Removed the command and replaced it with an activation sequence.

Core/src/main/java/com/songoda/core/SongodaCore.java

@@ -53,7 +53,7 @@ public class SongodaCore {
     /**
      * This has been added as of Rev 6
      */
-    private final static String coreVersion = "2.4.24";
+    private final static String coreVersion = "2.4.25";
 
     /**
      * This is specific to the website api
@@ -162,8 +162,7 @@ public class SongodaCore {
     private void init() {
         shadingListener = new ShadedEventListener();
         commandManager.registerCommandDynamically(new SongodaCoreCommand())
-                .addSubCommand(new SongodaCoreDiagCommand())
+                .addSubCommand(new SongodaCoreDiagCommand());
-                .addSubCommand(new SongodaCoreShowGuiKeysCommand());
         Bukkit.getPluginManager().registerEvents(loginListener, piggybackedPlugin);
         Bukkit.getPluginManager().registerEvents(shadingListener, piggybackedPlugin);
         // we aggressively want to own this command

Core/src/main/java/com/songoda/core/gui/CustomizableGui.java

@@ -25,6 +25,7 @@ import java.util.Map;
 public class CustomizableGui extends Gui {
 
     private static boolean showGuiKeys = false;
+    private int activationCount = 0;
 
     private static final Map<String, CustomContent> loadedGuis = new HashMap<>();
     private final CustomContent customContent;
@@ -59,6 +60,7 @@ public class CustomizableGui extends Gui {
                 config.saveChanges();
             }
 
+
             if (!config.isConfigurationSection("disabled")) {
                 config.setDefault("disabled", Arrays.asList("example3", "example4", "example5"),
                         "All keys on this list will be disabled. You can add any items key here",
@@ -98,6 +100,15 @@ public class CustomizableGui extends Gui {
         } else {
             customContent = loadedGuis.get(guiKey);
         }
+        setPrivateDefaultAction(event -> {
+            if (event.clickType == ClickType.SHIFT_RIGHT)
+                activationCount ++;
+            if (activationCount >= 8 && event.player.hasPermission("songoda.admin")) {
+                showGuiKeys = !showGuiKeys;
+                activationCount = 0;
+                event.player.sendMessage("Gui keys " + (showGuiKeys ? "enabled" : "disabled") + ".");
+            }
+        });
 
         if (customContent.isButtonCustomized("__DEFAULT__"))
             blankItem = GuiUtils.getBorderItem(customContent.getCustomizedButton("__DEFAULT__").item);
@@ -511,11 +522,6 @@ public class CustomizableGui extends Gui {
         return newLore;
     }
 
-    public static boolean toggleShowGuiKeys() {
-        showGuiKeys = !showGuiKeys;
-        return showGuiKeys;
-    }
-
     private class CustomButton {
 
         private final String key;

Core/src/main/java/com/songoda/core/gui/Gui.java

@@ -59,6 +59,7 @@ public class Gui {
     protected GuiManager guiManager;
     protected boolean open = false;
     protected Clickable defaultClicker = null;
+    protected Clickable privateDefaultClicker = null;
     protected Openable opener = null;
     protected Closable closer = null;
     protected Droppable dropper = null;
@@ -279,6 +280,12 @@ public class Gui {
         return this;
     }
 
+    @NotNull
+    protected Gui setPrivateDefaultAction(@Nullable Clickable action) {
+        privateDefaultClicker = action;
+        return this;
+    }
+
     @NotNull
     public Gui setDefaultItem(@Nullable ItemStack item) {
         blankItem = item;
@@ -624,6 +631,12 @@ public class Gui {
         return this;
     }
 
+    public void reset() {
+        if (inventory != null)
+            inventory.clear();
+        setActionForRange(0, 53, null);
+    }
+
     @NotNull
     public Gui setNextPage(int cell, @NotNull ItemStack item) {
         nextPageIndex = cell;
@@ -812,6 +825,10 @@ public class Gui {
                 // this is a default action, not a triggered action
                 defaultClicker.onClick(new GuiClickEvent(manager, this, player, event, cell, true));
             }
+            if (privateDefaultClicker != null) {
+                // this is a private default action, not a triggered action
+                privateDefaultClicker.onClick(new GuiClickEvent(manager, this, player, event, cell, true));
+            }
             return false;
         }
         return true;