Difference between revisions of "MediaWiki:Common.js"

Revision as of 11:58, 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);
 }

/**
 * Collapsible tables
 *
 * @version 2.0.2 (2014-03-14)
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
 * @author [[User:R. Koot]]
 * @author [[User:Krinkle]]
 * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
 * is supported in MediaWiki core.
 */
/*global $, mw */
var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';

function collapseTable( tableIndex ) {
	var Button = document.getElementById( 'collapseButton' + tableIndex );
	var Table = document.getElementById( 'collapsibleTable' + tableIndex );

	if ( !Table || !Button ) {
		return false;
	}

	var Rows = Table.rows;
	var i;

	if ( Button.firstChild.data === collapseCaption ) {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = 'none';
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = Rows[0].style.display;
		}
		Button.firstChild.data = collapseCaption;
	}
}

function createClickHandler( tableIndex ) {
	return function ( e ) {
		e.preventDefault();
		collapseTable( tableIndex );
	};
}

function createCollapseButtons() {
	var tableIndex = 0;
	var NavigationBoxes = {};
	var Tables = document.getElementsByTagName( 'table' );
	var i;

	for ( i = 0; i < Tables.length; i++ ) {
		if ( $( Tables[i] ).hasClass( 'collapsible' ) ) {
			/* only add button and increment count if there is a header row to work with */
			var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
			if ( !HeaderRow ) {
				continue;
			}
			var Header = HeaderRow.getElementsByTagName( 'th' )[0];
			if ( !Header ) {
				continue;
			}

			NavigationBoxes[tableIndex] = Tables[i];
			Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );

			var Button = document.createElement( 'span' );
			var ButtonLink = document.createElement( 'a' );
			var ButtonText = document.createTextNode( collapseCaption );
 			// TODO: Declare styles in [[MediaWiki:Gadget-collapsibleTables.css]]
			// Button.className = 'collapseButton';
			Button.style.styleFloat = 'right';
			Button.style.cssFloat = 'right';
			Button.style.fontWeight = 'normal';
			Button.style.textAlign = 'right';
			Button.style.width = '6em';

			ButtonLink.style.color = Header.style.color;
			ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
			ButtonLink.setAttribute( 'href', '#' );
			$( ButtonLink ).on( 'click', createClickHandler( tableIndex ) );
			ButtonLink.appendChild( ButtonText );

			Button.appendChild( document.createTextNode( '[' ) );
			Button.appendChild( ButtonLink );
			Button.appendChild( document.createTextNode( ']' ) );

			Header.insertBefore( Button, Header.firstChild );
			tableIndex++;
		}
	}

	for ( i = 0; i < tableIndex; i++ ) {
		if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) ||
			( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) )
		) {
			collapseTable( i );
		}
	}
}

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

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