create interface SettingGui and used it insted of AstractSettingGui.

src/main/java/xyz/alexcrea/cuanvil/gui/config/global/AbstractEnchantConfigGui.java

@@ -6,7 +6,7 @@ import org.bukkit.event.inventory.InventoryClickEvent;
 import xyz.alexcrea.cuanvil.enchant.WrappedEnchantment;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.config.list.SettingGuiListConfigGui;
-import xyz.alexcrea.cuanvil.gui.config.settings.AbstractSettingGui;
+import xyz.alexcrea.cuanvil.gui.config.settings.SettingGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
 
 import java.util.Collections;
@@ -18,7 +18,7 @@ import java.util.function.Consumer;
  *
  * @param <T> Type of the factory of the type of setting the gui should edit.
  */
-public abstract class AbstractEnchantConfigGui<T extends AbstractSettingGui.SettingGuiFactory> extends SettingGuiListConfigGui<WrappedEnchantment, T> implements ValueUpdatableGui {
+public abstract class AbstractEnchantConfigGui<T extends SettingGui.SettingGuiFactory> extends SettingGuiListConfigGui<WrappedEnchantment, T> implements ValueUpdatableGui {
 
     /**
      * Constructor for a gui displaying available enchantment to edit a enchantment setting.

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/SettingGuiListConfigGui.java

@@ -7,13 +7,13 @@ import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
-import xyz.alexcrea.cuanvil.gui.config.settings.AbstractSettingGui;
+import xyz.alexcrea.cuanvil.gui.config.settings.SettingGui;
 
 import java.util.HashMap;
 import java.util.List;
 import java.util.function.Consumer;
 
-public abstract class SettingGuiListConfigGui< T, S extends AbstractSettingGui.SettingGuiFactory> extends ElementListConfigGui< T >{
+public abstract class SettingGuiListConfigGui< T, S extends SettingGui.SettingGuiFactory> extends ElementListConfigGui< T >{
 
     protected HashMap<T, GuiItem> guiItemMap;
     protected HashMap<T, S> factoryMap;

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/AbstractSettingGui.java

@@ -15,7 +15,7 @@ import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 /**
  * An instance gui used to edit a setting.
  */
-public abstract class AbstractSettingGui extends ChestGui {
+public abstract class AbstractSettingGui extends ChestGui implements SettingGui {
 
     protected static final String CLICK_LORE = "\u00A77Click Here to change the value";
 
@@ -95,27 +95,12 @@ public abstract class AbstractSettingGui extends ChestGui {
      */
     protected abstract Pattern getGuiPattern();
 
-    /**
-     * Called when the associated setting need to be saved.
-     *
-     * @return true if the save was successful. false otherwise
-     */
-    public abstract boolean onSave();
-
-    /**
-     * If this function return true
-     * the gui assume the associated setting can be saved.
-     *
-     * @return true if there is a change to the setting. false otherwise
-     */
-    public abstract boolean hadChange();
-
     /**
      * Most of the time a setting gui will be called from a global gui.
      * <p>
      * It is better to keep a factory that hold setting data than find what parameters to use every time.
      */
-    public abstract static class SettingGuiFactory {
+    public abstract static class SettingGuiFactory implements SettingGui.SettingGuiFactory {
         @NotNull
         protected String configPath;
         @NotNull
@@ -148,11 +133,5 @@ public abstract class AbstractSettingGui extends ChestGui {
             return config;
         }
 
-        /**
-         * Create a gui using setting parameters and current setting value.
-         *
-         * @return A new instance of the implemented setting gui.
-         */
-        public abstract AbstractSettingGui create();
     }
 }

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/BoolSettingsGui.java

@@ -1,6 +1,7 @@
 package xyz.alexcrea.cuanvil.gui.config.settings;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
 import com.github.stefvanschie.inventoryframework.pane.PatternPane;
 import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import io.delilaheve.CustomAnvil;
@@ -233,7 +234,7 @@ public class BoolSettingsGui extends AbstractSettingGui {
         }
 
         @Override
-        public AbstractSettingGui create() {
+        public Gui create() {
             // Get current value or default
             boolean now = getConfiguredValue();
             // create new gui

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/DoubleSettingGui.java

@@ -1,6 +1,7 @@
 package xyz.alexcrea.cuanvil.gui.config.settings;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
 import com.github.stefvanschie.inventoryframework.pane.PatternPane;
 import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import io.delilaheve.CustomAnvil;
@@ -471,7 +472,7 @@ public class DoubleSettingGui extends AbstractSettingGui {
         }
 
         @Override
-        public AbstractSettingGui create() {
+        public Gui create() {
             // Get value or default
             BigDecimal now = getConfiguredValue();
             // create new gui

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/EnchantCostSettingsGui.java

@@ -1,6 +1,7 @@
 package xyz.alexcrea.cuanvil.gui.config.settings;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
 import com.github.stefvanschie.inventoryframework.pane.PatternPane;
 import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import io.delilaheve.CustomAnvil;
@@ -321,7 +322,7 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
         }
 
         @Override
-        public AbstractSettingGui create() {
+        public Gui create() {
             // Get value or default
             int nowItem = getConfiguredValue();
             // create new gui

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/IntSettingsGui.java

@@ -1,6 +1,7 @@
 package xyz.alexcrea.cuanvil.gui.config.settings;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
 import com.github.stefvanschie.inventoryframework.pane.PatternPane;
 import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import io.delilaheve.CustomAnvil;
@@ -370,7 +371,7 @@ public class IntSettingsGui extends AbstractSettingGui {
         }
 
         @Override
-        public AbstractSettingGui create() {
+        public Gui create() {
             // Get value or default
             int now = getConfiguredValue();
             // create new gui

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/ItemSettingGui.java

@@ -1,6 +1,7 @@
 package xyz.alexcrea.cuanvil.gui.config.settings;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
 import com.github.stefvanschie.inventoryframework.pane.PatternPane;
 import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import io.delilaheve.CustomAnvil;
@@ -240,7 +241,7 @@ public class ItemSettingGui extends AbstractSettingGui {
         }
 
         @Override
-        public AbstractSettingGui create() {
+        public Gui create() {
             // Get current value or default
             ItemStack now = getConfiguredValue();
             // create new gui

src/main/java/xyz/alexcrea/cuanvil/gui/config/settings/SettingGui.java

@@ -0,0 +1,33 @@
+package xyz.alexcrea.cuanvil.gui.config.settings;
+
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
+
+public interface SettingGui {
+
+    /**
+     * Called when the associated setting need to be saved.
+     *
+     * @return true if the save was successful. false otherwise
+     */
+    boolean onSave();
+
+    /**
+     * If this function return true
+     * the gui assume the associated setting can be saved.
+     *
+     * @return true if there is a change to the setting. false otherwise
+     */
+    boolean hadChange();
+
+    interface SettingGuiFactory {
+
+        /**
+         * Create a gui using setting parameters and current setting value.
+         *
+         * @return A new instance of the implemented setting gui.
+         */
+        Gui create();
+
+    }
+
+}

src/main/java/xyz/alexcrea/cuanvil/gui/util/GuiGlobalActions.java

@@ -7,6 +7,7 @@ import org.bukkit.event.inventory.InventoryClickEvent;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.config.settings.AbstractSettingGui;
+import xyz.alexcrea.cuanvil.gui.config.settings.SettingGui;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
@@ -17,12 +18,12 @@ import java.util.function.Consumer;
  */
 public class GuiGlobalActions {
 
-    public final static String NO_EDIT_PERM = "§cYou do not have permission to edit the config";
+    public static final String NO_EDIT_PERM = "§cYou do not have permission to edit the config";
 
     /**
      * A Consumer that should be used if the item goal is to do nothing on click.
      */
-    public final static Consumer<InventoryClickEvent> stayInPlace = (event) -> event.setCancelled(true);
+    public static final Consumer<InventoryClickEvent> stayInPlace = event -> event.setCancelled(true);
 
     /**
      * Create a consumer to create and open a new GUI.
@@ -80,7 +81,7 @@ public class GuiGlobalActions {
      * @param factory The setting gui factory.
      * @return A consumer to create and open a new setting GUI.
      */
-    public static @NotNull Consumer<InventoryClickEvent> openSettingGuiAction(AbstractSettingGui.SettingGuiFactory factory) {
+    public static @NotNull Consumer<InventoryClickEvent> openSettingGuiAction(SettingGui.SettingGuiFactory factory) {
         return event -> {
             event.setCancelled(true);
             Gui gui = factory.create();
@@ -119,7 +120,7 @@ public class GuiGlobalActions {
      * @return A consumer to open a global GUI.
      */
     public static @NotNull Consumer<InventoryClickEvent> saveSettingAction(
-            @NotNull AbstractSettingGui setting,
+            @NotNull SettingGui setting,
             @NotNull ValueUpdatableGui goal) {
         return event -> {
             event.setCancelled(true);

src/main/java/xyz/alexcrea/cuanvil/gui/util/GuiGlobalItems.java

@@ -12,6 +12,7 @@ import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.config.settings.AbstractSettingGui;
+import xyz.alexcrea.cuanvil.gui.config.settings.SettingGui;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -132,7 +133,7 @@ public class GuiGlobalItems {
      * @return A save setting item.
      */
     public static GuiItem saveItem(
-            @NotNull AbstractSettingGui setting,
+            @NotNull SettingGui setting,
             @NotNull ValueUpdatableGui goal) {
 
         ItemStack item = new ItemStack(DEFAULT_SAVE_ITEM);
@@ -179,7 +180,7 @@ public class GuiGlobalItems {
      */
     public static GuiItem openSettingGuiItem(
             @NotNull ItemStack item,
-            @NotNull AbstractSettingGui.SettingGuiFactory factory
+            @NotNull SettingGui.SettingGuiFactory factory
     ) {
         return new GuiItem(item, GuiGlobalActions.openSettingGuiAction(factory), CustomAnvil.instance);
     }
@@ -199,7 +200,7 @@ public class GuiGlobalItems {
      * @return A formatted GuiItem that will create and open a GUI for the setting.
      */
     public static GuiItem createGuiItemFromProperties(
-            @NotNull AbstractSettingGui.SettingGuiFactory factory,
+            @NotNull SettingGui.SettingGuiFactory factory,
             @NotNull Material itemMat,
             @NotNull StringBuilder itemName,
             @NotNull Object value,