Hi Karl,
this is quite simple via "self changed: #objectChanged with: anObject" in ObjectExplorer >> #currentSelection:. However, IndentingListItemMorph >> #refresh has some specific side-effects regarding the monitoring feature in Object Explorers, meaning, the color of the label will change. We should fix/decouple that. Additionally, expanded sub-sub-trees will collapse on the update as described in PluggableTreeMorph >> #updateMorph:.
...oops, somebody should also implement PluggableTreeItemNode >> #refresh. ;o)
Best, Marcel
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