Add changing size through Settings

apps/flashcards/ChangeLog

@@ -1,3 +1,4 @@
 1.0: Local cards data
 1.1: Download cards data from Trello public board
 1.2: Configuration instructions added and card layout optimized
+1.3: Font size can be changed in Settings

apps/flashcards/app.js

@@ -3,27 +3,27 @@
  * We believe in Finnish
  */
 
-// Constants
-let SWAP_SIDE_BUZZ_MILLISECONDS = 50;
-let CARD_DATA_FILE = "flashcards.data.json";
-let CARD_EMPTY = "found no cards";
-let CARD_LINE_LENGTH = 8;
-let CARD_LINE_FONT = "20%";
-
 // Modules
 var Layout = require("Layout");
 var locale = require("locale");
 var storage = require("Storage");
 
 // Global variables
-var cards = [];
-var cardIndex = 0;
-var backSide = false;
+let SWAP_SIDE_BUZZ_MILLISECONDS = 50;
+let CARD_DATA_FILE = "flashcards.data.json";
+let CARD_SETTINGS_FILE = "flashcards.settings.json";
+let CARD_EMPTY = "no cards found";
+let cards = [];
+let cardIndex = 0;
+let backSide = false;
+let drawTimeout = undefined;
+
+let settings = storage.readJSON(CARD_SETTINGS_FILE,1) || { litsId: "", fontSize: "20%", textSize: 9 };
 
 // Cards data
 function wordWrap(str, maxLength) {
   if (maxLength == undefined) {
-    maxLength = CARD_LINE_LENGTH;
+    maxLength = settings.textSize;
   }
   let res = '';
   while (str.length > maxLength) {
@@ -76,7 +76,6 @@ function refreshCards(cardsJSON,showMsg)
 }
 
 // Drawing a card
-let drawTimeout;
 let queueDraw = function() {
   let timeout = 60000;
   if (drawTimeout) clearTimeout(drawTimeout);
@@ -86,10 +85,10 @@ let queueDraw = function() {
   }, timeout - (Date.now() % timeout));
 };
 
-var cardLayout = new Layout( {
+let cardLayout = new Layout( {
   type:"v", c: [
     {type:"txt", font:"6x8:3", label:"", id:"widgets", fillx:1 },
-    {type:"txt", font:CARD_LINE_FONT, label:"ABCDEFGHIJ KLMNOPQRST UVWXYZÅÖÄ", filly:1, fillx:1, id:"card" },
+    {type:"txt", font:settings.fontSize, label:"ABCDEFGHIJ KLMNOPQRST UVWXYZÅÖÄ", filly:1, fillx:1, id:"card" },
     {type:"txt", font:"6x8:2", label:"00:00", id:"clock", fillx:1, bgCol:g.theme.fg, col:g.theme.bg }
   ]
 }, {lazy:true});

apps/flashcards/metadata.json

@@ -2,7 +2,7 @@
   "id": "flashcards",
   "name": "Flash Cards",
   "shortName": "Flash Cards",
-  "version": "1.2",
+  "version": "1.3",
   "description": "Flash cards based on public Trello board",
   "readme":"README.md",
   "screenshots" : [ { "url":"screenshot.png" }],  

apps/flashcards/settings.js

@@ -7,7 +7,9 @@
   var trelloURL = "https://api.trello.com/1/lists/$cardsListId/cards/?fields=name%2Cdesc%2Clist";
 
   var settings = Object.assign({
-    listId: ""
+    listId: "",
+    textSize: 9,
+    fontSize: "20%"
   }, storage.readJSON(settingsFile, true) || {});
 
   function writeSettings() {
@@ -17,12 +19,18 @@
   var settingsMenu = {
     "" : { "title" : "Flash Cards" },
     "< Back" : () => back(),
-    /*"List ID": {
-      value: settings.listId,
-      onchange: v=> { settings.listId=v; writeSettings();}
-     }
-    ,*/
-    "Get from Trello": () => {
+    /*LANG*/"Font Size": {
+      value: settings.fontSize,
+      min: 0, max: 2,
+      format: v => ["15%","20%","25%"][v],
+      onchange: v => { settings.fontSize = v; writeSettings(); }
+    },
+    /*LANG*/"Text Size": {
+      value: settings.textSize,
+      min: 4, max: 14,
+      onchange: v => { settings.textSize = v; writeSettings(); }
+    },    
+    /*LANG*/"Get from Trello": () => {
       if (!storage.read(settingsFile)) { writeSettings();}
       E.showPrompt("Download cards?").then((v) => {
         let delay = 500;