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Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

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Enterprise Open source

Cascader class

Signature

typescript 
export declare class Cascader extends React.PureComponent<CascaderProps, CascaderState>

Import

typescript 
import { Cascader } from '@grafana/ui';

Constructors

ConstructorModifiersDescription
constructor(props)Constructs a new instance of the Cascader class

Properties

PropertyModifiersTypeDescription
defaultPropsstatic{
changeOnSelect: boolean;
}
flattenOptions(options: CascaderOption[], optionPath?: CascaderOption[]) => SelectableValue<string[]>[]
getSearchableOptionsimport("memoize-one").MemoizedFn<(options: CascaderOption[]) => SelectableValue<string[]>[]>
onBlur() => void
onBlurCascade() => void
onChange(value: string[], selectedOptions: CascaderOption[]) => void
onCreateOption(value: string) => void
onInputKeyDown(e: React.KeyboardEvent<HTMLInputElement>) => void
onSelect(obj: SelectableValue<string[]>) => void

Methods

MethodModifiersDescription
render()
setInitialValue(searchableOptions, initValue)

constructor(props)

Constructs a new instance of the Cascader class

Signature

typescript 
constructor(props: CascaderProps);

Parameters

ParameterTypeDescription
propsCascaderProps

defaultProps property

Signature

typescript 
static defaultProps: {
        changeOnSelect: boolean;
    };

flattenOptions property

Signature

typescript 
flattenOptions: (options: CascaderOption[], optionPath?: CascaderOption[]) => SelectableValue<string[]>[];

getSearchableOptions property

Signature

typescript 
getSearchableOptions: import("memoize-one").MemoizedFn<(options: CascaderOption[]) => SelectableValue<string[]>[]>;

onBlur property

Signature

typescript 
onBlur: () => void;

onBlurCascade property

Signature

typescript 
onBlurCascade: () => void;

onChange property

Signature

typescript 
onChange: (value: string[], selectedOptions: CascaderOption[]) => void;

onCreateOption property

Signature

typescript 
onCreateOption: (value: string) => void;

onInputKeyDown property

Signature

typescript 
onInputKeyDown: (e: React.KeyboardEvent<HTMLInputElement>) => void;

onSelect property

Signature

typescript 
onSelect: (obj: SelectableValue<string[]>) => void;

render method

Signature

typescript 
render(): JSX.Element;

Returns:

JSX.Element

setInitialValue method

Signature

typescript 
setInitialValue(searchableOptions: Array<SelectableValue<string[]>>, initValue?: string): {
        rcValue: string[];
        activeLabel: any;
    };

Parameters

ParameterTypeDescription
searchableOptionsArray<SelectableValue<string[]>>
initValuestring

Returns:

{ rcValue: string[]; activeLabel: any; }