Hi! El lun, 21-06-2004 a las 09:03, Richard Hult escribió: > On lör, 2004-06-19 at 11:13 +0000, Alvaro del Castillo wrote: > > > About the time before 0.12, I have just finished undoing add and remove > > calendars, so I feel the undo system is very very near to be finished. A > > week. Only Working time and Default week are missing, and the two > > dialogs use a "Apply button" so implement undoing is much easier. > > > > We need to discuss if having an undo system, Apply button have sense, > > but for 0.12 I feel we will release with apply buttons in those dialogs. > > The apply buttons aren't there due to having undo or not. They are used > for three different reasons: > Yes, I understand that apply button aren't here to help the undo code ;-) But maybe, a reason could be to have apply button when changes in a planner plan are big and hard to undo. In the past there isn't undo so you could put an apply button for this. But now that I understand the 3 reasons to use them, the undo system doesn't change them. Cheers -- Alvaro > 1. in places where instant apply would be too slow (if selecting a > radiobutton would trigger something that takes a lot of calculations for > example) > > 2. where you would get an inconsistent state with instant apply, like if > you need to select a whole group of choices together > > 3. where it's really hard to come up with a UI that is obivous how use > with instant apply > > It's basically only number 3 that we can do something about. > > /Richard
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