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<?php
namespace SMW\DataValues\ValueFormatters;
use RuntimeException;
use SMW\DataValueFactory;
use SMW\DataValues\MonolingualTextValue;
use SMW\DIProperty;
use SMW\Message;
use SMWDataValue as DataValue;
/**
* @license GNU GPL v2+
* @since 2.4
*
* @author mwjames
*/
class MonolingualTextValueFormatter extends DataValueFormatter {
/**
* @since 2.4
*
* {@inheritDoc}
*/
public function isFormatterFor( DataValue $dataValue ) {
return $dataValue instanceof MonolingualTextValue;
}
/**
* @since 2.4
*
* {@inheritDoc}
*/
public function format( $type, $linker = null ) {
if ( !$this->dataValue instanceof MonolingualTextValue ) {
throw new RuntimeException( "The formatter is missing a valid MonolingualTextValue object" );
}
if (
$this->dataValue->getCaption() !== false &&
( $type === self::WIKI_SHORT || $type === self::HTML_SHORT ) ) {
return $this->dataValue->getCaption();
}
return $this->getOutputText( $type, $linker );
}
protected function getOutputText( $type, $linker = null ) {
if ( !$this->dataValue->isValid() ) {
return ( ( $type == self::WIKI_SHORT ) || ( $type == self::HTML_SHORT ) ) ? '' : $this->dataValue->getErrorText();
}
// For the inverse case, return the subject that contains the reference
// for Foo annotated with [[Bar::abc@en]] -> [[-Bar::Foo]]
if ( $this->dataValue->getProperty() !== null && $this->dataValue->getProperty()->isInverse() ) {
$dataItems = $this->dataValue->getDataItem()->getSemanticData()->getPropertyValues(
new DIProperty( $this->dataValue->getProperty()->getKey() )
);
$dataItem = reset( $dataItems );
if ( !$dataItem ) {
return '';
}
return $dataItem->getDBKey();
}
return $this->doFormatFinalOutputFor( $type, $linker );
}
private function doFormatFinalOutputFor( $type, $linker ) {
$text = '';
$languagecode = '';
foreach ( $this->dataValue->getPropertyDataItems() as $property ) {
// If we wanted to omit the language code display for some outputs then
// this is the point to make it happen
if ( ( $type == self::HTML_LONG || $type == self::WIKI_SHORT ) && $property->getKey() === '_LCODE' ) {
//continue;
}
$dataItems = $this->dataValue->getDataItem()->getSemanticData()->getPropertyValues(
$property
);
// Should not happen but just in case
if ( !$dataItems === [] ) {
$this->dataValue->addErrorMsg( 'smw-datavalue-monolingual-dataitem-missing' );
continue;
}
$dataItem = reset( $dataItems );
if ( $dataItem === false ) {
continue;
}
$dataValue = DataValueFactory::getInstance()->newDataValueByItem(
$dataItem,
$property
);
$result = $this->findValueOutputFor(
$type,
$dataValue,
$linker
);
if ( $property->getKey() === '_LCODE' && $type !== self::VALUE ) {
$languagecode = ' ' . Message::get( [ 'smw-datavalue-monolingual-lcode-parenthesis', $result ] );
} elseif ( $property->getKey() === '_LCODE' && $type === self::VALUE ) {
$languagecode = '@' . $result;
} else {
$text = $result;
}
}
return $text . $languagecode;
}
private function findValueOutputFor( $type, $dataValue, $linker ) {
switch ( $type ) {
case self::VALUE:
return $dataValue->getWikiValue();
case self::WIKI_SHORT:
return $dataValue->getShortWikiText( $linker );
case self::HTML_SHORT:
return $dataValue->getShortHTMLText( $linker );
case self::WIKI_LONG:
return $dataValue->getShortWikiText( $linker );
case self::HTML_LONG:
return $dataValue->getShortHTMLText( $linker );
}
}
}
|
