From 7c1295bf5dc8f72f4e0e43af72fe67847faadf6f Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 13 Jun 2020 15:26:41 +0200
Subject: Add collapse button and store collapse state of each node as cookies.

---
 src/ws/view.js | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

(limited to 'src/ws/view.js')

diff --git a/src/ws/view.js b/src/ws/view.js
index 78b23c1..2c9d507 100644
--- a/src/ws/view.js
+++ b/src/ws/view.js
@@ -13,6 +13,37 @@ function createNode()
 }
 */
 
+var cookies = null;
+function initCookie(cookie, index)
+{
+	name = cookie.split('=')[0].trim();
+	value = cookie.split('=')[1];
+	cookies[name] = value;
+}
+function initCookies()
+{
+	cookies = new Object();
+	document.cookie.split(';').forEach(initCookie);
+}
+function setCookie(name, value)
+{
+	if(cookies == null)
+	{
+		initCookies();
+	}
+	cookies[name] = value;
+	document.cookie = name + "=" + value+"; expires=Fri, 31 Dec 9999 23:59:59 GMT";
+}
+
+function getCookie(name)
+{
+	if(cookies == null)
+	{
+		initCookies();
+	}
+	return cookies[name];
+}
+
 function getNode(subscribeid, id)
 {
 }
@@ -249,3 +280,21 @@ function addChild(e)
 	id = idFromStr(e.target.parentElement.id);
 	create("x", id, -1);
 }
+
+function collapse(e)
+{
+	var id = e.target.parentElement.id;
+	var collapsed = getCookie(id+"_collapsed") == "true";
+	collapsed = !collapsed;
+	setCookie(id+"_collapsed", collapsed?"true":"false");
+
+	e.stopPropagation();
+	if(collapsed)
+	{
+		e.target.parentElement.style.maxHeight = "32px";
+	}
+	else
+	{
+		e.target.parentElement.style.maxHeight = "inherit";
+	}
+}
-- 
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