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<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
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<!DOCTYPE html><html class=''>
<head><script src='//production-assets.codepen.io/assets/editor/live/console_runner-079c09a0e3b9ff743e39ee2d5637b9216b3545af0de366d4b9aad9dc87e26bfd.js'></script><script src='//production-assets.codepen.io/assets/editor/live/events_runner-73716630c22bbc8cff4bd0f07b135f00a0bdc5d14629260c3ec49e5606f98fdd.js'></script><script src='//production-assets.codepen.io/assets/editor/live/css_live_reload_init-2c0dc5167d60a5af3ee189d570b1835129687ea2a61bee3513dee3a50c115a77.js'></script><meta charset='UTF-8'><meta name="robots" content="noindex"><link rel="shortcut icon" type="image/x-icon" href="//production-assets.codepen.io/assets/favicon/favicon-8ea04875e70c4b0bb41da869e81236e54394d63638a1ef12fa558a4a835f1164.ico" /><link rel="mask-icon" type="" href="//production-assets.codepen.io/assets/favicon/logo-pin-f2d2b6d2c61838f7e76325261b7195c27224080bc099486ddd6dccb469b8e8e6.svg" color="#111" /><link rel="canonical" href="https://codepen.io/DasBo/pen/RpwOmp?limit=all&page=38&q=image" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel='stylesheet prefetch' href='https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css'><link rel='stylesheet prefetch' href='https://cdnjs.cloudflare.com/ajax/libs/foundation/6.3.0/css/foundation.min.css'><link rel='stylesheet prefetch' href='//cdn.materialdesignicons.com/1.8.36/css/materialdesignicons.min.css'>
<style class="cp-pen-styles">@import url(https://fonts.googleapis.com/icon?family=Material+Icons);
@import url("https://fonts.googleapis.com/css?family=Raleway");
body {
font-family: "Raleway", sans-serif;
height: 100vh;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
-webkit-box-orient: vertical;
-webkit-box-direction: normal;
-ms-flex-direction: column;
flex-direction: column;
background-color: #eff5f6;
}
.wrapper {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: horizontal;
-webkit-box-direction: normal;
-ms-flex-direction: row;
flex-direction: row;
-ms-flex-wrap: wrap;
flex-wrap: wrap;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
}
h1 {
font-family: inherit;
margin: 0 0 .75em 0;
color: #728c8d;
text-align: center;
}
.box {
display: block;
min-width: 300px;
height: 300px;
margin: 10px;
background-color: white;
border-radius: 5px;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
-webkit-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
overflow: hidden;
}
.upload-options {
position: relative;
height: 75px;
background-color: cadetblue;
cursor: pointer;
overflow: hidden;
text-align: center;
-webkit-transition: background-color ease-in-out 150ms;
transition: background-color ease-in-out 150ms;
}
.upload-options:hover {
background-color: #7fb1b3;
}
.upload-options input {
width: 0.1px;
height: 0.1px;
opacity: 0;
overflow: hidden;
position: absolute;
z-index: -1;
}
.upload-options label {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
width: 100%;
height: 100%;
font-weight: 400;
text-overflow: ellipsis;
white-space: nowrap;
cursor: pointer;
overflow: hidden;
}
.upload-options label::after {
content: 'add';
font-family: 'Material Icons';
position: absolute;
font-size: 2.5rem;
color: #e6e6e6;
top: calc(50% - 2.5rem);
left: calc(50% - 1.25rem);
z-index: 0;
}
.upload-options label span {
display: inline-block;
width: 50%;
height: 100%;
text-overflow: ellipsis;
white-space: nowrap;
overflow: hidden;
vertical-align: middle;
text-align: center;
}
.upload-options label span:hover i.material-icons {
color: lightgray;
}
.js--image-preview {
height: 225px;
width: 100%;
position: relative;
overflow: hidden;
background-image: url("");
background-color: white;
background-position: center center;
background-repeat: no-repeat;
background-size: cover;
}
.js--image-preview::after {
content: "photo_size_select_actual";
font-family: 'Material Icons';
position: relative;
font-size: 4.5em;
color: #e6e6e6;
top: calc(50% - 3rem);
left: calc(50% - 2.25rem);
z-index: 0;
}
.js--image-preview.js--no-default::after {
display: none;
}
i.material-icons {
-webkit-transition: color 100ms ease-in-out;
transition: color 100ms ease-in-out;
font-size: 2.25em;
line-height: 55px;
color: white;
display: block;
}
.drop {
display: block;
position: absolute;
background: rgba(95, 158, 160, 0.2);
border-radius: 100%;
-webkit-transform: scale(0);
transform: scale(0);
}
.animate {
-webkit-animation: ripple 0.4s linear;
animation: ripple 0.4s linear;
}
@-webkit-keyframes ripple {
100% {
opacity: 0;
-webkit-transform: scale(2.5);
transform: scale(2.5);
}
}
@keyframes ripple {
100% {
opacity: 0;
-webkit-transform: scale(2.5);
transform: scale(2.5);
}
}
</style></head><body>
<h1>Image-upload with preview</h1>
<div class="wrapper">
<div class="box">
<div class="js--image-preview"></div>
<div class="upload-options">
<label>
<input type="file" class="image-upload" accept="image/*" />
</label>
</div>
</div>
<div class="box">
<div class="js--image-preview"></div>
<div class="upload-options">
<label>
<input type="file" class="image-upload" accept="image/*" />
</label>
</div>
</div>
<div class="box">
<div class="js--image-preview"></div>
<div class="upload-options">
<label>
<input type="file" class="image-upload" accept="image/*" />
</label>
</div>
</div>
</div>
<script src='//production-assets.codepen.io/assets/common/stopExecutionOnTimeout-b2a7b3fe212eaa732349046d8416e00a9dec26eb7fd347590fbced3ab38af52e.js'></script>
<script >function initImageUpload(box) {
let uploadField = box.querySelector('.image-upload');
uploadField.addEventListener('change', getFile);
function getFile(e){
let file = e.currentTarget.files[0];
checkType(file);
}
function previewImage(file){
let thumb = box.querySelector('.js--image-preview'),
reader = new FileReader();
reader.onload = function() {
thumb.style.backgroundImage = 'url(' + reader.result + ')';
}
reader.readAsDataURL(file);
thumb.className += ' js--no-default';
}
function checkType(file){
let imageType = /image.*/;
if (!file.type.match(imageType)) {
throw 'Datei ist kein Bild';
} else if (!file){
throw 'Kein Bild gewählt';
} else {
previewImage(file);
}
}
}
// initialize box-scope
var boxes = document.querySelectorAll('.box');
for(let i = 0; i < boxes.length; i++) {if (window.CP.shouldStopExecution(1)){break;}
let box = boxes[i];
initDropEffect(box);
initImageUpload(box);
}
window.CP.exitedLoop(1);
/// drop-effect
function initDropEffect(box){
let area, drop, areaWidth, areaHeight, maxDistance, dropWidth, dropHeight, x, y;
// get clickable area for drop effect
area = box.querySelector('.js--image-preview');
area.addEventListener('click', fireRipple);
function fireRipple(e){
area = e.currentTarget
// create drop
if(!drop){
drop = document.createElement('span');
drop.className = 'drop';
this.appendChild(drop);
}
// reset animate class
drop.className = 'drop';
// calculate dimensions of area (longest side)
areaWidth = getComputedStyle(this, null).getPropertyValue("width");
areaHeight = getComputedStyle(this, null).getPropertyValue("height");
maxDistance = Math.max(parseInt(areaWidth, 10), parseInt(areaHeight, 10));
// set drop dimensions to fill area
drop.style.width = maxDistance + 'px';
drop.style.height = maxDistance + 'px';
// calculate dimensions of drop
dropWidth = getComputedStyle(this, null).getPropertyValue("width");
dropHeight = getComputedStyle(this, null).getPropertyValue("height");
// calculate relative coordinates of click
// logic: click coordinates relative to page - parent's position relative to page - half of self height/width to make it controllable from the center
x = e.pageX - this.offsetLeft - (parseInt(dropWidth, 10)/2);
y = e.pageY - this.offsetTop - (parseInt(dropHeight, 10)/2) - 30;
// position drop and animate
drop.style.top = y + 'px';
drop.style.left = x + 'px';
drop.className += ' animate';
e.stopPropagation();
}
}
//# sourceURL=pen.js
</script>
</body></html>
