1 files changed, 88 insertions, 72 deletions

diff --git a/docs/pkgdown.js b/docs/pkgdown.js
index 64b20df..de9bd72 100644
--- a/docs/pkgdown.js
+++ b/docs/pkgdown.js
@@ -1,94 +1,110 @@
-$(function() {
-
-  $("#sidebar")
-    .stick_in_parent({offset_top: 40})
-    .on('sticky_kit:bottom', function(e) {
-      $(this).parent().css('position', 'static');
-    })
-    .on('sticky_kit:unbottom', function(e) {
-      $(this).parent().css('position', 'relative');
+/* http://gregfranko.com/blog/jquery-best-practices/ */
+(function($) {
+  $(function() {
+
+    $("#sidebar")
+      .stick_in_parent({offset_top: 40})
+      .on('sticky_kit:bottom', function(e) {
+        $(this).parent().css('position', 'static');
+      })
+      .on('sticky_kit:unbottom', function(e) {
+        $(this).parent().css('position', 'relative');
+      });
+
+    $('body').scrollspy({
+      target: '#sidebar',
+      offset: 60
     });
 
-  $('body').scrollspy({
-    target: '#sidebar',
-    offset: 60
-  });
+    $('[data-toggle="tooltip"]').tooltip();
+
+    var cur_path = paths(location.pathname);
+    var links = $("#navbar ul li a");
+    var max_length = -1;
+    var pos = -1;
+    for (var i = 0; i < links.length; i++) {
+      if (links[i].getAttribute("href") === "#")
+        continue;
+      var path = paths(links[i].pathname);
+
+      var length = prefix_length(cur_path, path);
+      if (length > max_length) {
+        max_length = length;
+        pos = i;
+      }
+    }
 
-  var cur_path = paths(location.pathname);
-  $("#navbar ul li a").each(function(index, value) {
-    if (value.text == "Home")
-      return;
-    if (value.getAttribute("href") === "#")
-      return;
-
-    var path = paths(value.pathname);
-    if (is_prefix(cur_path, path)) {
-      // Add class to parent <li>, and enclosing <li> if in dropdown
-      var menu_anchor = $(value);
+    // Add class to parent <li>, and enclosing <li> if in dropdown
+    if (pos >= 0) {
+      var menu_anchor = $(links[pos]);
       menu_anchor.parent().addClass("active");
       menu_anchor.closest("li.dropdown").addClass("active");
     }
   });
-});
 
-function paths(pathname) {
-  var pieces = pathname.split("/");
-  pieces.shift(); // always starts with /
+  function paths(pathname) {
+    var pieces = pathname.split("/");
+    pieces.shift(); // always starts with /
+
+    var end = pieces[pieces.length - 1];
+    if (end === "index.html" || end === "")
+      pieces.pop();
+    return(pieces);
+  }
 
-  var end = pieces[pieces.length - 1];
-  if (end === "index.html" || end === "")
-    pieces.pop();
-  return(pieces);
-}
+  function prefix_length(needle, haystack) {
+    if (needle.length > haystack.length)
+      return(0);
 
-function is_prefix(needle, haystack) {
-  if (needle.length > haystack.lengh)
-    return(false);
+    // Special case for length-0 haystack, since for loop won't run
+    if (haystack.length === 0) {
+      return(needle.length === 0 ? 1 : 0);
+    }
 
-  for (var i = 0; i < haystack.length; i++) {
-    if (needle[i] != haystack[i])
-      return(false);
-  }
+    for (var i = 0; i < haystack.length; i++) {
+      if (needle[i] != haystack[i])
+        return(i);
+    }
 
-  return(true);
-}
+    return(haystack.length);
+  }
 
-/* Clipboard --------------------------*/
+  /* Clipboard --------------------------*/
 
-function changeTooltipMessage(element, msg) {
-  var tooltipOriginalTitle=element.getAttribute('data-original-title');
-  element.setAttribute('data-original-title', msg);
-  $(element).tooltip('show');
-  element.setAttribute('data-original-title', tooltipOriginalTitle);
-}
+  function changeTooltipMessage(element, msg) {
+    var tooltipOriginalTitle=element.getAttribute('data-original-title');
+    element.setAttribute('data-original-title', msg);
+    $(element).tooltip('show');
+    element.setAttribute('data-original-title', tooltipOriginalTitle);
+  }
 
-if(Clipboard.isSupported()) {
-  $(document).ready(function() {
-    var copyButton = "<button type='button' class='btn btn-primary btn-copy-ex' type = 'submit' title='Copy to clipboard' aria-hidden='true' data-toggle='tooltip' data-placement='left auto' data-trigger='hover' data-clipboard-copy><i class='fa fa-copy' aria-hidden='true'></i></button>";
+  if(Clipboard.isSupported()) {
+    $(document).ready(function() {
+      var copyButton = "<button type='button' class='btn btn-primary btn-copy-ex' type = 'submit' title='Copy to clipboard' aria-hidden='true' data-toggle='tooltip' data-placement='left auto' data-trigger='hover' data-clipboard-copy><i class='fa fa-copy' aria-hidden='true'></i></button>";
 
-    $(".examples").addClass("hasCopyButton");
+      $(".examples, div.sourceCode").addClass("hasCopyButton");
 
-    // Insert copy buttons:
-    $(copyButton).prependTo(".hasCopyButton");
+      // Insert copy buttons:
+      $(copyButton).prependTo(".hasCopyButton");
 
-    // Initialize tooltips:
-    $('.btn-copy-ex').tooltip({container: 'body'});
+      // Initialize tooltips:
+      $('.btn-copy-ex').tooltip({container: 'body'});
 
-    // Initialize clipboard:
-    var clipboardBtnCopies = new Clipboard('[data-clipboard-copy]', {
-      text: function(trigger) {
-        return trigger.parentNode.textContent;
-      }
-    });
+      // Initialize clipboard:
+      var clipboardBtnCopies = new Clipboard('[data-clipboard-copy]', {
+        text: function(trigger) {
+          return trigger.parentNode.textContent;
+        }
+      });
 
-    clipboardBtnCopies.on('success', function(e) {
-      changeTooltipMessage(e.trigger, 'Copied!');
-      e.clearSelection();
-    });
+      clipboardBtnCopies.on('success', function(e) {
+        changeTooltipMessage(e.trigger, 'Copied!');
+        e.clearSelection();
+      });
 
-    clipboardBtnCopies.on('error', function() {
-      changeTooltipMessage(e.trigger,'Press Ctrl+C or Command+C to copy');
+      clipboardBtnCopies.on('error', function() {
+        changeTooltipMessage(e.trigger,'Press Ctrl+C or Command+C to copy');
+      });
     });
-  });
-}
-
+  }
+})(window.jQuery || window.$)