add list gui filter

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

@@ -5,7 +5,6 @@ import com.github.stefvanschie.inventoryframework.pane.util.Pattern;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import xyz.alexcrea.cuanvil.enchant.CAEnchantment;
 import xyz.alexcrea.cuanvil.enchant.CAEnchantmentRegistry;
-import xyz.alexcrea.cuanvil.gui.ValueUpdatableGui;
 import xyz.alexcrea.cuanvil.gui.config.list.SettingGuiListConfigGui;
 import xyz.alexcrea.cuanvil.gui.config.settings.SettingGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiSharedConstant;
@@ -37,7 +36,7 @@ public abstract class AbstractEnchantConfigGui<T extends SettingGui.SettingGuiFa
     }
 
     @Override
-    protected Collection<CAEnchantment> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<CAEnchantment> getEveryInstanceOfGeneric() {
         return CAEnchantmentRegistry.getInstance().getNameSortedEnchantments();
     }
 
@@ -73,7 +72,7 @@ public abstract class AbstractEnchantConfigGui<T extends SettingGui.SettingGuiFa
             this.pages.clear();
             this.pages.add(this.firstPage);
 
-            for (CAEnchantment enchantment : getEveryDisplayableInstanceOfGeneric()) {
+            for (CAEnchantment enchantment : getDisplayableInstanceOfGeneric()) {
                 GuiItem item = this.guiItemMap.get(enchantment);
 
                 if(item == null) {

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

@@ -113,7 +113,7 @@ public class CustomRecipeConfigGui extends MappedGuiListConfigGui<AnvilCustomRec
 
 
     @Override
-    protected Collection<AnvilCustomRecipe> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<AnvilCustomRecipe> getEveryInstanceOfGeneric() {
         return ConfigHolder.CUSTOM_RECIPE_HOLDER.getRecipeManager().getRecipeList();
     }
 }

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

@@ -97,7 +97,7 @@ public class EnchantConflictGui extends MappedGuiListConfigGui<EnchantConflictGr
     }
 
     @Override
-    protected Collection<EnchantConflictGroup> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<EnchantConflictGroup> getEveryInstanceOfGeneric() {
         return ConfigHolder.CONFLICT_HOLDER.getConflictManager().getConflictList();
     }
 

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

@@ -62,7 +62,7 @@ public class GroupConfigGui extends MappedGuiListConfigGui<IncludeGroup, MappedG
     }
 
     @Override
-    protected Collection<IncludeGroup> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<IncludeGroup> getEveryInstanceOfGeneric() {
         ArrayList<IncludeGroup> includeGroups = new ArrayList<>();
 
         for (AbstractMaterialGroup group : ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().getGroupMap().values()) {

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

@@ -77,7 +77,7 @@ public class UnitRepairConfigGui extends
     }
 
     @Override
-    protected Collection<Material> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<Material> getEveryInstanceOfGeneric() {
         ArrayList<Material> materials = new ArrayList<>();
 
         for (String matName : ConfigHolder.UNIT_REPAIR_HOLDER.getConfig().getKeys(false)) {

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

@@ -23,18 +23,21 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.UUID;
+import java.util.function.Predicate;
 
-public abstract class ElementListConfigGui< T > extends ChestGui implements ValueUpdatableGui {
+public abstract class ElementListConfigGui<T> extends ChestGui implements ValueUpdatableGui {
-
-    private final String namePrefix;
-
-    protected PatternPane backgroundPane;
 
     public static final int LIST_FILLER_START_X = 1;
     public static final int LIST_FILLER_START_Y = 1;
     public static final int LIST_FILLER_LENGTH = 7;
     public static final int LIST_FILLER_HEIGHT = 4;
 
+    private final String namePrefix;
+
+    protected PatternPane backgroundPane;
+
+    private Predicate<T> filter = (t) -> true;
+
     protected ElementListConfigGui(@NotNull String title, Gui parent) {
         super(6, title, CustomAnvil.instance);
         this.namePrefix = title;
@@ -46,7 +49,11 @@ public abstract class ElementListConfigGui< T > extends ChestGui implements Valu
 
     }
 
-    protected Pattern getBackgroundPattern(){
+    public void setFilter(Predicate<T> filter) {
+        this.filter = filter;
+    }
+
+    protected Pattern getBackgroundPattern() {
         return new Pattern(
                 GuiSharedConstant.UPPER_FILLER_FULL_PLANE,
                 GuiSharedConstant.EMPTY_FILLER_FULL_LINE,
@@ -81,7 +88,7 @@ public abstract class ElementListConfigGui< T > extends ChestGui implements Valu
     protected GuiItem goLeftItem;
     protected GuiItem goRightItem;
 
-    protected void prepareStaticValues(){
+    protected void prepareStaticValues() {
         // Left item creation for consumer & bind
         this.goLeftItem = new GuiItem(new ItemStack(Material.RED_STAINED_GLASS_PANE), event -> {
             HumanEntity viewer = event.getWhoClicked();
@@ -113,16 +120,17 @@ public abstract class ElementListConfigGui< T > extends ChestGui implements Valu
         }, CustomAnvil.instance);
 
         GuiItem createNew = prepareCreateNewItem();
-        if(createNew != null){
+        if (createNew != null) {
             this.backgroundPane.bindItem('C', createNew);
         }
     }
-    protected void reloadValues(){
+
+    protected void reloadValues() {
         this.firstPage.clear();
         this.pages.clear();
         this.pages.add(this.firstPage);
 
-        for (T generic : getEveryDisplayableInstanceOfGeneric()) {
+        for (T generic : getDisplayableInstanceOfGeneric()) {
             updateValueForGeneric(generic, false);
         }
 
@@ -247,7 +255,7 @@ public abstract class ElementListConfigGui< T > extends ChestGui implements Valu
         // set title
         StringBuilder title = new StringBuilder(this.namePrefix);
         int pagesSize = this.pages.size();
-        if(pagesSize > 1){
+        if (pagesSize > 1) {
             title.append(" (").append(pageID + 1).append('/').append(pagesSize).append(')');
         }
         setTitle(title.toString());
@@ -288,7 +296,7 @@ public abstract class ElementListConfigGui< T > extends ChestGui implements Valu
 
     public void removeGeneric(T generic) {
         GuiItem item = findGuiItemForRemoval(generic);
-        if(item == null) return;
+        if (item == null) return;
         removeFromPage(item);
 
         update();
@@ -300,7 +308,11 @@ public abstract class ElementListConfigGui< T > extends ChestGui implements Valu
 
     protected abstract void updateGeneric(T generic, ItemStack usedItem);
 
-    protected abstract Collection<T> getEveryDisplayableInstanceOfGeneric();
+    protected abstract Collection<T> getEveryInstanceOfGeneric();
+
+    protected Collection<T> getDisplayableInstanceOfGeneric() {
+        return getEveryInstanceOfGeneric().stream().filter(filter).toList();
+    }
 
     @Override
     public void updateGuiValues() {

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

@@ -80,7 +80,7 @@ public abstract class MappedGuiListConfigGui< T, S extends MappedGuiListConfigGu
 
             // Try to find if it already exists in a for loop
             // Not the most efficient on large number of conflict, but it should not run often.
-            for (T generic : getEveryDisplayableInstanceOfGeneric()) {
+            for (T generic : getDisplayableInstanceOfGeneric()) {
                 if (generic.toString().equalsIgnoreCase(message)) {
                     player.sendMessage("§cPlease enter a "+genericDisplayedName()+" name that do not already exist...");
                     // wait next message.

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

@@ -134,7 +134,7 @@ public class UnitRepairElementListGui extends SettingGuiListConfigGui<String, Do
     }
 
     @Override
-    protected Collection<String> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<String> getEveryInstanceOfGeneric() {
         ArrayList<String> keys = new ArrayList<>();
         if(!this.shouldWork){
             return keys;

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

@@ -63,7 +63,7 @@ public class EnchantSelectSettingGui extends SettingGuiListConfigGui<CAEnchantme
     }
 
     @Override
-    protected Collection<CAEnchantment> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<CAEnchantment> getEveryInstanceOfGeneric() {
         Stream<CAEnchantment> toDisplayStream;
         if(this.displayUnselected){
             toDisplayStream = CAEnchantmentRegistry.getInstance().getNameSortedEnchantments().stream();

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

@@ -217,7 +217,7 @@ public class MaterialSelectSettingGui extends MappedElementListConfigGui<Namespa
     }
 
     @Override
-    protected Collection<NamespacedKey> getEveryDisplayableInstanceOfGeneric() {
+    protected Collection<NamespacedKey> getEveryInstanceOfGeneric() {
         return this.defaultMaterials;
     }