Method _send_points_callback_message

js/src/widget.ts:1317–1335

* Build and send a points callback message to the Python side * * @param {Object} data * data object as provided by the plotly_click, plotly_hover, * plotly_unhover, or plotly_selected events * @param {String} event_type * Name of the triggering event. One of 'plotly_click',

(data: any, event_type: string)

   * @private
   */
  _send_points_callback_message(data: any, event_type: string) {
    if (data === null || data === undefined) {
      // No data to report to the Python side
      return;
    }

    /** @type {Js2PyPointsCallbackMsg} */
    var pointsMsg: Js2PyPointsCallbackMsg = {
      event_type: event_type,
      points: this.buildPointsObject(data),
      device_state: this.buildInputDeviceStateObject(data),
      selector: this.buildSelectorObject(data),
    };

    if (pointsMsg["points"] !== null && pointsMsg["points"] !== undefined) {
      this.model.set("_js2py_pointsCallback", pointsMsg);
      this.touch();
    }
  }

  /**
   * Stub for future handling of plotly_doubleclick