code: function () {
              if (!this.props.entry.get("rename")) {
                  if (this.state.clickTimer !== null) {
                      this.clearTimer();
                  }
                  this.props.actions.selectInWorkingSet(this.myPath());
              }
          }
docs: When the user double clicks, we will select this file and add it to the working
  set (via the `selectInWorkingSet` action.)