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bug#69305: outline-minor-mode for tabulated-list-mode
From: |
Juri Linkov |
Subject: |
bug#69305: outline-minor-mode for tabulated-list-mode |
Date: |
Fri, 23 Feb 2024 09:09:03 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/30.0.50 (x86_64-pc-linux-gnu) |
>> >> +@defvar tabulated-list-groups
>> >> +This buffer-local variable specifies the groups of entries displayed in
>> >> +the Tabulated List buffer. Its value should be either a list, or a
>> >> +function.
>> >> +
>> >> +If the value is a list, each list element corresponds to one group, and
>> >> +should have the form @w{@code{(@var{group-name} @var{entries})}}, where
>> >> +@var{group-name} is a string inserted before all group entries, and
>> >> +@var{entries} have the same format as @code{tabulated-list-entries}
>> >> +(see above).
>> >> +
>> >> +Otherwise, the value should be a function which returns a list of the
>> >> +above form when called with no arguments.
>> >> +@end defvar
>> >
>> > I think the way to specify ENTRIES for this customization should be
>> > described in more detail. Reading the above description, even the
>> > idea of using ENTRIES for specifying grouping is unclear, since
>> > tabulated-list-entries is basically just a list of column descriptors.
>>
>> But ENTRIES are described in 'tabulated-list-entries'. Here ENTRIES
>> are no different from 'tabulated-list-entries' that are just
>> column descriptors.
>
> My point is that it isn't obvious how to describe grouping in terms of
> column descriptors. I think the manual should tell in more detail how
> to use column descriptors to specify how entries should be grouped.
> Maybe an example or two is all that it takes to do that.
Sorry, I don't understand what is unclear here:
If the value is a list, each list element corresponds to one group, and
should have the form @w{@code{(@var{group-name} @var{entries})}}, where
@var{group-name} is a string inserted before all group entries, and
@var{entries} have the same format as @code{tabulated-list-entries}
(see above).
Basically this says that the format is (group-name entries) where
entries are described in tabulated-list-entries as having the format
(id contents). There is no need to duplicate the description of entries.
>> >> +(ert-deftest tabulated-list-groups ()
>> >> + (with-temp-buffer
>> >> + (tabulated-list-mode)
>> >> + (setq tabulated-list-groups
>> >> + (reverse
>> >> + (seq-group-by (lambda (b) (concat "* " (aref (cadr b) 3)))
>> >> + tabulated-list--test-entries)))
>> >> + (setq tabulated-list-format tabulated-list--test-format)
>> >> + (setq tabulated-list-padding 7)
>> >> + (tabulated-list-init-header)
>> >> + (tabulated-list-print)
>> >
>> > This seems to test only the function value of tabulated-list-groups?
>> > What about the other form of the value?
>>
>> The other forms have no functional difference.
>
> Sorry, I don't follow. Shouldn't we test the capability of specifying
> grouping by the method other than by providing a function?
Actually there are no other methods.
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/21
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/21
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/22
- bug#69305: outline-minor-mode for tabulated-list-mode,
Juri Linkov <=
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/23
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/24
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/24
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/24
- bug#69305: outline-minor-mode for tabulated-list-mode, Adam Porter, 2024/02/25
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/25
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/25
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/27
- bug#69305: outline-minor-mode for tabulated-list-mode, Eli Zaretskii, 2024/02/27
- bug#69305: outline-minor-mode for tabulated-list-mode, Juri Linkov, 2024/02/27