Add PagedInventoriesGuiImpl

invui-core/src/main/java/xyz/xenondevs/invui/gui/PagedGui.java

@@ -4,6 +4,7 @@ import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import xyz.xenondevs.invui.gui.structure.Structure;
+import xyz.xenondevs.invui.inventory.Inventory;
 import xyz.xenondevs.invui.item.Item;
 
 import java.util.List;
@@ -107,6 +108,51 @@ public interface PagedGui<C> extends Gui {
         return new PagedNestedGuiImpl(guis, structure);
     }
     
+    /**
+     * Creates a new {@link Builder Gui Builder} for a {@link PagedGui} that uses {@link Inventory Inventories} as content.
+     *
+     * @return The new {@link Builder Gui Builder}.
+     */
+    static @NotNull Builder<@NotNull Inventory> inventories() {
+        return new PagedInventoriesGuiImpl.Builder();
+    }
+    
+    /**
+     * Creates a new {@link PagedGui} after configuring a {@link Builder Gui Builder} using the given {@link Consumer}.
+     *
+     * @param consumer The {@link Consumer} to configure the {@link Builder Gui Builder}.
+     * @return The created {@link PagedGui}.
+     */
+    static @NotNull PagedGui<@NotNull Inventory> inventories(@NotNull Consumer<@NotNull Builder<@NotNull Inventory>> consumer) {
+        Builder<Inventory> builder = inventories();
+        consumer.accept(builder);
+        return builder.build();
+    }
+    
+    /**
+     * Creates a new {@link PagedGui}.
+     *
+     * @param width            The width of the {@link PagedGui}.
+     * @param height           The height of the {@link PagedGui}.
+     * @param inventories             The {@link Inventory Inventories} to use as pages.
+     * @param contentListSlots The slots where content should be displayed.
+     * @return The created {@link PagedGui}.
+     */
+    static @NotNull PagedGui<@NotNull Inventory> ofInventories(int width, int height, @NotNull List<@NotNull Inventory> inventories, int... contentListSlots) {
+        return new PagedInventoriesGuiImpl(width, height, inventories, contentListSlots);
+    }
+    
+    /**
+     * Creates a new {@link PagedGui}.
+     *
+     * @param structure The {@link Structure} to use.
+     * @param inventories      The {@link Inventory Inventories} to use as pages.
+     * @return The created {@link PagedGui}.
+     */
+    static @NotNull PagedGui<@NotNull Inventory> ofInventories(@NotNull Structure structure, @NotNull List<@NotNull Inventory> inventories) {
+        return new PagedInventoriesGuiImpl(inventories, structure);
+    }
+    
     /**
      * Gets the amount of pages this {@link PagedGui} has.
      *

invui-core/src/main/java/xyz/xenondevs/invui/gui/PagedInventoriesGuiImpl.java

@@ -0,0 +1,84 @@
+package xyz.xenondevs.invui.gui;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import xyz.xenondevs.invui.gui.structure.Structure;
+import xyz.xenondevs.invui.inventory.Inventory;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+/**
+ * An {@link AbstractPagedGui} where every page is its own {@link Inventory}.
+ *
+ * @see PagedItemsGuiImpl
+ * @see PagedNestedGuiImpl
+ */
+final class PagedInventoriesGuiImpl extends AbstractPagedGui<Inventory> {
+    
+    private List<Inventory> inventories;
+    
+    /**
+     * Creates a new {@link PagedInventoriesGuiImpl}.
+     *
+     * @param width            The width of this Gui.
+     * @param height           The height of this Gui.
+     * @param inventories             The {@link Inventory Inventories} to use as pages.
+     * @param contentListSlots The slots where content should be displayed.
+     */
+    public PagedInventoriesGuiImpl(int width, int height, @Nullable List<@NotNull Inventory> inventories, int... contentListSlots) {
+        super(width, height, false, contentListSlots);
+        setContent(inventories);
+    }
+    
+    /**
+     * Creates a new {@link PagedInventoriesGuiImpl}.
+     *
+     * @param inventories      The {@link Inventory Inventories} to use as pages.
+     * @param structure The {@link Structure} to use.
+     */
+    public PagedInventoriesGuiImpl(@Nullable List<@NotNull Inventory> inventories, @NotNull Structure structure) {
+        super(structure.getWidth(), structure.getHeight(), false, structure);
+        setContent(inventories);
+    }
+    
+    @Override
+    public int getPageAmount() {
+        return inventories.size();
+    }
+    
+    @Override
+    public void setContent(@Nullable List<@NotNull Inventory> inventories) {
+        this.inventories = inventories == null ? new ArrayList<>() : inventories;
+        update();
+    }
+    
+    @Override
+    protected List<SlotElement> getPageElements(int page) {
+        if (inventories.size() <= page) return new ArrayList<>();
+        
+        Inventory inventory = inventories.get(page);
+        int size = inventory.getSize();
+        
+        return IntStream.range(0, size)
+            .mapToObj(i -> new SlotElement.InventorySlotElement(inventory, i))
+            .collect(Collectors.toList());
+    }
+    
+    public static final class Builder extends AbstractBuilder<Inventory> {
+        
+        @Override
+        public @NotNull PagedGui<Inventory> build() {
+            if (structure == null)
+                throw new IllegalStateException("Structure is not defined.");
+            
+            var gui = new PagedInventoriesGuiImpl(content, structure);
+            applyModifiers(gui);
+            return gui;
+        }
+        
+    }
+    
+}

invui-core/src/main/java/xyz/xenondevs/invui/gui/PagedItemsGuiImpl.java

@@ -11,9 +11,10 @@ import java.util.function.BiConsumer;
 import java.util.stream.Collectors;
 
 /**
- * A {@link AbstractPagedGui} that is filled with {@link Item Items}.
+ * An {@link AbstractPagedGui} that is filled with {@link Item Items}.
  *
  * @see PagedNestedGuiImpl
+ * @see PagedInventoriesGuiImpl
  */
 final class PagedItemsGuiImpl extends AbstractPagedGui<Item> {
     

invui-core/src/main/java/xyz/xenondevs/invui/gui/PagedNestedGuiImpl.java

@@ -10,9 +10,10 @@ import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
 /**
- * A {@link AbstractPagedGui} where every page is its own {@link Gui}.
+ * An {@link AbstractPagedGui} where every page is its own {@link Gui}.
  *
  * @see PagedItemsGuiImpl
+ * @see PagedInventoriesGuiImpl
  */
 final class PagedNestedGuiImpl extends AbstractPagedGui<Gui> {