From be1824be76b8ccf912fb7ce877340df0ed4c5ca2 Mon Sep 17 00:00:00 2001
From: Dmitry Kuznetsov <kudmni@gmail.com>
Date: Mon, 1 Jun 2015 12:58:34 +0300
Subject: [PATCH 1/4] Update pagemenu.js

---
 src/pagemenu.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/pagemenu.js b/src/pagemenu.js
index ff53988..4e89f66 100644
--- a/src/pagemenu.js
+++ b/src/pagemenu.js
@@ -55,7 +55,10 @@ mod.directive('pagemenu', function($compile, $location, $anchorScroll) {
 			lastitem= item.link;
 			return item;
 		};
-
+		// check if element is visible
+		scope.isVisible = function(id) {
+			return angular.element('#' + id).is(':visible');
+		}
 		// dom items to build menu from
 		var items = getState().items();
 		var markup = '';
@@ -75,7 +78,7 @@ mod.directive('pagemenu', function($compile, $location, $anchorScroll) {
 			}
 
 			// basic markup
-			markup += '<li pagemenuspy="' + item.link + '" parent="' + item.parent + '">';
+			markup += '<li pagemenuspy="' + item.link + '" parent="' + item.parent + '" ng-class="{\'inactive\': !isVisible(\'' + item.link + '\')}">';
 			markup += '<a href="#' + item.link + '">';
 			markup += item.text;
 			markup += '</a>';
@@ -117,4 +120,4 @@ mod.directive('pagemenu', function($compile, $location, $anchorScroll) {
 			});
 		}
 	};
-});
\ No newline at end of file
+});

From 4715dcc2a4938c5cedb333d33d03daa7887c3dbd Mon Sep 17 00:00:00 2001
From: Dmitry Kuznetsov <kudmni@gmail.com>
Date: Mon, 1 Jun 2015 13:04:17 +0300
Subject: [PATCH 2/4] Update pageitems.js

---
 src/pageitems.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pageitems.js b/src/pageitems.js
index 41f4d8a..90454f5 100644
--- a/src/pageitems.js
+++ b/src/pageitems.js
@@ -45,7 +45,7 @@ mod.directive('pageitems', function(ScrollSpy) {
 				}
 
 				var pos = spyElem.getBoundingClientRect().top;
-				if (pos <= topmargin) {
+				if (Math.floor(pos) <= topmargin) {
 					// the window has been scrolled past the top of a spy element
 					spy.pos = pos;
 
@@ -81,4 +81,4 @@ mod.directive('pageitems', function(ScrollSpy) {
 		},
 		link: linkfn
 	};
-});
\ No newline at end of file
+});

From ecbf05b978e62658bf1a022c55ea3f4811b6c94a Mon Sep 17 00:00:00 2001
From: Dmitry Kuznetsov <kudmni@gmail.com>
Date: Mon, 1 Jun 2015 18:06:50 +0300
Subject: [PATCH 3/4] Fix inactive menu click handler

---
 src/pagemenu.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/pagemenu.js b/src/pagemenu.js
index 4e89f66..961d1f3 100644
--- a/src/pagemenu.js
+++ b/src/pagemenu.js
@@ -87,6 +87,10 @@ mod.directive('pagemenu', function($compile, $location, $anchorScroll) {
 		element.append($compile(markup)(scope));
 
 		element.on('click', function(e) {
+			// Check if item is inactive
+			if (angular.element(e.target).hasClass('inactive')) {
+				return;
+			}
 			// menu item clicked, lets scroll to the associated dom item
 			var hash = e.target.hash.substring(1);
 			$location.hash(hash);

From 650d6238330b59ad8c6319ac95cd35d2d6d28e17 Mon Sep 17 00:00:00 2001
From: Dmitry Kuznetsov <kudmni@gmail.com>
Date: Tue, 2 Jun 2015 13:09:04 +0300
Subject: [PATCH 4/4] Fix scrolling through invisible items

---
 src/pageitems.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pageitems.js b/src/pageitems.js
index 90454f5..cd78373 100644
--- a/src/pageitems.js
+++ b/src/pageitems.js
@@ -45,7 +45,7 @@ mod.directive('pageitems', function(ScrollSpy) {
 				}
 
 				var pos = spyElem.getBoundingClientRect().top;
-				if (Math.floor(pos) <= topmargin) {
+				if (Math.floor(pos) <= topmargin && angular.element(spyElem).is(':visible')) {
 					// the window has been scrolled past the top of a spy element
 					spy.pos = pos;