
Boris Nauta
Certified NVC trainer, Mindfulness coach, Equanimity
/*prevent FOUC on mobile when using sidebar */
.dwc-mobile :is(.bricks-is-frontend.brx-header-left, .bricks-is-frontend.brx-header-right) #brx-header {
position: relative;
inline-size: 100%;
flex-direction: column;
}
.dwc-mobile .bricks-is-frontend:is(.brx-header-left, .brx-header-right) :is(#brx-content, #brx-footer) {
margin-inline-start: 0;
}
/*prevent FOUC on desktop when using sidebar */
.bricks-is-frontend:is(.brx-header-left, .brx-header-right):not(.show-nav) .dwc-nav-wrapper {
display: none;
}
/*=== sidebar css ===*/
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header {
flex-direction: column;
box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.7);
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]).no-scroll {
overflow: visible;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
max-block-size: 100dvb;
padding-block-end: 12rem;
overscroll-behavior: contain;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nav-wrapper {
position: relative;
overflow: hidden;
block-size: 100%;
transform: translateX(0%);
visibility: visible;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) .dwc-nest-menu .brxe-toggle {
display: none !important;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu {
display: flex;
flex-direction: column;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-header > div {
display: flex;
grid-template-columns: 1fr;
block-size: 100%;
flex-direction: column;
justify-content: flex-start;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-menu-wrap {
inline-size: 100%;
display: grid;
grid-template-columns: 1fr;
block-size: 100%;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header :is(.brxe-code, .dwc-nest-menu-overlay) {
display: none;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-header {
inline-size: 100%;
padding-inline: 0;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu-top {
min-block-size: var(--top-offset);
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu:not( [data-hide-close-bar = 'true']) .brx-dropdown-content {
inset-block-start: calc(var(--top-offset) + 1px) !important;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu:not( [data-submenu-reveal = 'slide']) .brx-dropdown-content:not([data-submenu-reveal = 'slide'] *) {
inset-inline-start: 0;
inset-block-start: unset !important;
overflow: hidden;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu:not([data-submenu-reveal = 'slide']) .brxe-dropdown:not(.open.active) > .brx-dropdown-content > .brxe-dropdown:not([data-submenu-reveal = 'slide'] *){
visibility: hidden;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu.brxe-nav-nested.brx-open .brxe-dropdown > .brx-dropdown-content {
overscroll-behavior: contain;
min-inline-size: var(--mobile-menu-width);
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu .brxe-dropdown.open > .brx-submenu-toggle button:not([data-submenu-reveal = 'expand'] button) {
min-block-size: calc(var(--top-offset) - 1px);
inset-block-start: 0;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu .brxe-dropdown.open[data-submenu-reveal = 'slide'] > .brx-submenu-toggle button {
min-block-size: calc(var(--top-offset) - 1px);
inset-block-start: 0;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu .brxe-dropdown .brx-submenu-toggle button {
min-block-size: 0;
}
/* sidebar css ends*/
/*sidebar in builder*/
/*=== sidebar css ===*/
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header {
flex-direction: column;
box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.7);
--top-offset: 40px;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
max-block-size: 100dvb;
padding-block-end: 12rem;
overscroll-behavior: contain;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nav-wrapper {
position: relative;
overflow: hidden;
block-size: 100%;
transform: translateX(0%);
visibility: visible;
}
body:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu .brxe-toggle {
display: none !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu {
display: flex;
flex-direction: column;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-header > div {
display: flex;
grid-template-columns: 1fr;
block-size: 100%;
flex-direction: column;
justify-content: flex-start;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-menu-wrap {
inline-size: 100%;
display: grid;
grid-template-columns: 1fr;
block-size: 100%;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-header {
inline-size: 100%;
padding-inline: 0;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu-top {
min-block-size: var(--top-offset);
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brx-dropdown-content {
inset-block-start: calc(var(--top-offset) - 1px) !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu.brxe-nav-nested.brx-open .brxe-dropdown > .brx-dropdown-content {
overscroll-behavior: contain;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brxe-dropdown.open > .brx-submenu-toggle button {
min-block-size: calc(var(--top-offset) - 1px);
inset-block-start: 0;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brxe-dropdown .brx-submenu-toggle button {
min-block-size: 0;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu {
margin: 0 !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] .brx-nav-nested-items {
flex-direction: column !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-toggle--open.brxe-toggle {
display: flex !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu .brx-nav-nested-items {
position: relative !Important;
background: var(--mobile-menu-bg) !important;
align-items: stretch;
flex: 1;
}
:where(.brx-header-left, .brx-header-right)[data-builder-mode]:not(:has(.dwc-sidebar)) .dwc-nest-menu-top::before {
content: 'this space is the back text bar';
padding: 1rem;
background-color: gray;
color: white;
width: 100%;
text-transform: uppercase;
font-size: 12px;
font-weight: bold;
letter-spacing: 1px;
}
/* MENU CTA (LAST BUTTON) */
:is(.brx-header-left, .brx-header-right)[data-builder-window] [data-last-item-is-button="true"].dwc-nest-menu .brx-nav-nested-items > .menu-item:last-of-type {
padding-inline: var(--menu-item-inline-padding) !important;
padding-block: var(--menu-item-block-padding) !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-menu-top {
min-block-size: 80px !important;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] .dwc-nest-nav-items {
overflow-y: scroll;
}
:is(.brx-header-left, .brx-header-right)[data-builder-mode] .brx-dropdown-content {
min-inline-size: var(--mobile-menu-width);
position: static;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
flex-wrap: nowrap;
}
:is(.brx-header-left, .brx-header-right)[data-builder-window] #brx-header .dwc-nest-menu .brx-dropdown-content {
visibility: visible !important;
opacity: 1;
}
/*OVERLAY SIDEBAR*/
html:not(.dwc-mobile):has([data-overlay-sidebar=true]) {
--mobile-menu-bg: rgb(255 255 255 / 0%);
--menu-item-border: solid 1px rgb(255 255 255 / 50%);
}
html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) :is(main, footer){
margin: 0 !important
}
html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) :is(main, footer) :where(section):not(section>section) {
padding-inline-start: calc(var(--mobile-menu-width) + clamp(1.5rem, calc(0.625vw + 1.375rem), 1.875rem));
max-inline-size: 100%
}
html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) #brx-header {
border-radius: var(--overlay-sidebar-radius);
overflow: hidden;
background: var(--overlay-sidebar-bg);
box-shadow: var(--overlay-sidebar-shadow) !important;
inset: var(--overlay-sidebar-inset);
}
html:not(.dwc-mobile):has([data-overlay-sidebar=true]) :is(.brx-header-left, .brx-header-right):not([data-builder-modee]) .dwc-nest-header{
backdrop-filter: blur(13px);
background: transparent !important;
}
html:not(.dwc-mobile):has([data-overlay-sidebar=true]):not([data-builder-modee]) .brx-dropdown-content {
background-color: rgb(255 255 255 / 100%);
}
/*NO BRX-OPEN STYLES*/
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) #brx-header .dwc-nest-menu.brxe-nav-nested .brx-nav-nested-items {
display: flex;
flex-wrap: nowrap;
flex-direction: column !important;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) .dwc-nest-menu.brxe-nav-nested .brxe-dropdown .brx-dropdown-content {
visibility: visible;
min-inline-size: var(--mobile-menu-width) !important;
}
html:not(.dwc-mobile) :is(.brx-header-left, .brx-header-right):not([data-builder-window]) .dwc-nest-menu[data-submenu-reveal="expand"] .brxe-dropdown.open>.brx-dropdown-content {
position: static;
}
class SidebarNavigation {
constructor(options = {}) {
// Basic configuration properties
this.config = {
minWidth: options.minWidth || MegaMenuCONFIG.minWidth, // Using external minWidth variable
menuSelector: options.menuSelector || '.dwc-nest-menu',
openClass: options.openClass || 'brx-open',
activeClasses: options.activeClasses || ['open', 'active'],
leftHeaderClass: options.leftHeaderClass || 'brx-header-left',
rightHeaderClass: options.rightHeaderClass || 'brx-header-right',
debounceDelay: options.debounceDelay || 100,
menuItemClickDelay: options.menuItemClickDelay || 300
};
// Set dependent selectors
const menuSelector = this.config.menuSelector;
this.config.submenuToggleSelector = options.submenuToggleSelector || `${menuSelector} .brx-submenu-toggle`;
this.config.dropdownSelector = options.dropdownSelector || `${menuSelector} .brxe-dropdown`;
this.config.dropdownContentSelector = options.dropdownContentSelector || `${menuSelector} .brx-dropdown-content`;
// State
this.previousHeaderClass = null;
this.dropdownClickHandlers = new Map();
this.menuHoverHandlers = null;
this.menuItemClickTimeout = null;
this.keyboardNavHandler = null;
this.cachedFocusableElements = null;
this.cachedElements = {
menuElement: null,
navElement: null,
dropdowns: null,
dropdownToggles: null,
menuItems: null
};
// Bind methods to this instance
this.handleResize = this.debounce(this.handleMenu.bind(this), this.config.debounceDelay);
this.handleOutsideClick = this.handleOutsideClick.bind(this);
}
// Initialize everything - called once
init() {
// Wait for DOM to be fully loaded before attaching events
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => {
this.initAfterDOMLoaded();
}, { once: true });
} else {
this.initAfterDOMLoaded();
}
return this;
}
// Separate initialization method to run after DOM is loaded
initAfterDOMLoaded() {
// Cache DOM elements once
this.cacheElements();
// Setup resize event with passive flag
window.addEventListener('resize', this.handleResize, { passive: true });
// Setup mutation observer for critical class changes only
this.setupMutationObserver();
// Initial setup based on current screen size
this.handleMenu();
// Cache focusable elements once if header class is present
if (this.hasHeaderClass()) {
this.cacheFocusableElements();
this.setupMenuFocusNavigation();
}
}
// Cache all required DOM elements upfront
cacheElements() {
this.cachedElements.menuElement = document.querySelector(this.config.menuSelector);
if (this.cachedElements.menuElement) {
this.cachedElements.navElement = this.cachedElements.menuElement.querySelector('.dwc-nest-nav-items');
this.cachedElements.dropdowns = Array.from(document.querySelectorAll(this.config.dropdownSelector));
this.cachedElements.dropdownToggles = Array.from(document.querySelectorAll(this.config.submenuToggleSelector));
this.cachedElements.menuItems = Array.from(document.querySelectorAll(`${this.config.menuSelector} .menu-item`));
}
}
// Set up a focused mutation observer only for dropdown state changes
setupMutationObserver() {
if (!this.cachedElements.dropdowns || this.cachedElements.dropdowns.length === 0) return;
const callback = (mutations) => {
for (let mutation of mutations) {
if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
const target = mutation.target;
const prevClassList = mutation.oldValue ? mutation.oldValue.split(' ') : [];
const hadBothBefore = prevClassList.includes('open') && prevClassList.includes('active');
const hasBothNow = target.classList.contains('open') && target.classList.contains('active');
if (hadBothBefore !== hasBothNow) {
this.updateDropdownAccessibility();
break; // Only need to update once per batch
}
}
}
};
// Create observer with optimized options
this.classObserver = new MutationObserver(callback);
// Observe only the dropdown elements
this.cachedElements.dropdowns.forEach(dropdown => {
this.classObserver.observe(dropdown, {
attributes: true,
attributeFilter: ['class'],
attributeOldValue: true
});
});
}
// Cache focusable elements for keyboard navigation
cacheFocusableElements() {
if (!this.cachedElements.navElement) return;
// Get direct children of nav
const directChildren = Array.from(this.cachedElements.navElement.children);
// Find the first focusable element within each direct child
this.cachedFocusableElements = directChildren.map(child => {
// Check if the child itself is focusable
if (child.matches('a, button, input, select, textarea, [tabindex]:not([tabindex="-1"])')) {
return child;
}
// Otherwise, find the first focusable element within this child
return child.querySelector('a, button, input, select, textarea, [tabindex]:not([tabindex="-1"])');
}).filter(Boolean); // Remove null/undefined values
}
// Clean up all event listeners and observers
destroy() {
// Clean up the mutation observer
if (this.classObserver) {
this.classObserver.disconnect();
this.classObserver = null;
}
// Clean up resize listener
window.removeEventListener('resize', this.handleResize);
// Clean up click handlers
if (this.dropdownClickHandlers.size > 0) {
this.dropdownClickHandlers.forEach((handler, toggle) => {
toggle.removeEventListener('click', handler);
});
this.dropdownClickHandlers.clear();
}
// Clean up hover handlers
this.cleanupMenuHover();
// Clean up menu item click handlers
this.cleanupMenuItemClicks();
// Clean up outside click handler
document.removeEventListener('click', this.handleOutsideClick);
// Clean up keyboard navigation
if (this.keyboardNavHandler) {
document.removeEventListener('keydown', this.keyboardNavHandler);
this.keyboardNavHandler = null;
}
// Clear any pending timeouts
if (this.menuItemClickTimeout) {
clearTimeout(this.menuItemClickTimeout);
this.menuItemClickTimeout = null;
}
}
// Utility methods
hasHeaderClass() {
return document.body.classList.contains(this.config.leftHeaderClass) ||
document.body.classList.contains(this.config.rightHeaderClass);
}
debounce(func, delay) {
let timer;
return (...args) => {
clearTimeout(timer);
timer = setTimeout(() => func(...args), delay);
};
}
// Check if an element has all the required active classes
hasAllActiveClasses(element) {
return this.config.activeClasses.every(className => element.classList.contains(className));
}
// Toggle all active classes on an element
toggleActiveClasses(element) {
this.config.activeClasses.forEach(className => {
element.classList.toggle(className);
});
}
// Core functionality methods
handleMenu() {
if (!this.cachedElements.menuElement) return;
if (!this.hasHeaderClass() && !this.previousHeaderClass) return;
const screenWidth = window.innerWidth;
const isLargeScreen = screenWidth >= this.config.minWidth;
const menuElement = this.cachedElements.menuElement;
if (!isLargeScreen) {
// Save which class was present before removal
if (this.hasHeaderClass()) {
this.previousHeaderClass = document.body.classList.contains(this.config.leftHeaderClass)
? this.config.leftHeaderClass
: this.config.rightHeaderClass;
// Remove header classes
document.body.classList.remove(this.config.leftHeaderClass, this.config.rightHeaderClass);
menuElement.classList.remove(this.config.openClass);
// Reset accessibility attributes
this.resetAccessibilityAttributes();
}
// Clean up event handlers for mobile view
this.cleanupMenuHover();
this.cleanupMenuItemClicks();
this.cleanupDropdownHandlers();
document.removeEventListener('click', this.handleOutsideClick);
return;
}
// Large screen behavior
if (!this.hasHeaderClass() && this.previousHeaderClass) {
document.body.classList.add(this.previousHeaderClass);
}
if (this.hasHeaderClass()) {
if (!menuElement.classList.contains(this.config.openClass)) {
menuElement.classList.add(this.config.openClass);
}
// Setup elements for large screen view
this.setupMenuHover();
this.setupMenuItemClicks();
this.setupDropdownHandlers();
this.setupMenuFocusNavigation();
this.updateDropdownAccessibility();
// Ensure outside click handler is set up
document.removeEventListener('click', this.handleOutsideClick);
document.addEventListener('click', this.handleOutsideClick, { passive: false });
}
}
// Reset accessibility attributes when switching to mobile
resetAccessibilityAttributes() {
if (!this.cachedElements.dropdowns) return;
// Remove all inert attributes from dropdown contents
this.cachedElements.dropdowns.forEach(dropdown => {
const content = dropdown.querySelector(this.config.dropdownContentSelector);
if (content) {
content.removeAttribute('inert');
}
const button = dropdown.querySelector('button');
if (button) {
button.setAttribute('aria-expanded', 'false');
}
});
}
setupMenuFocusNavigation() {
// Only run if hasHeaderClass() is true and we have focusable elements
if (!this.hasHeaderClass() || !this.cachedFocusableElements || this.cachedFocusableElements.length === 0) {
return;
}
// Clean up previous handler if it exists
if (this.keyboardNavHandler) {
document.removeEventListener('keydown', this.keyboardNavHandler, true);
this.keyboardNavHandler = null;
}
const navMenu = this.cachedElements.menuElement;
const focusableElements = this.cachedFocusableElements;
const firstFocusableElement = focusableElements[0];
const lastFocusableElement = focusableElements[focusableElements.length - 1];
// Find adjacent focusable elements outside the menu (only once during setup)
const headerElement = navMenu.closest('header') || document.querySelector('header');
// Prepare variables to hold adjacent elements
let prevFocusableElement = null;
let nextFocusableElement = null;
let firstElementAfterHeader = null;
if (headerElement) {
// Get all focusable elements within the header - do this once and cache the result
const headerFocusables = Array.from(
headerElement.querySelectorAll('a:not([tabindex="-1"]), button:not([tabindex="-1"]), input:not([tabindex="-1"]), select:not([tabindex="-1"]), textarea:not([tabindex="-1"]), [tabindex]:not([tabindex="-1"])')
).filter(el => window.getComputedStyle(el).display !== 'none');
// Find the index of our first and last menu elements in one pass
const menuStartIndex = headerFocusables.indexOf(firstFocusableElement);
const menuEndIndex = headerFocusables.indexOf(lastFocusableElement);
// Cache the adjacent elements
if (menuStartIndex > 0) {
prevFocusableElement = headerFocusables[menuStartIndex - 1];
}
if (menuEndIndex !== -1 && menuEndIndex < headerFocusables.length - 1) {
nextFocusableElement = headerFocusables[menuEndIndex + 1];
}
// Pre-calculate the first element after header - but only if needed
if (!nextFocusableElement) {
// Use a more efficient selector that targets immediate children of body that aren't the header
const selector = 'body > *:not(header)';
const nonHeaderElements = document.querySelectorAll(selector);
// Only process if we have elements
if (nonHeaderElements.length > 0) {
// Create a function to find the first focusable element (used later if needed)
this.findFirstFocusableAfterHeader = () => {
for (const element of nonHeaderElements) {
const focusable = element.querySelector('a:not([tabindex="-1"]), button:not([tabindex="-1"]), input:not([tabindex="-1"]), select:not([tabindex="-1"]), textarea:not([tabindex="-1"]), [tabindex]:not([tabindex="-1"])');
if (focusable && window.getComputedStyle(focusable).display !== 'none') {
return focusable;
}
}
return null;
};
}
}
}
// Create keyboard navigation handler with closure over the cached elements
this.keyboardNavHandler = (e) => {
// Quick check for Tab key first
if (e.key !== 'Tab') return;
// Then check if focus is inside the menu
if (!navMenu.contains(document.activeElement)) return;
let targetElement = null;
// Handle tab navigation at boundaries only
if (!e.shiftKey && document.activeElement === lastFocusableElement) {
// Forward tab from last element
e.preventDefault();
e.stopPropagation();
if (nextFocusableElement) {
targetElement = nextFocusableElement;
} else if (this.findFirstFocusableAfterHeader) {
// Only search for elements after header if needed and not already found
firstElementAfterHeader = this.findFirstFocusableAfterHeader();
targetElement = firstElementAfterHeader;
}
// Focus on the target or body as fallback
setTimeout(() => {
if (targetElement) {
targetElement.focus();
} else {
document.body.setAttribute('tabindex', '-1');
document.body.focus();
document.body.removeAttribute('tabindex');
}
}, 10);
}
else if (e.shiftKey && document.activeElement === firstFocusableElement) {
// Backward tab from first element
e.preventDefault();
e.stopPropagation();
setTimeout(() => {
if (prevFocusableElement) {
prevFocusableElement.focus();
} else {
document.body.setAttribute('tabindex', '-1');
document.body.focus();
document.body.removeAttribute('tabindex');
}
}, 10);
}
};
// Use capture phase for the event
document.addEventListener('keydown', this.keyboardNavHandler, true);
}
setupMenuHover() {
const menuElement = this.cachedElements.menuElement;
if (!menuElement) return;
// Clean up existing hover handlers first
this.cleanupMenuHover();
// Create event handlers
const mouseenterHandler = () => {
menuElement.classList.add(this.config.openClass);
};
const mouseleaveHandler = () => {
menuElement.classList.remove(this.config.openClass);
};
// Add event listeners with passive flag for better performance
menuElement.addEventListener('mouseenter', mouseenterHandler, { passive: true });
menuElement.addEventListener('mouseleave', mouseleaveHandler, { passive: true });
// Store the handlers for cleanup
this.menuHoverHandlers = {
element: menuElement,
mouseenter: mouseenterHandler,
mouseleave: mouseleaveHandler
};
}
cleanupMenuHover() {
if (this.menuHoverHandlers) {
const { element, mouseenter, mouseleave } = this.menuHoverHandlers;
element.removeEventListener('mouseenter', mouseenter);
element.removeEventListener('mouseleave', mouseleave);
this.menuHoverHandlers = null;
}
}
setupMenuItemClicks() {
if (!this.cachedElements.menuItems || this.cachedElements.menuItems.length === 0) return;
// Clean up existing handlers first
this.cleanupMenuItemClicks();
const menuElement = this.cachedElements.menuElement;
const menuItemHandlers = new Map();
this.cachedElements.menuItems.forEach(item => {
const clickHandler = () => {
if (this.hasHeaderClass()) {
// Clear any existing timeout
if (this.menuItemClickTimeout) {
clearTimeout(this.menuItemClickTimeout);
}
// Set timeout before adding the class
this.menuItemClickTimeout = setTimeout(() => {
if (!menuElement.classList.contains(this.config.openClass)) {
menuElement.classList.add(this.config.openClass);
}
}, this.config.menuItemClickDelay);
}
};
menuItemHandlers.set(item, clickHandler);
item.addEventListener('click', clickHandler);
});
this.menuItemClickHandlers = menuItemHandlers;
}
cleanupMenuItemClicks() {
if (this.menuItemClickHandlers && this.menuItemClickHandlers instanceof Map) {
this.menuItemClickHandlers.forEach((handler, item) => {
item.removeEventListener('click', handler);
});
this.menuItemClickHandlers.clear();
}
if (this.menuItemClickTimeout) {
clearTimeout(this.menuItemClickTimeout);
this.menuItemClickTimeout = null;
}
}
setupDropdownHandlers() {
if (!this.hasHeaderClass() || !this.cachedElements.dropdownToggles) return;
// Clean up existing handlers first
this.cleanupDropdownHandlers();
this.cachedElements.dropdownToggles.forEach(toggle => {
const clickHandler = (event) => {
event.stopPropagation();
event.preventDefault();
const dropdown = toggle.closest(this.config.dropdownSelector);
if (dropdown) {
this.toggleActiveClasses(dropdown);
this.updateDropdownAccessibility();
}
};
this.dropdownClickHandlers.set(toggle, clickHandler);
toggle.addEventListener('click', clickHandler);
});
}
cleanupDropdownHandlers() {
if (this.dropdownClickHandlers.size > 0) {
this.dropdownClickHandlers.forEach((handler, toggle) => {
toggle.removeEventListener('click', handler);
});
this.dropdownClickHandlers.clear();
}
}
handleOutsideClick(event) {
if (event.target.tagName === 'A') return;
if (!event.target.closest(this.config.dropdownSelector)) return;
if (!event.target.closest(this.config.submenuToggleSelector)) {
event.preventDefault();
event.stopPropagation();
}
}
updateDropdownAccessibility() {
// Only run if hasHeaderClass() is true
if (!this.hasHeaderClass() || !this.cachedElements.dropdowns) return;
this.cachedElements.dropdowns.forEach(dropdown => {
const content = dropdown.querySelector(this.config.dropdownContentSelector);
const button = dropdown.querySelector('button');
// Check if dropdown has all active classes
const isOpen = this.hasAllActiveClasses(dropdown);
if (content) {
if (isOpen) {
content.removeAttribute('inert');
} else {
content.setAttribute('inert', '');
}
}
if (button) {
button.setAttribute('aria-expanded', isOpen ? 'true' : 'false');
}
});
}
}
const sidebarNav = new SidebarNavigation().init();
Within the Equanimity training agency, founder Boris Nauta collaborates with trainers from various professional backgrounds, such as the creative sector, the performing arts, the medical world, education, and youth care. Depending on the training request, a suitable team is assembled with relevant sector experience, which ensures recognition and resonance for participants in our training sessions.
The team consists of professionals from the national and international network of Nonviolent Communication trainers, but experts in fields such as Systemic (team) coaching, Transactional Analysis, Deep Democracy, DISC, and Mindfulness can also join depending on the assignment.
These are the Nonviolent communication trainers whom you may encounter in Equanimity’s courses and workshops (click for more information):

Certified NVC trainer, Mindfulness coach, Equanimity

Boris Nauta is the founder of training agency Equanimity and has been delivering since 2019 training courses Non-violent communication and workshops in the field of Emotional intelligence for individuals, commercial institutions and organisations in the creative sector, the performing arts and the healthcare sector.
To that end he has been working for over 20 years as an interim Creative Producer and Product Owner for clients including Heineken International, Philips Design, CLUSE, Polestar and various advertising and design agencies. He was also involved in the launch of THNK School of Creative Leadership.
Boris studied Communication Studies in Nijmegen and underwent several cohorts (trainer) training in the field of Nonviolent communication. Since 2024, he has been certified as an International Nonviolent Communication trainer by the CNVC.
Furthermore he went on to complete training as a Mindfulness and Compassion Coach at the Academy for Life, and a postgraduate training course MBSR at the Centre for Mindfulness at the Radboud UMC Nijmegen. Finally, he is a certified DISC trainer.
Do you want to find out a bit more about Boris, then read on on his profile page.

Certified NVC trainer, teacher and coach, EmpaTilya

Suzanne Nederlof has a background in international cooperation. She has an MSc in rural development sociology and a PhD in communication and innovation from the University of Wageningen. She conducted research into the improvement of the living conditions of small-scale farmers in West Africa and lived and worked for over ten years in Burkina Faso, Ghana and Togo. After that, based in the Netherlands, she contributed to innovation and “multi-stakeholder processes” in Africa.
Suzanne Nederlof is an internationally certified trainer in Nonviolent Communication and a candidate assessor for the CNVC and owner of training agency EmpaTilya. In addition Suzanne works as a senior lecturer at Van Hall Larenstein University of Applied Sciences.
Suzanne and Boris run together a year-long training course and various thematic in-depth training courses in the field of Nonviolent communication, which can be attended by participants in both Amsterdam and in Wageningen. Suzanne and Boris also enjoy working together on tailored programmes for teams and organisations in an international, multicultural setting.

Educationalist, NVC trainer & parenting coach, Equanimity

Mae Heffelaar worked for over 15 years as a social worker in the youth care and provided a great deal of parenting training and personal guidance to parents with various issues.
These days works Mae as an independent coach and trainer and facilitates she workshops on effective communication based on the philosophy of Nonviolent Communication. It also supports parents with individual issues regarding child-rearing.
Mae has a strong need to put herself forward in way in which children are raised. What works in this regard both for the child and the parent? How can you as a parent stay close to yourself remain, express yourself in a way that suits both you and your child?
Mae and Boris run together ‘ office’ at Fort Nigtevecht where they also run the monthly Nonviolent communication practice group ‘The Connection Fort’ facilitate. In addition they offer Advanced training in Parenting in Connection and work together on tailored programmes for teams and organisations.

Team & Organisational coach, Process Facilitator, Equanimity

With a background in the creative sector and years of experience in international projects and productions, Maren led diverse teams and organisations as a project and operations manager. Her passion for collaborative working and fascination with team dynamics led to a training as ORSC team coach (Organisational Relationship Systems Coaching). Nowadays Maren works as a team and organisational coach and an operations consultant. With a systemic perspective and based on the principles of Nonviolent Communication she helps leaders and teams to create a dynamic and inclusive working culture to create: a foundation for innovative and groundbreaking collaborations.
Together with Boris, Maren offers workshops and programmes to for teams and organisations that wish to improve their collaboration based on Nonviolent communication and Systemic team coaching.

Certified coach and trainer, Vanuit bewustzijn in beweging

Elles Bindels worked as a doctor in the Department of Psychiatry, the Youth Health Care and the rehabilitation sector. In addition, she was a lecturer within the medical curriculum. Ever since her internships Elles had an interest in non-medical skills. She undertook training courses in various communication, behavioural, and personality models. She believes in the power of reflection and self-care for healthcare professionals. Central is to her in this regard the question: “How can I be the doctor/healthcare professional I always had in mind, in a way that feels meaningful and sustainable to me?”
From her practice From Awareness in movement Elles coaches medical professionals and develops training courses in the field of Connective communication, the enhancement of mental flexibility and dealing with high-impact events in the medical sector.
Elles and Boris work together in the field of training courses in the healthcare sector, for doctors and medical specialists both for Open Enrolment and In-Company.

Certified NVC trainer, teacher and coach, Een Goed Gesprek

Annette Lubbers studied French Language and Literature and Cultural Studies at the University of Amsterdam, and worked as a press officer and spokesperson at the Ministry of Education, Culture and Science. She then worked as an interim communications advisor for various government, healthcare, and cultural organizations and wrote two books: one on the history of the Lloyd Hotel in Amsterdam and another on 40 years of Higher Education in the Netherlands.
Since 2017, Annette has run her own training agency Een Goed Gesprek and is active as a lecturer at the Faculty of Communication at the Utrecht University of Applied Sciences. She is certified as an International Nonviolent communication trainer by the CNVC.
Annette and Boris together lead the monthly Nonviolent communication Deepening Day for Equanimity and enjoy collaborating on customized training for organizations in healthcare, education, the creative sector, and government.
Want to stay informed about new training dates and blog posts? You'll receive an email a few times a year, and you can easily unsubscribe at any time.






