From 1215c1b5a7562190548dada0da94e5c35d5299d1 Mon Sep 17 00:00:00 2001
From: Jasmin Jessich <jasmin@anw.at>
Date: Tue, 13 Jun 2017 21:45:00 +0200
Subject: Patched with live-folderstatecookie-v3.diff

- Got patch from here:
  http://www.vdr-portal.de/board16-video-disk-recorder/board55-vdr-plugins/p1159418-patch-f%C3%BCr-live-plugin-offene-knoten-im-aufnahmen-baum-persistent-machen/#post1159418
---
 javascript/treeview.js | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++
 pages/recordings.ecpp  | 12 +++++++-
 2 files changed, 90 insertions(+), 1 deletion(-)

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);
+}
diff --git a/pages/recordings.ecpp b/pages/recordings.ecpp
index 69deece..9ef8a0a 100644
--- a/pages/recordings.ecpp
+++ b/pages/recordings.ecpp
@@ -96,10 +96,12 @@ diskinfo = cString::sprintf("%s %d%%  -  %2d:%02d %s", trVDR("Disk"), Percent, H
 		}
 		function ExpandAll()
 		{
+			var openNodes = "";
 			recordingNodes = window.document.getElementsBySelector("ul.recordingslist");
 			for (idx = 0; idx < recordingNodes.length; idx++) {
 				if (recordingNodes[idx].parentNode.className != 'recordings') {
 					recordingNodes[idx].style.display = 'block';
+					openNodes += recordingNodes[idx].id + ","; 
 				}
 			}
 			expandNodes = window.document.getElementsBySelector("img.recording_expander");
@@ -110,6 +112,7 @@ diskinfo = cString::sprintf("%s %d%%  -  %2d:%02d %s", trVDR("Disk"), Percent, H
 			for (idx = 0; idx < folderNodes.length; idx++) {
 				folderNodes[idx].src = "img/folder_open.png";
 			}
+			createCookie( cookieNameRec, openNodes, 14 );
 		}
 		function CollapseAll()
 		{
@@ -127,6 +130,7 @@ diskinfo = cString::sprintf("%s %d%%  -  %2d:%02d %s", trVDR("Disk"), Percent, H
 			for (idx = 0; idx < folderNodes.length; idx++) {
 				folderNodes[idx].src = "img/folder_closed.png";
 			}
+			eraseCookie( cookieNameRec );
 		}
 		//--></script>
 	</head>
@@ -186,6 +190,8 @@ if (!deleteResult.empty()) {
 	filter;
 	path[];
 	int level = 0;
+	int counter = 0;
+	string idHash = "";
 </%args>
 <%cpp>
 RecordingsTreePtr recordingsTree(LiveRecordingsManager()->GetRecordingsTree());
@@ -206,6 +212,7 @@ else
 	recItems.sort(RecordingsItemPtrCompare::ByAscendingName);
 for (recIter = recItems.begin(); recIter != recItems.end(); ++recIter) {
 	RecordingsItemPtr recItem = *recIter;
+	counter++;
 </%cpp>
 	<li class="recording">
 		<& rec_item_dir name=(recItem->Name()) level=(recItem->Level()) &>
@@ -221,8 +228,11 @@ for (recIter = recItems.begin(); recIter != recItems.end(); ++recIter) {
 		recItemParams.add("path", recItem->Name());
 		recItemParams.add("level", lexical_cast<string, int>(level + 1));
 		recItemParams.add("filter", filter);
+		string combinedId = recItem->Name() + "_";
+		combinedId += counter + "_" + level;
+		idHash = MD5Hash(combinedId);
 </%cpp>
-		<ul class="recordingslist" style="display: none;">
+		<ul id="fldr_<$ idHash $>" class="recordingslist" style="display: none;">
 <%cpp>
 		callComp("recordings.recordings_item", request, reply, recItemParams);
 </%cpp>
-- 
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