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ext.uls.preferences.js
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/*!
* ULS preferences system for MediaWiki.
* Localstorage for anonymous users, preferences for logged in users.
*
* Copyright (C) 2012 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
* Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
* contributors. See CREDITS for a list.
*
* UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
* have to do anything special to choose one license or the other and you don't
* have to notify anyone which license you are using. You are free to use
* UniversalLanguageSelector in commercial projects as long as the copyright
* header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
*
* @file
* @ingroup Extensions
* @licence GNU General Public Licence 2.0 or later
* @licence MIT License
*/
( function () {
'use strict';
var ULSPreferences, instance;
ULSPreferences = function () {
// This violates coding conventions for localstorage:
// https://www.mediawiki.org/wiki/Manual:Coding_conventions/JavaScript#Keys
this.preferenceName = 'uls-preferences';
this.username = mw.user.getName();
this.isNamed = mw.user.isNamed();
this.preferences = null;
this.init();
};
ULSPreferences.prototype = {
init: function () {
if ( this.isNamed ) {
try {
this.preferences = JSON.parse( mw.user.options.get( this.preferenceName ) );
} catch ( e ) {
}
} else {
this.preferences = mw.storage.getObject( this.preferenceName );
}
if ( !$.isPlainObject( this.preferences ) ) {
this.preferences = {};
}
},
/**
* Set the preference
*
* @param {string} key
* @param {Mixed} value
*/
set: function ( key, value ) {
this.preferences[ key ] = value;
},
/**
* Get a preference value for the given preference name
*
* @param {string} key
* @return {Mixed}
*/
get: function ( key ) {
return this.preferences[ key ];
},
/**
* Save the preferences
*
* @param {Function} callback
*/
save: function ( callback ) {
var self = this;
callback = callback || function () {};
if ( this.isNamed ) {
// Registered user. Use MW APIs to change preferences
new mw.Api().saveOption(
this.preferenceName,
JSON.stringify( this.preferences )
).done( function () {
callback.call( self, true );
} ).fail( function () {
callback.call( self, false );
} );
} else {
// Anonymous user. Save preferences in local storage
mw.storage.setObject( this.preferenceName, this.preferences );
callback.call( this, true );
}
}
};
module.exports = function () {
instance = instance || new ULSPreferences();
return instance;
};
}() );

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