Added InventoryManager. New supported GUI in about 10 minutes. Yes, adding new GUIs IS fun :D

src/main/java/de/skate702/craftingkeys/CraftingKeys.java

@@ -15,6 +15,7 @@ import de.skate702.craftingkeys.config.Config;
 import de.skate702.craftingkeys.manager.ContainerManager;
 import de.skate702.craftingkeys.manager.CraftingManager;
 import de.skate702.craftingkeys.manager.FurnaceManager;
+import de.skate702.craftingkeys.manager.InventoryManager;
 import de.skate702.craftingkeys.proxies.CraftingKeysProxy;
 import de.skate702.craftingkeys.util.Logger;
 import de.skate702.craftingkeys.util.Util;
@@ -114,7 +115,9 @@ public class CraftingKeys {
 
             } else if (currentScreen instanceof GuiInventory) {
 
-                Logger.warn("onTick()", "Inventory not implemented");
+                ContainerManager con = InventoryManager.getInstance(
+                        ((GuiInventory) currentScreen).inventorySlots);
+                con.acceptKey();
 
             } else if (currentScreen instanceof GuiMerchant) {
 

src/main/java/de/skate702/craftingkeys/manager/InventoryManager.java

@@ -0,0 +1,72 @@
+package de.skate702.craftingkeys.manager;
+
+import de.skate702.craftingkeys.util.Logger;
+import net.minecraft.inventory.Container;
+
+/**
+ * Manages a Inventory GUI Inventory.
+ */
+public class InventoryManager extends ContainerManager {
+
+    private static InventoryManager instance = null;
+
+    /**
+     * Creates a new Crafting Manager with the given container.
+     *
+     * @param container The container from a crafting GUI
+     */
+    private InventoryManager(Container container) {
+        super(container);
+    }
+
+    /**
+     * Returns a Crafting Manager Instance operating on the given container
+     *
+     * @param container A container from a GUI
+     * @return manager-singleton
+     */
+    public static InventoryManager getInstance(Container container) {
+        if (instance == null) {
+            instance = new InventoryManager(container);
+        } else {
+            instance.container = container;
+        }
+        return instance;
+    }
+
+    @Override
+    protected int specificKeyToSlotIndex() {
+
+        return mapKeyToSlot(-1, 1, 2, -1, 3, 4, -1, -1, -1);
+    }
+
+    @Override
+    protected int getInventoryStartIndex() {
+        return 9;
+    }
+
+    @Override
+    protected int getInteractionSlotIndex() {
+        return 0;
+    }
+
+    @Override
+    protected int[] getDropSlots() {
+        return new int[]{1, 2, 3, 4};
+    }
+
+    @Override
+    protected void interact() {
+        clickOnCraftingOutput();
+    }
+
+    /**
+     * Sends a click on the crafting output
+     */
+    private void clickOnCraftingOutput() {
+
+        Logger.info("clickOnCraftingOutput()", "Clicked on Crafing Output.");
+        leftClick(0);
+
+    }
+}