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ImageLightbox.js use code
jQuery( function( $ )
{
// ACTIVITY INDICATOR
var activityIndicatorOn = function()
{
$( '<div id="imagelightbox-loading"><div></div></div>' ).appendTo( 'body' );
},
activityIndicatorOff = function()
{
$( '#imagelightbox-loading' ).remove();
},
// OVERLAY
overlayOn = function()
{
$( '<div id="imagelightbox-overlay"></div>' ).appendTo( 'body' );
},
overlayOff = function()
{
$( '#imagelightbox-overlay' ).remove();
},
// CLOSE BUTTON
closeButtonOn = function( instance )
{
$( '<button type="button" id="imagelightbox-close" title="Close"></button>' ).appendTo( 'body' ).on( 'click touchend', function(){ $( this ).remove(); instance.quitImageLightbox(); return false; });
},
closeButtonOff = function()
{
$( '#imagelightbox-close' ).remove();
},
// CAPTION
captionOn = function()
{
var description = $( 'a[href="' + $( '#imagelightbox' ).attr( 'src' ) + '"] img' ).attr( 'alt' );
if( description.length > 0 )
$( '<div id="imagelightbox-caption">' + description + '</div>' ).appendTo( 'body' );
},
captionOff = function()
{
$( '#imagelightbox-caption' ).remove();
},
// NAVIGATION
navigationOn = function( instance, selector )
{
var images = $( selector );
if( images.length )
{
var nav = $( '<div id="imagelightbox-nav"></div>' );
for( var i = 0; i < images.length; i++ )
nav.append( '<button type="button"></button>' );
nav.appendTo( 'body' );
nav.on( 'click touchend', function(){ return false; });
var navItems = nav.find( 'button' );
navItems.on( 'click touchend', function()
{
var $this = $( this );
if( images.eq( $this.index() ).attr( 'href' ) != $( '#imagelightbox' ).attr( 'src' ) )
instance.switchImageLightbox( $this.index() );
navItems.removeClass( 'active' );
navItems.eq( $this.index() ).addClass( 'active' );
return false;
})
.on( 'touchend', function(){ return false; });
}
},
navigationUpdate = function( selector )
{
var items = $( '#imagelightbox-nav button' );
items.removeClass( 'active' );
items.eq( $( selector ).filter( '[href="' + $( '#imagelightbox' ).attr( 'src' ) + '"]' ).index( selector ) ).addClass( 'active' );
},
navigationOff = function()
{
$( '#imagelightbox-nav' ).remove();
},
// ARROWS
arrowsOn = function( instance, selector )
{
var $arrows = $( '<button type="button" class="imagelightbox-arrow imagelightbox-arrow-left"></button><button type="button" class="imagelightbox-arrow imagelightbox-arrow-right"></button>' );
$arrows.appendTo( 'body' );
$arrows.on( 'click touchend', function( e )
{
e.preventDefault();
var $this = $( this ),
$target = $( selector + '[href="' + $( '#imagelightbox' ).attr( 'src' ) + '"]' ),
index = $target.index( selector );
if( $this.hasClass( 'imagelightbox-arrow-left' ) )
{
index = index - 1;
if( !$( selector ).eq( index ).length )
index = $( selector ).length;
}
else
{
index = index + 1;
if( !$( selector ).eq( index ).length )
index = 0;
}
instance.switchImageLightbox( index );
return false;
});
},
arrowsOff = function()
{
$( '.imagelightbox-arrow' ).remove();
};
//===============================================================
//until here just the general code + le ImageLightbox.js file
// use the snippet for you gallery
//===============================================================
// WITH ACTIVITY INDICATION
$( 'a[data-imagelightbox="a"]' ).imageLightbox(
{
onLoadStart: function() { activityIndicatorOn(); },
onLoadEnd: function() { activityIndicatorOff(); },
onEnd: function() { activityIndicatorOff(); }
});
// WITH OVERLAY & ACTIVITY INDICATION
$( 'a[data-imagelightbox="b"]' ).imageLightbox(
{
onStart: function() { overlayOn(); },
onEnd: function() { overlayOff(); activityIndicatorOff(); },
onLoadStart: function() { activityIndicatorOn(); },
onLoadEnd: function() { activityIndicatorOff(); }
});
// WITH "CLOSE" BUTTON & ACTIVITY INDICATION
var instanceC = $( 'a[data-imagelightbox="c"]' ).imageLightbox(
{
quitOnDocClick: false,
onStart: function() { closeButtonOn( instanceC ); },
onEnd: function() { closeButtonOff(); activityIndicatorOff(); },
onLoadStart: function() { activityIndicatorOn(); },
onLoadEnd: function() { activityIndicatorOff(); }
});
// WITH CAPTION & ACTIVITY INDICATION
$( 'a[data-imagelightbox="d"]' ).imageLightbox(
{
onLoadStart: function() { captionOff(); activityIndicatorOn(); },
onLoadEnd: function() { captionOn(); activityIndicatorOff(); },
onEnd: function() { captionOff(); activityIndicatorOff(); }
});
// WITH ARROWS & ACTIVITY INDICATION
var selectorG = 'a[data-imagelightbox="g"]';
var instanceG = $( selectorG ).imageLightbox(
{
onStart: function(){ arrowsOn( instanceG, selectorG ); },
onEnd: function(){ arrowsOff(); activityIndicatorOff(); },
onLoadStart: function(){ activityIndicatorOn(); },
onLoadEnd: function(){ $( '.imagelightbox-arrow' ).css( 'display', 'block' ); activityIndicatorOff(); }
});
// WITH NAVIGATION & ACTIVITY INDICATION
var selectorE = 'a[data-imagelightbox="e"]';
var instanceE = $( selectorE ).imageLightbox(
{
onStart: function() { navigationOn( instanceE, selectorE ); },
onEnd: function() { navigationOff(); activityIndicatorOff(); },
onLoadStart: function() { activityIndicatorOn(); },
onLoadEnd: function() { navigationUpdate( selectorE ); activityIndicatorOff(); }
});
// ALL COMBINED
var selectorF = 'a[data-imagelightbox="f"]';
var instanceF = $( selectorF ).imageLightbox(
{
onStart: function() { overlayOn(); closeButtonOn( instanceF ); arrowsOn( instanceF, selectorF ); },
onEnd: function() { overlayOff(); captionOff(); closeButtonOff(); arrowsOff(); activityIndicatorOff(); },
onLoadStart: function() { captionOff(); activityIndicatorOn(); },
onLoadEnd: function() { captionOn(); activityIndicatorOff(); $( '.imagelightbox-arrow' ).css( 'display', 'block' ); }
});
});
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