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itk-slider.js
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(function(){
var itkSlider = {
Slider: function(slider){
this.width = "300px";
this.height = "500px";
this.speed = 1000;
this.time = 5000;
this.currentslide = 0;
this.isMoving = false;
this.slides = new Array;
this.timer;
var sdr_id = slider;
this.isBox = true;
this.buttonBox = {
currentbutton: 1,
mover: function(){
this.box.style.opacity = "1";
},
mout: function(){
this.box.style.opacity = "0.4";
},
init: function(p){
this.pp = p;
this.box = document.createElement("div");
this.box.style.cssText = "position: absolute; top: 0; right: 0; z-index: 100;opacity: 0.4; padding: 10px;";
sdr_id.appendChild(this.box);
if(this.box.addEventListener){
this.box.addEventListener("mouseover", this.mover.bind(this));
} else if(this.box.attachEvent){
this.box.attachEvent("onmouseover", this.mover.bind(this));
};
if(this.box.addEventListener){
this.box.addEventListener("mouseout", this.mout.bind(this));
} else if(this.box.attachEvent){
this.box.attachEvent("onmouseout", this.mout.bind(this));
};
},
buttons: new Array,
Button: function(id, box){
this.par = box;
this.nr = id;
this.button = document.createElement("div");
this.button.style.cssText = "background-color: white; margin: 2px; text-align: center; float: left; height: 16px; width: 16px; font-size: 14px; font-weight: bold; border-radius: 8px; color: black; cursor: pointer;";
var number = document.createTextNode(id+1);
this.button.appendChild(number);
this.par.box.appendChild(this.button);
this.mover = function(){
this.button.style.backgroundColor = "#0066FF";
this.button.style.color = "white";
};
this.mout = function(){
if(this.par.currentbutton == this.nr){
this.button.style.backgroundColor = "black";
this.button.style.color = "white";
} else {
this.button.style.backgroundColor = "white";
this.button.style.color = "black";
};
};
this.bclick = function(){
this.par.pp.buttonClick(this.nr);
};
if(this.button.addEventListener){
this.button.addEventListener("mouseover", this.mover.bind(this));
} else if(this.button.attachEvent){
this.button.attachEvent("onmouseover", this.mover.bind(this));
};
if(this.button.addEventListener){
this.button.addEventListener("mouseout", this.mout.bind(this));
} else if(this.button.attachEvent){
this.button.attachEvent("onmouseout", this.mout.bind(this));
};
if(this.button.addEventListener){
this.button.addEventListener("click", this.bclick.bind(this));
} else if(this.button.attachEvent){
this.button.attachEvent("onclick", this.bclick.bind(this));
};
},
changeButton: function(id){
this.buttons[this.currentbutton].button.style.backgroundColor = "white";
this.buttons[this.currentbutton].button.style.color = "black";
this.currentbutton = id;
this.buttons[this.currentbutton].button.style.backgroundColor = "black";
this.buttons[this.currentbutton].button.style.color = "white";
},
addButton: function(id){
this.buttons.push(new this.Button(id, this));
}
};
this.Slide = function(parent, swidth, sheight, data, speed){
this.frame = document.createElement("div");
this.frame.style.width = swidth;
this.frame.style.height = sheight;
this.frame.style.position = "absolute";
this.frame.style.display = "none";
this.slide = document.createElement("div");
this.slide.style.width = swidth;
this.slide.style.height = sheight;
this.slide.style.backgroundSize = "cover";
this.slide.style.float = "right";
this.slide.style.position = "relative";
if(data.title){
var title = document.createElement("div");
title.innerHTML = data.title;
title.style.cssText = "margin: 40px; position: absolute; padding: 2px 5px; background-color: black; opacity: 0.6; box-shadow: 0 0 15px 15px black; white-space: nowrap; color: white; font-size: 30px; font-weight: bold;";
this.slide.appendChild(title);
};
if(data.description){
var description = document.createElement("div");
description.innerHTML = data.description;
description.style.cssText = " background-color: white; text-align: center; font-size: 20px; color: #00005C; position: absolute; bottom: 30px; margin: 0 15px; opacity: 0.8; width: 430px; padding: 20px;";
this.slide.appendChild(description);
};
if(data.image){
this.slide.style.backgroundImage = "url("+data.image+")";
};
if(data.link){
this.slide.link = data.link;
this.slide.style.cursor = "pointer";
this.slide.onclick = function() { window.location.href = this.link };
};
this.frame.appendChild(this.slide);
parent.appendChild(this.frame);
this.hiddenSlide = function(){
this.frame.style.display = "none";
};
this.hide = function(){
this.slide.style.float = "right";
$(this.frame).animate({
width: '0'
}, {
duration: speed,
queue: false
});
setTimeout(this.hiddenSlide.bind(this), (speed-5));
};
this.displaySlide = function(){
this.frame.style.margin = "0 0 0 "+swidth;
this.frame.style.width = "0";
this.frame.style.display = "block";
this.frame.style.overflow = "hidden";
};
this.show = function(){
this.displaySlide();
this.slide.style.display = "block";
this.slide.style.float = "left";
$(this.frame).animate({
margin: '0 0 0 0',
width: swidth
}, {
duration: speed,
queue: false
});
};
};
this.nextSlide = function(){
this.isMoving = true;
this.slides[this.currentslide].hide();
this.currentslide++;
if(this.currentslide >= this.slides.length){
this.currentslide = 0;
};
if(this.isBox) this.buttonBox.changeButton(this.currentslide);
var self = this;
var ii = function(){self.slides[self.currentslide].show();};
setTimeout(ii, 30);
var moveOff = function(){self.isMoving = false;};
setTimeout(moveOff, (this.speed+50));
};
this.sliderStop = function(){
clearInterval(this.timer);
};
this.sliderStart = function(){
this.timer = setInterval(this.nextSlide.bind(this), this.time+this.speed);
};
this.sliderRun = function(){
if(this.slides.length > 1){
this.nextSlide();
this.sliderStart();
} else if(this.slides.length == 1){
this.slides[0].show();
};
};
this.slide = function(id){
this.isMoving = true;
this.sliderStop();
this.slides[this.currentslide].hide();
this.currentslide = id;
if(this.currentslide >= this.slides.length){
this.currentslide = 0;
};
if(this.isBox) this.buttonBox.changeButton(this.currentslide);
var self = this;
var ii = function(){self.slides[self.currentslide].show();};
setTimeout(ii, 30);
var moveOff = function(){self.isMoving = false;};
setTimeout(moveOff, (this.speed+30));
this.sliderStart();
};
this.buttonClick = function(id){
if(id != this.currentslide && !this.isMoving){
this.slide(id);
};
};
this.createSlides = function(slider, data){
var i;
for(i = 0; i < data.data.length; i++){
this.slides.push(new this.Slide(slider, this.width, this.height, data.data[i], this.speed));
if(this.isBox) this.buttonBox.addButton(i);
};
this.currentslide = Math.floor(Math.random()*i);
this.sliderRun();
};
this.downloadData = function(slider){
var that = this;
$.get(
slider.getAttribute("data"),
function(data){
that.createSlides(slider, data);
}
);
};
if(slider.hasAttribute("width")){
this.width = slider.getAttribute("width")+"px";
};
if(slider.hasAttribute("height")){
this.height = slider.getAttribute("height")+"px";
};
if(slider.hasAttribute("speed")){
this.speed = parseInt(slider.getAttribute("speed"));
};
if(slider.hasAttribute("time")){
this.time = parseInt(slider.getAttribute("time"));
};
if(slider.hasAttribute("nobuttons")){
this.isBox = false;
console.log("No");
} this.buttonBox.init(this);
if(slider.hasAttribute("data")){
this.downloadData(slider);
};
slider.style.cssText += "background-color: #737373; position: relative; font-family: Arial, Verdana, Sans-serif;";
slider.style.width = this.width;
slider.style.height = this.height;
},
checkJQuery: function(){
if(!window.jQuery){
var script = document.createElement('script');
script.type = "text/javascript";
script.src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js";
document.getElementsByTagName('head')[0].appendChild(script);
script.onload = this.buildSliders.bind(this);
return false;
};
return true;
},
buildSliders: function(){
if(!this.checkJQuery()) return;
var sliders = document.getElementsByClassName("itk-slider");
var i;
for(i = 0; i < sliders.length; i++){
var newSlider = new this.Slider(sliders[i]);
};
},
init: function(){
if(window.addEventListener){
window.addEventListener("load", this.buildSliders.bind(this));
} else if(window.attachEvent){
window.attachEvent("onload", this.buildSliders.bind(this));
};
},
};
itkSlider.init();
})();