first commit

plugins/themes/default/js/lib/bootstrap/LICENSE.md

@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2017 Twitter, Inc.
+Copyright (c) 2011-2017 The Bootstrap Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

plugins/themes/default/js/lib/bootstrap/dropdown.js

@@ -0,0 +1,431 @@
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0-beta): dropdown.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+var Dropdown = function ($) {
+
+  /**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)');
+  }
+
+  /**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+
+  var NAME = 'dropdown';
+  var VERSION = '4.0.0-beta';
+  var DATA_KEY = 'bs.dropdown';
+  var EVENT_KEY = '.' + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $.fn[NAME];
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
+  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
+  var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
+  var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
+  var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
+  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE);
+
+  var Event = {
+    HIDE: 'hide' + EVENT_KEY,
+    HIDDEN: 'hidden' + EVENT_KEY,
+    SHOW: 'show' + EVENT_KEY,
+    SHOWN: 'shown' + EVENT_KEY,
+    CLICK: 'click' + EVENT_KEY,
+    CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
+    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY,
+    KEYUP_DATA_API: 'keyup' + EVENT_KEY + DATA_API_KEY
+  };
+
+  var ClassName = {
+    DISABLED: 'disabled',
+    SHOW: 'show',
+    DROPUP: 'dropup',
+    MENURIGHT: 'dropdown-menu-right',
+    MENULEFT: 'dropdown-menu-left'
+  };
+
+  var Selector = {
+    DATA_TOGGLE: '[data-toggle="dropdown"]',
+    FORM_CHILD: '.dropdown form',
+    MENU: '.dropdown-menu',
+    NAVBAR_NAV: '.navbar-nav',
+    VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)'
+  };
+
+  var AttachmentMap = {
+    TOP: 'top-start',
+    TOPEND: 'top-end',
+    BOTTOM: 'bottom-start',
+    BOTTOMEND: 'bottom-end'
+  };
+
+  var Default = {
+    placement: AttachmentMap.BOTTOM,
+    offset: 0,
+    flip: true
+  };
+
+  var DefaultType = {
+    placement: 'string',
+    offset: '(number|string)',
+    flip: 'boolean'
+
+    /**
+     * ------------------------------------------------------------------------
+     * Class Definition
+     * ------------------------------------------------------------------------
+     */
+
+  };
+  var Dropdown = function () {
+    function Dropdown(element, config) {
+      _classCallCheck(this, Dropdown);
+
+      this._element = element;
+      this._popper = null;
+      this._config = this._getConfig(config);
+      this._menu = this._getMenuElement();
+      this._inNavbar = this._detectNavbar();
+
+      this._addEventListeners();
+    }
+
+    // getters
+
+    // public
+
+    Dropdown.prototype.toggle = function toggle() {
+      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
+        return;
+      }
+
+      var parent = Dropdown._getParentFromElement(this._element);
+      var isActive = $(this._menu).hasClass(ClassName.SHOW);
+
+      Dropdown._clearMenus();
+
+      if (isActive) {
+        return;
+      }
+
+      var relatedTarget = {
+        relatedTarget: this._element
+      };
+      var showEvent = $.Event(Event.SHOW, relatedTarget);
+
+      $(parent).trigger(showEvent);
+
+      if (showEvent.isDefaultPrevented()) {
+        return;
+      }
+
+      var element = this._element;
+      // for dropup with alignment we use the parent as popper container
+      if ($(parent).hasClass(ClassName.DROPUP)) {
+        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
+          element = parent;
+        }
+      }
+      this._popper = new Popper(element, this._menu, this._getPopperConfig());
+
+      // if this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
+        $('body').children().on('mouseover', null, $.noop);
+      }
+
+      this._element.focus();
+      this._element.setAttribute('aria-expanded', true);
+
+      $(this._menu).toggleClass(ClassName.SHOW);
+      $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
+    };
+
+    Dropdown.prototype.dispose = function dispose() {
+      $.removeData(this._element, DATA_KEY);
+      $(this._element).off(EVENT_KEY);
+      this._element = null;
+      this._menu = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
+    };
+
+    Dropdown.prototype.update = function update() {
+      this._inNavbar = this._detectNavbar();
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
+    };
+
+    // private
+
+    Dropdown.prototype._addEventListeners = function _addEventListeners() {
+      var _this = this;
+
+      $(this._element).on(Event.CLICK, function (event) {
+        event.preventDefault();
+        event.stopPropagation();
+        _this.toggle();
+      });
+    };
+
+    Dropdown.prototype._getConfig = function _getConfig(config) {
+      var elementData = $(this._element).data();
+      if (elementData.placement !== undefined) {
+        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()];
+      }
+
+      config = $.extend({}, this.constructor.Default, $(this._element).data(), config);
+
+      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+
+      return config;
+    };
+
+    Dropdown.prototype._getMenuElement = function _getMenuElement() {
+      if (!this._menu) {
+        var parent = Dropdown._getParentFromElement(this._element);
+        this._menu = $(parent).find(Selector.MENU)[0];
+      }
+      return this._menu;
+    };
+
+    Dropdown.prototype._getPlacement = function _getPlacement() {
+      var $parentDropdown = $(this._element).parent();
+      var placement = this._config.placement;
+
+      // Handle dropup
+      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
+        placement = AttachmentMap.TOP;
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.TOPEND;
+        }
+      } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+        placement = AttachmentMap.BOTTOMEND;
+      }
+      return placement;
+    };
+
+    Dropdown.prototype._detectNavbar = function _detectNavbar() {
+      return $(this._element).closest('.navbar').length > 0;
+    };
+
+    Dropdown.prototype._getPopperConfig = function _getPopperConfig() {
+      var popperConfig = {
+        placement: this._getPlacement(),
+        modifiers: {
+          offset: {
+            offset: this._config.offset
+          },
+          flip: {
+            enabled: this._config.flip
+          }
+        }
+
+        // Disable Popper.js for Dropdown in Navbar
+      };if (this._inNavbar) {
+        popperConfig.modifiers.applyStyle = {
+          enabled: !this._inNavbar
+        };
+      }
+      return popperConfig;
+    };
+
+    // static
+
+    Dropdown._jQueryInterface = function _jQueryInterface(config) {
+      return this.each(function () {
+        var data = $(this).data(DATA_KEY);
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
+
+        if (!data) {
+          data = new Dropdown(this, _config);
+          $(this).data(DATA_KEY, data);
+        }
+
+        if (typeof config === 'string') {
+          if (data[config] === undefined) {
+            throw new Error('No method named "' + config + '"');
+          }
+          data[config]();
+        }
+      });
+    };
+
+    Dropdown._clearMenus = function _clearMenus(event) {
+      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
+        return;
+      }
+
+      var toggles = $.makeArray($(Selector.DATA_TOGGLE));
+      for (var i = 0; i < toggles.length; i++) {
+        var parent = Dropdown._getParentFromElement(toggles[i]);
+        var context = $(toggles[i]).data(DATA_KEY);
+        var relatedTarget = {
+          relatedTarget: toggles[i]
+        };
+
+        if (!context) {
+          continue;
+        }
+
+        var dropdownMenu = context._menu;
+        if (!$(parent).hasClass(ClassName.SHOW)) {
+          continue;
+        }
+
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
+          continue;
+        }
+
+        var hideEvent = $.Event(Event.HIDE, relatedTarget);
+        $(parent).trigger(hideEvent);
+        if (hideEvent.isDefaultPrevented()) {
+          continue;
+        }
+
+        // if this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().off('mouseover', null, $.noop);
+        }
+
+        toggles[i].setAttribute('aria-expanded', 'false');
+
+        $(dropdownMenu).removeClass(ClassName.SHOW);
+        $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
+      }
+    };
+
+    Dropdown._getParentFromElement = function _getParentFromElement(element) {
+      var parent = void 0;
+      var selector = Util.getSelectorFromElement(element);
+
+      if (selector) {
+        parent = $(selector)[0];
+      }
+
+      return parent || element.parentNode;
+    };
+
+    Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
+      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) {
+        return;
+      }
+
+      event.preventDefault();
+      event.stopPropagation();
+
+      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
+        return;
+      }
+
+      var parent = Dropdown._getParentFromElement(this);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
+
+      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
+
+        if (event.which === ESCAPE_KEYCODE) {
+          var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
+          $(toggle).trigger('focus');
+        }
+
+        $(this).trigger('click');
+        return;
+      }
+
+      var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
+
+      if (!items.length) {
+        return;
+      }
+
+      var index = items.indexOf(event.target);
+
+      if (event.which === ARROW_UP_KEYCODE && index > 0) {
+        // up
+        index--;
+      }
+
+      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
+        // down
+        index++;
+      }
+
+      if (index < 0) {
+        index = 0;
+      }
+
+      items[index].focus();
+    };
+
+    _createClass(Dropdown, null, [{
+      key: 'VERSION',
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: 'Default',
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: 'DefaultType',
+      get: function get() {
+        return DefaultType;
+      }
+    }]);
+
+    return Dropdown;
+  }();
+
+  /**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+    event.preventDefault();
+    event.stopPropagation();
+    Dropdown._jQueryInterface.call($(this), 'toggle');
+  }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+    e.stopPropagation();
+  });
+
+  /**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+
+  $.fn[NAME] = Dropdown._jQueryInterface;
+  $.fn[NAME].Constructor = Dropdown;
+  $.fn[NAME].noConflict = function () {
+    $.fn[NAME] = JQUERY_NO_CONFLICT;
+    return Dropdown._jQueryInterface;
+  };
+
+  return Dropdown;
+}(jQuery); /* global Popper */
+//# sourceMappingURL=dropdown.js.map

plugins/themes/default/js/lib/bootstrap/util.js

@@ -0,0 +1,152 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0-beta): util.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+var Util = function ($) {
+
+  /**
+   * ------------------------------------------------------------------------
+   * Private TransitionEnd Helpers
+   * ------------------------------------------------------------------------
+   */
+
+  var transition = false;
+
+  var MAX_UID = 1000000;
+
+  var TransitionEndEvent = {
+    WebkitTransition: 'webkitTransitionEnd',
+    MozTransition: 'transitionend',
+    OTransition: 'oTransitionEnd otransitionend',
+    transition: 'transitionend'
+
+    // shoutout AngusCroll (https://goo.gl/pxwQGp)
+  };function toType(obj) {
+    return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
+  }
+
+  function isElement(obj) {
+    return (obj[0] || obj).nodeType;
+  }
+
+  function getSpecialTransitionEndEvent() {
+    return {
+      bindType: transition.end,
+      delegateType: transition.end,
+      handle: function handle(event) {
+        if ($(event.target).is(this)) {
+          return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
+        }
+        return undefined;
+      }
+    };
+  }
+
+  function transitionEndTest() {
+    if (window.QUnit) {
+      return false;
+    }
+
+    var el = document.createElement('bootstrap');
+
+    for (var name in TransitionEndEvent) {
+      if (el.style[name] !== undefined) {
+        return {
+          end: TransitionEndEvent[name]
+        };
+      }
+    }
+
+    return false;
+  }
+
+  function transitionEndEmulator(duration) {
+    var _this = this;
+
+    var called = false;
+
+    $(this).one(Util.TRANSITION_END, function () {
+      called = true;
+    });
+
+    setTimeout(function () {
+      if (!called) {
+        Util.triggerTransitionEnd(_this);
+      }
+    }, duration);
+
+    return this;
+  }
+
+  function setTransitionEndSupport() {
+    transition = transitionEndTest();
+
+    $.fn.emulateTransitionEnd = transitionEndEmulator;
+
+    if (Util.supportsTransitionEnd()) {
+      $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
+    }
+  }
+
+  /**
+   * --------------------------------------------------------------------------
+   * Public Util Api
+   * --------------------------------------------------------------------------
+   */
+
+  var Util = {
+
+    TRANSITION_END: 'bsTransitionEnd',
+
+    getUID: function getUID(prefix) {
+      do {
+        // eslint-disable-next-line no-bitwise
+        prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
+      } while (document.getElementById(prefix));
+      return prefix;
+    },
+    getSelectorFromElement: function getSelectorFromElement(element) {
+      var selector = element.getAttribute('data-target');
+      if (!selector || selector === '#') {
+        selector = element.getAttribute('href') || '';
+      }
+
+      try {
+        var $selector = $(selector);
+        return $selector.length > 0 ? selector : null;
+      } catch (error) {
+        return null;
+      }
+    },
+    reflow: function reflow(element) {
+      return element.offsetHeight;
+    },
+    triggerTransitionEnd: function triggerTransitionEnd(element) {
+      $(element).trigger(transition.end);
+    },
+    supportsTransitionEnd: function supportsTransitionEnd() {
+      return Boolean(transition);
+    },
+    typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
+      for (var property in configTypes) {
+        if (configTypes.hasOwnProperty(property)) {
+          var expectedTypes = configTypes[property];
+          var value = config[property];
+          var valueType = value && isElement(value) ? 'element' : toType(value);
+
+          if (!new RegExp(expectedTypes).test(valueType)) {
+            throw new Error(componentName.toUpperCase() + ': ' + ('Option "' + property + '" provided type "' + valueType + '" ') + ('but expected type "' + expectedTypes + '".'));
+          }
+        }
+      }
+    }
+  };
+
+  setTransitionEndSupport();
+
+  return Util;
+}(jQuery);
+//# sourceMappingURL=util.js.map

plugins/themes/default/js/lib/popper/LICENSE.md

@@ -0,0 +1,25 @@
+The MIT License (MIT)
+=====================
+
+Copyright © 2016 Federico Zivolo and contributors
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the “Software”), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

plugins/themes/default/js/main.js

@@ -0,0 +1,100 @@
+/**
+ * @file plugins/themes/default/js/main.js
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2000-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @brief Handle JavaScript functionality unique to this theme.
+ */
+(function($) {
+
+	// Initialize dropdown navigation menus on large screens
+	// See bootstrap dropdowns: https://getbootstrap.com/docs/4.0/components/dropdowns/
+	if (typeof $.fn.dropdown !== 'undefined') {
+		var $nav = $('#navigationPrimary, #navigationUser'),
+		$submenus = $('ul', $nav);
+		function toggleDropdowns() {
+			if (window.innerWidth > 992) {
+				$submenus.each(function(i) {
+					var id = 'pkpDropdown' + i;
+					$(this)
+						.addClass('dropdown-menu')
+						.attr('aria-labelledby', id);
+					$(this).siblings('a')
+						.attr('data-toggle', 'dropdown')
+						.attr('aria-haspopup', true)
+						.attr('aria-expanded', false)
+						.attr('id', id)
+						.attr('href', '#');
+				});
+				$('[data-toggle="dropdown"]').dropdown();
+
+			} else {
+				$('[data-toggle="dropdown"]').dropdown('dispose');
+				$submenus.each(function(i) {
+					$(this)
+						.removeClass('dropdown-menu')
+						.removeAttr('aria-labelledby');
+					$(this).siblings('a')
+						.removeAttr('data-toggle')
+						.removeAttr('aria-haspopup')
+						.removeAttr('aria-expanded',)
+						.removeAttr('id')
+						.attr('href', '#');
+				});
+			}
+		}
+		window.onresize = toggleDropdowns;
+		$().ready(function() {
+			toggleDropdowns();
+		});
+	}
+
+	// Toggle nav menu on small screens
+	$('.pkp_site_nav_toggle').click(function(e) {
+  		$('.pkp_site_nav_menu').toggleClass('pkp_site_nav_menu--isOpen');
+  		$('.pkp_site_nav_toggle').toggleClass('pkp_site_nav_toggle--transform');
+	});
+
+	// Modify the Chart.js display options used by UsageStats plugin
+	document.addEventListener('usageStatsChartOptions.pkp', function(e) {
+		e.chartOptions.elements.line.backgroundColor = 'rgba(0, 122, 178, 0.6)';
+		e.chartOptions.elements.rectangle.backgroundColor = 'rgba(0, 122, 178, 0.6)';
+	});
+
+	// Toggle display of consent checkboxes in site-wide registration
+	var $contextOptinGroup = $('#contextOptinGroup');
+	if ($contextOptinGroup.length) {
+		var $roles = $contextOptinGroup.find('.roles :checkbox');
+		$roles.change(function() {
+			var $thisRoles = $(this).closest('.roles');
+			if ($thisRoles.find(':checked').length) {
+				$thisRoles.siblings('.context_privacy').addClass('context_privacy_visible');
+			} else {
+				$thisRoles.siblings('.context_privacy').removeClass('context_privacy_visible');
+			}
+		});
+	}
+
+	// Show or hide the reviewer interests field on the registration form
+	// when a user has opted to register as a reviewer.
+	function reviewerInterestsToggle() {
+		var is_checked = false;
+		$('#reviewerOptinGroup').find('input').each(function() {
+			if ($(this).is(':checked')) {
+				is_checked = true;
+				return false;
+			}
+		});
+		if (is_checked) {
+			$('#reviewerInterests').addClass('is_visible');
+		} else {
+			$('#reviewerInterests').removeClass('is_visible');
+		}
+	}
+
+	reviewerInterestsToggle();
+	$('#reviewerOptinGroup input').on('click', reviewerInterestsToggle);
+
+})(jQuery);