MediaWiki:Gadget-site.js

/** * Scripts placed here are loaded on both desktop and mobile views. * * Desktop-only scripts should go in MediaWiki:Common.js * Mobile-only scripts should go in MediaWiki:Mobile.js. */

( function { 'use strict';

/* Variables for interface text used throughout the script, for ease of translating */ var i18n = { // Collapsible elements and page loader hideText: 'hide', showText: 'show', loadErrorTitle: 'An error occurred loading the content' };

/* Fired whenever wiki content is added. (#mw-content-text, live preview, load page, etc.) */ mw.hook( 'wikipage.content' ).add( function( $wikipageContent ) {

/** * Collapsible elements * * Add the "collapsible" class to an element and the child element with class "collapsible-content" * (or everything but the header row if a table) will be hidden when the element is collapsed. * * * Add the class "collapsed" to the element to make it start out collapsed. * * Add either "collapsetoggle-left" or "collapsetoggle-inline" to the element to choose the collapse *  toggle alignment (defaults to right). * * Add an ID in the format of "collapsible-" to the element to make any element with the class * "collapsetoggle-custom" and a matching class in the format of "collapsible--toggle" control *  the collapsing instead of the standard button. *  If the custom toggle contains an element with the "jslink" class, only that will be clickable. */ ( function {	var $collapsibles = $wikipageContent.find( '.collapsible' );	if ( !$collapsibles.length ) {		return;	}	var $toggleTemplate = $( ' ' ).addClass( 'collapsetoggle' ).append( '[', $( ' ' ).addClass( 'jslink' ), ']' );	$collapsibles.each( function { var $collapsible = $( this ); if ( $collapsible.data( 'made-collapsible' ) ) { return true; }		var $children = $collapsible.children; var showText = $collapsible.data( 'expandtext' ) || i18n.showText; var hideText = $collapsible.data( 'collapsetext' ) || i18n.hideText; // If there is no content area, add it		if ( !$collapsible.is( 'table' ) && !$children.filter( '.collapsible-content' ).length ) { if ( $collapsible.is( 'tr' ) ) { $children.addClass( 'collapsible-content' ); } else { $collapsible.wrapInner( ' ' ); $children = $collapsible.children; }		}		var $toggle; var id = $collapsible.attr( 'id' ); if ( id && id.match( /^collapsible-./ ) ) { $toggle = $( $wikipageContent[0].getElementsByClassName( id + '-toggle' ) ) .filter( '.collapsetoggle-custom' ).css( 'visibility', 'visible' ); }		// Create and insert the toggle button if there is no custom one if ( !$toggle || !$toggle.length ) { var $toggleContainer; if ( $collapsible.is( 'table' ) ) { var $rows = $children.filter( 'thead' ).children; if ( !$rows.length ) { $rows = $children.filter( 'tbody' ).first.children; if ( !$rows.length ) { $rows = $children.filter( 'tr' ); }				}				$toggleContainer = $rows.first.children.last; } else { $toggleContainer = $children.first; if ( $toggleContainer.hasClass( 'collapsible-content' ) ) { $toggleContainer = $collapsible; }			}			$toggle = $toggleTemplate.clone; if (				$toggleContainer !== $collapsible && ( $collapsible.hasClass( 'collapsetoggle-inline' ) || $collapsible.hasClass( 'collapse-button-none' ) ) ) {				$toggleContainer.append( $toggle ); } else { $toggleContainer.prepend( $toggle ); }		}		var $toggleLink = $toggle.find( '.jslink' ); if ( !$toggleLink.length ) { $toggleLink = $toggle; }		$toggleLink.attr( 'tabindex', 0 ).text( hideText ); // Find max toggle size, and set its min-width to it		var hideWidth = $toggle.width; $toggleLink.text( showText ); var showWidth = $toggle.width; if ( hideWidth !== showWidth ) { $toggle.css( 'min-width', hideWidth > showWidth ? hideWidth : showWidth ); }		// Set the text back to hide if it's not collapsed to begin with if ( !$collapsible.hasClass( 'collapsed' ) ) { $toggleLink.text( hideText ); }		$toggleLink.on( 'click keydown', function( e ) {			// Only trigger on enter press			if ( e.keyCode && e.keyCode !== 13 ) {				return;			}			// Don't toggle when clicking buttons or links inside the toggle			var $target = $( e.target );			if ( $target.is( 'button' ) || $target.is( 'a' ) ) {				return;			}			$collapsible.toggleClass( 'collapsed' );			if ( $collapsible.hasClass( 'collapsed' ) ) {				$toggleLink.text( showText );			} else {				$toggleLink.text( hideText );			}			// Stop table sorting activating when clicking the link			e.stopPropagation;		} ); $collapsible.data( 'made-collapsible', true ); } ); } );

/** * Page loader * * Allows a page to be downloaded and displayed on demand. * Use with Template:LoadPage and Template:LoadBox */ ( function {	var $loadPage = $wikipageContent.find( '.load-page' );	if ( !$loadPage.length ) {		return;	}	// We need the spinner to show loading is happening, but we don't want	// to have a delay while the module downloads, so we'll load this now,	// regardless of if something is clicked	mw.loader.load( 'jquery.spinner' );	// Create button starting with hide text	// Will be changed to the show text while calculating the maximum button size	var $buttonTemplate = $( ' ' ).addClass( 'mw-editsection-like load-page-button' )		.append( '[', $( ' ' ).addClass( 'jslink' ).text( i18n.hideText ), ']' );	var extractList = function( $contentContainer, listClass ) {		var $content = $contentContainer.find( '.mw-parser-output > ul > li > ul' ).children;		if ( listClass ) {			$content.addClass( listClass );		}		return $content;	};	$loadPage.each( function { var $body = $( this ); var page = $body.data( 'page' ); if ( !page ) { return; }		var template = $body.data( 'template' ); var treeview = $body.data( 'treeview' ); var treeviewClass = $body.data( 'treeviewclass' ); var $heading; var $contentContainer; var $content; var $button = $buttonTemplate.clone; var $buttonLink = $button.find( '.jslink' ); if ( treeview ) { $heading = $body; $contentContainer = $( ' ' ); } else { $heading = $body.children.first; $contentContainer = $body.find( '.load-page-content' ); }		// Add the button $heading.append( $button ); // Move the edit button to the right spot $contentContainer.find( '.mw-editsection, .mw-editsection-like' ).insertAfter( $button ); // Find max button width, and set its min-width to it		var hideWidth = $button.width; $buttonLink.text( i18n.showText ); var showWidth = $button.width; if ( hideWidth !== showWidth ) { $button.css( 'min-width', hideWidth > showWidth ? hideWidth : showWidth ); }		$buttonLink.click( function {			if ( $body.hasClass( 'pageloader-contentloaded' ) ) {				if ( $buttonLink.text === i18n.showText ) {					if ( treeview ) {						$content.insertAfter( $body );					} else {						$contentContainer.show;					}					$buttonLink.text( i18n.hideText );				} else {					if ( treeview ) {						$content.detach;					} else {						$contentContainer.hide;					}					$buttonLink.text( i18n.showText );				}				return;			}			// See if this was loaded elsewhere before making a request			var gotContent;			$( '.pageloader-contentloaded' ).each( function { var $fLoader = $( this ); if ( $fLoader.data( 'page' ) === page && $fLoader.data( 'pageloader-content' ) ) { $contentContainer.html( $fLoader.data( 'pageloader-content' ) ).removeClass( 'noscript' ); mw.hook( 'wikipage.content' ).fire( $contentContainer ); if ( treeview ) { $body.find( '.noscript' ).remove; $content = extractList( $contentContainer, treeviewClass ); $content.insertAfter( $body ); }					$buttonLink.text( i18n.hideText ); $body.addClass( 'pageloader-contentloaded' ); gotContent = true; return false; }			} );			if ( gotContent ) {				return;			}			// Just in-case the spinner module is still not ready yet			var $spinner = $;			mw.loader.using( 'jquery.spinner', function { // $spinner will be false if the content somehow loaded before the module did if ( $spinner ) { $spinner = $.createSpinner.addClass( 'mw-editsection-like' ) .css( 'min-width', $button.css( 'min-width' ) ); $button.hide.after( $spinner ); }			} );			var requestData = {				action: 'parse',				prop: 'text|modules|jsconfigvars'			};			if ( template ) {				requestData.page = page;			} else {				requestData.title = mw.config.get( 'wgPageName' );				requestData.text = '{' + '{:' + page + '}}';			}			new mw.Api.get( requestData ).done( function( data ) { // Add config and modules if ( data.parse.jsconfigvars ) { mw.config.set( data.parse.jsconfigvars ); }				if ( data.parse.modules ) { mw.loader.load( data.parse.modules.concat( data.parse.modulescripts, data.parse.modulestyles ) );				}				var html = data.parse.text['*']; $contentContainer.html( html ).removeClass( 'noscript' ); // Resolve self-links if ( template ) { var curPage = '/' + mw.config.get( 'wgPageName' ); $contentContainer.find( 'a' ).each( function {						var $link = $( this );						if ( $link.attr( 'href' ) === curPage ) {							$link.replaceWith( $( ' ' ).addClass( 'selflink' ).append( $link.contents ) );						}					} ); html = $contentContainer.html; }				$body.data( 'pageloader-content', html ); // Fire content hook on the new content, running all this stuff again and more :)				mw.hook( 'wikipage.content' ).fire( $contentContainer );				if ( treeview ) {					$body.find( '.noscript' ).remove;					$content = extractList( $contentContainer, treeviewClass );					$content.insertAfter( $body );				}				$spinner.remove;				$spinner = false;				$buttonLink.text( i18n.hideText );				$button.show;				$body.addClass( 'pageloader-contentloaded' );			} ).fail( function( _, error ) {				$spinner.remove;				$spinner = false;				$button.show;				var errorText = '';				if ( error.textStatus ) {					errorText = error.textStatus;				} else if ( error.error ) {					errorText = error.error.info;				}				mw.notify( errorText, { title: i18n.loadErrorTitle, autoHide: false } );			} ); } );	} ); } );

/** * Set minimum height for animations to prevent moving the page if the frames * differ in height */ ( function {	// Set frames to be visible for measuring height	var $animated = $wikipageContent.find( '.animated' ).addClass( 'animated-visible' );	// Group frames per animation	var animateds = [];	$animated.each( function { animateds.push( {			$: $( this ).find( '> .animated-subframe' ).addBack				.find( '> *:not(.animated-subframe)' ),		} ); } );	// Get highest frame for each animation (if heights differ)	$.each( animateds, function { var minHeight = 0, differentHeights; this.$.each( function {			var height = this.offsetHeight;			differentHeights = differentHeights || minHeight && height !== minHeight;			minHeight = Math.max( height, minHeight );		} ); if ( differentHeights ) { this.height = minHeight; }	} );	// Set animation to be at least as tall as the tallest frame,	// and set the non-active frames to be hidden again	$animated.each( function( i ) { $( this ).css( 'min-height', animateds[i].height ); } ).removeClass( 'animated-visible' ); } );

} ); /* End wiki content hook */

/* Fires when DOM is ready */ $( function {

/** * Element animator * * Cycles through a set of elements (or "frames") on a 2 second timer per frame * Add the "animated" class to the frame containing the elements to animate. * Optionally, add the "animated-active" class to the frame to display first. * Optionally, add the "animated-subframe" class to a frame, and the * "animated-active" class to a subframe within, in order to designate a set of * subframes which will only be cycled every time the parent frame is displayed. * Animations with the "animated-paused" class will be skipped each interval. * * Requires some styling from MediaWiki:Gadget-site-styles.css. */ ( function {	var $content = $( '#mw-content-text' );	var advanceFrame = function( parentElem, parentSelector ) {		var curFrame = parentElem.querySelector( parentSelector + ' > .animated-active' );		$( curFrame ).removeClass( 'animated-active' );		var $nextFrame = $( curFrame && curFrame.nextElementSibling || parentElem.firstElementChild );		return $nextFrame.addClass( 'animated-active' );	};	// Set the name of the hidden property	var hidden; 	if ( typeof document.hidden !== 'undefined' ) {		hidden = 'hidden';	} else if ( typeof document.msHidden !== 'undefined' ) {		hidden = 'msHidden';	} else if ( typeof document.webkitHidden !== 'undefined' ) {		hidden = 'webkitHidden';	}	setInterval( function { if ( hidden && document[hidden] ) { return; }		$content.find( '.animated' ).each( function {			if ( $( this ).hasClass( 'animated-paused' ) ) {				return;			}			var $nextFrame = advanceFrame( this, '.animated' );			if ( $nextFrame.hasClass( 'animated-subframe' ) ) {				advanceFrame( $nextFrame[0], '.animated-subframe' );			}		} ); }, 2000 ); } );

} ); /* End DOM ready */

} );