MediaWiki:Common.js

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

/** Collapsible tables ********************************************************* * * Description: Allows tables to be collapsed, showing only the header. See *			  http://www.mediawiki.org/wiki/Manual:Collapsible_tables. * Maintainers: en:User:R. Koot */ 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; 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 MediaWiki:Common.css ButtonLink.style.color = Header.style.color; ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex ); ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" ); ButtonLink.appendChild( ButtonText ); Button.appendChild( document.createTextNode( '[' ) ); Button.appendChild( ButtonLink ); Button.appendChild( document.createTextNode( ']' ) ); Header.insertBefore( Button, Header.childNodes[0] ); 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; }			}		}	} } addOnloadHook( createCollapseButtons ); /** Test if an element has a certain class ************************************** * * 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 );	}; });

// Code adds a checkbox at the top of the Special:RecentChanges list, next to the header. // Ticking it sets a cookie (should be individual to wikis) and starts updating the RC list. // This occurs silently every 60 seconds without a full page reload occuring.

function setCookie(c_name,value,expiredays) { var exdate=new Date exdate.setDate(exdate.getDate+expiredays) document.cookie=c_name+ "=" +escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString) }

function getCookie(c_name) { if (document.cookie.length>0) { c_start=document.cookie.indexOf(c_name + "=") if (c_start!=-1) { c_start=c_start + c_name.length+1 c_end=document.cookie.indexOf(";",c_start) if (c_end==-1) c_end=document.cookie.length return unescape(document.cookie.substring(c_start,c_end)) } } return "" }

function getXmlHttpRequestObject { if (window.XMLHttpRequest) { return new XMLHttpRequest; //Not Internet Explorer } else if(window.ActiveXObject) { return new ActiveXObject("Microsoft.XMLHTTP"); //Internet Explorer } else { //fail silently } } getRCDataRO = getXmlHttpRequestObject; var cr = new RegExp("\r", "gm"); var lf = new RegExp("\n", "gm"); var endText = new RegExp(' [\t\s]*?[\t\s]*? ', "mi"); var rcTimer; var rcRefresh = 60000; function preloadAJAXRC { s = 0; ajaxRCCookie = getCookie("ajaxRC")=="on" ? true:false; document.getElementsByTagName("h1")[s].innerHTML += ' AUTO-REFRESH: '; document.getElementById("ajaxRCtoggle").checked = ajaxRCCookie; if (getCookie("ajaxRC")=="on") loadRCData; }

function toggleRC { if (document.getElementById("ajaxRCtoggle").checked == true) { setCookie("ajaxRC", "on", 30); loadRCData; } else { setCookie("ajaxRC", "off", 30); clearTimeout(rcTimer); } }

function loadRCData { if (getRCDataRO.readyState == 4 || getRCDataRO.readyState == 0) { if (location.href.indexOf("/")) { rcURL = "http://" + location.hostname + "/Special:RecentChanges" + location.search; } else { rcURL = "http://" + location.hostname + "/Special:RecentChanges" + location.search; } getRCDataRO.open("GET", rcURL, true); getRCDataRO.onreadystatechange = parseRCdata; getRCDataRO.send(null); } }

function parseRCdata { if (getRCDataRO.readyState == 4) { textFilter = new RegExp(' .*? [\t\s]*?[\t\s]*? ', "i"); rawRCdata = getRCDataRO.responseText.replace(cr, "").replace(lf, ""); filteredRCdata = textFilter.exec(rawRCdata); updatedText = filteredRCdata[0].replace(' ', "").replace(endText, ""); document.getElementById("bodyContent").innerHTML = updatedText; rcTimer = setTimeout("loadRCData;", rcRefresh); } }

if (wgPageName == "Special:RecentChanges") addOnloadHook(preloadAJAXRC);