Jump to 0.3.1

public/vendor/showup/showup.js

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+/*
+ * Showup.js jQuery Plugin
+ * http://github.com/jonschlinkert/showup
+ *
+ * Copyright (c) 2013 Jon Schlinkert, contributors
+ * Licensed under the MIT License (MIT).
+ */
+
+
+(function( $ ) {
+  $.fn.showUp = function(ele, options) {
+    options = options || {};
+
+    var target         = $(ele);
+    var down           = options.down        || 'navbar-hide';
+    var up             = options.up          || 'navbar-show';
+    var btnHideShow    = options.btnHideShow || '.btn-hide-show';
+    var hideOffset     = options.offset      || 60;
+    var previousScroll = 0;
+	var isHide		   = false;
+
+    $(window).scroll(function () {
+		checkScrollTop();
+    });
+	
+	$(window).resize(function () {
+		checkScrollTop();
+    });
+	
+	$(window).mousewheel(function () {
+		checkScrollTop();
+    });
+	
+	function checkScrollTop()
+	{
+		target.clearQueue();
+		target.stop();
+	  var currentScroll = $(this).scrollTop();
+      if (currentScroll > hideOffset) {
+          if(Math.abs(previousScroll - currentScroll) < 50) return;
+        if (currentScroll > previousScroll) {
+          // Action on scroll down
+		  target.removeClass(up).addClass(down);
+        } else if (currentScroll < previousScroll) {
+          // Action on scroll up
+		  target.removeClass(down).addClass(up);
+        }
+      } else {
+		target.removeClass(down).addClass(up);
+	  }
+      previousScroll = $(this).scrollTop();
+	}
+
+    // Toggle visibility of target on click
+    $(btnHideShow).click(function () {
+      if (target.hasClass(down)) {
+        target.removeClass(down).addClass(up);
+      } else {
+        target.removeClass(up).addClass(down);
+      }
+    });
+  };
+})( jQuery );
+
+// TODO: make customizable
+$(document).ready(function () {
+  var duration      = 420;
+  var showOffset    = 220;
+  var btnFixed      = '.btn-fixed-bottom';
+  var btnToTopClass = '.back-to-top';
+
+  $(window).scroll(function () {
+    if ($(this).scrollTop() > showOffset) {
+      $(btnFixed).fadeIn(duration);
+    } else {
+      $(btnFixed).fadeOut(duration);
+    }
+  });
+
+  $(btnToTopClass).click(function (event) {
+    event.preventDefault();
+    $('html, body').animate({
+      scrollTop: 0
+    }, duration);
+    return false;
+  });
+});