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Copy pathpure-js-slideshow.js
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pure-js-slideshow.js
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function pure_js_slideshow(options){
/** ghost element to measure window viewport dimensions **/
var me = this;
//did the plugin inited???
this.inited = false;
//is the plugin animating the images???
this.animating = false;
//timeout handler to clearit in case of next previous clicks
this.animate_timeout_handler = 0;
//pause animation
this.paused = false;
//init function callback
this.inited_callback = options.inited?options.inited:function(){}
//animated function callback
this.animated_callback = options.animated?options.animated:function(){}
//thumb selected function callback
this.thumb_callback = options.thumbSelected?options.thumbSelected:function(){}
//page selected function callback
this.page_callback = options.pageSelected?options.pageSelected:function(){}
//navication callback
this.navigation_callback = options.navigationSelected?options.navigationSelected:function(){}
this.autoplay = typeof options.autoplay!=='undefined'?options.autoplay:true;
this.mobile = options.mobile && typeof options.mobile.enabled!=='undefined'?options.mobile.enabled:false;
/** position ghost div element with fixed to top, right, left and bottom and measure this element dimensions to find the window viewport**/
this.ghost = document.getElementById('pure-js-slideshow-ghost');
if(this.ghost==null){
this.ghost = document.createElement('div');
this.ghost.setAttribute('id','pure-js-slideshow-ghost');
this.ghost.style.cssText = 'margin:0;padding:0;position:fixed;top:0px;left:0px;right:0px;bottom:0px;opacity:0;z-index:-1;-moz-opacity:0;-webkit-opacity:0;'
document.body.appendChild(this.ghost);
}
this.drag_ghost = document.createElement('div');
this.drag_ghost.style.cssText = 'position:absolute;top:0px;left:0px;right:0px;bottom:0px;';
this.drag_ghost.setAttribute('class','pure-js-slideshow-drag');
this.dragging= false;
this.drag_callback = options.dragCallback?options.dragCallback:function(){};
this.dragStartX = 0;
this.dragDiff = 0;
this.drag_autoplay = false;
this.ondragstart = function(event){
if(me.animating){
event.preventDefault();
return;
}
clearTimeout(me.animate_timeout_handler);
//save the previous autoplay state
me.drag_autoplay = me.autoplay;
me.autoplay = false;
me.dragging = true;
me.dragStartX = event.touches && event.touches.length>0?event.touches[0].pageX:event.pageX;
document.addEventListener('mouseup',me.ondragend)
document.addEventListener('mousemove',me.ondragging);
document.addEventListener('touchend',me.ondragend);
document.addEventListener('touchmove',me.ondragging);
if(me.animation=='fade'){
for(var i in me.children){
me.children[i].style.opacity = 1;
if(i!=me.currentIndex){
me.children[i].style.left=me.width+'px';
}
}
}
};
this.ondragend = function(){
me.dragging = false;
var diff = me.dragDiff;
function reset(){
//reset to old previous behavior
me.dragDiff = 0;
//restore the old autoplay
me.autoplay = me.drag_autoplay;
if(me.animation=='fade'){
for(var i in me.children){
me.children[i].style.left='0px';
if(i!=me.currentIndex){
me.children[i].style.opacity=0;
}
}
}
if(me.autoplay){
me.animate_timeout_handler = setTimeout(function(){me.animate(me.currentIndex);},me.timeout);
}
}//reset state function
var should_reset = false;
//if we dragged more than 25% of the content on either side than animate to next or previous content
if(me.width/4<Math.abs(diff)){
if(diff<0){
var current_child = me.children[me.currentIndex];
var nindex = me.currentIndex+1>=me.children_size?0:me.currentIndex+1;
if(nindex>0){
var next_child = me.children[nindex];
var nnewleft = me.width + diff;
next_child.style.left = nnewleft+'px';
var c=0;
var done = function(){
c++;
if(c==2){
me.currentIndex = nindex;
me.selectPage(nindex);
me.selectThumb(nindex);
reset();
}
};
me.slideleft(current_child,me.transition,me.width,me.width*-1,done)
me.slideleft(next_child,me.transition,me.width,0,done)
}else{
current_child.style.left = '0px';
should_reset=true;
}
}else{
var current_child = me.children[me.currentIndex];
var pindex = me.currentIndex-1<0?-1:me.currentIndex-1;
if(pindex>=0){
var prev_child = me.children[pindex];
var left = 0;
prev_child.style.left = me.width*-1+diff+'px';
var c=0;
var done = function(){
c++;
if(c==2){
me.currentIndex = pindex;
me.selectPage(pindex);
me.selectThumb(pindex);
reset();
}
};
me.slideright(current_child,me.transition,me.width,me.width,done)
me.slideright(prev_child,me.transition,me.width,0,done)
}else{
current_child.style.left='0px';
should_reset=true;
}
}
}else{
var current_child = me.children[me.currentIndex];
if(diff<0){
var nindex = me.currentIndex+1>=me.children_size?0:me.currentIndex+1;
if(nindex>0){
var next_child = me.children[nindex];
next_child.style.left = me.width+'px';
}
}else{
var pindex = me.currentIndex-1<0?-1:me.currentIndex-1;
if(pindex>=0){
var prev_child = me.children[pindex];
prev_child.style.left = me.width*-1+'px';
}
}
current_child.style.left='0px';
should_reset=true;
}
if(should_reset){
reset();
}
document.removeEventListener('mouseup',me.ondragend);
document.removeEventListener('mousemove',me.ondragging)
document.removeEventListener('touchend',me.ondragend);
document.removeEventListener('touchmove',me.ondragging);
}
this.ondragging = function(event){
if(me.dragging){
var pagex = event.touches && event.touches.length>0?event.touches[0].pageX:event.pageX;
var diff = ( pagex - me.dragStartX );
me.dragDiff = diff;
if(diff<0){
var current_child = me.children[me.currentIndex];
current_child.style.left = diff +'px';
var nindex = me.currentIndex+1>=me.children_size?0:me.currentIndex+1;
if(nindex>0){
var next_child = me.children[nindex];
var nnewleft = me.width + diff;
next_child.style.left = nnewleft+'px';
me.drag_callback(me, me.currentIndex, nindex);
}else{
//do not make a drag
me.drag_callback(me, me.currentIndex);
}
}else{
var current_child = me.children[me.currentIndex];
current_child.style.left = diff+'px';
var pindex = me.currentIndex-1<0?-1:me.currentIndex-1;
if(pindex>=0){
var prev_child = me.children[pindex];
var pnewleft = me.width *-1 + diff;
prev_child.style.left = pnewleft+'px';
me.drag_callback(me, me.currentIndex, pindex);
}else{
me.drag_callback(me, me.currentIndex);
}
}
}
}
this.dragContent = typeof options.dragContent!=='undefined'?options.dragContent:true;
if(this.dragContent){
this.drag_ghost.addEventListener('mousedown',this.ondragstart);
this.drag_ghost.addEventListener('touchstart',this.ondragstart);
this.drag_ghost.addEventListener('click',function(){
me.slide_clicked(me,me.currentIndex,me.children[me.currentIndex]);
})
}
this.prnt = typeof options.el=='string'?document.querySelector(options.el):options.el;
this.prnt.style.position = 'relative';
this.backgroundColor = options.backgroundColor?options.backgroundColor:'#fff';
this.prnt.style.backgroundColor = this.backgroundColor;
if(typeof options.keyboard!=='undefined' && options.keyboard){
this.prnt.setAttribute('tabindex',-1);
this.prnt.addEventListener('focus',function(){
me.prnt.style.border='none!important;';
me.prnt.style.boxShadow='0';
me.prnt.style.outlineColor='transparent';
// alert(true);
})
this.prnt.addEventListener('keyup',function(){
if(event.keyCode==37){
me.previousContent();
}else if(event.keyCode==39){
me.nextContent();
}
})
}
this.elem = this.prnt.querySelector('.pure-js-slideshow-container');
this.elem.style.position = 'relative';
this.elem.style.overflowX='hidden';
this.elem.style.overflowY = 'hidden';
this.children_list = this.elem.querySelectorAll('.pure-js-slideshow-content');
this.children = [];
this.images = [];
this.image_thumbs = [];
//transform the content node list to an array
[].forEach.call(this.children_list,function(celem){
me.children.push(celem);
})
this.children_size = this.children.length;
this.full_screen_elem = document.createElement('a');
this.full_screen_elem.innerHTML = '↗';
this.full_screen_elem.style.cssText = 'cursor:pointer;position:absolute;top:20px;right:20px;color:#fff;z-index:'+(me.children_size+1)+';font-size:20px;';
var span_icon = document.createElement('span');
span_icon.innerHTML = '↙';
span_icon.style.cssText = 'position:absolute;top:0px;left:0px;color:#fff;';
//↖
var span_icon2 = document.createElement('span');
span_icon2.innerHTML = '↗';
span_icon2.style.cssText = 'position:absolute;top:1px;left:-1px;color:#fff;transform:rotate(-90deg)';
var span_icon3 = document.createElement('span');
span_icon3.innerHTML = '↙';
span_icon3.style.cssText = 'position:absolute;top:1px;left:-1px;color:#fff;transform:rotate(-90deg)';
this.full_screen_elem.appendChild(span_icon);
this.full_screen_elem.appendChild(span_icon2);
this.full_screen_elem.appendChild(span_icon3);
this.full_screen = false;
document.addEventListener('fullscreenchange',function(event){
//console.log(event);
if(document.fullscreenElement==me.prnt){
me.full_screen = true;
}else{
me.full_screen = false;
//console.log('exited');
}
})
if(typeof options.fullscreen!=='undefined' && options.fullscreen){
this.elem.appendChild(this.full_screen_elem);
this.full_screen_elem.onclick = function(){
if(me.full_screen){
document.exitFullscreen();
}else{
me.fullScreen();
}
}
}
this.previousContent = function(){
if(!me.inited){
return;
}
if(!me.animating){
clearTimeout(me.animate_timeout_handler);
var cindex = me.currentIndex;
if(cindex-1<0){
cindex=me.children_size-1;
}else{
cindex--;
}
me.animate(me.currentIndex,cindex);
}
};
this.nextContent = function(){
if(!me.inited){
return;
}
if(!me.animating){
clearTimeout(me.animate_timeout_handler);
var cindex = me.currentIndex;
if(cindex+1>=me.children_size){
cindex = 0;
}else{
cindex++;
}
me.animate(me.currentIndex);
}
};
this.moveTo = function(index){
if(!me.inited){
return;
}
if(!me.animating){
clearTimeout(me.animate_timeout_handler);
var cindex = index;
me.animate(me.currentIndex, cindex);
}
}
this.navigation = options.navigation && options.navigation.visible?options.navigation.visible:false;
if(this.mobile && options.navigation && options.navigation.mobile && typeof options.navigation.mobile.visible!=='undefined'){
this.navigation=options.navigation.mobile.visible;
}
this.navRadius = options.navigation && options.navigation.radius?options.navigation.radius:'0px';
this.navBorderColor = options.navigation && options.navigation.borderColor?options.navigation.borderColor:'#fff';
this.navBackgroundColor = options.navigation && options.navigation.backgroundColor?options.navigation.backgroundColor:'#fff';
this.navArrowColor = options.navigation && options.navigation.arrowColor?options.navigation.arrowColor:'#fff';
this.previous = null;
this.next = null;
this.renderNavigation = function(){
me.previous = document.createElement('a');
me.previous.onclick = function(){
me.previousContent();
}
me.previous.style.cssText = 'position:absolute;top:45%;left:10px;z-index:'+(me.children_size+1)+';border:solid 1px '+me.navBorderColor+';padding:7px 14px;cursor:pointer;display:inline-block;background-color:'+me.navBackgroundColor+';border-radius:'+this.navRadius+';';
var previousc = document.createElement('span');
previousc.style.cssText = 'margin:0;padding:0;width:0px;height:0px;display:inline-block;border-top:7px solid transparent;border-bottom:7px solid transparent;border-right:9px solid '+me.navArrowColor+';margin-top:3px;';
me.previous.appendChild(previousc);
me.elem.appendChild(me.previous);
me.next = document.createElement('a');
me.next.onclick = function(){
me.nextContent();
}
me.next.style.cssText = 'position:absolute;top:45%;right:10px;z-index:'+(me.children_size+1)+';border:solid 1px '+me.navBorderColor+';padding:7px 14px;cursor:pointer;display:inline-block;background-color:'+me.navBackgroundColor+';border-radius:'+this.navRadius+';';
var nextc = document.createElement('span');
nextc.style.cssText = 'margin:0;padding:0;width:0px;height:0px;display:inline-block;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:9px solid '+me.navArrowColor+';margin-top:3px;';
me.next.appendChild(nextc);
me.elem.appendChild(me.next);
}
if(this.navigation){
this.renderNavigation();
}
this.pagination = options.pagination && options.pagination.visible?options.pagination.visible:false;
if(this.mobile && options.pagination && options.pagination.mobile && typeof options.pagination.mobile.visible!=='undefined'){
this.pagination=options.pagination.mobile.visible;
}
this.pageSize = options.pagination && options.pagination.size?options.pagination.size:10;
this.page_clicked = function(event){
var t = event.currentTarget;
var index = t.getAttribute('data-index');
me.moveTo(index);
}
this.renderPage = function(index){
var pagea = document.createElement('span');
pagea.style.cssText = 'border-radius:'+me.pageSize+'px;border:solid 1px #fff;width:'+me.pageSize+'px;height:'+me.pageSize+'px;display:inline-block;cursor:pointer;margin-left:2px;margin-right:2px;'
pagea.setAttribute('data-index',index);
pagea.onclick = function(){
var cindex = parseInt(this.getAttribute('data-index'))
me.moveTo(cindex)
me.page_callback(me,cindex,me.images[cindex])
}
return pagea;
};
this.selectPage = function(index){
if(me.paginationElem==null){
return;
}
[].forEach.call(me.paginationElem.querySelectorAll('span'),function(el){
el.style.backgroundColor='transparent';
});
me.paginationElem.querySelector('span:nth-child('+(index+1)+')').style.backgroundColor='#fff';
}
this.paginationElem = null;
this.renderPagination = function(){
var total = me.children_size;
me.paginationElem = document.createElement('div');
me.paginationElem.style.cssText = 'position:absolute;left:0px;bottom:10px;width:100%;text-align:center;z-index:'+(me.children_size+1)+';';
for(var p=0;p<me.children_size;p++){
var pagea = me.renderPage(p);
me.paginationElem.appendChild(pagea);
}
me.elem.appendChild(me.paginationElem);
}
if(this.pagination){
this.renderPagination();
this.selectPage(0);
}
this.getWidth = function(){
return parseFloat(getComputedStyle(me.ghost,null).width.replace('px',''));
}
this.getHeight = function(){
return parseFloat(getComputedStyle(this.ghost,null).height.replace('px',''));
}
this.width = this.getWidth();
this.currentIndex = 0;
this.animation = options.animation || 'fade';
this.thumbnails = options.thumbnails && options.thumbnails.visible?options.thumbnails.visible:false;
if(this.mobile && options.thumbnails && options.thumbnails.mobile && typeof options.thumbnails.mobile.visible!=='undefined'){
this.thumbnails=options.thumbnails.mobile.visible;
}
this.thumbsBorderColor = options.thumbnails && options.thumbnails.borderColor?options.thumbnails.borderColor:'#fff';
this.thumbsSelBorderColor = options.thumbnails && options.thumbnails.selectedBorderColor?options.thumbnails.selectedBorderColor:'#000';
this.thumbWidth = options.thumbnails && options.thumbnails.width?parseInt(options.thumbnails.width):80;
this.thumbHeight = options.thumbnails && options.thumbnails.height?parseInt(options.thumbnails.height):70;
this.thumbElem = null;
this.thumbTbl = null;
this.maxheight = options.maxheight?options.maxheight:0;
if(this.mobile && options.mobile && options.mobile.maxheight){
this.maxheight= options.mobile.maxheight;
}
this.user_dynamicheight = options.dynamicHeightResizer?options.dynamicHeightResizer:null;
this.user_maxheight = options.maxheightResizer?options.maxheightResizer:null;
this.minheight = options.minheight?options.minheight:0;
if(this.mobile && options.mobile && options.mobile.minheight){
this.minheight = options.mobile.minheight;
}
this.height = this.getHeight();
this.elem.style.width=this.width+'px';
var heighttmp = this.height;
if(this.maxheight>0){
if(this.maxheight<heighttmp){
heighttmp = this.maxheight;
}
}
//this resizes automatically the height like aspect ratio based on width but not the maxheight or minheight
if(this.user_dynamicheight!=null){
var user_dynamicheight = this.user_dynamicheight(this,this.height);
heighttmp = user_dynamicheight;
}
if(this.user_maxheight!=null){
var user_maxheight = this.user_maxheight(this,this.height);
if(user_maxheight<heighttmp){
heighttmp = user_maxheight;
}
}
if(this.minheight>0){
if(this.minheight>heighttmp){
heighttmp = this.minheight;
}
}
this.elem.style.height = heighttmp+'px';
this.slide_callback = options.slideClicked?options.slideClicked:function(){}
this.slide_clicked = function(){
me.slide_callback(me, me.currentIndex, me.images[me.currentIndex])
}
this.setupBackground = function(content,src,tsrc){
content.style.backgroundImage = 'url('+src+')';
content.style.backgroundPosition = 'center';
content.style.backgroundSize = 'cover';
content.style.backgroundRepeat = 'no-repeat';
content.onclick = me.slide_clicked;
me.images.push(src);
me.image_thumbs.push(tsrc);
}//setup background image style attribute to div.pure-js-slideshow-content
this.setupText = function(parent,child){
var posv = child.getAttribute('data-pos-v') || 'middle';
var posh = child.getAttribute('data-pos-h') || 'center';
var card = document.createElement('div');
card.style.cssText = 'display:table;height:100%;width:100%;';
card.style.textAlign=posh;
var cell = document.createElement('div');
cell.style.cssText = 'display:table-cell;';
cell.style.verticalAlign= posv;
var text = document.createElement('div');
text.style.cssText = 'position:relative;display:inline-block;z-index:'+me.children_size+1;
text.innerHTML = child.innerHTML;
cell.appendChild(text);
card.appendChild(cell);
parent.removeChild(child);
parent.appendChild(card);
}
this.setupBackgrounds = function(){
for(var i in me.children){
var content = me.children[i];
content.setAttribute('data-index',i);
var img = content.querySelector('img:first-child');
//remove image from the dom and set it as a background to the parent div
content.removeChild(img);
//me.images.push(img.src);
var tsrc = img.getAttribute('data-thumb');
if(tsrc==null){
tsrc = content.getAttribute('data-thumb');
if(tsrc==null){
tsrc = img.src;
}
}
var text = content.querySelector('div:first-child');
if(text!=null){
me.setupText(content, text);
}
me.setupBackground(content,img.src,tsrc);
}
}
this.setupBackgrounds();
this.renderBackgrounds = function(){
for(var i in me.children){
var content = me.children[i];
var heighttmp = me.height;
if(me.maxheight>0){
if(me.maxheight<heighttmp){
heighttmp = me.maxheight;
}
}
if(me.user_dynamicheight!=null){
var user_dynamicheight = me.user_dynamicheight(me,me.height);
heighttmp = user_dynamicheight;
}
if(me.user_maxheight!=null){
console.log('user maxheight');
var user_maxheight = me.user_maxheight(me,me.height);
console.log(user_maxheight,me.height);
if(user_maxheight<heighttmp){
heighttmp = user_maxheight;
}
}
if(me.minheight>0){
if(me.minheight>heighttmp){
heighttmp = me.minheight;
}
}
content.style.height = heighttmp+'px';
content.style.width= me.width+'px';
content.style.position='absolute';
content.style.top='0px';
if(me.animation=='slide'){
if(i==me.currentIndex){
content.style.left='0px';
}else{
content.style.left = me.width+'px';
}
}else if(me.animation=='fade'){
content.style.left='0px';
}
}
};
this.renderBackgrounds();
this.resizeBackgrounds = function(){
for(var i in me.children){
var content = me.children[i];
var heighttmp = me.height;
if(me.maxheight>0){
if(me.maxheight<heighttmp){
heighttmp = me.maxheight;
}
}
if(me.user_dynamicheight!=null){
var user_dynamicheight = me.user_dynamicheight(me,me.height);
heighttmp = user_dynamicheight;
}
if(me.minheight>0){
if(me.minheight>heighttmp){
heighttmp = me.minheight;
}
}
if(me.user_maxheight!=null){
var user_maxheight = me.user_maxheight(me,me.height);
if(user_maxheight<heighttmp){
heighttmp = user_maxheight;
}
}
content.style.height = heighttmp+'px';
content.style.width= me.width+'px';
if(me.animation=='slide'){
if(i==me.currentIndex){
content.style.left='0px';
}else{
content.style.left = me.width+'px';
}
}else if(me.animation=='fade'){
content.style.left='0px';
}
}
}//resizeBackgrounds (div.pure-js-slideshow-content)
this.moveThumbs = function(direction,fromIndex,toIndex){
if(!me.animating){
if(direction=='left' && fromIndex!=toIndex){
var twidth = me.width;
var fromX = parseInt(this.thumbTbl.style.left);
var distance = (toIndex-fromIndex) * me.thumbWidth;
var toX = (Math.abs(fromX) + distance) *-1;
var diff = me.thumbTbl.offsetWidth-me.width;
if(diff>0 && Math.abs(toX)>diff){
toX = diff*-1;
}
me.slideleft(me.thumbTbl,me.transition,distance,(toX),function(){})
}else if(direction=='right' && fromIndex!=toIndex){
var twidth = me.width;
var fromX = parseInt(this.thumbTbl.style.left);
var distance = (fromIndex-toIndex) * me.thumbWidth;
var toX = (fromX + distance);
if(toX>0){
toX = 0;
}
me.slideright(me.thumbTbl,me.transition,distance,(toX),function(){})
}
}
}
this.slideleft = function(el,time,distance,toX,done){
var last = +new Date();
var pixel = parseFloat(distance/parseFloat((time/20)));
function tick(){
var left = parseFloat(el.style.left.replace('px',''));
el.style.left = left-pixel+'px';
last = +new Date();
if ( parseFloat(el.style.left.replace('px','')) > toX) {
// (window.requestAnimationFrame && requestAnimationFrame(tick)) || setTimeout(tick, 20);
setTimeout(tick,20);
}else{
el.style.left = toX +'px';
done();
}
}
tick();
}
this.slideright = function(el,time,distance,toX,done){
var last = +new Date();
var pixel = parseFloat(distance/parseFloat((time/20)));
function tick(){
var left = parseFloat(el.style.left.replace('px',''));
el.style.left = left+pixel+'px';
last = +new Date();
if ( (parseFloat(el.style.left.replace('px',''))) < toX) {
// (window.requestAnimationFrame && requestAnimationFrame(tick)) || setTimeout(tick, 16);
setTimeout(tick,20);
}else{
el.style.left = toX +'px';
done();
}
}
tick();
}
//cindex=currentIndex, pindex==previousIndex
this.selectThumb = function(cindex,pindex){
if(me.thumbElem==null){
return;
}
[].forEach.call(me.thumbElem.querySelectorAll('div'),function(el){
el.style.border='solid 1px '+me.thumbsBorderColor;
})
var t = me.thumbElem.querySelector("div[data-index='"+cindex+"']")
var left = parseInt(t.getAttribute('data-x'));
var twidth = me.width;
var tblwidth = me.thumbTbl.offsetWidth;
var smove = false;
if(twidth<tblwidth){
smove = true;
}
if(smove){
if(pindex<cindex){
me.moveThumbs('left',pindex,cindex)
}else{
me.moveThumbs('right',pindex,cindex);
}
}
t.style.borderStyle='solid';
t.style.borderColor=me.thumbsSelBorderColor;
t.style.borderWidth = '2px';
}
this.renderThumb = function(index,src){
var cell = document.createElement('td');
cell.setAttribute('cellpadding',0);
cell.setAttribute('cellspacing',0);
cell.setAttribute('data-x',index*me.thumbWidth)
cell.style.cssText = 'border-width:1px;padding:0;margin:0;border-spacing:0;border-spacing:0;box-sizing:border-box;'
var tdhtml = '<div data-index="'+index+'" style="cursor:pointer;background-image:url('+src+');background-position:center;background-size:cover;background-repeat:no-repeat;width:'+me.thumbWidth+'px;height:'+me.thumbHeight+'px;border:solid 1px '+me.thumbsBorderColor+';box-sizing:border-box;"></div>';
cell.innerHTML = tdhtml;
cell.onclick = function(){
var cindex = parseInt(this.firstChild.getAttribute('data-index'));
me.moveTo(cindex);
me.thumb_callback(me,cindex,me.images[cindex])
};
return cell;
}
this.renderThumbs = function(){
me.thumbElem = document.createElement('div');
var visible = me.thumbnails?'block':'none';
me.thumbElem.style.cssText = 'position:relative;width:100%;overflow-x:hidden;height:'+me.thumbHeight+'px;display:'+visible+';';
me.thumbTbl = document.createElement('table');
me.thumbTbl.style.cssText = 'position:absolute;top:0px;left:0px;border-style:none;padding:0;margin:0;border-width:0px;border-spacing:0;';
var row = document.createElement('tr');
me.thumbTbl.appendChild(row);
for(var i in me.image_thumbs){
var imgs = me.image_thumbs[i];
var cell = me.renderThumb(i,imgs)
row.appendChild(cell);
}
me.thumbElem.appendChild(me.thumbTbl);
me.prnt.appendChild(me.thumbElem);
}
this.renderThumbs();
this.selectThumb(0,0);
this.resize_timeout = 0;
this.onresized = function(){
me.width = me.getWidth();
me.height = me.getHeight();
me.elem.style.width = me.width+'px';
var heighttmp = me.height;
if(me.maxheight>0){
if(me.maxheight<heighttmp){
heighttmp = me.maxheight;
}
}
if(me.user_dynamicheight!=null){
var user_dynamicheight = me.user_dynamicheight(me,me.height);
heighttmp = user_dynamicheight;
}
if(me.user_maxheight!=null){
var user_maxheight = me.user_maxheight(me,me.height);
if(user_maxheight<heighttmp){
heighttmp = user_maxheight;
}
}
if(me.minheight>0){
if(me.minheight>heighttmp){
heighttmp = me.minheight;
}
}
me.elem.style.height = heighttmp+'px';
me.resizeBackgrounds();
if(me.thumbnails){
var mewidth = me.width;
var twidth = me.thumbTbl.offsetWidth;
if(me.width>twidth){
me.thumbTbl.style.left = '0px';
}
}
};
window.addEventListener('resize',function(){
clearTimeout(me.resize_timeout);
me.resize_timeout = setTimeout(function(){
me.onresized();
},100);
})
this.fadeIn = function(el, time, done) {
el.style.opacity = 0;
var last = +new Date();
var tick = function() {
el.style.opacity = +el.style.opacity + (new Date() - last) / time;
last = +new Date();
if (+el.style.opacity < 1) {
(window.requestAnimationFrame && requestAnimationFrame(tick)) || setTimeout(tick, 16);
}else{
el.style.opacity = 1;
done();
}
};
tick();
}
this.fadeOut = function(el, time, done){
el.style.opacity = 1;
var last = +new Date();
var tick = function() {
el.style.opacity = el.style.opacity - (new Date() - last) / time;
last = +new Date();
if (parseFloat(el.style.opacity) > 0) {
(window.requestAnimationFrame && requestAnimationFrame(tick)) || setTimeout(tick, 16);
}else{
el.style.opacity = 0;
done();
}
};
tick();
}
this.imageRatio = options.imageRatio?parseInt(options.imageRatio):0;
this.loadImage = function(src,index,done){
var img = new Image();
img.onload = function(){
var w = img.width;
var h = img.height;
var direction = 'horizontal';
if(h>w){
direction = 'vertical';
}
var content = me.children[index];
content.setAttribute('data-img-dir',direction);
content.setAttribute('data-img-width',w);
content.setAttribute('data-img-height',h);
if( ( me.imageRatio==1 && w<h) || me.imageRatio==2){
content.style.backgroundSize='auto 100%';
}
if(index<2)done();
}
img.onerror = function(){
if(index<2)done();
}
img.src = src;
}
this.loadImages = function(images){
var total = images.length;
var counter = 0;
function images_loaded(){
counter++;
//after the first 2 images are loaded or at least the total (could be zero or 1) then start the animation
if(counter==2 || counter==total){
me.inited = true;//plugin inited
me.inited_callback(me,me.currentIndex);
if(me.autoplay){
me.animate_timeout_handler = setTimeout(function(){
me.animate(me.currentIndex);//start the animation one the first 2 images are loaded
},me.timeout);
}
}
}
for(var m in images){
me.loadImage(images[m],m,images_loaded)
}
}
if(this.animation=='fade'){
//fix the z-indexes
for(var i in me.children){
var content = me.children[i];
content.style.zIndex = me.children-i;
content.style.left = '0px';
if(i>0){
content.style.opacity=0;
}
}
}
this.timeout = options.timeout?options.timeout:(this.prnt.getAttribute('data-timeout')!=null?parseInt(this.prnt.getAttribute('data-timeout')):2500);
this.transition = options.transition?options.transition:(this.prnt.getAttribute('data-transition')!=null?parseInt(this.prnt.getAttribute('data-transition')):500);
this.syncs = 0;
this.synced = function(done){
this.syncs++;
if(this.syncs==2){
this.syncs = 0;
me.animating = false;
done();
}
}
this.animate = function(currentIndex,toIndex){
me.currentIndex = currentIndex;
var cindex = currentIndex;
var nindex = cindex+1>=me.children_size?0:cindex+1;
if(typeof toIndex!=='undefined' && toIndex!=currentIndex){
nindex = toIndex;
}else if(typeof toIndex!=='undefined' && toIndex==currentIndex){
return;
}
var current_child = me.children[cindex];
var next_child = me.children[nindex];