Show Version After Extension Update

[Mark Dexter]

I've been playing around with the one-click extension update. It seems
like it would be nice to show the new extension version in the success
message.

We can do this now if we hard-code the version in a language string.
But it seems like we should be able to get the version number out of
the extension manifest. We have the the $parent object, which is an
instance of JInstallerComponent (in my example). This has a protected
field called manifest that has the old and new versions in it.

Would it make sense either (a) make this public so we could get the
new version with $parent->manifest->getAttribute('version') or (b) add
a getVersion() method to the class? Or maybe there is an easier way to
get the extension version from here?

Has anyone else had this issue? Any thoughts on this will be
appreciated. Thanks.

Mark

[Sam Moffatt]

Without checking $parent->manifest->getAttribute('version') will
likely be the version in the root tag which is supposed to be the
target Joomla! version (though not really used except in 1.0 to flag
legacy IIRC). You need to get the version tag from the file
($parent->manifest->version or similar) instead.

Cheers,

Sam Moffatt
http://pasamio.id.au

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[Mark Dexter]

The point is that this does not work at present because that field is
protected. Would it make sense to change that to public so we can show
the version in the success message? Mark

[Sam Moffatt]

We already have a public JInstaller::getManifest() already because the
adapters are distinct classes so cannot access protected properties of
the installer.

Cheers,

Sam Moffatt
http://pasamio.id.au

[Mark Dexter]

Actually, it turns out to be pretty easy after all. Inside the script, you can use this to get the new version number:

$parent->get('manifest')->version

So, in the helloworld example, you can do something like:

echo '<p>' . JText::sprintf('COM_HELLOWORLD_UPDATE_TEXT', $parent->get('manifest')->version) . '</p>';

and then use %s inside the language tag like:

COM_HELLOWORLD_UPDATE_TEXT="Hello world now updated to version %s."

Mark

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