mirror of https://github.com/espruino/BangleApps
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
// This file should contain exactly one function, which shows the app's settings
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/**
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* @param {function} back Use back() to return to settings menu
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*/
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const boolFormat = v => v ? /*LANG*/"On" : /*LANG*/"Off";
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(function(back) {
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const SETTINGS_FILE = 'f9settings.json'
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// initialize with default settings...
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let settings = {
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'lightning': false,
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}
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// ...and overwrite them with any saved values
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// This way saved values are preserved if a new version adds more settings
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const storage = require('Storage')
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const saved = storage.readJSON(SETTINGS_FILE, 1) || {}
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for (const key in saved) {
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settings[key] = saved[key];
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}
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// creates a function to safe a specific setting, e.g. save('color')(1)
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function save(key) {
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return function (value) {
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settings[key] = value;
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storage.write(SETTINGS_FILE, settings);
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}
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}
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const menu = {
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'': { 'title': 'OpenWind' },
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'< Back': back,
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'Lightning': {
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value: settings.lightning,
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format: boolFormat,
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onchange: save('lightning'),
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}
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}
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E.showMenu(menu);
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})
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