mediawiki-extensions-Visual.../modules/ve-mw/dm/annotations/ve.dm.MWExternalLinkAnnotation.js
Bartosz Dziewoński 56195923d8 Allow more 'rel' values on external links in Parsoid output
Follow-up to I4070b3b16c8b2b76a0e7a67599efd914cbde63aa.

Bug: T321437
Change-Id: I4917c208251b4bcf1d31b07e717266970cb1516d
2022-10-26 01:07:08 +02:00

117 lines
4 KiB
JavaScript

/*!
* VisualEditor DataModel MWExternalLinkAnnotation class.
*
* @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* DataModel MediaWiki external link annotation.
*
* Example HTML sources:
*
* <a rel="mw:ExtLink" class="external free" href="http://example.com">http://example.com</a>
* <a rel="mw:ExtLink" class="external text" href="http://example.com">Link content</a>
* <a rel="mw:ExtLink" class="external autonumber" href="http://example.com"></a>
* <a rel="mw:WikiLink/Interwiki" href="http://en.wikipedia.org/wiki/Foo">en:Foo</a>
*
* Each example is semantically slightly different, but they don't need special treatment (yet).
*
* @class
* @extends ve.dm.LinkAnnotation
* @constructor
* @param {Object} element
*/
ve.dm.MWExternalLinkAnnotation = function VeDmMWExternalLinkAnnotation() {
// Parent constructor
ve.dm.MWExternalLinkAnnotation.super.apply( this, arguments );
};
/* Inheritance */
OO.inheritClass( ve.dm.MWExternalLinkAnnotation, ve.dm.LinkAnnotation );
/* Static Properties */
ve.dm.MWExternalLinkAnnotation.static.name = 'link/mwExternal';
// Allow additional 'rel' values in Parsoid output (T321437)
// Allow all unknown types for external paste (handled in toDataElement)
ve.dm.MWExternalLinkAnnotation.static.allowedRdfaTypes = null;
ve.dm.MWExternalLinkAnnotation.static.toDataElement = function ( domElements, converter ) {
var domElement = domElements[ 0 ],
type = domElement.getAttribute( 'rel' ) || domElement.getAttribute( 'typeof' ) || domElement.getAttribute( 'property' ) || '',
types = type.trim().split( /\s+/ );
// If the link doesn't have a known RDFa type...
if ( types.indexOf( 'mw:ExtLink' ) === -1 && types.indexOf( 'mw:WikiLink/Interwiki' ) === -1 ) {
// ...when pasting: auto-convert it to the correct type (internal/external/span)
if ( converter.isFromClipboard() ) {
if ( domElement.hasAttribute( 'href' ) ) {
var annotation = ve.ui.MWLinkAction.static.getLinkAnnotation( domElement.getAttribute( 'href' ), converter.getHtmlDocument() );
return annotation.element;
} else {
// Convert href-less links to a plain span, which will get stripped by sanitization
return ve.dm.SpanAnnotation.static.toDataElement.apply( ve.dm.SpanAnnotation.static, arguments );
}
}
// ...otherwise (in Parsoid HTML): something is terribly wrong, alienate to avoid making
// unnecessary DOM changes in Parsoid output and causing dirty diffs (T267282)
return null;
}
// Parent method
var dataElement = ve.dm.MWExternalLinkAnnotation.super.static.toDataElement.apply( this, arguments );
dataElement.attributes.rel = type;
return dataElement;
};
ve.dm.MWExternalLinkAnnotation.static.toDomElements = function ( dataElement, doc, converter ) {
// Parent method
var domElements = ve.dm.MWExternalLinkAnnotation.super.static.toDomElements.apply( this, arguments );
if ( converter.isForPreview() ) {
// Ensure there is an 'external' class when rendering, as this may have been created locally.
domElements[ 0 ].setAttribute( 'class', 'external' );
}
// we just created that link so the 'rel' attribute should be safe
domElements[ 0 ].setAttribute( 'rel', dataElement.attributes.rel || 'mw:ExtLink' );
return domElements;
};
ve.dm.MWExternalLinkAnnotation.static.describeChange = function ( key, change ) {
if ( key === 'href' ) {
return ve.dm.LinkAnnotation.static.describeChange( key, change );
}
return null;
};
/* Methods */
/**
* @return {Object}
*/
ve.dm.MWExternalLinkAnnotation.prototype.getComparableObject = function () {
return {
type: this.getType(),
href: this.getAttribute( 'href' ),
rel: this.getAttribute( 'rel' ) || 'mw:ExtLink'
};
};
/**
* @inheritdoc
*/
ve.dm.MWExternalLinkAnnotation.prototype.getComparableHtmlAttributes = function () {
// Assume that wikitext never adds meaningful html attributes for comparison purposes,
// although ideally this should be decided by Parsoid (Bug T95028).
return {};
};
/* Registration */
ve.dm.modelRegistry.register( ve.dm.MWExternalLinkAnnotation );