add newest core preference, fix paged gui + list editor

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

@@ -12,6 +12,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.ArrayList;
@@ -23,6 +24,7 @@ import java.util.UUID;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
+import org.bukkit.event.HandlerList;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerLoginEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
@@ -31,6 +33,7 @@ import org.bukkit.event.server.PluginEnableEvent;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.ServicePriority;
 import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scheduler.BukkitTask;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.json.simple.parser.ParseException;
@@ -39,13 +42,18 @@ public class SongodaCore {
 
     private final static String prefix = "[SongodaCore]";
 
+    /**
+     * Whenever we make a major change to the core GUI, updater, 
+     * or other function used by the core, increment this number
+     */
+    private final static int coreRevision = 2;
     private final static int updaterVersion = 1;
 
     private final static Set<PluginInfo> registeredPlugins = new HashSet<>();
 
     private static SongodaCore INSTANCE = null;
     private JavaPlugin piggybackedPlugin;
-    private final CommandManager commandManager;
+    private CommandManager commandManager;
     private EventListener loginListener;
     private ShadedEventListener shadingListener;
 
@@ -64,13 +72,45 @@ public class SongodaCore {
             for (Class<?> clazz : Bukkit.getServicesManager().getKnownServices()) {
                 if(clazz.getSimpleName().equals("SongodaCore")) {
                     try {
-                        // use the active service
+                        // test to see if we're up to date
-                        clazz.getMethod("registerPlugin", JavaPlugin.class, int.class, String.class).invoke(null, plugin, pluginID, icon);
+                        int otherVersion = (int) clazz.getMethod("getCoreVersion").invoke(null);
+                        if(otherVersion >= getCoreVersion()) {
+                            // use the active service
+                            clazz.getMethod("registerPlugin", JavaPlugin.class, int.class, String.class).invoke(null, plugin, pluginID, icon);
 
-                        if(hasShading()) {
+                            if(hasShading()) {
-                            (INSTANCE = new SongodaCore()).piggybackedPlugin = plugin;
+                                (INSTANCE = new SongodaCore()).piggybackedPlugin = plugin;
-                            INSTANCE.shadingListener = new ShadedEventListener();
+                                INSTANCE.shadingListener = new ShadedEventListener();
-                            Bukkit.getPluginManager().registerEvents(INSTANCE.shadingListener, plugin);
+                                Bukkit.getPluginManager().registerEvents(INSTANCE.shadingListener, plugin);
+                            }
+                        } else {
+                            // we are newer than the registered service: steal all of its registrations
+                            // grab the old core's registrations
+                            List otherPlugins = (List) clazz.getMethod("getPlugins").invoke(null);
+                            // destroy the old core
+                            Object oldCore = clazz.getMethod("getInstance").invoke(null);
+                            Method destruct = clazz.getDeclaredMethod("destroy");
+                            destruct.setAccessible(true);
+                            destruct.invoke(oldCore);
+                            // register ourselves as the SongodaCore service!
+                            INSTANCE = new SongodaCore(plugin);
+                            INSTANCE.init();
+                            INSTANCE.register(plugin, pluginID, icon);
+                            Bukkit.getServicesManager().register(SongodaCore.class, INSTANCE, plugin, ServicePriority.Normal);
+                            // we need (JavaPlugin plugin, int pluginID, String icon) for our object
+                            if(!otherPlugins.isEmpty()) {
+                                Object testSubject = otherPlugins.get(0);
+                                Class otherPluginInfo = testSubject.getClass();
+                                Method otherPluginInfo_getJavaPlugin = otherPluginInfo.getMethod("getJavaPlugin");
+                                Method otherPluginInfo_getSongodaId = otherPluginInfo.getMethod("getSongodaId");
+                                Method otherPluginInfo_getCoreIcon = otherPluginInfo.getMethod("getCoreIcon");
+                                for(Object other : otherPlugins) {
+                                    INSTANCE.register(
+                                            (JavaPlugin) otherPluginInfo_getJavaPlugin.invoke(other), 
+                                            (int) otherPluginInfo_getSongodaId.invoke(other), 
+                                            (String) otherPluginInfo_getCoreIcon.invoke(other));
+                                }
+                            }
                         }
                         return;
                     } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ignored) {
@@ -80,9 +120,9 @@ public class SongodaCore {
             // register ourselves as the SongodaCore service!
             INSTANCE = new SongodaCore(plugin);
             INSTANCE.init();
+            INSTANCE.register(plugin, pluginID, icon);
             Bukkit.getServicesManager().register(SongodaCore.class, INSTANCE, plugin, ServicePriority.Normal);
         }
-        INSTANCE.register(plugin, pluginID, icon);
     }
 
     SongodaCore() {
@@ -97,17 +137,35 @@ public class SongodaCore {
 
     private void init() {
         shadingListener = new ShadedEventListener();
-        commandManager.registerCommandDynamically(new SongodaCoreCommand(this))
+        commandManager.registerCommandDynamically(new SongodaCoreCommand())
-                .addSubCommand(new SongodaCoreDiagCommand(this));
+                .addSubCommand(new SongodaCoreDiagCommand());
         Bukkit.getPluginManager().registerEvents(loginListener, piggybackedPlugin);
         Bukkit.getPluginManager().registerEvents(shadingListener, piggybackedPlugin);
         // we aggressevely want to own this command
-        Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->{CommandManager.registerCommandDynamically(piggybackedPlugin, "songoda", commandManager, commandManager);}, 10 * 60 * 1);
+        tasks.add(Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->{CommandManager.registerCommandDynamically(piggybackedPlugin, "songoda", commandManager, commandManager);}, 10 * 60 * 1));
-        Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->{CommandManager.registerCommandDynamically(piggybackedPlugin, "songoda", commandManager, commandManager);}, 20 * 60 * 1);
+        tasks.add(Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->{CommandManager.registerCommandDynamically(piggybackedPlugin, "songoda", commandManager, commandManager);}, 20 * 60 * 1));
-        Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->{CommandManager.registerCommandDynamically(piggybackedPlugin, "songoda", commandManager, commandManager);}, 20 * 60 * 2);
+        tasks.add(Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->{CommandManager.registerCommandDynamically(piggybackedPlugin, "songoda", commandManager, commandManager);}, 20 * 60 * 2));
-        Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->registerAllPlugins(), 20 * 60 * 2);
+        tasks.add(Bukkit.getScheduler().runTaskLaterAsynchronously(piggybackedPlugin, ()->registerAllPlugins(), 20 * 60 * 2));
     }
 
+    /**
+     * Used to yield this core to a newer core
+     */
+    private void destroy() {
+        Bukkit.getServicesManager().unregister(SongodaCore.class, INSTANCE);
+        tasks.stream().filter(task -> task != null && !task.isCancelled())
+                .forEach(task ->  Bukkit.getScheduler().cancelTask(task.getTaskId()));
+        HandlerList.unregisterAll(loginListener);
+        if(!hasShading()) {
+            HandlerList.unregisterAll(shadingListener);
+        }
+        registeredPlugins.clear();
+        piggybackedPlugin = null;
+        commandManager = null;
+        loginListener = null;
+    }
+    private ArrayList<BukkitTask> tasks = new ArrayList();
+
     /**
      * Register plugins that may not have been updated yet
      */
@@ -179,7 +237,7 @@ public class SongodaCore {
         // don't forget to check for language pack updates ;)
         info.addModule(new LocaleModule());
         registeredPlugins.add(info);
-        Bukkit.getScheduler().runTaskLaterAsynchronously(plugin, () -> update(info), 20L);
+        tasks.add(Bukkit.getScheduler().runTaskLaterAsynchronously(plugin, () -> update(info), 60L));
     }
 
     private void update(PluginInfo plugin) {
@@ -223,11 +281,15 @@ public class SongodaCore {
         }
     }
 
-    public List<PluginInfo> getPlugins() {
+    public static List<PluginInfo> getPlugins() {
         return new ArrayList<>(registeredPlugins);
     }
 
-    public static int getVersion() {
+    public static int getCoreVersion() {
+        return coreRevision;
+    }
+
+    public static int getUpdaterVersion() {
         return updaterVersion;
     }
 

src/main/java/com/songoda/core/SongodaPlugin.java

@@ -45,7 +45,6 @@ public abstract class SongodaPlugin extends JavaPlugin {
 
     @Override
     public ConfigFileConfigurationAdapter getConfig() {
-        System.out.println("Plugin config adapter!");
         return config.getFileConfig();
     }
 

src/main/java/com/songoda/core/configuration/Config.java

@@ -7,7 +7,6 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;

src/main/java/com/songoda/core/configuration/editor/ConfigEditorGui.java

@@ -62,7 +62,7 @@ public class ConfigEditorGui extends SimplePagedGui {
         this.setUseHeader(true);
         headerBackItem = footerBackItem = GuiUtils.getBorderItem(LegacyMaterials.GRAY_STAINED_GLASS_PANE.getItem());
         final String path = node.getCurrentPath();
-        this.setItem(4, configItem(LegacyMaterials.FILLED_MAP, !path.isEmpty() ? path : file , config, !path.isEmpty() ? path : null, null));
+        this.setItem(4, configItem(LegacyMaterials.FILLED_MAP, !path.isEmpty() ? path : file , config, !path.isEmpty() ? path : null, ChatColor.BLACK.toString()));
         this.setButton(8, GuiUtils.createButtonItem(LegacyMaterials.OAK_DOOR, "Exit"), (event) -> event.player.closeInventory());
 
         // compile list of settings
@@ -77,21 +77,20 @@ public class ConfigEditorGui extends SimplePagedGui {
         // next we need to display the config settings
         int index = 9;
         for (final String sectionKey : sections) {
-            this.setButton(index++, configItem(LegacyMaterials.WRITABLE_BOOK, ChatColor.YELLOW + sectionKey, node, sectionKey, "Click to open this section"),
+            setButton(index++, configItem(LegacyMaterials.WRITABLE_BOOK, ChatColor.YELLOW + sectionKey, node, sectionKey, "Click to open this section"),
                     (event) -> event.manager.showGUI(event.player, new ConfigEditorGui(plugin, this, file, config, node.getConfigurationSection(sectionKey))));
         }
 
-        // todo: display values of settings in gui, too
         // now display individual settings
         for (final String settingKey : settings) {
             final Object val = node.get(settingKey);
             if(val == null) continue;
-            else if(val instanceof Boolean) {
+            else if (val instanceof Boolean) {
                 // toggle switch
-                this.setButton(index, configItem(LegacyMaterials.LEVER, ChatColor.YELLOW + settingKey, node, settingKey, String.valueOf((Boolean) val), "Click to toggle this setting"),
+                setButton(index, configItem(LegacyMaterials.LEVER, ChatColor.YELLOW + settingKey, node, settingKey, String.valueOf((Boolean) val), "Click to toggle this setting"),
-                    (event) -> this.toggle(event.slot, settingKey));
+                        (event) -> this.toggle(event.slot, settingKey));
-                if((Boolean) val) {
+                if ((Boolean) val) {
-                    this.highlightItem(index);
+                    highlightItem(index);
                 }
             } else if (isNumber(val)) {
                 // number dial
@@ -108,7 +107,7 @@ public class ConfigEditorGui extends SimplePagedGui {
             } else if (isMaterial(val)) {
                 // changing a block
                 // isMaterial is more of a guess, to be honest.
-                this.setButton(index, configItem(LegacyMaterials.STONE, ChatColor.YELLOW + settingKey, node, settingKey, val.toString(), "Click to edit this setting"),
+                setButton(index, configItem(LegacyMaterials.STONE, ChatColor.YELLOW + settingKey, node, settingKey, val.toString(), "Click to edit this setting"),
                         (event) -> {
                             SimplePagedGui paged = new SimplePagedGui(this);
                             paged.setTitle(ChatColor.BLUE + settingKey);
@@ -126,7 +125,7 @@ public class ConfigEditorGui extends SimplePagedGui {
                 
             } else if (val instanceof String) {
                 // changing a "string" value (or change to a feather for writing quill)
-                this.setButton(index, configItem(LegacyMaterials.STRING, ChatColor.YELLOW + settingKey, node, settingKey, val.toString(), "Click to edit this setting"),
+                setButton(index, configItem(LegacyMaterials.STRING, ChatColor.YELLOW + settingKey, node, settingKey, val.toString(), "Click to edit this setting"),
                         (event) -> {
                             event.gui.exit();
                             ChatPrompt.showPrompt(plugin, event.player, "Enter a new value for " + settingKey + ":", response -> {
@@ -136,11 +135,11 @@ public class ConfigEditorGui extends SimplePagedGui {
                               .setOnCancel(() -> {event.player.sendMessage(ChatColor.RED + "Edit canceled"); event.manager.showGUI(event.player, this);});
                         });
             } else if (val instanceof List) {
-                this.setButton(index, configItem(LegacyMaterials.WRITABLE_BOOK, ChatColor.YELLOW + settingKey, node, settingKey, String.format("(%d values)", ((List) val).size()), "Click to edit this setting"),
+                setButton(index, configItem(LegacyMaterials.WRITABLE_BOOK, ChatColor.YELLOW + settingKey, node, settingKey, String.format("(%d values)", ((List) val).size()), "Click to edit this setting"),
                         (event) -> {
                             event.manager.showGUI(event.player, (new ConfigEditorListEditorGui(this, settingKey, (List) val)).setOnClose((gui) -> {
                                 if(((ConfigEditorListEditorGui) gui.gui).saveChanges) {
-                                    setList(event.slot, settingKey, ((ConfigEditorListEditorGui) gui.gui).value);
+                                    setList(event.slot, settingKey, ((ConfigEditorListEditorGui) gui.gui).values);
                                 }
                             }));
                         });

src/main/java/com/songoda/core/configuration/editor/ConfigEditorListEditorGui.java

@@ -6,6 +6,7 @@ import com.songoda.core.gui.SimplePagedGui;
 import com.songoda.core.input.ChatPrompt;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 import org.bukkit.ChatColor;
 import org.bukkit.event.inventory.ClickType;
 
@@ -20,9 +21,10 @@ public class ConfigEditorListEditorGui extends SimplePagedGui {
     final ConfigEditorGui current;
 
     public boolean saveChanges = false;
-    public List<String> value;
+    public List<String> values;
 
-    public ConfigEditorListEditorGui(ConfigEditorGui current, String key, List<String> value) {
+    public ConfigEditorListEditorGui(ConfigEditorGui current, String key, List<String> val) {
+        super(current);
         this.current = current;
         this.blankItem = current.getDefaultItem();
         headerBackItem = footerBackItem = current.getHeaderBackItem();
@@ -30,7 +32,7 @@ public class ConfigEditorListEditorGui extends SimplePagedGui {
         this.setUseHeader(true);
         this.setItem(4, current.configItem(LegacyMaterials.FILLED_MAP, key, current.getCurrentNode(), key, null));
         this.setButton(8, GuiUtils.createButtonItem(LegacyMaterials.OAK_DOOR, "Exit"), (event) -> event.player.closeInventory());
-        this.value = new ArrayList(value);
+        this.values = new ArrayList(val);
 
         this.setButton(8, GuiUtils.createButtonItem(LegacyMaterials.LAVA_BUCKET, ChatColor.RED + "Discard Changes"), (event) -> event.player.closeInventory());
         this.setButton(0, GuiUtils.createButtonItem(LegacyMaterials.REDSTONE, ChatColor.GREEN + "Save"), (event) -> {
@@ -39,34 +41,40 @@ public class ConfigEditorListEditorGui extends SimplePagedGui {
         });
         this.setButton(1, GuiUtils.createButtonItem(LegacyMaterials.CHEST, ChatColor.BLUE + "Add Item"), 
                 (event) -> {
+                    event.gui.exit();
                     ChatPrompt.showPrompt(event.manager.getPlugin(), event.player, "Enter a new value to add:", response -> {
-                        value.add(response.getMessage().trim());
+                        values.add(response.getMessage().trim());
                         redraw();
-                    }).setOnClose(() -> event.manager.showGUI(event.player, this))
+                    }).setOnClose(() -> {event.manager.showGUI(event.player, this); })
                       .setOnCancel(() -> {event.player.sendMessage(ChatColor.RED + "Edit canceled"); event.manager.showGUI(event.player, this);});
                 });
+
+        redraw();
     }
-    
+
     void redraw() {
         page = 1;
         // clear old display
-        for (Integer oldI : (Integer[]) cellItems.keySet().toArray()) {
+        if(inventory != null) {
-            if (oldI > 8) {
+            for(Integer i : cellItems.keySet().toArray(new Integer[0])) {
-                cellItems.remove(oldI);
+                if(i > 8) {
+                    cellItems.remove(i);
+                    conditionalButtons.remove(i);
+                }
             }
         }
+
         // update items
         int i = 9;
-        for (String item : value) {
+        for (String item : values) {
             final int index = i - 9;
             setButton(i++, GuiUtils.createButtonItem(LegacyMaterials.PAPER, item, "Right-click to remove"), ClickType.RIGHT, (event) -> {
-                value.remove(index);
+                values.remove(index);
                 redraw();
             });
         }
         // update display
-        showPage();
+        update();
-
     }
 
 }

src/main/java/com/songoda/core/core/PluginInfo.java

@@ -94,4 +94,8 @@ public final class PluginInfo {
     public int getSongodaId() {
         return songodaId;
     }
+
+    public String getCoreIcon() {
+        return coreIcon;
+    }
 }

src/main/java/com/songoda/core/core/SongodaCoreCommand.java

@@ -9,12 +9,10 @@ import org.bukkit.entity.Player;
 
 public class SongodaCoreCommand extends AbstractCommand {
 
-    final SongodaCore instance;
     protected GuiManager guiManager;
 
-    public SongodaCoreCommand(SongodaCore instance) {
+    public SongodaCoreCommand() {
         super(false, "songoda");
-        this.instance = instance;
     }
 
     @Override
@@ -23,7 +21,7 @@ public class SongodaCoreCommand extends AbstractCommand {
             if(guiManager == null || guiManager.isClosed()) {
                 guiManager = new GuiManager(SongodaCore.getHijackedPlugin());
             }
-            guiManager.showGUI((Player) sender, new SongodaCoreOverviewGUI(instance));
+            guiManager.showGUI((Player) sender, new SongodaCoreOverviewGUI());
         } else {
             sender.sendMessage("/songoda diag");
         }

src/main/java/com/songoda/core/core/SongodaCoreDiagCommand.java

@@ -15,16 +15,13 @@ import java.util.List;
 
 public class SongodaCoreDiagCommand extends AbstractCommand {
 
-    final SongodaCore instance;
-
     private final DecimalFormat format = new DecimalFormat("##.##");
 
     private Object serverInstance;
     private Field tpsField;
 
-    public SongodaCoreDiagCommand(SongodaCore instance) {
+    public SongodaCoreDiagCommand() {
         super(false, "diag");
-        this.instance = instance;
 
         try {
             serverInstance = NMSUtils.getNMSClass("MinecraftServer").getMethod("getServer").invoke(null);
@@ -42,7 +39,7 @@ public class SongodaCoreDiagCommand extends AbstractCommand {
         sender.sendMessage("Songoda Diagnostics Information");
         sender.sendMessage("");
         sender.sendMessage("Plugins:");
-        for (PluginInfo plugin : instance.getPlugins()) {
+        for (PluginInfo plugin : SongodaCore.getPlugins()) {
             sender.sendMessage(plugin.getJavaPlugin().getName()
                     + " (" + plugin.getJavaPlugin().getDescription().getVersion() + ")");
         }

src/main/java/com/songoda/core/core/SongodaCoreOverviewGUI.java

@@ -11,11 +11,8 @@ import org.bukkit.event.inventory.ClickType;
 
 final class SongodaCoreOverviewGUI extends Gui {
 
-    private final SongodaCore update;
+    protected SongodaCoreOverviewGUI() {
-
+        List<PluginInfo> plugins = SongodaCore.getPlugins();
-    protected SongodaCoreOverviewGUI(SongodaCore update) {
-        this.update = update;
-        List<PluginInfo> plugins = update.getPlugins();
         // could do pages, too, but don't think we'll have that many at a time for a while
         int max = (int) Math.ceil(plugins.size() / 9.);
         setRows(max);

src/main/java/com/songoda/core/gui/SimplePagedGui.java

@@ -140,36 +140,63 @@ public class SimplePagedGui extends Gui {
     protected Inventory generateInventory(GuiManager manager) {
         // calculate pages here
         rowsPerPage = useHeader ? 4 : 5;
-        maxCellSlot = this.cellItems.isEmpty() ? 0 : this.cellItems.keySet().stream().max(Integer::compare).get();
+        maxCellSlot = (this.cellItems.isEmpty() ? 0 : this.cellItems.keySet().stream().max(Integer::compare).get()) + 1;
         int maxRows = (int) Math.ceil(maxCellSlot / 9.);
         pages = (int) Math.ceil(maxRows / rowsPerPage);
-        page = 1;
+        this.setRows(maxRows + (useHeader ? 1 : 0));
-        this.setRows(maxRows + (useHeader ? 2 : 1));
 
         // create inventory view
         final int cells = rows * 9;
         inventory = Bukkit.getServer().createInventory(new GuiHolder(manager, this), cells,
                 title == null ? "" : trimTitle(ChatColor.translateAlternateColorCodes('&', title)));
 
-        // populate initial inventory
+        // populate and return the display inventory
+        page = 1;
+        update();
+        return inventory;
+    }
+
+    @Override
+    public void update() {
+        if (inventory == null) {
+            return;
+        }
+
+        // calculate pages here
+        rowsPerPage = useHeader ? 4 : 5;
+        maxCellSlot = (this.cellItems.isEmpty() ? 0 : this.cellItems.keySet().stream().max(Integer::compare).get()) + 1;
+        int maxRows = Math.max((useHeader ? 1 : 0), (int) Math.ceil(maxCellSlot / 9.));
+        pages = (int) Math.ceil(maxRows / rowsPerPage);
+
+        // create a new inventory if needed
+        final int cells = rows * 9;
+        boolean isNew = false;
+        if (cells != inventory.getSize()) {
+            this.setRows(maxRows + (useHeader ? 2 : 1));
+            inventory = Bukkit.getServer().createInventory(inventory.getHolder(), cells,
+                    title == null ? "" : trimTitle(ChatColor.translateAlternateColorCodes('&', title)));
+            isNew = true;
+        }
+
+        // populate header
         if (useHeader) {
             for (int i = 0; i < 9; ++i) {
                 final ItemStack item = cellItems.get(i);
                 inventory.setItem(i, item != null ? item : (headerBackItem != null ? headerBackItem : blankItem));
             }
         }
-        for (int i = useHeader ? 9 : 0; i < cells - 9; ++i) {
-            final ItemStack item = cellItems.get(i);
-            inventory.setItem(i, item != null ? item : blankItem);
-        }
-
         // last row is dedicated to pagation
         for (int i = cells - 9; i < cells; ++i) {
             inventory.setItem(i, footerBackItem != null ? footerBackItem : blankItem);
         }
-        updatePageNavigation();
+        // fill out the rest of the page
+        showPage();
 
-        return inventory;
+        if(isNew) {
+            // whoopsie!
+            exit();
+            getPlayers().forEach(player -> ((GuiHolder) inventory.getHolder()).manager.showGUI(player, this));
+        }
     }
 
     @Override

src/main/java/com/songoda/core/input/ChatPrompt.java

@@ -74,6 +74,7 @@ public class ChatPrompt implements Listener {
 
                 ChatConfirmEvent chatConfirmEvent = new ChatConfirmEvent(player, event.getMessage());
 
+                player.sendMessage("\u00BB " + event.getMessage());
                 try {
                     handler.onChat(chatConfirmEvent);
                 } catch (Throwable t) {