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// Name: Lightbox
// Description: Component to create an lightbox image gallery
//
// Component: `uk-lightbox`
//
// Sub-objects: `uk-lightbox-page`
// `uk-lightbox-items`
// `uk-lightbox-toolbar`
// `uk-lightbox-toolbar-icon`
// `uk-lightbox-button`
// `uk-lightbox-caption`
// `uk-lightbox-iframe`
//
// States: `uk-open`
//
// ========================================================================
// Variables
// ========================================================================
$lightbox-z-index: $global-z-index + 10 !default;
$lightbox-background: #000 !default;
$lightbox-item-color: rgba(255,255,255,0.7) !default;
$lightbox-toolbar-padding-vertical: 10px !default;
$lightbox-toolbar-padding-horizontal: 10px !default;
$lightbox-toolbar-background: rgba(0,0,0,0.3) !default;
$lightbox-toolbar-color: rgba(255,255,255,0.7) !default;
$lightbox-toolbar-icon-padding: 5px !default;
$lightbox-toolbar-icon-color: rgba(255,255,255,0.7) !default;
$lightbox-toolbar-icon-hover-color: #fff !default;
$lightbox-button-size: 50px !default;
$lightbox-button-background: $lightbox-toolbar-background !default;
$lightbox-button-color: rgba(255,255,255,0.7) !default;
$lightbox-button-hover-color: #fff !default;
/* ========================================================================
Component: Lightbox
========================================================================== */
/*
* 1. Hide by default
* 2. Set position
* 3. Allow scrolling for the modal dialog
* 4. Horizontal padding
* 5. Mask the background page
* 6. Fade-in transition
*/
.uk-lightbox {
/* 1 */
display: none;
/* 2 */
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: $lightbox-z-index;
/* 5 */
background: $lightbox-background;
/* 6 */
opacity: 0;
transition: opacity 0.15s linear;
@if(mixin-exists(hook-lightbox)) {@include hook-lightbox();}
}
/*
* Open
* 1. Center child
* 2. Fade-in
*/
.uk-lightbox.uk-open {
display: block;
/* 2 */
opacity: 1;
}
/* Page
========================================================================== */
/*
* Prevent scrollbars
*/
.uk-lightbox-page { overflow: hidden; }
/* Item
========================================================================== */
/*
* 1. Center child within the viewport
* 2. Not visible by default
* 3. Color needed for spinner icon
* 4. Optimize animation
* 5. Responsiveness
* Using `vh` for `max-height` to fix image proportions after resize in Safari and Opera
* Using `vh` and `vw` to make responsive image work in IE11
*/
.uk-lightbox-items > * {
/* 1 */
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
/* 2 */
display: none;
justify-content: center;
align-items: center;
/* 3 */
color: $lightbox-item-color;
/* 4 */
will-change: transform, opacity;
@if(mixin-exists(hook-lightbox-item)) {@include hook-lightbox-item();}
}
/* 5 */
.uk-lightbox-items > * > * {
max-width: 100vw;
max-height: 100vh;
}
.uk-lightbox-items > * > :not(iframe) {
width: auto;
height: auto;
}
.uk-lightbox-items > .uk-active { display: flex; }
/* Toolbar
========================================================================== */
.uk-lightbox-toolbar {
padding: $lightbox-toolbar-padding-vertical $lightbox-toolbar-padding-horizontal;
background: $lightbox-toolbar-background;
color: $lightbox-toolbar-color;
@if(mixin-exists(hook-lightbox-toolbar)) {@include hook-lightbox-toolbar();}
}
.uk-lightbox-toolbar * { color: $lightbox-toolbar-color; }
/* Toolbar Icon (Close)
========================================================================== */
.uk-lightbox-toolbar-icon {
padding: $lightbox-toolbar-icon-padding;
color: $lightbox-toolbar-icon-color;
@if(mixin-exists(hook-lightbox-toolbar-icon)) {@include hook-lightbox-toolbar-icon();}
}
/*
* Hover
*/
.uk-lightbox-toolbar-icon:hover {
color: $lightbox-toolbar-icon-hover-color;
@if(mixin-exists(hook-lightbox-toolbar-icon-hover)) {@include hook-lightbox-toolbar-icon-hover();}
}
/* Button (Slidenav)
========================================================================== */
/*
* 1. Center icon vertically and horizontally
*/
.uk-lightbox-button {
box-sizing: border-box;
width: $lightbox-button-size;
height: $lightbox-button-size;
background: $lightbox-button-background;
color: $lightbox-button-color;
/* 1 */
display: inline-flex;
justify-content: center;
align-items: center;
@if(mixin-exists(hook-lightbox-button)) {@include hook-lightbox-button();}
}
/*
* Hover
*/
.uk-lightbox-button:hover {
color: $lightbox-button-hover-color;
@if(mixin-exists(hook-lightbox-button-hover)) {@include hook-lightbox-button-hover();}
}
/* Caption
========================================================================== */
.uk-lightbox-caption {}
/* Iframe
========================================================================== */
.uk-lightbox-iframe {
width: 80%;
height: 80%;
}
// Hooks
// ========================================================================
@if(mixin-exists(hook-lightbox-misc)) {@include hook-lightbox-misc();}
// @mixin hook-lightbox(){}
// @mixin hook-lightbox-item(){}
// @mixin hook-lightbox-toolbar(){}
// @mixin hook-lightbox-toolbar-icon(){}
// @mixin hook-lightbox-toolbar-icon-hover(){}
// @mixin hook-lightbox-button(){}
// @mixin hook-lightbox-button-hover(){}
// @mixin hook-lightbox-misc(){}
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