import { Component } from 'react';
import * as viewerNs from '@mescius/activereportsjs/reportviewer';
import { DocumentLoadEventArgs, ReportLoadEventArgs, LoadResult, SearchResult, SearchStatus, SearchOptions, CancellationToken, ExportResult, FontDescriptor } from '@mescius/activereportsjs/reportviewer';
import { Rdl, rdlxParams } from '@mescius/activereportsjs/core';
export type { DocumentLoadEventArgs, ReportLoadEventArgs, LoadResult, SearchResult, SearchStatus };
type ParameterVariant = rdlxParams.ParameterVariant;
export type { ParameterVariant };
export type { ExportResult, FontDescriptor };
export type { SearchOptions, CancellationToken };
/** Settings for component initialization */
export type OpenReportInfo = {
    /** Report URI to be loaded into viewer. */
    Uri?: string;
    /** Report parameters */
    Params?: {
        [name: string]: rdlxParams.ParameterVariant[];
    };
};
export type Props = {
    /**
     * Set exports which should be displayed in export panel when export plugins attached to viewer.
     *
     * ```javascript
     * viewer.availableExports = [''] //disable all loaded export modules
     * viewer.availableExports = ['pdf'] //filters out any export formats other than PDF
     * viewer.availableExports = [] //enable all loaded export modules
     * ```
     */
    availableExports?: string[];
    /**
     * Gets or sets mouse mode in viewer. Available values are: **Pan | Selection**.
     *
     * ```javascript
     * viewer.mouseMode = "pan";
     * ```
     */
    mouseMode?: viewerNs.ViewerMouseMode;
    /**
     * Gets or sets viewer render mode. Available values are: **Galley** | **Paginated**
     *
     * ```javascript
     * <Viewer renderMode = 'Galley'.../>
     * ```
     */
    renderMode?: viewerNs.ViewerRenderMode;
    /**
     * Gets or sets viewer viewMode.
     *
     * ```javascript
     * <Viewer viewMode = 'continuous'... />
     * ```
     */
    viewMode?: viewerNs.ViewerViewMode | viewerNs.ViewMode;
    /**
     * Gets or sets current zoom value. Zoom value could be specified as factor. Valid values:
     * - **from 0 up to 3** where 0.5 indicate 50% and 3 = 300%;
     * - const values **'FitToWidth' | 'FitPage'** (case insensitive)
     *
     * ```javascript
     * var currentZoom = viewer.zoom; //by default 1 (100%)
     * //now set mode to Fit to Width
     * viewer.zoom = 'FitToWidth';
     * //now verify value
     * var newValue = viewer.zoom;
     * //newValue will be equal to FitToWidth
     * ```
     */
    zoom?: viewerNs.ViewerZoomMode;
    /** Change viewer mode to fullscreen.  */
    fullscreen?: boolean;
    /** Toggle toolbar visibility (hide or show it). */
    toolbarVisible?: boolean;
    /** Toggle sidebar panel(hide or show it). In case if no parameter passed works as toggle. */
    sidebarVisible?: boolean;
    /** Layout of panels bar. Cannot be changed on the fly. */
    panelsLayout?: viewerNs.PanelsLocation;
    /** Parameters panel location. */
    parameterPanelLocation?: viewerNs.ParameterPanelLocation;
    /** Configures report animations */
    animations?: viewerNs.ViewerOptions['animations'];
    /** Parameters panel behaviour. */
    showParametersOnOpen?: viewerNs.ShowParametersOnOpen;
    /** Enables report data memoization if set to "true".  */
    memoizeData?: boolean;
    /** Initial toolbar layout. Cannot be changed on the fly. */
    toolbarLayout?: viewerNs.ToolbarLayout;
    /** UI Language. Import localization package first. Cannot be changed on the fly. */
    language?: string;
    /** UI theme */
    theme?: viewerNs.UITheme;
    /** Initial UI themes settings */
    themeConfig?: viewerNs.UIThemeConfig;
    /** Export settings.  Cannot be changed on the fly. */
    exportsSettings?: Record<string, viewerNs.ExportSettings>;
    /** Sets the report to open on component load.
     *
     * ```javascript
     * <Viewer report={{ Uri: "data-handlers/products" }} />
     * ```
     */
    report?: OpenReportInfo;
    /**
     * Sets the handler for documentLoaded event which occurs once document is fully rendered in viewer. Also works on refresh.
     */
    documentLoaded?: (args: DocumentLoadEventArgs) => void;
    /**
     * Sets the handler for reportLoaded event which occurs once report is loaded in viewer. Doesn't account for drill through reports.
     */
    reportLoaded?: (args: ReportLoadEventArgs) => void;
    /**
     *  Sets error handler for viewer. Allow user to override existing and not to show error pane if user wants to customize error output.
     *
     * ```javascript
     * type ErrorMessage = {
     *     severity: "error" | "warn" | "info" | "debug";
     *     message: string,
     *     details: string);
     *
     * function handler(error: ErrorMessage){
     *     console.log(error.message);
     *     return true; // return true if you don't want to show this error in viewer's error pane
     * }
     *
     *
     * <Viewer errorHandler={handler}...
     * ```
     */
    errorHandler?: viewerNs.Viewer['errorHandler'];
};
export type IReport = Rdl.Report | string;
export declare class Viewer extends Component<Props, {}> {
    private _host;
    private _viewer;
    private _isViewerReady;
    componentDidMount(): Promise<void>;
    private areDeepEqual;
    componentDidUpdate(prevProps: Props): void;
    componentWillUnmount(): void;
    private applyProps;
    private ensureViewerInitialized;
    /**
     * Resets current viewer document
     */
    /**
     * Opens report from file or as definition (json string)).
     *
     * ```javascript
     * var viewer = new ActiveReports.Viewer(#viewerPlace);
     * viewer.open('report.json');
     * ```
     *
     * @param report  The report template. Can be report URI, or report definition, or instance of PageReport class.
     * @param settings  Additional settings for report (name, parameters).
     */
    open(report: IReport, settings?: Partial<viewerNs.ReportSettings>): Promise<LoadResult>;
    /**
     * Exports currently displayed report to specified output format. Returns object which contains result data as blob object | string and download function. So you could either use this blob object or download file immediately. Please note that you can specify settings in PDF export as plain list (like **{title: 'Title', author: 'Author Name', ownerPassword: '1'}** etc...
     *
     * ```javascript
     * var options = {filename:"Invoice List"};
     * var cancelCallback = function(){
     *     return false; // continue export. Return true to cancel export process
     * }
     * viewer.export('pdf', options, {cancel: cancelCallback }).then(result => doSmthWithBlob(result.data));
     * //or you can download file
     * viewer.export('pdf', options, {cancel: cancelCallback }).then(result => result.download('Invoice List'));
     * ```
     *
     * @param format  Export format identifier. One of 'pdf', 'xlsx', 'html', 'tabular-data'.
     * @param settings  Format specific export settings.
     * @param params  Additional export customization.
     */
    export(format: string, settings: Record<string, string | boolean | number>, params?: {
        cancel?: () => boolean;
    }): Promise<ExportResult>;
    /**
     * Prints currently displayed report.
     *
     * ```javascript
     * viewer.print();
     * ```
     */
    print(): void;
    /** Gets the viewer component instance. */
    get Viewer(): viewerNs.Viewer;
    /**
     * Gets current page number (1-based). Returns 0 if no document loaded.
     *
     * ```javascript
     * var pageNumber = viewer.currentPage;
     * ```
     * */
    get currentPage(): number;
    /**
     * Gets the total number of pages available in report.
     *
     * ```javascript
     * var totalPages = viewer.pageCount;
     * ```
     * */
    get pageCount(): number;
    /** Provides access to the "history" API. */
    get history(): viewerNs.HistoryApi | null;
    /** Gets the toolbar API */
    get toolbar(): viewerNs.Toolbar | null;
    /**
     * Navigates to the first page.
     *
     * ```javascript
     * viewer.goToFirstPage();
     * ```
     * */
    goToFirstPage(): void;
    /**
     * Navigates to the previous page.
     *
     * ```javascript
     * viewer.goToPrevPage();
     * ```
     * */
    goToPrevPage(): void;
    /**
     * Navigates to the next page.
     *
     * ```javascript
     * viewer.goToNextPage();
     * ```
     * */
    goToNextPage(): void;
    /**
     * Navigates to the last page.
     *
     * ```javascript
     * viewer.goToLastPage();
     * ```
     * */
    goToLastPage(): void;
    /**
     * Navigates to the specified page (starting from 1).
     *
     * ```javascript
     * viewer.goToPage(3); //will navigate to 3d page
     * ```
     * */
    goToPage(pageNumber: number): void;
    /**
     * Performs backToParent action which will return user to parent report.
     *
     * ```javascript
     * viewer.backToParent();
     * ```
     */
    backToParent(): void;
    /**
     * Performs refresh operation in report (re-render report).
     *
     * ```javascript
     * viewer.refresh();
     * ```
     *  */
    refresh(): void;
    /** Gets **true** if backToParent command is applicable to current document. */
    canBackToParent(): boolean;
    /**
     * Performs search operation in currently rendered report. Allows you to create your own custom search pane.
     */
    search(options: SearchOptions, resultFn: (result: SearchResult) => void, progressFn?: (progress: {
        pageIndex: number;
        pageCount: number | null;
    }) => void, cancel?: CancellationToken): Promise<SearchStatus>;
    /**
     * Highlights the search result returned by a search method.
     */
    highlight(result: SearchResult | null): Promise<void>;
    render(): JSX.Element;
}