Grafana Events (EventBus)
Grafana uses an event bus to publish application events to notify different parts of Grafana when the user acts.
const subscription = eventBus.subscribe({ type: "data-hover" }, () => {
console.log("Data hovered.");
});
return () => {
subscription.unsubscribe();
};
Predefined Events
| Event | Description |
|---|---|
| absolute-time | |
| annotation-event | |
| annotation-query-finished | |
| annotation-query-started | |
| copy-panel | Called to copy a panel JSON into local storage. |
| dashboard-loaded | |
| dashboard-saved | |
| data-hover | Hovering over Legend and data point when shared crosshair enabled. |
| data-hover-clear | |
| data-select | |
| datasource-updated-successfully | |
| panel-edit-finished | |
| panel-edit-started | |
| refresh | Called when a dashboard is refreshed. |
| render | |
| shift-time | |
| theme-changed | Called when the theme settings change. |
| time-range-updated | Called when time range is updated. |
| variables-changed | |
| variables-changed-in-url | |
| variables-time-range-process-done | |
| zoom-out |
