func outlineView()

in src/Tulsi/OptionsEditorController.swift [346:394]
45 lines of code
10 McCabe index (conditional complexity)

  func outlineView(_ outlineView: NSOutlineView, viewFor tableColumn: NSTableColumn?, item: Any) -> NSView? {
    if tableColumn == nil { return nil }

    let identifier = tableColumn!.identifier
    if OptionsEditorController.bindingsControlledColumns.contains(identifier.rawValue) {
      return outlineView.makeView(withIdentifier: identifier, owner: self)
    }

    let optionNode = optionNodeForItem(item as AnyObject, outlineView: outlineView)
    let optionLevel = OptionsEditorNode.OptionLevel(rawValue: identifier.rawValue)!
    let (displayItem, inherited) = optionNode.displayItemForOptionLevel(optionLevel)
    let explicit = !inherited
    let highlighted = explicit && optionLevel == optionNode.mostSpecializedOptionLevel
    let editable = optionNode.editableForOptionLevel(optionLevel)

    let view: NSView?
    switch optionNode.valueType {
      case .string:
        view = outlineView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: OptionsEditorController.tableCellViewIdentifier),
                                                  owner: self)
        if let tableCellView = view as? TextTableCellView {
          prepareTableCellView(tableCellView,
                               withValue: displayItem,
                               explicit: explicit,
                               highlighted: highlighted,
                               editable: editable)
        }

      case .stringEnum:
        fallthrough
      case .bool:
        let identifier: String
        if explicit {
          identifier = OptionsEditorController.boldPopUpButtonCellViewIdentifier
        }
        else {
          identifier = OptionsEditorController.popUpButtonCellViewIdentifier
        }
        view = outlineView.makeView(withIdentifier: NSUserInterfaceItemIdentifier(rawValue: identifier), owner: self)
        if let tableCellView = view as? PopUpButtonTableCellView {
          preparePopUpButtonTableCellView(tableCellView,
                                          withMenuItems: optionNode.multiSelectItems,
                                          selectedValue: displayItem,
                                          highlighted: highlighted,
                                          editable: editable)
        }
    }
    return view
  }