MidnightRiders/MemberPortal

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app/javascript/vendor/foundation/foundation.topbar.js

Summary

Maintainability
F
4 days
Test Coverage
(function ($, window, document, undefined) {
  'use strict';

  Foundation.libs.topbar = {
    name: 'topbar',

    version: '5.5.3',

    settings: {
      index: 0,
      start_offset: 0,
      sticky_class: 'sticky',
      custom_back_text: true,
      back_text: 'Back',
      mobile_show_parent_link: true,
      is_hover: true,
      scrolltop: true, // jump to top when sticky nav menu toggle is clicked
      sticky_on: 'all',
      dropdown_autoclose: true,
    },

    init: function (section, method, options) {
      Foundation.inherit(this, 'add_custom_rule register_media throttle');
      var self = this;

      self.register_media('topbar', 'foundation-mq-topbar');

      this.bindings(method, options);

      self.S('[' + this.attr_name() + ']', this.scope).each(function () {
        var topbar = $(this),
          settings = topbar.data(self.attr_name(true) + '-init'),
          section = self.S('section, .top-bar-section', this);
        topbar.data('index', 0);
        var topbarContainer = topbar.parent();
        if (
          topbarContainer.hasClass('fixed') ||
          self.is_sticky(topbar, topbarContainer, settings)
        ) {
          self.settings.sticky_class = settings.sticky_class;
          self.settings.sticky_topbar = topbar;
          topbar.data('height', topbarContainer.outerHeight());
          topbar.data('stickyoffset', topbarContainer.offset().top);
        } else {
          topbar.data('height', topbar.outerHeight());
        }

        if (!settings.assembled) {
          self.assemble(topbar);
        }

        if (settings.is_hover) {
          self.S('.has-dropdown', topbar).addClass('not-click');
        } else {
          self.S('.has-dropdown', topbar).removeClass('not-click');
        }

        // Pad body when sticky (scrolled) or fixed.
        self.add_custom_rule(
          '.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }',
        );

        if (topbarContainer.hasClass('fixed')) {
          self.S('body').addClass('f-topbar-fixed');
        }
      });
    },

    is_sticky: function (topbar, topbarContainer, settings) {
      var sticky = topbarContainer.hasClass(settings.sticky_class);
      var smallMatch = matchMedia(Foundation.media_queries.small).matches;
      var medMatch = matchMedia(Foundation.media_queries.medium).matches;
      var lrgMatch = matchMedia(Foundation.media_queries.large).matches;

      if (sticky && settings.sticky_on === 'all') {
        return true;
      }
      if (
        sticky &&
        this.small() &&
        settings.sticky_on.indexOf('small') !== -1
      ) {
        if (smallMatch && !medMatch && !lrgMatch) {
          return true;
        }
      }
      if (
        sticky &&
        this.medium() &&
        settings.sticky_on.indexOf('medium') !== -1
      ) {
        if (smallMatch && medMatch && !lrgMatch) {
          return true;
        }
      }
      if (
        sticky &&
        this.large() &&
        settings.sticky_on.indexOf('large') !== -1
      ) {
        if (smallMatch && medMatch && lrgMatch) {
          return true;
        }
      }

      return false;
    },

    toggle: function (toggleEl) {
      var self = this,
        topbar;

      if (toggleEl) {
        topbar = self.S(toggleEl).closest('[' + this.attr_name() + ']');
      } else {
        topbar = self.S('[' + this.attr_name() + ']');
      }

      var settings = topbar.data(this.attr_name(true) + '-init');

      var section = self.S('section, .top-bar-section', topbar);

      if (self.breakpoint()) {
        if (!self.rtl) {
          section.css({ left: '0%' });
          $('>.name', section).css({ left: '100%' });
        } else {
          section.css({ right: '0%' });
          $('>.name', section).css({ right: '100%' });
        }

        self.S('li.moved', section).removeClass('moved');
        topbar.data('index', 0);

        topbar.toggleClass('expanded').css('height', '');
      }

      if (settings.scrolltop) {
        if (!topbar.hasClass('expanded')) {
          if (topbar.hasClass('fixed')) {
            topbar.parent().addClass('fixed');
            topbar.removeClass('fixed');
            self.S('body').addClass('f-topbar-fixed');
          }
        } else if (topbar.parent().hasClass('fixed')) {
          if (settings.scrolltop) {
            topbar.parent().removeClass('fixed');
            topbar.addClass('fixed');
            self.S('body').removeClass('f-topbar-fixed');

            window.scrollTo(0, 0);
          } else {
            topbar.parent().removeClass('expanded');
          }
        }
      } else {
        if (self.is_sticky(topbar, topbar.parent(), settings)) {
          topbar.parent().addClass('fixed');
        }

        if (topbar.parent().hasClass('fixed')) {
          if (!topbar.hasClass('expanded')) {
            topbar.removeClass('fixed');
            topbar.parent().removeClass('expanded');
            self.update_sticky_positioning();
          } else {
            topbar.addClass('fixed');
            topbar.parent().addClass('expanded');
            self.S('body').addClass('f-topbar-fixed');
          }
        }
      }
    },

    timer: null,

    events: function (bar) {
      var self = this,
        S = this.S;

      S(this.scope)
        .off('.topbar')
        .on(
          'click.fndtn.topbar',
          '[' + this.attr_name() + '] .toggle-topbar',
          function (e) {
            e.preventDefault();
            self.toggle(this);
          },
        )
        .on(
          'click.fndtn.topbar contextmenu.fndtn.topbar',
          '.top-bar .top-bar-section li a[href^="#"],[' +
            this.attr_name() +
            '] .top-bar-section li a[href^="#"]',
          function (e) {
            var li = $(this).closest('li'),
              topbar = li.closest('[' + self.attr_name() + ']'),
              settings = topbar.data(self.attr_name(true) + '-init');

            if (settings.dropdown_autoclose && settings.is_hover) {
              var hoverLi = $(this).closest('.hover');
              hoverLi.removeClass('hover');
            }
            if (
              self.breakpoint() &&
              !li.hasClass('back') &&
              !li.hasClass('has-dropdown')
            ) {
              self.toggle();
            }
          },
        )
        .on(
          'click.fndtn.topbar',
          '[' + this.attr_name() + '] li.has-dropdown',
          function (e) {
            var li = S(this),
              target = S(e.target),
              topbar = li.closest('[' + self.attr_name() + ']'),
              settings = topbar.data(self.attr_name(true) + '-init');

            if (target.data('revealId')) {
              self.toggle();
              return;
            }

            if (self.breakpoint()) {
              return;
            }

            if (settings.is_hover && !Modernizr.touch) {
              return;
            }

            e.stopImmediatePropagation();

            if (li.hasClass('hover')) {
              li.removeClass('hover').find('li').removeClass('hover');

              li.parents('li.hover').removeClass('hover');
            } else {
              li.addClass('hover');

              $(li).siblings().removeClass('hover');

              if (
                target[0].nodeName === 'A' &&
                target.parent().hasClass('has-dropdown')
              ) {
                e.preventDefault();
              }
            }
          },
        )
        .on(
          'click.fndtn.topbar',
          '[' + this.attr_name() + '] .has-dropdown>a',
          function (e) {
            if (self.breakpoint()) {
              e.preventDefault();

              var $this = S(this),
                topbar = $this.closest('[' + self.attr_name() + ']'),
                section = topbar.find('section, .top-bar-section'),
                dropdownHeight = $this.next('.dropdown').outerHeight(),
                $selectedLi = $this.closest('li');

              topbar.data('index', topbar.data('index') + 1);
              $selectedLi.addClass('moved');

              if (!self.rtl) {
                section.css({ left: -(100 * topbar.data('index')) + '%' });
                section
                  .find('>.name')
                  .css({ left: 100 * topbar.data('index') + '%' });
              } else {
                section.css({ right: -(100 * topbar.data('index')) + '%' });
                section
                  .find('>.name')
                  .css({ right: 100 * topbar.data('index') + '%' });
              }

              topbar.css(
                'height',
                $this.siblings('ul').outerHeight(true) + topbar.data('height'),
              );
            }
          },
        );

      S(window)
        .off('.topbar')
        .on(
          'resize.fndtn.topbar',
          self.throttle(function () {
            self.resize.call(self);
          }, 50),
        )
        .trigger('resize.fndtn.topbar')
        .load(function () {
          // Ensure that the offset is calculated after all of the pages resources have loaded
          S(this).trigger('resize.fndtn.topbar');
        });

      S('body')
        .off('.topbar')
        .on('click.fndtn.topbar', function (e) {
          var parent = S(e.target).closest('li').closest('li.hover');

          if (parent.length > 0) {
            return;
          }

          S('[' + self.attr_name() + '] li.hover').removeClass('hover');
        });

      // Go up a level on Click
      S(this.scope).on(
        'click.fndtn.topbar',
        '[' + this.attr_name() + '] .has-dropdown .back',
        function (e) {
          e.preventDefault();

          var $this = S(this),
            topbar = $this.closest('[' + self.attr_name() + ']'),
            section = topbar.find('section, .top-bar-section'),
            settings = topbar.data(self.attr_name(true) + '-init'),
            $movedLi = $this.closest('li.moved'),
            $previousLevelUl = $movedLi.parent();

          topbar.data('index', topbar.data('index') - 1);

          if (!self.rtl) {
            section.css({ left: -(100 * topbar.data('index')) + '%' });
            section
              .find('>.name')
              .css({ left: 100 * topbar.data('index') + '%' });
          } else {
            section.css({ right: -(100 * topbar.data('index')) + '%' });
            section
              .find('>.name')
              .css({ right: 100 * topbar.data('index') + '%' });
          }

          if (topbar.data('index') === 0) {
            topbar.css('height', '');
          } else {
            topbar.css(
              'height',
              $previousLevelUl.outerHeight(true) + topbar.data('height'),
            );
          }

          setTimeout(function () {
            $movedLi.removeClass('moved');
          }, 300);
        },
      );

      // Show dropdown menus when their items are focused
      S(this.scope)
        .find('.dropdown a')
        .focus(function () {
          $(this).parents('.has-dropdown').addClass('hover');
        })
        .blur(function () {
          $(this).parents('.has-dropdown').removeClass('hover');
        });
    },

    resize: function () {
      var self = this;
      self.S('[' + this.attr_name() + ']').each(function () {
        var topbar = self.S(this),
          settings = topbar.data(self.attr_name(true) + '-init');

        var stickyContainer = topbar.parent('.' + self.settings.sticky_class);
        var stickyOffset;

        if (!self.breakpoint()) {
          var doToggle = topbar.hasClass('expanded');
          topbar
            .css('height', '')
            .removeClass('expanded')
            .find('li')
            .removeClass('hover');

          if (doToggle) {
            self.toggle(topbar);
          }
        }

        if (self.is_sticky(topbar, stickyContainer, settings)) {
          if (stickyContainer.hasClass('fixed')) {
            // Remove the fixed to allow for correct calculation of the offset.
            stickyContainer.removeClass('fixed');

            stickyOffset = stickyContainer.offset().top;
            if (self.S(document.body).hasClass('f-topbar-fixed')) {
              stickyOffset -= topbar.data('height');
            }

            topbar.data('stickyoffset', stickyOffset);
            stickyContainer.addClass('fixed');
          } else {
            stickyOffset = stickyContainer.offset().top;
            topbar.data('stickyoffset', stickyOffset);
          }
        }
      });
    },

    breakpoint: function () {
      return !matchMedia(Foundation.media_queries['topbar']).matches;
    },

    small: function () {
      return matchMedia(Foundation.media_queries['small']).matches;
    },

    medium: function () {
      return matchMedia(Foundation.media_queries['medium']).matches;
    },

    large: function () {
      return matchMedia(Foundation.media_queries['large']).matches;
    },

    assemble: function (topbar) {
      var self = this,
        settings = topbar.data(this.attr_name(true) + '-init'),
        section = self.S('section, .top-bar-section', topbar);

      // Pull element out of the DOM for manipulation
      section.detach();

      self.S('.has-dropdown>a', section).each(function () {
        var $link = self.S(this),
          $dropdown = $link.siblings('.dropdown'),
          url = $link.attr('href'),
          $titleLi;

        if (!$dropdown.find('.title.back').length) {
          if (settings.mobile_show_parent_link == true && url) {
            $titleLi = $(
              '<li class="title back js-generated"><Heading as="h5"><a href="javascript:void(0)"></a></Heading></li><li class="parent-link hide-for-medium-up"><a class="parent-link js-generated" href="' +
                url +
                '">' +
                $link.html() +
                '</a></li>',
            );
          } else {
            $titleLi = $(
              '<li class="title back js-generated"><Heading as="h5"><a href="javascript:void(0)"></a></Heading>',
            );
          }

          // Copy link to subnav
          if (settings.custom_back_text == true) {
            $('h5>a', $titleLi).html(settings.back_text);
          } else {
            $('h5>a', $titleLi).html('&laquo; ' + $link.html());
          }
          $dropdown.prepend($titleLi);
        }
      });

      // Put element back in the DOM
      section.appendTo(topbar);

      // check for sticky
      this.sticky();

      this.assembled(topbar);
    },

    assembled: function (topbar) {
      topbar.data(
        this.attr_name(true),
        $.extend({}, topbar.data(this.attr_name(true)), { assembled: true }),
      );
    },

    height: function (ul) {
      var total = 0,
        self = this;

      $('> li', ul).each(function () {
        total += self.S(this).outerHeight(true);
      });

      return total;
    },

    sticky: function () {
      var self = this;

      this.S(window).on('scroll', function () {
        self.update_sticky_positioning();
      });
    },

    update_sticky_positioning: function () {
      var klass = '.' + this.settings.sticky_class,
        $window = this.S(window),
        self = this;

      if (
        self.settings.sticky_topbar &&
        self.is_sticky(
          this.settings.sticky_topbar,
          this.settings.sticky_topbar.parent(),
          this.settings,
        )
      ) {
        var distance =
          this.settings.sticky_topbar.data('stickyoffset') +
          this.settings.start_offset;
        if (!self.S(klass).hasClass('expanded')) {
          if ($window.scrollTop() > distance) {
            if (!self.S(klass).hasClass('fixed')) {
              self.S(klass).addClass('fixed');
              self.S('body').addClass('f-topbar-fixed');
            }
          } else if ($window.scrollTop() <= distance) {
            if (self.S(klass).hasClass('fixed')) {
              self.S(klass).removeClass('fixed');
              self.S('body').removeClass('f-topbar-fixed');
            }
          }
        }
      }
    },

    off: function () {
      this.S(this.scope).off('.fndtn.topbar');
      this.S(window).off('.fndtn.topbar');
    },

    reflow: function () {},
  };
})(jQuery, window, window.document);