Difference between revisions of "MediaWiki:Common.js"

Revision as of 11:56, 12 March 2017

/* Any JavaScript here will be loaded for all users on every page load. */

 /** Import module *************************************************************
  *
  *  Description: Includes a raw wiki page as javascript or CSS, 
  *               used for including user made modules.
  *  Maintainers: [[wikipedia:User:AzaToth]]
  */
 importedScripts = {}; // object keeping track of included scripts, so a script ain't included twice
 function importScript( page ) {
     if( importedScripts[page] ) {
         return;
     }
     importedScripts[page] = true;
     var url = wgScriptPath
             + '/index.php?title='
             + encodeURIComponent( page.replace( / /g, '_' ) )
             + '&action=raw&ctype=text/javascript';
     var scriptElem = document.createElement( 'script' );
     scriptElem.setAttribute( 'src' , url );
     scriptElem.setAttribute( 'type' , 'text/javascript' );
     document.getElementsByTagName( 'head' )[0].appendChild( scriptElem );
 }
 
 function importStylesheet( page ) {
     var sheet = '@import "'
               + wgScriptPath
               + '/index.php?title='
               + encodeURIComponent( page.replace( / /g, '_' ) )
               + '&action=raw&ctype=text/css";'
     var styleElem = document.createElement( 'style' );
     styleElem.setAttribute( 'type' , 'text/css' );
     styleElem.appendChild( document.createTextNode( sheet ) );
     document.getElementsByTagName( 'head' )[0].appendChild( styleElem );
 }

 /* Test if an element has a certain class **************************************
  *
  * Description: Uses regular expressions and caching for better performance.
  * Maintainers: [[wikipedia:User:Mike Dillon]], [[wikipedia:User:R. Koot]], [[wikipedia:User:SG]]
  */
 
 var hasClass = (function () {
     var reCache = {};
     return function (element, className) {
         return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
     };
 })();

 /** Internet Explorer bug fix **************************************************
  *
  *  Description: Fixes IE horizontal scrollbar bug
  *  Maintainers: [[wikipedia:User:Tom-]]?
  */
 
 if (navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat")
 {
   var oldWidth;
   var docEl = document.documentElement;
 
   function fixIEScroll()
   {
     if (!oldWidth || docEl.clientWidth > oldWidth)
       doFixIEScroll();
     else
       setTimeout(doFixIEScroll, 1);
   
     oldWidth = docEl.clientWidth;
   }
 
   function doFixIEScroll() {
     docEl.style.overflowX = (docEl.scrollWidth - docEl.clientWidth < 4) ? "hidden" : "";
   }
 
   document.attachEvent("onreadystatechange", fixIEScroll);
   attachEvent("onresize", fixIEScroll);
 }

/**
 * Dynamic Navigation Bars. See [[Wikipedia:NavFrame]]
 * 
 * Based on script from en.wikipedia.org, 2008-09-15.
 *
 * @source www.mediawiki.org/wiki/MediaWiki:Gadget-NavFrame.js
 * @maintainer Helder.wiki, 2012–2013
 * @maintainer Krinkle, 2013
 */
( function () {

// Set up the words in your language
var collapseCaption = 'hide';
var expandCaption = 'show';

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} e Event object
 */
function toggleNavigationBar( indexNavigationBar, e ) {
	var navChild,
		navToggle = document.getElementById( 'NavToggle' + indexNavigationBar ),
		navFrame = document.getElementById( 'NavFrame' + indexNavigationBar );

	// Prevent browser from jumping to href "#"
	e.preventDefault();

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

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

/**
 * Adds show/hide-button to navigation bars.
 *
 * @param {jQuery} $content
 */
function createNavigationBarToggleButton( $content ) {
	var i, j, navFrame, navToggle, navToggleText, navChild,
		indexNavigationBar = 0,
		navFrames = $content.find( 'div.NavFrame' ).toArray();

	// Iterate over all (new) nav frames
	for ( i = 0; i < navFrames.length; i++ ) {
		navFrame = navFrames[i];
		// If found a navigation bar
		indexNavigationBar++;
		navToggle = document.createElement( 'a' );
		navToggle.className = 'NavToggle';
		navToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
		navToggle.setAttribute( 'href', '#' );
		$( navToggle ).on( 'click', $.proxy( toggleNavigationBar, null, indexNavigationBar ) );

		navToggleText = document.createTextNode( navigationBarHide );
		for ( navChild = navFrame.firstChild; navChild != null; navChild = navChild.nextSibling ) {
			if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
				if ( navChild.style.display == 'none' ) {
					navToggleText = document.createTextNode( navigationBarShow );
					break;
				}
			}
		}

		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' ) ) {
				navFrame.childNodes[j].appendChild( navToggle );
			}
		}
		navFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
	}
}

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

}());

 document.getElementById('searchform').action = '/index.php';
 var searchInputs = document.getElementsByClassName('searchboxInput');
 for (var i = 0; i < searchInputs.length; ++i) { searchInputs[i].id = 'searchInput'; }