forked from FOSS/BangleApps
49 lines
1.2 KiB
JavaScript
49 lines
1.2 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 = 'metronome.settings.json';
|
|
|
|
// initialize with default settings...
|
|
let s = {
|
|
'beatsperbar': 4,
|
|
'buzzintens': 0.75,
|
|
};
|
|
// ...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': 'Metronome' },
|
|
'< Back': back,
|
|
'beats per bar': {
|
|
value: s.beatsperbar,
|
|
min: 1,
|
|
max: 8,
|
|
step: 1,
|
|
onchange: save('beatsperbar'),
|
|
},
|
|
'buzz intensity': {
|
|
value: s.buzzintens,
|
|
min: 0.0,
|
|
max: 1.0,
|
|
step: 0.25,
|
|
onchange: save('buzzintens'),
|
|
},
|
|
};
|
|
E.showMenu(menu);
|
|
})
|