Code review comment for lp:~pkunal-parmar/ubuntu-calendar-app/TimeLineView

115 + onExpandedChanged:{
116 + item.expanded = eventView.expanded;
117 + }

To achieve the same result in a more declarative way, use the Binding item:

  Binding {
    target: eventViewDelegate.item
    property: "expanded"
    value: eventView.expanded
  }