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Follow: * #23574 * Remove all ".tooltip[data-content=...]" Major changes: * Remove "tooltip" class, use "[data-tooltip-content=...]" instead of ".tooltip[data-content=...]" * Remove legacy `data-position`, it's dead code since last Fomantic Tooltip -> Tippy Tooltip refactoring * Rename reaction attribute from `data-content` to `data-reaction-content` * Add comments for some `data-content`: `{{/* used by the form */}}` * Remove empty "ui" class * Use "text color" for SVG icons (a few)
129 lines
4.5 KiB
JavaScript
129 lines
4.5 KiB
JavaScript
import tippy from 'tippy.js';
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export function createTippy(target, opts = {}) {
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const instance = tippy(target, {
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appendTo: document.body,
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animation: false,
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allowHTML: false,
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hideOnClick: false,
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interactiveBorder: 30,
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ignoreAttributes: true,
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maxWidth: 500, // increase over default 350px
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arrow: `<svg width="16" height="7"><path d="m0 7 8-7 8 7Z" class="tippy-svg-arrow-outer"/><path d="m0 8 8-7 8 7Z" class="tippy-svg-arrow-inner"/></svg>`,
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...(opts?.role && {theme: opts.role}),
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...opts,
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});
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// for popups where content refers to a DOM element, we use the 'tippy-target' class
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// to initially hide the content, now we can remove it as the content has been removed
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// from the DOM by tippy
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if (opts.content instanceof Element) {
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opts.content.classList.remove('tippy-target');
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}
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return instance;
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}
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/**
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* Attach a tooltip tippy to the given target element.
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* If the target element already has a tooltip tippy attached, the tooltip will be updated with the new content.
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* If the target element has no content, then no tooltip will be attached, and it returns null.
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*
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* Note: "tooltip" doesn't equal to "tippy". "tooltip" means a auto-popup content, it just uses tippy as the implementation.
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*
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* @param target {HTMLElement}
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* @param content {null|string}
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* @returns {null|tippy}
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*/
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function attachTooltip(target, content = null) {
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content = content ?? target.getAttribute('data-tooltip-content');
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if (!content) return null;
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const props = {
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content,
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delay: 100,
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role: 'tooltip',
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placement: target.getAttribute('data-tooltip-placement') || 'top-start',
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...(target.getAttribute('data-tooltip-interactive') === 'true' ? {interactive: true, aria: {content: 'describedby', expanded: false}} : {}),
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};
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if (!target._tippy) {
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createTippy(target, props);
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} else {
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target._tippy.setProps(props);
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}
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return target._tippy;
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}
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/**
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* Creating tooltip tippy instance is expensive, so we only create it when the user hovers over the element
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* According to https://www.w3.org/TR/DOM-Level-3-Events/#events-mouseevent-event-order , mouseover event is fired before mouseenter event
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* Some old browsers like Pale Moon doesn't support "mouseenter(capture)"
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* The tippy by default uses "mouseenter" event to show, so we use "mouseover" event to switch to tippy
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* @param e {Event}
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*/
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function lazyTooltipOnMouseHover(e) {
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e.target.removeEventListener('mouseover', lazyTooltipOnMouseHover, true);
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attachTooltip(this);
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}
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/**
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* Activate the tooltip for all children elements
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* And if the element has no aria-label, use the tooltip content as aria-label
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* @param target {HTMLElement}
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*/
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function attachChildrenLazyTooltip(target) {
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for (const el of target.querySelectorAll('[data-tooltip-content]')) {
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el.addEventListener('mouseover', lazyTooltipOnMouseHover, true);
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// meanwhile, if the element has no aria-label, use the tooltip content as aria-label
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if (!el.hasAttribute('aria-label')) {
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const content = target.getAttribute('data-tooltip-content');
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if (content) {
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el.setAttribute('aria-label', content);
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}
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}
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}
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}
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export function initGlobalTooltips() {
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// use MutationObserver to detect new elements added to the DOM, or attributes changed
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const observer = new MutationObserver((mutationList) => {
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for (const mutation of mutationList) {
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if (mutation.type === 'childList') {
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// mainly for Vue components and AJAX rendered elements
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for (const el of mutation.addedNodes) {
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// handle all "tooltip" elements in added nodes which have 'querySelectorAll' method, skip non-related nodes (eg: "#text")
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if ('querySelectorAll' in el) {
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attachChildrenLazyTooltip(el);
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}
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}
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} else if (mutation.type === 'attributes') {
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// sync the tooltip content if the attributes change
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attachTooltip(mutation.target);
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}
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}
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});
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observer.observe(document, {
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subtree: true,
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childList: true,
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attributeFilter: ['data-tooltip-content'],
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});
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attachChildrenLazyTooltip(document.documentElement);
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}
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export function showTemporaryTooltip(target, content) {
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const tippy = target._tippy ?? attachTooltip(target, content);
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tippy.setContent(content);
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if (!tippy.state.isShown) tippy.show();
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tippy.setProps({
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onHidden: (tippy) => {
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// reset the default tooltip content, if no default, then this temporary tooltip could be destroyed
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if (!attachTooltip(target)) {
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tippy.destroy();
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}
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},
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});
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}
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