/**
* Tests MapsDistanceParser::getUnitRatio()
*/
public function testGetUnitRatio()
{
foreach ($GLOBALS['egMapsDistanceUnits'] as $unit => $ratio) {
$r = MapsDistanceParser::getUnitRatio($unit);
$this->assertEquals($ratio, $r, "The ratio for '{$unit}' should be '{$ratio}' but was '{$r}'");
}
}
public function __construct(&$results, SMWPrintRequest $printRequest, SRFFiltered &$queryPrinter)
{
global $wgParser;
parent::__construct($results, $printRequest, $queryPrinter);
if (!defined('Maps_VERSION') || version_compare(Maps_VERSION, '1.0', '<')) {
throw new FatalError('You need to have the <a href="http://www.mediawiki.org/wiki/Extension:Maps">Maps</a> extension version 1.0 or higher installed in order to use the distance filter.<br />');
}
MapsGeocoders::init();
$params = $this->getActualParameters();
if (array_key_exists('distance filter origin', $params)) {
$origin = MapsGeocoders::attemptToGeocode($wgParser->recursiveTagParse($params['distance filter origin']));
} else {
$origin = array('lat' => '0', 'lon' => '0');
}
if (array_key_exists('distance filter unit', $params)) {
$this->mUnit = MapsDistanceParser::getValidUnit($wgParser->recursiveTagParse($params['distance filter unit']));
} else {
$this->mUnit = MapsDistanceParser::getValidUnit();
}
// Is the real position stored in a property?
if (array_key_exists('distance filter property', $params)) {
$property = trim($wgParser->recursiveTagParse($params['distance filter property']));
$locations = array();
} else {
$property = null;
$locations = null;
}
$targetLabel = $printRequest->getLabel();
foreach ($this->getQueryResults() as $id => $filteredItem) {
$row = $filteredItem->getValue();
// $filteredItem is of class SRF_Filtered_Item
// $row is an array of SMWResultArray
foreach ($row as $field) {
// $field is an SMWResultArray
$label = $field->getPrintRequest()->getLabel();
if ($label === $targetLabel) {
$field->reset();
$dataValue = $field->getNextDataValue();
// only use first value
if ($dataValue !== false) {
$posText = $dataValue->getShortText(SMW_OUTPUT_WIKI, false);
if ($property === null) {
// position is directly given
$pos = MapsGeocoders::attemptToGeocode($posText);
} else {
// position is given in a property of a page
// if we used this page before, just look up the coordinates
if (array_key_exists($posText, $locations)) {
$pos = $locations[$posText];
} else {
// query the position's page for the coordinates or address
$posText = SMWQueryProcessor::getResultFromFunctionParams(array($posText, '?' . $property), SMW_OUTPUT_WIKI, SMWQueryProcessor::INLINE_QUERY, true);
//
if ($posText !== '') {
// geocode
$pos = MapsGeocoders::attemptToGeocode($posText);
} else {
$pos = array('lat' => '0', 'lon' => '0');
}
// store coordinates in case we need them again
$locations[$posText] = $pos;
}
}
if (is_array($pos)) {
$distance = round(MapsGeoFunctions::calculateDistance($origin, $pos) / MapsDistanceParser::getUnitRatio($this->mUnit));
if ($distance > $this->mMaxDistance) {
$this->mMaxDistance = $distance;
}
} else {
$distance = -1;
}
} else {
$distance = -1;
// no location given
}
$filteredItem->setData('distance-filter', $distance);
break;
}
}
}
if (array_key_exists('distance filter max distance', $params) && is_numeric($maxDist = trim($wgParser->recursiveTagParse($params['distance filter max distance'])))) {
// this assignation ^^^ is ugly, but intentional
$this->mMaxDistance = $maxDist;
} else {
if ($this->mMaxDistance > 1) {
$base = pow(10, floor(log10($this->mMaxDistance)));
$this->mMaxDistance = ceil($this->mMaxDistance / $base) * $base;
}
}
}
