✨ Add templates feature

Author: Alessevan

src/main/java/fr/bakaaless/api/inventory/InventoryAPI.java

@@ -451,6 +451,17 @@ public InventoryAPI setBorder(final Function<Object, ItemStack> function, final
         return this;
     }
 
+    public InventoryAPI applyTemplate(final Template template) {
+        template.getItems().forEach(item ->
+                this.addItem(item.clone())
+        );
+        return this;
+    }
+
+    public Template generateTemplate() {
+        return new Template(this.getItems());
+    }
+
     /**
      * Build and open the inventory to a player
      * @param player The player to open the inventory
@@ -562,4 +573,22 @@ public void onDrag(final InventoryDragEvent e) {
         this.items.stream().filter(item -> e.getInventorySlots().contains(item.getSlot()) || e.getRawSlots().contains(item.getSlot()))
                 .forEach(item -> e.setCancelled(e.isCancelled() || item.isCancelled()));
     }
+
+    @Override
+    public String toString() {
+        return "InventoryAPI{" +
+                "inventory=" + this.inventory +
+                ", size=" + this.size +
+                ", title='" + this.title + '\'' +
+                ", type=" + this.type +
+                ", items=" + this.items +
+                ", function=" + this.function +
+                ", closeEvent=" + this.closeEvent +
+                ", clickEvent=" + this.clickEvent +
+                ", interactionCancel=" + this.interactionCancel +
+                ", refreshed=" + this.refreshed +
+                ", build=" + this.build +
+                ", plugin=" + this.plugin +
+                '}';
+    }
 }

src/main/java/fr/bakaaless/api/inventory/ItemAPI.java

@@ -47,6 +47,23 @@ public ItemAPI(final int slot, final Function<Object, ItemStack> function, final
         this.consumer = consumer;
     }
 
+    /**
+     * @param slot The slot where will be located the item.
+     * @param item The wished ItemStack
+     * @param function A function that return an ItemStack, for the refresh task
+     * @param cancelled The boolean to enable/disable the interaction protection for this slot
+     * @param consumer A lambda expression that correspond to the executed code when item is clicked
+     */
+    private ItemAPI(final int slot, final ItemStack item, final Function<Object, ItemStack> function, final boolean cancelled, final Consumer<InventoryClickEvent> consumer) {
+        this.slot = slot;
+        this.item = item;
+        this.function = function;
+        this.item = new ItemStack(Material.AIR);
+        this.refresh(this);
+        this.cancelled = cancelled;
+        this.consumer = consumer;
+    }
+
     /**
      * Refresh this item at its slot.
      * @param o An {@link InventoryAPI} instance.
@@ -124,4 +141,19 @@ public void setCancelled(final boolean cancelled) {
     public void setConsumer(final Consumer<InventoryClickEvent> consumer) {
         this.consumer = consumer;
     }
+
+    public ItemAPI clone() {
+        return new ItemAPI(this.slot, this.item, this.function, this.cancelled, this.consumer);
+    }
+
+    @Override
+    public String toString() {
+        return "ItemAPI{" +
+                "slot=" + this.slot +
+                ", function=" + this.function +
+                ", item=" + this.item +
+                ", cancelled=" + this.cancelled +
+                ", consumer=" + this.consumer +
+                '}';
+    }
 }

src/main/java/fr/bakaaless/api/inventory/Template.java

@@ -0,0 +1,26 @@
+package fr.bakaaless.api.inventory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Template {
+
+    private final List<ItemAPI> items;
+
+    public Template(final List<ItemAPI> items) {
+        this.items = new ArrayList<>();
+        for (final ItemAPI item : items)
+            this.items.add(item.clone());
+    }
+
+    public List<ItemAPI> getItems() {
+        return this.items;
+    }
+
+    @Override
+    public String toString() {
+        return "Template{" +
+                "items=" + this.items +
+                '}';
+    }
+}