[Zope-dev] Re: Zope 2.7: OrderSupport for ObjectManager

[Andrew Sawyers]

My concern was mainly with the assumption of migration; so since I've
been told on this end that's really a non-issue I'm not so worried anymore.
Andrew

Shane Hathaway wrote:

> Yuppie wrote:
>
>> Andrew Sawyers wrote:
>>
>>> I quickly glanced over the thread and at first thought I disagree.
>>> Order is important to many people (or at least the appearance of order)
>>> - and it's more then just sorting, because they want them sorted by
>>> Title, but always 'X' to be the first item.  This may not be so
>>> important to developers, but it's definately important to the end users
>>> of the systems I've created in the past (for sure the past 3
>>> projects). I'll talk to Shane and see if I understand the approaches
>>> they're
>>> planning for Zope3 (I'm out of the loop on that doing project
>>> work).....but so far I'm not convinced.
>>
>>
>>
>> Andrew, did you have a chance to talk to Shane?
>
>
> Andrew did, and we continue to disagree. :-)
>
> However, Toby and I seem to be the only ones who don't want stored
> order mixed in to normal folders.  I guess we're outnumbered.  So if
> you prefer to mix stored order into normal Folders, that's OK by me,
> but I'll make two requests:
>
> - Folders should have a new boolean attribute, perhaps
> "_stored_order".   It should default to false, meaning there is no
> stored order.  As soon as the user manually modifies the order, that
> attribute should be set to true.  This will smooth the transition to
> Zope 3, and it will allow folders without a stored order to continue
> to sort automatically.
>
> - Please split up manage_main into several parts.  This is fairly
> trivial to do, but no one has bothered.  You see, another change to
> manage_main is going to cause pain for everyone who maintains a
> product that replaces manage_main.  If you take the time to split up
> manage_main, it will no longer be necessary for products to replace
> the entire manage_main, and at least this might be the last time
> product maintainers have to endure this pain.
>
> BTW it doesn't really matter whether you change ObjectManager or
> Folder.  It is commonly believed that most folderish products subclass
> ObjectManager instead of Folder, but that is not the case.  Most
> folderish products subclass Folder.  Since ObjectManager is what knows
> about the _objects attribute, where the order is stored, you might as
> well implement the order modification API in ObjectManager.
>
> Shane
>