"
Team:HFUT CHINA/jquery.nivo.slider.js
From 2014.igem.org
/*
* jQuery Nivo Slider v3.2 * http://nivo.dev7studios.com * * Copyright 2012, Dev7studios * Free to use and abuse under the MIT license. * http://www.opensource.org/licenses/mit-license.php */
(function($) {
var NivoSlider = function(element, options){
// Defaults are below
var settings = $.extend({}, $.fn.nivoSlider.defaults, options);
// Useful variables. Play carefully.
var vars = {
currentSlide: 0,
currentImage: ,
totalSlides: 0,
running: false,
paused: false,
stop: false,
controlNavEl: false
};
// Get this slider
var slider = $(element);
slider.data('nivo:vars', vars).addClass('nivoSlider');
// Find our slider children
var kids = slider.children();
kids.each(function() {
var child = $(this);
var link = ;
if(!child.is('img')){
if(child.is('a')){
child.addClass('nivo-imageLink');
link = child;
}
child = child.find('img:first');
}
// Get img width & height
var childWidth = (childWidth === 0) ? child.attr('width') : child.width(),
childHeight = (childHeight === 0) ? child.attr('height') : child.height();
if(link !== ){
link.css('display','none');
}
child.css('display','none');
vars.totalSlides++;
});
// If randomStart
if(settings.randomStart){
settings.startSlide = Math.floor(Math.random() * vars.totalSlides);
}
// Set startSlide
if(settings.startSlide > 0){
if(settings.startSlide >= vars.totalSlides) { settings.startSlide = vars.totalSlides - 1; }
vars.currentSlide = settings.startSlide;
}
// Get initial image
if($(kids[vars.currentSlide]).is('img')){
vars.currentImage = $(kids[vars.currentSlide]);
} else {
vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
}
// Show initial link
if($(kids[vars.currentSlide]).is('a')){
$(kids[vars.currentSlide]).css('display','block');
}
// Set first background
var sliderImg = $('<img/>').addClass('nivo-main-image');
sliderImg.attr('src', vars.currentImage.attr('src')).show();
slider.append(sliderImg);
// Detect Window Resize
$(window).resize(function() {
slider.children('img').width(slider.width());
sliderImg.attr('src', vars.currentImage.attr('src'));
sliderImg.stop().height('auto');
$('.nivo-slice').remove();
$('.nivo-box').remove();
});
//Create caption
slider.append($(''));
// Process caption function
var processCaption = function(settings){
var nivoCaption = $('.nivo-caption', slider);
if(vars.currentImage.attr('title') != && vars.currentImage.attr('title') != undefined){
var title = vars.currentImage.attr('title');
if(title.substr(0,1) == '#') title = $(title).html();
if(nivoCaption.css('display') == 'block'){
setTimeout(function(){
nivoCaption.html(title);
}, settings.animSpeed);
} else {
nivoCaption.html(title);
nivoCaption.stop().fadeIn(settings.animSpeed);
}
} else {
nivoCaption.stop().fadeOut(settings.animSpeed);
}
}
//Process initial caption
processCaption(settings);
// In the words of Super Mario "let's a go!"
var timer = 0;
if(!settings.manualAdvance && kids.length > 1){
timer = setInterval(function(){ nivoRun(slider, kids, settings, false); }, settings.pauseTime);
}
// Add Direction nav
if(settings.directionNav){
slider.append('<a class="nivo-prevNav">'+ settings.prevText +'</a><a class="nivo-nextNav">'+ settings.nextText +'</a>
');
$(slider).on('click', 'a.nivo-prevNav', function(){
if(vars.running) { return false; }
clearInterval(timer);
timer = ;
vars.currentSlide -= 2;
nivoRun(slider, kids, settings, 'prev');
});
$(slider).on('click', 'a.nivo-nextNav', function(){
if(vars.running) { return false; }
clearInterval(timer);
timer = ;
nivoRun(slider, kids, settings, 'next');
});
}
// Add Control nav
if(settings.controlNav){
vars.controlNavEl = $('');
slider.after(vars.controlNavEl);
for(var i = 0; i < kids.length; i++){
if(settings.controlNavThumbs){
vars.controlNavEl.addClass('nivo-thumbs-enabled');
var child = kids.eq(i);
if(!child.is('img')){
child = child.find('img:first');
}
if(child.attr('data-thumb')) vars.controlNavEl.append('<a class="nivo-control" rel="'+ i +'"><img src="'+ child.attr('data-thumb') +'" alt="" /></a>');
} else {
vars.controlNavEl.append('<a class="nivo-control" rel="'+ i +'">'+ (i + 1) +'</a>');
}
}
//Set initial active link
$('a:eq('+ vars.currentSlide +')', vars.controlNavEl).addClass('active');
$('a', vars.controlNavEl).bind('click', function(){
if(vars.running) return false;
if($(this).hasClass('active')) return false;
clearInterval(timer);
timer = ;
sliderImg.attr('src', vars.currentImage.attr('src'));
vars.currentSlide = $(this).attr('rel') - 1;
nivoRun(slider, kids, settings, 'control');
});
}
//For pauseOnHover setting
if(settings.pauseOnHover){
slider.hover(function(){
vars.paused = true;
clearInterval(timer);
timer = ;
}, function(){
vars.paused = false;
// Restart the timer
if(timer === && !settings.manualAdvance){
timer = setInterval(function(){ nivoRun(slider, kids, settings, false); }, settings.pauseTime);
}
});
}
// Event when Animation finishes
slider.bind('nivo:animFinished', function(){
sliderImg.attr('src', vars.currentImage.attr('src'));
vars.running = false;
// Hide child links
$(kids).each(function(){
if($(this).is('a')){
$(this).css('display','none');
}
});
// Show current link
if($(kids[vars.currentSlide]).is('a')){
$(kids[vars.currentSlide]).css('display','block');
}
// Restart the timer
if(timer === && !vars.paused && !settings.manualAdvance){
timer = setInterval(function(){ nivoRun(slider, kids, settings, false); }, settings.pauseTime);
}
// Trigger the afterChange callback
settings.afterChange.call(this);
});
// Add slices for slice animations
var createSlices = function(slider, settings, vars) {
if($(vars.currentImage).parent().is('a')) $(vars.currentImage).parent().css('display','block');
$('img[src="'+ vars.currentImage.attr('src') +'"]', slider).not('.nivo-main-image,.nivo-control img').width(slider.width()).css('visibility', 'hidden').show();
var sliceHeight = ($('img[src="'+ vars.currentImage.attr('src') +'"]', slider).not('.nivo-main-image,.nivo-control img').parent().is('a')) ? $('img[src="'+ vars.currentImage.attr('src') +'"]', slider).not('.nivo-main-image,.nivo-control img').parent().height() : $('img[src="'+ vars.currentImage.attr('src') +'"]', slider).not('.nivo-main-image,.nivo-control img').height();
for(var i = 0; i < settings.slices; i++){
var sliceWidth = Math.round(slider.width()/settings.slices);
if(i === settings.slices-1){
slider.append(
$('<img src="'+ vars.currentImage.attr('src') +'" style="position:absolute; width:'+ slider.width() +'px; height:auto; display:block !important; top:0; left:-'+ ((sliceWidth + (i * sliceWidth)) - sliceWidth) +'px;" />
').css({
left:(sliceWidth*i)+'px',
width:(slider.width()-(sliceWidth*i))+'px',
height:sliceHeight+'px',
opacity:'0',
overflow:'hidden'
})
);
} else {
slider.append(
$('<img src="'+ vars.currentImage.attr('src') +'" style="position:absolute; width:'+ slider.width() +'px; height:auto; display:block !important; top:0; left:-'+ ((sliceWidth + (i * sliceWidth)) - sliceWidth) +'px;" />
').css({
left:(sliceWidth*i)+'px',
width:sliceWidth+'px',
height:sliceHeight+'px',
opacity:'0',
overflow:'hidden'
})
);
}
}
$('.nivo-slice', slider).height(sliceHeight);
sliderImg.stop().animate({
height: $(vars.currentImage).height()
}, settings.animSpeed);
};
// Add boxes for box animations
var createBoxes = function(slider, settings, vars){
if($(vars.currentImage).parent().is('a')) $(vars.currentImage).parent().css('display','block');
$('img[src="'+ vars.currentImage.attr('src') +'"]', slider).not('.nivo-main-image,.nivo-control img').width(slider.width()).css('visibility', 'hidden').show();
var boxWidth = Math.round(slider.width()/settings.boxCols),
boxHeight = Math.round($('img[src="'+ vars.currentImage.attr('src') +'"]', slider).not('.nivo-main-image,.nivo-control img').height() / settings.boxRows);
for(var rows = 0; rows < settings.boxRows; rows++){
for(var cols = 0; cols < settings.boxCols; cols++){
if(cols === settings.boxCols-1){
slider.append(
$('<img src="'+ vars.currentImage.attr('src') +'" style="position:absolute; width:'+ slider.width() +'px; height:auto; display:block; top:-'+ (boxHeight*rows) +'px; left:-'+ (boxWidth*cols) +'px;" />
').css({
opacity:0,
left:(boxWidth*cols)+'px',
top:(boxHeight*rows)+'px',
width:(slider.width()-(boxWidth*cols))+'px'
})
);
$('.nivo-box[name="'+ cols +'"]', slider).height($('.nivo-box[name="'+ cols +'"] img', slider).height()+'px');
} else {
slider.append(
$('<img src="'+ vars.currentImage.attr('src') +'" style="position:absolute; width:'+ slider.width() +'px; height:auto; display:block; top:-'+ (boxHeight*rows) +'px; left:-'+ (boxWidth*cols) +'px;" />
').css({
opacity:0,
left:(boxWidth*cols)+'px',
top:(boxHeight*rows)+'px',
width:boxWidth+'px'
})
);
$('.nivo-box[name="'+ cols +'"]', slider).height($('.nivo-box[name="'+ cols +'"] img', slider).height()+'px');
}
}
}
sliderImg.stop().animate({
height: $(vars.currentImage).height()
}, settings.animSpeed);
};
// Private run method
var nivoRun = function(slider, kids, settings, nudge){
// Get our vars
var vars = slider.data('nivo:vars');
// Trigger the lastSlide callback
if(vars && (vars.currentSlide === vars.totalSlides - 1)){
settings.lastSlide.call(this);
}
// Stop
if((!vars || vars.stop) && !nudge) { return false; }
// Trigger the beforeChange callback
settings.beforeChange.call(this);
// Set current background before change
if(!nudge){
sliderImg.attr('src', vars.currentImage.attr('src'));
} else {
if(nudge === 'prev'){
sliderImg.attr('src', vars.currentImage.attr('src'));
}
if(nudge === 'next'){
sliderImg.attr('src', vars.currentImage.attr('src'));
}
}
vars.currentSlide++;
// Trigger the slideshowEnd callback
if(vars.currentSlide === vars.totalSlides){
vars.currentSlide = 0;
settings.slideshowEnd.call(this);
}
if(vars.currentSlide < 0) { vars.currentSlide = (vars.totalSlides - 1); }
// Set vars.currentImage
if($(kids[vars.currentSlide]).is('img')){
vars.currentImage = $(kids[vars.currentSlide]);
} else {
vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
}
// Set active links
if(settings.controlNav){
$('a', vars.controlNavEl).removeClass('active');
$('a:eq('+ vars.currentSlide +')', vars.controlNavEl).addClass('active');
}
// Process caption
processCaption(settings);
// Remove any slices from last transition
$('.nivo-slice', slider).remove();
// Remove any boxes from last transition
$('.nivo-box', slider).remove();
var currentEffect = settings.effect,
anims = ;
// Generate random effect
if(settings.effect === 'random'){
anims = new Array('sliceDownRight','sliceDownLeft','sliceUpRight','sliceUpLeft','sliceUpDown','sliceUpDownLeft','fold','fade',
'boxRandom','boxRain','boxRainReverse','boxRainGrow','boxRainGrowReverse');
currentEffect = anims[Math.floor(Math.random()*(anims.length + 1))];
if(currentEffect === undefined) { currentEffect = 'fade'; }
}
// Run random effect from specified set (eg: effect:'fold,fade')
if(settings.effect.indexOf(',') !== -1){
anims = settings.effect.split(',');
currentEffect = anims[Math.floor(Math.random()*(anims.length))];
if(currentEffect === undefined) { currentEffect = 'fade'; }
}
// Custom transition as defined by "data-transition" attribute
if(vars.currentImage.attr('data-transition')){
currentEffect = vars.currentImage.attr('data-transition');
}
// Run effects
vars.running = true;
var timeBuff = 0,
i = 0,
slices = ,
firstSlice = ,
totalBoxes = ,
boxes = ;
if(currentEffect === 'sliceDown' || currentEffect === 'sliceDownRight' || currentEffect === 'sliceDownLeft'){
createSlices(slider, settings, vars);
timeBuff = 0;
i = 0;
slices = $('.nivo-slice', slider);
if(currentEffect === 'sliceDownLeft') { slices = $('.nivo-slice', slider)._reverse(); }
slices.each(function(){
var slice = $(this);
slice.css({ 'top': '0px' });
if(i === settings.slices-1){
setTimeout(function(){
slice.animate({opacity:'1.0' }, settings.animSpeed, , function(){ slider.trigger('nivo:animFinished'); });
}, (100 + timeBuff));
} else {
setTimeout(function(){
slice.animate({opacity:'1.0' }, settings.animSpeed);
}, (100 + timeBuff));
}
timeBuff += 50;
i++;
});
} else if(currentEffect === 'sliceUp' || currentEffect === 'sliceUpRight' || currentEffect === 'sliceUpLeft'){
createSlices(slider, settings, vars);
timeBuff = 0;
i = 0;
slices = $('.nivo-slice', slider);
if(currentEffect === 'sliceUpLeft') { slices = $('.nivo-slice', slider)._reverse(); }
slices.each(function(){
var slice = $(this);
slice.css({ 'bottom': '0px' });
if(i === settings.slices-1){
setTimeout(function(){
slice.animate({opacity:'1.0' }, settings.animSpeed, , function(){ slider.trigger('nivo:animFinished'); });
}, (100 + timeBuff));
} else {
setTimeout(function(){
slice.animate({opacity:'1.0' }, settings.animSpeed);
}, (100 + timeBuff));
}
timeBuff += 50;
i++;
});
} else if(currentEffect === 'sliceUpDown' || currentEffect === 'sliceUpDownRight' || currentEffect === 'sliceUpDownLeft'){
createSlices(slider, settings, vars);
timeBuff = 0;
i = 0;
var v = 0;
slices = $('.nivo-slice', slider);
if(currentEffect === 'sliceUpDownLeft') { slices = $('.nivo-slice', slider)._reverse(); }
slices.each(function(){
var slice = $(this);
if(i === 0){
slice.css('top','0px');
i++;
} else {
slice.css('bottom','0px');
i = 0;
}
if(v === settings.slices-1){
setTimeout(function(){
slice.animate({opacity:'1.0' }, settings.animSpeed, , function(){ slider.trigger('nivo:animFinished'); });
}, (100 + timeBuff));
} else {
setTimeout(function(){
slice.animate({opacity:'1.0' }, settings.animSpeed);
}, (100 + timeBuff));
}
timeBuff += 50;
v++;
});
} else if(currentEffect === 'fold'){
createSlices(slider, settings, vars);
timeBuff = 0;
i = 0;
$('.nivo-slice', slider).each(function(){
var slice = $(this);
var origWidth = slice.width();
slice.css({ top:'0px', width:'0px' });
if(i === settings.slices-1){
setTimeout(function(){
slice.animate({ width:origWidth, opacity:'1.0' }, settings.animSpeed, , function(){ slider.trigger('nivo:animFinished'); });
}, (100 + timeBuff));
} else {
setTimeout(function(){
slice.animate({ width:origWidth, opacity:'1.0' }, settings.animSpeed);
}, (100 + timeBuff));
}
timeBuff += 50;
i++;
});
} else if(currentEffect === 'fade'){
createSlices(slider, settings, vars);
firstSlice = $('.nivo-slice:first', slider);
firstSlice.css({
'width': slider.width() + 'px'
});
firstSlice.animate({ opacity:'1.0' }, (settings.animSpeed*2), , function(){ slider.trigger('nivo:animFinished'); });
} else if(currentEffect === 'slideInRight'){
createSlices(slider, settings, vars);
firstSlice = $('.nivo-slice:first', slider);
firstSlice.css({
'width': '0px',
'opacity': '1'
});
firstSlice.animate({ width: slider.width() + 'px' }, (settings.animSpeed*2), , function(){ slider.trigger('nivo:animFinished'); });
} else if(currentEffect === 'slideInLeft'){
createSlices(slider, settings, vars);
firstSlice = $('.nivo-slice:first', slider);
firstSlice.css({
'width': '0px',
'opacity': '1',
'left': ,
'right': '0px'
});
firstSlice.animate({ width: slider.width() + 'px' }, (settings.animSpeed*2), , function(){
// Reset positioning
firstSlice.css({
'left': '0px',
'right':
});
slider.trigger('nivo:animFinished');
});
} else if(currentEffect === 'boxRandom'){
createBoxes(slider, settings, vars);
totalBoxes = settings.boxCols * settings.boxRows;
i = 0;
timeBuff = 0;
boxes = shuffle($('.nivo-box', slider));
boxes.each(function(){
var box = $(this);
if(i === totalBoxes-1){
setTimeout(function(){
box.animate({ opacity:'1' }, settings.animSpeed, , function(){ slider.trigger('nivo:animFinished'); });
}, (100 + timeBuff));
} else {
setTimeout(function(){
box.animate({ opacity:'1' }, settings.animSpeed);
}, (100 + timeBuff));
}
timeBuff += 20;
i++;
});
} else if(currentEffect === 'boxRain' || currentEffect === 'boxRainReverse' || currentEffect === 'boxRainGrow' || currentEffect === 'boxRainGrowReverse'){
createBoxes(slider, settings, vars);
totalBoxes = settings.boxCols * settings.boxRows;
i = 0;
timeBuff = 0;
// Split boxes into 2D array
var rowIndex = 0;
var colIndex = 0;
var box2Darr = [];
box2Darr[rowIndex] = [];
boxes = $('.nivo-box', slider);
if(currentEffect === 'boxRainReverse' || currentEffect === 'boxRainGrowReverse'){
boxes = $('.nivo-box', slider)._reverse();
}
boxes.each(function(){
box2Darr[rowIndex][colIndex] = $(this);
colIndex++;
if(colIndex === settings.boxCols){
rowIndex++;
colIndex = 0;
box2Darr[rowIndex] = [];
}
});
// Run animation
for(var cols = 0; cols < (settings.boxCols * 2); cols++){
var prevCol = cols;
for(var rows = 0; rows < settings.boxRows; rows++){
if(prevCol >= 0 && prevCol < settings.boxCols){
/* Due to some weird JS bug with loop vars
being used in setTimeout, this is wrapped
with an anonymous function call */
(function(row, col, time, i, totalBoxes) {
var box = $(box2Darr[row][col]);
var w = box.width();
var h = box.height();
if(currentEffect === 'boxRainGrow' || currentEffect === 'boxRainGrowReverse'){
box.width(0).height(0);
}
if(i === totalBoxes-1){
setTimeout(function(){
box.animate({ opacity:'1', width:w, height:h }, settings.animSpeed/1.3, , function(){ slider.trigger('nivo:animFinished'); });
}, (100 + time));
} else {
setTimeout(function(){
box.animate({ opacity:'1', width:w, height:h }, settings.animSpeed/1.3);
}, (100 + time));
}
})(rows, prevCol, timeBuff, i, totalBoxes);
i++;
}
prevCol--;
}
timeBuff += 100;
}
}
};
// Shuffle an array
var shuffle = function(arr){
for(var j, x, i = arr.length; i; j = parseInt(Math.random() * i, 10), x = arr[--i], arr[i] = arr[j], arr[j] = x);
return arr;
};
// For debugging
var trace = function(msg){
if(this.console && typeof console.log !== 'undefined') { console.log(msg); }
};
// Start / Stop
this.stop = function(){
if(!$(element).data('nivo:vars').stop){
$(element).data('nivo:vars').stop = true;
trace('Stop Slider');
}
};
this.start = function(){
if($(element).data('nivo:vars').stop){
$(element).data('nivo:vars').stop = false;
trace('Start Slider');
}
};
// Trigger the afterLoad callback
settings.afterLoad.call(this);
return this;
};
$.fn.nivoSlider = function(options) {
return this.each(function(key, value){
var element = $(this);
// Return early if this element already has a plugin instance
if (element.data('nivoslider')) { return element.data('nivoslider'); }
// Pass options to plugin constructor
var nivoslider = new NivoSlider(this, options);
// Store plugin object in this element's data
element.data('nivoslider', nivoslider);
});
};
//Default settings
$.fn.nivoSlider.defaults = {
effect: 'random',
slices: 15,
boxCols: 8,
boxRows: 4,
animSpeed: 900,
pauseTime: 9000,
startSlide: 0,
directionNav: true,
controlNav: true,
controlNavThumbs: false,
pauseOnHover: true,
manualAdvance: false,
prevText: 'Prev',
nextText: 'Next',
randomStart: false,
beforeChange: function(){},
afterChange: function(){},
slideshowEnd: function(){},
lastSlide: function(){},
afterLoad: function(){}
};
$.fn._reverse = [].reverse;
})(jQuery);
