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friendica-addons/openstreetmap/openstreetmap.php

106 lines
3.5 KiB

11 years ago
<?php
/**
* Name: OpenStreetMap
* Description: Use OpenStreetMap for displaying locations. After activation the post location just beneath your avatar in your posts will link to openstreetmap.
* Version: 1.1
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* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
* Author: Klaus Weidenbach
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*
*/
function openstreetmap_install() {
register_hook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
register_hook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
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logger("installed openstreetmap");
}
function openstreetmap_uninstall() {
unregister_hook('render_location', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_location');
unregister_hook('page_header', 'addon/openstreetmap/openstreetmap.php', 'openstreetmap_alterheader');
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logger("removed openstreetmap");
}
function openstreetmap_alterheader($a, &$navHtml) {
$addScriptTag='<script type="text/javascript" src="' . $a->get_baseurl() . '/addon/openstreetmap/openstreetmap.js' . '"></script>' . "\r\n";
$a->page['htmlhead'] .= $addScriptTag;
}
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function openstreetmap_location($a, &$item) {
//
if(! (strlen($item['location']) || strlen($item['coord'])))
return;
/*
* Get the configuration variables from the .htconfig file.
*/
$tmsserver = get_config('openstreetmap','tmsserver');
if(! $tmsserver)
$tmsserver = 'http://openstreetmap.org';
$zoom = get_config('openstreetmap','zoom');
if(! $zoom)
$zoom = 17;
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$location = '';
$coord = '';
if($item['location'] && !$item['coord'] && true){ //if only a location is given, find the lat-lon
$geo_account='demo';
$s = fetch_url('http://api.geonames.org/search?maxRows=1&fuzzy=0.8&q=' . $item['location'] . '&username=' . $geo_account);
if($s){
$xml = parse_xml_string($s);
if($xml->geoname->lat && $xml->geoname->lng){
$item['coord'] = $xml->geoname->lat.' '.$xml->geoname->lng;
}
}
}
$location = (($item['location']) ? '<a target="map" title="'.$item['location'].'" href="'.$tmsserver.'?q='.urlencode($item['location']).'">'.$item['location'].'</a>' : '');
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if($item['coord']) {
$coords = explode(' ', $item['coord']);
if(count($coords) > 1) {
$coord = '<a target="map" class="OSMMapLink" title="'.$item['coord'].'" href="'.$tmsserver.'?lat='.urlencode($coords[0]).'&lon=' . urlencode($coords[1]).'&zoom='.$zoom.'">'.t("Map").'</a>' ;
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}
}
if(strlen($coord)) {
if($location)
$location .= ' <span class="smalltext">('.$coord.')</span>';
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else
$location = '<span class="smalltext">'.$coord.'</span>';
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}
$item['html'] = $location;
return;
}
function openstreetmap_plugin_admin (&$a, &$o) {
$t = get_markup_template( "admin.tpl", "addon/openstreetmap/" );
$tmsserver = get_config('openstreetmap','tmsserver');
if(! $tmsserver)
$tmsserver = 'http://openstreetmap.org';
$zoom = get_config('openstreetmap','zoom');
if(! $zoom)
$zoom = 17;
$o = replace_macros( $t, array(
'$submit' => t('Save Settings'),
'$tmsserver' => array('tmsserver', t('Tile Server URL'), $tmsserver, t('A list of <a href="http://wiki.openstreetmap.org/wiki/TMS" target="_blank">public tile servers</a>')),
'$zoom' => array('zoom', t('Default zoom'), $zoom, t('The default zoom level. (1:world, 18:highest)')),
));
}
function openstreetmap_plugin_admin_post (&$a) {
$url = ((x($_POST, 'tmsserver')) ? notags(trim($_POST['tmsserver'])) : '');
$zoom = ((x($_POST, 'zoom')) ? intval(trim($_POST['zoom'])) : '17');
set_config('openstreetmap', 'tmsserver', $url);
set_config('openstreetmap', 'zoom', $zoom);
info( t('Settings updated.'). EOL);
}