/* http://gregfranko.com/blog/jquery-best-practices/ */

(function($) {

  $(function() {

    $('.navbar-fixed-top').headroom();

    $('body').css('padding-top', $('.navbar').height() + 10);

    $(window).resize(function(){

      $('body').css('padding-top', $('.navbar').height() + 10);

    });

    $('[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;

      // Ignore external links

      if (links[i].host !== location.host)

        continue;

      var nav_path = paths(links[i].pathname);

      var length = prefix_length(nav_path, cur_path);

      if (length > max_length) {

        max_length = length;

        pos = i;

      }

    }

    // 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 /

    var end = pieces[pieces.length - 1];

    if (end === "index.html" || end === "")

      pieces.pop();

    return(pieces);

  }

  // Returns -1 if not found

  function prefix_length(needle, haystack) {

    if (needle.length > haystack.length)

      return(-1);

    // Special case for length-0 haystack, since for loop won't run

    if (haystack.length === 0) {

      return(needle.length === 0 ? 0 : -1);

    }

    for (var i = 0; i < haystack.length; i++) {

      if (needle[i] != haystack[i])

        return(i);

    }

    return(haystack.length);

  }

  /* 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(ClipboardJS.isSupported()) {

    $(document).ready(function() {

      var copyButton = "<button type='button' class='btn btn-primary btn-copy-ex' type = 'submit' title='Copy to clipboard' aria-label='Copy to clipboard' data-toggle='tooltip' data-placement='left auto' data-trigger='hover' data-clipboard-copy><i class='fa fa-copy'></i></button>";

      $(".examples, div.sourceCode").addClass("hasCopyButton");

      // Insert copy buttons:

      $(copyButton).prependTo(".hasCopyButton");

      // Initialize tooltips:

      $('.btn-copy-ex').tooltip({container: 'body'});

      // Initialize clipboard:

      var clipboardBtnCopies = new ClipboardJS('[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');

      });

    });

  }

})(window.jQuery || window.$)