Index: Gadgets_body.php
===================================================================
--- Gadgets_body.php	(wersja 98061)
+++ Gadgets_body.php	(kopia robocza)
@@ -65,6 +65,10 @@
 			$available = array();
 
 			foreach ( $thisSection as $gadget ) {
+				if ( $gadget->isHidden() ) {
+					continue;
+				}
+				
 				if ( $gadget->isAllowed( $user ) ) {
 					$gname = $gadget->getName();
 					$available[$gadget->getDescription()] = $gname;
@@ -224,7 +228,7 @@
 	/**
 	 * Increment this when changing class structure
 	 */
-	const GADGET_CLASS_VERSION = 5;
+	const GADGET_CLASS_VERSION = 6;
 
 	private $version = self::GADGET_CLASS_VERSION,
 			$scripts = array(),
@@ -235,6 +239,7 @@
 			$resourceLoaded = false,
 			$requiredRights = array(),
 			$onByDefault = false,
+			$hidden = false,
 			$category;
 
 	/**
@@ -278,6 +283,9 @@
 				case 'default':
 					$gadget->onByDefault = true;
 					break;
+				case 'hidden':
+					$gadget->hidden = true;
+					break;
 			}
 		}
 
@@ -365,6 +373,13 @@
 	}
 
 	/**
+	 * @return Boolean: Whether this gadget is hidden in preferences
+	 */
+	public function isHidden() {
+		return $this->hidden;
+	}
+
+	/**
 	 * @return Boolean: Whether all of this gadget's JS components support ResourceLoader
 	 */
 	public function supportsResourceLoader() {
Index: ApiQueryGadgets.php
===================================================================
--- ApiQueryGadgets.php	(wersja 98061)
+++ ApiQueryGadgets.php	(kopia robocza)
@@ -120,7 +120,7 @@
 			'settings' => array(
 				'rights' => $g->getRequiredRights(),
 				'default' => $g->isOnByDefault(),
-				'hidden' => false, // Only exists in RL2 branch
+				'hidden' => $g->isHidden(),
 				'shared' => false, // Only exists in RL2 branch
 				'category' => $g->getCategory(),
 			),
Index: Gadgets_tests.php
===================================================================
--- Gadgets_tests.php	(wersja 98061)
+++ Gadgets_tests.php	(kopia robocza)
@@ -28,6 +28,7 @@
 		$this->assertEquals( array( 'Gadget-foo.js' ), $g->getLegacyScripts() );
 		$this->assertFalse( $g->supportsResourceLoader() );
 		$this->assertTrue( $g->hasModule() );
+		$this->assertFalse( $g->isHidden() );
 	}
 
 	function testRLtag() {
@@ -35,6 +36,7 @@
 		$this->assertEquals( 'foo', $g->getName() );
 		$this->assertTrue( $g->supportsResourceLoader() );
 		$this->assertEquals( 0, count( $g->getLegacyScripts() ) );
+		$this->assertFalse( $g->isHidden() );
 	}
 
 	function testDependencies() {
@@ -42,8 +44,17 @@
 		$this->assertEquals( array( 'Gadget-bar.js' ), $g->getScripts() );
 		$this->assertTrue( $g->supportsResourceLoader() );
 		$this->assertEquals( array( 'jquery.ui' ), $g->getDependencies() );
+		$this->assertFalse( $g->isHidden() );
 	}
 
+	function testHiding() {
+		$g = $this->create( '*foo [ResourceLoader | hidden]|foo.js|foo.css' );
+		$this->assertEquals( 'foo', $g->getName() );
+		$this->assertTrue( $g->supportsResourceLoader() );
+		$this->assertTrue( $g->isHidden() );
+		$this->assertEquals( 0, count( $g->getLegacyScripts() ) );
+	}
+
 	function testPreferences() {
 		global $wgUser, $wgOut, $wgTitle;