QueryField class
Renders an editor field. Pass initial value as initialQuery and listen to changes in props.onValueChanged. This component can only process strings. Internally it uses Slate Value. Implement props.onTypeahead to use suggestions, see PromQueryField.tsx as an example.
Signature
export declare class QueryField extends React.PureComponent<QueryFieldProps, QueryFieldState>
Import
import { QueryField } from '@grafana/ui';
Constructors
| Constructor | Modifiers | Description |
|---|---|---|
| constructor(props, context) | Constructs a new instance of the QueryField class |
Properties
| Property | Modifiers | Type | Description |
|---|---|---|---|
| editor | Editor | null |
||
| handleBlur | (event: Event, editor: CoreEditor, next: Function) => any |
We need to handle blur events here mainly because of dashboard panels which expect to have query executed on blur. | |
| lastExecutedValue | Value | null |
||
| mounted | boolean |
||
| onChange | (value: Value, runQuery?: boolean | undefined) => void |
Update local state, propagate change upstream and optionally run the query afterwards. | |
| plugins | Plugin[] |
||
| runOnChange | () => void |
||
| runOnChangeAndRunQuery | () => void |
||
| runOnChangeDebounced | Function |
||
| runOnRunQuery | () => void |
Methods
| Method | Modifiers | Description |
|---|---|---|
| componentDidMount() | ||
| componentDidUpdate(prevProps, prevState) | ||
| componentWillUnmount() | ||
| render() |
constructor(props, context)
Constructs a new instance of the QueryField class
Signature
constructor(props: QueryFieldProps, context: Context<any>);
Parameters
| Parameter | Type | Description |
|---|---|---|
| props | QueryFieldProps |
|
| context | Context<any> |
editor property
Signature
editor: Editor | null;
handleBlur property
We need to handle blur events here mainly because of dashboard panels which expect to have query executed on blur.
Signature
handleBlur: (event: Event, editor: CoreEditor, next: Function) => any;
lastExecutedValue property
Signature
lastExecutedValue: Value | null;
mounted property
Signature
mounted: boolean;
onChange property
Update local state, propagate change upstream and optionally run the query afterwards.
Signature
onChange: (value: Value, runQuery?: boolean | undefined) => void;
plugins property
Signature
plugins: Plugin[];
runOnChange property
Signature
runOnChange: () => void;
runOnChangeAndRunQuery property
Signature
runOnChangeAndRunQuery: () => void;
runOnChangeDebounced property
Signature
runOnChangeDebounced: Function;
runOnRunQuery property
Signature
runOnRunQuery: () => void;
componentDidMount method
Signature
componentDidMount(): void;
Returns:
void
componentDidUpdate method
Signature
componentDidUpdate(prevProps: QueryFieldProps, prevState: QueryFieldState): void;
Parameters
| Parameter | Type | Description |
|---|---|---|
| prevProps | QueryFieldProps |
|
| prevState | QueryFieldState |
Returns:
void
componentWillUnmount method
Signature
componentWillUnmount(): void;
Returns:
void
render method
Signature
render(): JSX.Element;
Returns:
JSX.Element
