MediaWiki:Common.js

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/**
 * Keep code in MediaWiki:Common.js to a minimum as it is unconditionally
 * loaded for all users on every wiki page. If possible create a gadget that is
 * enabled by default instead of adding it here (since gadgets are fully
 * optimized ResourceLoader modules with possibility to add dependencies etc.)
 *
 * Since Common.js isn't a gadget, there is no place to declare its
 * dependencies, so we have to lazy load them with mw.loader.using on demand and
 * then execute the rest in the callback. In most cases these dependencies will
 * be loaded (or loading) already and the callback will not be delayed. In case a
 * dependency hasn't arrived yet it'll make sure those are loaded before this.
 */

/* global mw, $ */
/* jshint strict:false, browser:true */

mw.loader.using( ['mediawiki.user', 'mediawiki.util', 'mediawiki.notify'] ).done( function () {
/* Begin of mw.loader.using callback */

/**
 * Main Page layout fixes
 *
 * Description: Adds an additional link to the complete list of languages available.
 * Maintainers: [[User:AzaToth]], [[User:R. Koot]], [[User:Alex Smotrov]]
 */
if ( mw.config.get( 'wgPageName' ) === 'Main_Page' || mw.config.get( 'wgPageName' ) === 'Talk:Main_Page' ) {
	$( function () {
		mw.util.addPortletLink( 'p-lang', '//meta.wikimedia.org/wiki/List_of_Wikipedias',
			'Complete list', 'interwiki-completelist', 'Complete list of Wikipedias' );
	} );
}

/**
 * Redirect User:Name/skin.js and skin.css to the current skin's pages
 * (unless the 'skin' page really exists)
 * @source: http://www.mediawiki.org/wiki/Snippets/Redirect_skin.js
 * @rev: 2
 */
if ( mw.config.get( 'wgArticleId' ) === 0 && mw.config.get( 'wgNamespaceNumber' ) === 2 ) {
	var titleParts = mw.config.get( 'wgPageName' ).split( '/' );
	/* Make sure there was a part before and after the slash
	   and that the latter is 'skin.js' or 'skin.css' */
	if ( titleParts.length == 2 ) {
		var userSkinPage = titleParts.shift() + '/' + mw.config.get( 'skin' );
		if ( titleParts.slice( -1 ) == 'skin.js' ) {
			window.location.href = mw.util.getUrl( userSkinPage + '.js' );
		} else if ( titleParts.slice( -1 ) == 'skin.css' ) {
			window.location.href = mw.util.getUrl( userSkinPage + '.css' );
		}
	}
}

/**
 * Map addPortletLink to mw.util
 * @deprecated: Use mw.util.addPortletLink instead.
 */
mw.log.deprecate( window, 'addPortletLink', mw.util.addPortletLink, 'Use mw.util.addPortletLink instead' );

/**
 * Extract a URL parameter from the current URL
 * @deprecated: Use mw.util.getParamValue with proper escaping
 */
mw.log.deprecate( window, 'getURLParamValue', mw.util.getParamValue, 'Use mw.util.getParamValue instead' );

/**
 * Test if an element has a certain class
 * @deprecated:  Use $(element).hasClass() instead.
 */
mw.log.deprecate( window, 'hasClass', function ( element, className ) {
	return $( element ).hasClass( className );
}, 'Use jQuery.hasClass() instead' );

/**
 * @source www.mediawiki.org/wiki/Snippets/Load_JS_and_CSS_by_URL
 * @rev 6
 */
var extraCSS = mw.util.getParamValue( 'withCSS' ),
	extraJS = mw.util.getParamValue( 'withJS' );

if ( extraCSS ) {
	if ( extraCSS.match( /^MediaWiki:[^&<>=%#]*\.css$/ ) ) {
		mw.loader.load( '/w/index.php?title=' + extraCSS + '&action=raw&ctype=text/css', 'text/css' );
	} else {
		mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withCSS value' } );
	}
}

if ( extraJS ) {
	if ( extraJS.match( /^MediaWiki:[^&<>=%#]*\.js$/ ) ) {
		mw.loader.load( '/w/index.php?title=' + extraJS + '&action=raw&ctype=text/javascript' );
	} else {
		mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withJS value' } );
	}
}

/**
 * WikiMiniAtlas
 *
 * Description: WikiMiniAtlas is a popup click and drag world map.
 *              This script causes all of our coordinate links to display the WikiMiniAtlas popup button.
 *              The script itself is located on meta because it is used by many projects.
 *              See [[Meta:WikiMiniAtlas]] for more information.
 * Note - use of this service is recommended to be repalced with mw:Help:Extension:Kartographer
 */
( function () {
	var require_wikiminiatlas = false;
	var coord_filter = /geohack/;
	$( function () {
		$( 'a.external.text' ).each( function( key, link ) {
			if ( link.href && coord_filter.exec( link.href ) ) {
				require_wikiminiatlas = true;
				// break from loop
				return false;
			}
		} );
		if ( $( 'div.kmldata' ).length ) {
			require_wikiminiatlas = true;
		}
		if ( require_wikiminiatlas ) {
			mw.loader.load( '//meta.wikimedia.org/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript' );
		}
	} );
} )();

/**
 * Collapsible tables; reimplemented with mw-collapsibe
 * Styling is also in place to avoid FOUC
 * 
 * Allows tables to be collapsed, showing only the header. See [[Help:Collapsing]].
 * @version 3.0.0 (2018-05-20)
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
 * @author [[User:R. Koot]]
 * @author [[User:Krinkle]]
 * @author [[User:TheDJ]]
 * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
 * is supported in MediaWiki core. Shimmable since MediaWiki 1.32
 */
function makeCollapsibleMwCollapsible( $content ) {
	var $tables = $content
		.find( 'table.collapsible' )
		.addClass( 'mw-collapsible' );

	$.each( $tables, function( index, table ) {
		// mw.log.warn( 'This page is using the deprecated class collapsible. Please replace it with mw-collapsible.');
		if( $( table ).hasClass( 'collapsed') ) {
			$( table ).addClass( 'mw-collapsed' );
			// mw.log.warn( 'This page is using the deprecated class collapsed. Please replace it with mw-collapsed.');
		}
	} );
	if( $tables.length > 0 ) {
		mw.loader.using( 'jquery.makeCollapsible' ).then( function() {
			$tables.makeCollapsible();
		} );
	}
}
mw.hook( 'wikipage.content' ).add( makeCollapsibleMwCollapsible );

/**
 * Add support to mw-collapsible for autocollapse, innercollapse and outercollapse
 *
 * Maintainers: TheDJ
 */
function mwCollapsibleSetup( $collapsibleContent ) {
	var $element,
		$toggle,
		autoCollapseThreshold = 2;
	$.each( $collapsibleContent, function (index, element) {
		$element = $( element );
		if ( $element.hasClass( 'collapsible' ) ) {
			$element.find('tr:first > th:first').prepend( $element.find('tr:first > * > .mw-collapsible-toggle'));
		}
		if ( $collapsibleContent.length > autoCollapseThreshold && $element.hasClass( 'autocollapse' ) ) {
			$element.data( 'mw-collapsible' ).collapse();
		} else if ( $element.hasClass( 'innercollapse' ) ) {
			if ( $element.parents( '.outercollapse' ).length > 0 ) {
				$element.data( 'mw-collapsible' ).collapse();
			}
		}
		// because of colored backgrounds, style the link in the text color
		// to ensure accessible contrast
		$toggle = $element.find( '.mw-collapsible-toggle' );
		if ( $toggle.length ) {
			// Make the toggle inherit text color
			if( $toggle.parent()[0].style.color ) {
				$toggle.find( 'a' ).css( 'color', 'inherit' );
			}
		}
	} );
}

mw.hook( 'wikipage.collapsibleContent' ).add( mwCollapsibleSetup );

/**
 * Dynamic Navigation Bars (experimental)
 *
 * Description: See [[Wikipedia:NavFrame]].
 * Maintainers: UNMAINTAINED
 */
 
var collapseCaption = 'hide';
var expandCaption = 'show';

// Set up the words in your language
var navigationBarHide = '[' + collapseCaption + ']';
var navigationBarShow = '[' + expandCaption + ']';

/**
 * Shows and hides content and picture (if available) of navigation bars.
 *
 * @param {number} indexNavigationBar The index of navigation bar to be toggled
 * @param {jQuery.Event} event Event object
 */
function toggleNavigationBar( indexNavigationBar, event ) {
	var navToggle = document.getElementById( 'NavToggle' + indexNavigationBar );
	var navFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
	var navChild;

	if ( !navFrame || !navToggle ) {
		return false;
	}

	// If shown now
	if ( navToggle.firstChild.data === navigationBarHide ) {
		for ( navChild = navFrame.firstChild; navChild !== null; navChild = navChild.nextSibling ) {
			if ( $( navChild ).hasClass( 'NavContent' ) || $( navChild ).hasClass( 'NavPic' ) ) {
				navChild.style.display = 'none';
			}
		}
		navToggle.firstChild.data = navigationBarShow;

	// If hidden now
	} else if ( navToggle.firstChild.data === navigationBarShow ) {
		for ( navChild = navFrame.firstChild; navChild !== null; navChild = navChild.nextSibling ) {
			if ( $( navChild ).hasClass( 'NavContent' ) || $( navChild ).hasClass( 'NavPic' ) ) {
				navChild.style.display = 'block';
			}
		}
		navToggle.firstChild.data = navigationBarHide;
	}

	event.preventDefault();
}

/**
 * Adds show/hide-button to navigation bars.
 *
 * @param {jQuery} $content
 */
function createNavigationBarToggleButton( $content ) {
	var i, j, navChild, navToggle, navToggleText, isCollapsed,
		indexNavigationBar = 0;
	// Iterate over all < div >-elements
	var $divs = $content.find( 'div.NavFrame' );
	$divs.each( function ( i, navFrame ) {
		indexNavigationBar++;
		navToggle = document.createElement( 'a' );
		navToggle.className = 'NavToggle';
		navToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
		navToggle.setAttribute( 'href', '#' );
		$( navToggle ).on( 'click', $.proxy( toggleNavigationBar, null, indexNavigationBar ) );

		isCollapsed = $( navFrame ).hasClass( 'collapsed' );
		/**
		 * Check if any children are already hidden.  This loop is here for backwards compatibility:
		 * the old way of making NavFrames start out collapsed was to manually add style="display:none"
		 * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
		 * the content visible without JavaScript support), the new recommended way is to add the class
		 * "collapsed" to the NavFrame itself, just like with collapsible tables.
		 */
		for ( navChild = navFrame.firstChild; navChild !== null && !isCollapsed; navChild = navChild.nextSibling ) {
			if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
				if ( navChild.style.display === 'none' ) {
					isCollapsed = true;
				}
			}
		}
		if ( isCollapsed ) {
			for ( navChild = navFrame.firstChild; navChild !== null; navChild = navChild.nextSibling ) {
				if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
					navChild.style.display = 'none';
				}
			}
		}
		navToggleText = document.createTextNode( isCollapsed ? navigationBarShow : navigationBarHide );
		navToggle.appendChild( navToggleText );

		// Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
		for ( j = 0; j < navFrame.childNodes.length; j++ ) {
			if ( $( navFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
				navToggle.style.color = navFrame.childNodes[j].style.color;
				navFrame.childNodes[j].appendChild( navToggle );
			}
		}
		navFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
	} );
}

mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

/**
 * Magic editintros ****************************************************
 *
 * Description: Adds editintros on disambiguation pages and BLP pages.
 * Maintainers: [[User:RockMFR]]
 */
function addEditIntro( name ) {
	$( '.mw-editsection, #ca-edit' ).find( 'a' ).each( function ( i, el ) {
		el.href = $( this ).attr( 'href' ) + '&editintro=' + name;
	} );
}

if ( mw.config.get( 'wgNamespaceNumber' ) === 0 ) {
	$( function () {
		if ( document.getElementById( 'disambigbox' ) ) {
			addEditIntro( 'Template:Disambig_editintro' );
		}
	} );

	$( function () {
		var cats = mw.config.get('wgCategories');
		if ( !cats ) {
			return;
		}
		if ( $.inArray( 'Living people', cats ) !== -1 || $.inArray( 'Possibly living people', cats ) !== -1 ) {
			addEditIntro( 'Template:BLP_editintro' );
		}
	} );
}

/* Actions specific to the edit page */
if ( mw.config.get( 'wgAction' ) === 'edit' || mw.config.get( 'wgAction' ) === 'submit' ) {
	/**
	 * Fix edit summary prompt for undo
	 *
	 *  Fixes the fact that the undo function combined with the "no edit summary prompter"
	 *  complains about missing editsummary, if leaving the edit summary unchanged.
	 *  Added by [[User:Deskana]], code by [[User:Tra]].
	 *  See also [[phab:T10912]].
	 */
	$(function () {
		if (document.location.search.indexOf('undo=') !== -1 && document.getElementsByName('wpAutoSummary')[0]) {
			document.getElementsByName('wpAutoSummary')[0].value = '1';
		}
	});
}

/* End of mw.loader.using callback */
} );
/* DO NOT ADD CODE BELOW THIS LINE */
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