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Created June 5, 2013 04:10
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A CodePen by Hakim El Hattab. Ladda - A UI concept which merges loading indicators into the action that invoked them.
Raw
index.html
<article class="examples">
<div class="intro">
<h1>Ladda</h1>
<p>
A UI concept which merges loading indicators into the action that invoked them. Primarily intended for use with forms where
it gives users immediate feedback upon submit rather than leaving them wondering while the browser does its thing. For a
real-world example, check out any of the forms on <a href="http://slid.es">slid.es</a>.
</p>
</div>
<section>
<h3>expand-left</h3>
<button class="ladda-button green expand-left"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>expand-right</h3>
<button class="ladda-button green expand-right"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>expand-up</h3>
<button class="ladda-button green expand-up"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>expand-down</h3>
<button class="ladda-button green expand-down"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>contract</h3>
<button class="ladda-button orange contract"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>contract-overlay</h3>
<button class="ladda-button orange contract-overlay" style="z-index: 10;"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>zoom-in</h3>
<button class="ladda-button orange zoom-in"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>zoom-out</h3>
<button class="ladda-button orange zoom-out"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>slide-left</h3>
<button class="ladda-button blue slide-left"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>slide-right</h3>
<button class="ladda-button blue slide-right"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>slide-up</h3>
<button class="ladda-button blue slide-up"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<section>
<h3>slide-down</h3>
<button class="ladda-button blue slide-down"><span class="label">Submit</span> <span class="spinner"></span></button>
</section>
<small class="outro">by <a href="http://hakim.se">Hakim El Hattab</a> / <a href="http://twitter.com/hakimel">@hakimel</a></small>
</article>
Raw
script.js
var buttons = document.querySelectorAll( '.ladda-button' );
Array.prototype.slice.call( buttons ).forEach( function( button ) {
var resetTimeout;
button.addEventListener( 'click', function() {
if( typeof button.getAttribute( 'data-loading' ) === 'string' ) {
button.removeAttribute( 'data-loading' );
}
else {
button.setAttribute( 'data-loading', '' );
}
clearTimeout( resetTimeout );
resetTimeout = setTimeout( function() {
button.removeAttribute( 'data-loading' );
}, 2000 );
}, false );
} );
Raw
style.css
body {
background: #f5f5f5;
font-family: monospace;
font-size: 14px;
color: #333333;
}
.examples {
max-width: 670px;
margin: 2em auto;
padding: 4em;
background: #fff;
text-align: center
}
.examples .intro {
margin-bottom: 3em;
line-height: 1.4em;
font-size: 16px;
text-align: left;
}
.examples .intro h1 {
margin-top: 0;
font-size: 18px;
}
.examples .outro {
display: block;
text-align: right;
margin-top: 3em;
}
.examples section {
display: inline-block;
width: 24%;
min-width: 160px;
margin-bottom: 2em;
text-align: center;
vertical-align: top;
}
.examples section h3 {
color: #bbb;
font-weight: normal;
}
/*************************************
* BUTTON BASE
*/
.ladda-button {
position: relative;
background: none;
border: 0;
padding: 0.8em 1em;
font-size: 1.3em;
cursor: pointer;
-webkit-appearance: none;
-webkit-font-smoothing: antialiased;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.ladda-button[data-loading] {
cursor: default;
}
/* Green button */
.ladda-button.green {
background: #2aca76;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.green:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #2fe688;
}
.ladda-button.green[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Blue button */
.ladda-button.blue {
background: #53b5e6;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.blue:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #58c2f8;
}
.ladda-button.blue[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Orange button */
.ladda-button.orange {
background: #ea8557;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.orange:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #ffa96c;
}
.ladda-button.orange[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Spinner animation */
.ladda-button .spinner {
position: absolute;
width: 32px;
height: 32px;
top: 50%;
margin-top: -16px;
opacity: 0;
background-image: url( data:image/gif;base64,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);
}
/*************************************
* EASING
*/
.ladda-button,
.ladda-button .spinner,
.ladda-button .label {
-webkit-transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
-moz-transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
-ms-transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
}
.ladda-button.zoom-in,
.ladda-button.zoom-in .spinner,
.ladda-button.zoom-in .label,
.ladda-button.zoom-out,
.ladda-button.zoom-out .spinner,
.ladda-button.zoom-out .label {
-webkit-transition: 0.3s ease all;
-moz-transition: 0.3s ease all;
-ms-transition: 0.3s ease all;
transition: 0.3s ease all;
}
/*************************************
* EXPAND LEFT
*/
.ladda-button.expand-right .spinner {
right: 0.8em;
}
.ladda-button.expand-right[data-loading] {
padding-right: 56px;
}
.ladda-button.expand-right[data-loading] .spinner {
opacity: 1;
}
/*************************************
* EXPAND RIGHT
*/
.ladda-button.expand-left .spinner {
left: 0.8em;
}
.ladda-button.expand-left[data-loading] {
padding-left: 56px;
}
.ladda-button.expand-left[data-loading] .spinner {
opacity: 1;
}
/*************************************
* EXPAND UP
*/
.ladda-button.expand-up {
overflow: hidden;
}
.ladda-button.expand-up .spinner {
top: -32px;
left: 50%;
margin-left: -16px;
}
.ladda-button.expand-up[data-loading] {
padding-top: 3em;
}
.ladda-button.expand-up[data-loading] .spinner {
opacity: 1;
top: 0.8em;
margin-top: 0;
}
/*************************************
* EXPAND DOWN
*/
.ladda-button.expand-down {
overflow: hidden;
}
.ladda-button.expand-down .spinner {
top: 3.3em;
left: 50%;
margin-left: -16px;
}
.ladda-button.expand-down[data-loading] {
padding-bottom: 3em;
}
.ladda-button.expand-down[data-loading] .spinner {
opacity: 1;
}
/*************************************
* SLIDE LEFT
*/
.ladda-button.slide-left {
overflow: hidden;
}
.ladda-button.slide-left .label {
position: relative;
}
.ladda-button.slide-left .spinner {
left: 100%;
margin-left: -16px;
}
.ladda-button.slide-left[data-loading] .label {
opacity: 0;
left: -100%;
}
.ladda-button.slide-left[data-loading] .spinner {
opacity: 1;
left: 50%;
}
/*************************************
* SLIDE RIGHT
*/
.ladda-button.slide-right {
overflow: hidden;
}
.ladda-button.slide-right .label {
position: relative;
}
.ladda-button.slide-right .spinner {
right: 100%;
margin-left: -16px;
}
.ladda-button.slide-right[data-loading] .label {
opacity: 0;
left: 100%;
}
.ladda-button.slide-right[data-loading] .spinner {
opacity: 1;
left: 50%;
}
/*************************************
* SLIDE UP
*/
.ladda-button.slide-up {
overflow: hidden;
}
.ladda-button.slide-up .label {
position: relative;
}
.ladda-button.slide-up .spinner {
left: 50%;
margin-left: -16px;
margin-top: 1em;
}
.ladda-button.slide-up[data-loading] .label {
opacity: 0;
top: -1em;
}
.ladda-button.slide-up[data-loading] .spinner {
opacity: 1;
margin-top: -16px;
}
/*************************************
* SLIDE DOWN
*/
.ladda-button.slide-down {
overflow: hidden;
}
.ladda-button.slide-down .label {
position: relative;
}
.ladda-button.slide-down .spinner {
left: 50%;
margin-left: -16px;
margin-top: -2em;
}
.ladda-button.slide-down[data-loading] .label {
opacity: 0;
top: 1em;
}
.ladda-button.slide-down[data-loading] .spinner {
opacity: 1;
margin-top: -16px;
}
/*************************************
* ZOOM-OUT
*/
.ladda-button.zoom-out {
overflow: hidden;
}
.ladda-button.zoom-out .spinner {
left: 50%;
margin-left: -16px;
-webkit-transform: scale( 2.5 );
-moz-transform: scale( 2.5 );
-ms-transform: scale( 2.5 );
transform: scale( 2.5 );
}
.ladda-button.zoom-out .label {
position: relative;
display: inline-block;
}
.ladda-button.zoom-out[data-loading] .label {
opacity: 0;
-webkit-transform: scale( 0.5 );
-moz-transform: scale( 0.5 );
-ms-transform: scale( 0.5 );
transform: scale( 0.5 );
}
.ladda-button.zoom-out[data-loading] .spinner {
opacity: 1;
-webkit-transform: none;
-moz-transform: none;
-ms-transform: none;
transform: none;
}
/*************************************
* ZOOM-IN
*/
.ladda-button.zoom-in {
overflow: hidden;
}
.ladda-button.zoom-in .spinner {
left: 50%;
margin-left: -16px;
-webkit-transform: scale( 0.2 );
-moz-transform: scale( 0.2 );
-ms-transform: scale( 0.2 );
transform: scale( 0.2 );
}
.ladda-button.zoom-in .label {
position: relative;
display: inline-block;
}
.ladda-button.zoom-in[data-loading] .label {
opacity: 0;
-webkit-transform: scale( 2.2 );
-moz-transform: scale( 2.2 );
-ms-transform: scale( 2.2 );
transform: scale( 2.2 );
}
.ladda-button.zoom-in[data-loading] .spinner {
opacity: 1;
-webkit-transform: none;
-moz-transform: none;
-ms-transform: none;
transform: none;
}
/*************************************
* CONTRACt
*/
.ladda-button.contract {
overflow: hidden;
width: 100px;
}
.ladda-button.contract .spinner {
left: 50%;
margin-left: -16px;
}
.ladda-button.contract[data-loading] {
border-radius: 50%;
width: 52px;
}
.ladda-button.contract[data-loading] .label {
opacity: 0;
}
.ladda-button.contract[data-loading] .spinner {
opacity: 1;
}
/*************************************
* OVERLAY
*/
.ladda-button.contract-overlay {
overflow: hidden;
width: 100px;
box-shadow: 0px 0px 0px 3000px rgba(0,0,0,0);
}
.ladda-button.contract-overlay .spinner {
left: 50%;
margin-left: -16px;
}
.ladda-button.contract-overlay[data-loading] {
border-radius: 50%;
width: 52px;
/*outline: 10000px solid rgba( 0, 0, 0, 0.5 );*/
box-shadow: 0px 0px 0px 3000px rgba(0,0,0,0.8);
}
.ladda-button.contract-overlay[data-loading] .label {
opacity: 0;
}
.ladda-button.contract-overlay[data-loading] .spinner {
opacity: 1;
}
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