User:Magnus Manske/wikipic.js

/* wikipic Copyright (C) 2011 Magnus Manske  This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to   Free Software Foundation, Inc.    51 Franklin Street, Fifth Floor Boston, MA  02110-1301, USA. or see this page : https://www.gnu.org/licenses/gpl-2.0.txt */

if ( typeof ( $ ) === 'undefined' ) $ = $j ;

var wikipic = /** @lends wikipic.prototype */ {

/* Initialize some variables */ // Misc settings api_local : mw.util.wikiScript( 'api' ) , api_commons : '//commons.wikimedia.org/w/api.php?callback=?', // Needs callback thumbsize : 100, // px; 60 * 2 (thumb_zoom) makes this probably pre-rendered size of 120px max_files_gallery : 126 , max_files_slideshow : 50 , max_files : 0 , thumb_zoom : 2.5, // Basic large thumbnail size factor (times thumbsize) zoom_factor : 1, // Additional zoom on large thumbnail slideshow_delay : 4000, // ms	min_files_threshold : 32 , min_slideshow_image_size : 120 , slide_width : 0 , slide_height : 0 ,

// Icon paths icons : { gallery : '//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Gnome-emblem-photos.svg/32px-Gnome-emblem-photos.svg.png' , slideshow : '//upload.wikimedia.org/wikipedia/commons/7/74/Farm-Fresh_slideshow.png' , info : '//upload.wikimedia.org/wikipedia/commons/thumb/0/07/Tango-style_info_icon.svg/32px-Tango-style_info_icon.svg.png' , fullscreen : '//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/View-fullscreen.svg/32px-View-fullscreen.svg.png' , slideshow_play : '//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Gnome-media-playback-start.svg/48px-Gnome-media-playback-start.svg.png' , slideshow_pause : '//upload.wikimedia.org/wikipedia/commons/thumb/0/04/Gnome-media-playback-pause.svg/48px-Gnome-media-playback-pause.svg.png' , slideshow_first : '//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Gnome-media-skip-backward.svg/48px-Gnome-media-skip-backward.svg.png' , slideshow_last : '//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Gnome-media-skip-forward.svg/48px-Gnome-media-skip-forward.svg.png' , slideshow_prev : '//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Gnome-media-seek-backward.svg/48px-Gnome-media-seek-backward.svg.png' , slideshow_next : '//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Gnome-media-seek-forward.svg/48px-Gnome-media-seek-forward.svg.png' , slideshow_close : '//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Gnome-window-close.svg/32px-Gnome-window-close.svg.png' , public_domain : '//upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/32px-PD-icon.svg.png' , creative_commons : '//upload.wikimedia.org/wikipedia/commons/thumb/7/79/CC_some_rights_reserved.svg/90px-CC_some_rights_reserved.svg.png' , cc_by : '//upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png' , cc_sa : '//upload.wikimedia.org/wikipedia/commons/thumb/2/29/Cc-sa.svg/24px-Cc-sa.svg.png' , gnu : '//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Heckert_GNU_white.svg/32px-Heckert_GNU_white.svg.png' , commons : '//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/32px-Commons-logo.svg.png' , spinning : '//upload.wikimedia.org/wikipedia/commons/8/85/Throbber_allbackgrounds_circledots_32.gif' } ,	not_useful : [ // Categories that are not useful to display /\blicense migration\b/i , /self-published work/i , /user-created/i , /^files by user:/i , /^media needing /i , /^\breviewed\b/i , /\bOTRS\b/i , /images with annotations/i , /\bwith missing\b/i , /\buploadbot\b/i , /\bflickr\b/i ] ,

// I18n i18n_all : { en : { fullscreen : 'Full-screen slideshow' , related_files : 'Show similar and related files' , related_files_dialog_title : 'Similar and related files' , looking_for_files : 'Looking for files...' , slideshow : 'Start slideshow' , slideshow_dialog_title : 'Slideshow' , first_slide : 'Loading first slide' , loading_desc : 'Loading description...' , missing : 'Missing' , author : 'Author' , date : 'Date' , description : 'Description' , open_file_description_page : 'Open file description page' , filesize : 'Size' , categories : 'Categories' , licenses : 'License(s)' , commons : 'Wikimedia Commons' , info : 'Information about this file' , close_slideshow : 'Click or press escape to close the slideshow' , info_dialog_title : 'File information' } ,		de : { fullscreen : 'Full-screen Diashow' , related_files : 'Zeige ähnliche und verwandte Bilder' , related_files_dialog_title : 'Ähnliche Bilder' , looking_for_files : 'Suche nach Bildern...' , slideshow : 'Starte Diashow' , slideshow_dialog_title : 'Diashow' , first_slide : 'Lade erstes Bild' , loading_desc : 'Lade Beschreibung...' , missing : 'Fehlt' , author : 'Autor' , date : 'Datum' , description : 'Beschreibung' , open_file_description_page : 'Bildbeschreibungsseite öffnen' , filesize : 'Größe' , categories : 'Kategorien' , licenses : 'Lizenz(en)' , commons : 'Wikimedia Commons' , info : 'Informationen über diese Datei' , close_slideshow : 'Hier klicken oder Escape drücken, um die Diashow zu beenden' , info_dialog_title : 'Datei-Informationen' }	} ,	i18n : {}, // Filled by init_i18n

/* Constructor */ init : function { wikipic.init_i18n ;

// Process thumbnails if ( wikipic.isTouchDevice ) { $('a.image').bind('touchstart', function(e) {				if ( $('#wikipic_box').length > 0 ) $('#wikipic_box').remove ;				else wikipic.show_icon_bar ( $(this) ) ;			} ) ; }		$('a.image').hover ( wikipic.onmousein, wikipic.onmouseout ) ; // Process full file on file page if ( mw.config.get('wgNamespaceNumber') == 6 ) { $('#file a').hover ( wikipic.onmousein, wikipic.onmouseout ) ; }

$.each ( wikipic.icons, function ( k , v ) { // Pre-load images			$('body').append ( "" ) ;		} ) ; } ,	init_i18n : function { wikipic.lang = mw.config.get ( 'wgUserLanguage' ) ; var lang = wikipic.lang ; if ( wikipic.i18n_all[wikipic.lang] === undefined ) lang = 'en' ; // Fallback wikipic.i18n = wikipic.i18n_all[lang] ; } ,	/* Event handler for "mouse over thumbnailed image"; invokes the context menu icon bar */ onmousein : function { var me = $(this) ; wikipic.show_icon_bar ( me ) ; } ,	/* shows the context menu icon bar */ show_icon_bar : function ( me ) { $('#wikipic_box').stop(true).fadeTo(0,1); wikipic.o = me ; var off = me.find('img').offset ; var h = 32 + 4 ; var top = parseInt ( off.top ) - 2 ; var left = parseInt ( off.left ) + 1 ; top -= h ; var h = "" ; h += "" ; h += "" ; h += "" ; h += " " ; h += "" ; h += "" ; h += "" ; h += " " ;

h += "" ; h += "" ; h += "" ; h += " " ; h += "" ; h += "" ; h += "<img src='" + wikipic.icons.fullscreen + "' border=0 />" ; h += "</a> " ; h += " " ; $('#wikipic_box').remove ; $('body').prepend(h); while ( left + 160 >= $(window).width ) left-- ; $('#wikipic_box').css ( { top : top+'px', left : left+'px' , height : h+'px' } ) ; $('#wikipic_box').fadeIn ( 'fast' ) ; $('#wikipic_box').hover (			function { wikipic.remove_icon_bar = false ; $('#wikipic_box').stop(true).fadeTo(0,1); } ,			function  { wikipic.start_box_fadeout ; }		) ;

} ,

/* Event handler for "mouse leaves thumbnailed image"; invokes context icon box fading */ onmouseout : function { wikipic.start_box_fadeout ; } ,	/* starts context icon box fading */ start_box_fadeout : function { wikipic.remove_icon_bar = true ; $('#wikipic_box').fadeOut('fast',function{ if(wikipic.remove_icon_bar) $('#wikipic_box').remove; }); } ,	show_fullscreen : function { $('body').css ( { 'overflow' : 'hidden' } ) ; // Hack to get scrollbar-less window width wikipic.slide_width = parseInt ( $(window).width ) ; wikipic.slide_height = parseInt ( $(window).height ) ; $('body').css ( { 'overflow' : '' } ) ; // End hack wikipic.mode = 'fullscreen' ; wikipic.max_files = wikipic.max_files_slideshow ; wikipic.start_dialog ( wikipic.i18n.slideshow_dialog_title ) ; } ,	show_slideshow : function { wikipic.slide_width = 500 ; wikipic.slide_height = 500 ; wikipic.mode = 'slideshow' ; wikipic.max_files = wikipic.max_files_slideshow ; wikipic.start_dialog ( wikipic.i18n.slideshow_dialog_title ) ; } ,	show_info : function { wikipic.slide_width = 500 ; wikipic.slide_height = 500 ; wikipic.mode = 'info' ; wikipic.max_files = 1 ; wikipic.start_dialog ( wikipic.i18n.info_dialog_title ) ; } ,	/* creates the "related and simliar images" dialog and starts API queries */ show_gallery : function { wikipic.mode = 'gallery' ; wikipic.max_files = wikipic.max_files_gallery ; wikipic.start_dialog ( wikipic.i18n.related_files_dialog_title ) ; } ,	start_dialog : function ( dialog_title ) { $('#wikipic_dialog').remove ; var filename ; if ( wikipic.o.hasClass('image') ) { // Thumbnail filename = decodeURIComponent ( wikipic.o.attr('href') ) ; filename = filename.replace ( /^\/wiki\/[^:]+:/, '' ) ; } else { // File: page filename = $(wikipic.o.find('img')[0]).attr('alt') ; filename = filename.replace ( /^[^:]+:/, '' ) ; }		wikipic.file = filename ; var h = "<div id='wikipic_dialog' title='" + dialog_title + "'>" ; h += "<div id='wikipic_dialog_content'><span class='wikipic_faint'>" + wikipic.i18n.looking_for_files + " " ; h += " " ; $('body').append ( h ) ; wikipic.slideshow_timer_is_on = false ; $("#wikipic_dialog").dialog ( {			reizable : false ,			autoOpen: false,			width : '800px', 			modal : true ,			close: function {				if ( wikipic.slideshow_timer_is_on ) clearTimeout ( wikipic.slideshow_timer ) ;				return true ;			} ,			create: function(event, ui) {				$("body").css({ overflow: 'hidden' })			},			beforeClose: function(event, ui) {				$("body").css({ overflow: 'inherit' })			}		} ); $("#wikipic_dialog").dialog ( 'open' ) ; if ( wikipic.mode == 'info' || wikipic.mode == 'slideshow' ) $("#wikipic_dialog").css ( { height : 505 } ) ; if ( wikipic.mode == 'fullscreen' ) { $(".ui-dialog-titlebar").hide ; $("#wikipic_dialog").dialog ( 'option', 'position' , [ 0 , 0 ] ) ; $("#wikipic_dialog").dialog ( 'option', 'width' , $(window).width ) ; $("#wikipic_dialog").dialog ( 'option', 'height' , $(window).height + 35 ) ; $(".ui-dialog").css ( { 'padding' : '0px', 'margin' : '0px' , 'left' : '-5px' , 'top' : '-20px' } ) ; } else { if ( $(window).height-50 < 600 ) $("#wikipic_dialog").css ( { 'max-height' : $(window).height-50 } ) ; $('#wikipic_dialog').dialog('option', 'position', 'center'); }		$("#wikipic_dialog_content").css ( { 'overflow-y' : 'auto' } ) ; wikipic.candidate_images = new Object ; if ( wikipic.mode == 'info' ) { var s = wikipic.file ; s = s.replace ( /^.+\/wiki\/[^:]+:/, '' ) ; s = s.replace ( /_/g, ' ' ) ; wikipic.tried_extended = true ; // A blatant lie! wikipic.running_count = 1 ; wikipic.candidate_images[s] = 1000 ; wikipic.running ( -1 ) ; return ; }		wikipic.tried_extended = false ; wikipic.running_count = 0 ; wikipic.imageinfo ( filename, 'galleries' , false ) ; wikipic.imageinfo ( filename, 'categories' , false ) ; } ,	try_extended : function { if ( wikipic.tried_extended ) return ; wikipic.tried_extended = true ; wikipic.follow_links ( mw.config.get( 'wgPageName' ) ) ; wikipic.follow_backlinks ( mw.config.get( 'wgPageName' ) ) ; } ,	/* initial API query layer. Calls itself again for files on Commons */ imageinfo : function ( filename, mode , commons ) { wikipic.running ( 1 ) ; var api = commons ? wikipic.api_commons : wikipic.api_local ; $.getJSON ( api, { 			action : 'query' ,			titles : 'File:'+filename ,			prop : 'imageinfo' ,			iiprop : 'url|size' ,			iiurlwidth : wikipic.thumbsize ,			iiurlheight : wikipic.thumbsize ,			format : 'json'		} , function ( data ) {			$.each ( data.query.pages , function ( k , v ) { v.is_commons = commons ; v.name = filename ; if ( v.imagerepository == 'shared' && commons == false ) { if ( mode == 'galleries' ) wikipic.get_images_from_galleries ( v ) ; // Try local uses anyway wikipic.imageinfo ( filename, mode , true ) ; wikipic.running ( -1 ) ; return ; }				if ( k == -1 ) { wikipic.running ( -1 ) ; return ; }				if ( mode == 'galleries' ) wikipic.get_images_from_galleries ( v ) ; if ( mode == 'categories' ) wikipic.get_images_from_categories ( v ) ; wikipic.running ( -1 ) ; } ) ;		} ) ;	} ,	follow_links : function ( title ) { wikipic.running ( 1 ) ; var api = wikipic.api_local ; // Page is always local $.getJSON ( api, { 			action : 'query' ,			generator : 'links' ,			titles : title ,			prop : 'images' ,			gpllimit : 500 ,			gplnamespace : 0 ,			imlimit : 500 ,			format : 'json'		} , function ( data ) {			if ( data.query === undefined ) return wikipic.running ( -1 ) ;			if ( data.query.pages === undefined ) return wikipic.running ( -1 ) ;			$.each ( data.query.pages , function ( page , v ) { if ( v.images === undefined ) return ; $.each ( v.images, function ( k1 , v1 ) {					if ( !wikipic.is_same_filetype ( wikipic.file , v1.title ) ) return ;					wikipic.add_candidate ( v1.title ) ;				} ) ; } ) ;			wikipic.running ( -1 ) ;		} ) ; } ,	follow_backlinks : function ( title ) { wikipic.running ( 1 ) ; var api = wikipic.api_local ; // Page is always local $.getJSON ( api, { 			action : 'query' ,			generator : 'backlinks' ,			gbltitle : title ,			prop : 'images' ,			gbllimit : 500 ,			gblnamespace : 0 ,			imlimit : 500 ,			format : 'json'		} , function ( data ) {			if ( data.query === undefined ) return wikipic.running ( -1 ) ;			if ( data.query.pages === undefined ) return wikipic.running ( -1 ) ;			$.each ( data.query.pages , function ( page , v ) { if ( v.images === undefined ) return ; $.each ( v.images, function ( k1 , v1 ) {					if ( !wikipic.is_same_filetype ( wikipic.file , v1.title ) ) return ;					wikipic.add_candidate ( v1.title ) ;				} ) ; } ) ;			wikipic.running ( -1 ) ;		} ) ; } ,	get_images_from_categories : function ( io ) { wikipic.running ( 1 ) ; var api = io.is_commons ? wikipic.api_commons : wikipic.api_local ; $.getJSON ( api, { 			action : 'query' ,			prop : 'categories' ,			titles : 'File:'+io.name ,			'clshow' : '!hidden' ,			cllimit : 500 ,			format : 'json'		} , function ( data ) {			if ( data.query === undefined ) return wikipic.running ( -1 ) ;			if ( data.query.pages === undefined ) return wikipic.running ( -1 ) ;			$.each ( data.query.pages , function ( k1 , v1 ) { if ( v1.categories === undefined ) return ; $.each ( v1.categories, function ( k2 , v2 ) {					wikipic.add_files_from_category ( v2.title , io.is_commons ) ;				} ) ; } ) ;			wikipic.running ( -1 ) ;		} ) ; } ,	add_files_from_category : function ( cat, is_commons ) { wikipic.running ( 1 ) ; var api = is_commons ? wikipic.api_commons : wikipic.api_local ; $.getJSON ( api, { 			action : 'query' ,			list : 'categorymembers' ,			cmtitle : cat ,			cmtype : 'file' ,			cmlimit : 500 ,			format : 'json'		} , function ( data ) {			if ( data.query === undefined ) return wikipic.running ( -1 ) ;			if ( data.query.categorymembers === undefined ) return wikipic.running ( -1 ) ;			$.each ( data.query.categorymembers , function ( k1 , v1 ) { if ( !wikipic.is_same_filetype ( wikipic.file, v1.title ) ) return ; wikipic.add_candidate ( v1.title ) ; } ) ;			wikipic.running ( -1 ) ;		} ) ; } ,	/* gets images that are displayed on the same pages as the "source" image; single project only */ get_images_from_galleries : function ( io ) { wikipic.running ( 1 ) ; var api = io.is_commons ? wikipic.api_commons : wikipic.api_local ; $.getJSON ( api, {			action : 'query' ,			generator : 'imageusage' ,			giutitle : io.title ,			prop : 'images' ,			imlimit : 500 ,			giunamespace : 0 ,			giulimit : 50 ,			format : 'json'		} , function ( data ) {			if ( data.query === undefined ) return wikipic.running ( -1 ) ;			if ( data.query.pages === undefined ) return wikipic.running ( -1 ) ;			$.each ( data.query.pages , function ( page , v ) { if ( v.images === undefined ) return ; $.each ( v.images, function ( k2 , v2 ) {					if ( !wikipic.is_same_filetype ( wikipic.file , v2.title ) ) return ;					wikipic.add_candidate ( v2.title ) ;				} ) ; } ) ;			wikipic.running ( -1 ) ;		} ) ; } ,	/* handles the "running API query" counter, and invokes image display when counter reaches zero */ running : function ( add ) { wikipic.running_count += add ; if ( add != -1 || wikipic.running_count != 0 ) return ; var a = [] ; var cnt = 0 ; $.each ( wikipic.candidate_images, function ( k , v ) {			cnt++ ;			if ( a[v] === undefined ) a[v] = [] ;			a[v].push ( k ) ;		} ) ; if ( cnt < wikipic.min_files_threshold && !wikipic.tried_extended ) { // Get more images $.each ( wikipic.candidate_images, function ( k , v ) { wikipic.candidate_images[k] += 100 ; } ) ; // Give existing files priority wikipic.try_extended ; return ; }		$('#wikipic_dialog_content').html ( '' ) ; if ( wikipic.mode == 'slideshow' || wikipic.mode == 'fullscreen' ) { wikipic.init_slideshow ; }		if ( wikipic.mode == 'info' ) { wikipic.init_info ; }

wikipic.files = new Array ; while ( a.length > 0 ) { var b = a.pop ; if ( b === undefined ) continue ; b = b.sort ( wikipic.randomSort ) ; $.each ( b, function ( k2 , v2 ) {				if ( wikipic.files.length >= wikipic.max_files ) return ;				wikipic.add_file ( v2 ) ;			} ) ; if ( wikipic.files.length >= wikipic.max_files ) break ; }

} ,	toggle_slide_background : function { var bgcol = $('#wikipic_slide').css ( 'backgroundColor' ) ; $('#wikipic_slide').css ( 'backgroundColor', ( bgcol == 'transparent' ? 'black' : 'transparent' ) ) ; } ,	init_slideshow : function { wikipic.ffc_timer_on = false ; var h = '' ; h += "<div id='wikipic_slideshow_spinning'><img width='16px' src='" + wikipic.icons.spinning + "' /> " ; h += "<div id='wikipic_slide' onclick='wikipic.toggle_slide_background;return false'> " ; h += "<div class='wikipic_slideshow_chrome' id='wikipic_slide_desc'> " ; if ( wikipic.mode == 'slideshow' || wikipic.mode == 'fullscreen' ) { h += "<div id='wikipic_slide_controls' class='wikipic_slideshow_chrome'>" ; $.each ( [ 'first', 'prev' , 'play' , 'pause' , 'next' , 'last' ] , function ( k , v ) {				h += "<span id='wikipic_slideshow_button_" + v + "'>" ;				h += "" ;				h += "<img src='" + wikipic.icons['slideshow_'+v] + "' class='wikipic_slideshow_button' />" ;				h += "</a> " ;			} ) ; h += " " ; if ( wikipic.mode == 'fullscreen' ) { h += "<div class='wikipic_slideshow_chrome' id='wikipic_slideshow_close'>" ; h += "<img src='" + wikipic.icons['slideshow_close'] + "' class='wikipic_slideshow_button' />" ; h += "</a> " ; // slideshow_close }		}		$('#wikipic_dialog_content').html ( h ) ; $('#wikipic_dialog').dialog('option', 'position', 'center'); $('#wikipic_slide').width ( wikipic.slide_width ) ; $('#wikipic_slide').height ( wikipic.slide_height ) ; if ( wikipic.mode == 'fullscreen' ) { $('#wikipic_slideshow_spinning').css ( { 'top' : '5px', 'right' : '10px' } ) ; $('#wikipic_slide').css ( { 'top' : '-1px', 'left' : '0px' , 'margin' : '0px' } ) ; $('#wikipic_slide_controls').css ( { 'bottom' : '30px' } ) ; if ( 1 ) { // !wikipic.isTouchDevice ) {				wikipic.fadeFullscreenChrome ( false, false ) ;				$('#wikipic_slide').mousemove ( function { wikipic.fadeFullscreenChrome ( false , false ) } ) ;				$('#wikipic_slide_controls').hover ( function { wikipic.fadeFullscreenChrome ( false, true ) } , function { wikipic.fadeFullscreenChrome ( false, false ) } ) ;			}		} else {			$('#wikipic_slideshow_spinning').css ( { 'top' : '5px', 'right' : '40px' } ) ;		}	} ,	fadeFullscreenChrome : function ( do_fade , no_timeout ) {		console.log ( "FADE : " + do_fade ) ;		if ( wikipic.ffc_timer_on ) {			clearTimeout ( wikipic.ffc_timer ) ;			wikipic.ffc_timer_on = false ;		}		if ( do_fade ) {			$('.wikipic_slideshow_chrome').fadeOut ( 4000 ) ;		} else {			$('.wikipic_slideshow_chrome').stop(true,true).fadeIn ;			if ( !no_timeout ) {				wikipic.ffc_timer_on = true ;				wikipic.ffc_timer = setTimeout ( "wikipic.fadeFullscreenChrome(true,false)" , 3000 ) ;			}		}	} ,	close_dialog : function {		$("#wikipic_dialog").dialog ( 'close' ) ;	} ,	init_info : function  {		wikipic.init_slideshow ;		$('#wikipic_slideshow_spinning').show ;	} ,	show_slideshow_play_pause : function ( show_play ) {		if ( show_play ) {			$('#wikipic_slideshow_spinning').hide ; // Waiting for the user... $('#wikipic_slideshow_button_pause').hide ; $('#wikipic_slideshow_button_play').show ; } else { $('#wikipic_slideshow_button_pause').show ; $('#wikipic_slideshow_button_play').hide ; }	} ,	on_slideshow_button : function ( cmd ) { if ( wikipic.slideshow_timer_is_on ) clearTimeout ( wikipic.slideshow_timer ) ; wikipic.slideshow_timer_is_on = false ; if ( cmd == 'pause' ) { wikipic.show_slideshow_play_pause ( true ) ; return ; }		if ( cmd == 'play' ) { wikipic.show_slideshow_play_pause ( false ) ; wikipic.next_slide ( false ) ; return ; } else if ( cmd == 'next' ) { //			wikipic.slide_counter++ ; if ( wikipic.slide_counter >= wikipic.files.length ) wikipic.slide_counter = 0 ; wikipic.show_slideshow_play_pause ( true ) ; } else if ( cmd == 'prev' ) { wikipic.slide_counter-- ; wikipic.slide_counter-- ; if ( wikipic.slide_counter < 0 ) wikipic.slide_counter = wikipic.files.length - 1 ; wikipic.show_slideshow_play_pause ( true ) ; } else if ( cmd == 'first' ) { wikipic.slide_counter = 0 ; wikipic.show_slideshow_play_pause ( true ) ; } else if ( cmd == 'last' ) { wikipic.slide_counter = wikipic.files.length - 1 ; wikipic.show_slideshow_play_pause ( true ) ; }		$('#wikipic_slideshow_spinning').show ; wikipic.next_slide ( false, true ) ; } ,	next_slide : function ( is_first_slide, prevent_timer_start ) { if ( wikipic.slideshow_timer_is_on ) { clearTimeout ( wikipic.slideshow_timer ) ; wikipic.slideshow_timer_is_on = false ; }		if ( is_first_slide ) { wikipic.slide_counter = 0 ; }		var o = wikipic.files[wikipic.slide_counter] ; if ( o.imageinfo === undefined ) { wikipic.slideshow_timer_is_on = true ; wikipic.slideshow_timer = setTimeout ( "wikipic.next_slide("+is_first_slide+")", 250 ) ; return ; }		wikipic.set_slide_description ( wikipic.slide_counter ) ; $('#wikipic_loading_first_slide').remove ; var h = '' ; if ( is_first_slide ) h += "<div id='wikipic_loading_first_slide' class='wikipic_faint'>" + wikipic.i18n.first_slide + " " ; h += "" ; h += "<img id='wikipic_slide_2' src='" + o.real_thumburl + "' style='position:relative;left:0px;" ; if ( o.imageinfo[0].width > o.imageinfo[0].height ) { var y = Math.floor ( ( wikipic.slide_height - o.imageinfo[0].thumbheight ) / 2 ) ; h += "top:"+y+"px;" ; h += "max-width:" + wikipic.slide_width + "px;" ; } else { var y = Math.floor ( ( wikipic.slide_height - o.imageinfo[0].thumbheight ) / 2 ) ; h += "top:"+y+"px;" ; h += "max-height:" + wikipic.slide_height + "px;" ; }		h += "z-index:2' border=0 />" ; h += "</a>" ; $('#wikipic_slide').append ( h ) ; $('#wikipic_slide_1').remove ; $('#wikipic_slide_2').attr ( 'id', 'wikipic_slide_1' ) ; $('#wikipic_slide_1').css ( 'z-index', '1' ) ; if ( wikipic.mode == 'info' ) { if ( $('#wikipic_slide_1').get(0).complete ) { $('#wikipic_slideshow_spinning').hide ; } else { $('#wikipic_slide_1').load ( function { $('#wikipic_slideshow_spinning').hide } ) ; }		}

wikipic.slide_counter++ ; if ( wikipic.slide_counter >= wikipic.files.length ) wikipic.slide_counter = 0 ;

if ( wikipic.mode == 'info' ) { $('#wikipic_loading_first_slide').remove ; return ; }		if ( prevent_timer_start === undefined ) { $('#wikipic_slideshow_spinning').show ; if ( is_first_slide ) wikipic.first_slide_hack ( wikipic.slide_counter ) ; else wikipic.preload_slideshow_image ( wikipic.slide_counter, false ) ; } else { $('#wikipic_slideshow_spinning').show ; setTimeout ( wikipic.slideshow_clear_spinning, 250 ) ; }	} ,	slideshow_clear_spinning : function { if ( !$('#wikipic_slide_1').get(0).complete ) { setTimeout ( wikipic.slideshow_clear_spinning, 250 ) ; return ; }		$('#wikipic_slideshow_spinning').hide ; } ,	set_slide_description : function ( counter ) { var o = wikipic.files[counter] ; var desc_id = 'wikipic_slide_desc_' + counter ; var h = "<div id='wikipic_slideshow_info_wrapper'>" ; if ( o.is_commons && wikipic.mode != 'fullscreen' ) { var url = '//commons.wikimedia.org' ; var onclick_pause = " onclick='wikipic.on_slideshow_button(\"pause\");wikipic.open_url(\"" + url + "\");return true' " ; h += "<div id='wikipic_slideshow_commons_logo'>" ; h += "<img border=0 src='" + wikipic.icons.commons + "' /></a>" ; h += " " ; }		if ( wikipic.mode == 'slideshow' || wikipic.mode == 'fullscreen' ) { h += "<div class='wikipic_faint'" ; h += ">" + (counter+1) + " / " + wikipic.files.length + " " ; } else { h += " " ; }		h += "<div style='" ; if ( wikipic.mode != 'fullscreen' ) h += "max-width:220px;" ; h += "'>" + o.name + " " ; if ( wikipic.mode != 'fullscreen' ) h += "<div id='" + desc_id + "'><span class='wikipic_faint'>" + wikipic.i18n.loading_desc + " " ; h += " " ; $('#wikipic_slide_desc').html ( h ) ; if ( wikipic.mode == 'info' ) { $('#wikipic_slideshow_info_wrapper').css ( { 'max-height' : wikipic.slide_height } ) ; } else if ( wikipic.mode == 'fullscreen' ) { $('#wikipic_slideshow_info_wrapper').css ( { 'top' : '2px', 'width' : 'auto' , 'max-width' : '' } ) ; $('#wikipic_slideshow_info_wrapper div').css ( { 'color' : '#999999' } ) ; } else { $('#wikipic_slideshow_info_wrapper').css ( { 'max-height' : 450 } ) ; }		if ( wikipic.mode != 'fullscreen' ) wikipic.update_slide_description ( counter ) ; } ,

precache_file_desc : function ( o ) { // Load description var api = o.is_commons ? wikipic.api_commons : wikipic.api_local ; $.getJSON ( api, {			action : 'parse' ,			page : 'File:'+o.name ,			prop : 'text|categories|externallinks' , //|langlinks|links|templates|images|sections|revid|displaytitle			format : 'json'		} , function ( data ) {			o.html_desc = data ;		} ) ; } ,	update_slide_description : function ( counter ) { if ( wikipic.files[counter] === undefined || wikipic.files[counter].html_desc === undefined ) { setTimeout ( "wikipic.update_slide_description(" + counter + ")", 250 ) ; return ; }

var o = wikipic.files[counter] ; var desc_id = 'wikipic_slide_desc_' + counter ; var data = wikipic.files[counter].html_desc ; var t = $( ' ' + data.parse.text['*'] + ' ' ) ; $.each ( [ 'layouttemplate', 'licensetpl' , 'editsection' ] , function ( k , v ) {			t.find('.'+v).remove ;		} ) ; $.each ( [ 1, 2 , 3 , 4 , 5 , 6 ] , function ( k , v ) {			t.find('h'+v).remove ;		} ) ; t.find('ul').remove ; var onclick_pause_start = " onclick='wikipic.on_slideshow_button(\"pause\");" ; var onclick_pause = onclick_pause_start + "return true' " ; var missing = "<span class='wikipic_faint'>" + wikipic.i18n.missing + " " ; var desc ; var desc_en ; // Fallback var desc_last = missing ;

if ( t.find('#fileinfotpl_desc').length == 0 ) { // Presumably, no template if ( $('#rationale_purp').length == 0 ) { // Not a non-free one var s = t.text ; // Use the entire page if ( s != '' ) desc_last = s ; }		} else { var x = $($(t.find('#fileinfotpl_desc').get(0)).next) ; if ( x.length > 0 ) desc_last = x.text ; }		var dx = $(t.find('#fileinfotpl_art_title')) ; if ( dx.length > 0 ) { dx = $($(dx.get(0)).next) ; if ( dx.length > 0 ) desc_last = $(dx.get(0)).text ; }		$.each ( $(t.find('div.description')), function ( k , v ) {			var d = $(v) ;			d.find('span.language').remove ;			desc_last = d.text ;			var al = d.attr('xml:lang') ;			if ( al === undefined ) return ;			if ( al == 'en' ) desc_en = desc_last ;			if ( al == wikipic.lang ) desc = desc_last ;		} ) ; if ( desc === undefined ) { if ( desc_en === undefined ) desc = desc_last ; else desc = desc_en ; }		var author = $(t.find('#creator')) ; if ( author.length > 0 ) { author = $(author.get(0)).text.toString ; } else { author = $(t.find('#fileinfotpl_aut')) ; if ( author.length > 0 ) author = $(author.next) ; if ( author.length > 0 ) author = author.text ; }		if ( typeof author == 'string' ) {} else if ( author.length == 0 ) author = '' ; else author = author.text ; if ( author == '' ) author = missing ; var date = $(t.find('#fileinfotpl_date')) ; if ( date.length == 0 ) date = '' ; else { date = $(date.next) ; if ( date.length == 0 ) date = '' ; else date = date.text ; }		if ( date == '' ) date = missing ; var categories = [] ; var licenses = [] ; if ( data.parse.categories !== undefined ) { $.each ( data.parse.categories, function ( k , v ) {				var is_license = false ;				var is_useful = true ;				var cn = v['*'].replace ( /_/g , ' ' ) ;

$.each ( [ /^CC-/i, /^PD\b/i , /^GFDL\b/i , /copyright/i ] , function ( k2 , v2 ) {					if ( cn.match ( v2 ) ) is_license = true ;				} ) ;

$.each ( wikipic.not_useful, function ( k2 , v2 ) {					if ( cn.match ( v2 ) ) is_useful = false ;				} ) ; var cn_url = '/wiki/Category:' + encodeURIComponent ( cn ) ; if ( o.is_commons ) cn_url = '//commons.wikimedia.org' + cn_url ; var link_fix = onclick_pause_start + "wikipic.open_url(\"" + cn_url + "\");return false' href='" + cn_url + "'" ; if ( is_license ) { var h = '' ; if ( cn.match ( /^PD\b/ ) || cn.match ( /^CC-PD-Mark$/i ) ) h = "<img border=0 src='" + wikipic.icons.public_domain + "' />" ; else if ( cn.match ( /^GFDL\b/i ) ) h = "<img border=0 src='" + wikipic.icons.gnu + "' />" ; else if ( cn.match ( /^CC\b/i ) ) { h = "<img border=0 src='" + wikipic.icons.creative_commons + "' />"; var h2 = '' ; if ( cn.match ( /\bBY\b/ ) ) h2 += "<img border=0 src='" + wikipic.icons.cc_by + "' />" ; if ( cn.match ( /\bSA\b/ ) ) h2 += "<img border=0 src='" + wikipic.icons.cc_sa + "' />" ; if ( h2 != '' ) h += " " + h2 ; }					if ( h == '' ) { licenses.push ( "   " + cn + "</a>  " ) ; } else { licenses.push ( " <td style='text-align:center'>" + h + "</a> " + cn + "  " ) ; }				} else if ( is_useful ) { categories.push ( " " + cn + "</a> " ) ; }			} ) ;		}		// Generate HTML		var h = '' ;		h += " " ;		}

h += " " ; h += " " ; h += "" + wikipic.i18n.open_file_description_page + "</a>" ; if ( $('#'+desc_id).get(0) ) { $('#'+desc_id).html ( h ) ; }

} ,	/* adds a file to the dialog */ add_file : function ( title ) { if ( wikipic.mode == 'gallery' ) wikipic.add_file2gallery ( title ) ; if ( wikipic.mode == 'fullscreen' ) wikipic.add_file2fullscreen ( title ) ; if ( wikipic.mode == 'slideshow' ) wikipic.add_file2slideshow ( title ) ; if ( wikipic.mode == 'info' ) wikipic.add_file2slideshow ( title ) ; } ,	add_file2fullscreen : function ( title ) { wikipic.add_file2slideshow ( title ) ; } ,

add_file2slideshow : function ( title ) { var id = wikipic.files.length ; var o = { name : title } ; wikipic.files.push ( o ) ; var wsw = wikipic.slide_width ; var wsh = wikipic.slide_height ; if ( wikipic.mode == 'fullscreen' ) { // Round to nearest 100 in fullscreen mode wsw -= wsw % 100 ; wsh = Math.floor ( wsh / wikipic.slide_width * wsw ) ; //			wsh -= wsh % 100 ; }		var api = wikipic.api_local ; // Can always be local $.getJSON ( api, { 			action : 'query' ,			titles : 'File:'+title ,			prop : 'imageinfo' ,			iiprop : 'url|size' ,			iiurlwidth : wsw ,			iiurlheight : wsh ,			format : 'json'		} , function ( data ) {			$.each ( data.query.pages , function ( k , v ) { if ( v.imageinfo[0].width <= wikipic.min_slideshow_image_size && v.imageinfo[0].height <= wikipic.min_slideshow_image_size ) return ; v.name = o.name ; v.id = id ; v.is_commons = v.imagerepository == 'shared' ; var use_real_image_factor = 1.2 ; // If the full image is only this much bigger, don't generate a thumbnail if ( wsw * use_real_image_factor >= v.imageinfo[0].width &&					wsh * use_real_image_factor >= v.imageinfo[0].height ) { // Just use real image, no need for thumbnailing v.real_thumbheight = v.imageinfo[0].height ; v.real_thumburl = v.imageinfo[0].url ; } else { v.real_thumbheight = v.imageinfo[0].thumbheight ; v.real_thumburl = v.imageinfo[0].thumburl ; }				wikipic.files[id] = v ; wikipic.precache_file_desc ( wikipic.files[id] ) ; if ( id == 0 ) wikipic.preload_slideshow_image ( 0, true ) ; } ) ;		} ) ;	} ,	first_slide_hack : function ( counter ) { if ( !$('#wikipic_slide_1').get(0).complete ) { $('#wikipic_slideshow_spinning').show ; wikipic.slideshow_timer_is_on = true ; wikipic.slideshow_timer = setTimeout ( 'wikipic.first_slide_hack('+counter+')', 250 ) ; } else { $('#wikipic_slideshow_spinning').hide ; $('#wikipic_loading_first_slide').remove ; wikipic.slideshow_timer_is_on = false ; wikipic.preload_slideshow_image ( counter, false ) ; }	} ,	wait_for_slideshow_image_to_load : function { wikipic.slideshow_timer_is_on = true ;

if ( !$('#wikipic_slide_preload').get(0).complete ) { wikipic.slideshow_timer = setTimeout ( 'wikipic.wait_for_slideshow_image_to_load', 250 ) ; return ; }

$('#wikipic_slideshow_spinning').hide ; var d = new Date ; var timeDiff = d.getTime - wikipic.start_time.getTime ; if ( timeDiff < wikipic.slideshow_delay ) { wikipic.slideshow_timer = setTimeout ( 'wikipic.wait_for_slideshow_image_to_load', 250 ) ; return ; }		wikipic.slideshow_timer_is_on = false ; wikipic.next_slide ( false ) ; } ,	preload_slideshow_image : function ( id, is_first_slide ) { var o = wikipic.files[id] ; // Just in case the metadata hasn't loaded yet... if ( o.imageinfo === undefined ) { setTimeout ( 'wikipic.preload_slideshow_image('+id+','+is_first_slide+')', 250 ) ; return ; } //		$('#wikipic_slideshow_spinning').hide ; $('#wikipic_slide_preload').remove ; h = "<img id='wikipic_slide_preload' src='" + o.real_thumburl + "' style='display:none' />" ; $('#wikipic_dialog_content').prepend ( h ) ;

if ( is_first_slide ) { wikipic.next_slide ( true ) ; } else { wikipic.start_time = new Date ; wikipic.slideshow_timer_is_on = true ; wikipic.wait_for_slideshow_image_to_load ; //			wikipic.slideshow_timer = setTimeout ( "wikipic.wait_for_slideshow_image_to_load", 250 ) ; }

} ,	add_file2gallery : function ( title ) { var id = wikipic.files.length ; var o = { name : title } ; wikipic.files.push ( o ) ; var api = wikipic.api_local ; // Can always be local $.getJSON ( api, { 			action : 'query' ,			titles : 'File:'+title ,			prop : 'imageinfo' ,			iiprop : 'url|size' ,			iiurlwidth : wikipic.thumbsize*wikipic.thumb_zoom,			iiurlheight : wikipic.thumbsize*wikipic.thumb_zoom ,			format : 'json'		} , function ( data ) {			$.each ( data.query.pages , function ( k , v ) { v.name = o.name ; v.id = id ; wikipic.files[id] = v ; var h = wikipic.get_thumbnail ( v ) ; $('#wikipic_dialog_content').append ( h ) ; $('#wikipic_dialog').dialog('option', 'position', 'center'); } ) ;		} ) ;	} ,	/* creates small and zoomed thumbnail, hiding zoomed version by default */ get_thumbnail : function ( o ) { var tw = Math.floor(parseInt(o.imageinfo[0].thumbwidth)/wikipic.thumb_zoom) ; // Normalized thumbnail width var th = Math.floor(parseInt(o.imageinfo[0].thumbheight)/wikipic.thumb_zoom) ; // Normalized thumbnail height

var h = "" ; h += "<div class='wikipic_thumb' id='wikipic_thumb_" + o.id + "' style='" ; h += "width:" + (wikipic.thumbsize+4) + "px;height:" + (wikipic.thumbsize+4) + "px;" if ( tw < wikipic.thumbsize ) { var d1 = Math.floor ( ( wikipic.thumbsize - tw ) / 2 ) ; var d2 = wikipic.thumbsize - tw - d1 ; h += "padding-left:" + d1 + "px;padding-right:" + d2 + "px;" ; } else { var d1 = Math.floor ( ( wikipic.thumbsize - th ) / 2 ) ; var d2 = wikipic.thumbsize - th - d1 ; h += "padding-top:" + d1 + "px;padding-bottom:" + d2 + "px;" ; }		h += "'>" ;

h += "<img id='wikipic_small_thumb_img_" + o.id + "' src='" + o.imageinfo[0].thumburl + "' style='background-color:white;width:"+tw+"px;height:"+th+"px;margin:2px' border=0 " ;

if ( wikipic.isTouchDevice ) { h += " ontouchstart='wikipic.show_large_thumbnail(" + o.id + ")' " ; } else { h += " onmouseover='wikipic.show_large_thumbnail(" + o.id + ")' " ; }		h += " />" ; h += " " ;

var h2 = '' ; h2 += "<div class='wikipic_large_thumb' id='wikipic_large_thumb_" + o.id + "' style='display:none;position:absolute;z-index:2;min-width:80px'" ; h2 += " onmouseout='wikipic.hide_large_thumbnail(" + o.id + ")' >" ; h2 += "" ; h2 += "<img src='" + o.imageinfo[0].thumburl + "'" ; if ( wikipic.zoom_factor != 1 ) h2 += " width='" + Math.floor ( o.imageinfo[0].thumbwidth*wikipic.zoom_factor ) + "px' " ; h2 += " />" ; h2 += "</a>" ; h2 += "<div style='max-width:" + o.imageinfo[0].thumbwidth + "px;margin-top:2px;'>" ; h2 += "<div class='wikipic_thumb_title_span'>" + o.name.replace(/\.[^.]+$/,'') + " " ; h2 += "<div class='wikipic_thumb_meta_span'>(" + o.imageinfo[0].width + "&times;" + o.imageinfo[0].height + "px) " ; h2 += " " ; h2 += " " ; $('#wikipic_dialog_content').prepend ( h2 ) ;

return h ; } ,	/* Calculates the position of a zoomed thumbnail and shows it */ show_large_thumbnail : function ( id ) { $('.wikipic_large_thumb').fadeOut('fast') ; var off = $('#wikipic_small_thumb_img_'+id).position ; var tw = parseInt ( $('#wikipic_small_thumb_img_'+id).width ) ; var th = parseInt ( $('#wikipic_small_thumb_img_'+id).height ) ; var w = parseInt ( wikipic.files[id].imageinfo[0].thumbwidth ) ; var h = parseInt ( wikipic.files[id].imageinfo[0].thumbheight ) ; var x = off.left - Math.floor ( ( w - tw ) / 2 ) ; var y = off.top - Math.floor ( ( h - th ) / 2 ) ; y -= 20 ; // Compensate for title and size - roughly... $('#wikipic_large_thumb_'+id).css ( { left : x, top : y } ) ; $('#wikipic_large_thumb_'+id).fadeIn ( 'fast' ) ; } ,

/* hides a specific zoomed thumbnail */ hide_large_thumbnail : function ( id ) { $('#wikipic_large_thumb_'+id).fadeOut ( 'fast' ) ; } ,	/* adds a file to the candidate list, and increases its usage counter */ add_candidate : function ( title ) { title = wikipic.remove_file_namespace ( title ) ; if ( title.replace(/ /g,'_') == wikipic.file.replace(/ /g,'_') ) return ; // Don't add the start image if ( wikipic.candidate_images[title] === undefined ) wikipic.candidate_images[title] = 1 ; else wikipic.candidate_images[title]++ ; } ,	/* compares the type of two files by ending; allows for JPG/JPEG etc. */ is_same_filetype : function ( f1, f2 ) { var m1 = f1.match ( /\.[^.]+$/ ) ; var m2 = f2.match ( /\.[^.]+$/ ) ; if ( m1 == null || m2 == null ) return false ; m1 = m1[0].toUpperCase ; m2 = m2[0].toUpperCase ; m1 = m1.replace ( /JPEG/, 'JPG' ) ; m2 = m2.replace ( /JPEG/, 'JPG' ) ; return m1 == m2 ; } ,	remove_file_namespace : function ( filename ) { return filename.replace ( /^[^:]+:/, '' ) ; } ,	myescape : function ( t ) { return t.replace ( "'", '%27' ). replace ( '"', '%22' ) ;	} ,	randomSort : function (a,b) {		return( parseInt( Math.random*10 ) %2 );	} ,	open_url : function ( url ) {		window.open(url,'_blank'); //		window.location = url ;	} ,	isTouchDevice : function {	    return "ontouchstart" in window;	} ,

the_end_of_the_object : '' // To avoid worrying about the final comma...

} ;

addOnloadHook ( function {	wikipic.init ; });

importStylesheetURI('//www.mediawiki.org/w/index.php?title=User:Magnus_Manske/wikipic.css&action=raw&ctype=text/css'); mw.loader.load( ['jquery.ui.dialog'] ) ;