halogen-diagram-editor: drag & drop on spacebar-created bricks destroys them

[clayrat]

Erik:

cause

Cause: reload event in the studio overwrites the changed diagram with the loaded one from the studio state, hereabouts:

purescript-studio/studio/src/View/Studio/View.purs

Lines 84 to 94 in f214105

	ResolvedDiagram diagramInfo nodeMaybe ->
	div [ classes [ ClassName "flex" ] ]
	[ div [ classes [ ClassName "w-1/2" ] ]
	[ slot _diagramEditor unit DiagramEditor.ui diagramInfo.ops (Just <<< HandleDiagramEditorMsg) ]
	, div [ classes [ ClassName "w-1/2", ClassName "pl-4" ] ]
	[ case nodeMaybe of
	Just (NetNode netInfo) -> slot _petrinetEditor unit (PetrinetEditor.ui (Just "diagram_node")) netInfo (Just <<< HandlePetrinetEditorMsg)
	Just (DiagramNode diagramInfo2) -> text "TODO viewing internal diagrams is not supported yet."
	Nothing -> text "Click a node to show the corresponding net or diagram."
	]
	]

todo

• Halogen.raise an 'output event' that will allow us to respond to diagram edits.
• Process this event and persist them, for loaded Projects.
• get rid of CursorMoved

[clayrat]

Actually the problem is just clicking the new ops, because that's the action triggered by dragging and dropping things onto them.

[clayrat]

Basically what happens is clicking any operator except "Traffic lights" and "Producer-consumer" resets the diagram editor

[epost]

Cause: reload event in the studio overwrites the changed diagram with the loaded one from the studio state.