Merge pull request #3025 from rigrig/switchclock

switchclock: new app: Clock Switcher

apps/clockswitch/README.md

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+# Clock Switcher
+
+This switches the default clock.   
+The idea is that you can use this app in combination with e.g. the 
+[Pattern Launcher](?q=ptlaunch) as a quick toggle, instead of navigating through
+the settings menu.
+
+## Usage
+
+Load the app to switch to your next installed clock.
+
+## Creator
+
+Richard de Boer (rigrig)

apps/clockswitch/app.js

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+const storage = require('Storage');
+const clocks = storage.list(/\.info$/)
+    .map(app => {
+        const a=storage.readJSON(app, 1);
+        return (a && a.type == "clock") ? a : undefined;
+    })
+    .filter(app => app) // filter out any undefined apps
+    .sort((a, b) => a.sortorder - b.sortorder)
+  .map(app => app.src);
+if (clocks.length<1) {
+  E.showAlert(/*LANG*/"No clocks found!", "Clock Switcher")
+    .then(load);
+} else if (clocks.length<2) {
+  E.showAlert(/*LANG*/"Nothing to do:\nOnly one clock installed!", "Clock Switcher")
+    .then(load);
+} else {
+  let settings = storage.readJSON('setting.json',true)||{clock:null};
+  const old = clocks.indexOf(settings.clock),
+        next = (old+1)%clocks.length;
+  settings.clock = clocks[next];
+  storage.writeJSON('setting.json', settings);
+  setTimeout(load, 100); // storage.writeJSON needs some time to complete
+}

apps/clockswitch/icon.js

@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("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"))

apps/clockswitch/metadata.json

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+{ "id": "clockswitch",
+  "name": "Clock Switcher",
+  "shortName":"Switch Clock",
+  "version":"0.01",
+  "description": "Switch to the next installed clock",
+  "icon": "icon.png",
+  "tags": "tool",
+  "supports": ["BANGLEJS","BANGLEJS2"],  
+  "readme": "README.md",
+  "storage": [
+    {"name":"clockswitch.app.js","url":"app.js"},
+    {"name":"clockswitch.img","url":"icon.js","evaluate":true}
+  ]
+}