Layout options

[Kr0nox]

Adds option for

• layouting
• hiding edge labels
• simplyfing node names

Addresses parts of DataFlowAnalysis/DataFlowAnalysis#226

[sebinside]

Discussed improvements:

• Remove node labels when choosing simplified names
• Smaller minimal size/width for nodes
• Add switch for read-only
  • Is deactivated if read-only is forced and cannot be changed
  • Can be toggled in edit / "normal" read-only mode
  • Is toggled automatically when applying hide edge labels or simplify node names

[sebinside]

I had no obvious formatting issues (even in larger models), however, I found two bugs:

• Activating one of the simplifying switches (no labels, simple names) shall activate read only, disabling read only shall disable both simplifying switches
• If read only is activated, changing the formatting option has no effect

Looks beautiful though for the CWA :D

[Kr0nox]

If read only is activated, changing the formatting option has no effect

It does change the formatting option in the tool-palette.
It not performing the layouting is the intended behavior, as formatting over the tool pallet was previously also not allowed through the pallet. This also makes it stay in line with the disalowance of moving nodes

[sebinside]

Comments from the meeting:

• change enum to "mode"
• two options: view and edit

This is sprechend.

[Kr0nox]

Currently, disabling both simplifications options does disable read-only. Doing so would result in removing all annotations without the explicit actions of the user.
Thus I would suggest that readonly does not get disabled when both options get disabled

Weil du im Urlaub bist

[Nicolas-Boltz]

LGTM