add strike time preview

apps.json

@@ -3065,7 +3065,7 @@
   "name": "Hour Strike",
   "shortName": "Hour Strike",
   "icon": "app-icon.png",
-  "version": "0.04",
+  "version": "0.05",
   "description": "Strike the clock on the hour. A great tool to remind you an hour has passed!",
   "tags": "tool,alarm",
   "readme": "README.md",

apps/hourstrike/ChangeLog

@@ -2,3 +2,4 @@
 0.02: Add different strike intervals and support for quiet time
 0.03: Bug fixes for setting attributes
 0.04: Add more time to strike and the strength
+0.05: Add display for the next strike time

apps/hourstrike/README.md

@@ -13,6 +13,7 @@ This app is slightly different from [Hour Chime](https://github.com/espruino/Ban
 - Strike the hour, the half hour, the quarter hour, and more
 - Set up a range of hours that clock will strike
 - Set up the strength of the strike
+- Preview when the next strike will happen
 
 ## Known Issues
 

apps/hourstrike/app.js

@@ -11,6 +11,8 @@ function resetSettings() {
     start: 9,
     end: 21,
     vlevel: 0.5,
+    next_hour: -1,
+    next_minute: -1,
   };
   updateSettings();
 }
@@ -58,9 +60,10 @@ function showMainMenu() {
         settings.vlevel = v/10;
         updateSettings();
       }
-    },
+    }
-    '< Back': ()=>load()
   };
+  mainmenu['Next strike '+settings.next_hour+':'+settings.next_minute] = function(){};
+  mainmenu['< Back'] = ()=>load();
   return E.showMenu(mainmenu);
 }
 

apps/hourstrike/boot.js

@@ -1,19 +1,25 @@
 (function() {
-  var setting = require('Storage').readJSON('hourstrike.json',1)||[];
+  var settings = require('Storage').readJSON('hourstrike.json',1)||[];
   var t = new Date();
   var t_min_sec = t.getMinutes()*60+t.getSeconds();
-  var wait_msec = setting.interval>0?(setting.interval-t_min_sec%setting.interval)*1000:-1;
+  var wait_msec = settings.interval>0?(settings.interval-t_min_sec%settings.interval)*1000:-1;
   if (wait_msec>0) {
     t.setMilliseconds(t.getMilliseconds()+wait_msec);
     var t_hour = t.getHours();
-    if (t_hour<setting.start||t_hour>setting.end) {
+    if (t_hour<settings.start||t_hour>settings.end) {
       var strike = new Date(t.getTime());
-      strike.setHours(setting.start);
+      strike.setHours(settings.start);
-      if (t_hour>setting.end) {
+      if (t_hour>settings.end) {
         strike.setDate(strike.getDate()+1);
       }
       wait_msec += strike-t;
+      settings.next_hour = strike.getHours();
+      settings.next_minute = strike.getMinutes();
+    } else {
+      settings.next_hour = t_hour;
+      settings.next_minute = t.getMinutes();
     }
+    require('Storage').write('hourstrike.json', settings);
     setTimeout(function() {load("hourstrike.js");}, wait_msec);
   }
 })();