677 lines
15 KiB
JavaScript
Executable File
677 lines
15 KiB
JavaScript
Executable File
/**
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* jquery.slitslider.js v1.1.0
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* http://www.codrops.com
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*
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* Licensed under the MIT license.
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* http://www.opensource.org/licenses/mit-license.php
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*
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* Copyright 2012, Codrops
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* http://www.codrops.com
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*/
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;( function( $, window, undefined ) {
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'use strict';
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/*
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* debouncedresize: special jQuery event that happens once after a window resize
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*
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* latest version and complete README available on Github:
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* https://github.com/louisremi/jquery-smartresize/blob/master/jquery.debouncedresize.js
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*
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* Copyright 2011 @louis_remi
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* Licensed under the MIT license.
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*/
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var $event = $.event,
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$special,
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resizeTimeout;
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$special = $event.special.debouncedresize = {
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setup: function() {
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$( this ).on( "resize", $special.handler );
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},
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teardown: function() {
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$( this ).off( "resize", $special.handler );
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},
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handler: function( event, execAsap ) {
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// Save the context
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var context = this,
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args = arguments,
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dispatch = function() {
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// set correct event type
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event.type = "debouncedresize";
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$event.dispatch.apply( context, args );
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};
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if ( resizeTimeout ) {
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clearTimeout( resizeTimeout );
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}
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execAsap ?
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dispatch() :
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resizeTimeout = setTimeout( dispatch, $special.threshold );
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},
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threshold: 20
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};
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// global
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var $window = $( window ),
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$document = $( document ),
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Modernizr = window.Modernizr;
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$.Slitslider = function( options, element ) {
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this.$elWrapper = $( element );
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this._init( options );
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};
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$.Slitslider.defaults = {
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// transitions speed
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speed : 800,
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// if true the item's slices will also animate the opacity value
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optOpacity : false,
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// amount (%) to translate both slices - adjust as necessary
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translateFactor : 230,
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// maximum possible angle
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maxAngle : 25,
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// maximum possible scale
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maxScale : 2,
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// slideshow on / off
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autoplay : false,
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// keyboard navigation
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keyboard : true,
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// time between transitions
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interval : 4000,
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// callbacks
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onBeforeChange : function( slide, idx ) { return false; },
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onAfterChange : function( slide, idx ) { return false; }
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};
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$.Slitslider.prototype = {
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_init : function( options ) {
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// options
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this.options = $.extend( true, {}, $.Slitslider.defaults, options );
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// https://github.com/twitter/bootstrap/issues/2870
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this.transEndEventNames = {
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'WebkitTransition' : 'webkitTransitionEnd',
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'MozTransition' : 'transitionend',
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'OTransition' : 'oTransitionEnd',
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'msTransition' : 'MSTransitionEnd',
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'transition' : 'transitionend'
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};
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this.transEndEventName = this.transEndEventNames[ Modernizr.prefixed( 'transition' ) ];
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// suport for css 3d transforms and css transitions
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this.support = Modernizr.csstransitions && Modernizr.csstransforms3d;
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// the slider
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this.$el = this.$elWrapper.children( '.sl-slider' );
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// the slides
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this.$slides = this.$el.children( '.sl-slide' ).hide();
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// total slides
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this.slidesCount = this.$slides.length;
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// current slide
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this.current = 0;
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// control if it's animating
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this.isAnimating = false;
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// get container size
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this._getSize();
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// layout
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this._layout();
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// load some events
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this._loadEvents();
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// slideshow
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if( this.options.autoplay ) {
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this._startSlideshow();
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}
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},
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// gets the current container width & height
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_getSize : function() {
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this.size = {
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width : this.$elWrapper.outerWidth( true ),
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height : this.$elWrapper.outerHeight( true )
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};
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},
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_layout : function() {
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this.$slideWrapper = $( '<div class="sl-slides-wrapper" />' );
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// wrap the slides
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this.$slides.wrapAll( this.$slideWrapper ).each( function( i ) {
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var $slide = $( this ),
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// vertical || horizontal
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orientation = $slide.data( 'orientation' );
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$slide.addClass( 'sl-slide-' + orientation )
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.children()
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.wrapAll( '<div class="sl-content-wrapper" />' )
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.wrapAll( '<div class="sl-content" />' );
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} );
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// set the right size of the slider/slides for the current window size
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this._setSize();
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// show first slide
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this.$slides.eq( this.current ).show();
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},
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_navigate : function( dir, pos ) {
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if( this.isAnimating || this.slidesCount < 2 ) {
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return false;
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}
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this.isAnimating = true;
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var self = this,
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$currentSlide = this.$slides.eq( this.current );
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// if position is passed
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if( pos !== undefined ) {
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this.current = pos;
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}
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// if not check the boundaries
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else if( dir === 'next' ) {
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this.current = this.current < this.slidesCount - 1 ? ++this.current : 0;
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}
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else if( dir === 'prev' ) {
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this.current = this.current > 0 ? --this.current : this.slidesCount - 1;
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}
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this.options.onBeforeChange( $currentSlide, this.current );
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// next slide to be shown
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var $nextSlide = this.$slides.eq( this.current ),
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// the slide we want to cut and animate
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$movingSlide = ( dir === 'next' ) ? $currentSlide : $nextSlide,
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// the following are the data attrs set for each slide
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configData = $movingSlide.data(),
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config = {};
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config.orientation = configData.orientation || 'horizontal',
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config.slice1angle = configData.slice1Rotation || 0,
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config.slice1scale = configData.slice1Scale || 1,
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config.slice2angle = configData.slice2Rotation || 0,
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config.slice2scale = configData.slice2Scale || 1;
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this._validateValues( config );
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var cssStyle = config.orientation === 'horizontal' ? {
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marginTop : -this.size.height / 2
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} : {
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marginLeft : -this.size.width / 2
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},
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// default slide's slices style
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resetStyle = {
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'transform' : 'translate(0%,0%) rotate(0deg) scale(1)',
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opacity : 1
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},
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// slice1 style
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slice1Style = config.orientation === 'horizontal' ? {
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'transform' : 'translateY(-' + this.options.translateFactor + '%) rotate(' + config.slice1angle + 'deg) scale(' + config.slice1scale + ')'
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} : {
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'transform' : 'translateX(-' + this.options.translateFactor + '%) rotate(' + config.slice1angle + 'deg) scale(' + config.slice1scale + ')'
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},
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// slice2 style
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slice2Style = config.orientation === 'horizontal' ? {
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'transform' : 'translateY(' + this.options.translateFactor + '%) rotate(' + config.slice2angle + 'deg) scale(' + config.slice2scale + ')'
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} : {
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'transform' : 'translateX(' + this.options.translateFactor + '%) rotate(' + config.slice2angle + 'deg) scale(' + config.slice2scale + ')'
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};
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if( this.options.optOpacity ) {
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slice1Style.opacity = 0;
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slice2Style.opacity = 0;
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}
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// we are adding the classes sl-trans-elems and sl-trans-back-elems to the slide that is either coming "next"
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// or going "prev" according to the direction.
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// the idea is to make it more interesting by giving some animations to the respective slide's elements
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//( dir === 'next' ) ? $nextSlide.addClass( 'sl-trans-elems' ) : $currentSlide.addClass( 'sl-trans-back-elems' );
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$currentSlide.removeClass( 'sl-trans-elems' );
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var transitionProp = {
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'transition' : 'all ' + this.options.speed + 'ms ease-in-out'
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};
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// add the 2 slices and animate them
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$movingSlide.css( 'z-index', this.slidesCount )
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.find( 'div.sl-content-wrapper' )
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.wrap( $( '<div class="sl-content-slice" />' ).css( transitionProp ) )
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.parent()
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.cond(
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dir === 'prev',
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function() {
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var slice = this;
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this.css( slice1Style );
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setTimeout( function() {
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slice.css( resetStyle );
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}, 50 );
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},
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function() {
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var slice = this;
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setTimeout( function() {
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slice.css( slice1Style );
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}, 50 );
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}
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)
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.clone()
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.appendTo( $movingSlide )
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.cond(
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dir === 'prev',
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function() {
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var slice = this;
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this.css( slice2Style );
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setTimeout( function() {
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$currentSlide.addClass( 'sl-trans-back-elems' );
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if( self.support ) {
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slice.css( resetStyle ).on( self.transEndEventName, function() {
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self._onEndNavigate( slice, $currentSlide, dir );
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} );
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}
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else {
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self._onEndNavigate( slice, $currentSlide, dir );
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}
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}, 50 );
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},
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function() {
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var slice = this;
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setTimeout( function() {
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$nextSlide.addClass( 'sl-trans-elems' );
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if( self.support ) {
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slice.css( slice2Style ).on( self.transEndEventName, function() {
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self._onEndNavigate( slice, $currentSlide, dir );
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} );
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}
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else {
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self._onEndNavigate( slice, $currentSlide, dir );
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}
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}, 50 );
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}
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)
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.find( 'div.sl-content-wrapper' )
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.css( cssStyle );
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$nextSlide.show();
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},
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_validateValues : function( config ) {
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// OK, so we are restricting the angles and scale values here.
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// This is to avoid the slices wrong sides to be shown.
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// you can adjust these values as you wish but make sure you also ajust the
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// paddings of the slides and also the options.translateFactor value and scale data attrs
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if( config.slice1angle > this.options.maxAngle || config.slice1angle < -this.options.maxAngle ) {
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config.slice1angle = this.options.maxAngle;
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}
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if( config.slice2angle > this.options.maxAngle || config.slice2angle < -this.options.maxAngle ) {
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config.slice2angle = this.options.maxAngle;
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}
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if( config.slice1scale > this.options.maxScale || config.slice1scale <= 0 ) {
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config.slice1scale = this.options.maxScale;
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}
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if( config.slice2scale > this.options.maxScale || config.slice2scale <= 0 ) {
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config.slice2scale = this.options.maxScale;
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}
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if( config.orientation !== 'vertical' && config.orientation !== 'horizontal' ) {
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config.orientation = 'horizontal'
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}
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},
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_onEndNavigate : function( $slice, $oldSlide, dir ) {
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// reset previous slide's style after next slide is shown
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var $slide = $slice.parent(),
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removeClasses = 'sl-trans-elems sl-trans-back-elems';
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// remove second slide's slice
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$slice.remove();
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// unwrap..
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$slide.css( 'z-index', 1 )
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.find( 'div.sl-content-wrapper' )
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.unwrap();
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// hide previous current slide
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$oldSlide.hide().removeClass( removeClasses );
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$slide.removeClass( removeClasses );
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// now we can navigate again..
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this.isAnimating = false;
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this.options.onAfterChange( $slide, this.current );
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},
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_setSize : function() {
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// the slider and content wrappers will have the window's width and height
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var cssStyle = {
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width : this.size.width,
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height : this.size.height
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};
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this.$el.css( cssStyle ).find( 'div.sl-content-wrapper' ).css( cssStyle );
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},
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_loadEvents : function() {
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var self = this;
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$window.on( 'debouncedresize.slitslider', function( event ) {
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// update size values
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self._getSize();
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// set the sizes again
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self._setSize();
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} );
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if ( this.options.keyboard ) {
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$document.on( 'keydown.slitslider', function(e) {
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var keyCode = e.keyCode || e.which,
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arrow = {
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left: 37,
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up: 38,
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right: 39,
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down: 40
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};
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switch (keyCode) {
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case arrow.left :
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self._stopSlideshow();
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self._navigate( 'prev' );
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break;
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case arrow.right :
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self._stopSlideshow();
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self._navigate( 'next' );
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break;
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}
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} );
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}
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},
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_startSlideshow: function() {
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var self = this;
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this.slideshow = setTimeout( function() {
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self._navigate( 'next' );
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if ( self.options.autoplay ) {
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self._startSlideshow();
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}
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}, this.options.interval );
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},
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_stopSlideshow: function() {
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if ( this.options.autoplay ) {
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clearTimeout( this.slideshow );
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this.isPlaying = false;
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this.options.autoplay = false;
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}
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},
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_destroy : function( callback ) {
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this.$el.off( '.slitslider' ).removeData( 'slitslider' );
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$window.off( '.slitslider' );
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$document.off( '.slitslider' );
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this.$slides.each( function( i ) {
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var $slide = $( this ),
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$content = $slide.find( 'div.sl-content' ).children();
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$content.appendTo( $slide );
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$slide.children( 'div.sl-content-wrapper' ).remove();
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} );
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this.$slides.unwrap( this.$slideWrapper ).hide();
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this.$slides.eq( 0 ).show();
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if( callback ) {
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callback.call();
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}
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},
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// public methos: adds more slides to the slider
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add : function( $slides, callback ) {
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this.$slides = this.$slides.add( $slides );
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var self = this;
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$slides.each( function( i ) {
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var $slide = $( this ),
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// vertical || horizontal
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orientation = $slide.data( 'orientation' );
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$slide.hide().addClass( 'sl-slide-' + orientation )
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.children()
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.wrapAll( '<div class="sl-content-wrapper" />' )
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.wrapAll( '<div class="sl-content" />' )
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.end()
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.appendTo( self.$el.find( 'div.sl-slides-wrapper' ) );
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} );
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this._setSize();
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this.slidesCount = this.$slides.length;
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if ( callback ) {
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callback.call( $items );
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}
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},
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// public method: shows next slide
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next : function() {
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this._stopSlideshow();
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this._navigate( 'next' );
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},
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// public method: shows previous slide
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previous : function() {
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this._stopSlideshow();
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this._navigate( 'prev' );
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},
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// public method: goes to a specific slide
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jump : function( pos ) {
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pos -= 1;
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if( pos === this.current || pos >= this.slidesCount || pos < 0 ) {
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return false;
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}
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this._stopSlideshow();
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this._navigate( pos > this.current ? 'next' : 'prev', pos );
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},
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// public method: starts the slideshow
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// any call to next(), previous() or jump() will stop the slideshow
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play : function() {
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if( !this.isPlaying ) {
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this.isPlaying = true;
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this._navigate( 'next' );
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this.options.autoplay = true;
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this._startSlideshow();
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}
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},
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// public method: pauses the slideshow
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pause : function() {
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if( this.isPlaying ) {
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this._stopSlideshow();
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}
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},
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// public method: check if isAnimating is true
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isActive : function() {
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return this.isAnimating;
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},
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// publicc methos: destroys the slicebox instance
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destroy : function( callback ) {
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this._destroy( callback );
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}
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};
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var logError = function( message ) {
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|
|
|
if ( window.console ) {
|
|
|
|
window.console.error( message );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
$.fn.slitslider = function( options ) {
|
|
|
|
var self = $.data( this, 'slitslider' );
|
|
|
|
if ( typeof options === 'string' ) {
|
|
|
|
var args = Array.prototype.slice.call( arguments, 1 );
|
|
|
|
this.each(function() {
|
|
|
|
if ( !self ) {
|
|
|
|
logError( "cannot call methods on slitslider prior to initialization; " +
|
|
"attempted to call method '" + options + "'" );
|
|
return;
|
|
|
|
}
|
|
|
|
if ( !$.isFunction( self[options] ) || options.charAt(0) === "_" ) {
|
|
|
|
logError( "no such method '" + options + "' for slitslider self" );
|
|
return;
|
|
|
|
}
|
|
|
|
self[ options ].apply( self, args );
|
|
|
|
});
|
|
|
|
}
|
|
else {
|
|
|
|
this.each(function() {
|
|
|
|
if ( self ) {
|
|
|
|
self._init();
|
|
|
|
}
|
|
else {
|
|
|
|
self = $.data( this, 'slitslider', new $.Slitslider( options, this ) );
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
return self;
|
|
|
|
};
|
|
|
|
} )( jQuery, window );
|