Files
svgedit/src/editor/components/seList.js

100 lines
2.2 KiB
JavaScript

/* eslint-disable node/no-unpublished-import */
import 'elix/define/DropdownList.js';
const template = document.createElement('template');
template.innerHTML = `
<style>
[part~="source"] {
grid-template-columns: 20px 1fr auto;
}
::slotted(*) {
background: #E8E8E8;
border: 1px solid #B0B0B0;
}
::part(popup-toggle) {
display: none;
}
</style>
<label>Label</label>
<elix-dropdown-list>
<slot></slot>
</elix-dropdown-list>
`;
/**
* @class SeList
*/
export class SeList extends HTMLElement {
/**
* @function constructor
*/
constructor () {
super();
// create the shadowDom and insert the template
this._shadowRoot = this.attachShadow({mode: 'open'});
this._shadowRoot.appendChild(template.content.cloneNode(true));
this.$dropdown = this._shadowRoot.querySelector('elix-dropdown-list');
this.$label = this._shadowRoot.querySelector('label');
}
/**
* @function observedAttributes
* @returns {any} observed
*/
static get observedAttributes () {
return ['label'];
}
/**
* @function attributeChangedCallback
* @param {string} name
* @param {string} oldValue
* @param {string} newValue
* @returns {void}
*/
attributeChangedCallback (name, oldValue, newValue) {
if (oldValue === newValue) return;
switch (name) {
case 'label':
this.$label.textContent = newValue;
break;
default:
// eslint-disable-next-line no-console
console.error(`unknown attribute: ${name}`);
break;
}
}
/**
* @function get
* @returns {any}
*/
get label () {
return this.getAttribute('label');
}
/**
* @function set
* @returns {void}
*/
set label (value) {
this.setAttribute('label', value);
}
/**
* @function connectedCallback
* @returns {void}
*/
connectedCallback () {
const currentObj = this;
this.$dropdown.addEventListener('selectedindexchange', (e) => {
e.preventDefault();
if (e?.detail?.selectedIndex !== undefined) {
const value = this.$dropdown.selectedItem.getAttribute('value');
const closeEvent = new CustomEvent('change', {detail: {value}});
currentObj.dispatchEvent(closeEvent);
}
});
}
}
// Register
customElements.define('se-list', SeList);