SemanticMediaWiki / SemanticInterlanguageLinks

src/LanguageLinkAnnotator.php

<?php

namespace SIL;

use SMW\ParserData;
use SMW\Subobject;
use SMW\DIProperty;

/**
 * @license GNU GPL v2+
 * @since 1.0
 *
 * @author mwjames
 */
class LanguageLinkAnnotator {

	/**
	 * @var ParserData
	 */
	private $parserData;

	/**
	 * @since 1.0
	 *
	 * @param ParserData $parserData
	 */
	public function __construct( ParserData $parserData ) {
		$this->parserData = $parserData;
	}

	/**
	 * @since 1.0
	 *
	 * @param InterlanguageLink $interlanguageLink
	 *
	 * @return boolean
	 */
	public function hasDifferentLanguageAnnotation( InterlanguageLink $interlanguageLink ) {

		$propertyValues = $this->parserData->getSemanticData()->getPropertyValues(
			new DIProperty( PropertyRegistry::SIL_CONTAINER )
		);

		foreach ( $propertyValues as $value ) {
			if ( $value->getSubobjectname() !== $interlanguageLink->getContainerId() ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * @since 1.3
	 *
	 * @return boolean
	 */
	public function canAddAnnotation() {

		if ( method_exists( $this->parserData, 'canModifySemanticData' ) ) {
			return $this->parserData->canModifySemanticData();

The method canModifySemanticData() does not seem to exist on object<SMW\ParserData>.

		}

		// SMW 3.0
		if ( method_exists( $this->parserData, 'canUse' ) ) {
			return $this->parserData->canUse();
		}

		return true;
	}

	/**
	 * @since 1.0
	 *
	 * @param InterlanguageLink $interlanguageLink
	 */
	public function addAnnotationForInterlanguageLink( InterlanguageLink $interlanguageLink ) {

		$subobject = new Subobject( $this->parserData->getTitle() );
		$subobject->setEmptyContainerForId( $interlanguageLink->getContainerId() );

		$subobject->getSemanticData()->addDataValue(
			$interlanguageLink->newLanguageDataValue()
		);

		$subobject->getSemanticData()->addDataValue(
			$interlanguageLink->newLinkReferenceDataValue()
		);

		$this->parserData->getSemanticData()->addPropertyObjectValue(
			$interlanguageLink->newContainerProperty(),
			$subobject->getContainer()
		);

		$this->parserData->pushSemanticDataToParserOutput();
		$this->parserData->setSemanticDataStateToParserOutputProperty();
	}

	/**
	 * @since 1.0
	 *
	 * @param InterwikiLanguageLink $interwikiLanguageLink
	 */
	public function addAnnotationForInterwikiLanguageLink( InterwikiLanguageLink $interwikiLanguageLink ) {

		$subobject = new Subobject( $this->parserData->getTitle() );
		$subobject->setEmptyContainerForId( $interwikiLanguageLink->getContainerId() );

		$subobject->getSemanticData()->addDataValue(
			$interwikiLanguageLink->newLanguageDataValue()
		);

		$subobject->getSemanticData()->addDataValue(
			$interwikiLanguageLink->newInterwikiReferenceDataValue()
		);

		$this->parserData->getSemanticData()->addPropertyObjectValue(
			$interwikiLanguageLink->newContainerProperty(),
			$subobject->getContainer()
		);

		$this->parserData->pushSemanticDataToParserOutput();
		$this->parserData->setSemanticDataStateToParserOutputProperty();
	}

}