Add disableScrolling option

README.md

@@ -14,7 +14,7 @@ by [Lokesh Dhakar](http://www.lokeshdhakar.com)
 - **Maintenance.** Get open Issues and PRs number down.
 - **Mobile experience.** Redo animations and interactions from scratch and include gesture support.
 
-### v3.0 - IN PLANNING PHASE
+### v3.0 - In Brainstorming Phase
 
 - Add touch gesture support.
 - Optimize layout for mobile.
@@ -34,6 +34,10 @@ by [Lokesh Dhakar](http://www.lokeshdhakar.com)
 
 ## Changelog
 
+### v2.8.2 - 2015-07-09
+
+- [Add] - Add option to disable vertical scrolling [#487](https://github.com/lokesh/lightbox2/pull/487)
+
 ### v2.8.1 - 2015-07-09
 
 - [Fix] Change AMD jQuery require statement to use all lowercase. [#464](https://github.com/lokesh/lightbox2/pull/464) Thanks [@vtforester](https://github.com/vtforester)

src/css/lightbox.css

@@ -4,8 +4,8 @@ body:after {
   display: none;
 }
 
-body.overlay-locked {
-  overflow-y: hidden;
+body.lb-disable-scrolling {
+  overflow: hidden;
 }
 
 .lightboxOverlay {

src/js/lightbox.js

@@ -49,7 +49,7 @@
     resizeDuration: 700,
     showImageNumberLabel: true,
     wrapAround: false,
-    overlayLocked: false
+    disableScrolling: false
   };
 
   Lightbox.prototype.option = function(options) {
@@ -196,9 +196,9 @@
       left: left + 'px'
     }).fadeIn(this.options.fadeDuration);
 
-    // set overlay locked
-    if (this.options.overlayLocked) {
-      $('body').addClass('overlay-locked');
+    // Disable scrolling of the page while open
+    if (this.options.disableScrolling) {
+      $('body').addClass('lb-disable-scrolling');
     }
 
     this.changeImage(imageNumber);
@@ -444,8 +444,8 @@
     $('select, object, embed').css({
       visibility: 'visible'
     });
-    if (this.options.overlayLocked) {
-      $('body').removeClass('overlay-locked');
+    if (this.options.disableScrolling) {
+      $('body').removeClass('lb-disable-scrolling');
     }
   };