USER:JPXG CAT-A-LITTLE.JS

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/**

* Cat-a-lot

* Changes category of multiple files

*

* @rev 00:13, 10 February 2018 (UTC)

* @author Originally by Magnus Manske (2007)

* @author RegExes by Ilmari Karonen (2010)

* @author Completely rewritten by DieBuche (2010-2012)

* @author Rillke (2012-2014)

* @author Perhelion (2017)



* Requires [[MediaWiki:Gadget-SettingsManager.js]] and [[MediaWiki:Gadget-SettingsUI.js]] (properly registered) for per-user-settings

*

* READ THIS PAGE IF YOU WANT TO TRANSLATE OR USE THIS ON ANOTHER SITE:

* http://commons.wikimedia.org/wiki/MediaWiki:Gadget-Cat-a-lot.js/translating

* <nowiki>

*/



/* global jQuery, mediaWiki */

/* eslint one-var:0, vars-on-top:0, no-underscore-dangle:0, valid-jsdoc:0,

curly:0, camelcase:0, no-useless-escape:0, no-alert:0 */ // extends: wikimedia

/* jshint unused:true, forin:false, smarttabs:true, loopfunc:true, browser:true */



( function ( $, mw ) {

'use strict';



var formattedNS = mw.config.get( 'wgFormattedNamespaces' ),

	ns = mw.config.get( 'wgNamespaceNumber' ),

	nsIDs = mw.config.get( 'wgNamespaceIds' ),

	userGrp = mw.config.get( 'wgUserGroups' ),

	project = mw.config.get( 'wgDBname' );



var msgs = {

// Preferences

// new: added 2012-09-19. Please translate.

// Use user language for i18n

	'cat-a-lot-watchlistpref': 'Watchlist preference concerning files edited with Cat-a-lot',

	'cat-a-lot-watch_pref': 'According to your general preferences',

	'cat-a-lot-watch_nochange': 'Do not change watchstatus',

	'cat-a-lot-watch_watch': 'Watch pages edited with Cat-a-lot',

	'cat-a-lot-watch_unwatch': 'Remove pages while editing with Cat-a-lot from your watchlist',

	'cat-a-lot-minorpref': 'Mark edits as minor (if you generally mark your edits as minor, this won’t change anything)',

	'cat-a-lot-editpagespref': 'Allow categorising pages (including categories) that are not files',

	'cat-a-lot-docleanuppref': 'Remove {{Check categories}} and other minor cleanup',

	'cat-a-lot-uncatpref': 'Remove {{Uncategorized}}',

	'cat-a-lot-subcatcountpref': 'Sub-categories to show at most',

	'cat-a-lot-config-settings': 'Preferences',

	'cat-a-lot-buttonpref': 'Use buttons instead of text-links',

	'cat-a-lot-comment-label': 'Custom edit comment',



	// Progress

	'cat-a-lot-loading': 'Loading…',

	'cat-a-lot-editing': 'Editing page',

	'cat-a-lot-of': 'of ',

	'cat-a-lot-skipped-already': 'The following {{PLURAL:$1|1=page was|$1 pages were}} skipped, because the page was already in the category:',

	'cat-a-lot-skipped-not-found': 'The following {{PLURAL:$1|1=page was|$1 pages were}} skipped, because the old category could not be found:',

	'cat-a-lot-skipped-server': 'The following {{PLURAL:$1|1=page|$1 pages}} couldn’t be changed, since there were problems connecting to the server:',

	'cat-a-lot-all-done': 'All pages are processed.',

	'cat-a-lot-done': 'Done!', // mw.msg("Feedback-close")

	'cat-a-lot-added-cat': 'Added category $1',

	'cat-a-lot-copied-cat': 'Copied to category $1',

	'cat-a-lot-moved-cat': 'Moved to category $1',

	'cat-a-lot-removed-cat': 'Removed from category $1',

	// 'cat-a-lot-return-to-page': 'Return to page',

	// 'cat-a-lot-cat-not-found': 'Category not found.',



	// as in 17 files selected

	'cat-a-lot-files-selected': '{{PLURAL:$1|1=One file|$1 files}} selected.',

	'cat-a-lot-pe_file': '$1 {{PLURAL:$1|page|pages}} of $2 affected',

	'cat-a-lot-parent-cat': 'Has parent-category: ',

	'cat-a-lot-sub-cat': 'Has sub-category: ',



	// Actions

	'cat-a-lot-copy': 'Copy',

	'cat-a-lot-move': 'Move',

	'cat-a-lot-add': 'Add',

	// 'cat-a-lot-remove-from-cat': 'Remove from this category',

	'cat-a-lot-overcat': 'Check over-categorization',

	'cat-a-lot-enter-name': 'Enter category name',

	'cat-a-lot-select': 'Select',

	'cat-a-lot-all': 'all',

	'cat-a-lot-none': 'none',

	// 'cat-a-lot-none-selected': 'No files selected!', 'Ooui-selectfile-placeholder'



	// Summaries (project language):

	'cat-a-lot-pref-save-summary': 'Updating user preferences',

	'cat-a-lot-summary-add': 'Adding [[Category:$1]]',

	'cat-a-lot-summary-copy': 'Copying from [[Category:$1]] to [[Category:$2]]',

	'cat-a-lot-summary-move': 'Moving from [[Category:$1]] to [[Category:$2]]',

	'cat-a-lot-summary-remove': 'Removing from [[Category:$1]]',

	'cat-a-lot-prefix-summary': '',

	'cat-a-lot-using-summary': ' using [[c:Help:Cat-a-lot|Cat-a-lot]]'

};

mw.messages.set( msgs );



function msg( /* params */ ) {

	var args = Array.prototype.slice.call( arguments, 0 );

	args 0  = 'cat-a-lot-' + args 0 ];

	return ( args.length === 1 ) ?

		mw.message( args 0  ).plain() :

		mw.message.apply( mw.message, args ).parse();

}



// There is only one Cat-a-lot on one page

var $body, $container, $dataContainer, $searchInputContainer, $searchInput, $resultList, $markCounter, $selections,

	$selectFiles, $selectPages, $selectNone, $selectInvert, $settingsWrapper, $settingsLink, $head, $link, $overcat,

	commonsURL = 'https://commons.wikimedia.org/',

	is_rtl = $( 'body' ).hasClass( 'rtl' ),

	reCat, // localized category search regexp

	non,

	r; // result file count for overcat



var CAL = mw.libs.catALot = {

	apiUrl: mw.util.wikiScript( 'api' ),

	origin: '',

	searchmode: false,

	version: '4.77',

	setHeight: 450,

	changeTag: 'Cat-a-lot',



	settings: {

	/* Any category in this category is deemed a disambiguation category; i.e., a category that should not contain

any items, but that contains links to other categories where stuff should be categorized. If you don't have

that concept on your wiki, set it to null. Use blanks, not underscores. */

		disambig_category: 'Disambiguation', // Commons and EnWP

		/* Any category in this category is deemed a (soft) redirect to some other category defined by a link

* to another non-blacklisted category. If your wiki doesn't have soft category redirects, set this to null.

* If a soft-redirected category contains more than one link to another non-blacklisted category, it's considered

* a disambiguation category instead. */

		redir_category: 'Category redirects'



	},



	init: function () {

		// Prevent historical double marker (maybe remove in future)

		if ( /Cat-?a-?lot/i.test( msgs 'cat-a-lot-pref-save-summary'  ) ) { mw.messages.set( { 'cat-a-lot-prefix-summary': '', 'cat-a-lot-using-summary': '' } ); } else {

			mw.messages.set( {

				'cat-a-lot-pref-save-summary': msgs 'cat-a-lot-prefix-summary'  + msgs 'cat-a-lot-pref-save-summary'  + msgs 'cat-a-lot-using-summary' 

			} );

		}



		// TODO: better extern project support for possible change-tag? (needs currently change after init)

		if ( project === 'commonswiki' ) { mw.messages.set( { 'cat-a-lot-using-summary': '' } ); } else { // Reset

			this.changeTag = '';

			this.settings.redir_category = '';

		}



		this._initSettings();

		$body = $( document.body );

		$container = $( '<div>' )

			.attr( 'id', 'cat_a_lot' )

			.appendTo( $body );

		$dataContainer = $( '<div>' )

			.attr( 'id', 'cat_a_lot_data' )

			.appendTo( $container );

		$searchInputContainer = $( '<div>' )

			.appendTo( $dataContainer );

		$searchInput = $( '<input>', {

			id: 'cat_a_lot_searchcatname',

			placeholder: msg( 'enter-name' ),

			type: 'text'

		} )

			.appendTo( $searchInputContainer );

		$resultList = $( '<div>' )

			.attr( 'id', 'cat_a_lot_category_list' )

			.appendTo( $dataContainer );

		$markCounter = $( '<div>' )

			.attr( 'id', 'cat_a_lot_mark_counter' )

			.appendTo( $dataContainer );

		$selections = $( '<div>' )

			.attr( 'id', 'cat_a_lot_selections' )

			.text( msg( 'select' ) + ':' )

			.appendTo( $dataContainer );

		$settingsWrapper = $( '<div>' )

			.attr( 'id', 'cat_a_lot_settings' )

			.appendTo( $dataContainer );

		$settingsLink = $( '<a>', {

			id: 'cat_a_lot_config_settings',

			title: 'Version ' + this.version,

			text: msg( 'config-settings' )

		} )

			.appendTo( $settingsWrapper );

		$head = $( '<div>' )

			.attr( 'id', 'cat_a_lot_head' )

			.appendTo( $container );

		$link = $( '<a>' )

			.attr( 'id', 'cat_a_lot_toggle' )

			.text( 'Cat-a-lot' )

			.appendTo( $head );

		$settingsWrapper.append( $( '<a>', {

			href: commonsURL + '?title=Special:MyLanguage/Help:Gadget-Cat-a-lot',

			target: '_blank',

			style: 'float:right',

			title: ( $( '#n-help a' ).attr( 'title' ) || '' ) + ' (v. ' + this.version + ')'

		} ).text( '?' ) );

		$container.one( 'mouseover', function () { // Try load on demand earliest as possible

			mw.loader.load(  'jquery.ui' );

		} );



		if ( this.origin && !non ) {

			$overcat = $( '<a>' )

				.attr( 'id', 'cat_a_lot_overcat' )

				.html( msg( 'overcat' ) )

				.on( 'click', function ( e ) {

					CAL.getOverCat( e );

				} )

				.insertBefore( $selections );

		}



		if ( ( mw.util.getParamValue( 'withJS' ) === 'MediaWiki:Gadget-Cat-a-lot.js' &&

			!mw.util.getParamValue( 'withCSS' ) ) ||

			mw.loader.getState( 'ext.gadget.Cat-a-lot' ) === 'registered' ) {

			mw.loader.load( mw.config.get( 'wgServer' ) + '/?title=MediaWiki:Gadget-Cat-a-lot.css&action=raw&ctype=text/css', 'text/css' );

			// importStylesheet( 'MediaWiki:Gadget-Cat-a-lot.css' );

		}



		reCat = new RegExp( '^\\s*' + CAL.localizedRegex( 14, 'Category' ) + ':', '' );



		$searchInput.on( 'keypress', function ( e ) {

			if ( e.which === 13 ) {

				CAL.updateCats( $.trim( $( this ).val().replace( /[\u200E\u200F\u202A-\u202E]/g, '' ) ) );

				mw.cookie.set( 'catAlot', CAL.currentCategory );

			}

		} )

			.on( 'input keyup', function () {

				var oldVal = this.value,

					newVal = oldVal.replace( reCat, '' );

				if ( newVal !== oldVal ) { this.value = newVal; }



				if ( !newVal ) { mw.cookie.set( 'catAlot', null ); }

			} );



		function initAutocomplete() {

			if ( CAL.autoCompleteIsEnabled ) { return; }



			CAL.autoCompleteIsEnabled = true;



			if ( !$searchInput.val() && mw.cookie && mw.cookie.get( 'catAlot' ) ) { $searchInput.val( mw.cookie.get( 'catAlot' ) ); }



			$searchInput.autocomplete( {

				source: function ( request, response ) {

					CAL.doAPICall( {

						action: 'opensearch',

						search: request.term,

						redirects: 'resolve',

						namespace: 14

					}, function ( data ) {

						if ( data 1  ) {

							response( $( data 1  )

								.map( function ( index, item ) {

									return item.replace( reCat, '' );

								} ) );

						}



					} );

				},

				open: function () {

					$( '.ui-autocomplete' )

						.position( {

							my: is_rtl ? 'left bottom' : 'right bottom',

							at: is_rtl ? 'left top' : 'right top',

							of: $searchInput

						} );

				},

				appendTo: '#cat_a_lot'

			} );

		}

		$( '<a>' )

		// .attr( 'id', 'cat_a_lot_select_all' )

			.text( msg( 'all' ) )

			.on( 'click', function () {

				CAL.toggleAll( true );

			} )

			.appendTo( $selections.append( ' ' ) );

		if ( this.settings.editpages ) {

			$selectFiles = $( '<a>' )

				.on( 'click', function () {

					CAL.toggleAll( 'files' );

				} );

			$selectPages = $( '<a>' )

				.on( 'click', function () {

					CAL.toggleAll( 'pages' );

				} );

			$selections.append( $( '<span>' ).hide().append(  ' / ', $selectFiles, ' / ', $selectPages  ) );

		}

		$selectNone = $( '<a>' )

		// .attr( 'id', 'cat_a_lot_select_none' )

			.text( msg( 'none' ) )

			.on( 'click', function () {

				CAL.toggleAll( false );

			} );

		$selectInvert = $( '<a>' )

			.on( 'click', function () {

				CAL.toggleAll( null );

			} );

		$selections.append(  ' • ', $selectNone, ' • ', $selectInvert,

			$( '<div>' ).append( 

				$( '<input>' )

					.attr( {

						id: 'cat_a_lot_comment',

						type: 'text',

						placeholder: msg( 'comment-label' )

					} )

			 )

		 );



		$link

			.on( 'click', function () {

				$( this ).toggleClass( 'cat_a_lot_enabled' );

				// Load autocomplete on demand

				mw.loader.using( 'jquery.ui', initAutocomplete );



				if ( !CAL.executed ) {

					$.when( mw.loader.using( 

						'jquery.ui',

						'jquery.ui',

						'jquery.ui',

						'mediawiki.api',

						'mediawiki.jqueryMsg'

					 ), $.ready )

						.then( function () {

							return new mw.Api().loadMessagesIfMissing( 

								'Cancel',

								'Categorytree-not-found',

								// 'Checkuser-all',

								// 'Code-field-select',

								// 'Export-addcat',

								'Filerevert-submit',

								'Mobile-frontend-return-to-page',

								'Ooui-selectfile-placeholder',

								// 'Visualeditor-clipboard-copy',

								'Prefs-files',

								'Categories',

								'Checkbox-invert',

								'Centralnotice-remove', // 'Ooui-item-remove'

								'Apifeatureusage-warnings'

							 );

						} ).then( function () {

							CAL.run();

						} );

				} else { CAL.run(); }

			} );

		$settingsLink

			.on( 'click', CAL.manageSettings );

		this.localCatName = formattedNS 14  + ':';

		mw.loader.using( 'mediawiki.cookie', function () { // Let catAlot stay open

			var val = mw.cookie.get( 'catAlotO' );

			if ( val && Number( val ) === ns ) { $link.click(); }

		}

		);

	},



	getOverCat: function ( e ) {

		var files = [];

		r = 0; // result counter

		if ( e ) {

			e.preventDefault();

			this.files = this.getMarkedLabels(); // .toArray() not working

			for ( var f = 0; f < this.files.length; f++ ) { files.push( this.files f  ); }



		}

		if ( !files.length || !( files instanceof Array ) ) { return alert( mw.msg( 'Ooui-selectfile-placeholder' ) ); }

		this.files = files;

		mw.loader.using(  'jquery.spinner' ], function () {

			$markCounter.injectSpinner( 'overcat' );

			CAL.getFileCats();

		} );

	},



	getFileCats: function () {

		var aLen = this.files.length;

		var bLen = this.selectedLabels.length;

		var file = this.files aLen - 1 ][ 0 ];

		$overcat.text( '…' + aLen + '\/' + bLen );

		if ( file ) {

			this.doAPICall( {

				prop: 'categories',

				titles: file

			}, this.checkFileCats

			);

		}



	},



	checkFileCats: function ( data ) {

		var cc = 0; // current cat counter;

		var file = CAL.files.pop();

		if ( data.query && data.query.pages ) {

			$.each( data.query.pages, function ( id, page ) {

				if ( page.categories ) {

					var target = file 1 ].removeClass( 'cat_a_lot_selected' );

					$.each( page.categories, function ( c, cat ) {

						var title = cat.title.replace( reCat, '' ),

							color = 'orange',

							mark = function ( kind ) { // kind of category

							// TODO: store data to use this for special remove function

								if ( kind === 'sub' ) { color = 'green'; }

								var border = '3px dotted ';

								if ( $.inArray( title, CAL kind + 'Cats'  ) !== -1 ) {

									cc++;

									target = target.parents( '.gallerybox' );

									target = target 0  ? target : file 1 ];

									target.css( {

										border: border + color

									} ).prop( 'title', msg( kind + '-cat' ) + title );

									color = 'red';

									return false;

								}

							};

						mark( 'sub' );

						return mark( 'parent' );

					} );

					if ( cc ) { r++; }

				}

			} );

		} else { mw.log( 'Api-fail', file, data ); }

		if ( CAL.files 0  ) { return setTimeout( function () { CAL.getFileCats(); }, 100 ); } // Api has bad performance here, so we can get only each file separately

		$overcat.text( msg( 'pe_file', r, CAL.selectedLabels.length ) );

		$.removeSpinner( 'overcat' );

	},



	findAllLabels: function ( searchmode ) {

	// It's possible to allow any kind of pages as well but what happens if you click on "select all" and don't expect it

		switch ( searchmode ) {

			case 'search':

				this.labels = this.labels.add( $( 'table.searchResultImage' ).find( 'tr>td:eq(1)' ) );

				if ( this.settings.editpages ) { this.labels = this.labels.add( 'div.mw-search-result-heading' ); }



				break;

			case 'category':

				this.findAllLabels( 'gallery' );

				this.labels = this.labels.add( $( '#mw-category-media' ).find( 'li[class!="gallerybox"]' ) );

				if ( this.settings.editpages ) {

					this.pageLabels = $( '#mw-pages, #mw-subcategories' ).find( 'li' );

					// this.files = this.labels;

					this.labels = this.labels.add( this.pageLabels );

				}

				break;

			case 'contribs':

				this.labels = this.labels.add( $( 'ul.mw-contributions-list li' ) );

				// FIXME: Filter if !this.settings.editpages

				break;

			case 'prefix':

				this.labels = this.labels.add( $( 'ul.mw-prefixindex-list li' ) );

				break;

			case 'listfiles':

			// this.labels = this.labels.add( $( 'table.listfiles>tbody>tr' ).find( 'td:eq(1)' ) );

				this.labels = this.labels.add( $( '.TablePager_col_img_name' ) );

				break;

			case 'gallery':

			// this.labels = this.labels.add( '.gallerybox' ); // TODO incombatible with GalleryDetails

				this.labels = this.labels.add( '.gallerytext' );

				break;

		}

	},



	getTitleFromLink: function ( $a ) {

		try {

			return decodeURIComponent( $a.attr( 'href' ) )

				.match( /wiki\/(.+?)(?:#.+)?$/ )[ 1 ].replace( /_/g, ' ' );

		} catch ( ex ) {

			return '';

		}

	},



	/**

	 *  @brief Get title from selected pages

	 *  @return [array] touple of page title and $object

	 */

	// this function is used in [[MediaWiki:Gadget-ACDC.js]], please avoid making incompatible changes ☺

	getMarkedLabels: function () {

		this.selectedLabels = this.labels.filter( '.cat_a_lot_selected:visible' );

		return this.selectedLabels.map( function () {

			var label = $( this ), file = label.find( 'a[title][class$="title"]' );

			file = file.length ? file : label.find( 'a[title]' );

			var title = file.attr( 'title' ) ||

CAL.getTitleFromLink( file ) ||

CAL.getTitleFromLink( label.find( 'a' ) ) ||

CAL.getTitleFromLink( label.parent().find( 'a' ) ); // TODO needs optimization

			if ( title.indexOf( formattedNS 2  + ':' ) ) { return   title, label  ]; }

		} );

	},



	updateSelectionCounter: function () {

		this.selectedLabels = this.labels.filter( '.cat_a_lot_selected:visible' );

		var first = $markCounter.is( ':hidden' );

		$markCounter

			.html( msg( 'files-selected', this.selectedLabels.length ) )

			.show();

		if ( first && !$dataContainer.is( ':hidden' ) ) { // Workaround to fix position glitch

			first = $markCounter.innerHeight();

			$container

				.offset( { top: $container.offset().top - first } )

				.height( $container.height() + first );

			$( window ).on( 'beforeunload', function () {

				if ( CAL.labels.filter( '.cat_a_lot_selected:visible' )[ 0  ) { return 'You have pages selected!'; } // There is a default message in the browser

			} );

		}

	},



	makeClickable: function () {

		this.labels = $();

		this.pageLabels = $(); // only for distinct all selections

		this.findAllLabels( this.searchmode );

		this.labels.catALotShiftClick( function () {

			CAL.updateSelectionCounter();

		} )

			.addClass( 'cat_a_lot_label' );

	},



	toggleAll: function ( select ) {

		if ( typeof select === 'string' && this.pageLabels 0  ) {

			this.pageLabels.toggleClass( 'cat_a_lot_selected', true );

			if ( select === 'files' ) // pages get deselected

			{ this.labels.toggleClass( 'cat_a_lot_selected' ); }

		} else {

		// invert / none / all

			this.labels.toggleClass( 'cat_a_lot_selected', select );

		}

		this.updateSelectionCounter();

	},



	getSubCats: function () {

		var data = {

			list: 'categorymembers',

			cmtype: 'subcat',

			cmlimit: this.settings.subcatcount,

			cmtitle: 'Category:' + this.currentCategory

		};



		this.doAPICall( data, function ( result ) {

			var cats = ( result && result.query && result.query.categorymembers ) || [];

			CAL.subCats = [];

			for ( var i = 0; i < cats.length; i++ ) { CAL.subCats.push( cats i ].title.replace( /^[^:]+:/, '' ) ); }



			CAL.catCounter++;

			if ( CAL.catCounter === 2 ) { CAL.showCategoryList(); }



		} );

	},



	getParentCats: function () {

		var data = {

			prop: 'categories',

			titles: 'Category:' + this.currentCategory

		};

		this.doAPICall( data, function ( result ) {

			if(!result) return;

			CAL.parentCats = [];

			var cats,

				pages = result.query.pages,

				table = $( '<table>' );



			if ( pages -1  && pages -1 ].missing === '' ) {

				$resultList.html( '<span id="cat_a_lot_no_found">' + mw.msg( 'Categorytree-not-found', this.currentCategory ) + '</span>' );

				document.body.style.cursor = 'auto';

				CAL.createCatLinks( '→',  CAL.currentCategory ], table );

				$resultList.append( table );

				return;

			}

			// there should be only one, but we don't know its ID

			for ( var id in pages ) { cats = pages id ].categories || []; }



			for ( var i = 0; i < cats.length; i++ ) { CAL.parentCats.push( cats i ].title.replace( /^[^:]+:/, '' ) ); }



			CAL.catCounter++;

			if ( CAL.catCounter === 2 ) { CAL.showCategoryList(); }



		} );

	},



	localizedRegex: function ( namespaceNumber, fallback ) {

	// Copied from HotCat, thanks Lupo.

		var wikiTextBlank = '[\\t _\\xA0\\u1680\\u180E\\u2000-\\u200A\\u2028\\u2029\\u202F\\u205F\\u3000]+';

		var wikiTextBlankRE = new RegExp( wikiTextBlank, 'g' );

		var createRegexStr = function ( name ) {

			if ( !name || !name.length ) { return ''; }



			var regexName = '';

			for ( var i = 0; i < name.length; i++ ) {

				var ii = name i ];

				var ll = ii.toLowerCase();

				var ul = ii.toUpperCase();

				regexName += ( ll === ul ) ? ii : '[' + ll + ul + ']';

			}

			return regexName.replace( /([\\\^\$\.\?\*\+\(\)])/g, '\\$1' )

				.replace( wikiTextBlankRE, wikiTextBlank );

		};



		fallback = fallback.toLowerCase();

		var canonical = formattedNS namespaceNumber ].toLowerCase();

		var RegexString = createRegexStr( canonical );

		if ( fallback && canonical !== fallback ) { RegexString += '|' + createRegexStr( fallback ); }



		for ( var catName in nsIDs ) { if ( typeof catName === 'string' && catName.toLowerCase() !== canonical && catName.toLowerCase() !== fallback && nsIDs catName  === namespaceNumber ) { RegexString += '|' + createRegexStr( catName ); } }



		return ( '(?:' + RegexString + ')' );

	},



	regexCatBuilder: function ( category ) {

		var catname = this.localizedRegex( 14, 'Category' );



		// Build a regexp string for matching the given category:

		// trim leading/trailing whitespace and underscores

		category = category.replace( /^[\s_]+|[\s_]+$/g, '' );



		// escape regexp metacharacters (= any ASCII punctuation except _)

		category = mw.util.escapeRegExp( category );



		// any sequence of spaces and underscores should match any other

		category = category.replace( /[\s_]+/g, '[\\s_]+' );



		// Make the first character case-insensitive:

		var first = category.substr( 0, 1 );

		if ( first.toUpperCase() !== first.toLowerCase() ) { category = '[' + first.toUpperCase() + first.toLowerCase() + ']' + category.substr( 1 ); }



		// Compile it into a RegExp that matches MediaWiki category syntax (yeah, it looks ugly):

		// XXX: the first capturing parens are assumed to match the sortkey, if present, including the | but excluding the ]]

		return new RegExp( '\\[\\[[\\s_]*' + catname + '[\\s_]*:[\\s_]*' + category + '[\\s_]*(\\|[^\\]]*(?:\\][^\\]]+)*)?\\]\\]\\s*', 'g' );

	},



	getContent: function ( page, targetcat, mode ) {

		if ( !this.cancelled ) {

			this.doAPICall( {

				curtimestamp: 1,

				// meta: 'tokens',

				prop: 'revisions',

				rvprop: 'content|timestamp',

				titles: page 0 

			}, function ( result ) {

				CAL.editCategories( result, page, targetcat, mode );

			} );

		}



	},



	getTargetCat: function ( pages, targetcat, mode ) {

		if ( !this.cancelled ) {

			this.doAPICall( {

				meta: 'tokens',

				prop: 'categories|categoryinfo',

				titles: 'Category:' + targetcat

			}, function ( result ) {

				if ( !result || !result.query ) { return; }

				CAL.edittoken = result.query.tokens.csrftoken;

				result = CAL._getPageQuery( result );

				CAL.checkTargetCat( result );

				for ( var i = 0; i < pages.length; i++ ) { CAL.getContent( pages i ], targetcat, mode ); }



			} );

		}



	},



	checkTargetCat: function ( page ) {

		var is_dab = false; // disambiguation

		var is_redir = typeof page.redirect === 'string'; // Hard redirect?

		if ( typeof page.missing === 'string' ) { return alert( mw.msg( 'Apifeatureusage-warnings', mw.msg( 'Categorytree-not-found', page.title ) ) ); }

		var cats = page.categories;

		this.is_hidden = page.categoryinfo && typeof page.categoryinfo.hidden === 'string';



		if ( !is_redir && cats && ( CAL.disambig_category || CAL.redir_category ) ) {

			for ( var c = 0; c < cats.length; c++ ) {

				var cat = cats c ].title;

				if ( cat ) { // Strip namespace prefix

					cat = cat.substring( cat.indexOf( ':' ) + 1 ).replace( /_/g, ' ' );

					if ( cat === CAL.disambig_category ) {

						is_dab = true; break;

					} else if ( cat === CAL.redir_category ) {

						is_redir = true; break;

					}

				}

			}

		}



		if ( !is_redir && !is_dab ) { return; }

		alert( mw.msg( 'Apifeatureusage-warnings', page.title + ' is a ' + CAL.disambig_category ) );

	},



	// Remove {{Uncategorized}} (also with comment). No need to replace it with anything.

	removeUncat: function ( text ) {

		return ( this.settings.uncat ? text.replace( /\{\{\s*[Uu]ncategorized\s*[^}]*\}\}\s*(<!--.*?-->\s*)?/, '' ) : text );

	},



	doCleanup: function ( text ) {

		return ( this.settings.docleanup ? text.replace( /\{\{\s*[Cc]heck categories\s*(\|?.*?)\}\}/, '' ) : text );

	},



	editCategories: function ( result, file, targetcat, mode ) {

		if ( !result || !result.query ) {

		// Happens on unstable wifi connections..

			this.connectionError.push( file 0  );

			this.updateCounter();

			return;

		}

		var otext,

			timestamp,

			page = CAL._getPageQuery( result );

		if ( !page || page.ns === 2 ) { return; }

		var id = page && page.revisions && page.revisions 0 ],

			catNS = this.localCatName; // canonical cat-name



		if (!id) {

			return;

		}

		this.starttimestamp = result.curtimestamp;

		otext = id '*' ];

		timestamp = id.timestamp;



		var sourcecat = this.origin;

		// Check if that file is already in that category

		if ( mode !== 'remove' && this.regexCatBuilder( targetcat ).test( otext ) ) {

			// If the new cat is already there, just remove the old one

			if ( mode === 'move' ) {

				mode = 'remove';

				targetcat = sourcecat;

			} else {

				this.alreadyThere.push( file 0  );

				this.updateCounter();

				return;

			}

		}



		// Text modification (following 3 functions are partialy taken from HotCat)

		var wikiTextBlankOrBidi = '[\\t _\\xA0\\u1680\\u180E\\u2000-\\u200B\\u200E\\u200F\\u2028-\\u202F\\u205F\\u3000]*';

		// Whitespace regexp for handling whitespace between link components. Including the horizontal tab, but not \n\r\f\v:

		// a link must be on one single line.

		// MediaWiki also removes Unicode bidi override characters in page titles (and namespace names) completely.

		// This is *not* handled, as it would require us to allow any of [\u200E\u200F\u202A-\u202E] between any two

		// characters inside a category link. It _could_ be done though... We _do_ handle strange spaces, including the

		// zero-width space \u200B, and bidi overrides between the components of a category link (adjacent to the colon,

		// or adjacent to and inside of "[[" and "]]").

		var findCatsRE = new RegExp( '\\[\\[' + wikiTextBlankOrBidi + this.localizedRegex( 14, 'Category' ) + wikiTextBlankOrBidi + ':[^\\]]+\\]\\]', 'g' );



		function replaceByBlanks( match ) {

			return match.replace( /(\s|\S)/g, ' ' ); // /./ doesn't match linebreaks. /(\s|\S)/ does.

		}



		function find_insertionpoint( wikitext ) {

			var copiedtext = wikitext

				.replace( /<!--(\s|\S)*?-->/g, replaceByBlanks )

				.replace( /<nowiki>(\s|\S)*?<\/nowiki>/g, replaceByBlanks );

			// Search in copiedtext to avoid that we insert inside an HTML comment or a nowiki "element".

			var index = -1;

			findCatsRE.lastIndex = 0;

			while ( findCatsRE.exec( copiedtext ) !== null ) { index = findCatsRE.lastIndex; }



			return index;

		}



		/**

*  @brief Adds the new Category by searching the right insert point,

*         if there is text after the category section

*  @param [string] wikitext

*  @param [string] toAdd

*  @return Return wikitext

*/

		function addCategory( wikitext, toAdd ) {

			if ( toAdd && toAdd 0  ) {

			// TODO: support sort key

				var cat_point = find_insertionpoint( wikitext ); // Position of last category

				var newcatstring = '[[' + catNS + toAdd + ']]';

				if ( cat_point > -1 ) {

					var suffix = wikitext.substring( cat_point );

					wikitext = wikitext.substring( 0, cat_point ) + ( cat_point ? '\n' : '' ) + newcatstring;

					if ( suffix 0  && suffix.substr( 0, 1 ) !== '\n' ) { wikitext += '\n'; }

					wikitext += suffix;

				} else {

					if ( wikitext 0  && wikitext.substr( wikitext.length - 1, 1 ) !== '\n' ) { wikitext += '\n'; }



					wikitext += ( wikitext 0  ? '\n' : '' ) + newcatstring;

				}

			}

			return wikitext;

		}

		// End HotCat functions



		var text = otext,

			arr = is_rtl ? '\u2190' : '\u2192', // left and right arrows. Don't use ← and → in the code.

			sumCmt, // summary comment

			sumCmtShort;

		// Fix text

		switch ( mode ) {

			case 'add':

				text = addCategory( text, targetcat );

				sumCmt = msg( 'summary-add' ).replace( /\$1/g, targetcat );

				sumCmtShort = '+[[' + catNS + targetcat + ']]';

				break;

			case 'copy':

				text = text.replace( this.regexCatBuilder( sourcecat ), '[[' + catNS + sourcecat + '$1]]\n[[' + catNS + targetcat + '$1]]\n' );

				sumCmt = msg( 'summary-copy' ).replace( /\$1/g, sourcecat ).replace( /\$2/g, targetcat );

				sumCmtShort = '+[[' + catNS + sourcecat + ']]' + arr + '[[' + catNS + targetcat + ']]';

				// If category is added through template:

				if ( otext === text ) { text = addCategory( text, targetcat ); }



				break;

			case 'move':

				text = text.replace( this.regexCatBuilder( sourcecat ), '[[' + catNS + targetcat + '$1]]\n' );

				sumCmt = msg( 'summary-move' ).replace( /\$1/g, sourcecat ).replace( /\$2/g, targetcat );

				sumCmtShort = '±[[' + catNS + sourcecat + ']]' + arr + '[[' + catNS + targetcat + ']]';

				break;

			case 'remove':

				text = text.replace( this.regexCatBuilder( targetcat ), '' );

				sumCmt = msg( 'summary-remove' ).replace( /\$1/g, targetcat );

				sumCmtShort = '-[[' + catNS + targetcat + ']]';

				break;

		}



		if ( text === otext ) {

			this.notFound.push( file 0  );

			this.updateCounter();

			return;

		}

		otext = text;



		// Remove {{uncat}} after we checked whether we changed the text successfully.

		// Otherwise we might fail to do the changes, but still replace {{uncat}}

		if ( mode !== 'remove' && ( !non || userGrp.indexOf( 'autoconfirmed' ) > -1 ) ) {

			if ( !this.is_hidden ) {

				text = this.removeUncat( text );

				if ( text.length !== otext.length ) { sumCmt += '; ' + msg( 'uncatpref' ); }

			}

			text = this.doCleanup( text );

		}



		sumCmt += this.summary ? ' ' + this.summary : '';



		var preM = msg( 'prefix-summary' );

		var usgM = msg( 'using-summary' );

		// Try shorten summary

		if ( preM || usgM )	{

			sumCmt = ( sumCmt.length > 250 - preM.length - usgM.length ) ?

				sumCmt + ' (CatAlot)' : preM + sumCmt + usgM;

		}



		if ( sumCmt.length > 254 ) // Try short summary

		{ sumCmt = sumCmtShort; }



		var data = {

			action: 'edit',

			assert: 'user',

			summary: sumCmt,

			title: file 0 ],

			text: text,

			bot: true,

			starttimestamp: this.starttimestamp,

			basetimestamp: timestamp,

			watchlist: this.settings.watchlist,

			minor: this.settings.minor,

			tags: this.changeTag,

			token: this.edittoken

		};



		this.doAPICall( data, function ( r ) {

			delete CAL.XHR file 0  ];

			return CAL.updateUndoCounter( r );

		} );

		this.markAsDone( file 1 ], mode, targetcat );

	},



	markAsDone: function ( label, mode, targetcat ) {

		mode = ( function ( m ) {

			switch ( m ) {

				case 'add': return 'added-cat';

				case 'copy': return 'copied-cat';

				case 'move': return 'moved-cat';

				case 'remove': return 'removed-cat';

			}

		}( mode ) );

		label.addClass( 'cat_a_lot_markAsDone' ).append( '<br>' + msg( mode, targetcat ) );

	},



	updateUndoCounter: function ( r ) {

		this.updateCounter();

		if ( !r. || r..result !== 'Success' ) { return; }

		r = r.;



		this.undoList.push( {

			title: r.title,

			id: r.newrevid,

			timestamp: r.newtimestamp

		} );

	},



	updateCounter: function () {

		this.counterCurrent++;

		if ( this.counterCurrent > this.counterNeeded ) { this.displayResult(); } else { this.domCounter.text( this.counterCurrent ); }

	},



	displayResult: function () {

		document.body.style.cursor = 'auto';

		$.removeSpinner( 'fb-dialog' );

		this.progressDialog.parent()

			.addClass( 'cat_a_lot_done' )

			.find( '.ui-dialog-buttonpane button span' ).eq( 0 )

			.text( mw.msg( 'Mobile-frontend-return-to-page' ) );

		var rep = this.domCounter.parent()

			.height( 'auto' )

			.html( '<h3>' + msg( 'done' ) + '</h3>' )

			.append( msg( 'all-done' ) + '<br>' );

		if ( this.alreadyThere.length ) {

			rep.append( '<h5>' + msg( 'skipped-already', this.alreadyThere.length ) + '</h5>' )

				.append( this.alreadyThere.join( '<br>' ) );

		}



		if ( this.notFound.length ) {

			rep.append( '<h5>' + msg( 'skipped-not-found', this.notFound.length ) + '</h5>' )

				.append( this.notFound.join( '<br>' ) );

		}



		if ( this.connectionError.length ) {

			rep.append( '<h5>' + msg( 'skipped-server', this.connectionError.length ) + '</h5>' )

				.append( this.connectionError.join( '<br>' ) );

		}



	},



	/**

*  @brief set parameters for API call,

*  	convert targetcat to string, get selected pages/files

*  @param [dom object] targetcat with data

*  @param [string] mode action

*  @return Return API call getTargetCat with pages

*/

	doSomething: function ( targetcat, mode ) {

		var pages = this.getMarkedLabels();

		if ( !pages.length ) { return alert( mw.msg( 'Ooui-selectfile-placeholder' ) ); }

		targetcat = $( targetcat ).closest( 'tr' ).data( 'cat' );



		this.notFound = [];

		this.alreadyThere = [];

		this.connectionError = [];

		this.counterCurrent = 1;

		this.counterNeeded = pages.length;

		this.undoList = [];

		this.XHR = {};

		this.cancelled = 0;

		this.summary = '';



		if ( $( '#cat_a_lot_comment' )[0].value != '' ) { this.summary = $( '#cat_a_lot_comment' )[0].value; } // TODO custom pre-value

		if ( this.summary !== null ) {

			mw.loader.using(  'jquery.ui', 'jquery.spinner', 'mediawiki.util' ], function () {

				CAL.showProgress();

				CAL.getTargetCat( pages, targetcat, mode );

			} );

		}



	},



	doAPICall: function ( params, callback ) {

		params = $.extend( {

			action: 'query',

			format: 'json'

		}, params );



		var i = 0,

			self = this,

			apiUrl = this.apiUrl,

			doCall,

			handleError = function ( jqXHR, textStatus, errorThrown ) {

				mw.log( 'Error: ', jqXHR, textStatus, errorThrown );

				if ( i < 4 ) {

					window.setTimeout( doCall, 300 );

					i++;

				} else if ( params.title ) {

					self.connectionError.push( params.title );

					self.updateCounter();

					return;

				}

			};

		doCall = function () {

			var xhr = $.ajax( {

				url: apiUrl,

				cache: false,

				dataType: 'json',

				data: params,

				type: 'POST',

				success: callback,

				error: handleError

			} );



			if ( params.action === 'edit' && !CAL.cancelled ) { CAL.XHR params.title  = xhr; }

		};

		doCall();

	},



	createCatLinks: function ( symbol, list, table ) {

		list.sort();

		var button = ( this.settings.button && mw.loader.getState( 'jquery.ui' ) === 'ready' ) ? 1 : 0;

		for ( var c = 0; c < list.length; c++ ) {

			var $tr = $( '<tr>' ),

				$link = $( '<a>', {

					href: mw.util.getUrl( CAL.localCatName + list c  ),

					text: list c 

				} ),

				$buttons = [];

			$tr.data( 'cat', list c  );

			$link.on( 'click', function ( e ) {

				if ( !e.ctrlKey ) {

					e.preventDefault();

					CAL.updateCats( $( this ).closest( 'tr' ).data( 'cat' ) );

				}

			} );



			$tr.append( $( '<td>' ).text( symbol ) )

				.append( $( '<td>' ).append( $link ) );



			$buttons.push( $( '<a>' )

				.text( mw.msg( 'Centralnotice-remove' ) )

				.on( 'click', function () {

					CAL.doSomething( this, 'remove' );

				} )

				.addClass( 'cat_a_lot_move' )

			);

			if ( button ) {

				$buttons.slice( -1 )[ 0 ].button( {

					icons: { primary: 'ui-icon-minusthick' },

					showLabel: false,

					text: false

				} );

			}



			if ( this.origin ) {

			// Can't move to source category

				if ( list c  !== this.origin ) {

					$buttons.push( $( '<a>' )

						.text( msg( 'move' ) )

						.on( 'click', function () {

							CAL.doSomething( this, 'move' );

						} )

						.addClass( 'cat_a_lot_move' )

					);

					if ( button ) {

						$buttons.slice( -1 )[ 0 ].button( {

							icons: { primary: 'ui-icon-arrowthick-1-e' },

							showLabel: false,

							text: false

						} );

					}



					$buttons.push( $( '<a>' )

						.text( msg( 'copy' ) )

						.on( 'click', function () {

							CAL.doSomething( this, 'copy' );

						} )

						.addClass( 'cat_a_lot_action' )

					);

					if ( button ) {

						$buttons.slice( -1 )[ 0 ].button( {

							icons: { primary: 'ui-icon-plusthick' },

							showLabel: false,

							text: false

						} );

					}



				}

			} else {

				$buttons.push( $( '<a>' )

					.text( msg( 'add' ) )

					.on( 'click', function () {

						CAL.doSomething( this, 'add' );

					} )

					.addClass( 'cat_a_lot_action' )

				);

				if ( button ) {

					$buttons.slice( -1 )[ 0 ].button( {

						icons: { primary: 'ui-icon-plusthick' },

						showLabel: false,

						text: false

					} );

				}



			}

			// TODO CSS may extern

			var css = button ? { fontSize: '.6em', margin: '0', width: '2.5em' } : {};

			for ( var b = 0; b < $buttons.length; b++ ) { $tr.append( $( '<td>' ).append( $buttons b ].css( css ) ) ); }



			table.append( $tr );

		}

	},



	getCategoryList: function () {

		this.catCounter = 0;

		this.getParentCats();

		this.getSubCats();

	},



	_getPageQuery: function ( data ) {

	// There should be only one, but we don't know its ID

		if ( data && data.query && data.query.pages ) {

			data = data.query.pages;

			for ( var p in data ) { return data p ]; }

		}

	},



	/**

*  @brief takes this.currentCategory if redir_category is configured

** Cat pages with more than one cat link are still not supported for sure

*  @return soft redirected cat

*/

	solveSoftRedirect: function () {

		this.doAPICall( {

			prop: 'links', // TODO: For more accuracy the revisions could be checked

			titles: 'Category:' + this.currentCategory,

			// 'rvprop': 'content',

			// 'pllimit': 'max',

			plnamespace: 14

		}, function ( page ) {

			page = CAL._getPageQuery( page );

			if ( page ) {

				var lks = page.links;

				if ( lks && lks.length === 1 && lks 0 ].title ) {

					CAL.currentCategory = lks 0 ].title.replace( reCat, '' );

					$searchInput.val( CAL.currentCategory );

					return CAL.getCategoryList();

				} else {

				// TODO? better translatable warning message: "Please solve the category soft redirect manually!"

					$resultList.html( '<span id="cat_a_lot_no_found">' + mw.msg( 'Apifeatureusage-warnings', mw.msg( 'Categorytree-not-found', CAL.currentCategory ) ) + '</span>' );

				}

			}

		} );

	},



	showCategoryList: function () {

		if ( this.settings.redir_category && this.settings.redir_category === this.parentCats 0  ) { return this.solveSoftRedirect(); }



		var table = $( '<table>' );



		this.createCatLinks( '↑', this.parentCats, table );

		this.createCatLinks( '→',  this.currentCategory ], table );

		// Show on soft-redirect

		if ( $searchInput.val() === this.currentCategory && this.origin !== this.currentCategory ) { this.createCatLinks( '→',  this.origin ], table ); }

		this.createCatLinks( '↓', this.subCats, table );



		$resultList.empty();

		$resultList.append( table );



		document.body.style.cursor = 'auto';



		// Reset width

		$container.width( '' );

		$container.height( '' );

		$container.width( Math.min( table.width() * 1.1 + 15, $( window ).width() - 10 ) );



		$resultList.css( {

			maxHeight: Math.min( this.setHeight, $( window ).height() - $container.position().top - $settingsLink.outerHeight() - $selections.outerHeight() - 15 ),

			height: ''

		} );

		table.width( '100%' );

		$container.height( Math.min( $container.height(), $head.offset().top - $container.offset().top + 10 ) );

		$container.offset( { left: $( window ).width() - $container.outerWidth() } ); // Fix overlap

	},



	updateCats: function ( newcat ) {

		document.body.style.cursor = 'wait';

		this.currentCategory = newcat;

		$resultList.html( '<div class="cat_a_lot_loading">' + mw.msg( 'cat-a-lot-loading' ) + '</div>' );

		this.getCategoryList();

	},



	doUndo: function () {

		this.cancelled = 0;

		this.doAbort();

		if ( !this.undoList.length ) { return; }



		$( '.cat_a_lot_feedback' ).removeClass( 'cat_a_lot_done' );

		this.counterNeeded = this.undoList.length;

		this.counterCurrent = 1;



		document.body.style.cursor = 'wait';



		var query = {

			action: 'edit',

			user: mw.config.get( 'wgUserName' ),

			bot: true,

			minor: this.settings.minor,

			starttimestamp: this.starttimestamp,

			watchlist: this.settings.watchlist,

			tags: this.changeTag,

			token: this.edittoken

		};

		for ( var i = 0; i < this.undoList.length; i++ ) {

			var uID = this.undoList i ];

			query.title = uID.title;

			query.undo = uID.id;

			query.basetimestamp = uID.timestamp;

			this.doAPICall( query, function ( r ) {

			// TODO: Add "details" to progressbar?

			// $resultList.append( [mw.msg('Filerevert-submit') + " done " + r.edit.title, '<br>' ] );

				if ( r && r. ) { mw.log( 'Revert done', r..title ); }

				CAL.updateCounter();

			} );

		}

	},



	doAbort: function () {

		for ( var t in this.XHR ) { this.XHR t ].abort(); }



		if ( this.cancelled ) { // still not for undo

			this.progressDialog.remove();

			this.toggleAll( false );

			$head.last().show();

		}

		this.cancelled = 1;

	},



	showProgress: function () {

		document.body.style.cursor = 'wait';

		this.progressDialog = $( '<div>' )

			.html( ' ' + msg( 'editing' ) + ' <span id="cat_a_lot_current">' + CAL.counterCurrent + '</span> ' + msg( 'of' ) + CAL.counterNeeded )

			.prepend( $.createSpinner( { id: 'fb-dialog', size: 'large' } ) )

			.dialog( {

				width: 450,

				height: 180,

				minHeight: 90,

				modal: true,

				resizable: false,

				draggable: false,

				// closeOnEscape: true,

				dialogClass: 'cat_a_lot_feedback',

				buttons:  {

					text: mw.msg( 'Cancel' ), // Stops all actions

					click: function () {

						$( this ).dialog( 'close' );

					}

				} ],

				close: function () {

					CAL.cancelled = 1;

					CAL.doAbort();

					$( this ).remove();

				},

				open: function ( event, ui ) { // Workaround modify

					ui = $( this ).parent();

					ui.find( '.ui-dialog-titlebar' ).hide();

					ui.find( '.ui-dialog-buttonpane.ui-widget-content' )

						.removeClass( 'ui-widget-content' );

				/* .find( 'span' ).css( { fontSize: '90%' } )*/

				}

			} );

		if ( $head.children().length < 3 ) {

			$( '<span>' )

				.css( {

					'float': 'right',

					fontSize: '75%'

				} )

				.append(  '[ ',

					$( '<a>', { title: 'Revert all last done edits' } ) // TODO i18n

						.on( 'click', function () {

							if ( window.confirm( mw.msg( 'Apifeatureusage-warnings', this.title + '⁉' ) ) ) {

								CAL.doUndo();

								$( this ).parent().remove();

							}

							return false;

						} )

						.addClass( 'new' )

						.text( mw.msg( 'Filerevert-submit' ) ),

					' ]'

				 ).insertAfter( $link );

		}



		this.domCounter = $( '#cat_a_lot_current' );

	},



	minimize: function ( e ) {

		CAL.top = Math.max( 0, $container.position().top );

		CAL.height = $container.height();

		$dataContainer.hide();

		$container.animate( {

			height: $head.height(),

			top: $( window ).height() - $head.height() * 1.4

		}, function () {

			$( e.target ).one( 'click', CAL.maximize );

		} );

	},



	maximize: function ( e ) {

		$dataContainer.show();

		$container.animate( {

			top: CAL.top,

			height: CAL.height

		}, function () {

			$( e.target ).one( 'click', CAL.minimize );

		} );

	},



	run: function () {

		if ( $( '.cat_a_lot_enabled' )[ 0  ) {

			this.makeClickable();

			if ( !this.executed ) { // only once

				$selectInvert.text( mw.msg( 'Checkbox-invert' ) );

				if ( this.settings.editpages && this.pageLabels 0  ) {

					$selectFiles.text( mw.msg( 'Prefs-files' ) );

					$selectPages.text( mw.msg( 'Categories' ) ).parent().show();

				}

				$link.after( $( '<a>' )

					.text( '–' )

					.css( { fontWeight: 'bold', marginLeft: '.7em' } )

					.one( 'click', this.minimize )

				);

			}

			$dataContainer.show();

			$container.one( 'mouseover', function () {

				$( this )

					.resizable( {

						handles: 'n',

						alsoResize: '#cat_a_lot_category_list',

						resize: function () {

							$resultList

								.css( {

									maxHeight: '',

									width: ''

								} );

						},

						start: function ( e, ui ) { // Otherwise box get static if sametime resize with draggable

							ui.helper.css( {

								top: ui.helper.offset().top - $( window ).scrollTop(),

								position: 'fixed'

							} );

						},

						stop: function () {

							CAL.setHeight = $resultList.height();

						}

					} )

					.draggable( {

						cursor: 'move',

						start: function ( e, ui ) {

							ui.helper.on( 'click.prevent',

								function ( e ) { e.preventDefault(); }

							);

							ui.helper.css( 'height', ui.helper.height() );

						},

						stop: function ( e, ui ) {

							setTimeout(

								function () {

									ui.helper.off( 'click.prevent' );

								}, 300

							);

						}

					} )

					.one( 'mousedown', function () {

						$container.height( $container.height() ); // Workaround to calculate

					} );

				$resultList

					.css( { maxHeight: 450 } );

			} );

			this.updateCats( this.origin || 'Images' );



			$link.html( $( '<span>' )

				.text( '×' )

				.css( { font: 'bold 2em monospace', lineHeight: '.75em' } )

			);

			$link.next().show();

			if ( this.cancelled ) { $head.last().show(); }

			mw.cookie.set( 'catAlotO', ns ); // Let stay open on new window

		} else { // Reset

			$dataContainer.hide();

			$container

				.draggable( 'destroy' )

				.resizable( 'destroy' )

				.removeAttr( 'style' );

			// Unbind click handlers

			this.labels.off( 'click.catALot' );

			this.setHeight = 450;

			$link.text( 'Cat-a-lot' )

				.nextAll().hide();

			this.executed = 1;

			mw.cookie.set( 'catAlotO', null );

		}

	},



	manageSettings: function () {

		mw.loader.using(  'ext.gadget.SettingsManager', 'ext.gadget.SettingsUI', 'jquery.ui' ], CAL._manageSettings );

	},



	_manageSettings: function () {

		mw.libs.SettingsUI( CAL.defaults, 'Cat-a-lot' )

			.show()

			.done( function ( s, verbose, loc, settingsOut, $dlg ) {

				var mustRestart = false,

					_restart = function () {

						if ( !mustRestart ) { return; }

						$container.remove();

						CAL.labels.off( 'click.catALot' );

						CAL.init();

					},

					_saveToJS = function () {

						var opt = mw.libs.settingsManager.option( {

								optionName: 'catALotPrefs',

								value: CAL.settings,

								encloseSignature: 'catALot',

								encloseBlock: '////////// Cat-a-lot user preferences //////////\n',

								triggerSaveAt: /Cat.?A.?Lot/i,

								editSummary: msg( 'pref-save-summary' )

							} ),

							oldHeight = $dlg.height(),

							$prog = $( '<div>' );



						$dlg.css( 'height', oldHeight )

							.html( '' );

						$prog.css( {

							height: Math.round( oldHeight / 8 ),

							'margin-top': Math.round( ( 7 * oldHeight ) / 16 )

						} )

							.appendTo( $dlg );



						$dlg.parent()

							.find( '.ui-dialog-buttonpane button' )

							.button( 'option', 'disabled', true );



						opt.save()

							.done( function ( text, progress ) {

								$prog.progressbar( {

									value: progress

								} );

								$prog.fadeOut( function () {

									$dlg.dialog( 'close' );

									_restart();

								} );

							} )

							.progress( function ( text, progress ) {

								$prog.progressbar( {

									value: progress

								} );

							// TODO: Add "details" to progressbar

							} )

							.fail( function ( text ) {

								$prog.addClass( 'ui-state-error' );

								$dlg.prepend( $( '<p>' )

									.text( text ) );

							} );

					};

				$.each( settingsOut, function ( n, v ) {

					if ( v.forcerestart && CAL.settings v.name  !== v.value ) { mustRestart = true; }

					CAL.settings v.name  = CAL.catALotPrefs v.name  = v.value;

				} );

				switch ( loc ) {

					case 'page':

						$dlg.dialog( 'close' );

						_restart();

						break;

					case 'account-publicly':

						_saveToJS();

						break;

				}

			} );

	},



	_initSettings: function () {

		if ( this.settings.watchlist ) { return; }

		this.catALotPrefs = window.catALotPrefs || {};

		for ( var i = 0; i < this.defaults.length; i++ ) {

			var v = this.defaults i ];

			v.value = this.settings v.name  = ( this.catALotPrefs v.name  || v'default' );

			v.label = msg( v.label_i18n );

			if ( v.select_i18n ) {

				v.select = {};

				$.each( v.select_i18n, function ( i18nk, val ) {

					v.select msg( i18nk )  = val;

				} );

			}

		}

	},

	/* eslint-disable camelcase */

	defaults:  {

		name: 'watchlist',

		'default': 'preferences',

		label_i18n: 'watchlistpref',

		select_i18n: {

			watch_pref: 'preferences',

			watch_nochange: 'nochange',

			watch_watch: 'watch',

			watch_unwatch: 'unwatch'

		}

	}, {

		name: 'minor',

		'default': false,

		label_i18n: 'minorpref'

	}, {

		name: 'editpages',

		'default': project !== 'commonswiki', // on Commons false

		label_i18n: 'editpagespref',

		forcerestart: true

	}, {

		name: 'docleanup',

		'default': false,

		label_i18n: 'docleanuppref'

	}, {

		name: 'subcatcount',

		'default': 50,

		min: 5,

		max: 500,

		label_i18n: 'subcatcountpref',

		forcerestart: true

	}, {

		name: 'uncat',

		'default': project === 'commonswiki', // on Commons true

		label_i18n: 'uncatpref'

	}, {

		name: 'button',

		'default': true,

		label_i18n: 'buttonpref'

	} 

/* eslint-enable camelcase */

};



// The gadget is not immediately needed, so let the page load normally

window.setTimeout( function () {

	non = mw.config.get( 'wgUserName' );

	if ( non ) {

		if ( mw.config.get( 'wgRelevantUserName' ) === non ) { non = 0; } else {

			$.each(  'sysop', 'filemover', 'editor', 'rollbacker', 'patroller', 'autopatrolled', 'image-reviewer', 'reviewer', 'extendedconfirmed' ], function ( i, v ) {

				non = $.inArray( v, userGrp ) === -1;

				return non;

			} );

		}

	} else { non = 1; }



	switch ( ns ) {

		case 14:

			CAL.searchmode = 'category';

			CAL.origin = mw.config.get( 'wgTitle' );

			break;

		case -1:

			CAL.searchmode = {

			// list of accepted special page names mapped to search mode names

				Contributions: 'contribs',

				Listfiles: non ? null : 'listfiles',

				Prefixindex: non ? null : 'prefix',

				Search: 'search',

				Uncategorizedimages: 'gallery'

			}[ mw.config.get( 'wgCanonicalSpecialPageName' ) ];

			break;

		case 2:

		case 0:

			CAL.searchmode = 'gallery';

			var parents = $( '#mw-normal-catlinks ul' ).find( 'a[title]' ), n;

			parents.each( function ( i ) {

				if ( new RegExp( mw.config.get( 'wgTitle' ), 'i' ).test( $( this ).text() ) ) {

					n = i;

					return false;

				}

			} );

			CAL.origin = parents.eq( n || 0 ).text();

	}



	if ( CAL.searchmode ) {

		var loadingLocalizations = 1;

		var loadLocalization = function ( lang, cb ) {

			loadingLocalizations++;

			switch ( lang ) {

				case 'zh-hk':

				case 'zh-mo':

				case 'zh-tw':

					lang = 'zh-hant';

					break;

				case 'zh':

				case 'zh-cn':

				case 'zh-my':

				case 'zh-sg':

					lang = 'zh-hans';

					break;

			}



			$.ajax( {

				url: commonsURL,

				dataType: 'script',

				data: {

					title: 'MediaWiki:Gadget-Cat-a-lot.js/' + lang,

					action: 'raw',

					ctype: 'text/javascript',

					// Allow caching for 28 days

					maxage: 2419200,

					smaxage: 2419200

				},

				cache: true,

				success: cb,

				error: cb

			} );

		};

		var maybeLaunch = function () {

			loadingLocalizations--;

			function init() {

				$( function () {

					CAL.init();

				} );

			}

			if ( !loadingLocalizations ) { mw.loader.using(  'user' ], init, init ); }

		};



		var userlang = mw.config.get( 'wgUserLanguage' ),

			contlang = mw.config.get( 'wgContentLanguage' );

		if ( userlang !== 'en' ) { loadLocalization( userlang, maybeLaunch ); }

		if ( $.inArray( contlang,  'en', userlang  ) === -1 ) { loadLocalization( contlang, maybeLaunch ); }

		maybeLaunch();

	}

}, 400 );



/**

 * When clicking a cat-a-lot label with Shift pressed, select all labels between the current and last-clicked one.

 */

$.fn.catALotShiftClick = function ( cb ) {

	var prevCheckbox = null,

		$box = this;

	// When our boxes are clicked..

	$box.on( 'click.catALot', function ( e ) {

	// Prevent following the link and text selection

		if ( !e.ctrlKey ) { e.preventDefault(); }

		// Highlight last selected

		$( '#cat_a_lot_last_selected' )

			.removeAttr( 'id' );

		var $thisControl = $( e.target ),

			method;

		if ( !$thisControl.hasClass( 'cat_a_lot_label' ) ) { $thisControl = $thisControl.parents( '.cat_a_lot_label' ); }



		$thisControl.attr( 'id', 'cat_a_lot_last_selected' )

			.toggleClass( 'cat_a_lot_selected' );

		// And one has been clicked before…

		if ( prevCheckbox !== null && e.shiftKey ) {

			method = $thisControl.hasClass( 'cat_a_lot_selected' ) ? 'addClass' : 'removeClass';

			// Check or uncheck this one and all in-between checkboxes

			$box.slice(

				Math.min( $box.index( prevCheckbox ), $box.index( $thisControl ) ),

				Math.max( $box.index( prevCheckbox ), $box.index( $thisControl ) ) + 1

			)[ method ]( 'cat_a_lot_selected' );

		}

		// Either way, update the prevCheckbox variable to the one clicked now

		prevCheckbox = $thisControl;

		if ( $.isFunction( cb ) ) { cb(); }

	} );

	return $box;

};



}( jQuery, mediaWiki ) );

// </nowiki>
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