[Delegate] implement additional selection / multi-selection + editing APIs?

[jessesquires]

Selection

Selection docs: https://developer.apple.com/documentation/uikit/uicollectionviewdelegate#1656555

Single Selection APIs

• collectionView(_:shouldSelectItemAt:)
• collectionView(_:didSelectItemAt:) - CellEventCoordinator
• collectionView(_:shouldDeselectItemAt:)
• collectionView(_:didDeselectItemAt:) - CellEventCoordinator

Multi-selection APIs

• collectionView(_:shouldBeginMultipleSelectionInteractionAt:)
• collectionView(_:didBeginMultipleSelectionInteractionAt:) - CellEventCoordinator?
• collectionViewDidEndMultipleSelectionInteraction(_:)

Editing

Edit docs: https://developer.apple.com/documentation/uikit/uicollectionviewdelegate#3618659

[nuomi1]

Managing the selected cells

• collectionView(_:shouldSelectItemAt:)
• collectionView(_:didSelectItemAt:) - CellEventCoordinator
• collectionView(_:shouldDeselectItemAt:)
• collectionView(_:didDeselectItemAt:) - CellEventCoordinator?
• collectionView(_:shouldBeginMultipleSelectionInteractionAt:)
• collectionView(_:didBeginMultipleSelectionInteractionAt:) - CellEventCoordinator?
• collectionViewDidEndMultipleSelectionInteraction(_:)

[jessesquires]

As far as PRs go, let's group single selection into 1 PR and multi-selection into another.

We should probably also exercise this functionality in the example app.

[jessesquires]

Also, I'd say this task (especially multi-selection) is lower priority than others.

[nuomi1]

As far as PRs go, let's group single selection into 1 PR and multi-selection into another.

That's what I meant. 😁

[nuomi1]

Also, I'd say this task (especially multi-selection) is lower priority than others.

Which task should I begin to start?

[jessesquires]

Which task should I begin to start?

Sorry for the delay @nuomi1 ! I've started a discussion thread that we can use for this. 😄

#129