Basic Diagram Editor controls
On the lower right corner of diagram editor you can find a toolbar with some basic tools to help you when you are creating/editing your diagram.
Here is a small description of each tool functionality:
Zoom in / zoom out: diagram zoom
Fit view: automatically fits whole diagram on screen to fit whole view.
Interactivity toggle: you can toggle interactivity on/off. When you turn off interactivity, you cannot move any nodes or connection on diagram.
Delete: deletes selected group nodes or selected connections (same as "delete" / "backspace" keys)
You can select select a group or a connection by clicking on them.
When you select a group, it will get highlighted as shown below.
When you select a connection it will get a dash-line highlight effect.
You can also select multiple groups using Ctrl (Windows) / Command (Mac) to move or delete them.
Multiple selection of groups Deleting groups & connections
To delete a group or a connection, select either a group or a connection and press "delete" or "backspace" on keyboard or use "delete" tool from toolbar.
