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import * as lpUtils from 'lpAssetsJsPath/utils.js'; |
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|
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/** |
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* LearnPress themes handler. |
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* |
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* @since 4.4.7 |
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* @version 1.0.0 |
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*/ |
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export class LPThemes { |
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/** |
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* Themes container selectors. |
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*/ |
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static selectors = { |
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container: '.learn-press-themes', |
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elListThemes: '.lp-themes-grid', |
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filter: '.lp-themes-filter__item', |
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count: '.lp-themes-filter__count', |
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search: '.lp-themes-search__input', |
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card: '.lp-theme-card', |
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title: '.lp-theme-card__title', |
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description: '.lp-theme-card__description', |
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}; |
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|
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/** |
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* Initialize the themes handler. |
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* |
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* @param {HTMLElement} container Themes container. |
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*/ |
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init( container ) { |
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this.container = container; |
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this.events(); |
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this.countThemes(); |
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} |
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|
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/** |
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* Register theme filter and search events. |
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*/ |
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events() { |
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if ( LPThemes._loadedEvents ) { |
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return; |
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} |
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LPThemes._loadedEvents = true; |
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|
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lpUtils.eventHandlers( 'click', [ |
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{ |
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selector: LPThemes.selectors.filter, |
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callBack: this.filterByCategory.name, |
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class: this, |
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}, |
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] ); |
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|
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lpUtils.eventHandlers( 'input', [ |
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{ |
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selector: LPThemes.selectors.search, |
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callBack: this.filterThemes.name, |
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class: this, |
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}, |
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] ); |
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} |
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|
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/** |
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* Count themes and update each category count. |
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*/ |
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countThemes() { |
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const container = this.container; |
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const cards = container.querySelectorAll( LPThemes.selectors.card ); |
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const counts = { all: cards.length }; |
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|
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cards.forEach( ( card ) => { |
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const key = card.getAttribute( 'data-category' ); |
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counts[ key ] = ( counts[ key ] || 0 ) + 1; |
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} ); |
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|
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container |
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.querySelectorAll( LPThemes.selectors.filter ) |
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.forEach( ( item ) => { |
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const count = item.querySelector( LPThemes.selectors.count ); |
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const text = `(${ |
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counts[ item.getAttribute( 'data-category' ) ] || 0 |
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})`; |
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if ( count && count.textContent !== text ) { |
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count.textContent = text; |
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} |
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} ); |
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} |
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|
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/** |
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* Activate the selected category and filter themes. |
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* |
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* @param {Object} args Event arguments. |
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* @param {Event} args.e Browser event. |
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* @param {Element} args.target Event target. |
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*/ |
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filterByCategory( { e, target } ) { |
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const filter = target.closest( LPThemes.selectors.filter ); |
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const container = filter.closest( LPThemes.selectors.container ); |
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|
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if ( ! container ) { |
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return; |
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} |
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|
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e.preventDefault(); |
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container |
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.querySelectorAll( LPThemes.selectors.filter ) |
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.forEach( ( item ) => { |
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const isActive = item === filter; |
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item.classList.toggle( 'active', isActive ); |
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item.setAttribute( |
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'aria-pressed', |
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isActive ? 'true' : 'false' |
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); |
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} ); |
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|
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this.filterThemes(); |
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} |
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|
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/** |
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* Filter themes by the active category and search terms. |
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*/ |
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filterThemes() { |
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const container = this.container; |
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const search = container.querySelector( LPThemes.selectors.search ); |
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const query = search ? search.value.trim().toLowerCase() : ''; |
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const searchTerms = query.split( /\s+/ ).filter( Boolean ); |
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const active = container.querySelector( |
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`${ LPThemes.selectors.filter }.active` |
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); |
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const category = active |
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? active.getAttribute( 'data-category' ) |
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: 'all'; |
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const cards = container.querySelectorAll( LPThemes.selectors.card ); |
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|
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cards.forEach( ( card ) => { |
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const title = card.querySelector( LPThemes.selectors.title ); |
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const description = card.querySelector( |
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LPThemes.selectors.description |
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); |
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const text = `${ title ? title.textContent : '' } ${ |
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description ? description.textContent : '' |
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}`.toLowerCase(); |
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card.hidden = |
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( 'all' !== category && |
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category !== card.getAttribute( 'data-category' ) ) || |
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! searchTerms.every( ( term ) => text.includes( term ) ); |
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} ); |
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} |
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} |
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|
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const lpThemes = new LPThemes(); |
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lpUtils.lpOnElementReady( LPThemes.selectors.elListThemes, ( elListThemes ) => { |
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const container = elListThemes.closest( LPThemes.selectors.container ); |
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lpThemes.init( container ); |
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} ); |
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|
