import { Question } from "survey-core";
import { VisualizerBase } from "./visualizerBase";
import { IVisualizerPanelRenderedElement, PanelElement } from "./visualizationPanel";
/**
 * Defines configuration options for a dashboard item.
 *
 * Pass an array of `IDashboardItemOptions` objects to the [`items`](https://surveyjs.io/dashboard/documentation/api-reference/dashboard#items) array when initializing the Dashboard.
 *
 * [View Demo](https://surveyjs.io/dashboard/examples/customer-satisfaction-survey-analysis/ (linkStyle))
 * @since 3.0.0
 */
export interface IDashboardItemOptions {
    /**
     * A unique identifier for the item.
     * @since 3.0.0
     */
    name?: string;
    /**
     * The data field the item is bound to. If not specified, the [`name`](#name) value is used.
     * @since 3.0.0
     */
    dataField?: string;
    /**
     * The item type (visualization type).
     *
     * Supported values:
     *
     * - [`"bar"`](https://surveyjs.io/dashboard/documentation/chart-types#bar-chart)
     * - [`"vbar"`](https://surveyjs.io/dashboard/documentation/chart-types#bar-chart)
     * - [`"pie"`](https://surveyjs.io/dashboard/documentation/chart-types#pie-chart)
     * - [`"doughnut"`](https://surveyjs.io/dashboard/documentation/chart-types#doughnut-chart)
     * - [`"histogram"`](https://surveyjs.io/dashboard/documentation/chart-types#histogram)
     * - [`"vhistogram"`](https://surveyjs.io/dashboard/documentation/chart-types#histogram)
     * - [`"gauge"`](https://surveyjs.io/dashboard/documentation/chart-types#gauge-chart)
     * - [`"bullet"`](https://surveyjs.io/dashboard/documentation/chart-types#bullet-chart)
     * - [`"radar"`](https://surveyjs.io/dashboard/documentation/chart-types#radar-chart-spider-chart)
     * - [`"stackedbar"`](https://surveyjs.io/dashboard/documentation/chart-types#stacked-bar-chart)
     * - [`"wordcloud"`](https://surveyjs.io/dashboard/documentation/chart-types#word-cloud)
     * - [`"text"`](https://surveyjs.io/dashboard/documentation/chart-types#text-table)
     * - [`"choices"`](https://surveyjs.io/dashboard/documentation/chart-types#statistics-table)
     * - [`"nps"`](https://surveyjs.io/dashboard/documentation/chart-types#nps-visualizer)
     * - [`"responsecount"`](https://surveyjs.io/dashboard/documentation/chart-types#response-count)
     * - [`"pivot"`](https://surveyjs.io/dashboard/documentation/chart-types#pivot-chart)
     *
     * To prevent end users from changing the item type at runtime, set [`allowChangeType`](#allowChangeType) to `false`.
     * @since 3.0.0
     */
    type?: string;
    /**
     * A list of item types available for user selection.
     *
     * Refer to [`type`](#type) for supported values.
     * @since 3.0.0
     * @see allowChangeType
     */
    availableTypes?: string[];
    /**
     * The item title.
     * @since 3.0.0
     */
    title?: string;
    /**
     * Specifies whether users can change the item [`type`](#type).
     *
     * Default value: `true`
     * @since 3.0.0
     * @see availableTypes
     */
    allowChangeType?: boolean;
    /**
     * Specifies whether this item is visible.
     *
     * Default value: `true`
     * @since 3.0.0
     */
    visible?: boolean;
    /**
     * A configuration object with visualizer settings that control how this item's data is rendered.
     * @since 3.0.0
     */
    visualizer?: {
        [index: string]: any;
    };
}
/**
 * Visualizes an individual dashboard item.
 * @since 3.0.0
 */
export declare class DashboardItem extends PanelElement implements IDashboardItemOptions, IVisualizerPanelRenderedElement {
    readonly options: IDashboardItemOptions;
    question?: Question;
    private _visualizerType;
    private _availableTypes;
    private _availableTypesOverride?;
    private _initialAvailableTypes?;
    private _type;
    private _dataField;
    private static areTypesEqual;
    private captureVisualizerContext;
    private recreateVisualizer;
    constructor(options: IDashboardItemOptions, question?: Question);
    allowChangeType?: boolean;
    private isQuestionWithType;
    private getQuestionVisualizerType;
    private getQuestionVisualizerTypes;
    private setFallbackVisualizerType;
    private initializeFromQuestion;
    private initializeFromDescriptor;
    private findVisualizerAndChartType;
    /**
     * Returns the currently active visualizer.
     * @returns The currently active visualizer.
     * @since 3.0.0
     */
    get visualizer(): VisualizerBase | undefined;
    private applyChartTypeToActiveVisualizer;
    private synchronizeTypeWithAvailableTypes;
    private ensureSyntheticQuestion;
    private getConfiguredAvailableTypes;
    private initTitle;
    private initialize;
    private getDataField;
    protected getStateProperties(): string[];
    setState(elementState: any): void;
    getState(): any;
    private changeType;
    get visualizerType(): string;
    set visualizerType(value: string);
    visualizerTypes?: string[];
    chartType?: string;
    questionName?: string;
    /**
     * Gets or sets the list of item types available for user selection.
     *
     * Refer to [`IDashboardItemOptions.type`](https://surveyjs.io/dashboard/documentation/api-reference/idashboarditemoptions#type) for supported values.
     * @since 3.0.0
     */
    get availableTypes(): string[];
    set availableTypes(value: string[]);
    /**
     * Gets or sets the current dashboard item type.
     *
     * Refer to [`IDashboardItemOptions.type`](https://surveyjs.io/dashboard/documentation/api-reference/idashboarditemoptions#type) for supported values.
     * @since 3.0.0
     */
    get type(): string;
    set type(value: string);
    /**
     * Gets or sets the data field the item is bound to.
     * @since 3.0.0
     */
    get dataField(): string | undefined;
    set dataField(value: string | undefined);
    /**
     * Gets or sets the item title.
     * @since 3.0.0
     */
    get title(): string;
    set title(value: string);
    /**
     * Gets or sets item visibility.
     * @since 3.0.0
     */
    get visible(): boolean;
    set visible(value: boolean);
}