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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2019 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/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
/**
* Generate markup and AJAX responses for SELECT2 queries.
*
* Note that the single space in the title attributes is necessary to prevent
* select2 from copying the (raw HTML) of the value into the title.
*
* @link https://stackoverflow.com/questions/35500508/how-to-disable-the-title-in-select2
*
* @link https://select2.github.io/
*/
class Select2 extends Html
{
// Send this many results with each request.
public const RESULTS_PER_PAGE = 20;
// Don't send queries with fewer than this many characters
private const MINIMUM_INPUT_LENGTH = '1';
// Don't send queries until this many milliseconds.
private const DELAY = '350';
/**
* Select2 configuration that is common to all searches.
*
* @return string[]
*/
private static function commonConfig(): array
{
return [
'autocomplete' => 'off',
'class' => 'form-control select2',
'data-ajax--delay' => self::DELAY,
'data-ajax--minimum-input-length' => self::MINIMUM_INPUT_LENGTH,
'data-ajax--type' => 'POST',
'data-allow-clear' => 'true',
'data-placeholder' => '',
];
}
/**
* Select2 configuration for a family lookup.
*
* @param Tree $tree
*
* @return string[]
*/
public static function familyConfig(Tree $tree): array
{
$url = route('select2-family', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
/**
* Select2 configuration for a flag icon lookup.
*
* @return string[]
*/
public static function flagConfig(): array
{
return self::commonConfig() + ['data-ajax--url' => route('select2-flag')];
}
/**
* Format a flag icon for display in a Select2 control.
*
* @param string $flag
*
* @return string
*/
public static function flagValue($flag): string
{
return '<img src="' . Webtrees::MODULES_PATH . 'googlemap/places/flags/' . $flag . '"> ' . $flag;
}
/**
* Look up a flag icon.
*
* @param int $page Skip this number of pages. Starts with zero.
* @param string $query Search terms.
*
* @return mixed[]
*/
public static function flagSearch(int $page, string $query): array
{
$offset = $page * self::RESULTS_PER_PAGE;
$more = false;
$results = [];
$directory = WT_ROOT . Webtrees::MODULES_PATH . 'googlemap/places/flags/';
$di = new RecursiveDirectoryIterator($directory);
$it = new RecursiveIteratorIterator($di);
$flag_files = [];
foreach ($it as $file) {
$file_path = substr($file->getPathname(), strlen($directory));
if ($file->getExtension() === 'png' && stripos($file_path, $query) !== false) {
if ($offset > 0) {
// Skip results
$offset--;
} elseif (count($flag_files) >= self::RESULTS_PER_PAGE) {
$more = true;
break;
} else {
$flag_files[] = $file_path;
}
}
}
foreach ($flag_files as $flag_file) {
$results[] = [
'id' => $flag_file,
'text' => self::flagValue($flag_file),
'title' => ' ',
];
}
return [
'results' => $results,
'pagination' => [
'more' => $more,
],
];
}
/**
* Select2 configuration for an individual lookup.
*
* @param Tree $tree
*
* @return string[]
*/
public static function individualConfig(Tree $tree): array
{
$url = route('select2-individual', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
/**
* Select2 configuration for a media object lookup.
*
* @param Tree $tree
*
* @return string[]
*/
public static function mediaObjectConfig(Tree $tree): array
{
$url = route('select2-media', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
/**
* Select2 configuration for a note.
*
* @param Tree $tree
*
* @return string[]
*/
public static function noteConfig(Tree $tree): array
{
$url = route('select2-note', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
/**
* Select2 configuration for a repository lookup.
*
* @param Tree $tree
*
* @return string[]
*/
public static function repositoryConfig(Tree $tree): array
{
$url = route('select2-repository', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
/**
* Select2 configuration for a source lookup.
*
* @param Tree $tree
*
* @return string[]
*/
public static function sourceConfig(Tree $tree): array
{
$url = route('select2-source', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
/**
* Select2 configuration for a submitter lookup.
*
* @param Tree $tree
*
* @return string[]
*/
public static function submitterConfig(Tree $tree): array
{
$url = route('select2-submitter', ['ged' => $tree->name()]);
return self::commonConfig() + ['data-ajax--url' => $url];
}
}
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