/**
* @see ItemParameterManipulation::doManipulation
*
* @since 0.7.5
*/
public function doManipulation(&$value, Parameter $parameter, array &$parameters)
{
global $egMapsDefaultGeoService;
static $validatedDefault = false;
if (!MapsGeocoders::canGeocode()) {
throw new MWException('There are no geocoders registered, so no geocoding can happen.');
}
// Get rid of any aliases.
$value = $this->getMainIndentifier($value);
// Override the defaulting.
if ($parameter->wasSetToDefault() && is_string($this->mappingServiceParam) && array_key_exists($this->mappingServiceParam, $parameters)) {
$value = self::resolveOverrides($value, $parameters[$this->mappingServiceParam]->getValue());
}
if ($value === '' || !array_key_exists($value, MapsGeocoders::$registeredGeocoders)) {
if (!$validatedDefault) {
if (!array_key_exists($egMapsDefaultGeoService, MapsGeocoders::$registeredGeocoders)) {
$geoServices = array_keys(MapsGeocoders::$registeredGeocoders);
$egMapsDefaultGeoService = array_shift($geoServices);
if (is_null($egMapsDefaultGeoService)) {
throw new MWException('Tried to geocode while there are no geocoders available at ' . __METHOD__);
}
}
}
if (array_key_exists($egMapsDefaultGeoService, MapsGeocoders::$registeredGeocoders)) {
$value = $egMapsDefaultGeoService;
} else {
throw new MWException('Attempt to use the default geocoder while it does not exist.');
}
}
}
/**
* Returns true if the parameter value contains atleast 1 comma
* meaning that there are atleast two enpoints on which to draw a line.
*
* @param string $value
* @param Parameter $parameter
* @param array $parameters
*
* @since 0.4
*
* @return boolean
*/
protected function doValidation($value, Parameter $parameter, array $parameters)
{
//fetch locations
$value = explode($this->metaDataSeparator, $value);
$value = $value[0];
//need atleast two points to create a line
$valid = strpos($value, ':') != false;
if (!$valid) {
return $valid;
}
//setup geocode deps
$canGeoCode = MapsGeocoders::canGeocode();
if ($canGeoCode) {
$geoService = $parameter->hasDependency('geoservice') ? $parameters['geoservice']->getValue() : '';
$mappingService = $parameter->hasDependency('mappingservice') ? $parameters['mappingservice']->getValue() : false;
}
//strip away line parameters and check for valid locations
$parts = explode(':', $value);
foreach ($parts as $part) {
$toIndex = strpos($part, $this->metaDataSeparator);
if ($toIndex != false) {
$part = substr($part, 0, $toIndex);
}
if ($canGeoCode) {
$valid = MapsGeocoders::isLocation($part, $geoService, $mappingService);
} else {
$valid = MapsCoordinateParser::areCoordinates($part);
}
if (!$valid) {
break;
}
}
return $valid;
}
/**
* @see ItemParameterCriterion::validate
*/
protected function doValidation($value, Parameter $parameter, array $parameters)
{
if ($this->metaDataSeparator !== false) {
$parts = explode($this->metaDataSeparator, $value);
$value = $parts[0];
}
if (MapsGeocoders::canGeocode()) {
$geoService = $parameter->hasDependency('geoservice') ? $parameters['geoservice']->getValue() : '';
$mappingService = $parameter->hasDependency('mappingservice') ? $parameters['mappingservice']->getValue() : false;
return MapsGeocoders::isLocation($value, $geoService, $mappingService);
} else {
return MapsCoordinateParser::areCoordinates($value);
}
}
/**
* Initiate the geocoding functionality.
*
* @since 1.0.3
*
* @return boolean Indicates if init happened
*/
public static function init()
{
static $initiated = false;
if ($initiated) {
return false;
}
$initiated = true;
// Register the geocoders.
wfRunHooks('GeocoderFirstCallInit');
// Determine if there are any geocoders.
self::$canGeocode = count(self::$registeredGeocoders) > 0;
return true;
}
/**
* Renders and returns the output.
* @see ParserHook::render
*
* @since 0.7
*
* @param array $parameters
*
* @return string
*/
public function render(array $parameters)
{
if (MapsGeocoders::canGeocode()) {
$geovalues = MapsGeocoders::attemptToGeocodeToString($parameters['location'], $parameters['geoservice'], $parameters['mappingservice'], $parameters['allowcoordinates'], $parameters['format'], $parameters['directional']);
$output = $geovalues ? $geovalues : '';
} else {
$output = htmlspecialchars(wfMsg('maps-geocoder-not-available'));
}
return $output;
}
/**
* Renders and returns the output.
* @see ParserHook::render
*
* @since 0.7
*
* @param array $parameters
*
* @return string
*/
public function render(array $parameters)
{
$canGeocode = MapsGeocoders::canGeocode();
if ($canGeocode) {
$location = MapsGeocoders::attemptToGeocode($parameters['location'], $parameters['geoservice'], $parameters['mappingservice']);
} else {
$location = MapsCoordinateParser::parseCoordinates($parameters['location']);
}
// TODO
if ($location) {
$destination = MapsGeoFunctions::findDestination($location, $parameters['bearing'], MapsDistanceParser::parseDistance($parameters['distance']));
$output = MapsCoordinateParser::formatCoordinates($destination, $parameters['format'], $parameters['directional']);
} else {
// The location should be valid when this method gets called.
throw new MWException('Attempt to find a destination from an invalid location');
}
return $output;
}
/**
* Renders and returns the output.
* @see ParserHook::render
*
* @since 0.7
*
* @param array $parameters
*
* @return string
*/
public function render(array $parameters)
{
if (MapsGeocoders::canGeocode()) {
$start = MapsGeocoders::attemptToGeocode($parameters['location1'], $parameters['geoservice'], $parameters['mappingservice']);
$end = MapsGeocoders::attemptToGeocode($parameters['location2'], $parameters['geoservice'], $parameters['mappingservice']);
} else {
$start = MapsCoordinateParser::parseCoordinates($parameters['location1']);
$end = MapsCoordinateParser::parseCoordinates($parameters['location2']);
}
if ($start && $end) {
$output = MapsDistanceParser::formatDistance(MapsGeoFunctions::calculateDistance($start, $end), $parameters['unit'], $parameters['decimals']);
} else {
// The locations should be valid when this method gets called.
throw new Exception('Attempt to find the distance between locations of at least one is invalid');
}
return $output;
}
