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@@ -1,7 +1,7 @@
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// ----------------------------------------------------------------------------
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// Vegas - jQuery plugin
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// Add awesome fullscreen backgrounds to your webpages.
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-// v 1.0 beta
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+// v 1.1 beta
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// Dual licensed under the MIT and GPL licenses.
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// http://vegas.jaysalvat.com/
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// ----------------------------------------------------------------------------
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@@ -27,242 +27,393 @@
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// THE SOFTWARE.
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// ----------------------------------------------------------------------------
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( function( $ ){
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- var $background = $( '<img />' ).addClass( 'vegas-background' ),
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- $overlay = $( '<div />' ).addClass( 'vegas-overlay' ),
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- $loading = $( '<div />' ).addClass( 'vegas-loading' ),
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- $current,
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- timer,
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- step = 0,
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- methods = {
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-
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- // Init plugin
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- init : function( settings ) {
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- var options = {
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- src: getBackground(),
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- align: 'center',
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- valign: 'center',
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- fade: 0,
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- load: function() {},
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- complete: function() {}
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- };
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- $.extend( true, options, settings );
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-
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- loading();
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-
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- $new = $background.clone();
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- $new.css( {
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- 'position': 'fixed',
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- 'left': '0px',
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- 'top': '0px'
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- })
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- .load( function() {
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- $( window ).bind( 'resize.vegas', function( e ) {
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- resize( $new, options );
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- });
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-
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- if ( $current ) {
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- $current.stop();
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- $new.hide()
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- .insertAfter( $current )
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- .fadeIn( options.fade, function() {
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- $('.vegas-background')
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- .not(this)
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- .remove();
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- $( 'body' ).trigger( 'backgroundcomplete', [ this ] );
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- options.complete.apply( $new );
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- });
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- } else {
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- $new.hide()
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- .prependTo( 'body' )
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- .fadeIn( options.fade, function() {
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- $( 'body' ).trigger( 'backgroundcomplete', [ this ] );
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- options.complete.apply( this );
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- });
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- }
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-
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- $current = $new;
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-
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- resize( $current, options );
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-
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- loaded();
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-
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- $( 'body' ).trigger( 'backgroundload', [ $current.get(0) ] );
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- options.load.apply( $current.get(0) );
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- })
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- .attr( 'src', options.src );
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-
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- return $.vegas;
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- },
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-
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- // Destroy background
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- destroy: function( what ) {
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- if ( !what || what == 'background') {
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- $( '.vegas-background, .vegas-loading' ).remove();
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- $( window ).unbind( 'resize.vegas' );
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- $current = null;
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- }
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-
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- if ( !what || what == 'overlay') {
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- $( '.vegas-overlay' ).remove();
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- }
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-
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- return $.vegas;
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- },
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-
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- overlay:function( settings ) {
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- var options = {
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- src: null,
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- opacity: null
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- };
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- $.extend( options, settings );
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-
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- $overlay.remove();
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-
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- $overlay
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- .css( {
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- 'margin': '0',
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- 'padding': '0',
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- 'position': 'fixed',
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- 'left': '0px',
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- 'top': '0px',
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- 'width': '100%',
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- 'height': '100%'
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- });
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-
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- if ( options.src ) {
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- $overlay.css( 'backgroundImage', 'url(' + options.src + ')' );
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- }
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-
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- if ( options.opacity ) {
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- $overlay.css( 'opacity', options.opacity );
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- }
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-
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- $overlay.prependTo( 'body' );
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-
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- return $.vegas;
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- },
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-
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- // Start slideshow
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- slideshow: function( settings ) {
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- var options = {
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- delay: 5000,
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- backgrounds: []
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- };
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- $.extend( options, settings );
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-
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- clearInterval( timer );
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-
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- var doSlideshow = function() {
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- $.vegas( options.backgrounds[ step++ ] );
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-
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- if ( step >= options.backgrounds.length ) {
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- step = 0;
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- }
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- }
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-
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- doSlideshow();
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- timer = setInterval( doSlideshow, options.delay );
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-
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- return $.vegas;
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- },
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-
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- // Stop slideshow
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- stop: function( settings ) {
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- step = 0;
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- clearInterval( timer );
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-
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- return $.vegas;
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- },
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-
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- // Pause SlideShow
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- pause: function( settings ) {
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- clearInterval( timer );
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-
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- return $.vegas;
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- }
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- }
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-
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- // Resize the background
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- function resize( $img, settings ) {
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- var options = {
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- align: 'center',
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- valign: 'center'
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- }
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- $.extend( options, settings );
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-
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- var ww = $( window ).width(),
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- wh = $( window ).height(),
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- iw = $img.width(),
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- ih = $img.height(),
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- rw = wh / ww,
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- ri = ih / iw,
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- newWidth, newHeight,
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- newLeft, newTop,
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- properties;
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-
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- if ( rw > ri ) {
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- newWidth = wh / ri;
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- newHeight = wh;
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- } else {
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- newWidth = ww;
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- newHeight = ww * ri;
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- }
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-
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- properties = {
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- 'width': newWidth + 'px',
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- 'height': newHeight + 'px',
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- 'left': ( ww - newWidth ) / 2 + 'px',
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- 'top': ( wh - newHeight ) / 2 + 'px'
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- }
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-
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- if ( options.valign == 'top' ) {
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- properties[ 'top' ] = 0;
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- properties[ 'bottom' ] = 'auto';
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- }
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-
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- if ( options.valign == 'bottom' ) {
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- properties[ 'top' ] = 'auto';
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- properties[ 'bottom' ] = 0;
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- }
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-
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- if ( options.align == 'left' ) {
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- properties[ 'left' ] = 0;
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- properties[ 'right' ] = 'auto';
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- }
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-
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- if ( options.align == 'right' ) {
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- properties[ 'left' ] = 'auto';
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- properties[ 'right' ] = 0;
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- }
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-
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- $img.css( properties );
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- }
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-
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- function loading() {
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- $loading.prependTo( 'body' ).fadeIn();
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- }
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-
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- function loaded() {
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- $loading.fadeOut( 'fast', function() {
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- $( this ).remove();
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- });
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- }
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-
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- // Get the background image from the body
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- function getBackground() {
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- if ( $( 'body' ).css( 'backgroundImage' ) ) {
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- return $( 'body' ).css( 'backgroundImage' ).replace( /url\("?(.*?)"?\)/i, '$1' );
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- }
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- }
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-
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- // The plugin
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- $.vegas = function( method ) {
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- if ( methods[ method ] ) {
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- return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ) );
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- } else if ( typeof method === 'object' || !method ) {
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- return methods.init.apply( this, arguments );
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- } else {
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- $.error( 'Method ' + method + ' does not exist' );
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- }
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- };
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+ var $background = $( '<img />' ).addClass( 'vegas-background' ),
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+ $overlay = $( '<div />' ).addClass( 'vegas-overlay' ),
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+ $loading = $( '<div />' ).addClass( 'vegas-loading' ),
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+ $current = $(),
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+ paused = null,
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+ backgrounds = [],
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+ step = 0,
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+ timer,
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+ methods = {
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+
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+ // Init plugin
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+ init : function( settings ) {
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+
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+ var options = {
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+ src: getBackground(),
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+ align: 'center',
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+ valign: 'center',
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+ fade: 0,
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+ loading: true,
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+ load: function() {},
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+ complete: function() {}
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+ }
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+ $.extend( options, $.vegas.defaults.background, settings );
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+
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+ if ( options.loading ) {
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+ loading();
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+ }
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+
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+ $new = $background.clone();
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+ $new.css( {
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+ 'position': 'fixed',
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+ 'left': '0px',
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+ 'top': '0px'
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+ })
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+ .load( function() {
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+ $( window ).bind( 'resize.vegas', function( e ) {
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+ resize( $new, options );
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+ });
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+
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+ if ( $current.is( 'img' ) ) {
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+
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+ $current.stop();
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+
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+ $new.hide()
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+ .insertAfter( $current )
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+ .fadeIn( options.fade, function() {
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+ $('.vegas-background')
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+ .not(this)
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+ .remove();
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+ $( 'body' ).trigger( 'vegascomplete', [ this, step - 1 ] );
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+ options.complete.apply( $new, [ step - 1 ] );
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+ });
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+ } else {
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+ $new.hide()
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+ .prependTo( 'body' )
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+ .fadeIn( options.fade, function() {
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+ $( 'body' ).trigger( 'vegascomplete', [ this, step - 1 ] );
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+ options.complete.apply( this, [ step - 1 ] );
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+ });
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+ }
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+
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+ $current = $new;
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+
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+ resize( $current, options );
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+
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+ if ( options.loading ) {
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+ loaded();
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+ }
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+
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+ $( 'body' ).trigger( 'vegasload', [ $current.get(0), step - 1 ] );
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+ options.load.apply( $current.get(0), [ step - 1 ] );
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+
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+ if ( step ) {
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+ $( 'body' ).trigger( 'vegasstep', [ $current.get(0), step - 1 ] );
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+ options.walk.apply( $current.get(0), [ step - 1 ] );
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+ }
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+ })
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+ .attr( 'src', options.src );
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+
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+ return $.vegas;
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+ },
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+
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+ // Destroy background and/or overlay
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+ destroy: function( what ) {
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+ if ( !what || what == 'background') {
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+ $( '.vegas-background, .vegas-loading' ).remove();
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+ $( window ).unbind( 'resize.vegas' );
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+ $current = null;
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+ }
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+
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+ if ( what == 'overlay') {
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+ $( '.vegas-overlay' ).remove();
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+ }
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+
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+ return $.vegas;
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+ },
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+
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+ // Display the pattern overlay
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+ overlay: function( settings ) {
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+ var options = {
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+ src: null,
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+ opacity: null
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+ };
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+ $.extend( options, $.vegas.defaults.overlay, settings );
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+
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+ $overlay.remove();
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+
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+ $overlay
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+ .css( {
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+ 'margin': '0',
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+ 'padding': '0',
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+ 'position': 'fixed',
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+ 'left': '0px',
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+ 'top': '0px',
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+ 'width': '100%',
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+ 'height': '100%'
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+ });
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+
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+ if ( options.src ) {
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+ $overlay.css( 'backgroundImage', 'url(' + options.src + ')' );
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+ }
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+
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+ if ( options.opacity ) {
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+ $overlay.css( 'opacity', options.opacity );
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+ }
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+
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+ $overlay.prependTo( 'body' );
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+
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+ return $.vegas;
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+ },
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+
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+ // Start/restart slideshow
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+ slideshow: function( settings, keepPause ) {
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+ var options = {
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+ step: step,
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+ delay: 5000,
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+ preload: false,
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+ backgrounds: backgrounds,
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+ walk: function() {}
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+ };
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+ options = $.extend( {}, $.vegas.defaults.slideshow, options, settings );
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+
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+ if ( options.backgrounds != backgrounds ) {
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+ if ( !settings.step ) {
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+ options.step = 0;
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+ }
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+
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+ if ( options.preload ) {
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+ $.vegas( 'preload', options.backgrounds )
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+ }
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+ }
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+
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+ backgrounds = options.backgrounds;
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+ step = options.step;
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+
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+ clearInterval( timer );
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+
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+ if ( !backgrounds.length ) {
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+ return $.vegas;
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+ }
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+
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+ var doSlideshow = function() {
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+ if ( step < 0 ) {
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+ step = backgrounds.length - 1;
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+ }
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+
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+ if ( step >= backgrounds.length || !backgrounds[ step - 1 ] ) {
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+ step = 0;
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+ }
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+
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+ var settings = backgrounds[ step++ ];
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+ settings.walk = options.walk;
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+
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+ $.vegas( settings );
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+ }
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+ doSlideshow();
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+
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+ if ( !keepPause ) {
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+ paused = false;
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+
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+ $( 'body' ).trigger( 'vegasstart', [ $current.get(0), step - 1 ] );
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+ }
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+
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+ if ( !paused ) {
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+ timer = setInterval( doSlideshow, options.delay );
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+ }
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+
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+ return $.vegas;
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+ },
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+
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+ // Jump to the next background in the current slideshow
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+ next: function() {
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+ var from = step;
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+
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+ if ( step ) {
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+ $.vegas( 'slideshow', { step: step }, true );
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+
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+ $( 'body' ).trigger( 'vegasnext', [ $current.get(0), step - 1, from - 1 ] );
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+ }
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+
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+ return $.vegas;
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+ },
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+
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+ // Jump to the previous background in the current slideshow
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+ previous: function() {
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+ var from = step;
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+
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+ if ( step ) {
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+ $.vegas( 'slideshow', { step: step - 2 }, true );
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+
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+ $( 'body' ).trigger( 'vegasprevious', [ $current.get(0), step - 1, from - 1 ] );
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+ }
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+
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+ return $.vegas;
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+ },
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+
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+ // Jump to a specific background in the current slideshow
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|
+ jump: function( s ) {
|
|
|
+ var from = step;
|
|
|
+
|
|
|
+ if ( step ) {
|
|
|
+ $.vegas( 'slideshow', { step: s }, true );
|
|
|
+
|
|
|
+ $( 'body' ).trigger( 'vegasjump', [ $current.get(0), step - 1, from - 1 ] );
|
|
|
+ }
|
|
|
+
|
|
|
+ return $.vegas;
|
|
|
+ },
|
|
|
+
|
|
|
+ // Stop slideshow
|
|
|
+ stop: function() {
|
|
|
+ var from = step;
|
|
|
+ step = 0;
|
|
|
+ paused = null;
|
|
|
+ clearInterval( timer );
|
|
|
+
|
|
|
+ $( 'body' ).trigger( 'vegasstop', [ $current.get(0), from - 1 ] );
|
|
|
+
|
|
|
+ return $.vegas;
|
|
|
+ },
|
|
|
+
|
|
|
+ // Pause slideShow
|
|
|
+ pause: function() {
|
|
|
+ paused = true;
|
|
|
+ clearInterval( timer );
|
|
|
+
|
|
|
+ $( 'body' ).trigger( 'vegaspause', [ $current.get(0), step - 1 ] );
|
|
|
+
|
|
|
+ return $.vegas;
|
|
|
+ },
|
|
|
+
|
|
|
+ // Get some useful values or objects
|
|
|
+ get: function( what ) {
|
|
|
+ if ( what == null || what == 'background' ) {
|
|
|
+ return $current.get(0);
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( what == 'overlay' ) {
|
|
|
+ return $overlay.get(0);
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( what == 'step' ) {
|
|
|
+ return step - 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( what == 'paused' ) {
|
|
|
+ return paused;
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ // Preload an array of backgrounds
|
|
|
+ preload: function( backgrounds ) {
|
|
|
+ for( var i in backgrounds ) {
|
|
|
+ if ( backgrounds[ i ].src ) {
|
|
|
+ $('<img src="' + backgrounds[ i ].src + '">');
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return $.vegas;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Resize the background
|
|
|
+ function resize( $img, settings ) {
|
|
|
+ var options = {
|
|
|
+ align: 'center',
|
|
|
+ valign: 'center'
|
|
|
+ }
|
|
|
+ $.extend( options, settings );
|
|
|
+
|
|
|
+ var ww = $( window ).width(),
|
|
|
+ wh = $( window ).height(),
|
|
|
+ iw = $img.width(),
|
|
|
+ ih = $img.height(),
|
|
|
+ rw = wh / ww,
|
|
|
+ ri = ih / iw,
|
|
|
+ newWidth, newHeight,
|
|
|
+ newLeft, newTop,
|
|
|
+ properties;
|
|
|
+
|
|
|
+ if ( rw > ri ) {
|
|
|
+ newWidth = wh / ri;
|
|
|
+ newHeight = wh;
|
|
|
+ } else {
|
|
|
+ newWidth = ww;
|
|
|
+ newHeight = ww * ri;
|
|
|
+ }
|
|
|
+
|
|
|
+ properties = {
|
|
|
+ 'width': newWidth + 'px',
|
|
|
+ 'height': newHeight + 'px'
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( parseInt( options.valign ) != 'NaN' ) {
|
|
|
+ properties[ 'top' ] = ( 0 - ( newHeight - wh ) / 100 * parseInt( options.valign ) ) + 'px';
|
|
|
+ } else if ( options.valign == 'top' ) {
|
|
|
+ properties[ 'top' ] = 0;
|
|
|
+ } else if ( options.valign == 'bottom' ) {
|
|
|
+ properties[ 'bottom' ] = 0;
|
|
|
+ } else {
|
|
|
+ properties[ 'top' ] = ( wh - newHeight ) / 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( parseInt( options.align ) != 'NaN' ) {
|
|
|
+ properties[ 'left' ] = ( 0 - ( newWidth - ww ) / 100 * parseInt( options.align ) ) + 'px';
|
|
|
+ } else if ( options.align == 'left' ) {
|
|
|
+ properties[ 'left' ] = 0;
|
|
|
+ } else if ( options.align == 'right' ) {
|
|
|
+ properties[ 'right' ] = 0;
|
|
|
+ } else {
|
|
|
+ properties[ 'left' ] = ( ww - newWidth ) / 2 ;
|
|
|
+ }
|
|
|
+
|
|
|
+ $img.css( properties );
|
|
|
+ }
|
|
|
+
|
|
|
+ // Display the loading indicator
|
|
|
+ function loading() {
|
|
|
+ $loading.prependTo( 'body' ).fadeIn();
|
|
|
+ }
|
|
|
+
|
|
|
+ // Hide the loading indicator
|
|
|
+ function loaded() {
|
|
|
+ $loading.fadeOut( 'fast', function() {
|
|
|
+ $( this ).remove();
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ // Get the background image from the body
|
|
|
+ function getBackground() {
|
|
|
+ if ( $( 'body' ).css( 'backgroundImage' ) ) {
|
|
|
+ return $( 'body' ).css( 'backgroundImage' ).replace( /url\("?(.*?)"?\)/i, '$1' );
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // The plugin
|
|
|
+ $.vegas = function( method ) {
|
|
|
+ if ( methods[ method ] ) {
|
|
|
+ return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ) );
|
|
|
+ } else if ( typeof method === 'object' || !method ) {
|
|
|
+ return methods.init.apply( this, arguments );
|
|
|
+ } else {
|
|
|
+ $.error( 'Method ' + method + ' does not exist' );
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ // Global parameters
|
|
|
+ $.vegas.defaults = {
|
|
|
+ background: {
|
|
|
+ // src: string
|
|
|
+ // align: string/int
|
|
|
+ // valign: string/int
|
|
|
+ // fade: int
|
|
|
+ // loading bool
|
|
|
+ // load: function
|
|
|
+ // complete: function
|
|
|
+ },
|
|
|
+ slideshow: {
|
|
|
+ // step: int
|
|
|
+ // delay: int
|
|
|
+ // backgrounds: array
|
|
|
+ // preload: bool
|
|
|
+ // walk: function
|
|
|
+ },
|
|
|
+ overlay: {
|
|
|
+ // src: string
|
|
|
+ // opacity: float
|
|
|
+ }
|
|
|
+ }
|
|
|
})( jQuery );
|
Jay Salvat