setHook('wrmap', 'wrmapParserHook'); $wgParser->setHook('wrgmap', array($wrGoogleMaps, 'render')); return true; } // Tool functions // -------------- /// List of markers - used by the functions wrMapReplaceByMarker and wrMapAfterTidy $wrMapMarkerList = array(); /// Returns a marker for a text and back-replaces the text in wrReportAfterTidy function wrMapReplaceByMarker($text, $marker = 'wrMapMarker') { $marker = $marker . mt_rand(1e5, 1e7); global $wrMapMarkerList; $wrMapMarkerList[$marker] = $text; return $marker; } /// Replaces the markers by its contents function wrMapParserAfterTidy(&$parser, &$text) { // find markers in $text // replace markers with actual output global $wrMapMarkerList; foreach ($wrMapMarkerList as $marker => $html) $text = str_replace($marker, $html, $text); return true; } // Java script // ----------- // Global JavaScript functions define(WRGMAPJSFUNCTIONS, << //" + name+ "");}); return marker; } //]]> JAVASCRIPT ); /** This class was inpired by the GoogleMaps class of the GoogleMaps extension. */ class WrGoogleMaps { /// the Google API key (obtained from /// http://www.google.com/apis/maps/signup.html) private $apiKey = null; /// How many tags are on the current page? private $mapsCount = 0; /// Constructor function WrGoogleMaps($apiKey) { $this->apiKey = $apiKey; } /// Renders the tag /// @param $content string - the content of the tag /// @param $args array - the array of attribute name/value pairs for the tag /// @param $parser Parser - the MW Parser object for the current page /// /// @return string - the html for rendering the map function render($content, $args, &$parser) { ++$this->mapsCount; // Decode data if (isset($args['lat'])) $latitude = floatval($args['lat']); else $latitude = 47.267648; if (isset($args['lon'])) $longitude = floatval($args['lon']); else $longitude = 11.404655; if (isset($args['zoom'])) $zoom = intval($args['zoom']); else $zoom = 10; // Google Zoom Level $staticSizeX = 600; $staticSizeY = 450; // Query database $dbr = wfGetDB(DB_SLAVE); $res = $dbr->select('wrsleddingcache', array('page_title', 'position_latitude', 'position_longitude')); $sleddingRoutes = array(); while ($sleddingRoute = $dbr->fetchRow($res)) $sleddingRoutes[] = $sleddingRoute; $dbr->freeResult($res); // Load Google Maps Script and define functions $output = ''; if ($this->mapsCount == 1) { $output .= '' . "\n"; $output .= WRGMAPJSFUNCTIONS; } // Create static map image link $staticLink = "http://maps.google.com/staticmap?center=$latitude,$longitude&zoom=$zoom&size=${staticSizeX}x$staticSizeY&key=$this->apiKey"; $staticMarkers = array(); foreach ($sleddingRoutes as $s) { $lat = $s['position_latitude']; $lon = $s['position_longitude']; $staticMarkers[] = sprintf('%.3f,%.3f,bluer', $lat, $lon); } if (count($staticMarkers) > 0) $staticLink .= '&' . implode('|', $staticMarkers); // Create
element where the map is placed in $mapName = 'wrgmap' . $this->mapsCount; $output .= '
'; // Return output $output .= '\n"; $output .= '\n"; return wrMapReplaceByMarker($output); } // returns a string that creates a map object called 'map' private function addMap($mapName, $latitude, $longitude, $zoom) { return "\tvar map = new GMap2(document.getElementById('$mapName'), {'mapTypes': [G_NORMAL_MAP, G_HYBRID_MAP, G_PHYSICAL_MAP, G_SATELLITE_MAP]});\n" . "\tmap.addControl(new GLargeMapControl());\n" . "\tmap.addControl(new GMapTypeControl());\n" . "\tmap.addControl(new GScaleControl());\n" . "\tmap.setCenter(new GLatLng($latitude, $longitude), $zoom);\n" . "\tmap.setMapType(G_PHYSICAL_MAP);\n" . "\tmap.enableScrollWheelZoom();\n"; } // returns a string with a add marker javascript call private function addJsMarker($latitude, $longitude, $pageTitle) { return "\tmap.addOverlay(wrCreateMarker($latitude, $longitude, \"" . htmlspecialchars(addslashes($pageTitle)) . "\", wrSleddingIcon));\n"; } } /// Format inside ... has to be like this: /// /// /// Rodelbahn|47.143241 N 11.208959 E|Birgitzer Alm /// ... /// /// /// The extension produces a format like this: /// /// 47.241731, 11.358994, Birgitzer Alm /// Die Birgitzer Alm ist nett /// 47.17607, 11.542763, Naviser Hütte /// Die Naviser Hütte /// function wrmapParserHook($input, $args, $parser) { $debug = (isset($args['debug']) && $args['debug'] != '0'); $output = ''; $lines = explode("\n", $input); $latitudes = array(); $longitudes = array(); foreach ($lines as $line) { try { $l = trim($line); if (strlen($l) == 0) continue; $columns = explode('|', $line); if (count($columns) != 3) throw new Exception(sprintf(utf8_encode('Die Anzahl der Spalten ist nicht 3 sondern %d'), count($columns))); $columns = list($type, $geo, $name) = $columns; if (strlen(trim($geo)) == 0) continue; list($latitude, $longitude) = wrGeoStringToGeo($geo); $latitudes[] = $latitude; $longitudes[] = $longitude; $output .= sprintf("%F, %F, %s\n", $latitude, $longitude, htmlspecialchars($name)); } catch (Exception $e) { return sprintf(utf8_encode('Ungültige Zeile in der Koordinatenliste: %s. %s'), htmlspecialchars($line), htmlspecialchars($e->getMessage())); } } if (count($latitudes) == 0) return utf8_encode('Keine Koordinaten eingetragen'); $minLatitude = min($latitudes); $centerLat = $minLatitude + (max($latitudes) - $minLatitude) / 2; $minLongitude = min($longitudes); $centerLon = $minLongitude + (max($longitudes) - $minLongitude) / 2; // TODO: Varable zoom level $output = ''. "\n" . $output . "\n"; if ($debug) return "
$output
\n"; return $parser->recursiveTagParse($output); } ?>