4 * Description: Use OpenStreetMap for displaying locations. After activation the post location just beneath your avatar in your posts will link to OpenStreetMap.
6 * Author: Fabio <http://kirgroup.com/~fabrixxm>
7 * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
8 * Author: Klaus Weidenbach
11 use Friendica\Core\Addon;
12 use Friendica\Core\Cache;
13 use Friendica\Core\Config;
14 use Friendica\Core\L10n;
15 use Friendica\Util\Network;
17 function openstreetmap_install()
19 Addon::registerHook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
20 Addon::registerHook('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map');
21 Addon::registerHook('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map');
22 Addon::registerHook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
24 logger("installed openstreetmap");
27 function openstreetmap_uninstall()
29 Addon::unregisterHook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
30 Addon::unregisterHook('generate_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_map');
31 Addon::unregisterHook('generate_named_map', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_generate_named_map');
32 Addon::unregisterHook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
34 logger("removed openstreetmap");
37 function openstreetmap_alterheader($a, &$navHtml)
39 $addScriptTag = '<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/openstreetmap/openstreetmap.js"></script>' . "\r\n";
40 $a->page['htmlhead'] .= $addScriptTag;
44 * @brief Add link to a map for an item's set location/coordinates.
46 * If an item has coordinates add link to a tile map server, e.g. openstreetmap.org.
47 * If an item has a location open it with the help of OSM's Nominatim reverse geocode search.
52 function openstreetmap_location($a, &$item) {
54 if(! (strlen($item['location']) || strlen($item['coord']))) {
59 * Get the configuration variables from the config.
60 * @todo Separate the tile map server from the text-string to map tile server
61 * since they apparently use different URL conventions.
62 * We use OSM's current convention of "#map=zoom/lat/lon" and optional
63 * ?mlat=lat&mlon=lon for markers.
66 $tmsserver = Config::get('openstreetmap', 'tmsserver');
68 $tmsserver = 'http://www.openstreetmap.org';
71 $nomserver = Config::get('openstreetmap', 'nomserver');
73 $nomserver = 'http://nominatim.openstreetmap.org/search.php';
76 $zoom = Config::get('openstreetmap', 'zoom');
81 $marker = Config::get('openstreetmap', 'marker');
86 if ($item['coord'] != "") {
87 $coords = explode(' ', $item['coord']);
88 if(count($coords) > 1) {
89 $lat = urlencode(round($coords[0], 5));
90 $lon = urlencode(round($coords[1], 5));
93 $target .= '?mlat='.$lat.'&mlon='.$lon;
94 $target .= '#map='.intval($zoom).'/'.$lat.'/'.$lon;
99 $target = $nomserver.'?q='.urlencode($item['location']);
102 if ($item['location'] != "") {
103 $title = $item['location'];
105 $title = $item['coord'];
108 $item['html'] = '<a target="map" title="'.$title.'" href= "'.$target.'">'.$title.'</a>';
112 function openstreetmap_generate_named_map(&$a, &$b)
114 $nomserver = Config::get('openstreetmap', 'nomserver');
116 $nomserver = 'http://nominatim.openstreetmap.org/search.php';
117 $args = '?q=' . urlencode($b['location']) . '&format=json';
119 $x = Network::curl($nomserver . $args);
121 $j = json_decode($x['body'],true);
123 if($j && is_array($j) && $j[0]['lat'] && $j[0]['lon']) {
124 $arr = ['lat' => $j[0]['lat'],'lon' => $j[0]['lon'],'location' => $b['location'], 'html' => ''];
125 openstreetmap_generate_map($a,$arr);
126 $b['html'] = $arr['html'];
131 function openstreetmap_generate_map(&$a, &$b)
133 $tmsserver = Config::get('openstreetmap', 'tmsserver');
135 $tmsserver = 'http://www.openstreetmap.org';
137 if(strpos(z_root(),'https:') !== false) {
138 $tmsserver = str_replace('http:','https:',$tmsserver);
142 $zoom = Config::get('openstreetmap', 'zoom');
147 $marker = Config::get('openstreetmap', 'marker');
152 $lat = $b['lat']; // round($b['lat'], 5);
153 $lon = $b['lon']; // round($b['lon'], 5);
155 logger('lat: ' . $lat, LOGGER_DATA);
156 logger('lon: ' . $lon, LOGGER_DATA);
159 $b['html'] = '<iframe style="width:100%; height:300px; border:1px solid #ccc" src="' . $tmsserver . '/export/embed.html?bbox=' . ($lon - 0.01) . '%2C' . ($lat - 0.01) . '%2C' . ($lon + 0.01) . '%2C' . ($lat + 0.01) ;
161 $b['html'] .= '&layer=mapnik&marker=' . $lat . '%2C' . $lon . '" style="border: 1px solid black"></iframe><br/><small><a href="' . $tmsserver . '/?mlat=' . $lat . '&mlon=' . $lon . '#map=16/' . $lat . '/' . $lon . '">' . (($b['location']) ? escape_tags($b['location']) : L10n::t('View Larger')) . '</a></small>';
163 logger('generate_map: ' . $b['html'], LOGGER_DATA);
166 function openstreetmap_addon_admin(&$a, &$o)
168 $t = get_markup_template("admin.tpl", "addon/openstreetmap/");
169 $tmsserver = Config::get('openstreetmap', 'tmsserver');
171 $tmsserver = 'http://www.openstreetmap.org';
173 $nomserver = Config::get('openstreetmap', 'nomserver');
175 $nomserver = 'http://nominatim.openstreetmap.org/search.php';
177 $zoom = Config::get('openstreetmap', 'zoom');
181 $marker = Config::get('openstreetmap', 'marker');
186 $o = replace_macros($t, [
187 '$submit' => L10n::t('Submit'),
188 '$tmsserver' => ['tmsserver', L10n::t('Tile Server URL'), $tmsserver, L10n::t('A list of <a href="http://wiki.openstreetmap.org/wiki/TMS" target="_blank">public tile servers</a>')],
189 '$nomserver' => ['nomserver', L10n::t('Nominatim (reverse geocoding) Server URL'), $nomserver, L10n::t('A list of <a href="http://wiki.openstreetmap.org/wiki/Nominatim" target="_blank">Nominatim servers</a>')],
190 '$zoom' => ['zoom', L10n::t('Default zoom'), $zoom, L10n::t('The default zoom level. (1:world, 18:highest, also depends on tile server)')],
191 '$marker' => ['marker', L10n::t('Include marker on map'), $marker, L10n::t('Include a marker on the map.')],
195 function openstreetmap_addon_admin_post(&$a)
197 $urltms = ((x($_POST, 'tmsserver')) ? notags(trim($_POST['tmsserver'])) : '');
198 $urlnom = ((x($_POST, 'nomserver')) ? notags(trim($_POST['nomserver'])) : '');
199 $zoom = ((x($_POST, 'zoom')) ? intval(trim($_POST['zoom'])) : '16');
200 $marker = ((x($_POST, 'marker')) ? intval(trim($_POST['marker'])) : '0');
201 Config::set('openstreetmap', 'tmsserver', $urltms);
202 Config::set('openstreetmap', 'nomserver', $urlnom);
203 Config::set('openstreetmap', 'zoom', $zoom);
204 Config::set('openstreetmap', 'marker', $marker);
205 info(L10n::t('Settings updated.') . EOL);