in src/behavior.ts [53:72]
public bindEvents(
options: BehaviorOptions,
selectionHandler: ISelectionHandler): void {
this.selection = options.selection;
this.clearCatcher = options.clearCatcher;
this.interactivityService = options.interactivityService;
this.series = options.series;
this.selection.on("click", (series: StreamGraphSeries) => {
selectionHandler.handleSelection(
this.series[(<any>series).index],
(getEvent() as MouseEvent).ctrlKey);
});
this.clearCatcher.on("click", () => {
selectionHandler.handleClearSelection();
});
}