Created
November 9, 2016 23:46
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Custom input number
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.ctrl | |
.ctrl__button.ctrl__button--decrement – | |
.ctrl__counter | |
%input.ctrl__counter-input{type: "text", value: "0", maxlength: "10"} | |
.ctrl__counter-num 0 | |
.ctrl__button.ctrl__button--increment + |
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(function() { | |
'use strict'; | |
function ctrls() { | |
var _this = this; | |
this.counter = 0; | |
this.els = { | |
decrement: document.querySelector('.ctrl__button--decrement'), | |
counter: { | |
container: document.querySelector('.ctrl__counter'), | |
num: document.querySelector('.ctrl__counter-num'), | |
input: document.querySelector('.ctrl__counter-input') | |
}, | |
increment: document.querySelector('.ctrl__button--increment') | |
}; | |
this.decrement = function() { | |
var counter = _this.getCounter(); | |
var nextCounter = (_this.counter > 0) ? --counter : counter; | |
_this.setCounter(nextCounter); | |
}; | |
this.increment = function() { | |
var counter = _this.getCounter(); | |
var nextCounter = (counter < 9999999999) ? ++counter : counter; | |
_this.setCounter(nextCounter); | |
}; | |
this.getCounter = function() { | |
return _this.counter; | |
}; | |
this.setCounter = function(nextCounter) { | |
_this.counter = nextCounter; | |
}; | |
this.debounce = function(callback) { | |
setTimeout(callback, 100); | |
}; | |
this.render = function(hideClassName, visibleClassName) { | |
_this.els.counter.num.classList.add(hideClassName); | |
setTimeout(function() { | |
_this.els.counter.num.innerText = _this.getCounter(); | |
_this.els.counter.input.value = _this.getCounter(); | |
_this.els.counter.num.classList.add(visibleClassName); | |
}, 100); | |
setTimeout(function() { | |
_this.els.counter.num.classList.remove(hideClassName); | |
_this.els.counter.num.classList.remove(visibleClassName); | |
}, 200); | |
}; | |
this.ready = function() { | |
_this.els.decrement.addEventListener('click', function() { | |
_this.debounce(function() { | |
_this.decrement(); | |
_this.render('is-decrement-hide', 'is-decrement-visible'); | |
}); | |
}); | |
_this.els.increment.addEventListener('click', function() { | |
_this.debounce(function() { | |
_this.increment(); | |
_this.render('is-increment-hide', 'is-increment-visible'); | |
}); | |
}); | |
_this.els.counter.input.addEventListener('input', function(e) { | |
var parseValue = parseInt(e.target.value); | |
if (!isNaN(parseValue) && parseValue >= 0) { | |
_this.setCounter(parseValue); | |
_this.render(); | |
} | |
}); | |
_this.els.counter.input.addEventListener('focus', function(e) { | |
_this.els.counter.container.classList.add('is-input'); | |
}); | |
_this.els.counter.input.addEventListener('blur', function(e) { | |
_this.els.counter.container.classList.remove('is-input'); | |
_this.render(); | |
}); | |
}; | |
}; | |
// init | |
var controls = new ctrls(); | |
document.addEventListener('DOMContentLoaded', controls.ready); | |
})(); |
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* | |
user-select: none | |
box-sizing: border-box | |
html, | |
body | |
height: 100% | |
body | |
display: flex | |
align-items: center | |
justify-content: center | |
background-color: #EDF1F6 | |
appearance: none !important | |
backface-visibility: hidden | |
-webkit-font-smoothing: antialiased | |
-moz-font-smoothing: antialiased | |
-moz-osx-font-smoothing: grayscale | |
-webkit-overflow-scrolling: touch | |
text-rendering: optimizelegibility | |
.ctrl | |
flex: 0 0 auto | |
display: flex | |
align-items: center | |
border-bottom: 1px solid #D5DCE6 | |
background-color: #fff | |
border-radius: 5px | |
font-size: 30px | |
&__counter | |
position: relative | |
width: 200px | |
height: 100px | |
color: #333C48 | |
text-align: center | |
overflow: hidden | |
&.is-input | |
.ctrl__counter-num | |
visability: hidden | |
opacity: 0 | |
transition: opacity 100ms ease-in | |
.ctrl__counter-input | |
visability: visible | |
opacity: 1 | |
transition: opacity 100ms ease-in | |
&-input | |
width: 100% | |
margin: 0 | |
padding: 0 | |
position: relative | |
z-index: 2 | |
box-shadow: none | |
outline: none | |
border: none | |
color: #333C48 | |
font-size: 30px | |
line-height: 100px | |
text-align: center | |
visability: hidden | |
opacity: 0 | |
transition: opacity 100ms ease-in | |
&-num | |
position: absolute | |
z-index: 1 | |
top: 0 | |
left: 0 | |
right: 0 | |
bottom: 0 | |
line-height: 100px | |
visability: visible | |
opacity: 1 | |
transition: opacity 100ms ease-in | |
&.is-increment-hide | |
opacity: 0 | |
transform: translateY(-50px) | |
animation: increment-prev 100ms ease-in | |
&.is-increment-visible | |
opacity: 1 | |
transform: translateY(0) | |
animation: increment-next 100ms ease-out | |
&.is-decrement-hide | |
opacity: 0 | |
transform: translateY(50px) | |
animation: decrement-prev 100ms ease-in | |
&.is-decrement-visible | |
opacity: 1 | |
transform: translateY(0) | |
animation: decrement-next 100ms ease-out | |
&__button | |
width: 100px | |
line-height: 100px | |
text-align: center | |
color: #fff | |
cursor: pointer | |
background-color: #8498a7 | |
transition: background-color 100ms ease-in | |
&:hover | |
background-color: mix(#8498a7, #fff, 90%) | |
transition: background-color 100ms ease-in | |
&:active | |
background-color: mix(#8498a7, #000, 90%) | |
transition: background-color 100ms ease-in | |
&--decrement | |
border-radius: 5px 0 0 5px | |
&--increment | |
border-radius: 0 5px 5px 0 | |
// keyframes | |
@keyframes decrement-prev | |
from | |
opacity: 1 | |
transform: translateY(0) | |
@keyframes decrement-next | |
from | |
opacity: 0 | |
transform: translateY(-50px) | |
@keyframes increment-prev | |
from | |
opacity: 1 | |
transform: translateY(0) | |
@keyframes increment-next | |
from | |
opacity: 0 | |
transform: translateY(50px) |
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