TMMU China/js/jquery slicebox
/**
* jquery.slicebox.js v1.1.0 * http://www.codrops.com * * Licensed under the MIT license. * http://www.opensource.org/licenses/mit-license.php * * Copyright 2012, Codrops * http://www.codrops.com */
- ( function( $, window, undefined ) {
'use strict';
/* * debouncedresize: special jQuery event that happens once after a window resize * * latest version and complete README available on Github: * https://github.com/louisremi/jquery-smartresize/blob/master/jquery.debouncedresize.js * * Copyright 2011 @louis_remi * Licensed under the MIT license. */ var $event = $.event, $special, resizeTimeout;
$special = $event.special.debouncedresize = { setup: function() { $( this ).on( "resize", $special.handler ); }, teardown: function() { $( this ).off( "resize", $special.handler ); }, handler: function( event, execAsap ) { // Save the context var context = this, args = arguments, dispatch = function() { // set correct event type event.type = "debouncedresize"; $event.dispatch.apply( context, args ); };
if ( resizeTimeout ) { clearTimeout( resizeTimeout ); }
execAsap ? dispatch() : resizeTimeout = setTimeout( dispatch, $special.threshold ); }, threshold: 50 };
// ======================= imagesLoaded Plugin =============================== // https://github.com/desandro/imagesloaded
// $('#my-container').imagesLoaded(myFunction) // execute a callback when all images have loaded. // needed because .load() doesn't work on cached images
// callback function gets image collection as argument // this is the container
// original: mit license. paul irish. 2010. // contributors: Oren Solomianik, David DeSandro, Yiannis Chatzikonstantinou
// blank image data-uri bypasses webkit log warning (thx doug jones) var BLANK = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==';
$.fn.imagesLoaded = function( callback ) { var $this = this, deferred = $.isFunction($.Deferred) ? $.Deferred() : 0, hasNotify = $.isFunction(deferred.notify), $images = $this.find('img').add( $this.filter('img') ), loaded = [], proper = [], broken = [];
// Register deferred callbacks if ($.isPlainObject(callback)) { $.each(callback, function (key, value) { if (key === 'callback') { callback = value; } else if (deferred) { deferred[key](value); } }); }
function doneLoading() { var $proper = $(proper), $broken = $(broken);
if ( deferred ) { if ( broken.length ) { deferred.reject( $images, $proper, $broken ); } else { deferred.resolve( $images ); } }
if ( $.isFunction( callback ) ) { callback.call( $this, $images, $proper, $broken ); } }
function imgLoaded( img, isBroken ) { // don't proceed if BLANK image, or image is already loaded if ( img.src === BLANK || $.inArray( img, loaded ) !== -1 ) { return; }
// store element in loaded images array loaded.push( img );
// keep track of broken and properly loaded images if ( isBroken ) { broken.push( img ); } else { proper.push( img ); }
// cache image and its state for future calls $.data( img, 'imagesLoaded', { isBroken: isBroken, src: img.src } );
// trigger deferred progress method if present if ( hasNotify ) { deferred.notifyWith( $(img), [ isBroken, $images, $(proper), $(broken) ] ); }
// call doneLoading and clean listeners if all images are loaded if ( $images.length === loaded.length ){ setTimeout( doneLoading ); $images.unbind( '.imagesLoaded' ); } }
// if no images, trigger immediately if ( !$images.length ) { doneLoading(); } else { $images.bind( 'load.imagesLoaded error.imagesLoaded', function( event ){ // trigger imgLoaded imgLoaded( event.target, event.type === 'error' ); }).each( function( i, el ) { var src = el.src;
// find out if this image has been already checked for status // if it was, and src has not changed, call imgLoaded on it var cached = $.data( el, 'imagesLoaded' ); if ( cached && cached.src === src ) { imgLoaded( el, cached.isBroken ); return; }
// if complete is true and browser supports natural sizes, try // to check for image status manually if ( el.complete && el.naturalWidth !== undefined ) { imgLoaded( el, el.naturalWidth === 0 || el.naturalHeight === 0 ); return; }
// cached images don't fire load sometimes, so we reset src, but only when // dealing with IE, or image is complete (loaded) and failed manual check // webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f if ( el.readyState || el.complete ) { el.src = BLANK; el.src = src; } }); }
return deferred ? deferred.promise( $this ) : $this; };
// global var $window = $( window ), Modernizr = window.Modernizr;
$.Slicebox = function( options, element ) {
this.$el = $( element ); this._init( options );
};
$.Slicebox.defaults = { // (v)ertical, (h)orizontal or (r)andom orientation : 'v', // perspective value perspective : 1200, // number of slices / cuboids // needs to be an odd number 15 => number > 0 (if you want the limit higher, change the _validate function). cuboidsCount : 5, // if true then the number of slices / cuboids is going to be random (cuboidsCount is overwitten) cuboidsRandom : false, // the range of possible number of cuboids if cuboidsRandom is true // it is strongly recommended that you do not set a very large number :) maxCuboidsCount : 5, // each cuboid will move x pixels left / top (depending on orientation). The middle cuboid doesn't move. the middle cuboid's neighbors will move disperseFactor pixels disperseFactor : 0, // color of the hidden sides colorHiddenSides : '#222', // the animation will start from left to right. The left most cuboid will be the first one to rotate // this is the interval between each rotation in ms sequentialFactor : 150, // animation speed // this is the speed that takes "1" cuboid to rotate speed : 600, // transition easing easing : 'ease', // if true the slicebox will start the animation automatically autoplay : true, // time (ms) between each rotation, if autoplay is true interval: 5000, // the fallback will just fade out / fade in the items // this is the time fr the fade effect fallbackFadeSpeed : 300, // callbacks onBeforeChange : function( position ) { return false; }, onAfterChange : function( position ) { return false; }, onReady : function() { return false; } };
$.Slicebox.prototype = {
_init : function( options ) {
// options this.options = $.extend( true, {}, $.Slicebox.defaults, options );
this._validate();
// all the items this.$items = this.$el.children( 'li' );
// total number of items this.itemsCount = this.$items.length; // if there's no items return if(this.itemsCount === 0 ) {
return false;
};
// suport for css 3d transforms and css transitions this.support = Modernizr.csstransitions && Modernizr.csstransforms3d;
// current image index this.current = 0;
// control if the slicebox is animating this.isAnimating = false;
// control if slicebox is ready (all images loaded) this.isReady = false;
// preload the images var self = this; this.$el.imagesLoaded( function() {
// we need to hide the items except first one (current default value) var $current = self.$items.eq( self.current ).css( 'display', 'block' ).addClass( 'sb-current' );
// get real size of image var i = new Image(); i.src = $current.find( 'img' ).attr( 'src' ); self.realWidth = i.width;
// assuming all images with same size self._setSize(); self._setStyle(); self._initEvents();
self.options.onReady(); self.isReady = true;
if( self.options.autoplay ) {
self._startSlideshow();
}
});
}, _validate : function( options ) {
if( this.options.cuboidsCount < 0 ){
this.options.cuboidsCount = 1;
} else if( this.options.cuboidsCount > 15 ) {
this.options.cuboidsCount = 15;
} else if( this.options.cuboidsCount %2 === 0 ) {
++this.options.cuboidsCount;
}
if( this.options.maxCuboidsCount < 0 ){
this.options.maxCuboidsCount = 1;
} else if( this.options.maxCuboidsCount > 15 ) {
this.options.maxCuboidsCount = 15;
} else if( this.options.maxCuboidsCount %2 === 0 ) {
++this.options.maxCuboidsCount;
}
if( this.options.disperseFactor < 0 ) {
this.options.disperseFactor = 0;
}
if( this.options.orientation !== 'v' && this.options.orientation !== 'h' && this.options.orientation !== 'r' ) {
this.options.orientation = 'v';
}
}, _setSize : function() {
var $visible = this.$items.eq( this.current ).find( 'img' );
this.size = { width : $visible.width(), height : $visible.height() };
}, _setStyle : function() {
// max-width is the real size of the images this.$el.css( { 'max-width' : this.realWidth } );
}, _initEvents : function() {
var self = this;
$window.on( 'debouncedresize.slicebox', function( event ) {
// assuming all images with same size self._setSize();
} );
}, _startSlideshow: function() {
var self = this;
this.slideshow = setTimeout( function() {
self._navigate( 'next' );
if ( self.options.autoplay ) {
self._startSlideshow();
}
}, this.options.interval );
}, _stopSlideshow: function() {
if ( this.options.autoplay ) {
clearTimeout( this.slideshow ); this.isPlaying = false; this.options.autoplay = false;
}
}, _navigate : function( dir, pos ) {
if( this.isAnimating || !this.isReady || this.itemsCount < 2 ) {
return false;
}
this.isAnimating = true;
// current item's index this.prev = this.current;
// if position is passed if( pos !== undefined ) {
this.current = pos;
} // if not check the boundaries else if( dir === 'next' ) {
this.current = this.current < this.itemsCount - 1 ? this.current + 1 : 0;
} else if( dir === 'prev' ) {
this.current = this.current > 0 ? this.current - 1 : this.itemsCount - 1;
}
// callback trigger this.options.onBeforeChange( this.current );
if( !this.support ) {
this._fade( dir );
} else {
this._layout( dir ); this._rotate();
}
}, _fade : function( dir ) {
var self = this, $visible = this.$items.eq( this.prev ), h = $visible.find( 'img' ).height();
this.$el.css( 'height', h ); this.$items.css( 'position', 'absolute' );
this.$items.eq( this.current ).fadeIn( this.options.fallbackFadeSpeed, function() {
$( this ).css( 'display', 'block' ).addClass( 'sb-current' ); self.$el.css( 'height', 'auto' ); self.$items.css( 'position', 'relative' ); self.isAnimating = false;
} ); self.$items.eq( self.prev ).removeClass( 'sb-current' ).fadeOut( this.options.fallbackFadeSpeed );
}, _layout : function( dir ) {
// create a structure like this and append it to the main container (this.$el):
//// ... number of slices defined in options
//var orientation = this.options.orientation;
if( orientation === 'r' ) {
orientation = Math.floor( Math.random() * 2 ) === 0 ? 'v' : 'h';
}
if( this.options.cuboidsRandom ) {
this.options.cuboidsCount = Math.floor( Math.random() * this.options.maxCuboidsCount + 1 );
}
this._validate();
var boxStyle = { 'width' : this.size.width, 'height' : this.size.height, 'perspective' : this.options.perspective + 'px' }, config = $.extend( this.options, { size : this.size, items : this.$items, direction : dir, prev : this.prev, current : this.current, o : orientation } ), self = this;
this.$box = $('this.cuboids = [];
this.$el.css( 'overflow', 'visible' );
for( var i = 0; i < this.options.cuboidsCount; ++i ) {
var cuboid = new $.Cuboid( config, i );
this.$box.append( cuboid.getEl() );
this.cuboids.push( cuboid );
}
}, _rotate : function() {
// hide current item this.$items.eq( this.prev ).removeClass( 'sb-current' ).hide();
for( var i = 0; i < this.options.cuboidsCount; ++i ) {
var cuboid = this.cuboids[ i ], self = this;
cuboid.rotate( function( pos ) {
if( pos === self.options.cuboidsCount - 1 ) {
self.$el.css( 'overflow', 'hidden' ); self.isAnimating = false; self.$box.remove(); var $current = self.$items.eq( self.current ); $current.css( 'display', 'block' ); // show() makes it inline style setTimeout(function() { $current.addClass( 'sb-current' ); } , 0 ); self.options.onAfterChange( self.current );
}
});
}
}, _destroy : function( callback ) {
this.$el.off( '.slicebox' ).removeData( 'slicebox' ); $window.off( '.slicebox' ); callback.call();
}, // public methos: adds more items to the slicebox add : function( $items, callback ) {
this.$items = this.$items.add( $items ); this.itemsCount = this.$items.length;
if ( callback ) {
callback.call( $items );
}
}, // public method: shows next image next : function() {
this._stopSlideshow(); this._navigate( 'next' );
}, // public method: shows previous image previous : function() {
this._stopSlideshow(); this._navigate( 'prev' );
}, // public method: goes to a specific image jump : function( pos ) {
pos -= 1;
if( pos === this.current || pos >= this.itemsCount || pos < 0 ) {
return false;
}
this._stopSlideshow(); this._navigate( pos > this.current ? 'next' : 'prev', pos );
}, // public method: starts the slideshow // any call to next(), previous() or jump() will stop the slideshow play : function() {
if( !this.isPlaying ) {
this.isPlaying = true;
this._navigate( 'next' ); this.options.autoplay = true; this._startSlideshow();
}
}, // publicc methos: pauses the slideshow pause : function() {
if( this.isPlaying ) {
this._stopSlideshow();
}
}, // public method: check if isAnimating is true isActive : function() {
return this.isAnimating;
}, // publicc methos: destroys the slicebox instance destroy : function( callback ) {
this._destroy( callback );
}
};
$.Cuboid = function( config, pos ) {
this.config = config; this.pos = pos; this.side = 1; this._setSize(); this._configureStyles();
};
$.Cuboid.prototype = {
_setSize : function() {
this.size = { width : this.config.o === 'v' ? Math.floor( this.config.size.width / this.config.cuboidsCount ) : this.config.size.width, height : this.config.o === 'v' ? this.config.size.height : Math.floor( this.config.size.height / this.config.cuboidsCount ) }; // extra space to fix gaps this.extra = this.config.o === 'v' ? this.config.size.width - ( this.size.width * this.config.cuboidsCount ) : this.config.size.height - ( this.size.height * this.config.cuboidsCount );
}, _configureStyles : function() {
// style for the cuboid element // set z-indexes based on the cuboid's position var middlepos = Math.ceil( this.config.cuboidsCount / 2 ), positionStyle = this.pos < middlepos ? { zIndex : ( this.pos + 1 ) * 100, left : ( this.config.o === 'v' ) ? this.size.width * this.pos : 0, top : ( this.config.o === 'v' ) ? 0 : this.size.height * this.pos } : { zIndex : (this.config.cuboidsCount - this.pos) * 100, left : ( this.config.o === 'v' ) ? this.size.width * this.pos : 0, top : ( this.config.o === 'v' ) ? 0 : this.size.height * this.pos };
// how much this cuboid is going to move (left or top values) this.disperseFactor = this.config.disperseFactor * ( ( this.pos + 1 ) - middlepos );
this.style = $.extend( { '-webkit-transition' : '-webkit-transform ' + this.config.speed + 'ms ' + this.config.easing, '-moz-transition' : '-moz-transform ' + this.config.speed + 'ms ' + this.config.easing, '-o-transition' : '-o-transform ' + this.config.speed + 'ms ' + this.config.easing, '-ms-transition' : '-ms-transform ' + this.config.speed + 'ms ' + this.config.easing, 'transition' : 'transform ' + this.config.speed + 'ms ' + this.config.easing }, positionStyle, this.size );
this.animationStyles = { side1 : ( this.config.o === 'v' ) ? { 'transform' : 'translate3d( 0, 0, -' + ( this.size.height / 2 ) + 'px )' } : { 'transform' : 'translate3d( 0, 0, -' + ( this.size.width / 2 ) + 'px )' }, side2 : ( this.config.o === 'v' ) ? { 'transform' : 'translate3d( 0, 0, -' + ( this.size.height / 2 ) + 'px ) rotate3d( 1, 0, 0, -90deg )' } : { 'transform' : 'translate3d( 0, 0, -' + ( this.size.width / 2 ) + 'px ) rotate3d( 0, 1, 0, -90deg )' }, side3 : ( this.config.o === 'v' ) ? { 'transform' : 'translate3d( 0, 0, -' + ( this.size.height / 2 ) + 'px ) rotate3d( 1, 0, 0, -180deg )' } : { 'transform' : 'translate3d( 0, 0, -' + ( this.size.width / 2 ) + 'px ) rotate3d( 0, 1, 0, -180deg )' }, side4 : ( this.config.o === 'v' ) ? { 'transform' : 'translate3d( 0, 0, -' + ( this.size.height / 2 ) + 'px ) rotate3d( 1, 0, 0, -270deg )' } : { 'transform' : 'translate3d( 0, 0, -' + ( this.size.width / 2 ) + 'px ) rotate3d( 0, 1, 0, -270deg )' } };
var measure = ( this.config.o === 'v' ) ? this.size.height : this.size.width;
this.sidesStyles = { frontSideStyle : { width : ( this.config.o === 'v' ) ? this.size.width + this.extra : this.size.width, height : ( this.config.o === 'v' ) ? this.size.height : this.size.height + this.extra, backgroundColor : this.config.colorHiddenSides, transform : 'rotate3d( 0, 1, 0, 0deg ) translate3d( 0, 0, ' + ( measure / 2 ) + 'px )' }, backSideStyle : { width : this.size.width, height : this.size.height, backgroundColor : this.config.colorHiddenSides, transform : 'rotate3d( 0, 1, 0, 180deg ) translate3d( 0, 0, ' + ( measure / 2 ) + 'px ) rotateZ( 180deg )' }, rightSideStyle : { width : measure, height : ( this.config.o === 'v' ) ? this.size.height : this.size.height + this.extra, left : ( this.config.o === 'v' ) ? this.size.width / 2 - this.size.height / 2 : 0, backgroundColor : this.config.colorHiddenSides, transform : 'rotate3d( 0, 1, 0, 90deg ) translate3d( 0, 0, ' + ( this.size.width / 2 ) + 'px )' }, leftSideStyle : { width : measure, height : ( this.config.o === 'v' ) ? this.size.height : this.size.height + this.extra, left : ( this.config.o === 'v' ) ? this.size.width / 2 - this.size.height / 2 : 0, backgroundColor : this.config.colorHiddenSides, transform : 'rotate3d( 0, 1, 0, -90deg ) translate3d( 0, 0, ' + ( this.size.width / 2 ) + 'px )' }, topSideStyle : { width : ( this.config.o === 'v' ) ? this.size.width + this.extra : this.size.width, height : measure, top : ( this.config.o === 'v' ) ? 0 : this.size.height / 2 - this.size.width / 2, backgroundColor : this.config.colorHiddenSides, transform : 'rotate3d( 1, 0, 0, 90deg ) translate3d( 0, 0, ' + ( this.size.height / 2 ) + 'px )' }, bottomSideStyle : { width : ( this.config.o === 'v' ) ? this.size.width + this.extra : this.size.width, height : measure, top : ( this.config.o === 'v' ) ? 0 : this.size.height / 2 - this.size.width / 2, backgroundColor : this.config.colorHiddenSides, transform : 'rotate3d( 1, 0, 0, -90deg ) translate3d( 0, 0, ' + ( this.size.height / 2 ) + 'px )' } };
}, getEl : function() {
this.$el = $('<div/>').css( this.style ) .css( this.animationStyles.side1 ) .append( $('<div/>').addClass('sb-side').css( this.sidesStyles.frontSideStyle ) ) .append( $('<div/>').addClass('sb-side').css( this.sidesStyles.backSideStyle ) ) .append( $('<div/>').addClass('sb-side').css( this.sidesStyles.rightSideStyle ) ) .append( $('<div/>').addClass('sb-side').css( this.sidesStyles.leftSideStyle ) ) .append( $('<div/>').addClass('sb-side').css( this.sidesStyles.topSideStyle ) ) .append( $('<div/>').addClass('sb-side').css( this.sidesStyles.bottomSideStyle ) );
this._showImage( this.config.prev );
return this.$el;
}, _showImage : function( imgPos ) {
var sideIdx, $item = this.config.items.eq( imgPos ), imgParam = { 'background-size' : this.config.size.width + 'px ' + this.config.size.height + 'px' };
imgParam.backgroundImage = 'url(' + $item.find( 'img' ).attr('src') + ')';
switch( this.side ) {
case 1 : sideIdx = 0; break; case 2 : sideIdx = ( this.config.o === 'v' ) ? 4 : 2; break; case 3 : sideIdx = 1; break; case 4 : sideIdx = ( this.config.o === 'v' ) ? 5 : 3; break;
};
imgParam.backgroundPosition = ( this.config.o === 'v' ) ? - ( this.pos * this.size.width ) + 'px 0px' : '0px -' + ( this.pos * this.size.height ) + 'px'; this.$el.children().eq( sideIdx ).css( imgParam );
}, rotate : function( callback ) {
var self = this, animationStyle;
setTimeout(function() {
if( self.config.direction === 'next' ) {
switch( self.side ) { case 1 : animationStyle = self.animationStyles.side2; self.side = 2; break; case 2 : animationStyle = self.animationStyles.side3; self.side = 3; break; case 3 : animationStyle = self.animationStyles.side4; self.side = 4; break; case 4 : animationStyle = self.animationStyles.side1; self.side = 1; break; };
} else {
switch( self.side ) { case 1 : animationStyle = self.animationStyles.side4; self.side = 4; break; case 2 : animationStyle = self.animationStyles.side1; self.side = 1; break; case 3 : animationStyle = self.animationStyles.side2; self.side = 2; break; case 4 : animationStyle = self.animationStyles.side3; self.side = 3; break; };
}
self._showImage( self.config.current );
var animateOut = {}, animateIn = {};
if( self.config.o === 'v' ) {
animateOut.left = '+=' + self.disperseFactor + 'px'; animateIn.left = '-=' + self.disperseFactor + 'px';
} else if( self.config.o === 'h' ) {
animateOut.top = '+=' + self.disperseFactor + 'px'; animateIn.top = '-=' + self.disperseFactor + 'px';
}
self.$el.css( animationStyle ).animate( animateOut, self.config.speed / 2 ).animate( animateIn, self.config.speed / 2 , function() {
if( callback ) {
callback.call( self, self.pos );
}
});
}, this.config.sequentialFactor * this.pos + 30 );
}
};
var logError = function( message ) {
if ( window.console ) {
window.console.error( message );
}
};
$.fn.slicebox = function( options ) {
var self = $.data( this, 'slicebox' );
if ( typeof options === 'string' ) {
var args = Array.prototype.slice.call( arguments, 1 );
this.each(function() {
if ( !self ) {
logError( "cannot call methods on slicebox prior to initialization; " + "attempted to call method '" + options + "'" ); return;
}
if ( !$.isFunction( self[options] ) || options.charAt(0) === "_" ) {
logError( "no such method '" + options + "' for slicebox self" ); return;
}
self[ options ].apply( self, args );
});
} else {
this.each(function() {
if ( self ) {
self._init();
} else {
self = $.data( this, 'slicebox', new $.Slicebox( options, this ) );
}
});
}
return self;
};
} )( jQuery, window );