<?php
-require_once dirname(__FILE__) . '/../wrgeo/wrgeo.body.php'; # for the function wrGeoGeoStringToGeo
-
-function wrMapParserFirstCallInit() {
- global $wgParser;
- // global $wrGoogleMaps; // is this necessary?
- global $wgGoogleMapsKey;
- $wrGoogleMaps = new WrGoogleMaps($wgGoogleMapsKey);
- $wgParser->setHook('wrmap', 'wrmapParserHook');
- $wgParser->setHook('wrgmap', array($wrGoogleMaps, 'render'));
- return true;
-}
-
-// Tool functions
-// --------------
+// DOM helper classes
+// ------------------
-/// List of markers - used by the functions wrMapReplaceByMarker and wrMapAfterTidy
-$wrMapMarkerList = array();
+// The following two classes are "duplicated" from the wrreport extension to keep them separate.
+// Put improvements in both classes.
+class WrMapDOMDocument extends DOMDocument {
+ function __construct() {
+ parent::__construct('1.0', 'utf-8');
+ $this->registerNodeClass('DOMElement', 'WrMapDOMElement');
+ }
+ /// Creates and adds the element with the given tag name and returns it.
+ /// Additionally, it calls setAttribute($key, $value) for every entry
+ /// in $attributes.
+ function appendElement($tagName, $attributes=array()) {
+ $child = $this->appendChild($this->createElement($tagName));
+ foreach ($attributes as $key => $value) $child->setAttribute($key, $value);
+ return $child;
+ }
-/// Returns a marker for a text and back-replaces the text in wrReportAfterTidy
-function wrMapReplaceByMarker($text, $marker = 'wrMapMarker') {
- $marker = $marker . mt_rand(1e5, 1e7);
- global $wrMapMarkerList;
- $wrMapMarkerList[$marker] = $text;
- return $marker;
}
+class WrMapDOMElement extends DOMElement {
+
+ /// Creates and adds the element with the given tag name and returns it
+ /// Additionally, it calls setAttribute($key, $value) for every entry
+ /// in $attributes.
+ function appendElement($tagName, $attributes=array()) {
+ $child = $this->appendChild($this->ownerDocument->createElement($tagName));
+ foreach ($attributes as $key => $value) $child->setAttribute($key, $value);
+ return $child;
+ }
+ /// Adds any UTF-8 string as content of the element - it will be escaped.
+ function appendText($text) {
+ return $this->appendChild($this->ownerDocument->createTextNode($text));
+ }
-/// Replaces the markers by its contents
-function wrMapParserAfterTidy(&$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;
+ // Appends a CDATASections to the element. This can be used to include
+ // raw (unparsed) HTML to the DOM tree as it is necessary because
+ // $parser->recursiveTagParse does not always escape & characters.
+ // (see https://bugzilla.wikimedia.org/show_bug.cgi?id=55526 )
+ // Workaround: Use a CDATA section. When serializing with $doc->saveHTML,
+ // the <![CDATA[...]]> is returned as ... .
+ // However, we end up having unescaped & in the output due to this bug in recursiveTagParse.
+ function appendCDATA($data) {
+ return $this->appendChild($this->ownerDocument->createCDATASection($data));
+ }
}
+// gets coordinates and returns an array of lon/lat coordinate pairs, e.g.
+// 47.12 N 11.87 E
+// 47.13 N 11.70 E
+// ->
+// array(array(11.87, 47.12), array(11.70, 47.13))
+function geo_to_coordinates($input) {
+ $matches = array();
+ $num_matches = preg_match_all('/\s*(\d+\.?\d*)\s*N?\s+(\d+\.?\d*)\s*E?\s*/', $input, $matches);
+ $result = array();
+ for ($i=0; $i!=$num_matches; ++$i) {
+ $result[] = array(floatval($matches[2][$i]), floatval($matches[1][$i]));
+ }
+ if (implode($matches[0]) != $input) throw new Exception('Falsches Koordinatenformat: ' . $input);
+ return $result;
+}
-// Java script
-// -----------
-// Global JavaScript functions
-define(WRGMAPJSFUNCTIONS, <<<JAVASCRIPT
-<script type="text/javascript">
-//<![CDATA[
-var wrSleddingIcon = new GIcon(G_DEFAULT_ICON);
-wrSleddingIcon.image = "/vorlagen/gmap_rodelbahn_c.png";
-wrSleddingIcon.shadow = "/vorlagen/gmap_rodelbahn_c_s.png";
-wrSleddingIcon.iconSize = new GSize(17, 17);
-wrSleddingIcon.shadowSize = new GSize(23, 23);
-wrSleddingIcon.iconAnchor = new GPoint(9, 9);
-wrSleddingIcon.infoWindowAnchor = new GPoint(9, 9);
+// convert sledruns to geojson (http://www.geojson.org/geojson-spec.html)
+// Returns an array of features
+function sledruns_to_json_features() {
+ $json_features = array(); // result
+ $dbr = wfGetDB(DB_SLAVE);
+ $res = $dbr->select(array('wrsledruncache', 'wrreportcache'), array('wrsledruncache.page_title', 'position_latitude', 'position_longitude', 'date_report', '`condition`'), array('show_in_overview', 'not under_construction'), __METHOD__, array(), array('wrreportcache' => array('left outer join', 'wrsledruncache.page_id=wrreportcache.page_id')));
+ while ($sledrun = $dbr->fetchRow($res)) {
+ $lat = $sledrun['position_latitude'];
+ $lon = $sledrun['position_longitude'];
+ if (is_null($lat) || is_null($lon)) continue;
+ $lat = floatval($lat);
+ $lon = floatval($lon);
+ $title = Title::newFromText($sledrun['page_title']);
+ $properties = array('type' => 'sledrun', 'name' => $title->getText(), 'wiki' => $title->getLocalUrl());
+ if (!is_null($sledrun['date_report'])) $properties['date_report'] = $sledrun['date_report'];
+ if (!is_null($sledrun['condition'])) $properties['condition'] = intval($sledrun['condition']);
+ $json_feature = array(
+ 'type' => 'feature',
+ 'geometry' => array(
+ 'type' => 'Point',
+ 'coordinates' => array($lon, $lat)
+ ),
+ 'properties' => $properties
+ );
+ $json_features[] = $json_feature;
+ }
+ $dbr->freeResult($res);
+ return $json_features;
+}
-function wrCreateMarker(latitude, longitude, name, icon) {
- var point = new GLatLng(latitude, longitude);
- var marker = new GMarker(point, icon);
- var articlePath = "$wgArticlePath";
- var p = articlePath.replace("\$1", name.replace(' ', '_'));
- GEvent.addListener(marker, "click", function() {marker.openInfoWindowHtml("<strong><a href='" + p + "'>" + name+ "</a></strong>");});
- return marker;
-}
-//]]>
-</script>
-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 <wrgmap> tags are on the current page?
- private $mapsCount = 0;
-
- /// Constructor
- function WrGoogleMaps($apiKey) {
- $this->apiKey = $apiKey;
+// convert XML to geojson (http://www.geojson.org/geojson-spec.html)
+// Returns an array of features
+function xml_to_json_features($input) {
+ libxml_use_internal_errors(true); // without that, we get PHP Warnings if the $input is not well-formed
+ $xml = new SimpleXMLElement($input); // input
+ $whitespace = (string) $xml; // everything between <wrmap> and </wrmap> that's not a sub-element
+ if (strlen($whitespace) > 0 && !ctype_space($whitespace)) { // there must not be anythin except sub-elements or whitespace
+ throw new Exception('Die Landkarte enthält folgenden ungültigen Text: "' . trim($xml) . '".');
}
-
- /// Renders the <wrgmap> tag
+ $json_features = array(); // output
+ $point_types = array('gasthaus', 'haltestelle', 'parkplatz', 'achtung', 'punkt');
+ $line_types = array('rodelbahn', 'gehweg', 'alternative', 'lift', 'anfahrt', 'linie');
+ foreach ($xml as $feature) {
+ $given_properties = array();
+ foreach ($feature->attributes() as $key => $value) $given_properties[] = $key;
+
+ // determine feature type
+ $is_point = in_array($feature->getName(), $point_types);
+ $is_line = in_array($feature->getName(), $line_types);
+ if (!$is_point && !$is_line) {
+ throw new Exception('Unbekanntes Element <' . $feature->getName() . '>. Erlaubt sind: <' . implode('>, <', array_merge($point_types, $line_types)) . '>.');
+ }
+
+ // point
+ if ($is_point) {
+ $properties = array('type' => $feature->getName());
+ $allowed_properties = array('name', 'wiki');
+ $wrong_properties = array_diff($given_properties, $allowed_properties);
+ if (count($wrong_properties) > 0) throw new Exception("Das Attribut '" . reset($wrong_properties) . "' ist nicht erlaubt bei <" . $feature->getName() . ">. Erlaubt sind: '" . implode("', '", $allowed_properties) . "'.");
+ foreach ($given_properties as $property) {
+ $propval = (string) $feature[$property];
+ if ($property == 'wiki') {
+ $title = Title::newFromText($propval);
+ $propval = $title->getLocalUrl();
+ }
+ $properties[$property] = $propval;
+ }
+ $coordinates = geo_to_coordinates($feature);
+ if (count($coordinates) != 1) throw new Exception('Das Element <' . $feature->getName() . '> muss genau ein Koordinatenpaar haben.');
+ $json_feature = array(
+ 'type' => 'feature',
+ 'geometry' => array(
+ 'type' => 'Point',
+ 'coordinates' => reset($coordinates)
+ ),
+ 'properties' => $properties
+ );
+ $json_features[] = $json_feature;
+ }
+ // line
+ if ($is_line) {
+ $properties = array('type' => $feature->getName());
+ $allowed_properties = array('farbe', 'dicke');
+ $wrong_properties = array_diff($given_properties, $allowed_properties);
+ if (count($wrong_properties) > 0) throw new Exception("Das Attribut '" . reset($wrong_properties) . "' ist nicht erlaubt bei <" . $feature->getName() . ">. Erlaubt sind: '" . implode("', '", $allowed_properties) . "'.");
+ if (isset($feature['farbe'])) {
+ $color = (string) $feature['farbe']; // e.g. #a200b7
+ if (preg_match('/^#[0-9a-f]{6}$/i', $color) != 1)
+ throw new Exception('Die Farbangabe der Linie hat ein falsches Format. Sie muss z.B. so aussehen: #a200b7.');
+ $properties['strokeColor'] = $color;
+ }
+ if (isset($feature['dicke'])) {
+ $stroke_width = (int) $feature['dicke']; // e.g. 6
+ if (((string) $stroke_width) !== (string) $feature['dicke'])
+ throw new Exception('Die Angabe der Liniendicke hat ein falsches Format. Sie muss eine ganze Zahl wie z.B. 6 sein.');
+ $properties['strokeWidth'] = $stroke_width;
+ }
+ $json_feature = array(
+ 'type' => 'feature',
+ 'geometry' => array(
+ 'type' => 'LineString',
+ 'coordinates' => geo_to_coordinates($feature)
+ ),
+ 'properties' => $properties
+ );
+ $json_features[] = $json_feature;
+ }
+ }
+ return $json_features;
+}
+
+
+
+class WrBaseMap {
+ /// Renders the <wrgmap> tag and the <wrmap> tag.
+ /// This class would be the only class needed but as the function render() toes not provide an argument
+ /// telling which tag name called the function, a trick with two inherited classes has to be used.
/// @param $content string - the content of the <wrgmap> 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'), 'show_in_overview');
- $sleddingRoutes = array();
- while ($sleddingRoute = $dbr->fetchRow($res)) $sleddingRoutes[] = $sleddingRoute;
- $dbr->freeResult($res);
-
- // Load Google Maps Script and define functions
- $output = '';
- if ($this->mapsCount == 1) {
- $output .= '<script src="http://maps.google.com/maps?file=api&v=2&key=' . htmlspecialchars($this->apiKey) . '" type="text/javascript"></script>' . "\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, $lon);
+ public static function render($content, $args, $parser, $frame) {
+ // Unfortunately, $tagname is no argument of this function, therefore we have to use a trick with derived classes.
+ $tagname = strtolower(get_called_class()); // either wrmap or wrgmap
+ assert(in_array($tagname, array('wrmap', 'wrgmap')));
+
+ $parserOutput = $parser->getOutput();
+ $parserOutput->addHeadItem('<script type="text/javascript" src="http://maps.google.com/maps/api/js?v=3.8&sensor=false"></script>', 'googlemaps');
+ $parserOutput->addModules('ext.wrmap');
+
+ // append all sledruns as icon
+ $json_features = array();
+ $show_sledruns = ($tagname == 'wrgmap');
+ if ($show_sledruns) {
+ $json_features = array_merge($json_features, sledruns_to_json_features());
}
- if (count($staticMarkers) > 0) $staticLink .= '&markers=' . implode('|', $staticMarkers);
- // Create <div/> element where the map is placed in
- $mapName = 'wrgmap' . $this->mapsCount;
- $output .= '<div id="' . $mapName . '" style="width: 100%; height: 450px; border-style:none; display:none;"></div>';
-
- // Return output
- $output .= '<script type="text/javascript">' . "\n//<![CDATA[\n";
- $output .= 'if (GBrowserIsCompatible()) {' . "\n";
- $output .= "\tdocument.getElementById(\"$mapName\").style.display = \"block\";\n";
- $output .= $this->addMap($mapName, $latitude, $longitude, $zoom);
- foreach ($sleddingRoutes as $s) {
- $lat = $s['position_latitude'];
- $lon = $s['position_longitude'];
- $pageTitle = $s['page_title'];
- if (!$lat || !$lon) continue;
- $output .= $this->addJsMarker($lat, $lon, $pageTitle);
+ try {
+ // map properties
+ $properties = array();
+ if (isset($args['lat'])) $properties['lat'] = (float) $args['lat']; // latitude as float value
+ if (isset($args['lon'])) $properties['lon'] = (float) $args['lon']; // longitude as float value
+ if (isset($args['zoom'])) $properties['zoom'] = (int) $args['zoom']; // zoom as int value
+ if (isset($args['width'])) $properties['width'] = (int) $args['width']; // width as int value
+ if (isset($args['height'])) $properties['height'] = (int) $args['height']; // height as int value
+
+ // append all elements in the XML
+ $json_features = array_merge($json_features, xml_to_json_features('<wrmap>' . $content . '</wrmap>'));
+ } catch (Exception $e) {
+ return '<div class="error">' . htmlspecialchars("Fehler beim Parsen der Landkarte: " . $e->getMessage()) . '</div>';
}
- $output .= "} else {\n"; // browser not compatible -> create static map
- $output .= "\tdocument.write(\"<img alt=\\\"Landkarte mit Rodelbahnen\\\" src=\\\"" . htmlspecialchars($staticLink) . "\\\" width=\\\"$staticSizeX\\\" height=\\\"$staticSizeY\\\" />\");\n";
- $output .= "}\n//]]>\n</script>\n";
- $output .= '<noscript><img alt="Landkarte mit Rodelbahnen" src="' . htmlspecialchars($staticLink) . "\" width=\"$staticSizeX\" height=\"$staticSizeY\" /></noscript>\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";
- }
+ // create final geojson
+ $json = array(
+ 'type' => 'FeatureCollection',
+ 'features' => $json_features,
+ 'properties' => $properties
+ );
+ $json_string = json_encode($json);
- // 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";
+ // Create <div/> element where the map is placed in
+ global $wgExtensionAssetsPath;
+ $output = "<div class=\"wrmap\" style=\"border-style:none;\" data-img-path=\"$wgExtensionAssetsPath/wrmap/openlayers/img/\">";
+ $output .= htmlspecialchars($json_string, ENT_NOQUOTES);
+ $output .= "</div>\n";
+
+ return array($output, 'markerType' => 'nowiki');
}
-
}
-/// Format inside <wrmap>...</wrmap> has to be like this:
-///
-/// <wrmap>
-/// Rodelbahn|47.143241 N 11.208959 E|Birgitzer Alm
-/// ...
-/// </wrmap>
-///
-/// The extension produces a format like this:
-/// <googlemap version="0.9" lat="47.241016" lon="11.56517" zoom="11">
-/// 47.241731, 11.358994, Birgitzer Alm
-/// Die Birgitzer Alm ist nett
-/// 47.17607, 11.542763, Naviser Hütte
-/// Die Naviser Hütte
-/// </googlemap>
-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 $e) {
- return sprintf(utf8_encode('Ungültige Zeile in der Koordinatenliste: <em>%s</em>. %s'), htmlspecialchars($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;
+// <wrmap> tag
+class WrMap extends WrBaseMap {
+}
- // TODO: Varable zoom level
- $output = '<googlemap version="0.9" lat="' . $centerLat . '" lon="' . $centerLon . '" type="terrain" zoom="9">'. "\n" . $output . "</googlemap>\n";
- if ($debug) return "<pre><nowiki>$output</nowiki></pre>\n";
- return $parser->recursiveTagParse($output);
+// <wrgmap> tag
+class WrGMap extends WrBaseMap {
}
-
?>
ToastFreeware / philipp / winterrodeln / mediawiki_extensions / wrmap.git / blobdiff