69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
/**
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* @copyright Copyright (c) 2019 Georg Ehrke
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*
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* @author Georg Ehrke <oc.list@georgehrke.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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import {
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NamedTimeZoneImpl,
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createPlugin,
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} from '@fullcalendar/core'
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import getTimezoneManager from '../services/timezoneDataProviderService'
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/**
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* Our own FullCalendar Timezone implementation based on the VTimezones we ship
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*/
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class VTimezoneNamedTimezone extends NamedTimeZoneImpl {
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/**
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* gets UTC offset for given date of this timezone
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*
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* @param {Number[]} date an array that mirrors the parameters from new Date()
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* @returns {Number} offset in minutes
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*/
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offsetForArray([year, month, day, hour, minute, second]) {
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const timezone = getTimezoneManager().getTimezoneForId(this.timeZoneName)
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// calendar-js works with natural month numbers,
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// not the javascript 0-based ones
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month += 1
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return timezone.offsetForArray(year, month, day, hour, minute, second) / 60
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}
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/**
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* returns parameters for Date object in this timezone based on given timestamp
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*
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* @param {Number} ms Timestamp in milliseconds
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* @returns {Number[]}
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*/
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timestampToArray(ms) {
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const timezone = getTimezoneManager().getTimezoneForId(this.timeZoneName)
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const timestampArray = timezone.timestampToArray(ms)
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// calendar-js works with natural month numbers,
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// not the javascript 0-based ones
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timestampArray[1]--
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return timestampArray
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}
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}
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export default createPlugin({
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namedTimeZonedImpl: VTimezoneNamedTimezone,
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})
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