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<?php
/**
 * webtrees: online genealogy
 * Copyright (C) 2018 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
namespace Fisharebest\Webtrees;

use Fisharebest\Webtrees\Functions\FunctionsEdit;

/**
 * Helper functions to generate markup for Datatables.
 *
 * @link https://www.datatables.net
 */
class Datatables {
	/**
	 * Generate the HTML attributes for I18N.
	 *
	 * @param int[] $lengths
	 *
	 * @return string[]
	 */
	public static function languageAttributes(array $lengths = [10, 25, 100, -1]) {
		$length_menu = FunctionsEdit::numericOptions($lengths);

		$language = [
			'paginate' => [
				'first'    => /* I18N: A button label, first page */ I18N::translate('first'),
				'last'     => /* I18N: A button label, last page */ I18N::translate('last'),
				'next'     => /* I18N: A button label, next page */ I18N::translate('next'),
				'previous' => /* I18N: A button label, previous page */ I18N::translate('previous'),
			],
			'emptyTable'     => I18N::translate('No records to display'),
			'info'           => /* I18N: %s are placeholders for numbers */ I18N::translate('Showing %1$s to %2$s of %3$s', '_START_', '_END_', '_TOTAL_'),
			'infoEmpty'      => I18N::translate('Showing %1$s to %2$s of %3$s', 0, 0, 0),
			'infoFiltered'   => /* I18N: %s is a number */ I18N::translate('(filtered from %s total entries)', '_MAX_'),
			'lengthMenu'     => /* I18N: %s is a number of records per page */ I18N::translate('Display %s', '_MENU_'),
			'loadingRecords' => I18N::translate('Loading…'),
			'processing'     => I18N::translate('Calculating…'),
			'search'         => I18N::translate('Filter'),
			'zeroRecords'    => I18N::translate('No records to display'),
		];

		return [
			'data-language'     => json_encode($language),
			'data-length-menu' => json_encode([array_keys($length_menu), array_values($length_menu)])
		];
	}

	/**
	 * Generate the HTML attributes for a table of events.
	 *
	 * @return string
	 */
	public static function eventTableAttributes() {
		return Html::attributes([
			'class' => 'table table-bordered table-sm datatables table-event',
			//'data-columns'   => '[{ type: "text" }, { type: "num" }, { type: "num" }, { type: "text" }]',
			'data-columns'    => '[null, null, null, null]',
			'data-info'       => 'false',
			'data-paging'     => 'false',
			'data-searching'  => 'false',
			'data-state-save' => 'true',
		] + self::languageAttributes());
	}

	/**
	 * Generate the HTML attributes for a table of given names.
	 *
	 * @return string
	 */
	public static function givenNameTableAttributes() {
		return Html::attributes([
			'class' => 'table table-bordered table-sm datatables table-given-name',
			//'data-columns'   => '[{ type: "text" }, { type: "num" }]',
			'data-columns'    => '[null, null]',
			'data-info'       => 'false',
			'data-paging'     => 'false',
			'data-searching'  => 'false',
			'data-state-save' => 'true',
			'data-order'      => '[[1, "desc"]]',
		]);
	}
}