[Assignments] Prevent unsupported behaviour in the assignment UI for the annotation assignment type

[ericlee-]

The new annotation assignment type does not have error messages/UI restrictions to warn instructors whenever they are attempting to do unsupported behaviour.

Unsupported File Types

The annotation assignment type uses Canvas' DocViewer to facilitate student annotations. The DocViewer only has a limited amount of supported file types. However, the annotation assignment type can accept unsupported file types as an annotation file. An instructor doing this results in no errors/warnings from the user interface. In this screenshot, I am uploading a .mp4 (unsupported) file as an annotation file.

When a student goes to submit to an annotation assignment that uses an unsupported annotation file (in this case, .mp4), the student just sees a blank screen.

[Stef_retired]

@ericlee-  Thanks for sharing these ideas. Peer review capability was added in the May release, so no tool tip is necessary; peer review is supported. Would you edit the idea to remove the peer review section?

[ericlee-]

@Stef_retired Thanks, I removed the peer review section .

[Stef_retired]

@ericlee- Thanks!