351 lines
11 KiB
JavaScript
351 lines
11 KiB
JavaScript
const stripSelect = document.createElement('template')
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stripSelect.innerHTML = `
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<style>
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*{
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padding: 0;
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margin: 0;
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-webkit-box-sizing: border-box;
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box-sizing: border-box;
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}
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:host{
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--accent-color: #4d2588;
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--text-color: 17, 17, 17;
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--background-color: 255, 255, 255;
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--gap: 0.5rem;
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padding: 1rem 0;
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}
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.hide{
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display: none !important;
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}
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input[type="radio"]{
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display: none;
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}
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.scrolling-container{
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position: relative;
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display: flex;
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align-items: center;
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}
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.strip-select{
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position: relative;
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}
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:host([multiline]) .strip-select{
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display: flex;
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flex-wrap: wrap;
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gap: 0.5rem;
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overflow: auto hidden;
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}
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:host(:not([multiline])) .strip-select{
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display: grid;
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grid-auto-flow: column;
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gap: var(--gap);
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max-width: 100%;
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align-items: center;
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overflow: auto hidden;
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}
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.nav-button{
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display: flex;
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top: 50%;
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z-index: 2;
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border: none;
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padding: 0.3rem;
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cursor: pointer;
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position: absolute;
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align-items: center;
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background: rgba(var(--background-color), 1);
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transform: translateY(-50%);
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}
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.nav-button--right{
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right: 0;
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}
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.cover{
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position: absolute;
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z-index: 1;
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width: 5rem;
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height: 100%;
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pointer-events: none;
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}
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.nav-button--right::before{
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background-color: red;
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}
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.icon{
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height: 1.5rem;
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width: 1.5rem;
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fill: rgba(var(--text-color), .8);
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}
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@media (hover: none){
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.nav-button{
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display: none;
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}
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.strip-select{
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overflow: auto hidden;
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}
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.cover{
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width: 2rem;
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}
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.cover--left{
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background: linear-gradient(90deg, rgba(var(--background-color), 1), transparent);
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}
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.cover--right{
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right: 0;
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background: linear-gradient(90deg, transparent, rgba(var(--background-color), 1));
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}
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}
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@media (hover: hover){
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::-webkit-scrollbar-track {
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background-color: transparent !important;
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}
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::-webkit-scrollbar {
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height: 0;
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background-color: transparent;
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}
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.strip-select{
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overflow: hidden;
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}
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.cover--left{
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background: linear-gradient(90deg, rgba(var(--background-color), 1) 60%, transparent);
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}
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.cover--right{
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right: 0;
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background: linear-gradient(90deg, transparent 0%, rgba(var(--background-color), 1) 40%);
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}
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}
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</style>
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<section class="scrolling-container">
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<div class="cover cover--left hide"></div>
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<button class="nav-button nav-button--left hide">
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<svg class="icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="none" d="M0 0h24v24H0z"/><path d="M10.828 12l4.95 4.95-1.414 1.414L8 12l6.364-6.364 1.414 1.414z"/></svg>
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</button>
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<section class="strip-select">
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<slot></slot>
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</section>
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<button class="nav-button nav-button--right hide">
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<svg class="icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="none" d="M0 0h24v24H0z"/><path d="M13.172 12l-4.95-4.95 1.414-1.414L16 12l-6.364 6.364-1.414-1.414z"/></svg>
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</button>
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<div class="cover cover--right hide"></div>
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</section>
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`
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customElements.define('strip-select', class extends HTMLElement {
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constructor() {
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super()
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this.attachShadow({
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mode: 'open'
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}).append(stripSelect.content.cloneNode(true))
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this.stripSelect = this.shadowRoot.querySelector('.strip-select')
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this.slottedOptions
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this._value
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this.scrollDistance
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this.scrollLeft = this.scrollLeft.bind(this)
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this.scrollRight = this.scrollRight.bind(this)
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this.fireEvent = this.fireEvent.bind(this)
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}
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get value() {
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return this._value
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}
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scrollLeft() {
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this.stripSelect.scrollBy({
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left: -this.scrollDistance,
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behavior: 'smooth'
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})
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}
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scrollRight() {
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this.stripSelect.scrollBy({
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left: this.scrollDistance,
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behavior: 'smooth'
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})
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}
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fireEvent() {
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this.dispatchEvent(
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new CustomEvent("change", {
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bubbles: true,
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composed: true,
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detail: {
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value: this._value
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}
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})
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)
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}
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connectedCallback() {
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this.setAttribute('role', 'listbox')
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const slot = this.shadowRoot.querySelector('slot')
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const coverLeft = this.shadowRoot.querySelector('.cover--left')
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const coverRight = this.shadowRoot.querySelector('.cover--right')
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const navButtonLeft = this.shadowRoot.querySelector('.nav-button--left')
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const navButtonRight = this.shadowRoot.querySelector('.nav-button--right')
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slot.addEventListener('slotchange', e => {
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const assignedElements = slot.assignedElements()
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assignedElements.forEach(elem => {
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if (elem.hasAttribute('selected')) {
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elem.setAttribute('active', '')
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this._value = elem.value
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}
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})
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if (!this.hasAttribute('multiline')) {
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if (assignedElements.length > 0) {
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firstOptionObserver.observe(slot.assignedElements()[0])
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lastOptionObserver.observe(slot.assignedElements()[slot.assignedElements().length - 1])
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}
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else {
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navButtonLeft.classList.add('hide')
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navButtonRight.classList.add('hide')
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coverLeft.classList.add('hide')
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coverRight.classList.add('hide')
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firstOptionObserver.disconnect()
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lastOptionObserver.disconnect()
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}
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}
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})
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const resObs = new ResizeObserver(entries => {
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entries.forEach(entry => {
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if (entry.contentBoxSize) {
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// Firefox implements `contentBoxSize` as a single content rect, rather than an array
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const contentBoxSize = Array.isArray(entry.contentBoxSize) ? entry.contentBoxSize[0] : entry.contentBoxSize;
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this.scrollDistance = contentBoxSize.inlineSize * 0.6
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} else {
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this.scrollDistance = entry.contentRect.width * 0.6
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}
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})
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})
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resObs.observe(this)
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this.stripSelect.addEventListener('option-clicked', e => {
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if (this._value !== e.target.value) {
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this._value = e.target.value
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slot.assignedElements().forEach(elem => elem.removeAttribute('active'))
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e.target.setAttribute('active', '')
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e.target.scrollIntoView({ behavior: "smooth", block: "nearest", inline: "center" })
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this.fireEvent()
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}
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})
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const firstOptionObserver = new IntersectionObserver(entries => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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navButtonLeft.classList.add('hide')
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coverLeft.classList.add('hide')
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}
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else {
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navButtonLeft.classList.remove('hide')
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coverLeft.classList.remove('hide')
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}
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})
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},
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{
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threshold: 0.9,
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root: this
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})
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const lastOptionObserver = new IntersectionObserver(entries => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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navButtonRight.classList.add('hide')
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coverRight.classList.add('hide')
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}
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else {
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navButtonRight.classList.remove('hide')
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coverRight.classList.remove('hide')
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}
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})
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},
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{
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threshold: 0.9,
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root: this
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})
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navButtonLeft.addEventListener('click', this.scrollLeft)
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navButtonRight.addEventListener('click', this.scrollRight)
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}
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disconnectedCallback() {
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navButtonLeft.removeEventListener('click', this.scrollLeft)
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navButtonRight.removeEventListener('click', this.scrollRight)
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}
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})
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//Strip option
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const stripOption = document.createElement('template')
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stripOption.innerHTML = `
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<style>
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*{
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padding: 0;
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margin: 0;
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-webkit-box-sizing: border-box;
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box-sizing: border-box;
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}
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:host{
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--border-radius: 2rem;
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--background-color: inherit;
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--active-option-color: inherit;
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--active-option-backgroud-color: rgba(var(--text-color), .2);
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}
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.strip-option{
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display: flex;
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flex-shrink: 0;
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cursor: pointer;
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white-space: nowrap;
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padding: 0.5rem 0.8rem;
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transition: background 0.3s;
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border-radius: var(--border-radius);
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box-shadow: 0 0 0 1px rgba(var(--text-color), .2) inset;
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-webkit-tap-highlight-color: transparent;
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}
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:host([active]) .strip-option{
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color: var(--active-option-color);
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background-color: var(--active-option-backgroud-color);
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}
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:host(:focus-within){
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outline: none;
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}
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:host(:focus-within) .strip-option{
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box-shadow: 0 0 0 0.1rem var(--accent-color) inset;
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}
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:host(:hover:not([active])) .strip-option{
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background-color: rgba(var(--text-color), 0.06);
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}
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</style>
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<label class="strip-option">
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<slot></slot>
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</label>
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`
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customElements.define('strip-option', class extends HTMLElement {
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constructor() {
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super()
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this.attachShadow({
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mode: 'open'
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}).append(stripOption.content.cloneNode(true))
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this._value
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this.radioButton = this.shadowRoot.querySelector('input')
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this.fireEvent = this.fireEvent.bind(this)
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this.handleKeyDown = this.handleKeyDown.bind(this)
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}
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get value() {
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return this._value
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}
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fireEvent() {
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this.dispatchEvent(
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new CustomEvent("option-clicked", {
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bubbles: true,
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composed: true,
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detail: {
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value: this._value
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}
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})
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)
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}
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handleKeyDown(e) {
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if (e.key === 'Enter' || e.key === 'Space') {
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this.fireEvent()
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}
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}
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connectedCallback() {
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this.setAttribute('role', 'option')
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this.setAttribute('tabindex', '0')
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this._value = this.getAttribute('value')
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this.addEventListener('click', this.fireEvent)
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this.addEventListener('keydown', this.handleKeyDown)
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}
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disconnectedCallback() {
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this.removeEventListener('click', this.fireEvent)
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this.removeEventListener('keydown', this.handleKeyDown)
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}
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}) |