function formatMetadata($image)
{
$result = array('visible' => array(), 'collapsed' => array());
$metadata = $image->getMetadata();
if (!$metadata) {
return false;
}
$exif = unserialize($metadata);
if (!$exif) {
return false;
}
unset($exif['MEDIAWIKI_EXIF_VERSION']);
$format = new FormatExif($exif);
$formatted = $format->getFormattedData();
// Sort fields into visible and collapsed
$visibleFields = $this->visibleMetadataFields();
foreach ($formatted as $name => $value) {
$tag = strtolower($name);
self::addMeta($result, in_array($tag, $visibleFields) ? 'visible' : 'collapsed', 'exif', $tag, $value);
}
return $result;
}
function getExifData()
{
global $wgRequest;
if ($this->metadata === '0') {
return array();
}
$purge = $wgRequest->getVal('action') == 'purge';
$ret = unserialize($this->metadata);
$oldver = isset($ret['MEDIAWIKI_EXIF_VERSION']) ? $ret['MEDIAWIKI_EXIF_VERSION'] : 0;
$newver = Exif::version();
if (!count($ret) || $purge || $oldver != $newver) {
$this->updateExifData($newver);
}
if (isset($ret['MEDIAWIKI_EXIF_VERSION'])) {
unset($ret['MEDIAWIKI_EXIF_VERSION']);
}
$format = new FormatExif($ret);
return $format->getFormattedData();
}
/**
* @todo document
*/
function makeFormattedData()
{
$format = new FormatExif($this->getFilteredData());
$this->mFormattedExifData = $format->getFormattedData();
}
function getExifData()
{
global $wgRequest;
$handler = $this->getHandler();
if (!$handler || $handler->getMetadataType($this) != 'exif') {
return array();
}
if (!$this->metadata) {
return array();
}
$exif = unserialize($this->metadata);
if (!$exif) {
return array();
}
$format = new FormatExif($exif);
return $format->getFormattedData();
}
/**
* Get an array structure that looks like this:
*
* array(
* 'visible' => array(
* 'Human-readable name' => 'Human readable value',
* ...
* ),
* 'collapsed' => array(
* 'Human-readable name' => 'Human readable value',
* ...
* )
* )
* The UI will format this into a table where the visible fields are always
* visible, and the collapsed fields are optionally visible.
*
* The function should return false if there is no metadata to display.
*/
function formatMetadata( $image ) {
$result = array(
'visible' => array(),
'collapsed' => array()
);
$metadata = $image->getMetadata();
if ( !$metadata ) {
return false;
}
$exif = unserialize( $metadata );
$exif = $exif['exif'];
if ( !$exif ) {
return false;
}
unset( $exif['MEDIAWIKI_EXIF_VERSION'] );
if ( class_exists( 'FormatMetadata' ) ) {
// 1.18+
$formatted = FormatMetadata::getFormattedData( $exif );
} else {
// 1.17 and earlier.
$format = new FormatExif( $exif );
$formatted = $format->getFormattedData();
}
// Sort fields into visible and collapsed
$visibleFields = $this->visibleMetadataFields();
foreach ( $formatted as $name => $value ) {
$tag = strtolower( $name );
self::addMeta( $result,
in_array( $tag, $visibleFields ) ? 'visible' : 'collapsed',
'exif',
$tag,
$value
);
}
$meta = unserialize( $metadata );
$errors_raw = PagedTiffHandler::getMetadataErrors( $meta );
if ( $errors_raw ) {
$errors = PagedTiffHandler::joinMessages( $errors_raw );
self::addMeta( $result,
'collapsed',
'metadata',
'error',
$errors
);
// XXX: need translation for <metadata-error>
}
if ( !empty( $meta['warnings'] ) ) {
$warnings = PagedTiffHandler::joinMessages( $meta['warnings'] );
self::addMeta( $result,
'collapsed',
'metadata',
'warning',
$warnings
);
// XXX: need translation for <metadata-warning>
}
return $result;
}
