@syncfusion/ej2-charts
Version:
Feature-rich chart control with built-in support for over 25 chart types, technical indictors, trendline, zooming, tooltip, selection, crosshair and trackball.
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TypeScript
import { Axis } from '../axis/axis';
import { Size } from '@syncfusion/ej2-svg-base';
import { Chart } from '../chart';
import { NiceInterval } from '../axis/axis-helper';
import { RangeNavigator } from '../../range-navigator/index';
/**
* The `DateTime` module is used to render the datetime axis in charts.
*
* @private
*/
export declare class DateTime extends NiceInterval {
min: number;
max: number;
startValue: number;
/**
* Constructor for the dateTime module.
*
* @private
* @param {Chart} chart - Specifies the chart.
*/
constructor(chart?: Chart);
/**
* The function to calculate the range and labels for the axis.
*
* @returns {void}
* @private
*/
calculateRangeAndInterval(size: Size, axis: Axis): void;
/**
* Actual Range for the axis.
*
* @private
* @param {Axis} axis - The axis for which the actual range is calculated.
* @param {Size} size - The size used for calculation.
* @returns {void}
*/
getActualRange(axis: Axis, size: Size): void;
/**
* Apply padding for the range.
*
* @private
* @param {Axis} axis - The axis for which padding is applied.
* @param {Size} size - The size used for padding calculation.
* @returns {void}
*/
applyRangePadding(axis: Axis, size: Size): void;
private getYear;
private getMonth;
private getDay;
private getHour;
/**
* Calculate visible range for axis.
*
* @private
* @param {Size} size - The size used for calculation.
* @param {Axis} axis - The axis for which the visible range is calculated.
* @returns {void}
*/
protected calculateVisibleRange(size: Size, axis: Axis): void;
/**
* Calculate visible labels for the axis.
*
* @param {Axis} axis axis
* @param {Chart | RangeNavigator} chart chart
* @returns {void}
* @private
*/
calculateVisibleLabels(axis: Axis, chart: Chart | RangeNavigator): void;
/**
* Increase the date-time interval.
*
* @param {Axis} axis - The axis for which the interval is increased.
* @param {number} value - The value of the interval.
* @param {number} interval - The interval to increase.
* @returns {Date} - The increased date-time interval.
* @private
*/
increaseDateTimeInterval(axis: Axis, value: number, interval: number): Date;
private alignRangeStart;
private getDecimalInterval;
/**
* Get module name.
*
* @returns {string} - Returns the module name.
*/
protected getModuleName(): string;
/**
* To destroy the category axis.
*
* @returns {void}
* @private
*/
destroy(): void;
}