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Powerful SVG-Editor for your browser
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<h1 class="page-title">Source: components/seFlyingButton.js</h1>
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<pre class="prettyprint source linenums"><code>/* globals svgEditor */
import { t } from '../locale.js'
/**
* @class FlyingButton
*/
export class FlyingButton extends HTMLElement {
/**
* @function constructor
*/
constructor () {
super()
// create the shadowDom and insert the template
this.imgPath = svgEditor.configObj.curConfig.imgPath
this.template = this.createTemplate(this.imgPath)
this._shadowRoot = this.attachShadow({ mode: 'open' })
this._shadowRoot.append(this.template.content.cloneNode(true))
// locate the component
this.$button = this._shadowRoot.querySelector('.menu-button')
this.$handle = this._shadowRoot.querySelector('.handle')
this.$overall = this._shadowRoot.querySelector('.overall')
this.$img = this._shadowRoot.querySelector('img')
this.$menu = this._shadowRoot.querySelector('.menu')
// the last element of the div is the slot
// we retrieve all elements added in the slot (i.e. se-buttons)
this.$elements = this.$menu.lastElementChild.assignedElements()
// Closes opened menu on click
document.addEventListener('click', e => {
if (this.opened) {
this.opened = false
}
})
}
/**
* @function createTemplate
* @param {string} imgPath
* @returns {any} template
*/
createTemplate (imgPath) {
const template = document.createElement('template')
template.innerHTML = `
<style>
:host {
position:relative;
}
@keyframes btnHover {
from {
background-color: transparent;
}
to {
background-color: var(--icon-bg-color-hover);
}
}
.overall .menu-button:hover {
animation: btnHover 0.2s forwards;
}
img {
border: none;
width: 24px;
height: 24px;
}
.overall.pressed .button-icon,
.overall.pressed .handle {
background-color: var(--icon-bg-color-hover) !important;
}
.overall.pressed .menu-button {
background-color: var(--icon-bg-color-hover) !important;
}
.disabled {
opacity: 0.3;
cursor: default;
}
.menu-button {
height: 24px;
width: 24px;
margin: 2px 1px 4px;
padding: 3px;
background-color: var(--icon-bg-color);
cursor: pointer;
position: relative;
border-radius: 3px;
overflow: hidden;
}
.handle {
height: 8px;
width: 8px;
background-image: url(${imgPath}/handle.svg);
position:absolute;
bottom: 0px;
right: 0px;
}
.button-icon {
}
.menu {
position: fixed;
background: none !important;
display:none;
margin-left: 34px;
}
.open {
display: flex;
}
.menu-item {
align-content: flex-start;
height: 24px;
width: 24px;
top:0px;
left:0px;
}
.overall {
background: none !important;
}
</style>
<div class="overall">
<div class="menu">
<slot></slot>
</div>
<div class="menu-button">
<img class="button-icon" src="logo.svg" alt="icon">
<div class="handle"></div>
</div>
</div>`
return template
}
/**
* @function observedAttributes
* @returns {any} observed
*/
static get observedAttributes () {
return ['title', 'pressed', 'disabled', 'opened']
}
/**
* @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.$button.setAttribute('title', `${t(newValue)} ${shortcut ? `[${t(shortcut)}]` : ''}`)
}
break
case 'pressed':
if (newValue) {
this.$overall.classList.add('pressed')
} else {
this.$overall.classList.remove('pressed')
}
break
case 'opened':
if (newValue) {
this.$menu.classList.add('open')
} else {
this.$menu.classList.remove('open')
}
break
case 'disabled':
if (newValue) {
this.$overall.classList.add('disabled')
} else {
this.$overall.classList.remove('disabled')
}
break
default:
console.error(`unknown attribute: ${name}`)
break
}
}
/**
* @function get
* @returns {any}
*/
get title () {
return this.getAttribute('title')
}
/**
* @function set
* @returns {void}
*/
set title (value) {
this.setAttribute('title', value)
}
/**
* @function get
* @returns {any}
*/
get pressed () {
return this.hasAttribute('pressed')
}
/**
* @function set
* @returns {void}
*/
set pressed (value) {
// boolean value => existence = true
if (value) {
this.setAttribute('pressed', 'true')
} else {
this.removeAttribute('pressed', '')
// close also the menu if open
this.removeAttribute('opened')
}
}
/**
* @function get
* @returns {any}
*/
get opened () {
return this.hasAttribute('opened')
}
/**
* @function set
* @returns {void}
*/
set opened (value) {
// boolean value => existence = true
if (value) {
this.setAttribute('opened', 'opened')
} else {
this.removeAttribute('opened')
}
}
/**
* @function get
* @returns {any}
*/
get disabled () {
return this.hasAttribute('disabled')
}
/**
* @function set
* @returns {void}
*/
set disabled (value) {
// boolean value => existence = true
if (value) {
this.setAttribute('disabled', 'true')
} else {
this.removeAttribute('disabled', '')
}
}
/**
* @function connectedCallback
* @returns {void}
*/
connectedCallback () {
this.activeSlot = this.shadowRoot.querySelector('slot').assignedElements()[0]
this.$img.setAttribute('src', this.imgPath + '/' + this.activeSlot.getAttribute('src'))
// capture click event on the button to manage the logic
const onClickHandler = (ev) => {
ev.stopPropagation()
switch (ev.target.nodeName) {
case 'SE-FLYINGBUTTON':
if (this.pressed) {
this.setAttribute('opened', 'opened')
} else {
// launch current action
this.activeSlot.click()
this.setAttribute('pressed', 'pressed')
}
break
case 'SE-BUTTON':
// change to the current action
this.$img.setAttribute('src', this.imgPath + '/' + ev.target.getAttribute('src'))
this.activeSlot = ev.target
this.setAttribute('pressed', 'pressed')
// and close the menu
this.$menu.classList.remove('open')
break
case 'DIV':
// this is a click on the handle so let's open/close the menu.
if (this.opened) {
this.removeAttribute('opened')
} else {
this.setAttribute('opened', 'opened')
// In case menu scroll on top or bottom position based popup position set
const rect = this.getBoundingClientRect()
this.$menu.style.top = rect.top + 'px'
}
break
default:
console.error('unkonw nodeName for:', ev.target, ev.target.className)
}
}
// capture event from slots
svgEditor.$click(this, onClickHandler)
svgEditor.$click(this.$handle, onClickHandler)
}
}
// Register
customElements.define('se-flyingbutton', FlyingButton)
</code></pre>
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