Exporting transaction logs for recreation

GoJS
1

Hi, is it possible to recreate a diagram from the transaction logs?

2

That depends on what is in the logs.

Look at Model.toIncrementalJson and Model.applyIncrementalJson.

3

so to make such a log I would need to listen to Model.CommittedTransaction and save the result of toIncrementalJson?

4

It’s normal to check for e.isTransactionFinished in the model Changed listener, because that will include undo and redo actions. But perhaps for your scenario just checking for e.change === go.ChangedEvent.Transaction && e.propertyName === "CommittedTransaction" might suffice. See ChangedEvent | GoJS API.

For example: State Chart With Incremental Saves.