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From 2014.igem.org

(function($) {

var params = new Array; var order = new Array; var images = new Array; var links = new Array; var linksTarget = new Array; var titles = new Array; var interval = new Array; var imagePos = new Array; var appInterval = new Array; var squarePos = new Array; var reverse = new Array;

$.fn.coinslider= $.fn.CoinSlider = function(options){

init = function(el){

order[el.id] = new Array(); // order of square appereance images[el.id] = new Array(); links[el.id] = new Array(); linksTarget[el.id] = new Array(); titles[el.id] = new Array(); imagePos[el.id] = 0; squarePos[el.id] = 0; reverse[el.id] = 1;

params[el.id] = $.extend({}, $.fn.coinslider.defaults, options);

// create images, links and titles arrays $.each($('#'+el.id+' img'), function(i,item){ images[el.id][i] = $(item).attr('src'); links[el.id][i] = $(item).parent().is('a') ? $(item).parent().attr('href') : ; linksTarget[el.id][i] = $(item).parent().is('a') ? $(item).parent().attr('target') : ; titles[el.id][i] = $(item).next().is('span') ? $(item).next().html() : ; $(item).hide(); $(item).next().hide(); });

// set panel $(el).css({ 'background-image':'url('+images[el.id][0]+')', 'width': params[el.id].width, 'height': params[el.id].height, 'position': 'relative', 'background-position': 'top left' }).wrap("<div class='coin-slider' id='coin-slider-"+el.id+"' />");

// create title bar

$('#'+el.id).append("");

$.setFields(el);

if(params[el.id].navigation) $.setNavigation(el);

$.transition(el,0); $.transitionCall(el);

}

// squares positions $.setFields = function(el){

tWidth = sWidth = parseInt(params[el.id].width/params[el.id].spw); tHeight = sHeight = parseInt(params[el.id].height/params[el.id].sph);

counter = sLeft = sTop = 0; tgapx = gapx = params[el.id].width - params[el.id].spw*sWidth; tgapy = gapy = params[el.id].height - params[el.id].sph*sHeight;

for(i=1;i <= params[el.id].sph;i++){ gapx = tgapx;

if(gapy > 0){ gapy--; sHeight = tHeight+1; } else { sHeight = tHeight; }

for(j=1; j <= params[el.id].spw; j++){

if(gapx > 0){ gapx--; sWidth = tWidth+1; } else { sWidth = tWidth; }

order[el.id][counter] = i++j; counter++;

if(params[el.id].links) $('#'+el.id).append("<a href='"+links[el.id][0]+"' class='cs-"+el.id+"' id='cs-"+el.id+i+j+"' style='width:"+sWidth+"px; height:"+sHeight+"px; float: left; position: absolute;'></a>"); else

$('#'+el.id).append("");

// positioning squares $("#cs-"+el.id+i+j).css({ 'background-position': -sLeft +'px '+(-sTop+'px'), 'left' : sLeft , 'top': sTop });

sLeft += sWidth; }

sTop += sHeight; sLeft = 0;

}

$('.cs-'+el.id).mouseover(function(){ $('#cs-navigation-'+el.id).show(); });

$('.cs-'+el.id).mouseout(function(){ $('#cs-navigation-'+el.id).hide(); });

$('#cs-title-'+el.id).mouseover(function(){ $('#cs-navigation-'+el.id).show(); });

$('#cs-title-'+el.id).mouseout(function(){ $('#cs-navigation-'+el.id).hide(); });

if(params[el.id].hoverPause){ $('.cs-'+el.id).mouseover(function(){ params[el.id].pause = true; });

$('.cs-'+el.id).mouseout(function(){ params[el.id].pause = false; });

$('#cs-title-'+el.id).mouseover(function(){ params[el.id].pause = true; });

$('#cs-title-'+el.id).mouseout(function(){ params[el.id].pause = false; }); }

};

$.transitionCall = function(el){

clearInterval(interval[el.id]); delay = params[el.id].delay + params[el.id].spw*params[el.id].sph*params[el.id].sDelay; interval[el.id] = setInterval(function() { $.transition(el) }, delay);

}

// transitions $.transition = function(el,direction){

if(params[el.id].pause == true) return;

$.effect(el);

squarePos[el.id] = 0; appInterval[el.id] = setInterval(function() { $.appereance(el,order[el.id][squarePos[el.id]]) },params[el.id].sDelay);

$(el).css({ 'background-image': 'url('+images[el.id][imagePos[el.id]]+')' });

if(typeof(direction) == "undefined") imagePos[el.id]++; else if(direction == 'prev') imagePos[el.id]--; else imagePos[el.id] = direction;

if (imagePos[el.id] == images[el.id].length) { imagePos[el.id] = 0; }

if (imagePos[el.id] == -1){ imagePos[el.id] = images[el.id].length-1; }

$('.cs-button-'+el.id).removeClass('cs-active'); $('#cs-button-'+el.id+"-"+(imagePos[el.id]+1)).addClass('cs-active');

if(titles[el.id][imagePos[el.id]]){ $('#cs-title-'+el.id).css({ 'opacity' : 0 }).animate({ 'opacity' : params[el.id].opacity }, params[el.id].titleSpeed); $('#cs-title-'+el.id).html(titles[el.id][imagePos[el.id]]); } else { $('#cs-title-'+el.id).css('opacity',0); }

};

$.appereance = function(el,sid){

$('.cs-'+el.id).attr('href',links[el.id][imagePos[el.id]]).attr('target',linksTarget[el.id][imagePos[el.id]]);

if (squarePos[el.id] == params[el.id].spw*params[el.id].sph) { clearInterval(appInterval[el.id]); return; }

$('#cs-'+el.id+sid).css({ opacity: 0, 'background-image': 'url('+images[el.id][imagePos[el.id]]+')' }); $('#cs-'+el.id+sid).animate({ opacity: 1 }, 300); squarePos[el.id]++;

};

// navigation $.setNavigation = function(el){ // create prev and next

$(el).append("");

$('#cs-navigation-'+el.id).hide();

$('#cs-navigation-'+el.id).append("<a href='#' id='cs-prev-"+el.id+"' class='cs-prev'>prev</a>"); $('#cs-navigation-'+el.id).append("<a href='#' id='cs-next-"+el.id+"' class='cs-next'>next</a>"); $('#cs-prev-'+el.id).css({ 'position' : 'absolute', 'top' : params[el.id].height/2 - 15, 'left' : 0, 'z-index' : 1001, 'line-height': '30px', 'opacity' : params[el.id].opacity }).click( function(e){ e.preventDefault(); $.transition(el,'prev'); $.transitionCall(el); }).mouseover( function(){ $('#cs-navigation-'+el.id).show() });

$('#cs-next-'+el.id).css({ 'position' : 'absolute', 'top' : params[el.id].height/2 - 15, 'right' : 0, 'z-index' : 1001, 'line-height': '30px', 'opacity' : params[el.id].opacity }).click( function(e){ e.preventDefault(); $.transition(el); $.transitionCall(el); }).mouseover( function(){ $('#cs-navigation-'+el.id).show() });

// image buttons

$("").appendTo($('#coin-slider-'+el.id));

for(k=1;k<images[el.id].length+1;k++){ $('#cs-buttons-'+el.id).append("<a href='#' class='cs-button-"+el.id+"' id='cs-button-"+el.id+"-"+k+"'>"+k+"</a>"); }

$.each($('.cs-button-'+el.id), function(i,item){ $(item).click( function(e){ $('.cs-button-'+el.id).removeClass('cs-active'); $(this).addClass('cs-active'); e.preventDefault(); $.transition(el,i); $.transitionCall(el); }) });

$('#cs-navigation-'+el.id+' a').mouseout(function(){ $('#cs-navigation-'+el.id).hide(); params[el.id].pause = false; });

$("#cs-buttons-"+el.id).css({ 'left' : '50%', 'margin-left' : -images[el.id].length*15/2-5, 'position' : 'relative'

});

}

// effects $.effect = function(el){

effA = ['random','swirl','rain','straight']; if(params[el.id].effect == ) eff = effA[Math.floor(Math.random()*(effA.length))]; else eff = params[el.id].effect;

order[el.id] = new Array();

if(eff == 'random'){ counter = 0; for(i=1;i <= params[el.id].sph;i++){ for(j=1; j <= params[el.id].spw; j++){ order[el.id][counter] = i++j; counter++; } } $.random(order[el.id]); }

if(eff == 'rain') { $.rain(el); }

if(eff == 'swirl') $.swirl(el);

if(eff == 'straight') $.straight(el);

reverse[el.id] *= -1; if(reverse[el.id] > 0){ order[el.id].reverse(); }

}

// shuffle array function $.random = function(arr) {

var i = arr.length; if ( i == 0 ) return false; while ( --i ) { var j = Math.floor( Math.random() * ( i + 1 ) ); var tempi = arr[i]; var tempj = arr[j]; arr[i] = tempj; arr[j] = tempi; } }

//swirl effect by milos popovic $.swirl = function(el){

var n = params[el.id].sph; var m = params[el.id].spw;

var x = 1; var y = 1; var going = 0; var num = 0; var c = 0;

var dowhile = true;

while(dowhile) {

num = (going==0 || going==2) ? m : n;

for (i=1;i<=num;i++){

order[el.id][c] = x++y; c++;

if(i!=num){ switch(going){ case 0 : y++; break; case 1 : x++; break; case 2 : y--; break; case 3 : x--; break;

} } }

going = (going+1)%4;

switch(going){ case 0 : m--; y++; break; case 1 : n--; x++; break; case 2 : m--; y--; break; case 3 : n--; x--; break; }

check = $.max(n,m) - $.min(n,m); if(m<=check && n<=check) dowhile = false;

} }

// rain effect $.rain = function(el){ var n = params[el.id].sph; var m = params[el.id].spw;

var c = 0; var to = to2 = from = 1; var dowhile = true;

while(dowhile){

for(i=from;i<=to;i++){ order[el.id][c] = i++parseInt(to2-i+1); c++; }

to2++;

if(to < n && to2 < m && n<m){ to++; }

if(to < n && n>=m){ to++; }

if(to2 > m){ from++; }

if(from > to) dowhile= false;

}

}

// straight effect $.straight = function(el){ counter = 0; for(i=1;i <= params[el.id].sph;i++){ for(j=1; j <= params[el.id].spw; j++){ order[el.id][counter] = i++j; counter++; }

} }

$.min = function(n,m){ if (n>m) return m; else return n; }

$.max = function(n,m){ if (n<m) return m; else return n; }

this.each ( function(){ init(this); } );

};

// default values $.fn.coinslider.defaults = { width: 565, // width of slider panel height: 290, // height of slider panel spw: 7, // squares per width sph: 5, // squares per height delay: 3000, // delay between images in ms sDelay: 30, // delay beetwen squares in ms opacity: 0.7, // opacity of title and navigation titleSpeed: 500, // speed of title appereance in ms effect: , // random, swirl, rain, straight navigation: true, // prev next and buttons links : true, // show images as links hoverPause: true // pause on hover };

})(jQuery);