web: store user opts in browser storage

1 files changed, 14 insertions, 2 deletions

diff --git a/web/static/dartboat.js b/web/static/dartboat.js
index 87c6020..07c8997 100644
--- a/web/static/dartboat.js
+++ b/web/static/dartboat.js
@@ -198,7 +198,8 @@ function drawVisit(visit_no, p1_pts, p1_rem, p2_pts, p2_rem, p2_darts) {
 	e.scrollTop = e.scrollHeight;
 }
 
-function setDelay(val) {
+function setDelay(val, update_opts = true) {
+	if (update_opts) localStorage.setItem('dartboat_delay', val);
 	Module.ccall('set_delay', null, ['number'], [val]);
 }
 
@@ -206,7 +207,8 @@ function updateDelay(val) {
 	document.getElementById('delay').value = val;
 }
 
-function setStdev(val) {
+function setStdev(val, update_opts = true) {
+	if (update_opts) localStorage.setItem('dartboat_stdev', val);
 	Module.ccall('set_stdev', null, ['number', 'number'], [val, val]);
 }
 
@@ -214,6 +216,16 @@ function updateStdev(val) {
 	document.getElementById('stdev').value = val;
 }
 
+function read_opts() {
+	let val;
+
+	if ((val = localStorage.getItem('dartboat_delay')))
+		setDelay(val, false);
+
+	if ((val = localStorage.getItem('dartboat_stdev')))
+		setStdev(val, false);
+}
+
 function modal(id) {
 	document.getElementById(id).style.display = 'block';
 }