Clean up held item disabling

src/main/java/com/raoulvdberge/refinedstorage/container/ContainerBase.java

@@ -3,7 +3,6 @@ package com.raoulvdberge.refinedstorage.container;
 import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.container.slot.*;
 import com.raoulvdberge.refinedstorage.tile.TileBase;
-import com.raoulvdberge.refinedstorage.tile.grid.WirelessGrid;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.ClickType;
 import net.minecraft.inventory.Container;
@@ -37,7 +36,7 @@ public abstract class ContainerBase extends Container {
             int x = xInventory + i * 18;
             int y = yInventory + 4 + (3 * 18);
 
-            if (i == player.inventory.currentItem && (ContainerBase.this instanceof ContainerFilter || (ContainerBase.this instanceof ContainerGrid && ((ContainerGrid) ContainerBase.this).getGrid() instanceof WirelessGrid))) {
+            if (i == player.inventory.currentItem && isHeldItemDisabled()) {
                 addSlotToContainer(new SlotDisabled(player.inventory, id, x, y));
             } else {
                 addSlotToContainer(new Slot(player.inventory, id, x, y));
@@ -145,4 +144,8 @@ public abstract class ContainerBase extends Container {
     public boolean canInteractWith(EntityPlayer player) {
         return true;
     }
+
+    protected boolean isHeldItemDisabled() {
+        return false;
+    }
 }

src/main/java/com/raoulvdberge/refinedstorage/container/ContainerCraftingMonitor.java

@@ -2,6 +2,7 @@ package com.raoulvdberge.refinedstorage.container;
 
 import com.raoulvdberge.refinedstorage.tile.craftingmonitor.ICraftingMonitor;
 import com.raoulvdberge.refinedstorage.tile.craftingmonitor.TileCraftingMonitor;
+import com.raoulvdberge.refinedstorage.tile.craftingmonitor.WirelessCraftingMonitor;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraftforge.items.SlotItemHandler;
 
@@ -23,4 +24,9 @@ public class ContainerCraftingMonitor extends ContainerBase {
     public ICraftingMonitor getCraftingMonitor() {
         return craftingMonitor;
     }
+
+    @Override
+    protected boolean isHeldItemDisabled() {
+        return craftingMonitor instanceof WirelessCraftingMonitor;
+    }
 }

src/main/java/com/raoulvdberge/refinedstorage/container/ContainerFilter.java

@@ -58,4 +58,9 @@ public class ContainerFilter extends ContainerBase {
 
         return stack;
     }
+
+    @Override
+    protected boolean isHeldItemDisabled() {
+        return true;
+    }
 }

src/main/java/com/raoulvdberge/refinedstorage/container/ContainerGrid.java

@@ -9,6 +9,7 @@ import com.raoulvdberge.refinedstorage.container.slot.*;
 import com.raoulvdberge.refinedstorage.gui.grid.IGridDisplay;
 import com.raoulvdberge.refinedstorage.tile.grid.IGrid;
 import com.raoulvdberge.refinedstorage.tile.grid.TileGrid;
+import com.raoulvdberge.refinedstorage.tile.grid.WirelessGrid;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.inventory.IContainerListener;
@@ -149,4 +150,9 @@ public class ContainerGrid extends ContainerBase {
 
         return ItemStack.EMPTY;
     }
+
+    @Override
+    protected boolean isHeldItemDisabled() {
+        return grid instanceof WirelessGrid;
+    }
 }