standard-ui/components/dist/input.js
2023-10-01 05:38:47 +05:30

610 lines
22 KiB
JavaScript

const smInput = document.createElement('template')
smInput.innerHTML = `
<style>
*{
padding: 0;
margin: 0;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration { display: none; }
input[type=number] {
-moz-appearance:textfield;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
margin: 0;
}
input::-ms-reveal,
input::-ms-clear {
display: none;
}
input:invalid{
outline: none;
box-shadow: none;
}
::-moz-focus-inner{
border: none;
}
:host{
display: flex;
--success-color: #00C853;
--danger-color: red;
--width: 100%;
--icon-gap: 0.5rem;
--min-height: 3.2rem;
--background: rgba(var(--text-color, (17,17,17)), 0.06);
}
.hidden{
display: none !important;
}
button{
display: flex;
border: none;
background: none;
padding: 0;
border-radius: 1rem;
min-width: 0;
cursor: pointer;
}
button:focus{
outline: var(--accent-color, teal) solid medium;
}
.icon {
height: 1.2rem;
width: 1.2rem;
fill: rgba(var(--text-color, (17,17,17)), 0.6);
}
:host(.round) .input{
border-radius: 10rem;
}
.outer-container{
position: relative;
width: var(--width);
}
.input {
display: flex;
cursor: text;
min-width: 0;
text-align: left;
align-items: center;
position: relative;
gap: var(--icon-gap);
padding: var(--padding, 0.6rem 0.8rem);
border-radius: var(--border-radius,0.3rem);
transition: opacity 0.3s, box-shadow 0.2s;
background: var(--background);
width: 100%;
outline: none;
min-height: var(--min-height);
overflow: hidden;
}
.input.readonly .clear{
opacity: 0 !important;
margin-right: -2rem;
pointer-events: none !important;
}
.readonly{
pointer-events: none;
}
.input:focus-within:not(.readonly){
box-shadow: 0 0 0 0.1rem var(--accent-color,teal) inset !important;
}
.disabled{
pointer-events: none;
opacity: 0.6;
}
.label {
grid-area: 1/1/2/2;
font-size: inherit;
opacity: .7;
font-weight: 400;
transition: transform 0.3s;
transform-origin: left;
pointer-events: none;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 100%;
user-select: none;
will-change: transform;
}
.container{
width: 100%;
display: grid;
grid-template-columns: 1fr auto;
position: relative;
align-items: center;
}
input{
grid-area: 1/1/2/2;
font-size: inherit;
border: none;
background: transparent;
outline: none;
color: inherit;
font-family: inherit;
height: 300%;
width: 100%;
caret-color: var(--accent-color, teal);
font-weight: inherit;
}
.animate-placeholder .container input {
transform: translateY(0.6rem);
}
.animate-placeholder .label {
transform: translateY(-0.7em) scale(0.8);
opacity: 1;
color: var(--accent-color,teal)
}
:host([variant="outlined"]) .input {
box-shadow: 0 0 0 1px var(--border-color, rgba(var(--text-color, (17,17,17)), 0.3)) inset;
background: rgba(var(--background-color, (255,255,255)), 1);
}
.animate-placeholder:focus-within:not(.readonly) .label{
color: var(--accent-color,teal)
}
.feedback-text:not(:empty){
position: absolute;
display: flex;
width: fit-content;
text-align: left;
font-size: 0.9rem;
align-items: center;
padding: 0.8rem;
border-radius: var(--border-radius,0.5rem);
color: rgba(var(--text-color, (17,17,17)), 0.8);
background: rgba(var(--foreground-color, (255,255,255)), 1);
margin-top: 0.5rem;
box-shadow: 0 0.5rem 1rem rgba(var(--text-color, (17,17,17)), 0.1);
z-index: 10;
isolation: isolate;
}
.feedback-text:not(:empty)::before{
content: '';
height: 0;
width: 0;
position: absolute;
border: 0.5rem solid transparent;
border-bottom-color: rgba(var(--foreground-color, (255,255,255)), 1);
top: -1rem;
left: 1rem;
}
.success{
color: var(--success-color);
}
.error{
color: var(--danger-color);
}
.status-icon{
margin-right: 0.5rem;
flex-shrink: 0;
}
.status-icon--error{
fill: var(--danger-color);
}
.status-icon--success{
fill: var(--success-color);
}
.datalist{
position: absolute;
top: 100%;
left: 0;
width: 100%;
z-index: 100;
background: rgba(var(--foreground-color, (255,255,255)), 1);
border-radius: 0 0 var(--border-radius,0.5rem) var(--border-radius,0.5rem);
box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
max-height: 20rem;
overflow-y: auto;
overflow-x: hidden;
padding: 0.3rem;
}
.datalist-item{
padding: 0.8rem 1rem;
cursor: pointer;
transition: background 0.2s;
border-radius: 0.5rem;
content-visibility: auto;
}
.datalist-item:focus{
outline: none;
}
.datalist-item:focus-visible{
outline: var(--accent-color, teal) solid medium;
}
@media (any-hover: hover){
.icon:hover{
background: rgba(var(--text-color, (17,17,17)), 0.1);
}
.datalist-item:hover{
background: rgba(var(--text-color, (17,17,17)), 0.06);
}
}
</style>
<div class="outer-container">
<div part="input-wrapper" class="input">
<slot name="icon"></slot>
<div class="container">
<label part="placeholder" class="label"></label>
<input part="input" type="text"/>
</div>
<button class="clear hidden" title="Clear" tabindex="-1">
<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="M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm0-11.414L9.172 7.757 7.757 9.172 10.586 12l-2.829 2.828 1.415 1.415L12 13.414l2.828 2.829 1.415-1.415L13.414 12l2.829-2.828-1.415-1.415L12 10.586z"/></svg>
</button>
<slot name="right"></slot>
</div>
<ul class="datalist hidden" part="datalist"></ul>
<p class="feedback-text" part="feedback"></p>
</div>
`;
customElements.define('sm-input',
class extends HTMLElement {
#validationState = {
validatedFor: undefined,
isValid: false
}
constructor() {
super();
this.attachShadow({
mode: 'open'
}).append(smInput.content.cloneNode(true));
this.inputParent = this.shadowRoot.querySelector('.input');
this.input = this.shadowRoot.querySelector('input');
this.clearBtn = this.shadowRoot.querySelector('.clear');
this.label = this.shadowRoot.querySelector('.label');
this.feedbackText = this.shadowRoot.querySelector('.feedback-text');
this.outerContainer = this.shadowRoot.querySelector('.outer-container');
this.optionList = this.shadowRoot.querySelector('.datalist');
this._helperText = '';
this._errorText = 'Please fill out this field.';
this.isRequired = false;
this.datalist = [];
this.validationFunction = undefined;
this.reflectedAttributes = ['value', 'required', 'disabled', 'type', 'inputmode', 'readonly', 'min', 'max', 'pattern', 'minlength', 'maxlength', 'step', 'list', 'autocomplete'];
}
static get observedAttributes() {
return ['value', 'placeholder', 'required', 'disabled', 'type', 'inputmode', 'readonly', 'min', 'max', 'pattern', 'minlength', 'maxlength', 'step', 'helper-text', 'error-text', 'list'];
}
get value() {
return this.input.value;
}
set value(val) {
if (val === this.input.value) return;
this.input.value = val;
this._value = val;
this.checkInput();
}
get placeholder() {
return this.getAttribute('placeholder');
}
set placeholder(val) {
this.setAttribute('placeholder', val);
}
get type() {
return this.getAttribute('type');
}
set type(val) {
this.setAttribute('type', val);
}
get validity() {
return this.input.validity;
}
get disabled() {
return this.hasAttribute('disabled');
}
set disabled(value) {
if (value) {
this.inputParent.classList.add('disabled');
this.setAttribute('disabled', '');
} else {
this.inputParent.classList.remove('disabled');
this.removeAttribute('disabled');
}
}
get readOnly() {
return this.hasAttribute('readonly');
}
set readOnly(value) {
if (value) {
this.setAttribute('readonly', '');
} else {
this.removeAttribute('readonly');
}
}
set customValidation(val) {
if (val)
this.validationFunction = val;
}
set errorText(val) {
this._errorText = val;
}
showError = (errorText = this._errorText) => {
this.feedbackText.className = 'feedback-text error';
this.feedbackText.innerHTML = `
<svg class="status-icon status-icon--error" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="none" d="M0 0h24v24H0z"/><path d="M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-1-7v2h2v-2h-2zm0-8v6h2V7h-2z"/></svg>
${errorText}`;
}
set helperText(val) {
this._helperText = val;
}
get isValid() {
if (this.input.value === '') return;
if (this.#validationState.validatedFor === this.input.value)
return this.#validationState.isValid; // if the input is empty or the value is not changed, return the previous validity
const _isValid = this.input.checkValidity();
let _validity = { isValid: true, errorText: '' }
if (this.validationFunction) {
_validity = this.validationFunction(this.input.value);
}
if (_isValid && _validity.isValid) {
this.feedbackText.className = 'feedback-text success';
this.feedbackText.textContent = '';
} else {
if (_validity.errorText || this._errorText) {
this.showError(_validity.errorText || this._errorText);
}
}
this.#validationState.validatedFor = this.input.value;
this.#validationState.isValid = _isValid && _validity.isValid;
return this.#validationState.isValid;
}
reset = () => {
this.value = '';
}
clear = () => {
this.value = '';
this.input.focus();
this.fireEvent();
}
focusIn = () => {
this.input.focus();
}
focusOut = () => {
this.input.blur();
}
fireEvent = () => {
let event = new Event('input', {
bubbles: true,
cancelable: true,
composed: true
});
this.dispatchEvent(event);
}
searchDatalist = (searchKey) => {
const filteredData = this.datalist.filter(item => item.toLowerCase().includes(searchKey.toLowerCase()));
// sort the filtered data based on the input value
filteredData.sort((a, b) => {
const aIndex = a.toLowerCase().indexOf(searchKey.toLowerCase());
const bIndex = b.toLowerCase().indexOf(searchKey.toLowerCase());
return aIndex - bIndex;
});
if (filteredData.length) {
if (this.optionList.children.length > filteredData.length) {
// remove extra options
const optionsToRemove = this.optionList.children.length - filteredData.length;
for (let i = 0; i < optionsToRemove; i++) {
this.optionList.removeChild(this.optionList.lastChild);
}
}
filteredData.forEach((item, index) => {
if (this.optionList.children[index]) {
this.optionList.children[index].textContent = item;
} else {
const option = document.createElement('li');
option.textContent = item;
option.classList.add('datalist-item');
option.setAttribute('tabindex', '0');
this.optionList.appendChild(option);
}
})
this.optionList.classList.remove('hidden');
} else {
this.optionList.classList.add('hidden');
}
}
checkInput = (e) => {
if (!this.hasAttribute('readonly')) {
if (this.input.value !== '') {
this.clearBtn.classList.remove('hidden');
} else {
this.clearBtn.classList.add('hidden');
}
}
if (!this.hasAttribute('placeholder') || this.getAttribute('placeholder').trim() === '') return;
if (this.input.value !== '') {
if (this.shouldAnimateLabel)
this.inputParent.classList.add('animate-placeholder');
this.label.classList.toggle('hidden', !this.shouldAnimateLabel);
if (this.datalist.length) {
// debounce the search
if (this.searchTimeout) {
clearTimeout(this.searchTimeout);
}
this.searchTimeout = setTimeout(() => {
this.searchDatalist(this.input.value.trim());
}, 100);
}
} else {
if (this.shouldAnimateLabel)
this.inputParent.classList.remove('animate-placeholder');
this.label.classList.remove('hidden');
this.feedbackText.textContent = '';
if (this.datalist.length) {
this.optionList.innerHTML = '';
this.optionList.classList.add('hidden');
}
}
}
allowOnlyNum = (e) => {
if (e.key.length === 1) {
if (e.key === '.' && (e.target.value.includes('.') || e.target.value.length === 0)) {
e.preventDefault();
} else if (!['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.'].includes(e.key)) {
e.preventDefault();
}
}
}
handleOptionClick = (e) => {
this.input.value = e.target.textContent;
this.optionList.classList.add('hidden');
this.input.focus();
}
// handle arrow key navigation on input
handleInputNavigation = (e) => {
if (e.key === 'ArrowDown') {
e.preventDefault();
if (this.optionList.children.length) {
this.optionList.children[0].focus();
}
} else if (e.key === 'ArrowUp') {
e.preventDefault();
if (this.optionList.children.length) {
this.optionList.children[this.optionList.children.length - 1].focus();
}
}
}
// handle arrow key navigation on datalist
handleDatalistNavigation = (e) => {
if (e.key === 'ArrowUp') {
e.preventDefault();
this.shadowRoot.activeElement.previousElementSibling ? this.shadowRoot.activeElement.previousElementSibling.focus() : this.input.focus();
} else if (e.key === 'ArrowDown') {
e.preventDefault();
this.shadowRoot.activeElement.nextElementSibling ? this.shadowRoot.activeElement.nextElementSibling.focus() : this.input.focus();
} else if (e.key === 'Enter' || e.key === ' ') {
e.preventDefault();
this.input.value = e.target.textContent;
this.optionList.classList.add('hidden');
this.input.focus();
}
}
handleFocus = (e) => {
if (this.datalist.length) {
this.searchDatalist(this.input.value.trim());
}
}
handleBlur = (e) => {
if (this.datalist.length) {
this.optionList.classList.add('hidden');
}
}
connectedCallback() {
const uuid = crypto.randomUUID()
this.input.id = uuid;
this.label.htmlFor = uuid
this.shouldAnimateLabel = this.hasAttribute('animate');
if (this.shouldAnimateLabel && this.placeholder !== '' && this.value) {
this.inputParent.classList.add('animate-placeholder');
this.label.classList.remove('hidden');
}
this.setAttribute('role', 'textbox');
this.input.addEventListener('input', this.checkInput);
this.clearBtn.addEventListener('click', this.clear);
if (this.datalist.length) {
this.optionList.addEventListener('click', this.handleOptionClick);
this.input.addEventListener('keydown', this.handleInputNavigation);
this.optionList.addEventListener('keydown', this.handleDatalistNavigation);
}
this.input.addEventListener('focusin', this.handleFocus);
this.addEventListener('focusout', this.handleBlur);
}
attributeChangedCallback(name, oldValue, newValue) {
if (oldValue !== newValue) {
if (this.reflectedAttributes.includes(name)) {
if (this.hasAttribute(name)) {
this.input.setAttribute(name, this.getAttribute(name) ? this.getAttribute(name) : '');
} else {
this.input.removeAttribute(name);
}
}
switch (name) {
case 'placeholder':
this.label.textContent = newValue;
this.setAttribute('aria-label', newValue);
break;
case 'value':
this.checkInput();
break;
case 'type':
if (this.hasAttribute('type') && this.getAttribute('type') === 'number') {
this.input.setAttribute('inputmode', 'decimal');
this.input.addEventListener('keydown', this.allowOnlyNum);
} else {
this.input.removeEventListener('keydown', this.allowOnlyNum);
}
break;
case 'helper-text':
this._helperText = newValue;
break;
case 'error-text':
this._errorText = newValue;
break;
case 'required':
this.isRequired = this.hasAttribute('required');
if (this.isRequired) {
this.setAttribute('aria-required', 'true');
} else {
this.setAttribute('aria-required', 'false');
}
break;
case 'readonly':
if (this.hasAttribute('readonly')) {
this.inputParent.classList.add('readonly');
} else {
this.inputParent.classList.remove('readonly');
}
break;
case 'disabled':
if (this.hasAttribute('disabled')) {
this.inputParent.classList.add('disabled');
}
else {
this.inputParent.classList.remove('disabled');
}
break;
case 'list':
if (this.hasAttribute('list') && this.getAttribute('list').trim() !== '') {
this.datalist = this.getAttribute('list').split(',');
}
break;
}
}
}
disconnectedCallback() {
this.input.removeEventListener('input', this.checkInput);
this.clearBtn.removeEventListener('click', this.clear);
this.input.removeEventListener('keydown', this.allowOnlyNum);
this.optionList.removeEventListener('click', this.handleOptionClick);
this.input.removeEventListener('keydown', this.handleInputNavigation);
this.optionList.removeEventListener('keydown', this.handleDatalistNavigation);
this.input.removeEventListener('focusin', this.handleFocus);
this.removeEventListener('focusout', this.handleBlur);
}
})