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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.
<h1>Packery - animate responsive item size, vanilla JS</h1>
<p>Click items to toggle size</p>
<div class="grid">
<div class="grid-sizer"></div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
<div class="grid-item">
<div class="grid-item-content"></div>
</div>
</div>
* { box-sizing: border-box; }
/* force scrollbar */
html { overflow-y: scroll; }
body { font-family: sans-serif; }
.grid {
background: #EEE;
}
/* item is invisible, but used for layout */
.grid-item,
.grid-sizer {
width: 20%;
}
.grid-item {
float: left;
height: 100px;
}
/* grid-item-content is visible, and transitions size */
.grid-item-content {
width: 100%;
height: 100%;
background: #C09;
border: 2px solid hsla(0, 0%, 0%, 0.5);
-webkit-transition: width 0.4s, height 0.4s;
transition: width 0.4s, height 0.4s;
}
.grid-item:hover .grid-item-content {
background: #C90;
cursor: pointer;
}
/* both item and item content change size */
.grid-item.is-expanded {
width: 60%;
height: 200px;
z-index: 2;
}
.grid-item.is-expanded .grid-item-content {
background: #0C9;
}
// external js: packery.pkgd.js
var grid = document.querySelector('.grid');
var pckry = new Packery( grid, {
itemSelector: '.grid-item',
percentPosition: true
});
grid.addEventListener( 'click', function( event ) {
// only .grid-item-content clicks
if ( !matchesSelector( event.target, '.grid-item-content' ) ) {
return;
}
var itemContent = event.target;
setItemContentPixelSize( itemContent );
var itemElem = itemContent.parentNode;
var isExpanded = itemElem.classList.contains('is-expanded');
itemElem.classList.toggle('is-expanded');
// force redraw
var redraw = itemContent.offsetWidth;
// renable default transition
itemContent.style[ transitionProp ] = '';
addTransitionListener( itemContent );
setItemContentTransitionSize( itemContent, itemElem );
if ( isExpanded ) {
// if shrinking, shiftLayout
pckry.shiftLayout();
} else {
// if expanding, fit it
pckry.fit( itemElem );
}
});
var docElem = document.documentElement;
var transitionProp = typeof docElem.style.transition == 'string' ?
'transition' : 'WebkitTransition';
var transitionEndEvent = {
WebkitTransition: 'webkitTransitionEnd',
transition: 'transitionend'
}[ transitionProp ];
function setItemContentPixelSize( itemContent ) {
var previousContentSize = getSize( itemContent );
// disable transition
itemContent.style[ transitionProp ] = 'none';
// set current size in pixels
itemContent.style.width = previousContentSize.width + 'px';
itemContent.style.height = previousContentSize.height + 'px';
}
function addTransitionListener( itemContent ) {
// reset 100%/100% sizing after transition end
var onTransitionEnd = function() {
itemContent.style.width = '';
itemContent.style.height = '';
itemContent.removeEventListener( transitionEndEvent, onTransitionEnd );
};
itemContent.addEventListener( transitionEndEvent, onTransitionEnd );
}
function setItemContentTransitionSize( itemContent, itemElem ) {
// set new size
var size = getSize( itemElem );
itemContent.style.width = size.width + 'px';
itemContent.style.height = size.height + 'px';
}
Also see: Tab Triggers