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This PR fixes some issues with the
ProcedureModel
, enables appending nodes by double clicking (similar to the functionality available for theModule
palette, and also cleans up the slots of theConfigurationTab
a tad.This turned out to be an interesting one, that required a deep-dive into the almost non-existent docs. It seems like the issues came down to fact that
dropMimeData
already results in a call toremoveRows
onQt::MoveAction
. So, we were actually trying to remove the rows twice. Also, I think the call tosetData
, and thus emittingdataChanged
, was troublesome (and now I believe unnecessary) too.Edit: There still seems to be a problem with nodes that have a
branch
...Closes #1600.