1 files changed, 87 insertions, 1 deletions
diff --git a/docs/pkgdown.js b/docs/pkgdown.js
index c8b38c49..64b20df4 100644
--- a/docs/pkgdown.js
+++ b/docs/pkgdown.js
@@ -1,8 +1,94 @@
 $(function() {
-  $("#sidebar").stick_in_parent({offset_top: 40});
+
+  $("#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
   });
 
+  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);
+      menu_anchor.parent().addClass("active");
+      menu_anchor.closest("li.dropdown").addClass("active");
+    }
+  });
 });
+
+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);
+}
+
+function is_prefix(needle, haystack) {
+  if (needle.length > haystack.lengh)
+    return(false);
+
+  for (var i = 0; i < haystack.length; i++) {
+    if (needle[i] != haystack[i])
+      return(false);
+  }
+
+  return(true);
+}
+
+/* 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);
+}
+
+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");
+
+    // Insert copy buttons:
+    $(copyButton).prependTo(".hasCopyButton");
+
+    // Initialize tooltips:
+    $('.btn-copy-ex').tooltip({container: 'body'});
+
+    // 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('error', function() {
+      changeTooltipMessage(e.trigger,'Press Ctrl+C or Command+C to copy');
+    });
+  });
+}
+