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jquery.nivo.slider
/* * jQuery Nivo Slider v2.3 * http://nivo.dev7studios.com * * Copyright 2010, Gilbert Pellegrom * Free to use and abuse under the MIT license. * http://www.opensource.org/licenses/mit-license.php * * May 2010 - Pick random effect from specified set of effects by toronegro * May 2010 - controlNavThumbsFromRel option added by nerd-sh * May 2010 - Do not start nivoRun timer if there is only 1 slide by msielski * April 2010 - controlNavThumbs option added by Jamie Thompson (http://jamiethompson.co.uk) * March 2010 - manualAdvance option added by HelloPablo (http://hellopablo.co.uk) */ (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, randAnim: '', running: false, paused: false, stop:false }; //Get this slider var slider = $(element); slider.data('nivo:vars', vars); slider.css('position','relative'); slider.addClass('nivoSlider'); //Find our slider children var kids = slider.children(); kids.each(function() { var child = $(this); var link = ''; if(!child.is('img')){ if(child.is('a')){ child.addClass('nivo-imageLink'); link = child; } child = child.find('img:first'); } //Get img width & height var childWidth = child.width(); if(childWidth == 0) childWidth = child.attr('width'); var childHeight = child.height(); if(childHeight == 0) childHeight = child.attr('height'); //Resize the slider if(childWidth > slider.width()){ slider.width(childWidth); } if(childHeight > slider.height()){ slider.height(childHeight); } if(link != ''){ link.css('display','none'); } child.css('display','none'); vars.totalSlides++; }); //Set startSlide if(settings.startSlide > 0){ if(settings.startSlide >= vars.totalSlides) settings.startSlide = vars.totalSlides - 1; vars.currentSlide = settings.startSlide; } //Get initial image if($(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 slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat'); //Add initial slices for(var i = 0; i < settings.slices; i++){ var sliceWidth = Math.round(slider.width()/settings.slices); if(i == settings.slices-1){ slider.append( $('<div class="nivo-slice"></div>').css({ left:(sliceWidth*i)+'px', width:(slider.width()-(sliceWidth*i))+'px' }) ); } else { slider.append( $('<div class="nivo-slice"></div>').css({ left:(sliceWidth*i)+'px', width:sliceWidth+'px' }) ); } } //Create caption slider.append( $('<div class="nivo-caption"><p></p></div>').css({ display:'none', opacity:settings.captionOpacity }) ); //Process initial caption if(vars.currentImage.attr('title') != ''){ var title = vars.currentImage.attr('title'); var captionStyle = $(title).attr('style'); if(title.substr(0,1) == '#') { title = $(title).html(); } $('.nivo-caption p', slider).html(title); Cufon.replace('.nivo-caption p > h4'); $('.nivo-caption').attr('style', captionStyle); $('.nivo-caption', slider).fadeIn(settings.animSpeed); } //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('<div class="nivo-directionNav"><a class="nivo-prevNav">Prev</a><a class="nivo-nextNav">Next</a></div>'); //Hide Direction nav if(settings.directionNavHide){ $('.nivo-directionNav', slider).hide(); slider.hover(function(){ $('.nivo-directionNav', slider).show(); }, function(){ $('.nivo-directionNav', slider).hide(); }); } $('a.nivo-prevNav', slider).live('click', function(){ if(vars.running) return false; clearInterval(timer); timer = ''; vars.currentSlide-=2; nivoRun(slider, kids, settings, 'prev'); }); $('a.nivo-nextNav', slider).live('click', function(){ if(vars.running) return false; clearInterval(timer); timer = ''; nivoRun(slider, kids, settings, 'next'); }); } //Add Control nav if(settings.controlNav){ var nivoControl = $('<div class="nivo-controlNav"></div>'); slider.append(nivoControl); for(var i = 0; i < kids.length; i++){ if(settings.controlNavThumbs){ var child = kids.eq(i); if(!child.is('img')){ child = child.find('img:first'); } if (settings.controlNavThumbsFromRel) { nivoControl.append('<a class="nivo-control" rel="'+ i +'"><img src="'+ child.attr('rel') + '" alt="" /></a>'); } else { nivoControl.append('<a class="nivo-control" rel="'+ i +'"><img src="'+ child.attr('src').replace(settings.controlNavThumbsSearch, settings.controlNavThumbsReplace) +'" alt="" /></a>'); } } else { nivoControl.append('<a class="nivo-control" rel="'+ i +'">'+ (i + 1) +'</a>'); } } //Set initial active link $('.nivo-controlNav a:eq('+ vars.currentSlide +')', slider).addClass('active'); $('.nivo-controlNav a', slider).live('click', function(){ if(vars.running) return false; if($(this).hasClass('active')) return false; clearInterval(timer); timer = ''; slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat'); vars.currentSlide = $(this).attr('rel') - 1; nivoRun(slider, kids, settings, 'control'); }); } //Keyboard Navigation if(settings.keyboardNav){ $(window).keypress(function(event){ //Left if(event.keyCode == '37'){ if(vars.running) return false; clearInterval(timer); timer = ''; vars.currentSlide-=2; nivoRun(slider, kids, settings, 'prev'); } //Right if(event.keyCode == '39'){ if(vars.running) return false; clearInterval(timer); timer = ''; nivoRun(slider, kids, settings, 'next'); } }); } //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(){ 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')){ $(kids[vars.currentSlide]).css('display','block'); } //Restart the timer if(timer == '' && !vars.paused && !settings.manualAdvance){ timer = setInterval(function(){ nivoRun(slider, kids, settings, false); }, settings.pauseTime); } //Trigger the afterChange callback settings.afterChange.call(this); }); // Private run method var nivoRun = function(slider, kids, settings, nudge){ //Get our vars var vars = slider.data('nivo:vars'); //Trigger the lastSlide callback if(vars && (vars.currentSlide == vars.totalSlides - 1)){ settings.lastSlide.call(this); } // Stop if((!vars || vars.stop) && !nudge) return false; //Trigger the beforeChange callback settings.beforeChange.call(this); //Set current background before change if(!nudge){ slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat'); } else { if(nudge == 'prev'){ slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat'); } if(nudge == 'next'){ slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat'); } } vars.currentSlide++; //Trigger the slideshowEnd callback if(vars.currentSlide == vars.totalSlides){ vars.currentSlide = 0; settings.slideshowEnd.call(this); } if(vars.currentSlide < 0) vars.currentSlide = (vars.totalSlides - 1); //Set vars.currentImage if($(kids[vars.currentSlide]).is('img')){ vars.currentImage = $(kids[vars.currentSlide]); } else { vars.currentImage = $(kids[vars.currentSlide]).find('img:first'); } //Set acitve links if(settings.controlNav){ $('.nivo-controlNav a', slider).removeClass('active'); $('.nivo-controlNav a:eq('+ vars.currentSlide +')', slider).addClass('active'); } //Process caption if(vars.currentImage.attr('title') != ''){ var title = vars.currentImage.attr('title'); var captionStyle = $(title).attr('style'); if(title.substr(0,1) == '#') { title = $(title).html(); } if($('.nivo-caption', slider).css('display') == 'block'){ $('.nivo-caption p', slider).fadeOut(settings.animSpeed, function(){ $(this).html(title); Cufon.replace('.nivo-caption p > h4'); $('.nivo-caption').attr('style', captionStyle); $(this).fadeIn(settings.animSpeed, function(){ }); $(this).css('visibility', 'visible'); }); } else { $('.nivo-caption p', slider).html(title); Cufon.replace('.nivo-caption p > h4'); $('.nivo-caption').attr('style', captionStyle); } $('.nivo-caption', slider).fadeIn(settings.animSpeed); } else { $('.nivo-caption', slider).fadeOut(settings.animSpeed); } //Set new slice backgrounds var i = 0; $('.nivo-slice', slider).each(function(){ var sliceWidth = Math.round(slider.width()/settings.slices); $(this).css({ height:'0px', opacity:'0', background: 'url("'+ vars.currentImage.attr('src') +'") no-repeat -'+ ((sliceWidth + (i * sliceWidth)) - sliceWidth) +'px 0%' }); i++; }); if(settings.effect == 'random'){ var anims = new Array("sliceDownRight","sliceDownLeft","sliceUpRight","sliceUpLeft","sliceUpDown","sliceUpDownLeft","fold","fade"); vars.randAnim = anims[Math.floor(Math.random()*(anims.length + 1))]; if(vars.randAnim == undefined) vars.randAnim = 'fade'; } //Run random effect from specified set (eg: effect:'fold,fade') if(settings.effect.indexOf(',') != -1){ var anims = settings.effect.split(','); vars.randAnim = $.trim(anims[Math.floor(Math.random()*anims.length)]); } //Run effects vars.running = true; if(settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' || settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft'){ var timeBuff = 0; var i = 0; var slices = $('.nivo-slice', slider); if(settings.effect == 'sliceDownLeft' || vars.randAnim == '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({ height:'100%', opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function(){ slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed); }, (100 + timeBuff)); } timeBuff += 50; i++; }); } else if(settings.effect == 'sliceUp' || settings.effect == 'sliceUpRight' || vars.randAnim == 'sliceUpRight' || settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft'){ var timeBuff = 0; var i = 0; var slices = $('.nivo-slice', slider); if(settings.effect == 'sliceUpLeft' || vars.randAnim == '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({ height:'100%', opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function(){ slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed); }, (100 + timeBuff)); } timeBuff += 50; i++; }); } else if(settings.effect == 'sliceUpDown' || settings.effect == 'sliceUpDownRight' || vars.randAnim == 'sliceUpDown' || settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft'){ var timeBuff = 0; var i = 0; var v = 0; var slices = $('.nivo-slice', slider); if(settings.effect == 'sliceUpDownLeft' || vars.randAnim == '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({ height:'100%', opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); }); }, (100 + timeBuff)); } else { setTimeout(function(){ slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed); }, (100 + timeBuff)); } timeBuff += 50; v++; }); } else if(settings.effect == 'fold' || vars.randAnim == 'fold'){ var timeBuff = 0; var i = 0; $('.nivo-slice', slider).each(function(){ var slice = $(this); var origWidth = slice.width(); slice.css({ top:'0px', height:'100%', 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(settings.effect == 'fade' || vars.randAnim == 'fade'){ var i = 0; $('.nivo-slice', slider).each(function(){ $(this).css('height','100%'); if(i == settings.slices-1){ $(this).animate({ opacity:'1.0' }, (settings.animSpeed*2), '', function(){ slider.trigger('nivo:animFinished'); }); } else { $(this).animate({ opacity:'1.0' }, (settings.animSpeed*2)); } i++; }); } } // For debugging var trace = function(msg){ if (this.console && typeof console.log != "undefined") console.log(msg); } // Start / Stop this.stop = function(){ if(!$(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); }; $.fn.nivoSlider = function(options) { return this.each(function(){ var element = $(this); // Return early if this element already has a plugin instance if (element.data('nivoslider')) return; // 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, animSpeed:500, pauseTime:3000, startSlide:0, directionNav:true, directionNavHide:true, controlNav:true, controlNavThumbs:false, controlNavThumbsFromRel:false, controlNavThumbsSearch:'.jpg', controlNavThumbsReplace:'_thumb.jpg', keyboardNav:true, pauseOnHover:true, manualAdvance:false, captionOpacity:0.8, beforeChange: function(){}, afterChange: function(){}, slideshowEnd: function(){}, lastSlide: function(){}, afterLoad: function(){} }; $.fn._reverse = [].reverse; })(jQuery);