MediaWiki: Common.js

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

function ModifySidebar( action, section, name, link ) {
	try {
		switch ( section ) {
			case 'languages':
				var target = 'p-lang';
				break;
			case 'toolbox':
				var target = 'p-tb';
				break;
			case 'navigation':
				var target = 'p-navigation';
				break;
			default:
				var target = 'p-' + section;
				break;
		}
 
		if ( action == 'add' ) {
			var node = document.getElementById( target )
							   .getElementsByTagName( 'div' )[0]
							   .getElementsByTagName( 'ul' )[0];
 
			var aNode = document.createElement( 'a' );
			var liNode = document.createElement( 'li' );
 
			aNode.appendChild( document.createTextNode( name ) );
			aNode.setAttribute( 'href', link );
			liNode.appendChild( aNode );
			liNode.className = 'plainlinks';
			node.appendChild( liNode );
		}
 
		if ( action == 'remove' ) {
			var list = document.getElementById( target )
							   .getElementsByTagName( 'div' )[0]
							   .getElementsByTagName( 'ul' )[0];
 
			var listelements = list.getElementsByTagName( 'li' );
 
			for ( var i = 0; i < listelements.length; i++ ) {
				if (
					listelements[i].getElementsByTagName( 'a' )[0].innerHTML == name ||
					listelements[i].getElementsByTagName( 'a' )[0].href == link
				)
				{
					list.removeChild( listelements[i] );
				}
			}
		}
 
	} catch( e ) {
		// let's just ignore what's happened
		return;
	}
}
 
function CustomizeModificationsOfSidebar() {
	// adds [[Special:CategoryTree]] to toolbox
	ModifySidebar( 'add', 'courses', 'Essentials', 'http://thegrove.com.br/metodo/index.php?title=Lesson:Essentials' );
	// removes [[Special:Upload]] from toolbox
	ModifySidebar( 'remove', 'toolbox', 'Upload file', 'http://thegrove.com.br/metodo/index.php?title=Special:Upload' );
}
 
addOnloadHook( CustomizeModificationsOfSidebar );