[Kde-pim] KResource plugin selection

[Kevin Krammer]

Hi PIMsters,

first a bit of context:

I am currently working on improvements to the Akonadi resource for KABC 
resources.

Part of that is selecting the KResource plugin and currently this is handled 
exactly like in KAddressBook, i.e. using KInputDialog::getItem()

In KAddressBook this works nicely because it can pass  widget parent thus 
getting the window relationship right, avoiding the focus stealing prevention 
to kick in.
Within the Akonadi resource I only have access to a window id so I need to use 
KWindowSystem::setMainWindow() which requires a pointer to the dialog which 
KInputDialog does not provide.

So instead of writing just a KInputDialog reimplementation I though that I 
could also get rid of the two dialog approach, i.e. selecting a plugin in one 
dialog and then configuring it in another.

I decided to do an assistant type approach where the first page shows the 
plugins in a list on the left and the selected plugin's description on the 
right.
Description as in KRES::Factory::typeDescription(), however this is currently 
always empty since the .desktop files miss the respective Comment field (see 
attachment)

The second page would then show the plugin configuration widget, though it 
truned out that some plugins do not have such a widget, e.g. the one for 
Kolab.

IMHO these plugins should at least show an info text, e.g. return a 
ConfigWidget implementation with just a QLabel.
I currently just display a generic "No config required" kind of message which 
is almost certainly misleading :-/

Since the dialog gets the siize required for the largest config widget some of 
them should probably also be relayouted, e.g. the one for LDAP is huge.

Such texts and widget improvements probably directly benefit a respective 
Akonadi resource implementation as well.

I can relicence to LGPL if anyone else is interested.

Cheers,
Kevin

-- 
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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