/* Configuration variables */
var conf_reflection_p = 0; // Sets the height of the reflection in % of the source image
var conf_focus = 4; // Sets the numbers of images on each side of the focussed one
var conf_slider_width = 48; // Sets the px width of the slider div
var conf_images_cursor = 'pointer'; // Sets the cursor type for all images default is 'default'
var conf_slider_cursor = 'default'; // Sets the slider cursor type: try "e-resize" default is 'default'
/* Id names used in the HTML */
var conf_imageflow = 'imageflow'; // Default is 'imageflow'
var conf_loading = 'loading'; // Default is 'loading'
var conf_images = 'images'; // Default is 'images'
var conf_captions = 'captions'; // Default is 'captions'
var conf_scrollbar = 'scrollbar'; // Default is 'scrollbar'
var conf_slider = 'slider'; // Default is 'slider'
/* Define global variables */
var caption_id = 0;
var new_caption_id = 0;
var current = 750;
var target = 0;
var mem_target = 0;
var timer = 0;
var array_images = new Array();
var new_slider_pos = 0;
var dragging = false;
var dragobject = null;
var dragx = 0;
var posx = 0;
var new_posx = 0;
var xstep = 140;
var htmlContent = "";
var adUnitNamesArray = ["Roller","Mobile Flash","HTML5 Video","HTML5 Rich Media","Video Overpass","Rotator","Rotator + Slider"];
function setOpacity(image, value)
{
if (image.filters && image.filters[0])
{
image.filters[0].opacity = value * 100;
//console.log("If Opacity: " + value * 100);
}
else
{
image.style.opacity = value;
//console.log("Else Opacity: " + value);
}
}
function step()
{
switch (target < current-1 || target > current+1)
{
case true:
moveTo(current + (target - current) / 3);
window.setTimeout(step, 120); //changed to 70, initially it was 50
timer = 1;
break;
default:
timer = 0;
break;
}
}
function glideTo(x, new_caption_id)
{
/* Animate gliding to new x position */
target = x;
mem_target = x;
if (timer == 0)
{
window.setTimeout(step, 120);
timer = 1;
}
/* Display new caption */
caption_id = new_caption_id;
caption = img_div.childNodes.item(array_images[caption_id]).getAttribute('alt');
if (caption == '') caption = ' ';
caption_div.innerHTML = caption;
/* Set scrollbar slider to new position */
if (dragging == false)
{
new_slider_pos = (scrollbar_width * (-(x*100/((max-1)*xstep))) / 100) - new_posx;
slider_div.style.marginLeft = (new_slider_pos - conf_slider_width) + 'px';
}
}
function moveTo(x) {
current = x;
var zIndex = max;
/* Main loop */
leftArr = [];
for (var index = 0; index < max; index++) {
var image = img_div.childNodes.item(array_images[index]);
var current_image = index * -xstep;
/* Don't display images that are not conf_focussed */
// if ((x < -(xstep*5.5)) || (x > (xstep*5.5)))
// {
// image.style.visibility = 'hidden';
// image.style.display = 'none';
// }
if ((current_image + max_conf_focus) < mem_target || (current_image - max_conf_focus) > mem_target) {
image.style.visibility = 'hidden';
image.style.display = 'none';
}
else
{
var z = Math.sqrt(10000 + x * x) + 100;
var xs = x / z * size + size;
/* Still hide images until they are processed, but set display style to block */
image.style.display = 'block';
image.style.visibility = 'visible';
/* Process new image height and image width */
var new_img_h = (image.h / image.w * image.pc) / z * size;
var check = 0;
switch ( new_img_h > max_height )
{
case false:
var new_img_w = image.pc / z * size;
if (image.i == '3') {//for the ipad
//console.log("If New Image Height: " + new_img_h + " Image: " + image.i + " Max height: " + max_height);
new_img_w = image.pc / z * size + 30;
check = 0;
}
break;
default:
new_img_h = max_height;
//console.log("Else New Image Height: " + new_img_h + " Image: " + image.i + " Max height: " + max_height);
var new_img_w = image.w * new_img_h / image.h + 20;
if (image.i == '3') { //for the ipad
//console.log("If New Image Height: " + new_img_h + " Image: " + image.i + " Max height: " + max_height);
new_img_w = image.pc / z * size + 65;
check = 1;
}
break;
}
var new_img_top = (images_width * 0.34 - new_img_h) * 0.5 + images_top;
/* Set new image properties */
if (check == 1 && image.i == '3') {
image.style.left = xs - (image.pc / 2) / z * size + images_left - 30 + 'px';
}
else {
image.style.left = xs - (image.pc / 2) / z * size + images_left + 'px';
}
if(new_img_w && new_img_h)
{
image.style.height = new_img_h + 'px';
image.style.width = new_img_w + 'px';
image.style.top = new_img_top + 'px';
}
/* Set the image opacity */
if ((x < -(xstep*4.5)) || (x > (xstep*4.5)))
{
if (x > 0)
setOpacity(image, (xstep*5.5-x)/xstep);
else
setOpacity(image, (xstep*5.5+x)/xstep);
}
else
{
setOpacity(image, 1);
}
/* Set image layer through zIndex */
switch ( x < 0 )
{
case true:
zIndex++;
break;
default:
zIndex = zIndex - 1;
break;
}
/* Change zIndex and onclick function of the focussed image */
switch ( image.i == caption_id )
{
case false:
image.onclick = function() { glideTo(this.x_pos, this.i); }
break;
default:
zIndex = zIndex + 1;
image.onclick = function() {
/*document.location = this.url;*/
//console.log(this.i);
//here we have to display the video
var videoTest = checkVideo(); //returns 0-no video, 1-video supported
//alert(videoTest);
if (videoTest == 0) {
//play flas
htmlContent = '' +
'
' +
'
' +
'' +
'
';
}
$.colorbox({ transition: 'none', speed: 100, title: adUnitNamesArray[this.i], initialWidth: 150, initialHeight: 330, html: htmlContent });
$("#panelContainer").trigger("pause"); //stop the carousel auto slideshow
//console.log("########## " + document.getElementById('videoPlayer'));
if (videoTest == 1)
document.getElementById('videoPlayer').play();
}
break;
}
image.style.zIndex = zIndex;
}
x += xstep;
}
}
function checkVideo() {
if (document.createElement('video').canPlayType) {
var vidTest = document.createElement("video");
oggTest = vidTest.canPlayType('video/ogg; codecs="theora, vorbis"');
if (!oggTest) {
h264Test = vidTest.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"');
if (!h264Test) {
//alert("Sorry. No video support.");
return 0;
}
else {
if (h264Test == "probably") {
//alert("Yeah! Full support!");
return 1;
}
else {
//alert("Meh. Some support.");
return 0;
}
}
}
else {
if (oggTest == "probably") {
//alert("Yeah! Full support!");
return 1;
}
else {
//alert("Meh. Some support.");
return 0;
}
}
}
else {
//alert("Sorry. No video support.");
return 0;
}
}
/* Main function */
function refresh(onload)
{
/* Cache document objects in global variables */
imageflow_div = document.getElementById(conf_imageflow);
img_div = document.getElementById(conf_images);
scrollbar_div = document.getElementById(conf_scrollbar);
slider_div = document.getElementById(conf_slider);
caption_div = document.getElementById(conf_captions);
/* Cache global variables, that only change on refresh */
images_width = img_div.offsetWidth - 160;
//console.log(images_width);
images_top = imageflow_div.offsetTop;
images_left = imageflow_div.offsetLeft + 100;
max_conf_focus = conf_focus * xstep;
size = images_width * 0.5;
scrollbar_width = images_width * 0.6;
conf_slider_width = conf_slider_width * 0.5;
max_height = images_width * 0.51;
/* Change imageflow div properties */
imageflow_div.style.height = max_height + 'px';
/* Change images div properties */
img_div.style.height = images_width * 0.338 + 'px';
/* Change captions div properties */
caption_div.style.width = images_width + 'px';
caption_div.style.marginTop = images_width * 0.03 + 'px';
/* Change scrollbar div properties */
scrollbar_div.style.marginTop = images_width * 0.02 + 'px';
scrollbar_div.style.marginLeft = images_width * 0.2 + 'px';
scrollbar_div.style.width = scrollbar_width + 'px';
/* Set slider attributes */
slider_div.onmousedown = function () { dragstart(this); };
slider_div.style.cursor = conf_slider_cursor;
/* Cache EVERYTHING! */
max = img_div.childNodes.length;
//console.log("Length: " + max);
var i = 0;
for (var index = 0; index < max; index++)
{
var image = img_div.childNodes.item(index);
if (image.nodeType == 1)
{
array_images[i] = index;
/* Set image onclick by adding i and x_pos as attributes! */
image.onclick = function() { glideTo(this.x_pos, this.i); }
image.x_pos = (-i * xstep);
image.i = i;
/* Add width and height as attributes ONLY once onload */
if(onload == true)
{
image.w = image.getAttribute('w');
image.h = image.getAttribute('h');
}
/* Check source image format. Get image height minus reflection height! */
switch ((image.w + 1) > (image.h / (conf_reflection_p + 1)))
{
/* Landscape format */
case true:
image.pc = 118;
break;
/* Portrait and square format */
default:
image.pc = 100;
break;
}
/* Set ondblclick event */
image.url = image.getAttribute('longdesc');
//image.ondblclick = function() { /*document.location = this.url;*/ }
/* Set image cursor type */
image.style.cursor = conf_images_cursor;
i++;
}
}
max = array_images.length;
/* Display images in current order */
moveTo(current);
glideTo(current, caption_id);
}
/* Show/hide element functions */
function show(id)
{
var element = document.getElementById(id);
element.style.visibility = 'visible';
}
function hide(id)
{
var element = document.getElementById(id);
element.style.visibility = 'hidden';
element.style.display = 'none';
}
function init()
{
if(document.getElementById(conf_imageflow))
{
refresh(true);
glideTo(-430, 0);
//glideTo(0, 0); //initially
}
}