154 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/**
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 *
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 * Toolbar popover.
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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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const POPOVER_OPEN_DELAY = 150;
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const POPOVER_CLOSE_DELAY = 400;
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const POPOVER_NO_CLICK_DELAY = 500;
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((Drupal, once) => {
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  Drupal.behaviors.navigationProcessPopovers = {
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    /**
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     * Attaches the behavior to the context element.
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     *
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     * @param {HTMLElement} context The context element to attach the behavior to.
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     */
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    attach: (context) => {
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      once(
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        'toolbar-popover',
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        context.querySelectorAll('[data-toolbar-popover]'),
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      ).forEach((popover) => {
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        // This is trigger of popover. Currently only first level button.
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        const button = popover.querySelector('[data-toolbar-popover-control]');
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        // This is tooltip content. Currently child menus only.
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        const tooltip = popover.querySelector('[data-toolbar-popover-wrapper]');
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        if (!button || !tooltip) return;
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        const expandPopover = () => {
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          popover.classList.add('toolbar-popover--expanded');
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          button.dataset.drupalNoClick = 'true';
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          tooltip.removeAttribute('inert');
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          setTimeout(() => {
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            delete button.dataset.drupalNoClick;
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          }, POPOVER_NO_CLICK_DELAY);
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        };
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        const collapsePopover = () => {
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          popover.classList.remove('toolbar-popover--expanded');
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          tooltip.setAttribute('inert', true);
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          delete button.dataset.drupalNoClick;
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        };
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        /**
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         * We need to change state of trigger and popover.
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         *
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         * @param {boolean} state The popover state.
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         *
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         * @param {boolean} initialLoad Happens on page loads.
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         */
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        const toggleState = (state, initialLoad = false) => {
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          /* eslint-disable-next-line no-unused-expressions */
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          state && !initialLoad ? expandPopover() : collapsePopover();
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          button.setAttribute('aria-expanded', state && !initialLoad);
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          const text = button.querySelector('[data-toolbar-action]');
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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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          // Dispatch event to sidebar.js
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          popover.dispatchEvent(
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            new CustomEvent('toolbar-popover-toggled', {
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              bubbles: true,
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              detail: {
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                state,
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              },
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            }),
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          );
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        };
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        const isPopoverHoverOrFocus = () =>
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          popover.contains(document.activeElement) || popover.matches(':hover');
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        const delayedClose = () => {
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          setTimeout(() => {
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            if (isPopoverHoverOrFocus()) return;
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            // eslint-disable-next-line no-use-before-define
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            close();
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          }, POPOVER_CLOSE_DELAY);
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        };
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        const open = () => {
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          ['mouseleave', 'focusout'].forEach((e) => {
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            button.addEventListener(e, delayedClose, false);
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            tooltip.addEventListener(e, delayedClose, false);
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          });
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        };
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        const close = () => {
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          toggleState(false);
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          ['mouseleave', 'focusout'].forEach((e) => {
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            button.removeEventListener(e, delayedClose);
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            tooltip.removeEventListener(e, delayedClose);
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          });
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        };
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        button.addEventListener('mouseover', () => {
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          // This is not needed because no hover on mobile.
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          // @todo test is after.
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          if (window.matchMedia('(max-width: 1023px)').matches) {
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            return;
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          }
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          setTimeout(() => {
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            // If it is accident hover ignore it.
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            // If in this timeout popover already opened by click.
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            if (
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              !button.matches(':hover') ||
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              !button.getAttribute('aria-expanded') === 'false'
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            ) {
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              return;
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            }
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            toggleState(true);
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            open();
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          }, POPOVER_OPEN_DELAY);
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        });
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        button.addEventListener('click', (e) => {
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          const state =
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            e.currentTarget.getAttribute('aria-expanded') === 'false';
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          if (!e.currentTarget.dataset.drupalNoClick) {
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            toggleState(state);
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          }
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        });
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        // Listens events from sidebar.js.
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        popover.addEventListener('toolbar-popover-close', () => {
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          close();
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        });
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        // TODO: Add toggle with state.
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        popover.addEventListener('toolbar-popover-open', () => {
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          toggleState(true);
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        });
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        // Listens events from toolbar-menu.js
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        popover.addEventListener('toolbar-active-url', () => {
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          toggleState(true, true);
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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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