/* globals svgEditor */
import { t } from '../locale.js';
const template = document.createElement('template');
// eslint-disable-next-line no-unsanitized/property
template.innerHTML = `
<style>
:host(:hover) :not(.disabled)
{
background-color: var(--icon-bg-color-hover);
}
div
{
height: 24px;
width: 24px;
margin: 4px 1px 4px;
padding: 3px;
background-color: var(--icon-bg-color);
cursor: pointer;
border-radius: 3px;
}
.small {
width: 14px;
height: 14px;
padding: 1px;
border-radius: 1px;
}
img {
border: none;
width: 100%;
height: 100%;
}
.pressed {
background-color: var(--icon-bg-color-hover);
}
.disabled {
opacity: 0.3;
cursor: default;
}
</style>
<div title="title">
<img alt="icon">
</div>
`;
/**
* @class ToolButton
*/
export class ToolButton extends HTMLElement {
/**
* @function constructor
*/
constructor () {
super();
// create the shadowDom and insert the template
this._shadowRoot = this.attachShadow({ mode: 'open' });
this._shadowRoot.append(template.content.cloneNode(true));
// locate the component
this.$div = this._shadowRoot.querySelector('div');
this.$img = this._shadowRoot.querySelector('img');
this.imgPath = svgEditor.configObj.curConfig.imgPath;
}
/**
* @function observedAttributes
* @returns {any} observed
*/
static get observedAttributes () {
return [ 'title', 'src', 'pressed', 'disabled', 'size', 'style' ];
}
/**
* @function attributeChangedCallback
* @param {string} name
* @param {string} oldValue
* @param {string} newValue
* @returns {void}
*/
attributeChangedCallback (name, oldValue, newValue) {
if (oldValue === newValue) return;
switch (name) {
case 'title':
{
const shortcut = this.getAttribute('shortcut');
this.$div.setAttribute('title', `${t(newValue)} ${shortcut ? `[${t(shortcut)}]` : ''}`);
}
break;
case 'style':
this.$div.style = newValue;
break;
case 'src':
if (newValue.indexOf("data:") !== -1) {
this.$img.setAttribute('src', newValue);
} else {
this.$img.setAttribute('src', this.imgPath + "/" + newValue);
}
break;
case 'pressed':
if (newValue === null) {
this.$div.classList.remove('pressed');
} else {
this.$div.classList.add('pressed');
}
break;
case 'size':
if (newValue === 'small') {
this.$div.classList.add('small');
} else {
this.$div.classList.remove('small');
}
break;
case 'disabled':
if (newValue) {
this.$div.classList.add('disabled');
} else {
this.$div.classList.remove('disabled');
}
break;
default:
// eslint-disable-next-line no-console
console.error(`unknown attribute: ${name}`);
break;
}
}
/**
* @function get
* @returns {any}
*/
get title () {
return this.getAttribute('title');
}
/**
* @function set
* @returns {void}
*/
set title (value) {
this.setAttribute('title', value);
}
/**
* @function get
* @returns {any}
*/
get pressed () {
return this.hasAttribute('pressed');
}
/**
* @function set
* @returns {void}
*/
set pressed (value) {
// boolean value => existence = true
if (value) {
this.setAttribute('pressed', 'true');
} else {
this.removeAttribute('pressed');
}
}
/**
* @function get
* @returns {any}
*/
get disabled () {
return this.hasAttribute('disabled');
}
/**
* @function set
* @returns {void}
*/
set disabled (value) {
// boolean value => existence = true
if (value) {
this.setAttribute('disabled', 'true');
} else {
this.removeAttribute('disabled');
}
}
/**
* @function get
* @returns {any}
*/
get src () {
return this.getAttribute('src');
}
/**
* @function set
* @returns {void}
*/
set src (value) {
this.setAttribute('src', value);
}
/**
* @function get
* @returns {any}
*/
get size () {
return this.getAttribute('size');
}
/**
* @function set
* @returns {void}
*/
set size (value) {
this.setAttribute('size', value);
}
/**
* @function connectedCallback
* @returns {void}
*/
connectedCallback () {
// capture shortcuts
const shortcut = this.getAttribute('shortcut');
if (shortcut) {
// register the keydown event
document.addEventListener('keydown', (e) => {
// only track keyboard shortcuts for the body containing the SVG-Editor
if (e.target.nodeName !== 'BODY') return;
// normalize key
const key = `${(e.metaKey) ? 'meta+' : ''}${(e.ctrlKey) ? 'ctrl+' : ''}${e.key.toUpperCase()}`;
if (shortcut !== key) return;
// launch the click event
this.click();
e.preventDefault();
});
}
}
}
// Register
customElements.define('se-button', ToolButton);