Last part of the config gui. (#7)

Also:
- Fix Custom recipe config GUI not being reloaded on reload config command
- Added description text to some values.

README.md

@@ -6,10 +6,7 @@ It is expected to work on 1.18 to 1.20.5 minecraft servers running spigot or pap
 **Custom Anvil** was previously named **Unsafe Enchants+**.
 It was renamed because it now affects every anvil aspect and not only unsafe enchants
 
-**Custom Anvil** is based on [Unsafe Enchants](https://github.com/DelilahEve/UnsafeEnchants) by  DelilahEve. You can find it on 
+**Custom Anvil** is based on [Unsafe Enchants](https://github.com/DelilahEve/UnsafeEnchants) by  DelilahEve.
-[GitHub](https://github.com/DelilahEve/UnsafeEnchants/releases/latest), 
-[Spigot](https://www.spigotmc.org/resources/unsafe-enchants.104708/) or
-[CurseForge](https://www.curseforge.com/minecraft/bukkit-plugins/unsafe-enchants/files/all)
 
 ### Download Locations:
 
@@ -25,7 +22,7 @@ or [on GitHub](https://github.com/alexcrea/CustomAnvil/releases/latest)
 - Custom items of unit repairs (repair damaged with unit of "material", for example the repair of diamond sword by diamonds)
 - Custom XP cost for every aspect of the anvil
 - Permissions to bypass level limit or enchantment restriction.
-- Gui to configure the plugin in game (in alpha: can only edit 6/7 configs. next versions will focus on this feature)
+- Gui to configure the plugin in game
 ---
 ### Permissions:
 ```yml
@@ -54,10 +51,9 @@ Default configuration can be found on following links:
 - [custom_recipes.yml](https://github.com/alexcrea/CustomAnvil/blob/master/src/main/resources/custom_recipes.yml)
 ---
 ### Known issue:
-- Custom recipe config GUI is not reloaded on reload config command. (this should not impact a lot of admin, Custom recipe config should be edited manually only in rare occasion)
+There is non known issue, if you find one please report the issue.
 
 ### Planned:
-- Finish the config gui
 - Semi manual config update on pluign or minecraft update
 - Check unknow registered enchantment & warn
 - Warn admin on unsuported minecraft version 

build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 }
 
 group = "xyz.alexcrea"
-version = "1.4.3a"
+version = "1.4.4"
 
 repositories {
     mavenCentral()

src/main/java/xyz/alexcrea/cuanvil/gui/config/MainConfigGui.java

@@ -29,7 +29,7 @@ public class MainConfigGui extends ChestGui {
 
     private void init() {
         Pattern pattern = new Pattern(
-                "I00000000",
+                "000000000",
                 "012304567",
                 "Q00000000"
         );
@@ -41,6 +41,7 @@ public class MainConfigGui extends ChestGui {
         // Basic config item
         ItemStack basicConfigItemstack = new ItemStack(Material.COMMAND_BLOCK);
         ItemMeta basicConfigMeta = basicConfigItemstack.getItemMeta();
+        assert basicConfigMeta != null;
 
         basicConfigMeta.setDisplayName("\u00A7aBasic Config Menu");
         basicConfigMeta.setLore(Collections.singletonList("\u00A77Click here to open basic config menu"));
@@ -52,6 +53,7 @@ public class MainConfigGui extends ChestGui {
         // enchant level limit item
         ItemStack enchantLimitItemstack = new ItemStack(Material.ENCHANTED_BOOK);
         ItemMeta enchantLimitMeta = enchantLimitItemstack.getItemMeta();
+        assert enchantLimitMeta != null;
 
         enchantLimitMeta.setDisplayName("\u00A7aEnchantment Level Limit");
         enchantLimitMeta.setLore(Collections.singletonList("\u00A77Click here to open enchantment level limit menu"));
@@ -63,6 +65,7 @@ public class MainConfigGui extends ChestGui {
         // enchant cost item
         ItemStack enchantCostItemstack = new ItemStack(Material.EXPERIENCE_BOTTLE);
         ItemMeta enchantCostMeta = enchantCostItemstack.getItemMeta();
+        assert enchantCostMeta != null;
 
         enchantCostMeta.setDisplayName("\u00A7aEnchantment Cost");
         enchantCostMeta.setLore(Collections.singletonList("\u00A77Click here to open enchantment costs menu"));
@@ -72,29 +75,34 @@ public class MainConfigGui extends ChestGui {
         pane.bindItem('3', enchantCostItem);
 
         // Enchantment Conflicts item
-        ItemStack EnchantConflictItemstack = new ItemStack(Material.OAK_FENCE);
+        ItemStack enchantConflictItemstack = new ItemStack(Material.OAK_FENCE);
-        ItemMeta enchantConflictMeta = EnchantConflictItemstack.getItemMeta();
+        ItemMeta enchantConflictMeta = enchantConflictItemstack.getItemMeta();
+        assert enchantConflictMeta != null;
 
         enchantConflictMeta.setDisplayName("\u00A7aEnchantment Conflict");
         enchantConflictMeta.setLore(Collections.singletonList("\u00A77Click here to open enchantment conflict menu"));
-        EnchantConflictItemstack.setItemMeta(enchantConflictMeta);
+        enchantConflictItemstack.setItemMeta(enchantConflictMeta);
 
-        GuiItem enchantConflictItem = GuiGlobalItems.goToGuiItem(EnchantConflictItemstack, EnchantConflictGui.INSTANCE);
+        GuiItem enchantConflictItem = GuiGlobalItems.goToGuiItem(enchantConflictItemstack, EnchantConflictGui.INSTANCE);
         pane.bindItem('4', enchantConflictItem);
 
-        // WIP configuration items
+        // Group config items
-        ItemStack wipItemstack = new ItemStack(Material.BARRIER);
+        ItemStack groupItemstack = new ItemStack(Material.CHEST);
-        ItemMeta wipMeta = wipItemstack.getItemMeta();
+        ItemMeta groupMeta = groupItemstack.getItemMeta();
-        wipMeta.setDisplayName("\u00A7cWIP");
+        assert groupMeta != null;
-        wipItemstack.setItemMeta(wipMeta);
 
-        GuiItem wip = new GuiItem(wipItemstack, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
+        groupMeta.setDisplayName("\u00A7aGroups");
+        groupMeta.setLore(Collections.singletonList("\u00A77Click here to open material group menu"));
+        groupItemstack.setItemMeta(groupMeta);
 
-        pane.bindItem('5', wip);
+        GuiItem groupConfigItem = GuiGlobalItems.goToGuiItem(groupItemstack, GroupConfigGui.INSTANCE);
+
+        pane.bindItem('5', groupConfigItem);
 
         // Unit repair item
         ItemStack unirRepairItemstack = new ItemStack(Material.DIAMOND);
         ItemMeta unitRepairMeta = unirRepairItemstack.getItemMeta();
+        assert unitRepairMeta != null;
 
         unitRepairMeta.setDisplayName("\u00A7aUnit Repair");
         unitRepairMeta.setLore(Collections.singletonList("\u00A77Click here to open anvil unit repair menu"));
@@ -105,7 +113,8 @@ public class MainConfigGui extends ChestGui {
 
         // Custom recipe item
         ItemStack customRecipeItemstack = new ItemStack(Material.CRAFTING_TABLE);
-        ItemMeta customRecipeMeta = EnchantConflictItemstack.getItemMeta();
+        ItemMeta customRecipeMeta = customRecipeItemstack.getItemMeta();
+        assert customRecipeMeta != null;
 
         customRecipeMeta.setDisplayName("\u00A7aCustom recipes");
         customRecipeMeta.setLore(Collections.singletonList("\u00A77Click here to open anvil custom recipe menu"));
@@ -117,6 +126,8 @@ public class MainConfigGui extends ChestGui {
         // quit item
         ItemStack quitItemstack = new ItemStack(Material.BARRIER);
         ItemMeta quitMeta = quitItemstack.getItemMeta();
+        assert quitMeta != null;
+
         quitMeta.setDisplayName("\u00A7cQuit");
         quitItemstack.setItemMeta(quitMeta);
 
@@ -126,17 +137,6 @@ public class MainConfigGui extends ChestGui {
         }, CustomAnvil.instance);
         pane.bindItem('Q', quitItem);
 
-        // create & bind "info" item
-        ItemStack infoItemstack = new ItemStack(Material.PAPER);
-        ItemMeta infoMeta = infoItemstack.getItemMeta();
-
-        infoMeta.setDisplayName("\u00A7eThis is a alpha version of the gui !");
-        infoMeta.setLore(Collections.singletonList("\u00A77If you have feedback or idea you can send them to the dev !"));
-        infoItemstack.setItemMeta(infoMeta);
-
-        GuiItem infoItem = new GuiItem(infoItemstack, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
-        pane.bindItem('I', infoItem);
-
     }
 
 }

src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectGroupContainer.java

@@ -1,7 +1,11 @@
 package xyz.alexcrea.cuanvil.gui.config;
 
 import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
 import java.util.Set;
 
 public interface SelectGroupContainer {
@@ -12,4 +16,30 @@ public interface SelectGroupContainer {
 
     Set<AbstractMaterialGroup> illegalGroups();
 
+    static List<String> getGroupLore(SelectGroupContainer container, String containerType, String groupAction){
+        // Prepare group lore
+        ArrayList<String> groupLore = new ArrayList<>();
+        groupLore.add("\u00A77Allow you to select a list of \u00A73Groups \u00A77that this " + containerType + " should " + groupAction);
+        Set<AbstractMaterialGroup> grouos = container.getSelectedGroups();
+        if (grouos.isEmpty()) {
+            groupLore.add("\u00A77There is no "+groupAction+"d group for this "+containerType+".");
+        } else {
+            groupLore.add("\u00A77List of "+groupAction+"d groups for this "+containerType+":");
+            Iterator<AbstractMaterialGroup> groupIterator = grouos.iterator();
+
+            boolean greaterThanMax = grouos.size() > 5;
+            int maxindex = (greaterThanMax ? 4 : grouos.size());
+            for (int i = 0; i < maxindex; i++) {
+                // format string like "- Melee Weapons"
+                String formattedName = CasedStringUtil.snakeToUpperSpacedCase(groupIterator.next().getName());
+                groupLore.add("\u00A77- \u00A73" + formattedName);
+
+            }
+            if (greaterThanMax) {
+                groupLore.add("\u00A77And " + (grouos.size() - 4) + " more...");
+            }
+        }
+        return groupLore;
+    }
+
 }

src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectMaterialContainer.java

@@ -1,8 +1,9 @@
 package xyz.alexcrea.cuanvil.gui.config;
 
 import org.bukkit.Material;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 
-import java.util.EnumSet;
+import java.util.*;
 
 public interface SelectMaterialContainer {
 
@@ -12,4 +13,30 @@ public interface SelectMaterialContainer {
 
     EnumSet<Material> illegalMaterials();
 
+    static List<String> getMaterialLore(SelectMaterialContainer container, String containerType, String action){
+        // Prepare material lore
+        ArrayList<String> groupLore = new ArrayList<>();
+        groupLore.add("\u00A77Allow you to select a list of \u00A7ematerials \u00A77that this " + containerType + " should " + action);
+        Set<Material> materialSet = container.getSelectedMaterials();
+        if (materialSet.isEmpty()) {
+            groupLore.add("\u00A77There is no "+action+"d material for this "+containerType+".");
+        } else {
+            groupLore.add("\u00A77List of "+action+"d materials for this "+containerType+":");
+            Iterator<Material> materialIterator = materialSet.iterator();
+
+            boolean greaterThanMax = materialSet.size() > 5;
+            int maxindex = (greaterThanMax ? 4 : materialSet.size());
+            for (int i = 0; i < maxindex; i++) {
+                // format string like "- Stone Sword"
+                String formattedName = CasedStringUtil.snakeToUpperSpacedCase(materialIterator.next().name().toLowerCase());
+                groupLore.add("\u00A77- \u00A7e" + formattedName);
+
+            }
+            if (greaterThanMax) {
+                groupLore.add("\u00A77And " + (materialSet.size() - 4) + " more...");
+            }
+        }
+        return groupLore;
+    }
+
 }

src/main/java/xyz/alexcrea/cuanvil/gui/config/ask/ConfirmActionGui.java

@@ -19,11 +19,14 @@ import java.util.logging.Level;
 public class ConfirmActionGui extends AbstractAskGui {
 
     public ConfirmActionGui(@NotNull String title, String actionDescription,
-                            Gui backOnCancel, Gui backOnConfirm, Supplier<Boolean> onConfirm) {
+                            Gui backOnCancel, Gui backOnConfirm, Supplier<Boolean> onConfirm,
+                            boolean permanent) {
         super(3, title, backOnCancel);
 
         // Save item
-        this.pane.bindItem('S', new GuiItem(GuiSharedConstant.CONFIRM_ITEM, event -> {
+        this.pane.bindItem('S', new GuiItem(
+                (permanent ? GuiSharedConstant.CONFIRM_PERMANENT_ITEM : GuiSharedConstant.CONFIRM_ITEM),
+                event -> {
             event.setCancelled(true);
             HumanEntity player = event.getWhoClicked();
 
@@ -53,12 +56,19 @@ public class ConfirmActionGui extends AbstractAskGui {
         ItemMeta infoMeta = infoItem.getItemMeta();
 
         infoMeta.setDisplayName("\u00A7eAre you sure ?");
+        if(actionDescription != null){
             infoMeta.setLore(Arrays.asList(actionDescription.split("\n")));
+        }
 
         infoItem.setItemMeta(infoMeta);
 
         pane.bindItem('I', new GuiItem(infoItem, GuiGlobalActions.stayInPlace, CustomAnvil.instance));
     }
+    public ConfirmActionGui(@NotNull String title, String actionDescription,
+                            Gui backOnCancel, Gui backOnConfirm, Supplier<Boolean> onConfirm){
+        this(title, actionDescription, backOnCancel, backOnConfirm, onConfirm, true);
+    }
+
 
     @Override
     protected Pattern getGuiPattern() {

src/main/java/xyz/alexcrea/cuanvil/gui/config/ask/SelectItemTypeGui.java

@@ -16,7 +16,6 @@ import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
 import java.util.Arrays;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.BiConsumer;
-import java.util.function.Consumer;
 
 public class SelectItemTypeGui extends AbstractAskGui {
 

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

@@ -18,6 +18,7 @@ import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
 
+import java.util.Arrays;
 import java.util.Collections;
 
 /**
@@ -74,52 +75,84 @@ public class BasicConfigGui extends ValueUpdatableGui {
     protected void prepareValues() {
         // limit repair item
         this.limitRepairFactory = BoolSettingsGui.boolFactory("\u00A78Limit Repair Cost ?", this,
-                ConfigOptions.LIMIT_REPAIR_COST, ConfigHolder.DEFAULT_CONFIG, ConfigOptions.DEFAULT_LIMIT_REPAIR);
+                ConfigOptions.LIMIT_REPAIR_COST, ConfigHolder.DEFAULT_CONFIG, ConfigOptions.DEFAULT_LIMIT_REPAIR,
+                "\u00A77Whether all anvil actions cost should be capped.",
+                "\u00A77If true, all anvil repairs will max out at the value of \u00A7aLimit Repair Value\u00A77.");
 
-        // rename cost item
+        // repair cost item
         IntRange range = ConfigOptions.REPAIR_LIMIT_RANGE;
         this.repairCostFactory = IntSettingsGui.intFactory("\u00A78Repair Cost Limit", this,
-                ConfigOptions.LIMIT_REPAIR_VALUE, ConfigHolder.DEFAULT_CONFIG, range.getFirst(), range.getLast(),
+                ConfigOptions.LIMIT_REPAIR_VALUE, ConfigHolder.DEFAULT_CONFIG,
+                Arrays.asList(
+                        "\u00A77Value to limit repair costs to when \u00A7aLimit Repair Value\u00A77 is true.",
+                        "\u00A77Valid values include \u00A7e1 \u00A77to \u00A7e39\u00A77: " +
+                                "vanilla would display \u00A7e40+\u00A77 as \u00A7ctoo expensive\u00A77."
+                ),
+                range.getFirst(), range.getLast(),
                 ConfigOptions.DEFAULT_LIMIT_REPAIR_VALUE,
                 1, 5, 10);
 
-        // rename cost not needed
+        // repair cost not needed
         ItemStack item = new ItemStack(Material.BARRIER);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
-        meta.setDisplayName("\u00A7cRepair Cost Value");
+        meta.setDisplayName("\u00A7cLimit Repair Value");
-        meta.setLore(Collections.singletonList("\u00A77Please, enable repair cost limit for this variable to be editable."));
+        meta.setLore(Collections.singletonList("\u00A77This config need \u00A7cLimit Repair Cost\u00A77 enabled."));
         item.setItemMeta(meta);
         this.notNeededLimitValueItem = new GuiItem(item, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
 
         // remove repair limit item
         this.removeRepairLimit = BoolSettingsGui.boolFactory("\u00A78Remove Repair Limit ?", this,
-                ConfigOptions.REMOVE_REPAIR_LIMIT, ConfigHolder.DEFAULT_CONFIG, ConfigOptions.DEFAULT_REMOVE_LIMIT);
+                ConfigOptions.REMOVE_REPAIR_LIMIT, ConfigHolder.DEFAULT_CONFIG, ConfigOptions.DEFAULT_REMOVE_LIMIT,
+                "\u00A77Whether the anvil's repair limit should be removed entirely.",
+                "\u00A77The anvil will still visually display \u00A7ctoo expensive\u00A77.",
+                "\u00A77However the action will be completable.");
 
         // item repair cost
         range = ConfigOptions.REPAIR_COST_RANGE;
         this.itemRepairCost = IntSettingsGui.intFactory("\u00A78Item Repair Cost", this,
-                ConfigOptions.ITEM_REPAIR_COST, ConfigHolder.DEFAULT_CONFIG, range.getFirst(), range.getLast(),
+                ConfigOptions.ITEM_REPAIR_COST, ConfigHolder.DEFAULT_CONFIG,
+                Arrays.asList(
+                        "\u00A77XP Level amount added to the anvil when the item",
+                        "\u00A77is repaired by another item of the same type."
+                ),
+                range.getFirst(), range.getLast(),
                 ConfigOptions.DEFAULT_ITEM_REPAIR_COST,
                 1, 5, 10, 50, 100);
 
         // unit repair cost
         this.unitRepairCost = IntSettingsGui.intFactory("\u00A78Unit Repair Cost", this,
-                ConfigOptions.UNIT_REPAIR_COST, ConfigHolder.DEFAULT_CONFIG, range.getFirst(), range.getLast(),
+                ConfigOptions.UNIT_REPAIR_COST, ConfigHolder.DEFAULT_CONFIG,
+                Arrays.asList(
+                        "\u00A77XP Level amount added to the anvil when the item is repaired by an \u00A7eunit\u00A77.",
+                        "\u00A77For example: a Diamond on a Diamond Sword.",
+                        "\u00A77What's considered unit for what can be edited on the unit repair configuration."
+                ),
+                range.getFirst(), range.getLast(),
                 ConfigOptions.DEFAULT_UNIT_REPAIR_COST,
                 1, 5, 10, 50, 100);
 
         // item rename cost
         range = ConfigOptions.ITEM_RENAME_COST_RANGE;
         this.itemRenameCost = IntSettingsGui.intFactory("\u00A78Rename Cost", this,
-                ConfigOptions.ITEM_RENAME_COST, ConfigHolder.DEFAULT_CONFIG, range.getFirst(), range.getLast(),
+                ConfigOptions.ITEM_RENAME_COST, ConfigHolder.DEFAULT_CONFIG,
+                Arrays.asList(
+                        "\u00A77XP Level amount added to the anvil when the item is renamed."
+                ),
+                range.getFirst(), range.getLast(),
                 ConfigOptions.DEFAULT_ITEM_RENAME_COST,
                 1, 5, 10, 50, 100);
 
         // sacrifice illegal enchant cost
         range = ConfigOptions.SACRIFICE_ILLEGAL_COST_RANGE;
         this.sacrificeIllegalEnchantCost = IntSettingsGui.intFactory("\u00A78Sacrifice Illegal Enchant Cost", this,
-                ConfigOptions.SACRIFICE_ILLEGAL_COST, ConfigHolder.DEFAULT_CONFIG, range.getFirst(), range.getLast(),
+                ConfigOptions.SACRIFICE_ILLEGAL_COST, ConfigHolder.DEFAULT_CONFIG,
+                Arrays.asList(
+                        "\u00A77XP Level amount added to the anvil when a sacrifice enchantment",
+                        "\u00A77conflict With one of the left item enchantment"
+                ),
+                range.getFirst(), range.getLast(),
                 ConfigOptions.DEFAULT_SACRIFICE_ILLEGAL_COST,
                 1, 5, 10, 50, 100);
 
@@ -128,36 +161,36 @@ public class BasicConfigGui extends ValueUpdatableGui {
     @Override
     public void updateGuiValues() {
         // limit repair item
-        GuiItem limitRepairItem = GuiGlobalItems.boolSettingGuiItem(this.limitRepairFactory);
+        GuiItem limitRepairItem = this.limitRepairFactory.getItem();
         pane.bindItem('1', limitRepairItem);
 
         // rename cost item
         GuiItem limitRepairValueItem;
         if (this.limitRepairFactory.getConfiguredValue()) {
-            limitRepairValueItem = GuiGlobalItems.intSettingGuiItem(this.repairCostFactory, Material.EXPERIENCE_BOTTLE);
+            limitRepairValueItem = this.repairCostFactory.getItem(Material.EXPERIENCE_BOTTLE);
         } else {
             limitRepairValueItem = this.notNeededLimitValueItem;
         }
         pane.bindItem('2', limitRepairValueItem);
 
         // remove repair limit item
-        GuiItem removeRepairLimitItem = GuiGlobalItems.boolSettingGuiItem(this.removeRepairLimit);
+        GuiItem removeRepairLimitItem = this.removeRepairLimit.getItem();
         pane.bindItem('3', removeRepairLimitItem);
 
         // item repair cost
-        GuiItem itemRepairCostItem = GuiGlobalItems.intSettingGuiItem(this.itemRepairCost, Material.ANVIL);
+        GuiItem itemRepairCostItem = this.itemRepairCost.getItem(Material.ANVIL);
         pane.bindItem('4', itemRepairCostItem);
 
         // unit repair cost
-        GuiItem unitRepairCostItem = GuiGlobalItems.intSettingGuiItem(this.unitRepairCost, Material.DIAMOND);
+        GuiItem unitRepairCostItem = this.unitRepairCost.getItem(Material.DIAMOND);
         pane.bindItem('5', unitRepairCostItem);
 
         // item rename cost
-        GuiItem itemRenameCost = GuiGlobalItems.intSettingGuiItem(this.itemRenameCost, Material.NAME_TAG);
+        GuiItem itemRenameCost = this.itemRenameCost.getItem(Material.NAME_TAG);
         pane.bindItem('6', itemRenameCost);
 
         // sacrifice illegal enchant cost
-        GuiItem illegalCostItem = GuiGlobalItems.intSettingGuiItem(this.sacrificeIllegalEnchantCost, Material.ENCHANTED_BOOK);
+        GuiItem illegalCostItem = this.sacrificeIllegalEnchantCost.getItem(Material.ENCHANTED_BOOK);
         pane.bindItem('7', illegalCostItem);
 
         update();

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

@@ -41,6 +41,7 @@ public class CustomRecipeConfigGui extends MappedGuiListConfigGui<AnvilCustomRec
 
         // edit displayed item
         ItemMeta meta = displaydItem.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7e" + CasedStringUtil.snakeToUpperSpacedCase(recipe.toString()) + " \u00A7fCustom recipe");
         meta.addItemFlags(ItemFlag.values());
@@ -73,8 +74,8 @@ public class CustomRecipeConfigGui extends MappedGuiListConfigGui<AnvilCustomRec
         // Create new empty conflict and display it to the admin
         AnvilCustomRecipe recipe = new AnvilCustomRecipe(
                 name,
-                AnvilCustomRecipe.Companion.getDEFAULT_EXACT_COUNT_CONFIG(),
+                AnvilCustomRecipe.DEFAULT_EXACT_COUNT_CONFIG,
-                AnvilCustomRecipe.Companion.getDEFAULT_XP_COST_CONFIG(),
+                AnvilCustomRecipe.DEFAULT_XP_COST_CONFIG,
                 AnvilCustomRecipe.Companion.getDEFAULT_LEFT_ITEM_CONFIG(),
                 AnvilCustomRecipe.Companion.getDEFAULT_RIGHT_ITEM_CONFIG(),
                 AnvilCustomRecipe.Companion.getDEFAULT_RESULT_ITEM_CONFIG());

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

@@ -2,6 +2,7 @@ package xyz.alexcrea.cuanvil.gui.config.global;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
 import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
@@ -57,7 +58,9 @@ public class EnchantConflictGui extends MappedGuiListConfigGui<EnchantConflictGr
         ItemStack item = new ItemStack(conflict.getRepresentativeMaterial());
 
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
+        meta.addItemFlags(ItemFlag.values());
         meta.setDisplayName("\u00A7e" + CasedStringUtil.snakeToUpperSpacedCase(conflict.toString()) + " \u00A7fConflict");
         meta.setLore(Arrays.asList(
                 "\u00A77Enchantment count:       \u00A7e" + conflict.getEnchants().size(),

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

@@ -12,7 +12,9 @@ import xyz.alexcrea.cuanvil.gui.config.settings.EnchantCostSettingsGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.Locale;
 
 /**
@@ -32,7 +34,7 @@ public class EnchantCostConfigGui extends AbstractEnchantConfigGui<EnchantCostSe
      * Constructor of this Global gui for enchantment cost settings.
      */
     private EnchantCostConfigGui() {
-        super("\u00A78Enchantment Level Limit");
+        super("\u00A78Enchantment Level Cost");
 
     }
 
@@ -49,7 +51,12 @@ public class EnchantCostConfigGui extends AbstractEnchantConfigGui<EnchantCostSe
         }
 
         return EnchantCostSettingsGui.enchantCostFactory(prettyKey + " Level Cost", this,
-                SECTION_NAME + '.' + key, ConfigHolder.DEFAULT_CONFIG, 0, 255,
+                SECTION_NAME + '.' + key, ConfigHolder.DEFAULT_CONFIG,
+                Arrays.asList(
+                        "\u00A77How many level should " + prettyKey,
+                        "\u00A77cost when applied by book or by another item."
+                ),
+                0, 255,
                 rarity.getItemValue(), rarity.getBookValue(),
                 1, 10, 50);
     }
@@ -63,12 +70,22 @@ public class EnchantCostConfigGui extends AbstractEnchantConfigGui<EnchantCostSe
         // Create item
         ItemStack item = new ItemStack(Material.ENCHANTED_BOOK);
         ItemMeta itemMeta = item.getItemMeta();
+        assert itemMeta != null;
+
+        // Prepare lore
+        List<String> lore = new ArrayList<>();
+        lore.add("\u00A77Item  Cost: \u00A7e" + itemCost);
+        lore.add("\u00A77Book Cost: \u00A7e" + bookCost);
+
+        List<String> displayLore = factory.getDisplayLore();
+        if(!displayLore.isEmpty()){
+            lore.add("");
+            lore.addAll(displayLore);
+        }
 
         // Edit name and lore
         itemMeta.setDisplayName(itemName);
-        itemMeta.setLore(Arrays.asList(
+        itemMeta.setLore(lore);
-                "\u00A77Item  Cost: " + itemCost,
-                "\u00A77Book Cost: " + bookCost));
 
         item.setItemMeta(itemMeta);
 

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

@@ -5,9 +5,9 @@ import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.config.settings.IntSettingsGui;
-import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 
+import java.util.Collections;
 import java.util.Locale;
 
 /**
@@ -37,14 +37,18 @@ public class EnchantLimitConfigGui extends AbstractEnchantConfigGui<IntSettingsG
         String prettyKey = CasedStringUtil.snakeToUpperSpacedCase(key);
 
         return IntSettingsGui.intFactory(prettyKey + " Level Limit", this,
-                SECTION_NAME + '.' + key, ConfigHolder.DEFAULT_CONFIG, 0, 255,
+                SECTION_NAME + '.' + key, ConfigHolder.DEFAULT_CONFIG,
+                Collections.singletonList(
+                        "\u00A77Maximum applied level of " + prettyKey
+                ),
+                0, 255,
                 enchant.getMaxLevel(),
                 1, 5, 10, 50, 100);
     }
 
     @Override
     public GuiItem getItemFromFactory(IntSettingsGui.IntSettingFactory inventoryFactory) {
-        return GuiGlobalItems.intSettingGuiItem(inventoryFactory,
+        return inventoryFactory.getItem(
                 Material.ENCHANTED_BOOK,
                 inventoryFactory.getTitle());
     }

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

@@ -0,0 +1,84 @@
+package xyz.alexcrea.cuanvil.gui.config.global;
+
+import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.inventory.ItemFlag;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
+import xyz.alexcrea.cuanvil.group.GroupType;
+import xyz.alexcrea.cuanvil.group.IncludeGroup;
+import xyz.alexcrea.cuanvil.group.ItemGroupManager;
+import xyz.alexcrea.cuanvil.gui.config.list.MappedGuiListConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.list.elements.GroupConfigSubSettingGui;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class GroupConfigGui extends MappedGuiListConfigGui<IncludeGroup, GroupConfigSubSettingGui> {
+
+    public final static GroupConfigGui INSTANCE = new GroupConfigGui();
+
+    static {
+        INSTANCE.init();
+    }
+
+    public GroupConfigGui() {
+        super("Group Config");
+    }
+
+    @Override
+    protected ItemStack createItemForGeneric(IncludeGroup group) {
+        ItemStack item = new ItemStack(group.getRepresentativeMaterial());
+        ItemMeta meta = item.getItemMeta();
+        assert meta != null;
+
+        meta.addItemFlags(ItemFlag.values());
+        meta.setDisplayName("\u00A7e" + CasedStringUtil.snakeToUpperSpacedCase(group.getName())+ " \u00A7fGroup");
+        meta.setLore(Arrays.asList(
+                "\u00A77Number of selected groups : " + group.getGroups().size(),
+                "\u00A77Number of included material : " + group.getNonGroupInheritedMaterials().size(),
+                "",
+                "\u00A77Total number of included material "+group.getMaterials().size()));
+
+        item.setItemMeta(meta);
+        return item;
+    }
+
+    @Override
+    protected List<IncludeGroup> getEveryDisplayableInstanceOfGeneric() {
+        ArrayList<IncludeGroup> includeGroups = new ArrayList<>();
+
+        for (AbstractMaterialGroup group : ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().getGroupMap().values()) {
+            if(group instanceof IncludeGroup){
+                includeGroups.add((IncludeGroup) group);
+            }
+        }
+        return includeGroups;
+    }
+
+    @Override
+    protected GroupConfigSubSettingGui newInstanceOfGui(IncludeGroup group, GuiItem item) {
+        return new GroupConfigSubSettingGui(this, group, item);
+    }
+
+    @Override
+    protected String genericDisplayedName() {
+        return "material group";
+    }
+
+    @Override
+    protected IncludeGroup createAndSaveNewEmptyGeneric(String name) {
+        ItemGroupManager manager = ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager();
+        if(manager.getGroupMap().containsKey(name)) return null;
+
+        ConfigurationSection config = ConfigHolder.ITEM_GROUP_HOLDER.getConfig();
+        config.set(name+"."+ItemGroupManager.GROUP_TYPE_PATH, GroupType.INCLUDE.getGroupID());
+
+        return (IncludeGroup) manager.createGroup(config, name);
+    }
+
+}

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

@@ -48,6 +48,7 @@ public class UnitRepairConfigGui extends MappedGuiListConfigGui<Material, UnitRe
 
         ItemStack item = new ItemStack(material);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7eRepaired by " +materialName);
         meta.setLore(Arrays.asList(
@@ -78,6 +79,7 @@ public class UnitRepairConfigGui extends MappedGuiListConfigGui<Material, UnitRe
         // Create new conflict item
         ItemStack createItem = new ItemStack(Material.PAPER);
         ItemMeta createMeta = createItem.getItemMeta();
+        assert createMeta != null;
 
         createMeta.setDisplayName("\u00A7aSelect a new unit material");
         createMeta.setLore(Arrays.asList(

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

@@ -34,7 +34,14 @@ public abstract class ElementListConfigGui< T > extends ValueUpdatableGui {
         this.namePrefix = title;
 
         // Back item panel
-        Pattern pattern = new Pattern(
+        Pattern pattern = getBackgroundPattern();
+        this.backgroundPane = new PatternPane(0, 0, 9, 6, Pane.Priority.LOW, pattern);
+        GuiGlobalItems.addBackItem(this.backgroundPane, MainConfigGui.INSTANCE);
+
+    }
+
+    protected Pattern getBackgroundPattern(){
+        return new Pattern(
                 GuiSharedConstant.EMPTY_GUI_FULL_LINE,
                 GuiSharedConstant.EMPTY_GUI_FULL_LINE,
                 GuiSharedConstant.EMPTY_GUI_FULL_LINE,
@@ -42,12 +49,8 @@ public abstract class ElementListConfigGui< T > extends ValueUpdatableGui {
                 GuiSharedConstant.EMPTY_GUI_FULL_LINE,
                 "B11L1R11C"
         );
-        this.backgroundPane = new PatternPane(0, 0, 9, 6, Pane.Priority.LOW, pattern);
-        GuiGlobalItems.addBackItem(this.backgroundPane, MainConfigGui.INSTANCE);
-
     }
 
-
     protected OutlinePane firstPage;
     protected ArrayList<OutlinePane> pages;
     protected HashMap<UUID, Integer> pageMap;
@@ -103,7 +106,10 @@ public abstract class ElementListConfigGui< T > extends ValueUpdatableGui {
             viewer.setItemOnCursor(cursor);
         }, CustomAnvil.instance);
 
-        this.backgroundPane.bindItem('C', prepareCreateNewItem());
+        GuiItem createNew = prepareCreateNewItem();
+        if(createNew != null){
+            this.backgroundPane.bindItem('C', createNew);
+        }
     }
     protected void reloadValues(){
         this.firstPage.clear();

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

@@ -27,6 +27,7 @@ public abstract class MappedElementListConfigGui< T, S > extends ElementListConf
         // Create new conflict item
         ItemStack createItem = new ItemStack(Material.PAPER);
         ItemMeta createMeta = createItem.getItemMeta();
+        assert createMeta != null;
 
         createMeta.setDisplayName("\u00A7aCreate new "+genericDisplayedName());
         createMeta.setLore(Arrays.asList(

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

@@ -4,6 +4,7 @@ import com.github.stefvanschie.inventoryframework.gui.GuiItem;
 import io.delilaheve.CustomAnvil;
 import org.bukkit.entity.HumanEntity;
 import org.jetbrains.annotations.NotNull;
+import xyz.alexcrea.cuanvil.gui.config.list.elements.ElementMappedToListGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
 
 import java.util.Locale;
@@ -81,6 +82,10 @@ public abstract class MappedGuiListConfigGui< T, S extends ElementMappedToListGu
             }
 
             T generic = createAndSaveNewEmptyGeneric(message);
+            if(generic == null) {// we don't know what to do. so we back up by opening this gui.
+                this.show(player);
+                return;
+            }
 
             updateValueForGeneric(generic, true);
 

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

@@ -27,6 +27,7 @@ public abstract class SettingGuiListConfigGui< T, S extends AbstractSettingGui.S
     protected GuiItem prepareCreateNewItem() {
         ItemStack createItem = new ItemStack(Material.PAPER);
         ItemMeta createMeta = createItem.getItemMeta();
+        assert createMeta != null;
 
         createMeta.setDisplayName(createItemName());
         createMeta.setLore(getCreateItemLore());

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

@@ -12,6 +12,7 @@ import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.config.ask.SelectItemTypeGui;
 import xyz.alexcrea.cuanvil.gui.config.global.UnitRepairConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.list.elements.ElementMappedToListGui;
 import xyz.alexcrea.cuanvil.gui.config.settings.DoubleSettingGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
@@ -26,19 +27,19 @@ import java.util.function.Consumer;
 public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, DoubleSettingGui.DoubleSettingFactory> implements ElementMappedToListGui {
 
     private final GuiItem parentItem;
-    private final Material material;
+    private final Material parentMaterial;
     private final UnitRepairConfigGui parentGui;
     private final String materialName;
 
     private boolean shouldWork = true;
-    public UnitRepairElementListGui(@NotNull Material material,
+    public UnitRepairElementListGui(@NotNull Material parentMaterial,
                                     @NotNull UnitRepairConfigGui parentGui,
                                     @NotNull GuiItem parentItem) {
-        super("\u00A7e" + CasedStringUtil.snakeToUpperSpacedCase(material.name().toLowerCase()) + " \u00A7rUnit repair");
+        super("\u00A7e" + CasedStringUtil.snakeToUpperSpacedCase(parentMaterial.name().toLowerCase()) + " \u00A7rUnit repair");
         this.parentItem = parentItem;
-        this.material = material;
+        this.parentMaterial = parentMaterial;
         this.parentGui = parentGui;
-        this.materialName = CasedStringUtil.snakeToUpperSpacedCase(material.name().toLowerCase());
+        this.materialName = CasedStringUtil.snakeToUpperSpacedCase(parentMaterial.name().toLowerCase());
 
         GuiGlobalItems.addBackItem(this.backgroundPane, parentGui);
     }
@@ -74,7 +75,7 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
                             player.sendMessage("\u00A7cThis item can't be damaged, so it can't be repaired.");
                             return;
                         }
-                        if(type == this.material){
+                        if(type == this.parentMaterial){
                             player.sendMessage("\u00A7cItem can't repair something of the same type.");
                             return;
                         }
@@ -82,7 +83,7 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
                         String materialName = type.name().toLowerCase();
 
                         // Add new material
-                        ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().set(material.name().toLowerCase()+"."+materialName,0.25);
+                        ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().set(parentMaterial.name().toLowerCase()+"."+materialName,0.25);
 
                         MetricsUtil.INSTANCE.notifyChange(ConfigHolder.UNIT_REPAIR_HOLDER, "");
                         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
@@ -91,7 +92,7 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
 
                         // Update gui
                         updateValueForGeneric(materialName, true);
-                        this.parentGui.updateValueForGeneric(this.material, true);
+                        this.parentGui.updateValueForGeneric(this.parentMaterial, true);
 
 
                         // Display material edit setting
@@ -110,11 +111,17 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
 
     @Override
     protected DoubleSettingGui.DoubleSettingFactory createFactory(String materialName) {
+        String materialDisplayName = CasedStringUtil.snakeToUpperSpacedCase(materialName);
+
         return DoubleSettingGui.doubleFactory(
-                "\u00A70%\u00A78" +CasedStringUtil.snakeToUpperSpacedCase(materialName)+" Repair",
+                "\u00A70%\u00A78" + materialDisplayName +" Repair",
                 this,
-                material.name().toLowerCase()+"."+materialName,
+                this.parentMaterial.name().toLowerCase()+"."+materialName,
                 ConfigHolder.UNIT_REPAIR_HOLDER,
+                Arrays.asList(
+                        "\u00A77Click here to change how many \u00A7e% \u00A77of \u00A7a" + materialDisplayName,
+                        "\u00A77Should get repaired by \u00A7e"+this.materialName
+                ),
                 2,
                 true, true,
                 0,
@@ -137,7 +144,7 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
             return keys;
         }
 
-        ConfigurationSection materialSection = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().getConfigurationSection(material.name().toLowerCase());
+        ConfigurationSection materialSection = ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().getConfigurationSection(parentMaterial.name().toLowerCase());
         if(materialSection == null){
             return keys;
         }
@@ -154,7 +161,7 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
     @Override
     public void updateGuiValues() {
         super.updateGuiValues();
-        this.parentGui.updateValueForGeneric(this.material, true);
+        this.parentGui.updateValueForGeneric(this.parentMaterial, true);
     }
 
     // ElementMappedToListGui methods

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/CustomRecipeSubSettingGui.java

@@ -66,6 +66,7 @@ public class CustomRecipeSubSettingGui extends MappedToListSubSettingGui {
         // Delete item
         ItemStack deleteItem = new ItemStack(Material.RED_TERRACOTTA);
         ItemMeta deleteMeta = deleteItem.getItemMeta();
+        assert deleteMeta != null;
 
         deleteMeta.setDisplayName("\u00A74DELETE RECIPE");
         deleteMeta.setLore(Collections.singletonList("\u00A7cCaution with this button !"));
@@ -78,24 +79,31 @@ public class CustomRecipeSubSettingGui extends MappedToListSubSettingGui {
         IntRange costRange = AnvilCustomRecipe.Companion.getXP_COST_CONFIG_RANGE();
         this.exactCountFactory = BoolSettingsGui.boolFactory("\u00A78Exact count ?", this,
                 this.anvilRecipe + "." + AnvilCustomRecipe.EXACT_COUNT_CONFIG, ConfigHolder.CUSTOM_RECIPE_HOLDER,
-                AnvilCustomRecipe.Companion.getDEFAULT_EXACT_COUNT_CONFIG());
+                AnvilCustomRecipe.DEFAULT_EXACT_COUNT_CONFIG);
 
         this.xpCostFactory = IntSettingsGui.intFactory("\u00A78Recipe Xp Cost", this,
                 this.anvilRecipe +"."+AnvilCustomRecipe.XP_COST_CONFIG, ConfigHolder.CUSTOM_RECIPE_HOLDER,
-                costRange.getFirst(), costRange.getLast(), AnvilCustomRecipe.Companion.getDEFAULT_XP_COST_CONFIG(), 1, 5, 10);
+                null,
+                costRange.getFirst(), costRange.getLast(), AnvilCustomRecipe.DEFAULT_XP_COST_CONFIG, 1, 5, 10);
 
 
         this.leftItemFactory = ItemSettingGui.itemFactory("\u00A7eRecipe Left \u00A78Item", this,
                 this.anvilRecipe + "." + AnvilCustomRecipe.LEFT_ITEM_CONFIG, ConfigHolder.CUSTOM_RECIPE_HOLDER,
-                AnvilCustomRecipe.Companion.getDEFAULT_LEFT_ITEM_CONFIG());
+                AnvilCustomRecipe.Companion.getDEFAULT_LEFT_ITEM_CONFIG(),
+                "\u00A77Set the left item of the custom craft",
+                "\u00A77\u25A0 + \u25A1 = \u25A1");
 
         this.rightItemFactory = ItemSettingGui.itemFactory("\u00A7eRecipe Right \u00A78Item", this,
                 this.anvilRecipe + "." + AnvilCustomRecipe.RIGHT_ITEM_CONFIG, ConfigHolder.CUSTOM_RECIPE_HOLDER,
-                AnvilCustomRecipe.Companion.getDEFAULT_RIGHT_ITEM_CONFIG());
+                AnvilCustomRecipe.Companion.getDEFAULT_RIGHT_ITEM_CONFIG(),
+                "\u00A77Set the right item of the custom craft",
+                "\u00A77\u25A1 + \u25A0 = \u25A1");
 
         this.resultItemFactory = ItemSettingGui.itemFactory("\u00A7aRecipe Result \u00A78Item", this,
                 this.anvilRecipe + "." + AnvilCustomRecipe.RESULT_ITEM_CONFIG, ConfigHolder.CUSTOM_RECIPE_HOLDER,
-                AnvilCustomRecipe.Companion.getDEFAULT_RESULT_ITEM_CONFIG());
+                AnvilCustomRecipe.Companion.getDEFAULT_RESULT_ITEM_CONFIG(),
+                "\u00A77Set the result item of the custom craft",
+                "\u00A77\u25A1 + \u25A1 = \u25A0");
     }
 
     private ConfirmActionGui createDeleteGui() {
@@ -141,19 +149,19 @@ public class CustomRecipeSubSettingGui extends MappedToListSubSettingGui {
     public void updateLocal() {
         if (!this.shouldWork) return;
 
-        GuiItem exactCountItem = GuiGlobalItems.boolSettingGuiItem(this.exactCountFactory);
+        GuiItem exactCountItem = this.exactCountFactory.getItem();
         this.pane.bindItem('1', exactCountItem);
 
-        GuiItem xpCostItem = GuiGlobalItems.intSettingGuiItem(this.xpCostFactory, Material.EXPERIENCE_BOTTLE);
+        GuiItem xpCostItem = this.xpCostFactory.getItem(Material.EXPERIENCE_BOTTLE);
         this.pane.bindItem('2', xpCostItem);
 
-        GuiItem leftGuiItem = GuiGlobalItems.itemSettingGuiItem(this.leftItemFactory);
+        GuiItem leftGuiItem = this.leftItemFactory.getItem();
         this.pane.bindItem('3', leftGuiItem);
 
-        GuiItem rightGuiItem = GuiGlobalItems.itemSettingGuiItem(this.rightItemFactory);
+        GuiItem rightGuiItem = this.rightItemFactory.getItem();
         this.pane.bindItem('4', rightGuiItem);
 
-        GuiItem resultGuiItem = GuiGlobalItems.itemSettingGuiItem(this.resultItemFactory);
+        GuiItem resultGuiItem = this.resultItemFactory.getItem();
         this.pane.bindItem('5', resultGuiItem);
         
         update();

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/ElementMappedToListGui.java

@@ -1,4 +1,4 @@
-package xyz.alexcrea.cuanvil.gui.config.list;
+package xyz.alexcrea.cuanvil.gui.config.list.elements;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
 import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/EnchantConflictSubSettingGui.java

@@ -26,10 +26,7 @@ import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
 import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.Set;
 import java.util.function.Supplier;
 import java.util.logging.Level;
 
@@ -73,6 +70,7 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         // Delete item
         ItemStack deleteItem = new ItemStack(Material.RED_TERRACOTTA);
         ItemMeta deleteMeta = deleteItem.getItemMeta();
+        assert deleteMeta != null;
 
         deleteMeta.setDisplayName("\u00A74DELETE CONFLICT");
         deleteMeta.setLore(Collections.singletonList("\u00A7cCaution with this button !"));
@@ -81,7 +79,6 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         this.pane.bindItem('D', new GuiItem(deleteItem, GuiGlobalActions.openGuiAction(createDeleteGui()), CustomAnvil.instance));
 
         // Displayed item will be updated later
-
         this.enchantSettingItem = new GuiItem(new ItemStack(Material.ENCHANTED_BOOK), (event) -> {
             event.setCancelled(true);
             EnchantSelectSettingGui enchantGui = new EnchantSelectSettingGui(
@@ -101,6 +98,10 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         this.minBeforeActiveSettingFactory = IntSettingsGui.intFactory(
                 "\u00A78Minimum enchantment count",
                 this, this.enchantConflict + ".maxEnchantmentBeforeConflict", ConfigHolder.CONFLICT_HOLDER,
+                Arrays.asList(
+                        "\u00A77Minimum enchantment count set to X mean only X enchantment can be put",
+                        "\u00A77on an item before the conflict is active."
+                ),
                 0, 255, 0, 1
         );
 
@@ -184,31 +185,12 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         }
 
         // Prepare group lore
-        ArrayList<String> groupLore = new ArrayList<>();
+        List<String> groupLore = SelectGroupContainer.getGroupLore(this, "conflict", "exclude");
-        groupLore.add("\u00A77Allow you to select a list of \u00A73Groups \u00A77that this conflict should include");
-        Set<AbstractMaterialGroup> grouos = getSelectedGroups();
-        if (grouos.isEmpty()) {
-            groupLore.add("\u00A77There is no excluded groups for this conflict.");
-        } else {
-            groupLore.add("\u00A77List of excluded groups for this conflict:");
-            Iterator<AbstractMaterialGroup> groupIterator = grouos.iterator();
-
-            boolean greaterThanMax = grouos.size() > 5;
-            int maxindex = (greaterThanMax ? 4 : grouos.size());
-            for (int i = 0; i < maxindex; i++) {
-                // format string like "- Melee Weapons"
-                String formattedName = CasedStringUtil.snakeToUpperSpacedCase(groupIterator.next().getName());
-                groupLore.add("\u00A77- \u00A73" + formattedName);
-
-            }
-            if (greaterThanMax) {
-                groupLore.add("\u00A77And " + (grouos.size() - 4) + " more...");
-            }
-        }
 
         // Configure enchant setting item
         ItemStack enchantItem = this.enchantSettingItem.getItem();
         ItemMeta enchantMeta = enchantItem.getItemMeta();
+        assert enchantMeta != null;
 
         enchantMeta.setDisplayName("\u00A7aSelect included \u00A75Enchantments \u00A7aSettings");
         enchantMeta.setLore(enchantLore);
@@ -220,16 +202,17 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
         // Configure group setting item
         ItemStack groupItem = this.groupSettingItem.getItem();
         ItemMeta groupMeta = groupItem.getItemMeta();
+        assert groupMeta != null;
 
-        groupMeta.setDisplayName("\u00A7aSelect excluded \u00A73Groups \u00A7aSettings");
+        groupMeta.setDisplayName("\u00A7aSelect Excluded \u00A73Groups \u00A7aSettings");
         groupMeta.setLore(groupLore);
 
         groupItem.setItemMeta(groupMeta);
 
         this.groupSettingItem.setItem(groupItem); // Just in case
 
-
+        this.pane.bindItem('M', this.minBeforeActiveSettingFactory.getItem(Material.COMMAND_BLOCK,
-        this.pane.bindItem('M', GuiGlobalItems.intSettingGuiItem(this.minBeforeActiveSettingFactory, Material.COMMAND_BLOCK));
+                "Minimum Enchantment Count"));
         update();
     }
 
@@ -288,7 +271,6 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
             CustomAnvil.instance.getLogger().log(Level.WARNING, "An error occurred while updating enchants for " + this.enchantConflict, e);
         }
 
-
         // Save file configuration to disk
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
             return ConfigHolder.CONFLICT_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/GroupConfigSubSettingGui.java

@@ -0,0 +1,401 @@
+package xyz.alexcrea.cuanvil.gui.config.list.elements;
+
+import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.pane.PatternPane;
+import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
+import io.delilaheve.CustomAnvil;
+import org.bukkit.Material;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemFlag;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.jetbrains.annotations.NotNull;
+import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.group.*;
+import xyz.alexcrea.cuanvil.gui.config.SelectGroupContainer;
+import xyz.alexcrea.cuanvil.gui.config.SelectMaterialContainer;
+import xyz.alexcrea.cuanvil.gui.config.ask.ConfirmActionGui;
+import xyz.alexcrea.cuanvil.gui.config.global.GroupConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.settings.GroupSelectSettingGui;
+import xyz.alexcrea.cuanvil.gui.config.settings.MaterialSelectSettingGui;
+import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
+import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
+import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
+
+import java.util.*;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+
+public class GroupConfigSubSettingGui extends MappedToListSubSettingGui implements SelectGroupContainer, SelectMaterialContainer {
+
+    private final GroupConfigGui parent;
+    private final IncludeGroup group;
+    private final PatternPane pane;
+    private boolean usable = true;
+
+    public GroupConfigSubSettingGui(
+            @NotNull GroupConfigGui parent,
+            @NotNull IncludeGroup group,
+            @NotNull GuiItem item) {
+        super(item, 3,
+                CasedStringUtil.snakeToUpperSpacedCase(group.getName()) + " Config");
+        this.parent = parent;
+        this.group = group;
+
+        Pattern pattern = new Pattern(
+                GuiSharedConstant.EMPTY_GUI_FULL_LINE,
+                "00102000D",
+                "B00000000"
+        );
+        this.pane = new PatternPane(0, 0, 9, 3, pattern);
+        addPane(this.pane);
+
+        prepareStaticValues();
+    }
+
+    private GuiItem materialSelection;
+    private GuiItem groupSelection;
+    private void prepareStaticValues() {
+        GuiGlobalItems.addBackItem(this.pane, this.parent);
+        GuiGlobalItems.addBackgroundItem(this.pane);
+
+        // Delete item
+        ItemStack deleteItem = new ItemStack(Material.RED_TERRACOTTA);
+        ItemMeta deleteMeta = deleteItem.getItemMeta();
+
+        deleteMeta.setDisplayName("\u00A74DELETE GROUP");
+        deleteMeta.setLore(Collections.singletonList("\u00A7cCaution with this button !"));
+
+        deleteItem.setItemMeta(deleteMeta);
+        this.pane.bindItem('D', new GuiItem(deleteItem, openGuiAndCheckAction(), CustomAnvil.instance));
+
+        // Displayed item will be updated later
+        this.materialSelection = new GuiItem(new ItemStack(Material.DIAMOND_SWORD), (event) -> {
+            event.setCancelled(true);
+
+            MaterialSelectSettingGui selectGui = new MaterialSelectSettingGui(this,
+                    CasedStringUtil.snakeToUpperSpacedCase(group.getName()) + " Materials"
+                    , this);
+            selectGui.show(event.getWhoClicked());
+
+        }, CustomAnvil.instance);
+
+        this.groupSelection = new GuiItem(new ItemStack(Material.CHEST), (event) -> {
+            event.setCancelled(true);
+            GroupSelectSettingGui enchantGui = new GroupSelectSettingGui(
+                    CasedStringUtil.snakeToUpperSpacedCase(this.group.getName()) + " Groups",
+                    this, this, 0);
+            enchantGui.show(event.getWhoClicked());
+        }, CustomAnvil.instance);
+
+        this.pane.bindItem('1', this.materialSelection);
+        this.pane.bindItem('2', this.groupSelection);
+    }
+
+    private @NotNull Consumer<InventoryClickEvent> openGuiAndCheckAction() {
+        ConfirmActionGui deleteGui = createDeleteGui();
+        return event -> {
+            event.setCancelled(true);
+            HumanEntity player = event.getWhoClicked();
+            // Do not allow to open inventory if player do not have edit configuration permission
+            if (!player.hasPermission(CustomAnvil.editConfigPermission)) {
+                player.closeInventory();
+                player.sendMessage(GuiGlobalActions.NO_EDIT_PERM);
+                return;
+            }
+            // test if group is used & cancel & warn user if so
+            if(testAndWarnIfUsed(player)) return;
+
+            deleteGui.show(player);
+        };
+    }
+
+    private @NotNull ConfirmActionGui createDeleteGui() {
+        Supplier<Boolean> deleteSupplier = () -> {
+            // test if group is used & cancel if so
+            if(!getUsedLocations(this.group).isEmpty()) return false;
+
+            ItemGroupManager manager = ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager();
+
+            // Remove from manager
+            manager.getGroupMap().remove(this.group.getName());
+
+            // Remove from parent
+            this.parent.removeGeneric(this.group);
+
+            // Remove self
+            cleanAndBeUnusable();
+
+            // Update config file storage
+            ConfigHolder.CUSTOM_RECIPE_HOLDER.getConfig().set(this.group.getName(), null);
+
+            // Save
+            boolean success = true;
+            if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
+                success = ConfigHolder.CONFLICT_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
+            }
+
+            return success;
+        };
+
+        return new ConfirmActionGui("\u00A7cDelete \u00A7e" + CasedStringUtil.snakeToUpperSpacedCase(this.group.toString()) + "\u00A7c?",
+                "\u00A77Confirm that you want to delete this group.",
+                this, this.parent, deleteSupplier
+        );
+    }
+
+    public boolean testAndWarnIfUsed(HumanEntity player){
+        List<String> usedLoc = getUsedLocations(this.group);
+        if(usedLoc.isEmpty()){
+            return false;
+        }
+        StringBuilder stb = new StringBuilder("\u00A7cCan't delete group " +this.group.getName()+
+                "\n\u00A7eUsed by:");
+        int maxIndex = usedLoc.size();
+        int nbMore = 0;
+        if(maxIndex > 10){
+            nbMore = maxIndex - 9;
+            maxIndex = 9;
+        }
+        for (int i = 0; i < maxIndex; i++) {
+            stb.append("\n\u00A7r-\u00A7e ").append(usedLoc.get(i));
+        }
+        if(nbMore > 0){
+            stb.append("\u00A7cAnd ").append(nbMore).append(" More...");
+        }
+
+        player.sendMessage(stb.toString());
+        return true;
+    }
+
+    // return a string containing every instance of where this group is used
+    public static List<String> getUsedLocations(AbstractMaterialGroup group){
+        ArrayList<String> usageList = new ArrayList<>();
+
+        // Test used by another group
+        ItemGroupManager groupManager = ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager();
+        for (AbstractMaterialGroup otherGroup : groupManager.getGroupMap().values()) {
+            if(otherGroup.getGroups().contains(group)) {
+                usageList.add("group " + otherGroup.getName());
+            }
+        }
+
+        // Test if used for conflict
+        EnchantConflictManager conflictManager = ConfigHolder.CONFLICT_HOLDER.getConflictManager();
+        for (EnchantConflictGroup conflict : conflictManager.getConflictList()) {
+            if(conflict.getCantConflictGroup().getGroups().contains(group)) {
+                usageList.add("conflict " + conflict);
+            }
+        }
+
+        return usageList;
+    }
+
+    @Override
+    public void updateGuiValues() {
+        if(!this.usable) return;
+        // Parent should call updateLocal with this call
+        this.parent.updateValueForGeneric(this.group, true);
+
+    }
+
+    @Override
+    public void updateLocal() {
+        if(!this.usable) return;
+        // Prepare material lore
+        List<String> matLore = SelectMaterialContainer.getMaterialLore(this, "group", "include");
+
+        // Prepare group lore
+        List<String> groupLore = SelectGroupContainer.getGroupLore(this, "group", "include");
+
+        // Configure included material setting item
+        ItemStack matSelectItem = this.materialSelection.getItem();
+        ItemMeta matSelectMeta = matSelectItem.getItemMeta();
+
+        matSelectMeta.setDisplayName("\u00A7aSelect included \u00A7eMaterials \u00A7aSettings");
+        matSelectMeta.setLore(matLore);
+        matSelectMeta.addItemFlags(ItemFlag.values());
+
+        matSelectItem.setItemMeta(matSelectMeta);
+
+        this.materialSelection.setItem(matSelectItem); // Just in case
+
+        // Configure enchant setting item
+        ItemStack groupSelectItem = this.groupSelection.getItem();
+        ItemMeta groupSelectMeta = groupSelectItem.getItemMeta();
+
+        groupSelectMeta.setDisplayName("\u00A7aSelect included \u00A73Groups \u00A7aSettings");
+        groupSelectMeta.setLore(groupLore);
+
+        groupSelectItem.setItemMeta(groupSelectMeta);
+
+        this.groupSelection.setItem(groupSelectItem); // Just in case
+    }
+
+    @Override
+    public void cleanAndBeUnusable() {
+        this.usable = false;
+        this.pane.bindItem('1', GuiGlobalItems.backgroundItem());
+        this.pane.bindItem('2', GuiGlobalItems.backgroundItem());
+        this.pane.bindItem('D', GuiGlobalItems.backgroundItem());
+
+    }
+
+    @Override
+    public void show(@NotNull HumanEntity player) {
+        if(!this.usable) {
+            this.parent.show(player);
+            return;
+        }
+        super.show(player);
+    }
+
+    // ----------------------------
+    // SelectGroupContainer related methods
+    // ----------------------------
+
+    @Override
+    public Set<AbstractMaterialGroup> getSelectedGroups() {
+        return this.group.getGroups();
+    }
+
+    @Override
+    public boolean setSelectedGroups(Set<AbstractMaterialGroup> groups) {
+        // update group and referencing groups
+        updateGroup(this.group, groups);
+
+        // Save file configuration to disk
+        if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
+            return ConfigHolder.CONFLICT_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
+        }
+
+        return true;
+    }
+
+    private void updateGroup(@NotNull AbstractMaterialGroup group, Set<AbstractMaterialGroup> groups){
+        // Set live configuration
+        group.setGroups(groups);
+
+        // Write to file configuration
+        groups = group.getGroups(); // Maybe some group may have been rejected
+        String[] groupNames = new String[groups.size()];
+        int index = 0;
+        for (AbstractMaterialGroup otherGroup : groups) {
+            groupNames[index++] = otherGroup.getName();
+        }
+
+        ConfigHolder.ITEM_GROUP_HOLDER.getConfig().set(group.getName()+"."+ItemGroupManager.GROUP_LIST_PATH, groupNames);
+
+        // Try to update referencing group. kind of expensive operation in some case.
+        updateDirectReferencingGroups(group);
+
+        // We assume a backup & save call will be done soon after
+    }
+
+    @Override
+    public Set<AbstractMaterialGroup> illegalGroups() {
+        Set<AbstractMaterialGroup> illegal = new HashSet<>();
+
+        for (AbstractMaterialGroup otherGroup : ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().getGroupMap().values()) {
+            if(otherGroup.isReferencing(this.group)){
+                illegal.add(otherGroup);
+            }
+        }
+        illegal.add(this.group);
+
+        return illegal;
+    }
+
+    // ----------------------------
+    // End of SelectGroupContainer related methods
+    // ----------------------------
+    // SelectGroupContainer related methods
+    // ----------------------------
+
+    @Override
+    public EnumSet<Material> getSelectedMaterials() {
+        return this.group.getNonGroupInheritedMaterials();
+    }
+
+    @Override
+    public boolean setSelectedMaterials(EnumSet<Material> materials) {
+        this.group.setNonGroupInheritedMaterials(materials);
+
+        // Write to file configuration
+        String[] groupNames = new String[materials.size()];
+        int index = 0;
+        for (Material otherGroup : materials) {
+            groupNames[index++] = otherGroup.name().toLowerCase();
+        }
+
+        ConfigHolder.ITEM_GROUP_HOLDER.getConfig().set(this.group.getName()+"."+ItemGroupManager.MATERIAL_LIST_PATH, groupNames);
+
+        // update referencing groups
+        updateDirectReferencingGroups(this.group);
+
+        // Save file configuration to disk
+        if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
+            return ConfigHolder.ITEM_GROUP_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
+        }
+        return true;
+    }
+
+    @Override
+    public EnumSet<Material> illegalMaterials() {
+        return EnumSet.of(Material.AIR);
+    }
+
+    // ----------------------------
+    // End of SelectGroupContainer related methods
+    // ----------------------------
+
+    private void updateDirectReferencingGroups(AbstractMaterialGroup referenceTo){
+        Collection<AbstractMaterialGroup> everyStoredGroups = ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().getGroupMap().values();
+        List<EnchantConflictGroup> everyConflicts = ConfigHolder.CONFLICT_HOLDER.getConflictManager().getConflictList();
+
+        HashSet<AbstractMaterialGroup> toUpdate = new HashSet<>();
+        HashSet<AbstractMaterialGroup> updateFuture = new HashSet<>();
+        HashSet<AbstractMaterialGroup> conflictGroupPlanned = new HashSet<>();
+
+        updateFuture.add(referenceTo);
+        while (!updateFuture.isEmpty()){
+            HashSet<AbstractMaterialGroup> temp = updateFuture;
+            updateFuture = toUpdate;
+            updateFuture.clear();
+            toUpdate = temp;
+
+            for (AbstractMaterialGroup testGroup : toUpdate) {
+                // Update other stored group
+                for (AbstractMaterialGroup otherGroup : everyStoredGroups) {
+                    if(otherGroup.getGroups().contains(testGroup)){
+                        otherGroup.updateMaterials();
+                        toUpdate.add(otherGroup);
+                    }
+                }
+
+                // plan update for conflict groups
+                for (EnchantConflictGroup everyConflict : everyConflicts) {
+                    AbstractMaterialGroup conflictGroup = everyConflict.getCantConflictGroup();
+                    if(conflictGroup.getGroups().contains(testGroup)){
+                        conflictGroupPlanned.add(conflictGroup);
+                    }
+                }
+
+                // Update parent & local by extension
+                if(testGroup instanceof IncludeGroup){
+                    this.parent.updateValueForGeneric((IncludeGroup) testGroup, false);
+                }
+            }
+        }
+        this.parent.update();
+
+        // Update conflict group
+        for (AbstractMaterialGroup conflictGroup : conflictGroupPlanned) {
+            conflictGroup.updateMaterials();
+        }
+
+    }
+
+}

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/MappedToListSubSettingGui.java

@@ -5,7 +5,6 @@ import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
 import io.delilaheve.CustomAnvil;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
-import xyz.alexcrea.cuanvil.gui.config.list.ElementMappedToListGui;
 
 public abstract class MappedToListSubSettingGui extends ValueUpdatableGui implements ElementMappedToListGui {
 

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

@@ -12,15 +12,12 @@ import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 
-import java.util.Collections;
-import java.util.List;
-
 /**
  * An instance gui used to edit a setting.
  */
 public abstract class AbstractSettingGui extends ChestGui {
 
-    protected final static List<String> CLICK_LORE = Collections.singletonList("\u00A77Click Here to change the value");
+    protected final static String CLICK_LORE = "\u00A77Click Here to change the value";
 
     private PatternPane pane;
 
@@ -119,7 +116,9 @@ public abstract class AbstractSettingGui extends ChestGui {
      * It is better to keep a factory that hold setting data than find what parameters to use every time.
      */
     public abstract static class SettingGuiFactory {
+        @NotNull
         protected String configPath;
+        @NotNull
         protected ConfigHolder config;
 
         /**
@@ -128,7 +127,7 @@ public abstract class AbstractSettingGui extends ChestGui {
          * @param configPath Configuration path of this setting.
          * @param config     Configuration holder of this setting.
          */
-        protected SettingGuiFactory(String configPath, ConfigHolder config) {
+        protected SettingGuiFactory(@NotNull String configPath, @NotNull ConfigHolder config) {
             this.configPath = configPath;
             this.config = config;
         }
@@ -136,6 +135,7 @@ public abstract class AbstractSettingGui extends ChestGui {
         /**
          * @return Configuration path of this setting.
          */
+        @NotNull
         public String getConfigPath() {
             return configPath;
         }
@@ -143,6 +143,7 @@ public abstract class AbstractSettingGui extends ChestGui {
         /**
          * @return Configuration holder of this setting.
          */
+        @NotNull
         public ConfigHolder getConfigHolder() {
             return config;
         }

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

@@ -13,9 +13,13 @@ import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 import xyz.alexcrea.cuanvil.util.MetricsUtil;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
+import java.util.List;
 import java.util.function.Consumer;
 
 /**
@@ -59,11 +63,21 @@ public class BoolSettingsGui extends AbstractSettingGui {
      * Prepare "return to default value" gui item.
      */
     protected void prepareReturnToDefault() {
+        // Prepare default Value text
+        String defaultValueLore;
+        if(holder.defaultVal){
+            defaultValueLore = "\u00A7aYes \u00A77Is the default value";
+        }else{
+            defaultValueLore = "\u00A7cNo \u00A77Is the default value";
+        }
+
+        // Create reset to default item
         ItemStack item = new ItemStack(Material.COMMAND_BLOCK);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7eReset to default value");
-        meta.setLore(Collections.singletonList("\u00A77Default value is: " + holder.defaultVal));
+        meta.setLore(Collections.singletonList(defaultValueLore));
         item.setItemMeta(meta);
         returnToDefault = new GuiItem(item, event -> {
             event.setCancelled(true);
@@ -83,17 +97,27 @@ public class BoolSettingsGui extends AbstractSettingGui {
         String displayedName;
         Material displayedMat;
         if (now) {
-            displayedName = "\u00A7aTrue";
+            displayedName = "\u00A7aYes";
             displayedMat = Material.GREEN_TERRACOTTA;
         } else {
-            displayedName = "\u00A7cFalse";
+            displayedName = "\u00A7cNo";
             displayedMat = Material.RED_TERRACOTTA;
         }
 
+        // create & set Value item
+        ArrayList<String> valueLore = new ArrayList<>();
+        if(!holder.displayLore.isEmpty()){
+            valueLore.addAll(holder.displayLore);
+            valueLore.add("");
+        }
+        valueLore.add(AbstractSettingGui.CLICK_LORE);
+
         ItemStack valueItemStack = new ItemStack(displayedMat);
         ItemMeta valueMeta = valueItemStack.getItemMeta();
+        assert valueMeta != null;
+
         valueMeta.setDisplayName(displayedName);
-        valueMeta.setLore(AbstractSettingGui.CLICK_LORE);
+        valueMeta.setLore(valueLore);
         valueItemStack.setItemMeta(valueMeta);
         GuiItem resultItem = new GuiItem(valueItemStack, inverseNowConsumer(), CustomAnvil.instance);
 
@@ -146,15 +170,17 @@ public class BoolSettingsGui extends AbstractSettingGui {
      * @param configPath   Configuration path of this setting.
      * @param config       Configuration holder of this setting.
      * @param defaultVal   Default value if not found on the config.
+     * @param displayLore  Gui display item lore.
      * @return A factory for a boolean setting gui.
      */
-    public static BoolSettingFactory boolFactory(@NotNull String title, ValueUpdatableGui parent,
+    public static BoolSettingFactory boolFactory(@NotNull String title, @NotNull ValueUpdatableGui parent,
-                                                 String configPath, ConfigHolder config,
+                                                 @NotNull String configPath, @NotNull ConfigHolder config,
-                                                 boolean defaultVal) {
+                                                 boolean defaultVal,
+                                                 String... displayLore) {
         return new BoolSettingFactory(
                 title, parent,
                 configPath, config,
-                defaultVal);
+                defaultVal, displayLore);
     }
 
     /**
@@ -163,9 +189,13 @@ public class BoolSettingsGui extends AbstractSettingGui {
     public static class BoolSettingFactory extends SettingGuiFactory {
         @NotNull
         String title;
+        @NotNull
         ValueUpdatableGui parent;
         boolean defaultVal;
 
+        @NotNull
+        List<String> displayLore;
+
         /**
          * Constructor for a boolean setting gui factory.
          *
@@ -174,16 +204,18 @@ public class BoolSettingsGui extends AbstractSettingGui {
          * @param configPath   Configuration path of this setting.
          * @param config       Configuration holder of this setting.
          * @param defaultVal   Default value if not found on the config.
+         * @param displayLore  Gui display item lore.
          */
         protected BoolSettingFactory(
-                @NotNull String title, ValueUpdatableGui parent,
+                @NotNull String title, @NotNull ValueUpdatableGui parent,
-                String configPath, ConfigHolder config,
+                @NotNull String configPath, @NotNull ConfigHolder config,
-                boolean defaultVal) {
+                boolean defaultVal, String... displayLore) {
             super(configPath, config);
             this.title = title;
             this.parent = parent;
 
             this.defaultVal = defaultVal;
+            this.displayLore = Arrays.asList(displayLore);
         }
 
         /**
@@ -209,6 +241,48 @@ public class BoolSettingsGui extends AbstractSettingGui {
             return new BoolSettingsGui(this, now);
         }
 
+        /**
+         * Create a new Boolean setting GuiItem.
+         * This item will create and open a boolean setting GUI from the factory.
+         * The item will have its value written in the lore part of the item.
+         *
+         * @param name Name of the item.
+         * @return A formatted GuiItem that will create and open a GUI for the boolean setting.
+         */
+        public GuiItem getItem(String name){
+            // Get item properties
+            boolean value = getConfiguredValue();
+
+            Material itemMat;
+            StringBuilder itemName = new StringBuilder("\u00A7e");
+            String finalValue;
+            if (value) {
+                itemMat = Material.GREEN_TERRACOTTA;
+                finalValue = "\u00A7aYes";
+            } else {
+                itemMat = Material.RED_TERRACOTTA;
+                finalValue = "\u00A7cNo";
+            }
+            itemName.append(name);
+
+            return GuiGlobalItems.createGuiItemFromProperties(this, itemMat, itemName, finalValue, this.displayLore, false);
+        }
+
+        /**
+         * Create a new boolean setting GuiItem.
+         * This item will create and open a boolean setting GUI from the factory.
+         * The item will have its value written in the lore part of the item.
+         * Item's name will be the factory set title.
+         *
+         * @return A formatted GuiItem that will create and open a GUI for the boolean setting.
+         */
+        public GuiItem getItem(){
+            // Get item properties
+            String configPath = GuiGlobalItems.getConfigNameFromPath(getConfigPath());
+
+            return getItem(CasedStringUtil.detectToUpperSpacedCase(configPath));
+        }
+
     }
 
 }

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

@@ -10,6 +10,7 @@ import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
@@ -20,6 +21,7 @@ import xyz.alexcrea.cuanvil.util.MetricsUtil;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -64,6 +66,7 @@ public class DoubleSettingGui extends AbstractSettingGui {
     private static final ItemStack DELETE_ITEM_STACK = new ItemStack(Material.RED_TERRACOTTA);
     static {
         ItemMeta meta = DELETE_ITEM_STACK.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7cDisable item being repaired ?");
         meta.setLore(Arrays.asList("\u00A77Confirm disabling unit repair for this item..",
@@ -116,9 +119,10 @@ public class DoubleSettingGui extends AbstractSettingGui {
     protected void prepareReturnToDefault() {
         ItemStack item = new ItemStack(Material.COMMAND_BLOCK);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7eReset to default value");
-        meta.setLore(Collections.singletonList("\u00A77Default value is " + displayValue(holder.defaultVal)));
+        meta.setLore(Collections.singletonList("\u00A77Default value is \u00A7e" + displayValue(holder.defaultVal)));
         item.setItemMeta(meta);
         returnToDefault = new GuiItem(item, event -> {
             event.setCancelled(true);
@@ -160,7 +164,9 @@ public class DoubleSettingGui extends AbstractSettingGui {
         // "result" display
         ItemStack resultPaper = new ItemStack(Material.PAPER);
         ItemMeta resultMeta = resultPaper.getItemMeta();
-        resultMeta.setDisplayName("\u00A7eValue: " + displayValue(now));
+        assert resultMeta != null;
+
+        resultMeta.setDisplayName("\u00A7fValue: \u00A7e" + displayValue(now));
         resultPaper.setItemMeta(resultMeta);
         GuiItem resultItem = new GuiItem(resultPaper, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
 
@@ -178,11 +184,22 @@ public class DoubleSettingGui extends AbstractSettingGui {
     }
 
     private GuiItem getSetValueItem(Material mat, BigDecimal planned, String numberPrefix){
+        // Create set item lore
+        ArrayList<String> setLoreItem = new ArrayList<>();
+        if(!holder.displayLore.isEmpty()){
+            setLoreItem.addAll(holder.displayLore);
+            setLoreItem.add("");
+        }
+        setLoreItem.add(AbstractSettingGui.CLICK_LORE);
+
+        // Create & return set value item
         ItemStack item = new ItemStack(mat);
         ItemMeta meta = item.getItemMeta();
-        meta.setDisplayName("\u00A7e" + displayValue(now) + " -> " + displayValue(planned)
+        assert meta != null;
+
+        meta.setDisplayName("\u00A7e" + displayValue(now) + " \u00A7f-> \u00A7e" + displayValue(planned)
                 + " \u00A7r(" + numberPrefix + (displayValue(planned.subtract(now).abs()) + "\u00A7r)"));
-        meta.setLore(AbstractSettingGui.CLICK_LORE);
+        meta.setLore(setLoreItem);
         item.setItemMeta(meta);
 
         return new GuiItem(item, updateNowConsumer(planned), CustomAnvil.instance);
@@ -268,11 +285,12 @@ public class DoubleSettingGui extends AbstractSettingGui {
             stepLore = Collections.singletonList("\u00A77Click here to change the value by " + displayValue(stepValue));
             clickEvent = updateStepValue(stepValue);
         }
-        stepName.append("Step of ").append(displayValue(stepValue));
+        stepName.append("Step of \u00A7e").append(displayValue(stepValue));
 
         // Create item stack then gui item
         ItemStack item = new ItemStack(stepMat);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName(stepName.toString());
         meta.setLore(stepLore);
@@ -338,6 +356,7 @@ public class DoubleSettingGui extends AbstractSettingGui {
      * @param parent       Parent gui to go back when completed.
      * @param configPath   Configuration path of this setting.
      * @param config       Configuration holder of this setting.
+     * @param displayLore  Gui display item lore.
      * @param scale        The scale of the decimal.
      * @param asPercentage If we should display the value as a %.
      * @param nullOnZero   Set the value as null (deleting it) when equal to 0
@@ -350,13 +369,16 @@ public class DoubleSettingGui extends AbstractSettingGui {
      *                     If step only contain 1 value, no step item should be displayed.
      * @return A factory for a double setting gui.
      */
-    public static DoubleSettingFactory doubleFactory(@NotNull String title, ValueUpdatableGui parent,
+    @NotNull
-                                                     String configPath, ConfigHolder config,
+    public static DoubleSettingFactory doubleFactory(@NotNull String title, @NotNull ValueUpdatableGui parent,
+                                                     @NotNull String configPath, @NotNull ConfigHolder config,
+                                                     @Nullable List<String> displayLore,
                                                      int scale, boolean asPercentage, boolean nullOnZero,
                                                      double min, double max, double defaultVal, double... steps) {
         return new DoubleSettingFactory(
                 title, parent,
                 configPath, config,
+                displayLore,
                 scale, asPercentage, nullOnZero,
                 min, max, defaultVal, steps);
     }
@@ -367,6 +389,7 @@ public class DoubleSettingGui extends AbstractSettingGui {
     public static class DoubleSettingFactory extends SettingGuiFactory {
         @NotNull
         String title;
+        @NotNull
         ValueUpdatableGui parent;
 
         int scale;
@@ -377,6 +400,9 @@ public class DoubleSettingGui extends AbstractSettingGui {
         BigDecimal defaultVal;
         BigDecimal[] steps;
 
+        @NotNull
+        List<String> displayLore;
+
         /**
          * Constructor for a double setting gui factory.
          *
@@ -384,6 +410,7 @@ public class DoubleSettingGui extends AbstractSettingGui {
          * @param parent       Parent gui to go back when completed.
          * @param configPath   Configuration path of this setting.
          * @param config       Configuration holder of this setting.
+         * @param displayLore  Gui display item lore.
          * @param scale        The scale of the decimal.
          * @param asPercentage If we should display the value as a %.
          * @param nullOnZero   Set the value as null (deleting it) when equal to 0
@@ -396,8 +423,9 @@ public class DoubleSettingGui extends AbstractSettingGui {
          *                     If step only contain 1 value, no step item should be displayed.
          */
         protected DoubleSettingFactory(
-                @NotNull String title, ValueUpdatableGui parent,
+                @NotNull String title, @NotNull ValueUpdatableGui parent,
-                String configPath, ConfigHolder config,
+                @NotNull String configPath, @NotNull ConfigHolder config,
+                @Nullable List<String> displayLore,
                 int scale, boolean asPercentage, boolean nullOnZero,
                 double min, double max, double defaultVal, double... steps) {
             super(configPath, config);
@@ -414,6 +442,12 @@ public class DoubleSettingGui extends AbstractSettingGui {
             for (int i = 0; i < steps.length; i++) {
                 this.steps[i] = BigDecimal.valueOf(steps[i]).setScale(scale, RoundingMode.HALF_UP);
             }
+
+            if(displayLore == null){
+                this.displayLore = Collections.emptyList();
+            }else {
+                this.displayLore = displayLore;
+            }
         }
 
         /**
@@ -449,7 +483,9 @@ public class DoubleSettingGui extends AbstractSettingGui {
             BigDecimal value = getConfiguredValue();
             StringBuilder itemName = new StringBuilder("\u00A7a").append(name);
 
-            return GuiGlobalItems.createGuiItemFromProperties(this, itemMat, itemName, displayValue(value, this.asPercentage));
+            return GuiGlobalItems.createGuiItemFromProperties(this, itemMat, itemName,
+                    "\u00A7e" + displayValue(value, this.asPercentage),
+                    this.displayLore, true);
         }
 
         public GuiItem getItem(Material itemMat){

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

@@ -10,6 +10,7 @@ import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
@@ -18,6 +19,8 @@ import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
 import xyz.alexcrea.cuanvil.util.MetricsUtil;
 
 import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 import java.util.function.Consumer;
 
 /**
@@ -78,6 +81,7 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
         // book display
         ItemStack bookItemstack = new ItemStack(Material.BOOK);
         ItemMeta bookMeta = bookItemstack.getItemMeta();
+        assert bookMeta != null;
 
         bookMeta.setDisplayName("\u00A7aCost of an Enchantment by Book");
         bookMeta.setLore(Arrays.asList(
@@ -88,8 +92,9 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
         // sword display
         ItemStack swordItemstack = new ItemStack(Material.WOODEN_SWORD);
         ItemMeta swordMeta = swordItemstack.getItemMeta();
-        swordMeta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
+        assert swordMeta != null;
 
+        swordMeta.addItemFlags(ItemFlag.values());
         swordMeta.setDisplayName("\u00A7aCost of an Enchantment by Item");
         swordMeta.setLore(Arrays.asList(
                 "\u00A77Cost per result item level of an sacrifice enchantment",
@@ -105,14 +110,15 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
     protected void prepareReturnToDefault() {
         ItemStack item = new ItemStack(Material.COMMAND_BLOCK);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         // assume holder is an instance of EnchantCostSettingFactory
         EnchantCostSettingFactory holder = (EnchantCostSettingFactory) this.holder;
 
         meta.setDisplayName("\u00A7eReset to default value");
         meta.setLore(Arrays.asList(
-                "\u00A77Default item  value is: " + holder.defaultVal,
+                "\u00A77Default item  value is: \u00A7e" + holder.defaultVal,
-                "\u00A77Default book value is: " + holder.defaultBookVal));
+                "\u00A77Default book value is: \u00A7e" + holder.defaultBookVal));
         item.setItemMeta(meta);
         returnToDefault = new GuiItem(item, event -> {
             event.setCancelled(true);
@@ -139,8 +145,10 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
             int planned = Math.max(holder.min, nowBook - step);
             ItemStack item = new ItemStack(Material.RED_TERRACOTTA);
             ItemMeta meta = item.getItemMeta();
-            meta.setDisplayName("\u00A7e" + nowBook + " -> " + planned + " \u00A7r(\u00A7c-" + (nowBook - planned) + "\u00A7r)");
+            assert meta != null;
-            meta.setLore(AbstractSettingGui.CLICK_LORE);
+
+            meta.setDisplayName("\u00A7e" + nowBook + " \u00A7f-> \u00A7e" + planned + " \u00A7r(\u00A7c-" + (nowBook - planned) + "\u00A7r)");
+            meta.setLore(Collections.singletonList(AbstractSettingGui.CLICK_LORE));
             item.setItemMeta(meta);
 
             minusItem = new GuiItem(item, updateNowBookConsumer(planned), CustomAnvil.instance);
@@ -155,8 +163,10 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
             int planned = Math.min(holder.max, nowBook + step);
             ItemStack item = new ItemStack(Material.GREEN_TERRACOTTA);
             ItemMeta meta = item.getItemMeta();
-            meta.setDisplayName("\u00A7e" + nowBook + " -> " + planned + " \u00A7r(\u00A7a+" + (planned - nowBook) + "\u00A7r)");
+            assert meta != null;
-            meta.setLore(AbstractSettingGui.CLICK_LORE);
+
+            meta.setDisplayName("\u00A7e" + nowBook + " \u00A7f-> \u00A7e" + planned + " \u00A7r(\u00A7a+" + (planned - nowBook) + "\u00A7r)");
+            meta.setLore(Collections.singletonList(AbstractSettingGui.CLICK_LORE));
             item.setItemMeta(meta);
 
             plusItem = new GuiItem(item, updateNowBookConsumer(planned), CustomAnvil.instance);
@@ -165,12 +175,19 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
         }
         pane.bindItem('P', plusItem);
 
-        // "result" display
+        // now value display
-        ItemStack resultPaper = new ItemStack(Material.PAPER);
+        ItemStack nowPaper = new ItemStack(Material.PAPER);
-        ItemMeta resultMeta = resultPaper.getItemMeta();
+        ItemMeta nowMeta = nowPaper.getItemMeta();
-        resultMeta.setDisplayName("\u00A7eValue: " + nowBook);
+        assert nowMeta != null;
-        resultPaper.setItemMeta(resultMeta);
+
-        GuiItem resultItem = new GuiItem(resultPaper, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
+        nowMeta.setDisplayName("\u00A7fValue: \u00A7e" + nowBook);
+        if(!holder.displayLore.isEmpty()){
+            nowMeta.setLore(holder.displayLore);
+        }
+
+        nowPaper.setItemMeta(nowMeta);
+
+        GuiItem resultItem = new GuiItem(nowPaper, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
 
         pane.bindItem('V', resultItem);
 
@@ -228,6 +245,7 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
      * @param parent         Parent gui to go back when completed.
      * @param configPath     Configuration path of this setting.
      * @param config         Configuration holder of this setting.
+     * @param displayLore    Gui display item lore.
      * @param min            Minimum value of this setting.
      * @param max            Maximum value of this setting.
      * @param defaultItemVal Default item value if not found on the config.
@@ -239,13 +257,15 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
      * @return A factory for an enchant cost setting gui.
      */
     public static EnchantCostSettingFactory enchantCostFactory(
-            @NotNull String title, ValueUpdatableGui parent,
+            @NotNull String title, @NotNull ValueUpdatableGui parent,
-            String configPath, ConfigHolder config,
+            @NotNull String configPath, @NotNull ConfigHolder config,
+            @Nullable List<String> displayLore,
             int min, int max, int defaultItemVal, int defaultBookVal,
             int... steps) {
         return new EnchantCostSettingFactory(
                 title, parent,
                 configPath, config,
+                displayLore,
                 min, max, defaultItemVal, defaultBookVal, steps);
     }
 
@@ -263,6 +283,7 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
          * @param parent         Parent gui to go back when completed.
          * @param configPath     Configuration path of this setting.
          * @param config         Configuration holder of this setting.
+         * @param displayLore    Gui display item lore.
          * @param min            Minimum value of this setting.
          * @param max            Maximum value of this setting.
          * @param defaultItemVal Default item value if not found on the config.
@@ -274,12 +295,14 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
          */
         protected EnchantCostSettingFactory(
                 @NotNull String title, ValueUpdatableGui parent,
-                String configPath, ConfigHolder config,
+                @NotNull String configPath, @NotNull ConfigHolder config,
+                @Nullable List<String> displayLore,
                 int min, int max, int defaultItemVal, int defaultBookVal,
                 int... steps) {
 
             super(title, parent,
                     configPath, config,
+                    displayLore,
                     min, max, defaultItemVal, steps);
             this.defaultBookVal = defaultBookVal;
         }
@@ -307,6 +330,9 @@ public class EnchantCostSettingsGui extends IntSettingsGui {
             return new EnchantCostSettingsGui(this, nowItem);
         }
 
+        public List<String> getDisplayLore() {
+            return this.displayLore;
+        }
     }
 
 }

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

@@ -69,7 +69,7 @@ public class GroupSelectSettingGui extends AbstractSettingGui {
         Set<AbstractMaterialGroup> illegalGroup = this.groupContainer.illegalGroups();
         for (AbstractMaterialGroup group : ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().getGroupMap().values()) {
             if (illegalGroup.contains(group)) {
-                return;
+                continue;
             }
             filledEnchant.addItem(getGuiItemFromGroup(group));
         }
@@ -113,7 +113,7 @@ public class GroupSelectSettingGui extends AbstractSettingGui {
             meta.removeEnchant(Enchantment.DAMAGE_UNDEAD);
             meta.setLore(FALSE_LORE);
         }
-        meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES, ItemFlag.HIDE_ENCHANTS);
+        meta.addItemFlags(ItemFlag.values());
 
         item.setItemMeta(meta);
     }

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

@@ -9,11 +9,13 @@ import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 import xyz.alexcrea.cuanvil.util.MetricsUtil;
 
 import java.util.Collections;
@@ -67,9 +69,10 @@ public class IntSettingsGui extends AbstractSettingGui {
     protected void prepareReturnToDefault() {
         ItemStack item = new ItemStack(Material.COMMAND_BLOCK);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7eReset to default value");
-        meta.setLore(Collections.singletonList("\u00A77Default value is: " + holder.defaultVal));
+        meta.setLore(Collections.singletonList("\u00A77Default value is \u00A7e" + holder.defaultVal));
         item.setItemMeta(meta);
         returnToDefault = new GuiItem(item, event -> {
             event.setCancelled(true);
@@ -92,8 +95,10 @@ public class IntSettingsGui extends AbstractSettingGui {
             int planned = Math.max(holder.min, now - step);
             ItemStack item = new ItemStack(Material.RED_TERRACOTTA);
             ItemMeta meta = item.getItemMeta();
-            meta.setDisplayName("\u00A7e" + now + " -> " + planned + " \u00A7r(\u00A7c-" + (now - planned) + "\u00A7r)");
+            assert meta != null;
-            meta.setLore(AbstractSettingGui.CLICK_LORE);
+
+            meta.setDisplayName("\u00A7e" + now + " \u00A7f-> \u00A7e" + planned + " \u00A7r(\u00A7c-" + (now - planned) + "\u00A7r)");
+            meta.setLore(Collections.singletonList(AbstractSettingGui.CLICK_LORE));
             item.setItemMeta(meta);
 
             minusItem = new GuiItem(item, updateNowConsumer(planned), CustomAnvil.instance);
@@ -109,8 +114,10 @@ public class IntSettingsGui extends AbstractSettingGui {
             int planned = Math.min(holder.max, now + step);
             ItemStack item = new ItemStack(Material.GREEN_TERRACOTTA);
             ItemMeta meta = item.getItemMeta();
-            meta.setDisplayName("\u00A7e" + now + " -> " + planned + " \u00A7r(\u00A7a+" + (planned - now) + "\u00A7r)");
+            assert meta != null;
-            meta.setLore(AbstractSettingGui.CLICK_LORE);
+
+            meta.setDisplayName("\u00A7e" + now + " \u00A7f-> \u00A7e" + planned + " \u00A7r(\u00A7a+" + (planned - now) + "\u00A7r)");
+            meta.setLore(Collections.singletonList(AbstractSettingGui.CLICK_LORE));
             item.setItemMeta(meta);
 
             plusItem = new GuiItem(item, updateNowConsumer(planned), CustomAnvil.instance);
@@ -122,8 +129,13 @@ public class IntSettingsGui extends AbstractSettingGui {
         // "result" display
         ItemStack resultPaper = new ItemStack(Material.PAPER);
         ItemMeta resultMeta = resultPaper.getItemMeta();
-        resultMeta.setDisplayName("\u00A7eValue: " + now);
+        assert resultMeta != null;
+
+        resultMeta.setDisplayName("\u00A7fValue: \u00A7e" + now);
+        resultMeta.setLore(holder.displayLore);
+
         resultPaper.setItemMeta(resultMeta);
+
         GuiItem resultItem = new GuiItem(resultPaper, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
 
         pane.bindItem('v', resultItem);
@@ -220,11 +232,12 @@ public class IntSettingsGui extends AbstractSettingGui {
             stepLore = Collections.singletonList("\u00A77Click here to change the value by " + stepValue);
             clickEvent = updateStepValue(stepValue);
         }
-        stepName.append("Step of: ").append(stepValue);
+        stepName.append("Step of: \u00A7e").append(stepValue);
 
         // Create item stack then gui item
         ItemStack item = new ItemStack(stepMat);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName(stepName.toString());
         meta.setLore(stepLore);
@@ -270,6 +283,7 @@ public class IntSettingsGui extends AbstractSettingGui {
      * @param parent      Parent gui to go back when completed.
      * @param configPath  Configuration path of this setting.
      * @param config      Configuration holder of this setting.
+     * @param displayLore Gui display item lore.
      * @param min         Minimum value of this setting.
      * @param max         Maximum value of this setting.
      * @param defaultVal  Default value if not found on the config.
@@ -281,10 +295,12 @@ public class IntSettingsGui extends AbstractSettingGui {
      */
     public static IntSettingFactory intFactory(@NotNull String title, ValueUpdatableGui parent,
                                                String configPath, ConfigHolder config,
+                                               @Nullable List<String> displayLore,
                                                int min, int max, int defaultVal, int... steps) {
         return new IntSettingFactory(
                 title, parent,
                 configPath, config,
+                displayLore,
                 min, max, defaultVal, steps);
     }
 
@@ -294,12 +310,16 @@ public class IntSettingsGui extends AbstractSettingGui {
     public static class IntSettingFactory extends SettingGuiFactory {
         @NotNull
         String title;
+        @NotNull
         ValueUpdatableGui parent;
         int min;
         int max;
         int defaultVal;
         int[] steps;
 
+        @NotNull
+        List<String> displayLore;
+
         /**
          * Constructor for an int setting gui factory.
          *
@@ -307,6 +327,7 @@ public class IntSettingsGui extends AbstractSettingGui {
          * @param parent      Parent gui to go back when completed.
          * @param configPath  Configuration path of this setting.
          * @param config      Configuration holder of this setting.
+         * @param displayLore Gui display item lore.
          * @param min         Minimum value of this setting.
          * @param max         Maximum value of this setting.
          * @param defaultVal  Default value if not found on the config.
@@ -316,8 +337,9 @@ public class IntSettingsGui extends AbstractSettingGui {
          *                    If step only contain 1 value, no step item should be displayed.
          */
         protected IntSettingFactory(
-                @NotNull String title, ValueUpdatableGui parent,
+                @NotNull String title, @NotNull ValueUpdatableGui parent,
-                String configPath, ConfigHolder config,
+                @NotNull String configPath, @NotNull ConfigHolder config,
+                @Nullable List<String> displayLore,
                 int min, int max, int defaultVal, int... steps) {
             super(configPath, config);
             this.title = title;
@@ -326,6 +348,12 @@ public class IntSettingsGui extends AbstractSettingGui {
             this.max = max;
             this.defaultVal = defaultVal;
             this.steps = steps;
+
+            if(displayLore == null){
+                this.displayLore = Collections.emptyList();
+            }else {
+                this.displayLore = displayLore;
+            }
         }
 
         /**
@@ -351,6 +379,44 @@ public class IntSettingsGui extends AbstractSettingGui {
             return new IntSettingsGui(this, now);
         }
 
+        /**
+         * Create a new int setting GuiItem.
+         * This item will create and open an int setting GUI from the factory.
+         * The item will have its value written in the lore part of the item.
+         *
+         * @param itemMat Displayed material of the item.
+         * @param name    Name of the item.
+         * @return A formatted GuiItem that will create and open a GUI for the int setting.
+         */
+        public GuiItem getItem(
+                @NotNull Material itemMat,
+                @NotNull String name
+        ) {
+            // Get item properties
+            int value = getConfiguredValue();
+            StringBuilder itemName = new StringBuilder("\u00A7a").append(name);
+
+            return GuiGlobalItems.createGuiItemFromProperties(this, itemMat, itemName,
+                    "\u00A7e" + value,
+                    this.displayLore, true);
+        }
+
+        /**
+         * Create a new int setting GuiItem.
+         * This item will create and open an int setting GUI from the factory.
+         * The item will have its value written in the lore part of the item.
+         * Item's name will be the factory set title.
+         *
+         * @param itemMat Displayed material of the item.
+         * @return A formatted GuiItem that will create and open a GUI for the int setting.
+         */
+        public GuiItem getItem(
+                @NotNull Material itemMat
+        ) {
+            String configPath = GuiGlobalItems.getConfigNameFromPath(getConfigPath());
+            return getItem(itemMat, CasedStringUtil.detectToUpperSpacedCase(configPath));
+        }
+
     }
 
 }

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

@@ -7,15 +7,19 @@ import io.delilaheve.CustomAnvil;
 import org.bukkit.Material;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 import xyz.alexcrea.cuanvil.util.MetricsUtil;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.function.Consumer;
@@ -71,9 +75,10 @@ public class ItemSettingGui extends AbstractSettingGui {
     protected void prepareReturnToDefault() {
         ItemStack item = new ItemStack(Material.COMMAND_BLOCK);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7eReset to default value");
-        meta.setLore(Collections.singletonList("\u00A77Default value is: " + holder.defaultVal));
+        meta.setLore(Collections.singletonList("\u00A77Default value is \u00A7e" + holder.defaultVal));
         item.setItemMeta(meta);
         returnToDefault = new GuiItem(item, event -> {
             event.setCancelled(true);
@@ -98,6 +103,7 @@ public class ItemSettingGui extends AbstractSettingGui {
         }else{
             displayedItem = new ItemStack(Material.BARRIER);
             ItemMeta valueMeta = displayedItem.getItemMeta();
+            assert valueMeta != null;
 
             valueMeta.setDisplayName("\u00A74NO ITEM SET");
             valueMeta.setLore(CLICK_LORE);
@@ -122,7 +128,7 @@ public class ItemSettingGui extends AbstractSettingGui {
     /**
      * @return A consumer to update the current setting's value.
      */
-    protected Consumer<InventoryClickEvent> setItemAsCursor() { //TODO redo consumer
+    protected Consumer<InventoryClickEvent> setItemAsCursor() {
         return event -> {
             event.setCancelled(true);
 
@@ -166,15 +172,17 @@ public class ItemSettingGui extends AbstractSettingGui {
      * @param configPath  Configuration path of this setting.
      * @param config      Configuration holder of this setting.
      * @param defaultVal  Default value if not found on the config.
+     * @param displayLore Gui display item lore.
      * @return A factory for an item setting gui.
      */
-    public static ItemSettingGui.ItemSettingFactory itemFactory(@NotNull String title, ValueUpdatableGui parent,
+    public static ItemSettingGui.ItemSettingFactory itemFactory(@NotNull String title, @NotNull ValueUpdatableGui parent,
-                                                                 String configPath, ConfigHolder config,
+                                                                @NotNull String configPath, @NotNull ConfigHolder config,
-                                                                ItemStack defaultVal) {
+                                                                @Nullable ItemStack defaultVal,
+                                                                String... displayLore) {
         return new ItemSettingGui.ItemSettingFactory(
                 title, parent,
                 configPath, config,
-                defaultVal);
+                defaultVal, displayLore);
     }
 
     /**
@@ -183,8 +191,12 @@ public class ItemSettingGui extends AbstractSettingGui {
     public static class ItemSettingFactory extends SettingGuiFactory {
         @NotNull
         String title;
+        @NotNull
         ValueUpdatableGui parent;
+        @Nullable
         ItemStack defaultVal;
+        @NotNull
+        List<String> displayLore;
 
         /**
          * Constructor for an item setting gui factory.
@@ -194,16 +206,19 @@ public class ItemSettingGui extends AbstractSettingGui {
          * @param configPath  Configuration path of this setting.
          * @param config      Configuration holder of this setting.
          * @param defaultVal  Default value if not found on the config.
+         * @param displayLore Gui display item lore.
          */
         protected ItemSettingFactory(
-                @NotNull String title, ValueUpdatableGui parent,
+                @NotNull String title, @NotNull ValueUpdatableGui parent,
-                String configPath, ConfigHolder config,
+                @NotNull String configPath, @NotNull ConfigHolder config,
-                ItemStack defaultVal) {
+                @Nullable ItemStack defaultVal,
+                String... displayLore) {
             super(configPath, config);
             this.title = title;
             this.parent = parent;
 
             this.defaultVal = defaultVal;
+            this.displayLore = Arrays.asList(displayLore);
         }
 
         /**
@@ -221,6 +236,11 @@ public class ItemSettingGui extends AbstractSettingGui {
             return this.config.getConfig().getItemStack(this.configPath, this.defaultVal);
         }
 
+        @NotNull
+        public List<String> getDisplayLore() {
+            return this.displayLore;
+        }
+
         @Override
         public AbstractSettingGui create() {
             // Get current value or default
@@ -229,5 +249,44 @@ public class ItemSettingGui extends AbstractSettingGui {
             return new ItemSettingGui(this, now);
         }
 
+        /**
+         * Create a new item setting GuiItem.
+         * This item will create and open an item setting GUI from the factory.
+         * Item's name will be the factory set title.
+         *
+         * @param name Name of the item.
+         * @return A formatted GuiItem that will create and open a GUI for the item setting.
+         */
+        public GuiItem getItem(@NotNull String name) {
+            ItemStack item = getConfiguredValue();
+            if(item == null || item.getType().isAir()){
+                item = new ItemStack(Material.BARRIER);
+            }else{
+                item = item.clone();
+            }
+            ItemMeta meta = item.getItemMeta();
+            assert meta != null;
+
+            meta.setDisplayName("\u00A7a" + name);
+            meta.setLore(getDisplayLore());
+            meta.addItemFlags(ItemFlag.values());
+
+            item.setItemMeta(meta);
+
+            return GuiGlobalItems.openSettingGuiItem(item, this);
+        }
+
+        /**
+         * Create a new item setting GuiItem.
+         * This item will create and open an item setting GUI from the factory.
+         * Item's name will be the factory set title.
+         *
+         * @return A formatted GuiItem that will create and open a GUI for the item setting.
+         */
+        public GuiItem getItem() {
+            String configPath = GuiGlobalItems.getConfigNameFromPath(getConfigPath());
+            return getItem(CasedStringUtil.detectToUpperSpacedCase(configPath));
+        }
+
     }
 }

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

@@ -0,0 +1,308 @@
+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.util.Pattern;
+import io.delilaheve.CustomAnvil;
+import org.bukkit.Material;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemFlag;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.jetbrains.annotations.NotNull;
+import xyz.alexcrea.cuanvil.gui.config.SelectMaterialContainer;
+import xyz.alexcrea.cuanvil.gui.config.ask.ConfirmActionGui;
+import xyz.alexcrea.cuanvil.gui.config.list.MappedElementListConfigGui;
+import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
+import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
+import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
+
+import java.util.*;
+import java.util.function.Consumer;
+
+public class MaterialSelectSettingGui extends MappedElementListConfigGui<Material, GuiItem> {
+
+    private final SelectMaterialContainer selector;
+    private final Gui backGui;
+    private boolean instantRemove;
+
+    private final List<Material> defaultMaterials;
+    private final EnumSet<Material> illegalMaterials;
+    private final int defaultMaterialHash;
+    private int nowMaterialHash;
+
+    public MaterialSelectSettingGui(
+            @NotNull SelectMaterialContainer selector,
+            @NotNull String title,
+            @NotNull Gui backGui) {
+        super(title);
+        this.selector = selector;
+        this.backGui = backGui;
+        this.instantRemove = false;
+
+        this.defaultMaterials = new ArrayList<>(this.selector.getSelectedMaterials());
+        this.illegalMaterials = this.selector.illegalMaterials();
+
+        this.defaultMaterialHash = hashFromMaterialList(this.defaultMaterials);
+        this.nowMaterialHash = this.defaultMaterialHash;
+
+        init();
+
+        // Change back item
+        this.backgroundPane.bindItem('B', GuiGlobalItems.backItem(backGui));
+    }
+
+    @Override
+    protected Pattern getBackgroundPattern(){
+        return new Pattern(
+                GuiSharedConstant.EMPTY_GUI_FULL_LINE,
+                GuiSharedConstant.EMPTY_GUI_FULL_LINE,
+                GuiSharedConstant.EMPTY_GUI_FULL_LINE,
+                GuiSharedConstant.EMPTY_GUI_FULL_LINE,
+                GuiSharedConstant.EMPTY_GUI_FULL_LINE,
+                "BT1LAR1IS"
+        );
+    }
+
+    private GuiItem saveItem;
+    private GuiItem noChangeItem;
+
+    private GuiItem instantRemoveOn;
+    private GuiItem instantRemoveOff;
+
+    @Override
+    protected void prepareStaticValues() {
+        super.prepareStaticValues();
+
+        // Temporary leave item
+        GuiItem temporaryLeave = GuiGlobalItems.temporaryCloseGuiToSelectItem(Material.YELLOW_TERRACOTTA, this);
+        this.backgroundPane.bindItem('T', temporaryLeave);
+
+        // Select new mat item
+        ItemStack selectItem = new ItemStack(Material.BLUE_STAINED_GLASS_PANE);
+        ItemMeta selectMeta = selectItem.getItemMeta();
+        assert selectMeta != null;
+
+        selectMeta.setDisplayName("\u00A7aAdd Item");
+        selectMeta.setLore(Arrays.asList(
+                "\u00A77Click here with an item to add",
+                "\u00A77it's Material to the list."));
+
+        selectItem.setItemMeta(selectMeta);
+
+        this.backgroundPane.bindItem('A', new GuiItem(selectItem, setItemAsCursor(), CustomAnvil.instance));
+
+        // Save item
+        this.saveItem = prepareSaveItem();
+
+        this.noChangeItem = GuiGlobalItems.noChangeItem();
+        this.backgroundPane.bindItem('S', this.noChangeItem);
+
+        // Instant Remove On item
+        ItemStack instantRemoveOnItem = new ItemStack(Material.LIME_STAINED_GLASS_PANE);
+        ItemMeta instantRemoveOnMeta = instantRemoveOnItem.getItemMeta();
+        assert instantRemoveOnMeta != null;
+
+        instantRemoveOnMeta.setDisplayName("\u00A7eInstant remove is \u00A7aEnabled \u00A7e!");
+        instantRemoveOnMeta.setLore(
+                Collections.singletonList("\u00A77Click here to disable the instant remove"));
+
+        instantRemoveOnItem.setItemMeta(instantRemoveOnMeta);
+
+        // Instant Remove Off item
+        ItemStack instantRemoveOffItem = new ItemStack(Material.RED_STAINED_GLASS_PANE);
+        ItemMeta instantRemoveOffMeta = instantRemoveOffItem.getItemMeta();
+        assert instantRemoveOffMeta != null;
+
+        instantRemoveOffMeta.setDisplayName("\u00A7eInstant remove is \u00A7cDisabled \u00A7e!");
+        instantRemoveOffMeta.setLore(
+                Collections.singletonList("\u00A77Click here to enable the instant remove"));
+
+        instantRemoveOffItem.setItemMeta(instantRemoveOffMeta);
+
+        // Instant Remove gui items
+        this.instantRemoveOn = new GuiItem(instantRemoveOnItem, (event -> {
+            this.instantRemove = false;
+            this.backgroundPane.bindItem('I', this.instantRemoveOff);
+            update();
+        }), CustomAnvil.instance);
+
+        this.instantRemoveOff = new GuiItem(instantRemoveOffItem, (event -> {
+            this.instantRemove = true;
+            this.backgroundPane.bindItem('I', this.instantRemoveOn);
+            update();
+        }), CustomAnvil.instance);
+
+        this.backgroundPane.bindItem('I', this.instantRemoveOff);
+    }
+
+    private GuiItem prepareSaveItem() {
+        ItemStack saveItemStack = new ItemStack(GuiGlobalItems.DEFAULT_SAVE_ITEM);
+        ItemMeta saveMeta = saveItemStack.getItemMeta();
+        assert saveMeta != null;
+
+        saveMeta.setDisplayName("\u00A7aSave");
+
+        saveItemStack.setItemMeta(saveMeta);
+
+        return new GuiItem(saveItemStack, event -> {
+            event.setCancelled(true);
+
+            HumanEntity player = event.getWhoClicked();
+            // Do not allow to save configuration if player do not have edit configuration permission
+            if (!player.hasPermission(CustomAnvil.editConfigPermission)) {
+                player.closeInventory();
+                player.sendMessage(GuiGlobalActions.NO_EDIT_PERM);
+                return;
+            }
+            if(testCantSave()) return;
+
+
+            // Save setting
+            EnumSet<Material> result = EnumSet.noneOf(Material.class);
+            result.addAll(this.elementGuiMap.keySet());
+
+            if(!this.selector.setSelectedMaterials(result)){
+                player.sendMessage("\u00A7cSomething went wrong while saving the change of value.");
+            }
+
+            // Return to parent
+            this.backGui.show(player);
+
+            }, CustomAnvil.instance);
+    }
+
+    /**
+     * @return A consumer to update the current setting's value.
+     */
+    protected Consumer<InventoryClickEvent> setItemAsCursor() {
+        return event -> {
+            event.setCancelled(true);
+
+            HumanEntity player = event.getWhoClicked();
+            ItemStack cursor = player.getItemOnCursor();
+
+            // Test if cursor material allowed
+            Material cursorMat = cursor.getType();
+            if(cursorMat.isAir()) return;
+            if(this.illegalMaterials.contains(cursorMat)) return;
+
+            // Update gui only if item did not exist before.
+            if(!this.elementGuiMap.containsKey(cursorMat)){
+                updateValueForGeneric(cursorMat, true);
+                this.nowMaterialHash ^= cursorMat.hashCode();
+
+                setSaveItem();
+                update();
+            }
+        };
+    }
+
+    @Override
+    protected ItemStack createItemForGeneric(Material material) {
+        ItemStack item = new ItemStack(material);
+        ItemMeta meta = item.getItemMeta();
+
+        if(meta == null) return item;
+        meta.setDisplayName("\u00A7a" + CasedStringUtil.snakeToUpperSpacedCase(material.name().toLowerCase()));
+        meta.setLore(Collections.singletonList("\u00A77Click here to remove this material from the list"));
+        meta.addItemFlags(ItemFlag.values());
+
+        item.setItemMeta(meta);
+
+        return item;
+    }
+
+    @Override
+    protected List<Material> getEveryDisplayableInstanceOfGeneric() {
+        return this.defaultMaterials;
+    }
+
+    @Override
+    protected void updateElement(Material material, GuiItem element) {
+        // Nothing happen here I think
+    }
+
+    @Override
+    protected GuiItem newElementRequested(Material material, GuiItem newItem) {
+        newItem.setAction(event -> {
+            if(this.instantRemove){
+                removeMaterial(material);
+            }else {
+                String materialName = CasedStringUtil.snakeToUpperSpacedCase(material.name().toLowerCase());
+
+                // Create and show confirm remove gui.
+                ConfirmActionGui confirmGui = new ConfirmActionGui(
+                        "Remove " + materialName,
+                        "\u00A77Confirm Remove " + materialName.toLowerCase() + " from this list.",
+                        this, this,
+                        () -> {
+                            removeMaterial(material);
+                            return true;
+                        }, false
+                );
+                confirmGui.show(event.getWhoClicked());
+
+            }
+        });
+        return newItem;
+    }
+
+    private void removeMaterial(Material material) {
+        if(this.elementGuiMap.containsKey(material)){
+            this.nowMaterialHash ^= material.hashCode();
+            setSaveItem();
+            removeGeneric(material);
+        }
+
+    }
+
+    @Override
+    protected GuiItem findItemFromElement(Material generic, GuiItem element) {
+        return element;
+    }
+
+    @Override
+    protected GuiItem findGuiItemForRemoval(Material generic, GuiItem element) {
+        return element;
+    }
+
+    private static int hashFromMaterialList(List<Material> materialList){
+        int defaultMaterialHash = 0;
+        for (Material material : materialList) {
+            defaultMaterialHash ^= material.hashCode();
+        }
+        return defaultMaterialHash;
+    }
+
+    private void setSaveItem() {
+        if(testCantSave()){
+            this.backgroundPane.bindItem('S', this.noChangeItem);
+        }else{
+            this.backgroundPane.bindItem('S', this.saveItem);
+        }
+
+    }
+
+    private boolean testCantSave() {
+        return this.defaultMaterialHash == this.nowMaterialHash;
+    }
+
+
+    // Unused functions.
+    @Override
+    protected GuiItem prepareCreateNewItem() {// Not used
+        return null;
+    }
+    @Override
+    protected Consumer<String> prepareCreateItemConsumer(HumanEntity player) {// Not used
+        return null;
+    }
+
+    @Override
+    protected String genericDisplayedName() {// Not Used
+        return null;
+    }
+}

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

@@ -97,6 +97,7 @@ public class GuiGlobalActions {
      */
     public static @NotNull Consumer<InventoryClickEvent> openGuiAction(@NotNull Gui goal) {
         return event -> {
+            event.setCancelled(true);
             HumanEntity player = event.getWhoClicked();
             // Do not allow to open inventory if player do not have edit configuration permission
             if (!player.hasPermission(CustomAnvil.editConfigPermission)) {
@@ -104,7 +105,6 @@ public class GuiGlobalActions {
                 player.sendMessage(NO_EDIT_PERM);
                 return;
             }
-            event.setCancelled(true);
             goal.show(player);
         };
     }

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

@@ -12,12 +12,10 @@ 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.BoolSettingsGui;
-import xyz.alexcrea.cuanvil.gui.config.settings.IntSettingsGui;
-import xyz.alexcrea.cuanvil.gui.config.settings.ItemSettingGui;
-import xyz.alexcrea.cuanvil.util.CasedStringUtil;
 
+import java.util.ArrayList;
 import java.util.Collections;
+import java.util.List;
 
 /**
  * A utility class to store function that create generic GUI item.
@@ -30,6 +28,8 @@ public class GuiGlobalItems {
     static {
         BACK_ITEM = new ItemStack(Material.BARRIER);
         ItemMeta meta = BACK_ITEM.getItemMeta();
+        assert meta != null;
+
         meta.setDisplayName("\u00A7cBack");
         BACK_ITEM.setItemMeta(meta);
     }
@@ -80,6 +80,8 @@ public class GuiGlobalItems {
     public static GuiItem backgroundItem(Material backgroundMat) {
         ItemStack item = new ItemStack(backgroundMat);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
+
         meta.setDisplayName("\u00A7c");
         item.setItemMeta(meta);
         return new GuiItem(item, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
@@ -117,8 +119,8 @@ public class GuiGlobalItems {
         addBackgroundItem(target, DEFAULT_BACKGROUND_MAT);
     }
 
-    private static final Material DEFAULT_SAVE_ITEM = Material.LIME_DYE;
+    public static final Material DEFAULT_SAVE_ITEM = Material.LIME_DYE;
-    private static final Material DEFAULT_NO_CHANGE_ITEM = Material.GRAY_DYE;
+    public static final Material DEFAULT_NO_CHANGE_ITEM = Material.GRAY_DYE;
 
     /**
      * Create a new save setting GuiItem.
@@ -135,6 +137,8 @@ public class GuiGlobalItems {
 
         ItemStack item = new ItemStack(DEFAULT_SAVE_ITEM);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
+
         meta.setDisplayName("\u00A7aSave");
         item.setItemMeta(meta);
         return new GuiItem(item,
@@ -148,6 +152,8 @@ public class GuiGlobalItems {
     static {
         ItemStack item = new ItemStack(DEFAULT_NO_CHANGE_ITEM);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
+
         meta.setDisplayName("\u00A77No change. can't save.");
         item.setItemMeta(meta);
         NO_CHANGE_ITEM = new GuiItem(item, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
@@ -181,134 +187,6 @@ public class GuiGlobalItems {
     // Prefix of the one line lore that will be added to setting's item.
     public static final String SETTING_ITEM_LORE_PREFIX = "\u00A77value: ";
 
-    /**
-     * Create a new Boolean setting GuiItem.
-     * This item will create and open a boolean setting GUI from the factory.
-     * The item will have its value written in the lore part of the item.
-     *
-     * @param factory The setting's GUI factory.
-     * @param name    Name of the item.
-     * @return A formatted GuiItem that will create and open a GUI for the boolean setting.
-     */
-    public static GuiItem boolSettingGuiItem(
-            @NotNull BoolSettingsGui.BoolSettingFactory factory,
-            @NotNull String name
-    ) {
-        // Get item properties
-        boolean value = factory.getConfiguredValue();
-
-        Material itemMat;
-        StringBuilder itemName = new StringBuilder("\u00A7");
-        if (value) {
-            itemMat = Material.GREEN_TERRACOTTA;
-            itemName.append("a");
-        } else {
-            itemMat = Material.RED_TERRACOTTA;
-            itemName.append("c");
-        }
-        itemName.append(name);
-
-        return createGuiItemFromProperties(factory, itemMat, itemName, value);
-    }
-
-    /**
-     * Create a new boolean setting GuiItem.
-     * This item will create and open a boolean setting GUI from the factory.
-     * The item will have its value written in the lore part of the item.
-     * Item's name will be the factory set title.
-     *
-     * @param factory The setting's GUI factory.
-     * @return A formatted GuiItem that will create and open a GUI for the boolean setting.
-     */
-    public static GuiItem boolSettingGuiItem(
-            @NotNull BoolSettingsGui.BoolSettingFactory factory
-    ) {
-        String configPath = getConfigNameFromPath(factory.getConfigPath());
-        return boolSettingGuiItem(factory, CasedStringUtil.snakeToUpperSpacedCase(configPath));
-    }
-
-    /**
-     * Create a new int setting GuiItem.
-     * This item will create and open an int setting GUI from the factory.
-     * The item will have its value written in the lore part of the item.
-     *
-     * @param factory The setting's GUI factory.
-     * @param itemMat Displayed material of the item.
-     * @param name    Name of the item.
-     * @return A formatted GuiItem that will create and open a GUI for the int setting.
-     */
-    public static GuiItem intSettingGuiItem(
-            @NotNull IntSettingsGui.IntSettingFactory factory,
-            @NotNull Material itemMat,
-            @NotNull String name
-    ) {
-        // Get item properties
-        int value = factory.getConfiguredValue();
-        StringBuilder itemName = new StringBuilder("\u00A7a").append(name);
-
-        return createGuiItemFromProperties(factory, itemMat, itemName, value);
-    }
-
-    /**
-     * Create a new int setting GuiItem.
-     * This item will create and open an int setting GUI from the factory.
-     * The item will have its value written in the lore part of the item.
-     * Item's name will be the factory set title.
-     *
-     * @param factory The setting's GUI factory.
-     * @param itemMat Displayed material of the item.
-     * @return A formatted GuiItem that will create and open a GUI for the int setting.
-     */
-    public static GuiItem intSettingGuiItem(
-            @NotNull IntSettingsGui.IntSettingFactory factory,
-            @NotNull Material itemMat
-    ) {
-        String configPath = getConfigNameFromPath(factory.getConfigPath());
-        return intSettingGuiItem(factory, itemMat, CasedStringUtil.detectToUpperSpacedCase(configPath));
-    }
-
-    /**
-     * Create a new item setting GuiItem.
-     * This item will create and open an item setting GUI from the factory.
-     * Item's name will be the factory set title.
-     *
-     * @param factory The setting's GUI factory.
-     * @param name    Name of the item.
-     * @return A formatted GuiItem that will create and open a GUI for the item setting.
-     */
-    public static GuiItem itemSettingGuiItem(
-            @NotNull ItemSettingGui.ItemSettingFactory factory,
-            @NotNull String name
-    ) {
-        ItemStack item = factory.getConfiguredValue();
-        if(item == null || item.getType().isAir()){
-            item = new ItemStack(Material.BARRIER);
-        }else{
-            item = item.clone();
-        }
-        ItemMeta meta = item.getItemMeta();
-        meta.setDisplayName("\u00A7a" + name);
-
-        item.setItemMeta(meta);
-
-        return openSettingGuiItem(item, factory);
-    }
-
-    /**
-     * Create a new item setting GuiItem.
-     * This item will create and open an item setting GUI from the factory.
-     * Item's name will be the factory set title.
-     *
-     * @param factory The setting's GUI factory.
-     * @return A formatted GuiItem that will create and open a GUI for the item setting.
-     */
-    public static GuiItem itemSettingGuiItem(
-            @NotNull ItemSettingGui.ItemSettingFactory factory
-    ) {
-        String configPath = getConfigNameFromPath(factory.getConfigPath());
-        return itemSettingGuiItem(factory, CasedStringUtil.detectToUpperSpacedCase(configPath));
-    }
-
     /**
      * Create an arbitrary GuiItem from a unique setting and item's property.
      *
@@ -317,20 +195,32 @@ public class GuiGlobalItems {
      * @param itemName    Name of the item.
      * @param value       Value of the setting when the item is created.
      *                    Will not update automatically, if the setting's value change, the item need to be created again.
+     * @param displayLore Gui display item lore.
      * @return A formatted GuiItem that will create and open a GUI for the setting.
      */
     public static GuiItem createGuiItemFromProperties(
             @NotNull AbstractSettingGui.SettingGuiFactory factory,
             @NotNull Material itemMat,
             @NotNull StringBuilder itemName,
-            @NotNull Object value
+            @NotNull Object value,
+            @NotNull List<String> displayLore,
+            boolean displayValuePrefix
     ) {
+        // Prepare lore
+        ArrayList<String> lore = new ArrayList<>();
+        lore.add((displayValuePrefix ? SETTING_ITEM_LORE_PREFIX  : "") + value);
+        if(!displayLore.isEmpty()){
+            lore.add("");
+            lore.addAll(displayLore);
+        }
+
         // Create & initialise item
         ItemStack item = new ItemStack(itemMat);
         ItemMeta itemMeta = item.getItemMeta();
+        assert itemMeta != null;
 
         itemMeta.setDisplayName(itemName.toString());
-        itemMeta.setLore(Collections.singletonList(SETTING_ITEM_LORE_PREFIX + value));
+        itemMeta.setLore(lore);
         itemMeta.addItemFlags(ItemFlag.values());
 
         item.setItemMeta(itemMeta);
@@ -355,6 +245,7 @@ public class GuiGlobalItems {
     public static GuiItem temporaryCloseGuiToSelectItem(Material itemMaterial, Gui openBack){
         ItemStack item = new ItemStack(itemMaterial);
         ItemMeta meta = item.getItemMeta();
+        assert meta != null;
 
         meta.setDisplayName("\u00A7eTemporary close this menu");
         meta.setLore(Collections.singletonList("\u00A77Allow you to chose other item then return here."));

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

@@ -55,20 +55,33 @@ public class GuiSharedConstant {
 
     public static final ItemStack CANCEL_ITEM;
     public static final ItemStack CONFIRM_ITEM;
+    public static final ItemStack CONFIRM_PERMANENT_ITEM;
 
     static {
         CANCEL_ITEM = new ItemStack(Material.RED_TERRACOTTA);
         ItemMeta meta = CANCEL_ITEM.getItemMeta();
+        assert meta != null;
+
         meta.setDisplayName("\u00A7cCancel");
         meta.setLore(Collections.singletonList("\u00A77Cancel current action and return to previous menu."));
         CANCEL_ITEM.setItemMeta(meta);
 
         CONFIRM_ITEM = new ItemStack(Material.GREEN_TERRACOTTA);
         meta = CONFIRM_ITEM.getItemMeta();
+        assert meta != null;
+
+        meta.setDisplayName("\u00A7aConfirm");
+        meta.setLore(Collections.singletonList("\u00A77Confirm current action."));
+        CONFIRM_ITEM.setItemMeta(meta);
+
+        CONFIRM_PERMANENT_ITEM = new ItemStack(Material.GREEN_TERRACOTTA);
+        meta = CONFIRM_PERMANENT_ITEM.getItemMeta();
+        assert meta != null;
+
         meta.setDisplayName("\u00A7aConfirm");
         meta.setLore(Arrays.asList("\u00A77Confirm current action.",
                 "\u00A74Cation: This action can't be canceled."));
-        CONFIRM_ITEM.setItemMeta(meta);
+        CONFIRM_PERMANENT_ITEM.setItemMeta(meta);
     }
 
 

src/main/kotlin/xyz/alexcrea/cuanvil/command/ReloadExecutor.kt

@@ -5,11 +5,7 @@ import org.bukkit.command.Command
 import org.bukkit.command.CommandExecutor
 import org.bukkit.command.CommandSender
 import xyz.alexcrea.cuanvil.config.ConfigHolder
-import xyz.alexcrea.cuanvil.gui.config.global.BasicConfigGui
+import xyz.alexcrea.cuanvil.gui.config.global.*
-import xyz.alexcrea.cuanvil.gui.config.global.EnchantConflictGui
-import xyz.alexcrea.cuanvil.gui.config.global.EnchantCostConfigGui
-import xyz.alexcrea.cuanvil.gui.config.global.EnchantLimitConfigGui
-import xyz.alexcrea.cuanvil.gui.config.global.UnitRepairConfigGui
 import xyz.alexcrea.cuanvil.util.MetricsUtil
 
 class ReloadExecutor : CommandExecutor {
@@ -43,8 +39,11 @@ class ReloadExecutor : CommandExecutor {
             BasicConfigGui.INSTANCE.updateGuiValues()
             EnchantCostConfigGui.INSTANCE.updateGuiValues()
             EnchantLimitConfigGui.INSTANCE.updateGuiValues()
+
             EnchantConflictGui.INSTANCE.reloadValues()
+            GroupConfigGui.INSTANCE.reloadValues()
             UnitRepairConfigGui.INSTANCE.reloadValues()
+            CustomRecipeConfigGui.INSTANCE.reloadValues()
 
             // & update metric
             MetricsUtil.testIfConfigIsDefault()

src/main/kotlin/xyz/alexcrea/cuanvil/group/AbstractMaterialGroup.kt

@@ -60,6 +60,10 @@ abstract class AbstractMaterialGroup(private val name: String) {
         return name
     }
 
+    override fun toString(): String {
+        return name
+    }
+
     /**
      * Update the contained groups of this group
      */
@@ -88,4 +92,6 @@ abstract class AbstractMaterialGroup(private val name: String) {
         return Material.PAPER
     }
 
+    abstract fun updateMaterials()
+
 }

src/main/kotlin/xyz/alexcrea/cuanvil/group/EnchantConflictManager.kt

@@ -82,7 +82,7 @@ class EnchantConflictManager {
         // Read and add enchantment to conflict
         val enchantList = section.getStringList(ENCH_LIST_PATH)
         for (enchantName in enchantList) {
-            val enchant = getEnchantByName(enchantName);
+            val enchant = getEnchantByName(enchantName)
             if (enchant == null) {
                 if (!futureUse) {
                     CustomAnvil.instance.logger.warning("Enchantment $enchantName do not exist but was asked for conflict $conflictName")
@@ -110,7 +110,7 @@ class EnchantConflictManager {
         }
 
         val enchantKey = NamespacedKey.minecraft(enchantName)
-        return Enchantment.getByKey(enchantKey);
+        return Enchantment.getByKey(enchantKey)
     }
 
 

src/main/kotlin/xyz/alexcrea/cuanvil/group/ExcludeGroup.kt

@@ -47,6 +47,15 @@ class ExcludeGroup(name: String) : AbstractMaterialGroup(name) {
         return includedGroup
     }
 
+    override fun updateMaterials() {
+        groupItems.clear()
+        groupItems.addAll(includedMaterial)
+
+        includedGroup.forEach { group ->
+            groupItems.addAll(group.getMaterials())
+        }
+    }
+
     override fun getMaterials(): EnumSet<Material> {
         return groupItems
     }

src/main/kotlin/xyz/alexcrea/cuanvil/group/IncludeGroup.kt

@@ -45,7 +45,15 @@ class IncludeGroup(name: String) : AbstractMaterialGroup(name) {
 
     override fun setNonGroupInheritedMaterials(materials: EnumSet<Material>) {
         super.setNonGroupInheritedMaterials(materials)
-        // Update group items
+
+        updateMaterials()
+    }
+
+    override fun getGroups(): MutableSet<AbstractMaterialGroup> {
+        return includedGroup
+    }
+
+    override fun updateMaterials() {
         groupItems.clear()
         groupItems.addAll(includedMaterial)
 
@@ -54,10 +62,6 @@ class IncludeGroup(name: String) : AbstractMaterialGroup(name) {
         }
     }
 
-    override fun getGroups(): MutableSet<AbstractMaterialGroup> {
-        return includedGroup
-    }
-
     override fun getMaterials(): EnumSet<Material> {
         return groupItems
     }

src/main/kotlin/xyz/alexcrea/cuanvil/group/ItemGroupManager.kt

@@ -9,13 +9,13 @@ class ItemGroupManager {
 
     companion object {
         // Path for group type
-        private const val GROUP_TYPE_PATH = "type"
+        const val GROUP_TYPE_PATH = "type"
 
         // Path for included items list
-        private const val MATERIAL_LIST_PATH = "items"
+        const val MATERIAL_LIST_PATH = "items"
 
         // Path for included groups list
-        private const val GROUP_LIST_PATH = "groups"
+        const val GROUP_LIST_PATH = "groups"
 
         // Temporary list of elements in default config that are use in future
         private val FUTURE_MATERIAL = setOf("PIGLIN_HEAD", "BRUSH")
@@ -35,6 +35,15 @@ class ItemGroupManager {
         }
     }
 
+    // Create group with existing groups
+    fun createGroup(
+        config: ConfigurationSection,
+        name: String
+    ): AbstractMaterialGroup{
+        return createGroup(config, groupMap.keys, name)
+    }
+
+
     // Create group by key
     private fun createGroup(
         config: ConfigurationSection,
@@ -46,7 +55,7 @@ class ItemGroupManager {
 
         // Create Material group according to the group type
         val group: AbstractMaterialGroup
-        if (GroupType.EXCLUDE.equal(groupType)) {
+        if (groupType != null && GroupType.EXCLUDE.equal(groupType)) {
             group = ExcludeGroup(key)
         } else {
             group = IncludeGroup(key)
@@ -124,7 +133,7 @@ class ItemGroupManager {
 
 }
 
-enum class GroupType(private val groupID: String) {
+enum class GroupType(val groupID: String) {
 
     INCLUDE("include"),
     EXCLUDE("exclude")

src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt

@@ -32,20 +32,20 @@ class AnvilCustomRecipe(
         const val RESULT_ITEM_CONFIG = "result_item"
 
 
-        val DEFAULT_EXACT_COUNT_CONFIG = true
+        const val DEFAULT_EXACT_COUNT_CONFIG = true
         //val DEFAULT_EXACT_LEFT_CONFIG = true
         //val DEFAULT_EXACT_RIGHT_CONFIG = true
 
-        val DEFAULT_XP_COST_CONFIG = 1
+        const val DEFAULT_XP_COST_CONFIG = 1
 
         val DEFAULT_LEFT_ITEM_CONFIG: ItemStack? = null
         val DEFAULT_RIGHT_ITEM_CONFIG: ItemStack? = null
-        val DEFAULT_RESULT_ITEM_CONFIG: ItemStack? = null;
+        val DEFAULT_RESULT_ITEM_CONFIG: ItemStack? = null
 
         val XP_COST_CONFIG_RANGE = 0..255
 
         fun getFromConfig(name: String, configSection: ConfigurationSection?): AnvilCustomRecipe? {
-            if(configSection == null) return null;
+            if(configSection == null) return null
             return AnvilCustomRecipe(
                 name,
                 configSection.getBoolean(EXACT_COUNT_CONFIG, DEFAULT_EXACT_COUNT_CONFIG),
@@ -89,7 +89,7 @@ class AnvilCustomRecipe(
 
 
         if (GuiSharedConstant.TEMPORARY_DO_SAVE_TO_DISK_EVERY_CHANGE) {
-            ConfigHolder.CUSTOM_RECIPE_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE);
+            ConfigHolder.CUSTOM_RECIPE_HOLDER.saveToDisk(GuiSharedConstant.TEMPORARY_DO_BACKUP_EVERY_SAVE)
         }
     }
 

src/main/resources/config.yml

@@ -1,11 +1,11 @@
-# Whether all anvil actions should be capped
+# Whether all anvil actions cost should be capped
 #
 # If true, all anvil repairs will max out at the value of limit_repair_value
 limit_repair_cost: false
 
 # Value to limit repair costs to when limit_repair_cost is true
 #
-# Valid range of 1 - 39 (vanilla will consider 40+ as "too expensive")
+# Valid values include 1 to 39 (vanilla will consider 40+ as "too expensive")
 limit_repair_value: 39
 
 # Whether the anvil's repair limit should be removed entirely
@@ -13,31 +13,32 @@ limit_repair_value: 39
 # The anvil will still visually display "too expensive" however the action will be completable
 remove_repair_limit: false
 
-# Value added to the anvil when the item is repaired by another item of the same type
+# XP Level amount added to the anvil when the item is repaired by another item of the same type
 #
-# Valid range of 0 - 255
+# Valid values include 0 to 255
 item_repair_cost: 2
 
-# Value added to the anvil when the item is repaired by an "unit"
+# XP Level amount added to the anvil when the item is repaired by an "unit"
-# For example, a diamond on a diamond sword
+# For example: a Diamond on a Diamond Sword
+# What's considered unit for what can be edited on the unit repair configuration.
 #
-# Valid range of 0 - 255
+# Valid values include 0 to 255
 unit_repair_cost: 1
 
-# Value added to the anvil when the item is renamed
+# XP Level amount added to the anvil when the item is renamed
 #
-# Valid range of 0 - 255
+# Valid values include 0 to 255
 item_rename_cost: 1
 
-# Value added to the anvil when a sacrifice enchantment conflict
+# XP Level amount added to the anvil when a sacrifice enchantment
-# with one of the left item enchantment
+# conflict with one of the left item enchantment
 #
-# Valid range of 0 - 255
+# Valid values include 0 to 255
 sacrifice_illegal_enchant_cost: 1
 
 # Default limit to apply to any enchants missing from override_limits
 #
-# Valid range of 1 - 255
+# Valid values include 1 to 255
 default_limit: 5
 
 # Override limits for specific enchants

src/main/resources/plugin.yml

@@ -1,7 +1,7 @@
 main: io.delilaheve.CustomAnvil
 name: CustomAnvil
 prefix: "Custom Anvil"
-version: 1.4.3a
+version: 1.4.4
 description: Allow to customise anvil mechanics
 api-version: 1.18
 load: POSTWORLD