136 lines
3.7 KiB
JavaScript
136 lines
3.7 KiB
JavaScript
/**
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*
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* Toolbar menu code.
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*
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* Toggle own state
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* Listens toolbar-menu-set-toggle to change state.
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*
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* @type {Drupal~behavior}
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*
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* @prop {Drupal~behaviorAttach} attach
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*/
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(
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(Drupal, once) => {
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/**
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* Constant for the "toolbar-menu-set-toggle" event name.
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*
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* @type {string}
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*/
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const TOOLBAR_MENU_SET_TOGGLE = 'toolbar-menu-set-toggle';
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/**
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* Initializes menu buttons.
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*
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* @type {Drupal~behavior}
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*
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* @prop {Drupal~behaviorAttach} attach
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* Toggles aria-expanded attribute.
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* Changes buttons inner text.
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* Listens event when should be expanded.
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*/
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Drupal.behaviors.navigationProcessToolbarMenuTriggers = {
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attach: (context) => {
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once(
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'toolbar-menu-trigger',
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'[data-toolbar-menu-trigger]',
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context,
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).forEach((button) => {
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const menu = button.nextElementSibling;
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/**
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* Element containing the button text.
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*
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* @type {HTMLElement}
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*/
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const text = button.querySelector('[data-toolbar-action]');
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/**
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* Toggles the button's aria-expanded attribute and updates its text.
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* This is only one function which change state of button.
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*
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* @param {boolean} state The button state it should be expanded or collapsed.
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*/
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const toggleButtonState = (state) => {
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button.setAttribute('aria-expanded', state);
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if (text) {
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text.textContent = state
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? Drupal.t('Collapse')
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: Drupal.t('Extend');
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}
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if (state) {
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menu.removeAttribute('inert');
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} else {
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menu.setAttribute('inert', true);
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}
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};
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button.addEventListener('click', (e) => {
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const level = e.currentTarget.dataset.toolbarMenuTrigger;
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const state =
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e.currentTarget.getAttribute('aria-expanded') === 'false';
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toggleButtonState(state);
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button.dispatchEvent(
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new CustomEvent('toolbar-menu-toggled', {
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bubbles: true,
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detail: {
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state,
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level,
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},
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}),
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);
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});
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// State of submenu button can be changed by CustomEvent.
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button.addEventListener(TOOLBAR_MENU_SET_TOGGLE, (e) => {
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const newState = e.detail.state;
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toggleButtonState(newState);
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});
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});
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},
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};
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/**
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* Initializes menu links.
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*
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* @type {Drupal~behavior}
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*
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* @prop {Drupal~behaviorAttach} attach
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*
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* When current url it adds classes and dispatch event to popover.
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*/
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Drupal.behaviors.navigationProcessToolbarMenuLinks = {
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attach: (context) => {
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once(
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'toolbar-menu-link',
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'a.toolbar-menu__link, a.toolbar-button',
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context,
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).forEach((link) => {
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// What we do if menu link is in current url.
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if (document.URL === link.href) {
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link.classList.add('current', 'is-active');
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link.dispatchEvent(
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new CustomEvent('toolbar-active-url', {
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bubbles: true,
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}),
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);
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// We also want to open all parent menus.
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const menu = link.closest('.toolbar-menu');
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if (menu) {
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menu.previousElementSibling.dispatchEvent(
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new CustomEvent(TOOLBAR_MENU_SET_TOGGLE, {
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detail: {
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state: true,
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},
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}),
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);
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}
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}
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});
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},
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};
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}
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)(Drupal, once);
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