/**
 * @license
 * Copyright (C) Gnucoop soc. coop.
 *
 * This file is part of the Advanced JSON forms (ajf).
 *
 * Advanced JSON forms (ajf) is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * Advanced JSON forms (ajf) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Advanced JSON forms (ajf).
 * If not, see http://www.gnu.org/licenses/.
 *
 */
import { ChartData, ChartDataSets, ChartType } from 'chart.js';
import { AjfChartWidget } from '../widgets/chart-widget';
import { AjfDataWidgetInstance } from './data-widget-instance';
export interface AjfChartWidgetInstance extends AjfDataWidgetInstance {
    /**
     * The chart widget
     */
    widget: AjfChartWidget;
    /**
     * The chart dataset
     */
    datasets: ChartDataSets[];
    /**
     * The chart type
     */
    chartType: ChartType;
    /**
     * If true the widget is exportable in csv/xls
     */
    exportable: boolean;
    /**
     * When specified, this number of different single data entries will be displayed as separate
     * options/bars/slices in the chart. The rest will be displayed as an aggregate "other" option/bar/slice.
     */
    mainDataNumberThreshold?: number;
    /**
     * If true remove zero values from the chart dataset
     */
    removeZeroValues?: boolean;
    /**
     * Chart data
     */
    data: ChartData;
    /**
     * Chart Labels
     */
    labels: string[];
    canvasDataUrl?(): string;
}