[Phpmyadmin-devel] about PMA_THEME_VERSION

Sebastian Mendel lists at sebastianmendel.de
Wed Aug 2 15:28:39 CEST 2006

Marc Delisle schrieb:
> Sebastian Mendel a écrit :
>> Marc Delisle schrieb:
>>> Michal Čihař a écrit :
>>>> Hi all
>>>> I think this should go to -devel so I post it here :-).
>>>> On Wed, 02 Aug 2006 08:23:31 -0400
>>>> Marc Delisle <Marc.Delisle at cegepsherbrooke.qc.ca> wrote:
>>>>> I discussed with Sebastian and I would like your opinion, since 
>>>>> Sebastian and I disagree.
>>>>> In the doc we say
>>>>> "Themes within same generation should be backwards compatible
>>>>> - theme with version 2 should work in phpMyAdmin requiring version 1.
>>>>> Themes with different generation are incompatible."
>>>>> In Config.class.php, Sebastian marked deprecated PMA_THEME_VERSION and 
>>>>> In Theme.class.php, there is a checkVersion() function that
>>>>> 1. uses version_compare(), which would not give the level of 
>>>>> verification we need, and
>>>>> 2. is never used :)
>>>>> Sebastian says that a user should see all the installed themes and be 
>>>>> able to choose them, even if they are not compatible; he says that a 
>>>>> user should be able to notice by himself that a theme is outdated.
>>>> I think showing all themes is sensible way to go. Otherwise if user
>>>> installs old theme, it is hard to find out what's going on. And I saw
>>>> such problem several times.
>>>> However user might not be able to notice this himself, so I'd put
>>>> warning on bottom of main.php if theme is outdated (saying that some
>>>> parts might be displayed wrongly due to too old theme).
>>> Yes, or add something like "outdated" in the dropdown next to an 
>>> outdated theme?
>>>> The only problem is how to check whether theme is compatiblem.
>>>> I thought generation/version will be best solution when I wrote that
>>>> code, because I expected theme changes don't have to be with each
>>>> version...
>>> It's possible to split the new $theme_full_version in 2 parts and do a 
>>> check similar to what was in 2.7.0.
>> i would prefer using version_compare() and a single version number (2.3)
>> and not splitted up in two variables
>> but of course we could make the theme version independent of phpMyAdmin
>> version
> I'm not saying that we have to use 2 variables in info.inc.php, just 
> internally.
> With version_compare(), how do you implement this:
> if ($theme_generation != PMA_THEME_GENERATION)
>      continue; // different generation
> if ($theme_version < PMA_THEME_VERSION)
>     continue; // too old version

this is not required

if (! version_compare($pma_theme_version, $theme_version)) {
    $display_outdated_theme_warning = true;

Sebastian Mendel


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