multitimer: add setting for initial screen

This also updates multitimer.json to hold settings as well as stopwatches.

apps/multitimer/ChangeLog

@@ -6,3 +6,4 @@
 0.06: Support fastloading
 0.07: Fix fastloading support - ensure drag handler's restored after
       menu display/fastload removes it
+0.08: Add setting for initial page to display

apps/multitimer/app.js

@@ -328,9 +328,21 @@ function editTimer(idx, a) {
   setUI();
 }
 
+function readAndConvJson() {
+  let json = require("Storage").readJSON("multitimer.json", true);
+
+  if (Array.isArray(json)) {
+    // old format, convert
+    json = { sw: json };
+    require("Storage").writeJSON("multitimer.json", json);
+  }
+
+  return json;
+}
+
 function drawSw() {
   layer = 1;
-  const sw = require("Storage").readJSON("multitimer.json", true) || [];
+  const sw = readAndConvJson().sw;
 
   function updateTimers(idx) {
     if (!timerInt1[idx]) timerInt1[idx] = setTimeout(function() {
@@ -382,12 +394,14 @@ function drawSw() {
 
 function swMenu(idx, a) {
   layer = -1;
-  const sw = require("Storage").readJSON("multitimer.json", true) || [];
+  const json = require("Storage").readJSON("multitimer.json", true) || {};
+  json.sw = json.sw || [];
+  const sw = json.sw;
   if (sw[idx]) a = sw[idx];
   else {
     a = {"t" : 0, "on" : false, "msg" : ""};
     sw[idx] = a;
-    require("Storage").writeJSON("multitimer.json", sw);
+    require("Storage").writeJSON("multitimer.json", json);
   }
 
   function updateTimer() {
@@ -408,7 +422,7 @@ function swMenu(idx, a) {
     }
     else delete a.msg;
     sw[idx] = a;
-    require("Storage").writeJSON("multitimer.json", sw);
+    require("Storage").writeJSON("multitimer.json", json);
     swMenu(idx, a);
     });
   }
@@ -458,7 +472,7 @@ function swMenu(idx, a) {
     select : (i) => {
 
       function saveAndReload() {
-        require("Storage").writeJSON("multitimer.json", sw);
+        require("Storage").writeJSON("multitimer.json", json);
         s.draw();
       }
 
@@ -707,5 +721,17 @@ function onDrag(e) {
   }
 }
 
-drawTimers();
+switch (readAndConvJson().initialScreen) {
+  case 0:
+  case undefined:
+  default:
+    drawTimers();
+    break;
+  case 1:
+    drawSw();
+    break;
+  case 2:
+    drawAlarms();
+    break;
+}
 }

apps/multitimer/metadata.json

@@ -1,7 +1,7 @@
 {
   "id": "multitimer",
   "name": "Multi Timer",
-  "version": "0.07",
+  "version": "0.08",
   "description": "Set timers and chronographs (stopwatches) and watch them count down in real time. Pause, create, edit, and delete timers and chronos, and add custom labels/messages. Also sets alarms.",
   "icon": "app.png",
   "screenshots": [
@@ -16,6 +16,7 @@
     {"name":"multitimer.app.js","url":"app.js"},
     {"name":"multitimer.boot.js","url":"boot.js"},
     {"name":"multitimer.alarm.js","url":"alarm.js"},
+    {"name":"multitimer.settings.js","url":"settings.js"},
     {"name":"multitimer.img","url":"app-icon.js","evaluate":true}
   ],
   "data": [{"name":"multitimer.json"}],

apps/multitimer/settings.js

@@ -0,0 +1,31 @@
+(function(back) {
+  const file = "multitimer.json";
+  let json = require('Storage').readJSON(file, true);
+  if (Array.isArray(json)) {
+    // old format, convert
+    json = { sw: json };
+  }
+
+  function writeSettings() {
+    require('Storage').writeJSON(file, json);
+  }
+
+  const screens = ["Timers", "Chronos", "Alarms"];
+
+  E.showMenu({
+    "": {
+      "title": "multitimer"
+    },
+    "< Back": back,
+    "Initial screen": {
+      value: json.initialScreen || 0,
+      min: 0,
+      max: screens.length - 1,
+      format: v => screens[v],
+      onchange: v => {
+        json.initialScreen = v;
+        writeSettings();
+      }
+    },
+  });
+});