[update] start frame buttons state

src/haxe/ru/m/puzzlez/view/StartFrame.hx

@@ -34,9 +34,17 @@ import ru.m.puzzlez.storage.ImageStorage;
         sources.data = data;
     }
 
+    private function refresh():Void {
+        var startedCount = gameStorage.list(STARTED).length;
+        var completeCount = gameStorage.list(COMPLETE).length;
+        loadButton.text = 'Resume (${startedCount})';
+        completeButton.text = 'Complete (${completeCount})';
+        loadButton.disabled = startedCount == 0;
+        completeButton.disabled = completeCount == 0;
+    }
+
     override public function onShow(data:Dynamic):Void {
-        loadButton.text = 'Resume (${gameStorage.list(STARTED).length})';
-        completeButton.text = 'Complete (${gameStorage.list(COMPLETE).length})';
+        refresh();
     }
 
     private function sourceViewFactory(index:Int, source:ImageListSource<Dynamic>):ButtonView {

src/haxe/ru/m/puzzlez/view/StartFrame.yaml

@@ -37,6 +37,7 @@ views:
         style: button.red
         text: Clean
         +onPress: ~clean()
+        visible: false
   - $type: haxework.view.form.LabelView
     text: $r:text:version
     geometry.position: absolute