         view.autoPinEdge(toSuperviewEdge: .left),
 
         view.autoSetDimension(.height, toSize: tool.minimumDimension, relation: .greaterThanOrEqual)
-        ])
+      ])
     case .left:
       self.layoutConstraints.append(contentsOf: [
         view.autoPinEdge(toSuperviewEdge: .top),

        view.autoPinEdge(.left, to: .right, of: button, withOffset: thickness),

        view.autoSetDimension(.width, toSize: tool.minimumDimension, relation: .greaterThanOrEqual)
        ])
    }
  }


      let locInBar = self.convert(locInProxy, to: self.container)

      if self.buttonFrames.filter({ $0.contains(locInBar) }).isEmpty
         && self.container!.barFrame().contains(locInBar) {
        self.container!.tools.remove(at: toolIdx)
        self.container!.tools.append(tool)
        self.container?.delegate?.moved(tool: tool)
