Create settings.js

apps/suw/settings.js

@@ -0,0 +1,42 @@
+(function(back) {
+  var FILE = "suw.json";
+  // Load settings
+  var settings = Object.assign({
+    nextTideHour: 11,
+    nextTideMin: 01,
+    nextTideType: "low ",
+  }, require('Storage').readJSON(FILE, true) || {});
+
+  function writeSettings() {
+    require('Storage').writeJSON(FILE, settings);
+  }
+
+  // Show the menu
+  E.showMenu({
+    "" : { "title" : "Seaside Watch" },
+    "< Back" : () => back(),
+    'High or low?': {
+      value: !!settings.nextTideType,  // !! converts undefined to false
+      format: v => v?"high":"low ",
+      onchange: v => {
+        settings.nextTideType = v;
+        writeSettings();
+      }
+    },
+    'Hour?': {
+      value: 0|settings.nextTideHour,  // 0| converts undefined to 0
+      min: 0, max: 23,
+      onchange: v => {
+        settings.nextTideHour = v;
+        writeSettings();
+      },
+    'Minutes?': {
+      value: 0|settings.nextTideMin,  // 0| converts undefined to 0
+      min: 0, max: 59,
+      onchange: v => {
+        settings.nextTideMin = v;
+        writeSettings();
+      }
+    },
+  });
+})