,
and other stuff
nextclick:false, // bind content click next slide
playclick:false, // bind content click play/stop
playhover:false, // bind content hover play/stop
playhoverr:false, // bind content hover stop/play (reverse of playhover)
playframe:true, // show frame "Play Now!"
loadframe:true, // show frame with "loading"
fullscreen:false, // in full window size
imgresize:false, // resize image to slideshow window
imgzoom:true, // zoom image to slideshow window (for smaller side)
imgcenter:true, // set image to center
imgajax:true, // load images from links
imglink:true, // go to external link by click
linkajax:false, // load html from links
help:'Plugin homepage: (a)Slideshow
'+
'Author homepage: Anton Shevchuk',
controls :{ // show/hide controls elements
'hide':true, // show controls bar on mouse hover
'first':true, // goto first frame
'prev':true, // goto previouse frame (if it first go to last)
'play':true, // play slideshow
'next':true, // goto next frame (if it last go to first)
'last':true, // goto last frame
'help':true, // show help message
'counter':true // show slide counter
}
};
/**
* Create a new instance of slideshow.
*
* @classDescription This class creates a new slideshow and manipulate it
*
* @return {Object} Returns a new slideshow object.
* @constructor
*/
$.fn.slideshow = function(settings) {
var _slideshow = this;
/*
* Construct
*/
this.each(function(){
var ext = $(this);
this.playId = null;
this.playFlag = false;
this.playFrame = false;
this.goToFlag = false;
this.length = 0;
this.inited = new Array();
this.titles = new Array();
/**
* Build Html
* @method
*/
this.build = function () {
var _self = this;
ext.wrapInner('
');
ext = ext.find('.slideshow');
// filter content
if (this.options.filter) {
ext.find('.slideshow-content > br').remove();
ext.find('.slideshow-content > p:empty').remove();
ext.find('.slideshow-content > div:empty').remove();
}
// fullscreen
if (this.options.fullscreen) {
$('body').css({overflow:'hidden', padding:0});
this.options.width = $(window).width();
this.options.height = ($(window).height()>$(document).height())?$(window).height():$(document).height();
ext.addClass('slideshow-fullscreen');
}
this.length = ext.find('.slideshow-content > *').length;
// build title
if (this.options.title) {
ext.prepend('
');
if (!this.options.titleshow) {
ext.find('.slideshow-label-place').hover(function(){
$(this).find('.slideshow-label').fadeIn();
}, function() {
$(this).find('.slideshow-label').fadeOut();
});
ext.find('.slideshow-label').hide();
}
ext.find('.slideshow-label-place').css('width', this.options.width);
}
// build panel
if (this.options.panel) {
ext.append('
');
panel = ext.find('.slideshow-panel');
if (this.options.controls.first)
panel.append('
First');
if (this.options.controls.prev)
panel.append('
Prev');
if (this.options.controls.play)
panel.append('
Play');
if (this.options.controls.next)
panel.append('
Next');
if (this.options.controls.last)
panel.append('
Last');
if (this.options.controls.help) {
panel.append('
Help');
panel.prepend('
'+this.options.help+'
');
}
if (this.options.controls.counter) {
panel.append('
'+(this.options.index+1)+' / '+this.length+'');
}
if (this.options.controls.hide) {
ext.find('.slideshow-panel-place').hover(function(){
$(this).find('.slideshow-panel').fadeIn();
}, function() {
$(this).find('.slideshow-panel').fadeOut();
});
panel.hide();
}
ext.find('.slideshow-panel-place').css('width', this.options.width);
}
/**
* Set Size Options
*/
ext.css({width:this.options.width,height:this.options.height});
var content = ext.find('.slideshow-content');
content.css({width:this.options.width,height:this.options.height});
// add playframe
if (this.options.playframe) {
this.playFrame = true;
ext.append('
');
}
// add loadframe
if (this.options.loadframe) {
ext.append('
');
}
ext.find('.slideshow-shadow').css({width:this.options.width,height:this.options.height});
// bind all events
this.events();
// wrap children
ext.find('.slideshow-content > *').each(function(){
$(this).wrap('
');
});
// check play option
if (this.options.play) {
this.play();
}
// init slide (replace by ajax etc)
this.init(this.options.index);
// show slide
ext.find('.slideshow-slide:eq('+this.options.index+')').show();
// update label
this._label();
// init checker
if (this.options.history) {
setInterval(function(){
_self._check()
}, 300);
}
return true;
};
/**
* Init N-slide
* @method
* @param {Integer} index
* @param {Boolean} next
*/
this.init = function (index) {
// initialize only ones
for (var i = 0, loopCnt = this.inited.length; i < loopCnt; i++) {
if (this.inited[i] === index) {
return true;
}
}
// index to inited stack
this.inited.push(index);
// current slide
slide = ext.find('.slideshow-slide:eq('+index+')');
var _self = this;
var title = '';
var link = false;
var name = slide.contents().attr('name');
if (name != '') {
var rename = new RegExp("^((https?|ftp):\/\/)", "i");
if (rename.test(name)) {
link = name;
}
}
/**
* Replace A to content from HREF
*/
if (slide.contents().is('a')) {
var href = slide.contents().attr('href');
var domain = document.domain;
domain = domain.replace(/\./i,"\."); // for strong check domain name
var reimage = new RegExp("\.(png|gif|jpg|jpeg|svg)$", "i");
var relocal = new RegExp("^((https?:\/\/"+domain+")|(?!http:\/\/))", "i");
title = slide.contents().attr('title');
if (title.length == 0) title = slide.contents().html();
title = title.replace(/\"/i,'\''); // if you use single quotes for tag attribs
if (this.options.imgajax && reimage.test(href)) {
var img = new Image();
img.alt = title;
this._load($(img), href, index);
slide.contents().replaceWith(img);
} else if (this.options.linkajax && relocal.test(href)) {
$.get(href, function(data){
_self.goToSlide(index);
slide.contents().replaceWith('
'+data+'
');
});
} else {
this.goToSlide(index); // why?
}
} else {
if (slide.contents().is("img")) {
if ($.browser.msie) {
var img = new Image();
img.alt = slide.contents().attr("alt");
this._load($(img), slide.contents().attr("src"), index);
slide.contents().replaceWith(img);
} else {
this._load(slide.contents(), slide.contents().attr("src"), index);
}
} else {
this.goToSlide(index);
}
if (slide.contents().attr('alt')) {
title = slide.contents().attr('alt');
} else if (slide.contents().attr('title')) {
title = slide.contents().attr('title');
} else if (slide.find('label:first').length>0) {
slide.find('label:first').hide();
title = slide.find('label:first').html();
}
}
if (link) title = '
'+title+'';
this.titles[index] = title;
/**
* Go to external link by click
*/
if (this.options.imglink && link) {
$(slide).css({cursor:'pointer'})
.click(function(){
document.location = link;
return false;
});
}
/**
* Play/stop on content click (like image and other)
*/
if (this.options.playclick)
$(slide).css({cursor:'pointer'})
.click(function(){
if (_self.playId) {
_self.stop();
} else {
_self.play();
}
return false;
});
return false;
};
/**
* Load Image
*
* @param {Jquery} img
* @param {String} src
* @param {Integer} index
* @return {Jquery} img
*/
this._load = function (img, src, index) {
// console.log('Load image '+img);
var _load = ext.find('.slideshow-load').show();
var _self = this;
img.load(function(){
_self._zoom(img);
_self._resize(img);
_self._center(img);
_self.goToSlide(index);
_load.hide();
}).error(function(){
// TODO: notify the user that the image could not be loaded
_load.hide();
})
.attr('src', src);
// fix for stupid browsers
if (img.get(0).complete) {
_self._zoom(img);
_self._resize(img);
_self._center(img);
_self.goToSlide(index);
_load.hide();
}
return img;
};
/**
* Resize Image
* @param {Jquery} el
* @return {Jquery} el
*/
this._resize = function (el) {
if (!this.options.imgresize && !this.options.fullscreen) return false;
el.get(0).width = this.options.width;
el.get(0).height = this.options.height;
el.css({width:this.options.width,height:this.options.height});
return el;
};
/**
* Zoom Image
* @param {Jquery} el
* @return {Jquery} el
*/
this._zoom = function (el) {
if (!this.options.imgzoom) return false;
var nWidth = el.get(0).width;
var nHeight = el.get(0).height;
var Kw = this.options.width / nWidth;
var Kh = this.options.height / nHeight;
var K = (Kh > Kw) ? Kh : Kw;
nWidth = nWidth * K;
nHeight = nHeight * K;
el.css({width:nWidth,height:nHeight});
el.get(0).width = nWidth;
el.get(0).height = nHeight;
return el;
};
/**
* Center Image
* @param {Jquery} el
* @return {Jquery} el
*/
this._center = function (el){
if (!this.options.imgcenter) return false;
var nWidth = el.get(0).width ? el.get(0).width : el.get(0).offsetWidth;
var nHeight = el.get(0).height ? el.get(0).height : el.get(0).offsetHeight;
var nLeft = 0;
var nTop = 0;
if (nWidth != this.options.width) {
nLeft = (Math.ceil((this.options.width - nWidth) / 2)) + 'px';
}
// Now make sure it isn't taller
if (nHeight != this.options.height) {
nTop = (Math.ceil((this.options.height - nHeight) / 2)) + 'px';
}
el.css({left:nLeft,top:nTop,position:'relative'});
return el;
};
/**
* Bind Events
*/
this.events = function() {
var _self = this;
/**
* Go to next slide on content click (optional)
*/
if (_self.options.nextclick)
ext.find('.slideshow-content').click(function(){
_self.stop();
_self.next();
return false;
});
/**
* Goto first slide button
*/
if (this.options.controls.first)
ext.find('a.first').click(function(){
_self.stop();
_self.goToSlide(0);
return false;
});
/**
* Goto previouse slide button
*/
if (this.options.controls.prev)
ext.find('a.prev').click(function(){
_self.stop();
_self.prev();
return false;
});
/**
* Play slideshow button
*/
if (this.options.controls.play)
ext.find('a.play').click(function(){
if (_self.playId) {
_self.stop();
} else {
_self.play();
}
return false;
});
/**
* Goto next slide button
*/
if (this.options.controls.next)
ext.find('a.next').click(function(){
_self.stop();
_self.next();
return false;
});
/**
* Goto last slide button
*/
if (this.options.controls.last)
ext.find('a.last').click(function(){
_self.stop();
_self.goToSlide(_self.length-1);
return false;
});
/**
* Show help message
*/
if (this.options.controls.help)
ext.find('a.help').click(function(){
_self.stop();
ext.find('.slideshow-help').slideToggle();
return false;
});
/**
* Show playframe
*/
if (this.options.playframe)
ext.find('.slideshow-frame').click(function(){
ext.find('.slideshow-frame').remove();
if (_self.options.playclick)
setTimeout(function(){ _self.play() }, _self.options.time);
return false;
});
/**
* Play/stop on slideshow hover
*/
if (this.options.playhover)
ext.hover(function(){
if (!_self.playId) {
_self.play();
}
}, function(){
if (_self.playId) {
_self.stop();
}
});
/**
* Stop/Play on slideshow hover
*/
if (this.options.playhoverr)
ext.hover(function(){
if (_self.playId) {
_self.stop();
}
}, function(){
if (!_self.playId) {
_self.play();
}
});
};
/**
* Update label of slide
* @method
*/
this._label = function () {
var title = this.getTitle();
if (this.options.callback) {
this.options.callback (this.options.index, title);
}
// always load label of slide
if (!this.options.title) return false;
ext.find('.slideshow-label').html(title);
};
/**
* Update page anchor
* @method
*/
this._hash = function () {
if (this.options.history) {
document.location.hash = 'slide-' + (this.options.index + 1);
}
};
/**
* Interval callback function
* need for history navigation
*/
this._check = function () {
// when animation in progress
if (this.goToFlag) {
return false;
}
// otherwise, check for location.hash
var hash = document.location.hash;
hash = hash.length?hash.substr(1):'';
/*
- check current url hash
- is empty
- goToSlide(0)
- is exist
- goToSlide(index)
*/
if (hash.length == 0) {
this.goToSlide(0);
} else {
var tester = new RegExp('slide-([0-9]+)', 'i');
if (!tester.test(hash)) {
// is not slideshow anchor
return false;
}
var index = tester.exec(hash);
if (index) {
index = parseInt(index[1])-1;
if (index >= 0
&& index < this.length
&& index != this.options.index ) {
// remove play frame
if (this.playFrame) {
$(this).find('.slideshow-frame').remove();
}
this.stop();
this.goToSlide(index);
}
}
}
};
/**
* Return title of current slide
* @method
*/
this.getTitle = function () {
return this.titles[this.options.index];
};
/**
* Goto previous slide
* @method
*/
this.prev = function () {
if (this.options.index == 0) {
i = (this.length-1);
} else {
i = this.options.index - 1;
}
this.goToSlide(i);
};
/**
* Play Slideshow
* @method
*/
this.play = function () {
var _self = this;
this.playFlag = true;
this.playId = setTimeout(function(){ _self.next() }, this.options.time);
ext.find('a.play').addClass('stop');
};
/**
* Play Slideshow
* @private
* @method
*/
this._play = function () {
var _self = this;
// if it last frame
if (this.options.index == (this.length-1) ) {
this.stop();
// should be restart slideshow
if ( this.options.loop ) {
this.play();
}
return false;
}
this.playId = setTimeout(function(){ _self.next(); }, this.options.time);
return true;
};
/**
* Stop Slideshow
* @method
*/
this.stop = function () {
this.playFlag = false;
ext.find('a.play').removeClass('stop');
clearTimeout(this.playId);
this.playId = null;
};
/**
* Goto next slide
* @method
*/
this.next = function () {
if (this.options.index == (this.length-1)) {
i = 0;
} else {
i = this.options.index + 1;
}
this.goToSlide(i);
};
/**
* Goto N-slide
* @method
* @param {Integer} n
*/
this.goToSlide = function(n) {
switch (true) {
case (this.options.index == n):
case (!this.init(n, true)):
return false;
default:
this.goToFlag = true;
this._goToSlide(n);
return true;
}
};
/**
* Goto N-slide
* @method
* @param {Integer} n
*/
this._goToSlide = function(n) {
var next = ext.find('.slideshow-content > *:eq('+n+')');
var prev = ext.find('.slideshow-content > *:eq('+this.options.index+')');
// restore next slide after all effects, set z-index = 0 for prev slide
prev.css({zIndex:0});
next.css({zIndex:1, top: 0, left: 0, opacity: 1, width: this.options.width, height: this.options.height});
this.options.index = n;
if (this.options.effect == 'random' ) {
var r = Math.random();
r = Math.floor(r*12);
} else {
r = -1;
}
// effect between slides
switch (true) {
case (r == 0 || this.options.effect == 'scrollUp'):
prev.css({width:'100%'});
next.css({top:0, height:0});
prevAni = {height: 0, top:this.options.height};
break;
case (r == 1 || this.options.effect == 'scrollDown'):
prev.css({width:'100%'});
next.css({top:this.options.height,height:0});
prevAni = {height: 0, top:0};
break;
case (r == 2 || this.options.effect == 'scrollRight'):
prev.css({right:0,left:'',height:'100%'});
next.css({right:'',left:0,height:'100%',width:'0%'});
prevAni = {width: 0};
break;
case (r == 3 || this.options.effect == 'scrollLeft'):
prev.css({right:'',left:0,height:'100%'});
next.css({right:0,left:'',height:'100%',width:'0%'});
prevAni = {width: 0};
break;
case (r == 4 || this.options.effect == 'growX'):
next.css({zIndex:2,opacity: 1,left: this.options.width/2, width: '0%', height:'100%'});
prevAni = {opacity: 0.8};
break;
case (r == 5 || this.options.effect == 'growY'):
next.css({opacity: 1,top: this.options.height/2, width:'100%', height: '0%'});
prevAni = {opacity: 0.8};
break;
case (r == 6 || this.options.effect == 'zoom'):
next.css({width: 0, height: 0, top: this.options.height/2, left: this.options.width/2});
prevAni = {width: 0, height: 0, top: this.options.height/2, left: this.options.width/2};
break;
case (r == 7 || this.options.effect == 'zoomFade'):
next.css({zIndex:1, opacity: 0,width: 0, height: 0, top: this.options.height/2, left: this.options.width/2});
prevAni = {opacity: 0, width: 0, height: 0, top: this.options.height/2, left: this.options.width/2};
break;
case (r == 8 || this.options.effect == 'zoomTL'):
next.css({zIndex:1, opacity: 0,width: this.options.width/2, height: this.options.height/2, top:0, left: 0});
prevAni = {opacity: 0, width: 0, height: 0, top: this.options.height, left: this.options.width};
break;
case (r == 9 || this.options.effect == 'zoomBR'):
next.css({zIndex:1, opacity: 0,width: this.options.width/2, height: this.options.height/2, top: this.options.height/2, left: this.options.width/2});
prevAni = {opacity: 0, width: 0, height: 0, top: 0, left: 0};
break;
case (r == 10 || this.options.effect == 'fade'):
default:
prev.css({zIndex:0, opacity: 1});
next.css({zIndex:1, opacity: 0});
prevAni = {opacity: 0};
break;
}
var _self = this;
prev.animate(prevAni,this.options.effecttime);
// play next slide animation, hide prev slide, update label, update counter
next.show().animate({top: 0, left: 0,opacity: 1, width: this.options.width, height: this.options.height}, this.options.effecttime, function () {
prev.hide();
if (_self.playFlag) _self._play();
_self._label();
_self._counter();
_self._hash();
_self.goToFlag = false;
});
};
/**
* Update counter data
* @method
*/
this._counter = function () {
if (this.options.controls.counter)
ext.find('.slideshow-panel span.counter').html((this.options.index+1) + ' / ' + this.length);
};
// Now initialize the slideshow
this.options = $.extend({}, defaults, settings);
if (typeof(settings) != 'undefined') {
if (typeof(settings.controls) != 'undefined')
this.options.controls = $.extend({}, defaults.controls, settings.controls);
}
this.build();
/**
* Show slideshow
*/
ext.show();
return ext;
});
/**
* external functions - append to $
*/
_slideshow.playSlide = function(){ _slideshow.each(function () { this.play(); }) };
_slideshow.stopSlide = function(){ _slideshow.each(function () { this.stop(); }) };
_slideshow.nextSlide = function(){ _slideshow.each(function () { this.next(); }) };
_slideshow.prevSlide = function(){ _slideshow.each(function () { this.prev(); }) };
_slideshow.getTitle = function(){ _slideshow.each(function () { this.getTitle(); }) };
_slideshow.goToSlide = function(n){ _slideshow.each(function () { this.goToSlide(n); }) };
return this;
}
})(jQuery);