Current File : /www/varak.net/wiki.varak.net/extensions/VisualEditor/modules/ve-mw/init/ve.init.mw.LinkCache.js
/*!
* VisualEditor MediaWiki Initialization LinkCache class.
*
* @copyright 2011-2016 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* Caches information about titles.
*
* @class
* @extends ve.init.mw.ApiResponseCache
* @constructor
*/
ve.init.mw.LinkCache = function VeInitMwLinkCache() {
ve.init.mw.LinkCache.super.call( this );
// Keys are page names, values are link data objects
// This is kept for synchronous retrieval of cached values via #getCached
this.cacheValues = {};
};
/* Inheritance */
OO.inheritClass( ve.init.mw.LinkCache, ve.init.mw.ApiResponseCache );
/* Static methods */
/**
* Get the icon name to use for a particular link type
*
* @param {Object} linkData Link data
* @return {string} Icon name
*/
ve.init.mw.LinkCache.static.getIconForLink = function ( linkData ) {
if ( linkData.missing ) {
return 'page-not-found';
}
if ( linkData.redirect ) {
return 'page-redirect';
}
if ( linkData.disambiguation ) {
return 'page-disambiguation';
}
return 'page-existing';
};
/**
* @inheritdoc
*/
ve.init.mw.LinkCache.static.processPage = function ( page ) {
return {
missing: page.missing !== undefined,
redirect: page.redirect !== undefined,
disambiguation: ve.getProp( page, 'pageprops', 'disambiguation' ) !== undefined,
imageUrl: ve.getProp( page, 'thumbnail', 'source' ),
description: ve.getProp( page, 'terms', 'description' )
};
};
/* Methods */
/**
* Requests information about the title, then adds classes to the provided element as appropriate.
*
* @param {string} title
* @param {jQuery} $element Element to style
*/
ve.init.mw.LinkCache.prototype.styleElement = function ( title, $element ) {
var promise,
cachedMissingData = this.getCached( '_missing/' + title );
// Use the synchronous missing link cache data if it exists
if ( cachedMissingData ) {
promise = $.Deferred().resolve( cachedMissingData ).promise();
} else {
promise = this.get( title );
}
promise.done( function ( data ) {
if ( data.missing ) {
$element.addClass( 'new' );
} else {
// Provided by core MediaWiki, no styles by default.
if ( data.redirect ) {
$element.addClass( 'mw-redirect' );
}
// Provided by the Disambiguator extension, no styles by default.
if ( data.disambiguation ) {
$element.addClass( 'mw-disambig' );
}
}
} );
};
/**
* Enable or disable automatic assumption of existence.
*
* While enabled, any get() for a title that's not already in the cache will return
* { missing: false } and write that to the cache.
*
* @param {boolean} assume Assume all uncached titles exist
*/
ve.init.mw.LinkCache.prototype.setAssumeExistence = function ( assume ) {
this.assumeExistence = !!assume;
};
/**
* Set link missing data
*
* Stored separately from the full link data cache
*
* @param {Object} entries Object keyed by page title, with the values being data objects
*/
ve.init.mw.LinkCache.prototype.setMissing = function ( entries ) {
var name, missingEntries = {};
for ( name in entries ) {
missingEntries[ '_missing/' + name ] = entries[ name ];
}
this.set( missingEntries );
};
/**
* @inheritdoc
*/
ve.init.mw.LinkCache.prototype.get = function ( title ) {
var data = {};
if ( this.assumeExistence ) {
data[ this.constructor.static.normalizeTitle( title ) ] = { missing: false };
this.setMissing( data );
}
// Parent method
return ve.init.mw.LinkCache.super.prototype.get.call( this, title );
};
/**
* @inheritdoc
*/
ve.init.mw.LinkCache.prototype.getRequestPromise = function ( subqueue ) {
return new mw.Api().get( {
action: 'query',
prop: 'info|pageprops|pageimages|pageterms',
pithumbsize: 80,
pilimit: subqueue.length,
wbptterms: 'description',
ppprop: 'disambiguation',
titles: subqueue.join( '|' ),
continue: ''
} );
};
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