Merge pull request 'Smoll Ui Thing' (#134) from smol_ui into master

Reviewed-on: #134
Reviewed-by: Lixfel <lixfel@steamwar.de>

SchematicSystem_Core/src/de/steamwar/schematicsystem/commands/GUI.java

@@ -19,15 +19,18 @@
 
 package de.steamwar.schematicsystem.commands;
 
+import de.steamwar.core.Core;
 import de.steamwar.inventory.*;
 import de.steamwar.schematicsystem.SafeSchematicNode;
 import de.steamwar.schematicsystem.SchematicSystem;
 import de.steamwar.sql.*;
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.ClickType;
 
 import java.util.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 import static de.steamwar.schematicsystem.commands.SchematicCommandUtils.*;
 
@@ -51,12 +54,30 @@ public class GUI {
                     });
                 }
             }
+
+            @Override
+            public AnvilInvCloseAction onAnvilInvCloseAction(SchematicSelector selector) {
+                return AnvilInvCloseAction.REOPEN;
+            }
         }, node -> {});
         selector.setCallback(node -> info(player, node, selector));
         selector.setSingleDirOpen(false);
         selector.open();
     }
 
+    private static void setCloseLeftCallback(SWAnvilInv inv, Runnable action) {
+        AtomicBoolean left = new AtomicBoolean(false);
+        inv.addCloseCallback(() -> {
+            if(!left.get()) {
+                Bukkit.getScheduler().runTaskLater(SchematicSystem.getInstance(), action, 1);
+            }
+        });
+        inv.addLeftCallback(() -> {
+            left.set(true);
+            action.run();
+        });
+    }
+
     private static void info(Player player, SchematicNode node, SchematicSelector back) {
         SteamwarUser user = getUser(player);
         SWInventory inv = new SWInventory(player, 9 * 2, node.generateBreadcrumbs(user));
@@ -134,7 +155,7 @@ public class GUI {
             });
             inv.setItem(16, Material.NAME_TAG, SchematicSystem.MESSAGE.parse("GUI_INFO_RENAME", player), clickType -> {
                 SWAnvilInv anvilInv = new SWAnvilInv(player, SchematicSystem.MESSAGE.parse("GUI_INFO_RENAME_TITLE", player, node.getName()), node.getName());
-                anvilInv.setItem(mat);
+                anvilInv.setItem(mat, Collections.singletonList(Core.MESSAGE.parse("SCHEM_SELECTOR_CLICK_BACK", player)), false);
                 anvilInv.setCallback(s -> {
                     SafeSchematicNode.Result result = SafeSchematicNode.setName(user, node, s);
                     if(result.isSuccessful()) {
@@ -143,6 +164,7 @@ public class GUI {
                         result.sendError(player);
                     }
                 });
+                setCloseLeftCallback(anvilInv, () -> info(player, node, back));
                 anvilInv.open();
             });
             inv.setItem(17, SWItem.getDye(1), (byte) 1, SchematicSystem.MESSAGE.parse("GUI_INFO_DELETE", player), click -> {