Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- (function($) {
- var aux = {
- // navigates left / right
- navigate : function( dir, $el, $wrapper, opts, cache ) {
- var scroll = opts.scroll,
- factor = 1,
- idxClicked = 0;
- if( cache.expanded ) {
- scroll = 1; // scroll is always 1 in full mode
- factor = 3; // the width of the expanded item will be 3 times bigger than 1 collapsed item
- idxClicked = cache.idxClicked; // the index of the clicked item
- }
- // clone the elements on the right / left and append / prepend them according to dir and scroll
- if( dir === 1 ) {
- $wrapper.find('div.ca-item:lt(' + scroll + ')').each(function(i) {
- $(this).clone(true).css( 'left', ( cache.totalItems - idxClicked + i ) * cache.itemW * factor + 'px' ).appendTo( $wrapper );
- });
- }
- else {
- var $first = $wrapper.children().eq(0);
- $wrapper.find('div.ca-item:gt(' + ( cache.totalItems - 1 - scroll ) + ')').each(function(i) {
- // insert before $first so they stay in the right order
- $(this).clone(true).css( 'left', - ( scroll - i + idxClicked ) * cache.itemW * factor + 'px' ).insertBefore( $first );
- });
- }
- // animate the left of each item
- // the calculations are dependent on dir and on the cache.expanded value
- $wrapper.find('div.ca-item').each(function(i) {
- var $item = $(this);
- $item.stop().animate({
- left : ( dir === 1 ) ? '-=' + ( cache.itemW * factor * scroll ) + 'px' : '+=' + ( cache.itemW * factor * scroll ) + 'px'
- }, opts.sliderSpeed, opts.sliderEasing, function() {
- if( ( dir === 1 && $item.position().left < - idxClicked * cache.itemW * factor ) || ( dir === -1 && $item.position().left > ( ( cache.totalItems - 1 - idxClicked ) * cache.itemW * factor ) ) ) {
- // remove the item that was cloned
- $item.remove();
- }
- cache.isAnimating = false;
- });
- });
- },
- // opens an item (animation) -> opens all the others
- openItem : function( $wrapper, $item, opts, cache ) {
- cache.idxClicked = $item.index();
- // the item's position (1, 2, or 3) on the viewport (the visible items)
- cache.winpos = aux.getWinPos( $item.position().left, cache );
- $wrapper.find('div.ca-item').not( $item ).hide();
- $item.find('div.ca-content-wrapper').css( 'left', cache.itemW + 'px' ).stop().animate({
- width : (cache.itemW * 2) - 20 + 'px',
- left : cache.itemW + 'px'
- }, opts.itemSpeed, opts.itemEasing)
- .end()
- .stop()
- .animate({
- left : '0px'
- }, opts.itemSpeed, opts.itemEasing, function() {
- cache.isAnimating = false;
- cache.expanded = true;
- aux.openItems( $wrapper, $item, opts, cache );
- });
- },
- // opens all the items
- openItems : function( $wrapper, $openedItem, opts, cache ) {
- var openedIdx = $openedItem.index();
- $wrapper.find('div.ca-item').each(function(i) {
- var $item = $(this),
- idx = $item.index();
- if( idx !== openedIdx ) {
- $item.css( 'left', - ( openedIdx - idx ) * ( cache.itemW * 3 ) + 'px' ).show().find('div.ca-content-wrapper').css({
- left : cache.itemW + 'px',
- width : (cache.itemW * 2) - 20 + 'px',
- });
- // hide more link
- aux.toggleMore( $item, false );
- }
- });
- },
- // show / hide the item's more button
- toggleMore : function( $item, show ) {
- ( show ) ? $item.find('a.ca-more').show() : $item.find('a.ca-more').hide();
- },
- // close all the items
- // the current one is animated
- closeItems : function( $wrapper, $openedItem, opts, cache ) {
- var openedIdx = $openedItem.index();
- $openedItem.find('div.ca-content-wrapper').stop().animate({
- width : '0px'
- }, opts.itemSpeed, opts.itemEasing)
- .end()
- .stop()
- .animate({
- left : cache.itemW * ( cache.winpos - 1 ) + 'px'
- }, opts.itemSpeed, opts.itemEasing, function() {
- cache.isAnimating = false;
- cache.expanded = false;
- });
- // show more link
- aux.toggleMore( $openedItem, true );
- $wrapper.find('div.ca-item').each(function(i) {
- var $item = $(this),
- idx = $item.index();
- if( idx !== openedIdx ) {
- $item.find('div.ca-content-wrapper').css({
- width : '0px'
- })
- .end()
- .css( 'left', ( ( cache.winpos - 1 ) - ( openedIdx - idx ) ) * cache.itemW + 'px' )
- .show();
- // show more link
- aux.toggleMore( $item, true );
- }
- });
- },
- // gets the item's position (1, 2, or 3) on the viewport (the visible items)
- // val is the left of the item
- getWinPos : function( val, cache ) {
- switch( val ) {
- case 0 : return 1; break;
- case cache.itemW : return 2; break;
- case cache.itemW * 2 : return 3; break;
- }
- }
- },
- methods = {
- init : function( options ) {
- if( this.length ) {
- var settings = {
- sliderSpeed : 500, // speed for the sliding animation
- sliderEasing : 'easeOutExpo',// easing for the sliding animation
- itemSpeed : 500, // speed for the item animation (open / close)
- itemEasing : 'easeOutExpo',// easing for the item animation (open / close)
- scroll : 1 // number of items to scroll at a time
- };
- return this.each(function() {
- // if options exist, lets merge them with our default settings
- if ( options ) {
- $.extend( settings, options );
- }
- var $el = $(this),
- $wrapper = $el.find('div.ca-wrapper'),
- $items = $wrapper.children('div.ca-item'),
- cache = {};
- // save the with of one item
- cache.itemW = $items.width()+20;
- // save the number of total items
- cache.totalItems = $items.length;
- // add navigation buttons
- if( cache.totalItems > 3 )
- $el.prepend('<div class="ca-nav"><span class="ca-nav-prev">Previous</span><span class="ca-nav-next">Next</span></div>')
- // control the scroll value
- if( settings.scroll < 1 )
- settings.scroll = 1;
- else if( settings.scroll > 3 )
- settings.scroll = 3;
- var $navPrev = $el.find('span.ca-nav-prev'),
- $navNext = $el.find('span.ca-nav-next');
- // hide the items except the first 3
- $wrapper.css( 'overflow', 'hidden' );
- // the items will have position absolute
- // calculate the left of each item
- $items.each(function(i) {
- $(this).css({
- position : 'absolute',
- left : i * cache.itemW + 'px'
- });
- });
- // click to open the item(s)
- $el.find('a.ca-more').live('click.contentcarousel', function( event ) {
- if( cache.isAnimating ) return false;
- cache.isAnimating = true;
- $(this).hide();
- var $item = $(this).closest('div.ca-item');
- aux.openItem( $wrapper, $item, settings, cache );
- return false;
- });
- // click to close the item(s)
- $el.find('a.ca-close').live('click.contentcarousel', function( event ) {
- if( cache.isAnimating ) return false;
- cache.isAnimating = true;
- var $item = $(this).closest('div.ca-item');
- aux.closeItems( $wrapper, $item, settings, cache );
- return false;
- });
- // navigate left
- $navPrev.bind('click.contentcarousel', function( event ) {
- if( cache.isAnimating ) return false;
- cache.isAnimating = true;
- aux.navigate( -1, $el, $wrapper, settings, cache );
- });
- // navigate right
- $navNext.bind('click.contentcarousel', function( event ) {
- if( cache.isAnimating ) return false;
- cache.isAnimating = true;
- aux.navigate( 1, $el, $wrapper, settings, cache );
- });
- // adds events to the mouse
- $el.bind('mousewheel.contentcarousel', function(e, delta) {
- if(delta > 0) {
- if( cache.isAnimating ) return false;
- cache.isAnimating = true;
- aux.navigate( -1, $el, $wrapper, settings, cache );
- }
- else {
- if( cache.isAnimating ) return false;
- cache.isAnimating = true;
- aux.navigate( 1, $el, $wrapper, settings, cache );
- }
- return false;
- });
- });
- }
- }
- };
- $.fn.contentcarousel = 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 on jQuery.contentcarousel' );
- }
- };
- })(jQuery);
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement