MediaWiki:Common.js

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

/*** From http://en.wikipedia.org/wiki/MediaWiki:Common.js *********************/ /* Test if an element has a certain class ************************************** * * From English Wikipedia, 2008-09-15 * * Description: Uses regular expressions and caching for better performance. * Maintainers: User:Mike Dillon, User:R. Koot, 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 );	}; });

/** Collapsible tables ********************************************************* * * Description: Allows tables to be collapsed, showing only the header. See *              NavFrame. * Maintainers: User:R. Koot */

var autoCollapse = 2; var collapseCaption = "hide"; var expandCaption = "show";

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

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

var Rows = Table.rows;

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

function createCollapseButtons{ var tableIndex = 0; var NavigationBoxes = new Object; var Tables = document.getElementsByTagName( "table" );

for ( var i = 0; i < Tables.length; i++ ) { if ( hasClass( Tables[i], "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 );

Button.className = "collapseButton"; //Styles are declared in Common.css

ButtonLink.style.color = Header.style.color; ButtonLink.setAttribute( "id", "collapseButton" + tableIndex ); ButtonLink.setAttribute( "href", "#" ); addHandler( ButtonLink, "click", new Function( "evt", "collapseTable(" + tableIndex + " ); return killEvt( evt );") ); ButtonLink.appendChild( ButtonText );

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

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

for ( var i = 0; i < tableIndex; i++ ) { if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) { collapseTable( i ); }        else if ( hasClass( NavigationBoxes[i], "innercollapse" ) ) { var element = NavigationBoxes[i]; while (element = element.parentNode) { if ( hasClass( element, "outercollapse" ) ) { collapseTable ( i ); break; }           }        }    } }

$( createCollapseButtons );