uh, for some reason my mail client eat the formatting... but you get the idea ;)
On Mar 20 2022, at 3:14 pm, Esteban Lorenzano <esteba...@netc.eu> wrote:
> Hi,
>
> well, the incomplete documentation of Spec states clearly that you will be
> receiving two parameters:
> onAcceptEdition: aBlock
> "Set the block to execute when cell edition is accepted.
> `aBlock` receives two arguments:
> - the element of the table (See `SpAbstractListPresenter>>#items:`
> - the string entered while editing"
> acceptAction := aBlock
>
> So, when you set beEditable to your column, you can do something like this:
> items := { #one -> 'one'. #two -> 'two' }.
> table := SpTablePresenter new
> addColumn: (SpStringTableColumn title: 'Key' evaluated: #key);
> addColumn: (SpStringTableColumn new
> title: 'Value';
> evaluated: #value;
> beEditable;
> onAcceptEdition: [ :item :newValue | item value: newValue ];
> yourself);
> items: items;
> open.
> and then you can edit whatever you want and update your item.
>
> Now, since this is a mechanism that has not been used a lot yet in morphic
> backend, I just discovered and fixed a bug (not in editable tables, but that
> affects it: https://github.com/pharo-spec/Spec/issues/1263), so if you want
> to actually use the functionality, you will need to wait until is merged
> (tomorrow).
> Esteban
>
> On Mar 20 2022, at 10:26 am, Mark O'Donoghue <mark.odonoghue.2...@gmail.com>
> wrote:
> > Howdy all
> >
> >
> > I am making progress with quite a large application which relies heavily on
> > Spec2
> > ( but Spec2 is such a big learning curve for me – especially given the
> > incomplete documentation… 😊)
> >
> > I am currently struggling with the following issue:
> > I have a SpTablePresenter which shows a collection of domain objects
> > (subclassed from Model).
> > The domain object are instances of ‘Asset’ which is a relatively simple
> > class.
> > The table works fine.
> >
> > Now, I need to be able to update some columns , but I don’t think I want to
> > build a separate form for doing classic CRUD operations.
> > (There is no need for create or delete functionality – so an in-situ update
> > seems desirable…).
> >
> > I’ve made a start using SpStringTableColumn >> beEditable and
> > #onAcceptEdition:
> >
> > But I can’t see how to work out what row and column has changed, and how I
> > can update the corresponding Asset instance(s).
> > It thought it would be handled using #whenModelChanged: but there are
> > models in many places (and at several levels in the Spec hierarchy)…
> > I’ve tried following it all the way down to the adapters and morphs but I
> > can’t see how the freshly edited cell interacts with the model or
> > announcements.
> >
> > (BTW - It doesn’t look like the ‘selected item’ features are appropriate
> > since you can do edits in other rows regardless of what row is/isn’t
> > selected.)
> >
> > Is there a correct and/or elegant way to detect these cell changes in a
> > SpTablePresenter and apply them to my domain objects…?
> >
> > Cheers
> > Mark
> >
> >
> >
> >
> > From: Mark O'Donoghue <mark.odonoghue.2...@gmail.com>
> > Sent: Sunday, 4 July 2021 5:26 PM
> > To: pharo-users@lists.pharo.org
> > Subject: Question about Spec2 and SpTablePresenter
> >
> >
> >
> >
> >
> > Howdy all
> >
> > I’ve got stuck trying to manage Tables – over 12 hours now and I’m out of
> > ideas!. ☹
> >
> > Any observations / suggestions are most welcome…
> >
> > I’ve been loading small external files of transactions using NeoCSV into
> > Spec2 tables.
> > I am trying to use Fuel to persist the table contents so that my
> > application will re-load the working state from where I finished in the
> > last session.
> > (I’ve opted for Fuel as a simple alternative to having to do the whole
> > object relational mapping thing.)
> >
> > The idea is that transactions (and potentially some manual adjustments)
> > will be processed over time.
> > (This is preferable to having to reload all files from the beginning evert
> > time I run the application…)
> >
> > The Spec2 tables have been working well until I tried to persist them.
> > I can’t seem to fully re-load them to a previously saved state.
> >
> > For example - I can restore the essential contents of my table in most
> > circumstances using:
> >
> > restoreObjects
> >
> > “filePresenter1 is a SpTablePresenter”
> >
> > | objects savedEntry |
> >
> > objects := CpPersist restoreObjectsFromFileNamed:
> > 'E:\Me\zzzST-Test\demo.fuel'.
> >
> > recentFileList := objects at: 1.
> > currFileFilter := objects at: 2.
> > savedEntry := objects at: 3.
> >
> > self updateFilterButton: currFileFilter.
> >
> > filteredFileList := self filterFilesUsing: currFileFilter.
> >
> > filePresenter1 items: filteredFileList.
> >
> > savedEntry
> > ifNotNil: [filePresenter1 selectItem: savedEntry ].
> >
> >
> > However, if any of the table columns are re-sorted , the re-load operation
> > gets confused and I can’t get the saved a saved selected item to become
> > selected again.
> >
> > (It seems to be confusing the index numbers of the sorted and unsorted
> > lists – even when I match by contents rather than index.)
> > (I also created an equality test to ensure equivalent entries are
> > recognised by the #= operation in the list of the underlying model ).
> >
> > This all works fine - unless I sort a column!
> >
> > Since this approach was going to be used on several screens I’d really like
> > to find a solution.
> >
> > Cheers
> > Mark
> > Perth, Western Australia
