Track Changes (Request for Comments)

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We would like some feedback from you!

In a recent Design Session, Cindy Fulton and Kate Warne (University of California Press) determined that their Editoria workflow required a ‘track changes’ feature.

Their basic requirements were clean and simple:

  1. If the user adds text to the document: mark the text as an addition, and give it some color.
  2. If the user deletes existing text: annotate it as a deletion, and put a strikethrough line over it to show that this part has been deleted.

You can see the above 2 requirements implemented in the following animation:

As you can see, a third requirement is that users must also be able to resolve these changes by “accepting” or “rejecting” the suggested change.

We looked into a lot of different ways to solve these requirements with this additional design restraint: the interface for resolving changes should be in close proximity to the change itself to reduce the amount of cursor movement required to accept or reject a change.

In the image below you can see our first attempt to solve this problem:

As you can see, each change has a small area underneath it that gives you two options: “accept” and “reject.” These areas are always displayed and serve as a visual cue that something has been changed – allowing the user’s eyes to quickly identify all changes in a document. A possible disadvantage is that this may be overwhelming to the eye. More importantly, the ‘accept/reject’ texts tend to dominate the interface and the space needed for these items demands that the document’s line spacing is doubled, which may look a bit awkward to some.

Our second approach did not stray far from the first idea, but rather aimed to ‘tone it down’ a little as you can see below.

There is still an “accept / reject” area underneath the change, but it is only visible for the selected change. With this approach, the interface is cleaner and the line height only needs to change for the line with the active change, keeping things tidier.

But both versions above have a possible limitation. It is possible that future versions will need to display more information about the change. We can easily see why the user would like to see who made the change and when, as this is information that could influence the decision on how to resolve the edit. So, perhaps, we need to think ahead a little. In our next attempt, below, we tried keeping all actions and information in a tooltip.

Even though some complexity is introduced in the above prototype (especially regarding the potential display of multiple tooltips), it introduces an important new possibility: ‘information space’ where we can display additional options or information related to the change. We can also make the tooltip as large or as small as needed and adjust with minimal effort in future iterations.

The fourth and final version was more consistent with the way annotated comments work in the Editoria editor. This breaks the proximity-to-the- change constraint, but perhaps not by too much.

As you can see, instead of displaying the buttons right under the change, we display a tool with “accept” and “reject” icons on the right edge of the document. This is the least intrusive approach that we could imagine. The problem, however, is again, space. There is minimal area to add new elements in the future without using up the area to the right of the document, which is normally reserved for easily readable comments.

Of course, designing in anticipation of possible future features is also, perhaps, a problematic approach but we enjoyed exploring this a little. We would love to hear your thoughts on all of the above. Please join the new Editoria list below and have you say!!forum/editoria-development
The post written by Yannis Barlas. The track changes prototypes created by the Coko Athens team; Yannis, Christos Kokosias and Alexis Georgantas.

UI in the prototypes by Julien Taquet.

Many thanks to Adam and Alex, since their work with UCP is what made this feature come to the table in the first place.

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