1 files changed, 79 insertions, 0 deletions
diff --git a/javascript/treeview.js b/javascript/treeview.js
index e9edbdd..5047966 100644
--- a/javascript/treeview.js
+++ b/javascript/treeview.js
@@ -72,12 +72,91 @@ function Toggle(node)
 		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] === sibling.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 = findChildNode(ul.parentNode, "recording_imgs");
+			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);
+}