Difference between revisions of "MediaWiki:Common.js"

/* Any JavaScript here will be loaded for all users on every page load. */
//<pre>
/** Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 */
var hasClass = ( function() {
	var reCache = {};
	return function( element, className ) {
		return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
	};
})();

/*
    Source: http://www.dustindiaz.com/getelementsbyclass/
    getElementsByClass, which complements getElementById and getElementsByTagName, returns an array of all subelements of ''node'' that are tagged with a specific CSS class (''searchClass'') and are of the tag name ''tag''. If tag is null, it searches for any suitable elements regardless of the tag name.
    Example: getElementsByClass('infobox', document.getElementById('content'), 'div') selects the same elements as the CSS declaration #content div.infobox
*/
function getElementsByClass( searchClass, node, tag ) {
	var classElements = new Array();

	if( node == null ) {
		node = document;
	}

	if( tag == null ) {
		tag = '*';
	}

	var els = node.getElementsByTagName( tag );
	var elsLen = els.length;
	var tester = new ClassTester( searchClass );

	for( i = 0, j = 0; i < elsLen; i++ ) {
		if( tester.isMatch( els[i] ) ) {
			classElements[j] = els[i];
			j++;
		}
	}

	return classElements;
}

function ClassTester( className ) {
	this.regex = new RegExp( "(^|\\s)" + className + "(\\s|$)" );
}

ClassTester.prototype.isMatch = function( element ) {
	return this.regex.test( element.className );
}
/* end getElementsByClass */

/** Username replace function ([[template:USERNAME]]) *******************************
  * Inserts user name into <span class="insertusername"></span>
  */
function UserNameReplace() {
	if( typeof( disableUsernameReplace ) != 'undefined' && disableUsernameReplace || wgUserName == null ) {
		return;
    }
	var spans = getElementsByClass( 'insertusername', null, 'span' );

	for( var i = 0; i < spans.length; i++ ) {
		spans[i].innerHTML = wgUserName;
	}
}
jQuery( document ).ready( UserNameReplace );


/* Returns h1.firstHeading (the page title element). */
function getFirstHeading() {
	var elements = getElementsByClass( 'firstHeading', document.getElementById( 'content' ), 'h1' );
	return ( elements != null && elements.length > 0 ) ? elements[0] : null;
}

// BEGIN JavaScript title rewrite
// requires getFirstHeading() and getElementsByClass() and its dependencies
function rewriteTitle() {
	if( typeof( window.SKIP_TITLE_REWRITE ) != 'undefined' && window.SKIP_TITLE_REWRITE ) {
		return;
	}
 
	var titleDiv = document.getElementById( 'title-meta' );
 
	if( titleDiv == null ) {
		return;
	}
 
	var cloneNode = titleDiv.cloneNode( true );
	var firstHeading = getFirstHeading();
	var node = firstHeading.childNodes[0];
 
	// new, then old!
	firstHeading.replaceChild( cloneNode, node );
	cloneNode.style.display = 'inline';
 
	var titleAlign = document.getElementById( 'title-align' );
	firstHeading.style.textAlign = titleAlign.childNodes[0].nodeValue;
}
jQuery( document ).ready( rewriteTitle );
// END JavaScript title rewrite

// --------------------------------------------------------
// addSubpages
// adds a 'subpages' link to the toolbox bar (excludes File, MediaWiki and Category namespaces)
// --------------------------------------------------------
jQuery( document ).ready( function( $ ) {
  var NSWithoutSubpages = new Array(-1, 6, 8, 14);
  if (document.getElementById('p-tb') && NSWithoutSubpages.indexOf(wgNamespaceNumber) == -1)
    {
    var linkSubpages = '/wiki/Special:PrefixIndex/' + wgPageName + '/';
    mw.util.addPortletLink('p-tb', linkSubpages, 'Subpages', 't-subpages', 'Subpages of this page');
    }
} );
//


// --------------------------------------------------------
// addUserActivityLog
// adds a 'user activity log' link to the toolbox bar
// --------------------------------------------------------
jQuery( document ).ready( function( $ ) {
  if((wgUserGroups.indexOf("ServerManager") != -1 || wgUserGroups.indexOf("WikiHead") != -1) && (wgNamespaceNumber == 2 || wgNamespaceNumber == 3)){
    var linkUserLog = '../network/director.php?form_action=View%20User%20Daily%20Activity&user_activity_log=' + wgTitle; 
    mw.util.addPortletLink('p-tb', linkUserLog, 'User Activity Log', 't-userlog', 'View user daily activity');
  }
} );
//

// *****************************************************************
// &bot=1 on contribs pages (Special:Contributions/Foo).
// *****************************************************************
function hideRollback() {
	var botlink = document.location.href;
	if( botlink.indexOf( '?' ) == -1 ) {
		botlink += '?bot=1';
	} else {
		botlink += '&bot=1';
	}
	mw.util.addPortletLink( 'p-cactions', botlink, '&bot=1', 'ca-bot' );
}
if( wgCanonicalSpecialPageName == 'Contributions' ) {
	jQuery( document ).ready( hideRollback );
}

/* Auto-refresh button on Special:RecentChanges from mariowiki.com */
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 "";
}
var ajaxPages = new Array("Special:RecentChanges");
var ajaxRCOverride = false;
var rcRefresh = 15000;
function ajaxRC() {
	appTo = $(".mw-specialpage-summary");
	appTo.append('&nbsp;<span style="position:absolute; right:40px;"><span style="position:relative; top:-45px;"><span style="position:relative; top:-12px; right:-15px;" id="autoRefreshProgress"><img src="/images/loader.gif" border="0" alt=" " /></span><span style="font-size: xx-small; cursor:help;" title="Automatically refresh the current page every ' + Math.floor(rcRefresh / 1000) + ' seconds">AUTO-REFRESH:</span><input type="checkbox" id="autoRefreshToggle"></span></span>');
	$("#autoRefreshToggle").click(function () {
		setCookie("ajaxRC", $("#autoRefreshToggle").is(":checked") ? "on" : "off")
		loadRCData()
	});
	$("#autoRefreshProgress").hide();
	if (getCookie("ajaxRC") == "on" || ajaxRCOverride) {
		$("#autoRefreshToggle").attr("checked", "checked");
		setTimeout("loadRCData();", rcRefresh);
	}
}
function loadRCData() {
	if (!$("#autoRefreshToggle").is(":checked")) return;
	$('#autoRefreshProgress').show()
	$(article).load(location.href + " " + article + " > *", function (data) {
		$(article + " .mw-collapsible").makeCollapsible();
		$('#autoRefreshProgress').hide()
		if ($("#autoRefreshToggle").is(":checked")) setTimeout("loadRCData();", rcRefresh);
	});
}
$(function () {
	article = "#bodyContent";
	for (x in ajaxPages) {
		if (wgPageName == ajaxPages[x] && $("#autoRefreshToggle").length == 0) ajaxRC();
	}
});