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// ---------------------------------------------
// --- Name: Easy DHTML Treeview --
// --- Author: D.D. de Kerf --
// --- Adapted: Jasmin Jessich --
// --- Adapted: hepi (via patch) --
// --- Adapted: Dieter Hametner --
// --- Version: 0.3 Date: 14-6-2017 --
// ---------------------------------------------
function findSibling(node, name)
{
while ((node.nextSibling.nodeType != Node.ELEMENT_NODE)
|| (node.nextSibling.nodeName != name)) {
node = node.nextSibling;
}
if (node.nextSibling.nodeName == name)
return node.nextSibling;
return null;
}
function findChildNode(node, className)
{
for (idx = 0; idx < node.childNodes.length; idx++) {
n = node.childNodes.item(idx);
if (n.nodeType == Node.ELEMENT_NODE) {
attr = n.getAttributeNode("class");
if ((attr != null) && (attr.nodeValue == className)) {
return n;
}
}
}
return null;
}
function findImageNode(node, className)
{
for (idx = 0; idx < node.childNodes.length; idx++) {
n = node.childNodes.item(idx);
if ((n.nodeType == Node.ELEMENT_NODE) && (n.nodeName == "IMG")) {
attr = n.getAttributeNode("class");
if ((attr != null) && (attr.nodeValue == className)) {
return n;
}
}
}
return null;
}
function setImages(node, expand, folder)
{
// Change the image (if there is an image)
if (node.childNodes.length > 0)
{
expandNode = findImageNode(node, "recording_expander");
if (expandNode != null)
expandNode.src = expand;
folderNode = findImageNode(node, "recording_folder");
if (folderNode != null)
folderNode.src = folder;
}
}
function Toggle(node)
{
// Unfold the branch if it isn't visible
sibling = findSibling(node, "UL");
if (sibling == null)
return;
imgChild = findChildNode(node, "recording_imgs");
if (sibling.style.display == 'none')
{
if (imgChild != null)
setImages(imgChild, "img/minus.png", "img/folder_open.png");
sibling.style.display = 'block';
updateCookieOnExpand( sibling.id );
}
// Collapse the branch if it IS visible
else
{
updateCookieOnCollapse( sibling.id );
if (imgChild != null)
setImages(imgChild, "img/plus.png", "img/folder_closed.png");
sibling.style.display = 'none';
}
}
function updateCookieOnExpand( id )
{
var openNodes = readCookie( cookieNameRec );
if (openNodes == null || openNodes == "")
openNodes = id;
else
openNodes += "," + id;
createCookie( cookieNameRec, openNodes, 14 );
}
function updateCookieOnCollapse( id )
{
var openNodes = readCookie( cookieNameRec );
if (openNodes != null)
openNodes = openNodes.split(",");
else
openNodes = [];
for (var z=0; z<openNodes.length; z++){
if (openNodes[z] === id){
openNodes.splice(z,1);
break;
}
}
openNodes = openNodes.join(",");
createCookie( cookieNameRec, openNodes, 14 );
}
function openNodesOnPageLoad()
{
var openNodes = readCookie( cookieNameRec );
if (openNodes != null && openNodes !== "")
openNodes = openNodes.split(",");
else
openNodes = [];
for (var z=0; z<openNodes.length; z++){
var ul = document.getElementById(openNodes[z]);
if (ul){
ul.style.display = 'block';
var imgChild = ul.parentNode.children[0].children[0];
if (imgChild != null)
setImages(imgChild, "img/minus.png", "img/folder_open.png");
}
}
}
var cookieNameRec = "VDR-Live-Recordings-Tree-Open-Nodes";
window.addEvent('domready', function()
{
openNodesOnPageLoad();
});
//The following cookie functions are taken from http://www.quirksmode.org/js/cookies.html
function createCookie(name,value,days)
{
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name)
{
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
function eraseCookie(name)
{
createCookie(name,"",-1);
}
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