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Ripple.js
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Ripple.js
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import { createDirective } from '../utils/private/create.js'
import { css } from '../utils/dom.js'
import { position, stop, addEvt, cleanEvt } from '../utils/event.js'
import { isKeyCode } from '../utils/private/key-composition.js'
import throttle from '../utils/throttle.js'
import getSSRProps from '../utils/private/noop-ssr-directive-transform.js'
function showRipple (evt, el, ctx, forceCenter) {
ctx.modifiers.stop === true && stop(evt)
const color = ctx.modifiers.color
let center = ctx.modifiers.center
center = center === true || forceCenter === true
const
node = document.createElement('span'),
innerNode = document.createElement('span'),
pos = position(evt),
{ left, top, width, height } = el.getBoundingClientRect(),
diameter = Math.sqrt(width * width + height * height),
radius = diameter / 2,
centerX = `${ (width - diameter) / 2 }px`,
x = center ? centerX : `${ pos.left - left - radius }px`,
centerY = `${ (height - diameter) / 2 }px`,
y = center ? centerY : `${ pos.top - top - radius }px`
innerNode.className = 'q-ripple__inner'
css(innerNode, {
height: `${ diameter }px`,
width: `${ diameter }px`,
transform: `translate3d(${ x },${ y },0) scale3d(.2,.2,1)`,
opacity: 0
})
node.className = `q-ripple${ color ? ' text-' + color : '' }`
node.setAttribute('dir', 'ltr')
node.appendChild(innerNode)
el.appendChild(node)
const abort = () => {
node.remove()
clearTimeout(timer)
}
ctx.abort.push(abort)
let timer = setTimeout(() => {
innerNode.classList.add('q-ripple__inner--enter')
innerNode.style.transform = `translate3d(${ centerX },${ centerY },0) scale3d(1,1,1)`
innerNode.style.opacity = 0.2
timer = setTimeout(() => {
innerNode.classList.remove('q-ripple__inner--enter')
innerNode.classList.add('q-ripple__inner--leave')
innerNode.style.opacity = 0
timer = setTimeout(() => {
node.remove()
ctx.abort.splice(ctx.abort.indexOf(abort), 1)
}, 275)
}, 250)
}, 50)
}
function updateModifiers (ctx, { modifiers, value, arg, instance }) {
const cfg = Object.assign({}, instance?.$q?.config?.ripple, modifiers, value)
ctx.modifiers = {
early: cfg.early === true,
stop: cfg.stop === true,
center: cfg.center === true,
color: cfg.color || arg,
keyCodes: [].concat(cfg.keyCodes || 13)
}
}
export default createDirective(__QUASAR_SSR_SERVER__
? { name: 'ripple', getSSRProps }
: {
name: 'ripple',
beforeMount (el, binding) {
const ctx = {
enabled: binding.value !== false,
modifiers: {},
abort: [],
start (evt) {
if (
ctx.enabled === true
&& evt.qSkipRipple !== true
&& (
ctx.modifiers.early === true
? [ 'mousedown', 'touchstart' ].includes(evt.type) === true
: evt.type === 'click'
)
) {
showRipple(evt, el, ctx, evt.qKeyEvent === true)
}
},
keystart: throttle(evt => {
if (
ctx.enabled === true
&& evt.qSkipRipple !== true
&& isKeyCode(evt, ctx.modifiers.keyCodes) === true
&& evt.type === `key${ ctx.modifiers.early === true ? 'down' : 'up' }`
) {
showRipple(evt, el, ctx, true)
}
}, 300)
}
updateModifiers(ctx, binding)
el.__qripple = ctx
addEvt(ctx, 'main', [
[ el, 'mousedown', 'start', 'passive' ],
[ el, 'touchstart', 'start', 'passive' ],
[ el, 'click', 'start', 'passive' ],
[ el, 'keydown', 'keystart', 'passive' ],
[ el, 'keyup', 'keystart', 'passive' ]
])
},
updated (el, binding) {
if (binding.oldValue !== binding.value) {
const ctx = el.__qripple
ctx.enabled = binding.value !== false
if (ctx.enabled === true && Object(binding.value) === binding.value) {
updateModifiers(ctx, binding)
}
}
},
beforeUnmount (el) {
const ctx = el.__qripple
ctx.abort.forEach(fn => { fn() })
cleanEvt(ctx, 'main')
delete el._qripple
}
}
)