BangleApps/apps/puzzle15/puzzle15.settings.js

50 lines
1.2 KiB
JavaScript

// Settings menu for the Puzzle15 app
(function(back) {
var FILE = "puzzle15.json";
// Load settings
var settings = Object.assign({
splashMode: "long",
startWith: "4x4"
}, require('Storage').readJSON(FILE, true) || {});
function writeSettings() {
require('Storage').writeJSON(FILE, settings);
}
// Helper method which uses int-based menu item for set of string values
function stringItems(startvalue, writer, values) {
return {
value: (startvalue === undefined ? 0 : values.indexOf(startvalue)),
format: v => values[v],
min: 0,
max: values.length - 1,
wrap: true,
step: 1,
onchange: v => {
writer(values[v]);
writeSettings();
}
};
}
// Helper method which breaks string set settings down to local settings object
function stringInSettings(name, values) {
return stringItems(settings[name], v => settings[name] = v, values);
}
var mainmenu = {
"": {
"title": "15 Puzzle"
},
"< Back": () => back(),
"Splash": stringInSettings("splashMode", ["long", "short", "off"]),
"Start with": stringInSettings("startWith", ["3x3", "4x4", "5x5", "menu"])
};
// Actually display the menu
E.showMenu(mainmenu);
});
// end of file