226 lines
8.0 KiB
PHP
226 lines
8.0 KiB
PHP
<?php
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/**
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* Name: OpenStreetMap
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* Description: Use OpenStreetMap for displaying locations. After activation the post location just beneath your avatar in your posts will link to OpenStreetMap.
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* Version: 1.3.1
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* Author: Fabio <http://kirgroup.com/~fabrixxm>
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* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
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* Author: Klaus Weidenbach
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*
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*/
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use Friendica\Core\Addon;
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use Friendica\Core\Cache;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Core\System;
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use Friendica\Util\Network;
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const OSM_TMS = 'https://www.openstreetmap.org';
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const OSM_NOM = 'https://nominatim.openstreetmap.org/search.php';
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const OSM_ZOOM = 16;
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const OSM_MARKER = 0;
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function openstreetmap_install()
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{
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Addon::registerHook('load_config', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_load_config');
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Addon::registerHook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
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Addon::registerHook('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map');
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Addon::registerHook('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map');
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Addon::registerHook('Map::getCoordinates', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_get_coordinates');
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Addon::registerHook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
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logger("installed openstreetmap");
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}
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function openstreetmap_uninstall()
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{
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Addon::unregisterHook('load_config', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_load_config');
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Addon::unregisterHook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
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Addon::unregisterHook('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map');
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Addon::unregisterHook('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map');
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Addon::unregisterHook('Map::getCoordinates', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_get_coordinates');
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Addon::unregisterHook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
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logger("removed openstreetmap");
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}
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function openstreetmap_load_config(\Friendica\App $a)
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{
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$a->loadConfigFile(__DIR__. '/config/openstreetmap.ini.php');
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}
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function openstreetmap_alterheader($a, &$navHtml)
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{
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$addScriptTag = '<script type="text/javascript" src="' . $a->getBaseURL() . '/addon/openstreetmap/openstreetmap.js"></script>' . "\r\n";
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$a->page['htmlhead'] .= $addScriptTag;
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}
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/**
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* @brief Add link to a map for an item's set location/coordinates.
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*
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* If an item has coordinates add link to a tile map server, e.g. openstreetmap.org.
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* If an item has a location open it with the help of OSM's Nominatim reverse geocode search.
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*
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* @param mixed $a
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* @param array& $item
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*/
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function openstreetmap_location($a, &$item)
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{
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if (!(strlen($item['location']) || strlen($item['coord']))) {
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return;
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}
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/*
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* Get the configuration variables from the config.
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* @todo Separate the tile map server from the text-string to map tile server
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* since they apparently use different URL conventions.
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* We use OSM's current convention of "#map=zoom/lat/lon" and optional
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* ?mlat=lat&mlon=lon for markers.
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*/
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$tmsserver = Config::get('openstreetmap', 'tmsserver', OSM_TMS);
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$nomserver = Config::get('openstreetmap', 'nomserver', OSM_NOM);
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$zoom = Config::get('openstreetmap', 'zoom', OSM_ZOOM);
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$marker = Config::get('openstreetmap', 'marker', OSM_MARKER);
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// This is needed since we stored an empty string in the config in previous versions
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if (empty($nomserver)) {
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$nomserver = OSM_NOM;
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}
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if ($item['coord'] != "") {
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$coords = explode(' ', $item['coord']);
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if (count($coords) > 1) {
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$lat = urlencode(round($coords[0], 5));
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$lon = urlencode(round($coords[1], 5));
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$target = $tmsserver;
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if ($marker > 0) {
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$target .= '?mlat=' . $lat . '&mlon=' . $lon;
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}
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$target .= '#map='.intval($zoom).'/'.$lat.'/'.$lon;
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}
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}
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if (empty($target)) {
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$target = $nomserver.'?q='.urlencode($item['location']);
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}
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if ($item['location'] != "") {
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$title = $item['location'];
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} else {
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$title = $item['coord'];
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}
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$item['html'] = '<a target="map" title="'.$title.'" href= "'.$target.'">'.$title.'</a>';
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}
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function openstreetmap_get_coordinates($a, &$b)
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{
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$nomserver = Config::get('openstreetmap', 'nomserver', OSM_NOM);
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// This is needed since we stored an empty string in the config in previous versions
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if (empty($nomserver)) {
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$nomserver = OSM_NOM;
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}
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$args = '?q=' . urlencode($b['location']) . '&format=json';
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$cachekey = "openstreetmap:" . $b['location'];
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$j = Cache::get($cachekey);
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if (is_null($j)) {
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$curlResult = Network::curl($nomserver . $args);
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if ($curlResult->isSuccess()) {
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$j = json_decode($curlResult->getBody(), true);
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Cache::set($cachekey, $j, Cache::MONTH);
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}
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}
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if (!empty($j[0]['lat']) && !empty($j[0]['lon'])) {
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$b['lat'] = $j[0]['lat'];
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$b['lon'] = $j[0]['lon'];
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}
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}
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function openstreetmap_generate_named_map(&$a, &$b)
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{
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openstreetmap_get_coordinates($a, $b);
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if (!empty($b['lat']) && !empty($b['lon'])) {
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openstreetmap_generate_map($a, $b);
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}
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}
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function openstreetmap_generate_map(&$a, &$b)
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{
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$tmsserver = Config::get('openstreetmap', 'tmsserver', OSM_TMS);
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if (strpos(z_root(), 'https:') !== false) {
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$tmsserver = str_replace('http:','https:',$tmsserver);
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}
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$zoom = Config::get('openstreetmap', 'zoom', OSM_ZOOM);
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$marker = Config::get('openstreetmap', 'marker', OSM_MARKER);
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$lat = $b['lat']; // round($b['lat'], 5);
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$lon = $b['lon']; // round($b['lon'], 5);
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logger('lat: ' . $lat, LOGGER_DATA);
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logger('lon: ' . $lon, LOGGER_DATA);
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$cardlink = '<a href="' . $tmsserver;
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if ($marker > 0) {
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$cardlink .= '?mlat=' . $lat . '&mlon=' . $lon;
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}
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$cardlink .= '#map=' . $zoom . '/' . $lat . '/' . $lon . '">' . ($b['location'] ? escape_tags($b['location']) : L10n::t('View Larger')) . '</a>';
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if (empty($b['mode'])) {
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$b['html'] = '<iframe style="width:100%; height:300px; border:1px solid #ccc" src="' . $tmsserver .
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'/export/embed.html?bbox=' . ($lon - 0.01) . '%2C' . ($lat - 0.01) . '%2C' . ($lon + 0.01) . '%2C' . ($lat + 0.01) .
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'&layer=mapnik&marker=' . $lat . '%2C' . $lon . '" style="border: 1px solid black"></iframe>' .
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'<br/><small>' . $cardlink . '</small>';
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} else {
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$b['html'] .= '<br/>' . $cardlink;
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}
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logger('generate_map: ' . $b['html'], LOGGER_DATA);
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}
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function openstreetmap_addon_admin(&$a, &$o)
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{
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$t = get_markup_template("admin.tpl", "addon/openstreetmap/");
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$tmsserver = Config::get('openstreetmap', 'tmsserver', OSM_TMS);
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$nomserver = Config::get('openstreetmap', 'nomserver', OSM_NOM);
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$zoom = Config::get('openstreetmap', 'zoom', OSM_ZOOM);
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$marker = Config::get('openstreetmap', 'marker', OSM_MARKER);
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// This is needed since we stored an empty string in the config in previous versions
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if (empty($nomserver)) {
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$nomserver = OSM_NOM;
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}
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$o = replace_macros($t, [
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'$submit' => L10n::t('Submit'),
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'$tmsserver' => ['tmsserver', L10n::t('Tile Server URL'), $tmsserver, L10n::t('A list of <a href="http://wiki.openstreetmap.org/wiki/TMS" target="_blank">public tile servers</a>')],
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'$nomserver' => ['nomserver', L10n::t('Nominatim (reverse geocoding) Server URL'), $nomserver, L10n::t('A list of <a href="http://wiki.openstreetmap.org/wiki/Nominatim" target="_blank">Nominatim servers</a>')],
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'$zoom' => ['zoom', L10n::t('Default zoom'), $zoom, L10n::t('The default zoom level. (1:world, 18:highest, also depends on tile server)')],
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'$marker' => ['marker', L10n::t('Include marker on map'), $marker, L10n::t('Include a marker on the map.')],
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]);
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}
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function openstreetmap_addon_admin_post(&$a)
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{
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$urltms = defaults($_POST, 'tmsserver', OSM_TMS);
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$urlnom = defaults($_POST, 'nomserver', OSM_NOM);
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$zoom = defaults($_POST, 'zoom', OSM_ZOOM);
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$marker = defaults($_POST, 'marker', OSM_MARKER);
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Config::set('openstreetmap', 'tmsserver', $urltms);
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Config::set('openstreetmap', 'nomserver', $urlnom);
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Config::set('openstreetmap', 'zoom', $zoom);
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Config::set('openstreetmap', 'marker', $marker);
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info(L10n::t('Settings updated.') . EOL);
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}
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