Team:UCL/Template:jquery.nivo.slider.js
From 2014.igem.org
(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(); $('.nivo-box').remove(); });
//Create captionslider.append($(''));
// 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: 500, pauseTime: 3000, 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);