BangleApps/apps/cscsensor/settings.js

46 lines
1.3 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 = 'cscsensor.json'
// initialize with default settings...
let s = {
'wheelcirc': 2230,
}
// ...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': /*LANG*/'Cycle speed sensor' },
'< Back': back,
/*LANG*/'Wheel circ.(mm)': {
value: s.wheelcirc,
min: 800,
max: 2400,
step: 5,
onchange: save('wheelcirc'),
},
/*LANG*/'Reset total distance': function() {
E.showPrompt(/*LANG*/"Zero total distance?", {buttons: {/*LANG*/"No":false, /*LANG*/"Yes":true}}).then(function(v) {
if (v) {
s['totaldist'] = 0;
storage.write(SETTINGS_FILE, s);
}
}).then(back);
}
}
E.showMenu(menu);
})