@dnb/eufemia/components/date-picker/DatePickerCalendarNavigator.js

DNB Eufemia Design System UI Library

"use client";

import React, { useCallback, useContext } from 'react';
import { addMonths, addYears, isSameMonth, isSameYear, subMonths, subYears } from 'date-fns';
import Button from "../Button.js";
import { useTranslation } from "../../shared/index.js";
import DatePickerContext from "./DatePickerContext.js";
import { formatDate } from "../date-format/DateFormatUtils.js";
const titleFormats = {
  both: {
    month: 'long',
    year: 'numeric'
  },
  month: {
    month: 'long'
  },
  year: {
    year: 'numeric'
  }
};
const dateHandlers = {
  month: {
    prev: subMonths,
    next: addMonths
  },
  year: {
    prev: subYears,
    next: addYears
  }
};
export function DatePickerCalendarNav({
  type = 'both',
  id,
  nr,
  date,
  locale
}) {
  const {
    minDate,
    maxDate,
    views,
    setViews,
    props: {
      link: isLinkedCalendars
    }
  } = useContext(DatePickerContext);
  const {
    selectedMonth,
    selectedYear
  } = useTranslation().DatePicker;
  const title = type === 'year' ? selectedYear : selectedMonth;
  const titleFormat = titleFormats[type];
  const buttonDateType = type === 'year' ? 'year' : 'month';
  const onNav = useCallback(({
    nr,
    type: navigationType
  }) => {
    const handlerType = type === 'year' ? 'year' : 'month';
    const updatedViews = views.map(view => {
      if (view.nr === nr || isLinkedCalendars && view.nr === 1) {
        const month = dateHandlers[handlerType][navigationType](view.month, 1);
        return {
          ...view,
          month
        };
      }
      return view;
    });
    setViews(updatedViews);
  }, [type, views, setViews, isLinkedCalendars]);
  return React.createElement("div", {
    className: 'dnb-date-picker__header__row' + (type === 'year' ? " dnb-date-picker__header__row--year" : "")
  }, React.createElement("div", {
    className: "dnb-date-picker__header__nav"
  }, React.createElement(CalendarNavButton, {
    type: "prev",
    nr: nr,
    date: date,
    dateLimit: minDate,
    dateType: buttonDateType,
    dateFormat: titleFormat,
    locale: locale,
    onClick: onNav
  })), React.createElement("label", {
    id: `${id}--title`,
    className: "dnb-date-picker__header__title dnb-no-focus",
    title: title.replace(/%s/, formatDate(date, {
      locale,
      options: titleFormat
    })),
    tabIndex: -1
  }, formatDate(date, {
    locale,
    options: titleFormat
  })), React.createElement("div", {
    className: "dnb-date-picker__header__nav"
  }, React.createElement(CalendarNavButton, {
    type: "next",
    dateType: buttonDateType,
    nr: nr,
    date: date,
    dateLimit: maxDate,
    dateFormat: titleFormat,
    locale: locale,
    onClick: onNav
  })));
}
const navButtonDisabledHandlers = {
  month: isSameMonth,
  year: isSameYear
};
function CalendarNavButton({
  type,
  dateType,
  dateFormat,
  nr,
  date,
  dateLimit,
  locale,
  onClick,
  onKeyDown
}) {
  const translations = useTranslation().DatePicker;
  const translationKey = `${type}${capitalizeFirstLetter(dateType)}`;
  const dateHandler = dateHandlers[dateType][type];
  const title = translations[translationKey].replace(/%s/, formatDate(dateHandler(date, 1), {
    locale,
    options: dateFormat
  }));
  const disabled = dateLimit && navButtonDisabledHandlers[dateType](date, dateLimit);
  const icon = type === 'prev' ? 'chevron_left' : 'chevron_right';
  return React.createElement(Button, {
    className: `dnb-date-picker__${type}` + (disabled ? " disabled" : ""),
    icon: icon,
    size: "small",
    "aria-label": title,
    onClick: () => onClick && !disabled && onClick({
      nr,
      type
    }),
    onKeyDown: onKeyDown
  });
}
function capitalizeFirstLetter(value) {
  return `${value.charAt(0).toLocaleUpperCase()}${value.slice(1)}`;
}
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