added smooth scrolling

[bootswatch] / js / bootswatch.js

diff --git a/js/bootswatch.js b/js/bootswatch.js
index 231ad8f..66b67b2 100644 (file)
--- a/js/bootswatch.js
+++ b/js/bootswatch.js
@@ -1,7 +1,11 @@
+// tooltips
+
 $('a[rel=tooltip]').tooltip({
        'placement': 'bottom'
 });
 
+// recent news
+
 function parseRSS(url, callback) {
   $.ajax({
     url: 'http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=10&callback=?&q=' + encodeURIComponent(url),
@@ -10,4 +14,93 @@ function parseRSS(url, callback) {
       callback(data.responseData.feed);
     }
   });
-}
\ No newline at end of file
+}
+
+// smooth scroll
+
+$(document).ready(function() {
+  function filterPath(string) {
+  return string
+    .replace(/^\//,'')
+    .replace(/(index|default).[a-zA-Z]{3,4}$/,'')
+    .replace(/\/$/,'');
+  }
+  var locationPath = filterPath(location.pathname);
+  var scrollElem = scrollableElement('html', 'body');
+ 
+  $('a[href*=#]').each(function() {
+    var thisPath = filterPath(this.pathname) || locationPath;
+    if (  locationPath == thisPath
+    && (location.hostname == this.hostname || !this.hostname)
+    && this.hash.replace(/#/,'') ) {
+      var $target = $(this.hash), target = this.hash;
+      if (target) {
+        var targetOffset = $target.offset().top;
+        $(this).click(function(event) {
+          event.preventDefault();
+          $(scrollElem).animate({scrollTop: targetOffset}, 400, function() {
+            location.hash = target;
+          });
+        });
+      }
+    }
+  });
+ 
+  // use the first element that is "scrollable"
+  function scrollableElement(els) {
+    for (var i = 0, argLength = arguments.length; i <argLength; i++) {
+      var el = arguments[i],
+          $scrollElement = $(el);
+      if ($scrollElement.scrollTop()> 0) {
+        return el;
+      } else {
+        $scrollElement.scrollTop(1);
+        var isScrollable = $scrollElement.scrollTop()> 0;
+        $scrollElement.scrollTop(0);
+        if (isScrollable) {
+          return el;
+        }
+      }
+    }
+    return [];
+  }
+ 
+});
+
+// subnav
+
+(function ($) {
+
+       $(function(){
+
+               // fix sub nav on scroll
+               var $win = $(window),
+                               $body = $('body'),
+                               $nav = $('.subnav'),
+                               navHeight = $('.navbar').first().height(),
+                               subnavHeight = $('.subnav').first().height(),
+                               subnavTop = $('.subnav').length && $('.subnav').offset().top - navHeight,
+                               marginTop = parseInt($body.css('margin-top'), 10);
+                               isFixed = 0;
+
+               processScroll();
+
+               $win.on('scroll', processScroll);
+
+               function processScroll() {
+                       var i, scrollTop = $win.scrollTop();
+
+                       if (scrollTop >= subnavTop && !isFixed) {
+                               isFixed = 1;
+                               $nav.addClass('subnav-fixed');
+                               $body.css('margin-top', marginTop + subnavHeight + 'px');
+                       } else if (scrollTop <= subnavTop && isFixed) {
+                               isFixed = 0;
+                               $nav.removeClass('subnav-fixed');
+                               $body.css('margin-top', marginTop + 'px');
+                       }
+               }
+
+       });
+
+})(window.jQuery);
\ No newline at end of file