From 7fad9e9d424f0bf51bde4ede29eaf03120544be0 Mon Sep 17 00:00:00 2001
From: Jonatan Lledo
 <117984204+jonatan-lledo-netcentric@users.noreply.github.com>
Date: Thu, 15 Feb 2024 18:32:43 +0100
Subject: [PATCH] Accordion column block #114 (#203)

---
 .../v2-accordion-column.css                   | 205 ++++++++++++++++++
 .../v2-accordion-column.js                    |  68 ++++++
 2 files changed, 273 insertions(+)
 create mode 100644 blocks/v2-accordion-column/v2-accordion-column.css
 create mode 100644 blocks/v2-accordion-column/v2-accordion-column.js

diff --git a/blocks/v2-accordion-column/v2-accordion-column.css b/blocks/v2-accordion-column/v2-accordion-column.css
new file mode 100644
index 000000000..578eaabfa
--- /dev/null
+++ b/blocks/v2-accordion-column/v2-accordion-column.css
@@ -0,0 +1,205 @@
+.section > .v2-accordion-column-wrapper.full-width {
+  padding: 0 16px;
+}
+
+.v2-accordion-column__items-container {
+  margin: 40px 0 0;
+}
+
+.v2-accordion-column__header-container h2 {
+  font-family: var(--ff-headline-medium);
+}
+
+.v2-accordion-column__item-header-button {
+  background: transparent;
+  border: 0;
+  color: var(--c-primary-black);
+  display: flex;
+  justify-content: space-between;
+  margin: 0;
+  padding: 0 0 8px;
+  width: 100%;
+}
+
+.v2-accordion-column__item-header-button:hover,
+.v2-accordion-column__item-header-button:focus {
+  background: transparent;
+  cursor: pointer;
+}
+
+.v2-accordion-column__item:not(.active) .v2-accordion-column__item-header-button {
+  padding: 0 0 12px;
+}
+
+.v2-accordion-column__item-title {
+  font-family: var(--ff-subheadings-medium);
+  font-size: var(--headline-4-font-size);
+  letter-spacing: var(--headline-1-letter-spacing);
+  line-height: var(--headline-1-line-height);
+  margin: 0;
+}
+
+.v2-accordion-column__close {
+  transform: rotate(0);
+  transition: transform var(--duration-small) var(--easing-standard);
+}
+
+.v2-accordion-column__item .icon svg {
+  height: 24px;
+  width: 24px;
+}
+
+.v2-accordion-column__item .icon svg,
+.v2-accordion-column__item a .icon svg {
+  display: flex;
+}
+
+.v2-accordion-column__item a .icon svg {
+  height: 16px;
+  width: 16px;
+  stroke: currentcolor;
+}
+
+.v2-accordion-column__item.active .v2-accordion-column__close {
+  transform: rotate(180deg);
+  transition: transform var(--duration-small) var(--easing-standard);
+}
+
+.v2-accordion-column__item :is(
+  .v2-accordion-column__item-image,
+  .v2-accordion-column__item-description){
+  display: none;
+}
+
+.v2-accordion-column__item {
+  margin: 0 0 16px;
+  border-bottom: 1px solid var(--c-secondary-steel);
+}
+
+.v2-accordion-column__item.active {
+  margin: 40px 0;
+  display: flex;
+  flex-direction: column;
+}
+
+.v2-accordion-column__item.active :is(
+  .v2-accordion-column__item-image,
+  .v2-accordion-column__item-description) {
+  display: initial;
+}
+
+.v2-accordion-column__item-description .button-container .button {
+  align-items: stretch;
+  justify-content: flex-start;
+  gap: 4px;
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background-color: transparent;
+  translate: none;
+}
+
+.v2-accordion-column__item-description {
+  padding: 0 0 24px;
+}
+
+.v2-accordion-column__item-description > p {
+  margin: 0;
+  padding: 16px 0 0;
+}
+
+.v2-accordion-column__item-description .button-container:hover .button svg,
+.v2-accordion-column__item-description .button-container:focus-within .button svg{
+  translate: 3px;
+  transition: translate ease-out 0.2s;
+}
+
+.v2-accordion-column__item-image {
+  background-color: var(--c-primary-gray);
+}
+
+.v2-accordion-column__item-image img {
+  aspect-ratio: 16/10;
+  width: 100%;
+  height: auto;
+  display: block;
+}
+
+/* Left variant */
+.v2-accordion-column--left .v2-accordion-column__item-image {
+  order: 1;
+}
+
+.v2-accordion-column--left .v2-accordion-column__item-description {
+  order: 2;
+}
+
+@media (min-width: 1024px) {
+  .section.v2-accordion-column-container {
+    height: 780px;
+  }
+
+  .section > .v2-accordion-column-wrapper.full-width {
+    max-width: 1440px;
+    margin: 0 auto;
+    position: relative;
+  }
+
+  .v2-accordion-column__header-container {
+    max-width: var(--wrapper-width);
+    margin: 0 auto 4em;
+  }
+
+  .v2-accordion-column__header-container h2 {
+    font-size: var(--headline-1-font-size);
+  }
+
+  .v2-accordion-column__accordion-container {
+    display: flex;
+    justify-content: end;
+    max-width: var(--wrapper-width);
+    margin: 0 auto;
+  }
+
+  .v2-accordion-column__items-container {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+    margin: 0;
+  }
+
+  .v2-accordion-column__item {
+    max-width: 343px;
+    width: 100%;
+  }
+
+  .v2-accordion-column__item,
+  .v2-accordion-column__item.active {
+    margin: 0 0 20px;
+  }
+
+  .v2-accordion-column__item-image {
+    position: absolute;
+    left: 0;
+    top: 6em;
+    width: calc(50% + 80px);
+    background-color: var(--c-primary-gray);
+  }
+
+  .v2-accordion-column__item-description > p:not(.button-container) {
+    padding: 0;
+  }
+
+  /* Left variant */
+  .v2-accordion-column--left .v2-accordion-column__accordion-container {
+    justify-content: start;
+  }
+
+  .v2-accordion-column--left .v2-accordion-column__items-container {
+    width: 40%;
+  }
+
+  .v2-accordion-column--left .v2-accordion-column__item-image {
+    left: calc(50% - 80px);
+  }
+}
diff --git a/blocks/v2-accordion-column/v2-accordion-column.js b/blocks/v2-accordion-column/v2-accordion-column.js
new file mode 100644
index 000000000..bb4259115
--- /dev/null
+++ b/blocks/v2-accordion-column/v2-accordion-column.js
@@ -0,0 +1,68 @@
+import { createElement, variantsClassesToBEM } from '../../scripts/common.js';
+
+const CLASSES = {
+  blockName: 'v2-accordion-column',
+  left: 'left',
+};
+
+const { blockName, left } = CLASSES;
+const variants = Object.values(CLASSES).splice(1);
+
+const addAccordionClass = (item) => {
+  const hasPicture = item.querySelector('picture');
+  if (hasPicture) item.classList.add(`${blockName}__item-image`);
+  else {
+    const header = item.querySelector(':is(h1, h2, h3, h4, h5, h6)');
+    if (header) header.classList.add(`${blockName}__item-title`);
+    item.classList.add(`${blockName}__item-description`);
+  }
+};
+
+export default function decorate(block) {
+  const header = block.querySelector(':scope > div:first-child > div > :first-child');
+  const accordionItems = [...block.querySelectorAll(':scope > div:not(:first-child)')];
+  const accordionContainer = createElement('div', { classes: `${blockName}__accordion-container` });
+  const itemsContainer = createElement('div', { classes: `${blockName}__items-container` });
+  const hasLeftClass = block.classList.contains(left); // accordion at left side
+  /** @type {boolean} */
+  const isLeftVariant = hasLeftClass
+    || (!hasLeftClass && !!accordionItems[0].lastElementChild.querySelector('picture'));
+  if (!hasLeftClass && isLeftVariant) block.classList.add(left);
+  variantsClassesToBEM(block.classList, variants, blockName);
+  block.parentElement.classList.add('full-width');
+  header.parentElement.classList.add(`${blockName}__header-wrapper`);
+  header.parentElement.parentElement.classList.add(`${blockName}__header-container`);
+
+  // style the header as an h2 with red marker over it
+  header.classList.add(`${blockName}__header`, 'with-marker');
+
+  // is responsibility of the author to add the proper amount of images and text
+  accordionItems.forEach((item, i) => {
+    const colBtnTitle = createElement('button', {
+      classes: `${blockName}__item-header-button`,
+      props: { type: 'button' },
+    });
+    const arrowEl = createElement('div', { classes: [`${blockName}__close`, 'icon'] });
+    const dropdownArrowIcon = document.createRange().createContextualFragment(`
+      <svg xmlns="http://www.w3.org/2000/svg"><use href="#icons-sprite-dropdown-caret"></use></svg>`);
+    const colItems = [...item.querySelectorAll(':scope > div')];
+
+    // add the proper classes to each accordion item
+    item.classList.add(`${blockName}__item`);
+    if (i === 0) item.classList.add('active');
+    colItems.forEach((col) => addAccordionClass(col));
+    arrowEl.appendChild(...dropdownArrowIcon.children);
+    colBtnTitle.prepend(item.querySelector(`.${blockName}__item-title`), arrowEl);
+    colBtnTitle.onclick = () => {
+      const active = accordionContainer.querySelector('.active');
+      if (active && active !== item) active.classList.remove('active');
+      item.classList.add('active');
+    };
+    item.prepend(colBtnTitle);
+    itemsContainer.appendChild(item);
+  });
+
+  accordionContainer.append(itemsContainer);
+
+  block.appendChild(accordionContainer);
+}