Start of the group config guis.

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

@@ -82,15 +82,15 @@ public class MainConfigGui extends ChestGui {
         GuiItem enchantConflictItem = GuiGlobalItems.goToGuiItem(EnchantConflictItemstack, EnchantConflictGui.INSTANCE);
         pane.bindItem('4', enchantConflictItem);
 
-        // WIP configuration items
+        // Group config items
         ItemStack wipItemstack = new ItemStack(Material.BARRIER);
         ItemMeta wipMeta = wipItemstack.getItemMeta();
         wipMeta.setDisplayName("\u00A7cWIP");
         wipItemstack.setItemMeta(wipMeta);
 
-        GuiItem wip = new GuiItem(wipItemstack, GuiGlobalActions.stayInPlace, CustomAnvil.instance);
+        GuiItem groupConfigItem = GuiGlobalItems.goToGuiItem(wipItemstack, GroupConfigGui.INSTANCE);
 
-        pane.bindItem('5', wip);
+        pane.bindItem('5', groupConfigItem);
 
         // Unit repair item
         ItemStack unirRepairItemstack = new ItemStack(Material.DIAMOND);

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

@@ -0,0 +1,67 @@
+package xyz.alexcrea.cuanvil.gui.config.global;
+
+import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import org.bukkit.Material;
+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.IncludeGroup;
+import xyz.alexcrea.cuanvil.gui.config.list.MappedGuiListConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.list.elements.ConflictSubSettingGui;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class GroupConfigGui extends MappedGuiListConfigGui<AbstractMaterialGroup, ConflictSubSettingGui> {
+
+    public final static GroupConfigGui INSTANCE = new GroupConfigGui();
+
+    static {
+        INSTANCE.init();
+    }
+
+    public GroupConfigGui() {
+        super("Group Config");
+    }
+
+    @Override
+    protected ItemStack createItemForGeneric(AbstractMaterialGroup group) {
+        ItemStack item = new ItemStack(group.getRepresentativeMaterial());
+        ItemMeta meta = item.getItemMeta();
+
+        meta.setDisplayName(group.getName());
+
+        item.setItemMeta(meta);
+        return item;
+    }
+
+    @Override
+    protected List<AbstractMaterialGroup> getEveryDisplayableInstanceOfGeneric() {
+        ArrayList<AbstractMaterialGroup> includeGroups = new ArrayList<>();
+
+        for (AbstractMaterialGroup group : ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().getGroupMap().values()) {
+            if(group instanceof IncludeGroup){
+                includeGroups.add(group);
+            }
+        }
+        return includeGroups;
+    }
+
+    @Override
+    protected ConflictSubSettingGui newInstanceOfGui(AbstractMaterialGroup group, GuiItem item) {
+        return new ConflictSubSettingGui(this, group, item);
+    }
+
+    @Override
+    protected String genericDisplayedName() {
+        return "material group";
+    }
+
+    @Override
+    protected AbstractMaterialGroup createAndSaveNewEmptyGeneric(String name) {
+
+        return null;
+    }
+
+}

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

@@ -81,6 +81,7 @@ public abstract class MappedGuiListConfigGui< T, S extends ElementMappedToListGu
             }
 
             T generic = createAndSaveNewEmptyGeneric(message);
+            if(generic == null) return;// we don't know what to do
 
             updateValueForGeneric(generic, true);
 

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

@@ -0,0 +1,129 @@
+package xyz.alexcrea.cuanvil.gui.config.list.elements;
+
+import com.github.stefvanschie.inventoryframework.gui.GuiItem;
+import com.github.stefvanschie.inventoryframework.gui.type.util.Gui;
+import com.github.stefvanschie.inventoryframework.pane.PatternPane;
+import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
+import io.delilaheve.CustomAnvil;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.jetbrains.annotations.NotNull;
+import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
+import xyz.alexcrea.cuanvil.group.ItemGroupManager;
+import xyz.alexcrea.cuanvil.gui.config.ask.ConfirmActionGui;
+import xyz.alexcrea.cuanvil.gui.config.global.GroupConfigGui;
+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.recipe.CustomAnvilRecipeManager;
+import xyz.alexcrea.cuanvil.util.CasedStringUtil;
+
+import java.util.Collections;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+
+public class ConflictSubSettingGui extends MappedToListSubSettingGui {
+
+    private final GroupConfigGui parent;
+    private final AbstractMaterialGroup group;
+    private final PatternPane pane;
+
+    public ConflictSubSettingGui(
+            @NotNull GroupConfigGui parent,
+            @NotNull AbstractMaterialGroup group,
+            @NotNull GuiItem item) {
+        super(item, 3, group.getName());
+        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 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 RECIPE");
+        deleteMeta.setLore(Collections.singletonList("\u00A7cCaution with this button !"));
+
+        deleteItem.setItemMeta(deleteMeta);
+        this.pane.bindItem('D', new GuiItem(deleteItem, GuiGlobalActions.openGuiAction(createDeleteGui()), CustomAnvil.instance));
+
+    }
+
+    private @NotNull Consumer<InventoryClickEvent> openGuiAction() {
+        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;
+            }
+            // TODO test if group is used & cancel if so
+
+            deleteGui.show(player);
+        };
+    }
+
+    private @NotNull ConfirmActionGui createDeleteGui() {
+        Supplier<Boolean> deleteSupplier = () -> {
+            ItemGroupManager manager = ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager();
+            // TODO test if group is used & cancel if so
+
+            // TODO remove group
+            Bukkit.broadcastMessage("todo");
+
+
+            // 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
+        );
+    }
+
+    @Override
+    public void updateGuiValues() {
+        // TODO update value from config to conflict
+
+        // Parent should call updateLocal with this call
+        this.parent.updateValueForGeneric(this.group, true);
+    }
+
+    @Override
+    public void updateLocal() {
+
+    }
+
+    @Override
+    public void cleanAndBeUnusable() {
+
+    }
+}

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/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
      */