+ItemMaterialFiller (Only obtainable item Material is found in this f…

…iller).

src/main/java/us/mytheria/bloblib/entities/BlobEditor.java

@@ -3,6 +3,7 @@
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
+import org.bukkit.Sound;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -46,15 +47,16 @@ public void loadInConstructor() {
 
     @Override
     public void loadPage(int page, boolean refill) {
-        if (page < 1)
+        if (page < 1) {
             return;
+        }
         if (getTotalPages() < page) {
             return;
         }
         if (refill)
             refillButton("White-Background");
         clearValues();
-        List<VariableValue<T>> values = page(page, getItemsPerPage());
+        List<VariableValue<T>> values = this.page(page, getItemsPerPage());
         for (int i = 0; i < values.size(); i++) {
             setValue(i, values.get(i));
         }
@@ -83,11 +85,15 @@ public List<VariableValue<T>> page(int page, int itemsPerPage) {
 
     @SuppressWarnings("unchecked")
     public void removeElement(Player player, Runnable onRemove) {
-        loadPage(getPage(), false);
+        loadPage(getPage(), true);
         selectorManager.addSelectorListener(player, BlobSelectorListener.build(player,
                 () -> {
-                    if (selectorManager.get(player).getInput() == null)
+                    if (selectorManager.get(player).getInput() == null) {
+                        selectorManager.removeSelectorListener(player);
+                        onRemove.run();
                         return;
+                    }
+                    player.playSound(player.getLocation(), Sound.UI_BUTTON_CLICK, 1, 1);
                     T input = (T) selectorManager.get(player).getInput();
                     selectorManager.removeSelectorListener(player);
                     Bukkit.getScheduler().runTask(BlobLib.getInstance(), () -> {
@@ -110,6 +116,14 @@ public int totalPages(int itemsPerPage) {
         return (int) Math.ceil((double) list.size() / (double) itemsPerPage);
     }
 
+    @Override
+    public int getTotalPages() {
+        int totalPages = totalPages(getItemsPerPage());
+        if (totalPages == 0)
+            totalPages = 1;
+        return totalPages;
+    }
+
     @Override
     public void add(T t) {
         list.add(t);

src/main/java/us/mytheria/bloblib/managers/fillermanager/FillerManager.java

@@ -10,6 +10,7 @@ public class FillerManager {
     public FillerManager() {
         variableFillers = new HashMap<>();
         variableFillers.put("Material", new MaterialFiller());
+        variableFillers.put("ItemMaterial", new ItemMaterialFiller());
         variableFillers.put("BlockMaterial", new BlockMaterialFiller());
         variableFillers.put("SpawnableEntityType", new SpawnableEntityTypeFiller());
     }
@@ -18,6 +19,10 @@ public MaterialFiller getMaterialFiller() {
         return (MaterialFiller) variableFillers.get("Material");
     }
 
+    public ItemMaterialFiller getItemMaterialFiller() {
+        return (ItemMaterialFiller) variableFillers.get("ItemMaterial");
+    }
+
     public BlockMaterialFiller getBlockMaterialFiller() {
         return (BlockMaterialFiller) variableFillers.get("BlockMaterial");
     }

src/main/java/us/mytheria/bloblib/managers/fillermanager/ItemMaterialFiller.java

@@ -0,0 +1,54 @@
+package us.mytheria.bloblib.managers.fillermanager;
+
+import net.md_5.bungee.api.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import us.mytheria.bloblib.entities.VariableFiller;
+import us.mytheria.bloblib.entities.VariableValue;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ItemMaterialFiller implements VariableFiller<Material> {
+    private final ArrayList<Material> materials;
+
+    public ItemMaterialFiller() {
+        materials = new ArrayList<>();
+        for (Material material : Material.values()) {
+            if (material.name().contains("LEGACY"))
+                continue;
+            if (!material.isItem())
+                continue;
+            if (new ItemStack(material).getItemMeta() == null)
+                continue;
+            materials.add(material);
+        }
+    }
+
+    @Override
+    public List<VariableValue<Material>> page(int page, int itemsPerPage) {
+        int start = (page - 1) * itemsPerPage;
+        int end = start + (itemsPerPage);
+        ArrayList<VariableValue<Material>> values = new ArrayList<>();
+        for (int i = start; i < end; i++) {
+            Material material;
+            try {
+                material = materials.get(i);
+                ItemStack itemStack = new ItemStack(material);
+                ItemMeta itemMeta = itemStack.getItemMeta();
+                itemMeta.setDisplayName(ChatColor.GOLD + material.name());
+                itemStack.setItemMeta(itemMeta);
+                values.add(new VariableValue<>(itemStack, material));
+            } catch (IndexOutOfBoundsException e) {
+                break;
+            }
+        }
+        return values;
+    }
+
+    @Override
+    public int totalPages(int itemsPerPage) {
+        return (int) Math.ceil((double) materials.size() / (double) itemsPerPage);
+    }
+}