Function custom_msg_sender

js/src/Mark.ts:412–431

(event_name)

  }

  custom_msg_sender(event_name) {
    const event_data = this.event_metadata[event_name];
    if (event_data !== undefined) {
      let data = null;
      if (event_data.hit_test) {
        //do a hit test to check valid element
        const el = d3.select(d3GetEvent().target);
        if (this.is_hover_element(el)) {
          data = el.data()[0];
          if (event_data.lookup_data) {
            data = this.model.get_data_dict(data, data.index);
          }
        } else {
          //do not send mssg if hit test fails
          return;
        }
      }
      this.send({ event: event_data.msg_name, data: data });
    }
  }

  reset_click() {
    this.event_listeners.element_clicked = function () {};