Cleaned up GUI's.

src/main/java/com/songoda/ultimatekits/gui/AnimatedKitGui.java

@@ -33,8 +33,6 @@ public class AnimatedKitGui extends Gui {
     private boolean done = false;
     private int tick = 0, updateTick = 0;
     private int ticksPerUpdate = 3;
-    private final int updatesPerSlow = 6;
-    private final int ticksPerUpdateSlow = 10;
     private int task;
 
     public AnimatedKitGui(UltimateKits plugin, Player player, Kit kit, ItemStack give) {
@@ -66,13 +64,15 @@ public class AnimatedKitGui extends Gui {
         });
     }
 
-    void tick() {
+    private void tick() {
         if (++tick < ticksPerUpdate) {
             return;
         }
         tick = 0;
+        int updatesPerSlow = 6;
         if (++updateTick >= updatesPerSlow) {
             updateTick = 0;
+            int ticksPerUpdateSlow = 10;
             if (++ticksPerUpdate >= ticksPerUpdateSlow) {
                 finish = true;
             }

src/main/java/com/songoda/ultimatekits/gui/BlockEditorGui.java

@@ -74,7 +74,7 @@ public class BlockEditorGui extends Gui {
 
     }
 
-    List<String> kitTypeLore(UltimateKits plugin) {
+    private List<String> kitTypeLore(UltimateKits plugin) {
         String[] type = plugin.getLocale().getMessage("interface.kitblock.switchtypelore").getMessage().split("\\|");
         return Arrays.asList(
                 type[0],

src/main/java/com/songoda/ultimatekits/gui/CategorySelectorGui.java

@@ -82,7 +82,7 @@ public class CategorySelectorGui extends Gui {
         }
     }
 
-    static final Random rand = new Random();
+    private static final Random rand = new Random();
 
     private void animateGlass() {
         for (int col = 1; col < 8; ++col) {

src/main/java/com/songoda/ultimatekits/gui/KitDecorOptionsGui.java

@@ -15,8 +15,6 @@ import java.util.Random;
 
 public class KitDecorOptionsGui extends Gui {
 
-    static final Random rand = new Random();
-
     public KitDecorOptionsGui(UltimateKits plugin, KitBlockData kitBlockData, Gui parent) {
         super(parent);
         setRows(3);

src/main/java/com/songoda/ultimatekits/gui/KitEditorGui.java

@@ -29,9 +29,9 @@ import java.util.List;
 
 public class KitEditorGui extends DoubleGui {
 
-    private UltimateKits plugin;
+    private final UltimateKits plugin;
-    private Kit kit;
+    private final Kit kit;
-    private Player player;
+    private final Player player;
 
     private boolean isInFunction = false;
     private boolean isInInventory = false;
@@ -408,6 +408,9 @@ public class KitEditorGui extends DoubleGui {
                 guiManager.showGUI(player, gui);
             }
             break;
+            default:
+                paint();
+                break;
         }
     }
 

src/main/java/com/songoda/ultimatekits/gui/KitSelectorGui.java

@@ -25,16 +25,16 @@ import java.util.stream.Collectors;
 
 public class KitSelectorGui extends Gui {
 
-    private Player player;
+    private final Player player;
-    private UltimateKits plugin;
+    private final UltimateKits plugin;
 
     private int timer;
-    private Category category;
+    private final Category category;
     private List<String> kitList;
     private boolean kitsmode = false;
 
-    private boolean glassless;
+    private final boolean glassless;
-    private int showPerRow, showPerPage;
+    private final int showPerPage;
 
     public KitSelectorGui(UltimateKits plugin, Player player, Category category) {
         this.player = player;
@@ -44,7 +44,7 @@ public class KitSelectorGui extends Gui {
 
         setTitle(plugin.getLocale().getMessage("interface.selector.title").getMessage());
         loadKits();
-        showPerRow = glassless ? 9 : 7;
+        int showPerRow = glassless ? 9 : 7;
         int nrows = (int) Math.ceil(kitList.size() / (double) showPerRow);
         setRows(glassless ? nrows : nrows + 2);
         showPerPage = showPerRow * (glassless ? (nrows == 6 ? 6 : 5) : 4);
@@ -110,7 +110,7 @@ public class KitSelectorGui extends Gui {
                 .collect(Collectors.toList());
     }
 
-    static final Random rand = new Random();
+    private static final Random rand = new Random();
 
     private void animateGlass() {
         for (int col = 1; col < 8; ++col) {

src/main/java/com/songoda/ultimatekits/gui/PreviewKitGui.java

@@ -24,17 +24,14 @@ public class PreviewKitGui extends Gui {
     private final Kit kit;
     private final Player player;
     private final UltimateKits plugin;
-    private final boolean buyable;
-    private final List<ItemStack> list;
-    private final boolean useGlassBorder = !Settings.DO_NOT_USE_GLASS_BORDERS.getBoolean();
 
     public PreviewKitGui(UltimateKits plugin, Player player, Kit kit, Gui back) {
         super(back);
         this.kit = kit;
         this.player = player;
         this.plugin = plugin;
-        this.list = kit.getReadableContents(player, true, true, false);
+        List<ItemStack> list = kit.getReadableContents(player, true, true, false);
-        this.buyable = (kit.getLink() != null || kit.getPrice() != 0);
+        boolean buyable = (kit.getLink() != null || kit.getPrice() != 0);
 
         setTitle(plugin.getLocale().getMessage("interface.preview.title")
                 .processPlaceholder("kit", kit.getTitle() != null ? TextUtils.formatText(kit.getTitle(), true) : kit.getName()).getMessage());
@@ -58,6 +55,7 @@ public class PreviewKitGui extends Gui {
         }
 
         int min = 0;
+        boolean useGlassBorder = !Settings.DO_NOT_USE_GLASS_BORDERS.getBoolean();
         if (!useGlassBorder) {
             min = 1;
             if (!buyable) {
@@ -139,7 +137,7 @@ public class PreviewKitGui extends Gui {
         }
     }
 
-    ItemStack getKitItem(ItemStack is) {
+    private ItemStack getKitItem(ItemStack is) {
         ItemMeta meta = is.getItemMeta();
         List<String> newLore = new ArrayList<>();
         if (meta != null && meta.hasLore()) {
@@ -152,7 +150,7 @@ public class PreviewKitGui extends Gui {
         return is;
     }
 
-    ItemStack getKitItem(ItemStack is, int amount) {
+    private ItemStack getKitItem(ItemStack is, int amount) {
         ItemStack is2 = is.clone();
         ItemMeta meta = is2.getItemMeta();
         List<String> newLore = new ArrayList<>();
@@ -167,7 +165,7 @@ public class PreviewKitGui extends Gui {
         return is;
     }
 
-    List<String> getBuyLore() {
+    private List<String> getBuyLore() {
         ArrayList<String> lore = new ArrayList<>();
         if (kit.hasPermissionToClaim(player)) {
             lore.add(plugin.getLocale().getMessage("interface.button.clickeco")