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<h1 class="page-title">Source: components/sePalette.js</h1>
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<pre class="prettyprint source linenums"><code>/* globals svgEditor */
/* eslint-disable max-len */
const palette = [
// Todo: Make into configuration item?
'none',
'#000000',
'#3f3f3f',
'#7f7f7f',
'#bfbfbf',
'#ffffff',
'#ff0000',
'#ff7f00',
'#ffff00',
'#7fff00',
'#00ff00',
'#00ff7f',
'#00ffff',
'#007fff',
'#0000ff',
'#7f00ff',
'#ff00ff',
'#ff007f',
'#7f0000',
'#7f3f00',
'#7f7f00',
'#3f7f00',
'#007f00',
'#007f3f',
'#007f7f',
'#003f7f',
'#00007f',
'#3f007f',
'#7f007f',
'#7f003f',
'#ffaaaa',
'#ffd4aa',
'#ffffaa',
'#d4ffaa',
'#aaffaa',
'#aaffd4',
'#aaffff',
'#aad4ff',
'#aaaaff',
'#d4aaff',
'#ffaaff',
'#ffaad4'
]
const template = document.createElement('template')
template.innerHTML = `
<style>
.square {
height: 15px;
width: 15px;
float: left;
}
#palette_holder {
overflow: hidden;
padding: 4px;
background: #f0f0f0;
border-radius: 3px;
z-index: 2;
}
#js-se-palette {
float: left;
min-width: 30px;
height: 15px;
overflow: hidden;
}
div.palette_item {
height: 15px;
width: 15px;
float: left;
}
div.palette_item:first-child {
background: white;
}
.palette_expand_btn {
background: none;
border: none;
width: 14px;
height: 14px;
font-size: 12px;
cursor: pointer;
user-select:none;
}
#palette_popup {
padding: 4px;
margin-left: 24px;
background: white;
min-width: 180px;
max-width: 360px;
min-height: 14px;
flex-wrap: wrap;
border-radius: 4px;
position: absolute;
bottom: 36px;
right: 30px;
}
</style>
<div id="palette_holder" title="">
<div id="js-se-palette">
</div>
</div>
<button class="palette_expand_btn" title="Show whole palette">▼</button>
<!-- hidden div -->
<div id="palette_popup" style="display:none"/>
`
/**
* @class SEPalette
*/
export class SEPalette 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))
this.$strip = this._shadowRoot.querySelector('#js-se-palette')
this.expand_btn = this._shadowRoot.querySelector(
'button.palette_expand_btn'
)
this.popUp = this._shadowRoot.getElementById('palette_popup')
svgEditor.$click(this.expand_btn, (e) => {
e.stopPropagation()
const { display } = this.popUp.style
if (display === 'none') {
this.showPopUp()
} else {
this.hidePopUp()
}
})
svgEditor.svgCanvas.container.addEventListener('click', () =>
this.hidePopUp()
)
palette.forEach((rgb) => {
const newDiv = document.createElement('div')
newDiv.classList.add('square')
if (rgb === 'none') {
const img = document.createElement('img')
img.src =
'data:image/svg+xml;charset=utf-8;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMjQgMjQiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgd2lkdGg9IjI0IiBoZWlnaHQ9IjI0IiB4bWxuczp4bGluaz0iaHR0cDovL3d3dy53My5vcmcvMTk5OS94bGluayIgY2xhc3M9InN2Z19pY29uIj48c3ZnIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCI+CiAgICA8bGluZSBmaWxsPSJub25lIiBzdHJva2U9IiNkNDAwMDAiIGlkPSJzdmdfOTAiIHkyPSIyNCIgeDI9IjI0IiB5MT0iMCIgeDE9IjAiLz4KICAgIDxsaW5lIGlkPSJzdmdfOTIiIGZpbGw9Im5vbmUiIHN0cm9rZT0iI2Q0MDAwMCIgeTI9IjI0IiB4Mj0iMCIgeTE9IjAiIHgxPSIyNCIvPgogIDwvc3ZnPjwvc3ZnPg=='
img.style.width = '15px'
img.style.height = '15px'
img.alt = 'No color'
newDiv.append(img)
} else {
newDiv.style.backgroundColor = rgb
}
newDiv.dataset.rgb = rgb
const clickCb = (evt) => {
evt.preventDefault()
// shift key or right click for stroke
const picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill'
let color = newDiv.dataset.rgb
// Webkit-based browsers returned 'initial' here for no stroke
if (
color === 'none' ||
color === 'transparent' ||
color === 'initial'
) {
color = 'none'
}
const paletteEvent = new CustomEvent('change', {
detail: { picker, color },
bubbles: false
})
this.dispatchEvent(paletteEvent)
}
svgEditor.$click(newDiv, clickCb)
this.$strip.append(newDiv)
const divDialog = newDiv.cloneNode(true)
svgEditor.$click(divDialog, clickCb)
this.popUp.append(divDialog)
})
}
/**
* @function init
* @param {any} name
* @returns {void}
*/
init (i18next) {
this.setAttribute('ui-palette_info', i18next.t('ui.palette_info'))
}
/**
* @function observedAttributes
* @returns {any} observed
*/
static get observedAttributes () {
return ['ui-palette_info']
}
/**
* @function attributeChangedCallback
* @param {string} name
* @param {string} oldValue
* @param {string} newValue
* @returns {void}
*/
attributeChangedCallback (name, oldValue, newValue) {
let node
if (name === 'ui-palette_info') {
node = this._shadowRoot.querySelector('#palette_holder')
node.setAttribute('title', newValue)
}
}
/**
* @function connectedCallback
* @returns {void}
*/
connectedCallback () {}
/**
* Shows popUp window with the whole palette
*/
showPopUp () {
this.popUp.style.display = 'flex'
this.expand_btn.textContent = '▲'
this.expand_btn.setAttribute('title', 'Hide palette window')
}
hidePopUp () {
this.popUp.style.display = 'none'
this.expand_btn.textContent = '▼'
this.expand_btn.setAttribute('title', 'Show palette window')
}
}
// Register
customElements.define('se-palette', SEPalette)
</code></pre>
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