This is an extension and not part of the main GoJS library. Note that the API for this class may change at any time. If you intend to use an extension in production, you should copy the code to your own source directory. See the Extensions intro page for more information.
Optional init: Partial<LocalStorageCommandHandler>OverridecanThis predicate controls whether or not the user can invoke the pasteSelection command.
This works just like go.CommandHandler.canPasteSelection, but looks at LocalStorage instead of a static variable.
Optional pos: PointOverridecopyOverridepasteIf LocalStorage holds JSON for a collection of go.Parts, and if the go.Model.dataFormat matches that stored in the clipboard, this makes a copy of the clipboard's parts and adds the copies to this go.Diagram.
a collection of newly pasted go.Parts
This CommandHandler class uses localStorage as the repository for the clipboard, rather than an in-memory global variable. It requires that the go.Diagram.model be serializable and deserializable using go.Model.toJson and go.Model.fromJson.
The copyToClipboard and pasteFromClipboard functions fall back to using the standard definitions if there are any errors calling
Storage.getItemorStorage.setItem.Typical usage:
or:
If you want to experiment with this extension, try the Local Storage Commands sample.