X-Git-Url: https://git.toastfreeware.priv.at/philipp/winterrodeln/mediawiki_extensions/wrmap.git/blobdiff_plain/7faf2f18e28ae68cfa491ec6fe3e26279fac6e98..6d6fba003a800252f3d724f53e3b7a13b3ea5bab:/wrmap.body.php?ds=sidebyside diff --git a/wrmap.body.php b/wrmap.body.php index 1fdc823..36cba2d 100644 --- a/wrmap.body.php +++ b/wrmap.body.php @@ -1,9 +1,52 @@ 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 $child; + } + +} +class WrMapDOMElement extends DOMElement { + + /// Creates and adds the element with the given tag name and returns it + /// Additionally, it calls setAttribute($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)); + } + + // 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 $doc->saveHTML, + // the is returned as ... . + // However, we end up having unescaped & in the output due to this bug in recursiveTagParse. + function appendCDATA($data) { + return $this->appendChild($this->ownerDocument->createCDATASection($data)); + } } @@ -14,11 +57,12 @@ function array_get($key, $array, $default) { // array(array(11.87, 47.12), array(11.70, 47.13)) function geo_to_coordinates($input) { $matches = array(); - $num_matches = preg_match_all('/(\d+\.?\d*)\s*N?\s+(\d+\.?\d*)\s*E?\s*/', $input, $matches); + $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; } @@ -36,23 +80,16 @@ function sledruns_to_json_features() { $lat = floatval($lat); $lon = floatval($lon); $title = Title::newFromText($sledrun['page_title']); - $title_text = $title->getText(); - $title_url = $title->getLocalUrl(); - $condition = $sledrun['condition']; - if (!is_null($condition)) $condition = intval($condition); + $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' => array( - 'type' => 'sledrun', - 'name' => $title_text, - 'wiki' => $title_url, - 'date_report' => $sledrun['date_report'], - 'condition' => $condition - ) + 'properties' => $properties ); $json_features[] = $json_feature; } @@ -66,41 +103,75 @@ function sledruns_to_json_features() { function xml_to_json_features($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) $xml; // everything between and that's not a sub-element + if (strlen($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) . '".'); + } $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, $line_types)) . '>.'); + } + // point - if (in_array($feature->getName(), array('gasthaus', 'haltestelle', 'parkplatz', 'punkt'))) { - $wiki = array_get('wiki', $feature, null); - $name = array_get('name', $feature, null); + if ($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.'); $json_feature = array( 'type' => 'feature', 'geometry' => array( 'type' => 'Point', - 'coordinates' => geo_to_coordinates($feature)[0] + 'coordinates' => reset($coordinates) ), - 'properties' => array( - 'type' => $feature->getName(), - 'name' => $name, - 'wiki' => $wiki - ) + 'properties' => $properties ); $json_features[] = $json_feature; } // line - if (in_array($feature->getName(), array('rodelbahn', 'gehweg', 'alternative', 'lift', 'linie'))) { - $color = array_get('farbe', $feature, null); - $thickness = array_get('dicke', $feature, null); + if ($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' => array( - 'type' => $feature->getName(), - 'color' => $color, - 'thickness' => $thickness - ) + 'properties' => $properties ); $json_features[] = $json_feature; } @@ -124,52 +195,47 @@ class WrBaseMap { $tagname = strtolower(get_called_class()); // either wrmap or wrgmap assert(in_array($tagname, array('wrmap', 'wrgmap'))); - // Get center and zoom level from $args - if (isset($args['lat'])) $latitude = floatval($args['lat']); else $latitude = 47.267648; // latitude as float value - if (isset($args['lon'])) $longitude = floatval($args['lon']); else $longitude = 11.404655; // longitude as float value - if (isset($args['zoom'])) $zoom = intval($args['zoom']); else $zoom = 10; // Google Zoom Level - if (isset($args['width'])) $width = intval($args['width']); else $width = null; // null corresponds to 100% - if (isset($args['height'])) $height = intval($args['height']); else $height = 450; - $latitude_s = sprintf('%.6F', $latitude); - $longitude_s = sprintf('%.6F', $longitude); - $width_s = is_null($width) ? '100%' : $width . 'px'; - $height_s = $height . 'px'; - $show_sledruns = ($tagname == 'wrgmap'); - $parserOutput = $parser->getOutput(); $parserOutput->addHeadItem('', 'googlemaps'); $parserOutput->addModules('ext.wrmap'); - - $json_features = array(); // 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()); } - // append all elements in the XML 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('' . $content . '')); } catch (Exception $e) { - return htmlspecialchars($e); + return '
' . htmlspecialchars("Fehler beim Parsen der Landkarte: " . $e->getMessage()) . '
'; } // create final geojson $json = array( 'type' => 'FeatureCollection', - 'features' => $json_features + 'features' => $json_features, + 'properties' => $properties ); $json_string = json_encode($json); // Create
element where the map is placed in global $wgExtensionAssetsPath; - $output = "
"; - $output .= ""; $output .= "
\n"; - return $output; + return array($output, 'markerType' => 'nowiki'); } }