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BangleApps/apps/getup/settings.js

49 lines
1.1 KiB
JavaScript

// This file should contain exactly one function, which shows the app's settings
/**
* @param {function} back Use back() to return to settings menu
*/
(function(back) {
const SETTINGS_FILE = 'getup.settings.json';
// initialize with default settings...
let s = {
'sitTime' : 20,
'moveTime' : 1
};
// ...and overwrite them with any saved values
// This way saved values are preserved if a new version adds more settings
const storage = require('Storage');
const saved = storage.readJSON(SETTINGS_FILE, 1) || {};
for (const key in saved) {
s[key] = saved[key];
}
// creates a function to safe a specific setting, e.g. save('color')(1)
function save(key) {
return function (value) {
s[key] = value;
storage.write(SETTINGS_FILE, s);
};
}
const menu = {
'': { 'title': 'Get Up' },
'< Back': back,
'Sit time (min)': {
value: s.sitTime,
min: 0,
max: 10000,
step: 1,
onchange: save('sitTime'),
},
'Move time (min)': {
value: s.moveTime,
min: 0,
max: 5000,
step: 1,
onchange: save('moveTime'),
},
};
E.showMenu(menu);
})