[Interest] Qml Attached properties list inheritance

[Jérôme Godbout]

Hi,
I would like to know if this is possible to make inherited attached
properties into Qml declaration append to a list of items.

Example:

*file A.qml*

Item
{
  AttachmentClass.myList: ['w', 'x', 'z']
}

*file B.qml*
A
{
   AttachmentClass.myList: ['t', 'u']
}

I would like to know if it's possible to have
AttachmentClass.myList = ['w', 'x', 'z', 't', 'u']
instead of the current
AttachmentClass.myList = ['t', 'u'] // base class component attachee entry
are overrided, normal and await

I know it sound weird, but I would like to collect all inhereted elements
into the attachee. Probably impossible just wondering if anybody have a
clue of how to do it elegantly?

The only thing I see is to concat by signal/slots and assign the results,
this make it weird syntax. Something like this for file B.qml:

A
{
  Component.onCompleted:
  {
     AttachmentClass.myList = ['t', 'u'].concat(AttachmentClass.myList)
  }
}

This does work, but I found it pretty ugly and it's not assigned until
component is completed. On top of it, B need to konwn that A did make an
attached properties to use it, which is what I try to avoid.

Any though on this?

Thanks,
jerome
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