/** Angular */
import * as ng from "@angular/core";
/** Core */
import { CoreComponent } from "cmf.core/src/core";
import { ChartSeriesColor, CHART_SERIES_DEFAULT_COLORS } from "../dataSeriesChart/dataSeriesChart";
/** Kendo */
import "kendo.dataviz.chart";
export { ChartSeriesColor as DonutChartSeriesColor };
export { CHART_SERIES_DEFAULT_COLORS as SYSTEM_DEFAULT_COLORS };
/**
* @whatItDoes
* This component is used to represent a Donut Chart
*
* @howToUse
* This component is used with the inputs and outputs mentioned below
*
* ### Inputs
* * `DonutChartCategory[]` : **data** - Data for Donut Chart;
* * `string` : **tooltipUnits** - Units to display in tooltip;
* * `string` : **valueField** - The value field;
* * `string` : **colorField** - The color field;
* * `string` : **categoryField** - The category field;
* * `boolean` : **autoGeneratedColors** - If colors are auto-generated;
* * `boolean` : **animated** - The chart is animated;
* * `string` : **mainTitle** - The chart main title;
* * `string` : **subTitle** - The chart sub title;
* * `boolean` : **showCaption** - If the chart show a caption or not;
*
* ### Outputs
* _This component has no outputs
*
* ## Example
*
* ```html
* <cmf-core-controls-donutChart [data]="_data" tooltipUnits="Kg">
* <cmf-core-controls-donutChart>
* ```
* ## DonutChart Component
*
* ### Dependencies
*
* #### Components
* * BaseWidgetSubtitleModule: `cmf.core.controls`
*
* #### Services
* _This component does not depend on any Service_
*
* #### Directives
* * ElementQueryModule: `cmf.core.controls`
*
*/
export declare class DonutChart extends CoreComponent implements ng.OnChanges, ng.AfterViewInit, ng.OnDestroy {
    private elementRef;
    /**
     * Element Query
     */
    private _elementQuery;
    /**
     * Main container
     */
    private _mainContainer;
    /**
     * Width class
     */
    private _widthClass;
    /**
     * Kendo UI chart
     */
    private _kendoChart;
    /**
     * Chart "redraw" callback throttled
     */
    private _chartRedrawThrottled;
    /**
     * Main Title
     */
    mainTitle: string;
    /**
     * Sub Title
     */
    subTitle: string;
    /**
     * Categories
     */
    data: any[];
    /**
     * Tooltip units
     */
    tooltipUnits: string;
    /**
     * Category field
     */
    categoryField: string;
    /**
     * Value field
     */
    valueField: string;
    /**
     * Color field
     */
    colorField: string;
    /**
     * Auto generated colors
     */
    autoGeneratedColors: boolean;
    /**
     * IS animated
     */
    animated: boolean;
    /**
     * Show caption
     */
    showCaption: boolean;
    /**
    * Constructor
    */
    constructor(elementRef: ng.ElementRef);
    /**
     * Calculate step for the chart legend
     *
     * @private
     * @param {number} valuesRange
     * @param {number} maxLegends
     * @returns {number}
     * @memberof DonutChart
     */
    private calculateLegendStep;
    /**
     * Check if legend should be visible based on datasize
     *
     * @private
     * @param {number} dataSize
     * @param {number} legendIndex
     * @returns {boolean}
     * @memberof DonutChart
     */
    private isLegendVisible;
    /**
     * Check if step should be calculated based on the legend limit
     *
     * @private
     * @param {number} valuesRange
     * @param {number} limit
     * @returns {boolean}
     * @memberof DonutChart
     */
    private isOverLegendLimit;
    /**
     * On data updated
     */
    private onDataUpdated;
    /**
    * On Changes
    * @param changes Changes
    */
    ngOnChanges(changes: ng.SimpleChanges): void;
    /**
    * After View Init
    */
    ngAfterViewInit(): void;
    /**
    * On Destroy
    */
    ngOnDestroy(): void;
}
export declare class DonutChartModule {
}