fix: placeholder text as default in setup

Also added currency symbol as prefix in the starting balance field, fixes #27

lib/l10n/app_cs.arb

@@ -7,7 +7,7 @@
     "next": "Další",
     "back": "Zpět",
     "finish": "Dokončit",
-    "errorEmptyName": "Název nemůže být prázdný!",
+    "errorEmptyName": "Název peněženky nemůže být prázdný!",
     "welcome": "Vítejte!",
     "welcomeAboutPrasule": "Prašule je správce výdajů navržený pro lidi, kteří nechtějí vyplňovat každý malý detail.",
     "welcomeInstruction": "Na této obrazovce si nastavíte svoji 'peněženku', ve které budou zaznamenány vaše výdaje uspořádané do kategorií, které si nastavíte hned potom.",

lib/l10n/app_en.arb

@@ -7,7 +7,7 @@
     "next": "Next",
     "back": "Back",
     "finish": "Finish",
-    "errorEmptyName": "Name cannot be empty",
+    "errorEmptyName": "Wallet name cannot be empty",
     "welcome": "Welcome!",
     "welcomeAboutPrasule": "Prašule is an expense tracker tool designed for people, who don't want to spend too much time filling in all the little details.",
     "welcomeInstruction": "On this screen you will set up your 'wallet', in which you will track your expenses categorized under categories, which you can later set in the settings menu.",

lib/pw/platformfield.dart

@@ -23,6 +23,8 @@ class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
     this.maxLines = 1,
     this.focusNode,
     this.inputBorder = const OutlineInputBorder(),
+    this.suffix,
+    this.prefix,
   });
   final TextEditingController? controller;
   final bool? enabled;
@@ -38,6 +40,8 @@ class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
   final int? maxLines;
   final InputBorder inputBorder;
   final FocusNode? focusNode;
+  final Widget? suffix;
+  final Widget? prefix;
 
   @override
   TextField createAndroidWidget(BuildContext context) => TextField(
@@ -48,6 +52,8 @@ class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
         decoration: InputDecoration(
           labelText: labelText,
           border: inputBorder,
+          suffix: suffix,
+          prefix: prefix,
         ),
         autocorrect: autocorrect,
         keyboardType: keyboardType,
@@ -74,5 +80,7 @@ class PlatformField extends PlatformWidget<TextField, CupertinoTextField> {
         focusNode: focusNode,
         maxLines: maxLines,
         style: textStyle,
+        prefix: prefix,
+        suffix: suffix,
       );
 }

lib/views/setup.dart

@@ -215,8 +215,10 @@ class _SetupViewState extends State<SetupView> {
                     SizedBox(
                       width: MediaQuery.of(context).size.width * 0.7,
                       child: PlatformField(
-                        labelText:
+                        controller: TextEditingController(
+                          text:
                               AppLocalizations.of(context).setupNamePlaceholder,
+                        ),
                         onChanged: (t) {
                           name = t;
                         },
@@ -249,11 +251,16 @@ class _SetupViewState extends State<SetupView> {
                         keyboardType: const TextInputType.numberWithOptions(
                           decimal: true,
                         ),
+                        controller: TextEditingController(text: "0.0"),
                         inputFormatters: [
                           FilteringTextInputFormatter.allow(
                             RegExp(r'\d+[\.,]{0,1}\d{0,}'),
                           ),
                         ],
+                        prefix: Padding(
+                          padding: const EdgeInsets.only(right: 4),
+                          child: Text(_selectedCurrency.symbol),
+                        ),
                         onChanged: (t) {
                           final b = double.tryParse(t);
                           if (b == null) return;