb1: <$checkbox tiddler="test" index=1 checked="selected" unchecked="" > default=""> Selected?</$checkbox> > cb2: <$checkbox tiddler="test" index=2 checked="selected" unchecked="" > default=""> Selected?</$checkbox> >
This is exactly the case with the Todolist plugin! and it is quite common to have several 10s of todo items connected to three four dataTiddler! So, I should be aware to not use one Todolist with many items! > > > So with this setup, whenever you change the "selected / index" status of > cb1, the core also has to recalculate the "selected" status of cb2, because > the tiddler "test" has been changed. ... This wouldn't be the case if there > would be 2 different tiddlers. > > You may say, that's not a problem, because it's convenient. ... Yes it is > convenient and for this example it isn't a problem. ... BUT > > If you have several 100 indexes, that are "connected" to completely > different UI elements, it starts to be a problem: You will have to redraw a > lot of elements, that don't really need it. > > -------- > > I also think, that using data-tiddlers as "configuration" and / or > "lookup-tiddlers" that don't control visual elements, is convenient. And it > won't go away anyway. > > hope that helps > mario > > -- > You received this message because you are subscribed to the Google Groups > "TiddlyWiki" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tiddlywiki/1de0941f-227f-4624-8ebb-ba139c9ad710n%40googlegroups.com > <https://groups.google.com/d/msgid/tiddlywiki/1de0941f-227f-4624-8ebb-ba139c9ad710n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/CAAV1gMAwY%3D1eh275VZygs7tbQ%3DqU3ZXfAFt6djEkE0CQY8OwDw%40mail.gmail.com.
