From a2281923406237a222f68fa2cc6d833164e44ffc Mon Sep 17 00:00:00 2001
From: iissnan <iissnan@gmail.com>
Date: Mon, 27 Jul 2015 10:51:55 +0800
Subject: [PATCH] Bug: Site overview tab can't be activated when disable
 motion. #212

---
 layout/_scripts/pages/post-details.swig | 95 +++++++++++++++----------
 1 file changed, 58 insertions(+), 37 deletions(-)

diff --git a/layout/_scripts/pages/post-details.swig b/layout/_scripts/pages/post-details.swig
index f930bd554..dbd7df2b1 100644
--- a/layout/_scripts/pages/post-details.swig
+++ b/layout/_scripts/pages/post-details.swig
@@ -69,7 +69,6 @@
       element.on('mousewheel DOMMouseScroll', function (event) {
           var oe = event.originalEvent;
           var delta = oe.wheelDelta || -oe.detail;
-          var self = this;
 
           this.scrollTop += ( delta < 0 ? 1 : -1 ) * 30;
           event.preventDefault();
@@ -79,57 +78,79 @@
     }
 
     function tocOverflowIndicator (indicator, action) {
-      $(indicator).velocity('stop').velocity({
-        opacity: action === 'show' ? 0.4 : 0
-      }, { duration: 100 });
+      var $indicator = $(indicator);
+      var opacity = action === 'show' ? 0.4 : 0;
+      $indicator.velocity ?
+        $indicator.velocity('stop').velocity({
+          opacity: opacity
+        }, { duration: 100 }) :
+        $indicator.stop().animate({
+          opacity: opacity
+        }, 100);
     }
 
   });
 </script>
 
-{% if theme.use_motion %}
-  <script type="text/javascript" id="sidebar.nav">
-    $(document).ready(function () {
-      var html = $('html');
-
-      $('.sidebar-nav li').on('click', function () {
-        var item = $(this);
-        var activeTabClassName = 'sidebar-nav-active';
-        var activePanelClassName = 'sidebar-panel-active';
-        if (item.hasClass(activeTabClassName)) {
-          return;
-        }
+<script type="text/javascript" id="sidebar.nav">
+  $(document).ready(function () {
+    var html = $('html');
+    var TAB_ANIMATE_DURATION = 200;
+    var hasVelocity = $.isFunction(html.velocity);
+
+    $('.sidebar-nav li').on('click', function () {
+      var item = $(this);
+      var activeTabClassName = 'sidebar-nav-active';
+      var activePanelClassName = 'sidebar-panel-active';
+      if (item.hasClass(activeTabClassName)) {
+        return;
+      }
 
-        var currentTarget = $('.' + activePanelClassName);
-        var target = $('.' + item.data('target'));
+      var currentTarget = $('.' + activePanelClassName);
+      var target = $('.' + item.data('target'));
 
-        currentTarget.velocity('transition.slideUpOut', 200, function () {
+      hasVelocity ?
+        currentTarget.velocity('transition.slideUpOut', TAB_ANIMATE_DURATION, function () {
           target
             .velocity('stop')
-            .velocity('transition.slideDownIn', 200)
+            .velocity('transition.slideDownIn', TAB_ANIMATE_DURATION)
             .addClass(activePanelClassName);
+        }) :
+        currentTarget.animate({ opacity: 0 }, TAB_ANIMATE_DURATION, function () {
+          currentTarget.hide();
+          target
+            .stop()
+            .css({'opacity': 0, 'display': 'block'})
+            .animate({ opacity: 1 }, TAB_ANIMATE_DURATION, function () {
+              currentTarget.removeClass(activePanelClassName);
+              target.addClass(activePanelClassName);
+            });
         });
 
-        item.siblings().removeClass(activeTabClassName);
-        item.addClass(activeTabClassName);
-      });
+      item.siblings().removeClass(activeTabClassName);
+      item.addClass(activeTabClassName);
+    });
 
-      $('.post-toc a').on('click', function (e) {
-        e.preventDefault();
-        var offset = $(escapeSelector(this.getAttribute('href'))).offset().top;
+    $('.post-toc a').on('click', function (e) {
+      e.preventDefault();
+      var targetSelector = escapeSelector(this.getAttribute('href'));
+      var offset = $(targetSelector).offset().top;
+      hasVelocity ?
         html.velocity('stop').velocity('scroll', {
           offset: offset  + 'px',
           mobileHA: false
-        });
-      });
+        }) :
+        $('html, body').stop().animate({
+          scrollTop: offset
+        }, 500);
+    });
 
-      // Expand sidebar on post detail page by default, when post has a toc.
-      var $tocContent = $('.post-toc-content');
-      if (isDesktop() && CONFIG.sidebar === 'post') {
-        if ($tocContent.length > 0 && $tocContent.html().trim().length > 0) {
-          displaySidebar();
-        }
+    // Expand sidebar on post detail page by default, when post has a toc.
+    var $tocContent = $('.post-toc-content');
+    if (isDesktop() && CONFIG.sidebar === 'post') {
+      if ($tocContent.length > 0 && $tocContent.html().trim().length > 0) {
+        displaySidebar();
       }
-    });
-  </script>
-{% endif %}
+    }
+  });
+</script>