Update to v1.6.0 version.

Remove AnvilGUI, as it is broken. Replaced with Spigot Conversation API.
Remove lore-config from GUI (broken).
Remove RIGHT_CLICK to complete multiple times (broken).

pom.xml

@@ -36,10 +36,9 @@
 		<powermock.version>1.7.4</powermock.version>
 		<!-- More visible way how to change dependency versions -->
 		<spigot.version>1.13.2-R0.1-SNAPSHOT</spigot.version>
-		<bentobox.version>1.6.0-SNAPSHOT</bentobox.version>
+		<bentobox.version>1.6.0</bentobox.version>
 		<level.version>1.5.0</level.version>
 		<vault.version>1.7</vault.version>
-		<anvilgui.version>1.2.2-SNAPSHOT</anvilgui.version>
 		<!-- Revision variable removes warning about dynamic version -->
 		<revision>${build.version}-SNAPSHOT</revision>
 		<!-- This allows to change between versions and snapshots. -->
@@ -115,10 +114,6 @@
 			<id>jitpack.io</id>
 			<url>https://jitpack.io</url>
 		</repository>
-		<repository>
-			<id>wesjd-repo</id>
-			<url>https://nexus.wesjd.net/repository/thirdparty/</url>
-		</repository>
 	</repositories>
 
 	<dependencies>
@@ -170,11 +165,6 @@
 			<version>${vault.version}</version>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>net.wesjd</groupId>
-			<artifactId>anvilgui</artifactId>
-			<version>${anvilgui.version}</version>
-		</dependency>
 	</dependencies>
 
 	<build>

src/main/java/world/bentobox/challenges/panel/CommonGUI.java

@@ -5,9 +5,11 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.function.Consumer;
 
 import org.bukkit.Material;
 import org.bukkit.World;
+import org.bukkit.conversations.*;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
@@ -21,7 +23,12 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.inventory.meta.SpawnEggMeta;
 import org.bukkit.inventory.meta.TropicalFishBucketMeta;
 import org.bukkit.potion.PotionData;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
 
+import net.md_5.bungee.api.chat.ClickEvent;
+import net.md_5.bungee.api.chat.TextComponent;
+import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
 import world.bentobox.bentobox.api.user.User;
@@ -917,5 +924,68 @@ public abstract class CommonGUI
 
         return result;
     }
+
+
+// ---------------------------------------------------------------------
+// Section: Chat Input Methods
+// ---------------------------------------------------------------------
+
+
+    /**
+     * This method will close opened gui and writes inputText in chat. After players answers on inputText in
+     * chat, message will trigger consumer and gui will reopen.
+     * @param consumer Consumer that accepts player output text.
+     * @param question Message that will be displayed in chat when player triggers conversion.
+     * @param message Message that will be set in player text field when clicked on question.
+     */
+    protected void getFriendlyName(Consumer<String> consumer, @NonNull String question, @Nullable String message)
+    {
+        final User user = this.user;
+
+        Conversation conversation =
+            new ConversationFactory(BentoBox.getInstance()).withFirstPrompt(
+                new StringPrompt()
+                {
+                    /**
+                     * @see Prompt#getPromptText(ConversationContext)
+                     */
+                    @Override
+                    public String getPromptText(ConversationContext conversationContext)
+                    {
+                        // Close input GUI.
+                        user.closeInventory();
+
+                        if (message != null)
+                        {
+                            // Create Edit Text message.
+                            TextComponent component = new TextComponent(user.getTranslation("challenges.gui.descriptions.admin.click-to-edit"));
+                            component.setClickEvent(new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, message));
+                            // Send question and message to player.
+                            user.getPlayer().spigot().sendMessage(component);
+                        }
+
+                        // There are no editable message. Just return question.
+                        return question;
+                    }
+
+
+                    /**
+                     * @see Prompt#acceptInput(ConversationContext, String)
+                     */
+                    @Override
+                    public Prompt acceptInput(ConversationContext conversationContext, String answer)
+                    {
+                        // Add answer to consumer.
+                        consumer.accept(answer);
+                        // End conversation
+                        return Prompt.END_OF_CONVERSATION;
+                    }
+                }).
+                withLocalEcho(false).
+                withPrefix(context -> user.getTranslation("challenges.gui.questions.prefix")).
+                buildConversation(user.getPlayer());
+
+        conversation.begin();
+    }
 }
 

src/main/java/world/bentobox/challenges/panel/admin/AdminGUI.java

@@ -3,13 +3,19 @@ package world.bentobox.challenges.panel.admin;
 
 import org.bukkit.Material;
 import org.bukkit.World;
+import org.bukkit.conversations.*;
 import org.bukkit.inventory.ItemStack;
+import org.eclipse.jdt.annotation.NonNull;
 
-import net.wesjd.anvilgui.AnvilGUI;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
 import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
 import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.util.Util;
 import world.bentobox.challenges.ChallengesAddon;
 import world.bentobox.challenges.panel.CommonGUI;
 import world.bentobox.challenges.panel.util.ConfirmationGUI;
@@ -208,14 +214,10 @@ public class AdminGUI extends CommonGUI
             description = this.user.getTranslation("challenges.gui.descriptions.admin.create-challenge");
             icon = new ItemStack(Material.BOOK);
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
-                        this.user.getPlayer(),
-                        "unique_id",
-                        (player, reply) -> {
-                            String newName = Utils.getGameMode(this.world) + "_" + reply;
 
-                            if (!this.addon.getChallengesManager().containsChallenge(newName))
+                this.getNewUniqueID(challenge -> {
-                            {
+                        String newName = Utils.getGameMode(this.world) + "_" + challenge;
+
                         new EditChallengeGUI(this.addon,
                             this.world,
                             this.user,
@@ -223,14 +225,13 @@ public class AdminGUI extends CommonGUI
                             this.topLabel,
                             this.permissionPrefix,
                             this).build();
-                            }
+                    },
-                            else
+                    input -> {
-                            {
+                        String newName = Utils.getGameMode(this.world) + "_" + input;
-                                this.user.sendMessage("challenges.errors.unique-id", "[id]", reply);
+                        return !this.addon.getChallengesManager().containsChallenge(newName);
-                            }
+                    },
-
+                    this.user.getTranslation("challenges.question.admin.unique-id")
-                            return reply;
+                );
-                        });
 
                 return true;
             };
@@ -244,14 +245,10 @@ public class AdminGUI extends CommonGUI
             description = this.user.getTranslation("challenges.gui.descriptions.admin.create-level");
             icon = new ItemStack(Material.BOOK);
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
-                        this.user.getPlayer(),
-                        "unique_id",
-                        (player, reply) -> {
-                            String newName = Utils.getGameMode(this.world) + "_" + reply;
 
-                            if (!this.addon.getChallengesManager().containsLevel(newName))
+                this.getNewUniqueID(level -> {
-                            {
+                        String newName = Utils.getGameMode(this.world) + "_" + level;
+
                         new EditLevelGUI(this.addon,
                             this.world,
                             this.user,
@@ -259,14 +256,13 @@ public class AdminGUI extends CommonGUI
                             this.topLabel,
                             this.permissionPrefix,
                             this).build();
-                            }
+                    },
-                            else
+                    input -> {
-                            {
+                        String newName = Utils.getGameMode(this.world) + "_" + input;
-                                this.user.sendMessage("challenges.errors.unique-id", "[id]", reply);
+                        return !this.addon.getChallengesManager().containsLevel(newName);
-                            }
+                    },
-
+                    this.user.getTranslation("challenges.question.admin.unique-id")
-                            return reply;
+                );
-                        });
 
                 return true;
             };
@@ -496,4 +492,111 @@ public class AdminGUI extends CommonGUI
                 clickHandler(clickHandler).
                 build();
     }
+    
+
+// ---------------------------------------------------------------------
+// Section: Conversation
+// ---------------------------------------------------------------------
+
+
+    /**
+     * This method will close opened gui and writes inputText in chat. After players answers on
+     * inputText in chat, message will trigger consumer and gui will reopen.
+     * @param consumer Consumer that accepts player output text.
+     * @param question Message that will be displayed in chat when player triggers conversion.
+     */
+    private void getNewUniqueID(Consumer<String> consumer,
+        Function<String, Boolean> stringValidation,
+        @NonNull String question)
+    {
+        final User user = this.user;
+
+        Conversation conversation =
+            new ConversationFactory(BentoBox.getInstance()).withFirstPrompt(
+                new ValidatingPrompt()
+                {
+
+                    /**
+                     * Gets the text to display to the user when
+                     * this prompt is first presented.
+                     *
+                     * @param context Context information about the
+                     * conversation.
+                     * @return The text to display.
+                     */
+                    @Override
+                    public String getPromptText(ConversationContext context)
+                    {
+                        // Close input GUI.
+                        user.closeInventory();
+
+                        // There are no editable message. Just return question.
+                        return question;
+                    }
+
+
+                    /**
+                     * Override this method to check the validity of
+                     * the player's input.
+                     *
+                     * @param context Context information about the
+                     * conversation.
+                     * @param input The player's raw console input.
+                     * @return True or false depending on the
+                     * validity of the input.
+                     */
+                    @Override
+                    protected boolean isInputValid(ConversationContext context, String input)
+                    {
+                        return stringValidation.apply(input);
+                    }
+
+
+                    /**
+                     * Optionally override this method to
+                     * display an additional message if the
+                     * user enters an invalid input.
+                     *
+                     * @param context Context information
+                     * about the conversation.
+                     * @param invalidInput The invalid input
+                     * provided by the user.
+                     * @return A message explaining how to
+                     * correct the input.
+                     */
+                    @Override
+                    protected String getFailedValidationText(ConversationContext context,
+                        String invalidInput)
+                    {
+                        return user.getTranslation("challenges.errors.unique-id", "[id]", invalidInput);
+                    }
+
+
+                    /**
+                     * Override this method to accept and processes
+                     * the validated input from the user. Using the
+                     * input, the next Prompt in the prompt graph
+                     * should be returned.
+                     *
+                     * @param context Context information about the
+                     * conversation.
+                     * @param input The validated input text from
+                     * the user.
+                     * @return The next Prompt in the prompt graph.
+                     */
+                    @Override
+                    protected Prompt acceptValidatedInput(ConversationContext context, String input)
+                    {
+                        // Add answer to consumer.
+                        consumer.accept(input);
+                        // End conversation
+                        return Prompt.END_OF_CONVERSATION;
+                    }
+                }).
+                withLocalEcho(false).
+                withPrefix(context -> user.getTranslation("challenges.gui.questions.prefix")).
+                buildConversation(user.getPlayer());
+
+        conversation.begin();
+    }
 }

src/main/java/world/bentobox/challenges/panel/admin/EditChallengeGUI.java

@@ -8,7 +8,6 @@ import org.bukkit.inventory.ItemStack;
 import java.util.*;
 import java.util.stream.Collectors;
 
-import net.wesjd.anvilgui.AnvilGUI;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
 import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
@@ -16,10 +15,7 @@ import world.bentobox.bentobox.api.user.User;
 import world.bentobox.challenges.ChallengesAddon;
 import world.bentobox.challenges.database.object.Challenge;
 import world.bentobox.challenges.panel.CommonGUI;
-import world.bentobox.challenges.panel.util.ItemSwitchGUI;
+import world.bentobox.challenges.panel.util.*;
-import world.bentobox.challenges.panel.util.NumberGUI;
-import world.bentobox.challenges.panel.util.SelectEnvironmentGUI;
-import world.bentobox.challenges.panel.util.StringListGUI;
 import world.bentobox.challenges.utils.GuiUtils;
 import world.bentobox.challenges.utils.Utils;
 
@@ -406,23 +402,15 @@ public class EditChallengeGUI extends CommonGUI
                     "challenges.gui.descriptions.admin.icon-challenge"));
             icon = this.challenge.getIcon();
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
-                        this.user.getPlayer(),
-                        this.challenge.getIcon().getType().name(),
-                        (player, reply) -> {
-                            Material material = Material.getMaterial(reply);
 
-                            if (material != null)
+                new SelectBlocksGUI(this.user, true, (status, materials) -> {
+                    if (status)
                     {
-                                this.challenge.setIcon(new ItemStack(material));
+                        materials.forEach(material ->
+                            this.challenge.setIcon(new ItemStack(material)));
+                    }
+
                     this.build();
-                            }
-                            else
-                            {
-                                this.user.sendMessage("challenges.errors.wrong-icon", "[value]", reply);
-                            }
-
-                            return reply;
                 });
 
                 return true;
@@ -543,14 +531,14 @@ public class EditChallengeGUI extends CommonGUI
 
             icon = new ItemStack(Material.DROPPER);
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
+
-                        this.user.getPlayer(),
+                this.getFriendlyName(reply -> {
-                        this.challenge.getFriendlyName(),
-                        (player, reply) -> {
                         this.challenge.setFriendlyName(reply);
                         this.build();
-                            return reply;
+                    },
-                        });
+                    this.user.getTranslation("challenges.gui.questions.admin.challenge-name"),
+                    this.challenge.getFriendlyName()
+                );
 
                 return true;
             };

src/main/java/world/bentobox/challenges/panel/admin/EditLevelGUI.java

@@ -13,7 +13,6 @@ import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.inventory.ItemStack;
 
-import net.wesjd.anvilgui.AnvilGUI;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
 import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
@@ -23,10 +22,7 @@ import world.bentobox.challenges.ChallengesManager;
 import world.bentobox.challenges.database.object.Challenge;
 import world.bentobox.challenges.database.object.ChallengeLevel;
 import world.bentobox.challenges.panel.CommonGUI;
-import world.bentobox.challenges.panel.util.ItemSwitchGUI;
+import world.bentobox.challenges.panel.util.*;
-import world.bentobox.challenges.panel.util.NumberGUI;
-import world.bentobox.challenges.panel.util.SelectChallengeGUI;
-import world.bentobox.challenges.panel.util.StringListGUI;
 import world.bentobox.challenges.utils.GuiUtils;
 import world.bentobox.challenges.utils.Utils;
 
@@ -337,14 +333,14 @@ public class EditLevelGUI extends CommonGUI
                     "[value]", this.challengeLevel.getFriendlyName()));
             icon = new ItemStack(Material.DROPPER);
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
+
-                        this.user.getPlayer(),
+                this.getFriendlyName(reply -> {
-                        this.challengeLevel.getFriendlyName(),
-                        (player, reply) -> {
                     this.challengeLevel.setFriendlyName(reply);
                     this.build();
-                            return reply;
+                    },
-                        });
+                    this.user.getTranslation("challenges.gui.questions.admin.level-name"),
+                    this.challengeLevel.getFriendlyName()
+                );
 
                 return true;
             };
@@ -358,23 +354,15 @@ public class EditLevelGUI extends CommonGUI
                     "challenges.gui.descriptions.admin.icon-level"));
             icon = this.challengeLevel.getIcon();
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
-                        this.user.getPlayer(),
-                        this.challengeLevel.getIcon().getType().name(),
-                        (player, reply) -> {
-                            Material material = Material.getMaterial(reply);
 
-                            if (material != null)
+                new SelectBlocksGUI(this.user, true, (status, materials) -> {
+                    if (status)
                     {
-                                this.challengeLevel.setIcon(new ItemStack(material));
+                        materials.forEach(material ->
+                            this.challengeLevel.setIcon(new ItemStack(material)));
+                    }
+
                     this.build();
-                            }
-                            else
-                            {
-                                this.user.sendMessage("challenges.errors.wrong-icon", "[value]", reply);
-                            }
-
-                            return reply;
                 });
 
                 return true;
@@ -400,30 +388,14 @@ public class EditLevelGUI extends CommonGUI
             }
 
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
+                new SelectBlocksGUI(this.user, true, (status, materials) -> {
-                        this.user.getPlayer(),
+                    if (status)
-                        isNull ? "NULL" : icon.getType().name(),
-                                (player, reply) -> {
-                                    if (reply.equals("NULL"))
                     {
-                                        this.challengeLevel.setLockedIcon(null);
+                        materials.forEach(material ->
+                            this.challengeLevel.setLockedIcon(new ItemStack(material)));
+                    }
+
                     this.build();
-                                        return reply;
-                                    }
-
-                                    Material material = Material.getMaterial(reply);
-
-                                    if (material != null)
-                                    {
-                                        this.challengeLevel.setLockedIcon(new ItemStack(material));
-                                        this.build();
-                                    }
-                                    else
-                                    {
-                                        this.user.sendMessage("challenges.errors.wrong-icon", "[value]", reply);
-                                    }
-
-                                    return reply;
                 });
 
                 return true;

src/main/java/world/bentobox/challenges/panel/admin/EditSettingsGUI.java

@@ -8,7 +8,6 @@ import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.inventory.ItemStack;
 
-import net.wesjd.anvilgui.AnvilGUI;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
 import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
@@ -17,6 +16,7 @@ import world.bentobox.challenges.ChallengesAddon;
 import world.bentobox.challenges.Settings;
 import world.bentobox.challenges.panel.CommonGUI;
 import world.bentobox.challenges.panel.util.NumberGUI;
+import world.bentobox.challenges.panel.util.SelectBlocksGUI;
 import world.bentobox.challenges.utils.GuiUtils;
 
 
@@ -240,14 +240,16 @@ public class EditSettingsGUI extends CommonGUI
             name = this.user.getTranslation("challenges.gui.buttons.admin.level-lore");
             icon = new ItemStack(Material.MAP);
             clickHandler = (panel, user1, clickType, i) -> {
-                new AnvilGUI(this.addon.getPlugin(),
+
-                        this.user.getPlayer(),
+                // TODO: AnvilGUI is out. Need to implement better GUI for editing this.
-                        this.settings.getLevelLoreMessage(),
+//                new AnvilGUI(this.addon.getPlugin(),
-                        (player, reply) -> {
+//                        this.user.getPlayer(),
-                            this.settings.setLevelLoreMessage(reply);
+//                        this.settings.getLevelLoreMessage(),
-                            panel.getInventory().setItem(i, this.getSettingsButton(button).getItem());
+//                        (player, reply) -> {
-                            return reply;
+//                            this.settings.setLevelLoreMessage(reply);
-                        });
+//                            panel.getInventory().setItem(i, this.getSettingsButton(button).getItem());
+//                            return reply;
+//                        });
 
                 return true;
             };
@@ -263,14 +265,16 @@ public class EditSettingsGUI extends CommonGUI
             name = this.user.getTranslation("challenges.gui.buttons.admin.challenge-lore");
             icon = new ItemStack(Material.PAPER);
             clickHandler = (panel, user1, clickType, i) -> {
-                new AnvilGUI(this.addon.getPlugin(),
+                // TODO: AnvilGUI is out. Need to implement better GUI for editing this.
-                        this.user.getPlayer(),
+
-                        this.settings.getChallengeLoreMessage(),
+//                new AnvilGUI(this.addon.getPlugin(),
-                        (player, reply) -> {
+//                        this.user.getPlayer(),
-                            this.settings.setChallengeLoreMessage(reply);
+//                        this.settings.getChallengeLoreMessage(),
-                            panel.getInventory().setItem(i, this.getSettingsButton(button).getItem());
+//                        (player, reply) -> {
-                            return reply;
+//                            this.settings.setChallengeLoreMessage(reply);
-                        });
+//                            panel.getInventory().setItem(i, this.getSettingsButton(button).getItem());
+//                            return reply;
+//                        });
 
                 return true;
             };
@@ -441,23 +445,15 @@ public class EditSettingsGUI extends CommonGUI
             name = this.user.getTranslation("challenges.gui.buttons.admin.default-locked-icon");
             icon = this.settings.getLockedLevelIcon();
             clickHandler = (panel, user, clickType, slot) -> {
-                new AnvilGUI(this.addon.getPlugin(),
-                        this.user.getPlayer(),
-                        this.settings.getLockedLevelIcon().getType().name(),
-                        (player, reply) -> {
-                            Material material = Material.getMaterial(reply);
 
-                            if (material != null)
+                new SelectBlocksGUI(this.user, true, (status, materials) -> {
+                    if (status)
                     {
-                                this.settings.setLockedLevelIcon(new ItemStack(material));
+                        materials.forEach(material ->
+                            this.settings.setLockedLevelIcon(new ItemStack(material)));
+                    }
+
                     this.build();
-                            }
-                            else
-                            {
-                                this.user.sendMessage("challenges.errors.wrong-icon", "[value]", reply);
-                            }
-
-                            return reply;
                 });
 
                 return true;

src/main/java/world/bentobox/challenges/panel/user/ChallengesGUI.java

@@ -2,12 +2,10 @@ package world.bentobox.challenges.panel.user;
 
 
 import org.bukkit.ChatColor;
-import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.inventory.ItemStack;
 import java.util.List;
 
-import net.wesjd.anvilgui.AnvilGUI;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
 import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
@@ -360,34 +358,35 @@ public class ChallengesGUI extends CommonGUI
 
 				// Add ability to input how many repeats player should do.
 				// Do not open if challenge is not repeatable.
-				if (clickType.isRightClick() && challenge.isRepeatable())
+				// TODO: AnvilGUI is removed. Need to use different input mode.
-				{
+//				if (clickType.isRightClick() && challenge.isRepeatable())
-					new AnvilGUI(this.addon.getPlugin(),
+//				{
-						this.user.getPlayer(),
+//					new AnvilGUI(this.addon.getPlugin(),
-						"1",
+//						this.user.getPlayer(),
-						(player, reply) -> {
+//						"1",
-							try
+//						(player, reply) -> {
-							{
+//							try
-								if (TryToComplete.complete(this.addon,
+//							{
-									this.user,
+//								if (TryToComplete.complete(this.addon,
-									challenge,
+//									this.user,
-									this.world,
+//									challenge,
-									this.topLabel,
+//									this.world,
-									this.permissionPrefix,
+//									this.topLabel,
-									Integer.parseInt(reply)))
+//									this.permissionPrefix,
-								{
+//									Integer.parseInt(reply)))
-									panel.getInventory().setItem(slot, this.getChallengeButton(challenge).getItem());
+//								{
-								}
+//									panel.getInventory().setItem(slot, this.getChallengeButton(challenge).getItem());
-							}
+//								}
-							catch (Exception e)
+//							}
-							{
+//							catch (Exception e)
-								this.user.sendMessage("challenges.errors.not-a-integer", "[value]", reply);
+//							{
-							}
+//								this.user.sendMessage("challenges.errors.not-a-integer", "[value]", reply);
-
+//							}
-							return reply;
+//
-						});
+//							return reply;
-				}
+//						});
-				else
+//				}
+//				else
 				{
 					if (TryToComplete.complete(this.addon,
 						this.user,

src/main/java/world/bentobox/challenges/panel/util/NumberGUI.java

@@ -2,11 +2,12 @@ package world.bentobox.challenges.panel.util;
 
 
 import org.bukkit.Material;
+import org.bukkit.conversations.*;
 import org.bukkit.inventory.ItemStack;
-import java.util.Collections;
+import org.eclipse.jdt.annotation.NonNull;
 import java.util.function.BiConsumer;
+import java.util.function.Consumer;
 
-import net.wesjd.anvilgui.AnvilGUI;
 import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
@@ -140,34 +141,12 @@ public class NumberGUI
 				description = this.user.getTranslation("challenges.gui.descriptions.admin.input");
 				icon = new ItemStack(Material.ANVIL);
 				clickHandler = (panel, user, clickType, slot) -> {
-					new AnvilGUI(BentoBox.getInstance(),
-						this.user.getPlayer(),
-						Integer.toString(this.value),
-						(player, reply) -> {
-							try
-							{
-								this.value = Integer.parseInt(reply);
 
-								if (this.value > this.maxValue || this.value < this.minValue)
+					this.getNumberInput(number -> {
-								{
+						this.value = number.intValue();
-									this.user.sendMessage("challenges.errors.not-valid-integer",
-										"[value]", reply,
-										"[min]", Integer.toString(this.minValue),
-										"[max]", Integer.toString(this.maxValue));
-								}
-								else
-								{
 						this.build();
-								}
+						},
-							}
+						this.user.getTranslation("challenges.gui.questions.admin.number"));
-							catch (Exception e)
-							{
-								reply = Integer.toString(this.value);
-								this.user.sendMessage("challenges.errors.not-a-integer", "[value]", reply);
-							}
-
-							return reply;
-						});
 
 					return true;
 				};
@@ -368,6 +347,120 @@ public class NumberGUI
 	}
 
 
+// ---------------------------------------------------------------------
+// Section: Conversation
+// ---------------------------------------------------------------------
+
+
+	/**
+	 * This method will close opened gui and writes inputText in chat. After players answers on
+	 * inputText in chat, message will trigger consumer and gui will reopen.
+	 * @param consumer Consumer that accepts player output text.
+	 * @param question Message that will be displayed in chat when player triggers conversion.
+	 */
+	private void getNumberInput(Consumer<Number> consumer, @NonNull String question)
+	{
+		final User user = this.user;
+
+		Conversation conversation =
+			new ConversationFactory(BentoBox.getInstance()).withFirstPrompt(
+				new NumericPrompt()
+				{
+					/**
+					 * Override this method to perform some action
+					 * with the user's integer response.
+					 *
+					 * @param context Context information about the
+					 * conversation.
+					 * @param input The user's response as a {@link
+					 * Number}.
+					 * @return The next {@link Prompt} in the prompt
+					 * graph.
+					 */
+					@Override
+					protected Prompt acceptValidatedInput(ConversationContext context, Number input)
+					{
+						// Add answer to consumer.
+						consumer.accept(input);
+						// Reopen GUI
+						NumberGUI.this.build();
+						// End conversation
+						return Prompt.END_OF_CONVERSATION;
+					}
+
+
+					/**
+					 * Override this method to do further validation on the numeric player
+					 * input after the input has been determined to actually be a number.
+					 *
+					 * @param context Context information about the conversation.
+					 * @param input The number the player provided.
+					 * @return The validity of the player's input.
+					 */
+					protected boolean isNumberValid(ConversationContext context, Number input)
+					{
+						return input.intValue() >= NumberGUI.this.minValue &&
+							input.intValue() <= NumberGUI.this.maxValue;
+					}
+
+
+					/**
+					 * Optionally override this method to display an additional message if the
+					 * user enters an invalid number.
+					 *
+					 * @param context Context information about the conversation.
+					 * @param invalidInput The invalid input provided by the user.
+					 * @return A message explaining how to correct the input.
+					 */
+					@Override
+					protected String getInputNotNumericText(ConversationContext context,
+						String invalidInput)
+					{
+						return NumberGUI.this.user.getTranslation("challenges.errors.not-a-integer", "[value]", invalidInput);
+					}
+
+
+					/**
+					 * Optionally override this method to display an additional message if the
+					 * user enters an invalid numeric input.
+					 *
+					 * @param context Context information about the conversation.
+					 * @param invalidInput The invalid input provided by the user.
+					 * @return A message explaining how to correct the input.
+					 */
+					@Override
+					protected String getFailedValidationText(ConversationContext context,
+						Number invalidInput)
+					{
+						return NumberGUI.this.user.getTranslation("challenges.errors.not-valid-integer",
+							"[value]", invalidInput.toString(),
+							"[min]", Integer.toString(NumberGUI.this.minValue),
+							"[max]", Integer.toString(NumberGUI.this.maxValue));
+					}
+
+
+					/**
+					 * @see Prompt#getPromptText(ConversationContext)
+					 */
+					@Override
+					public String getPromptText(ConversationContext conversationContext)
+					{
+						// Close input GUI.
+						user.closeInventory();
+
+						// There are no editable message. Just return question.
+						return question;
+					}
+				}).
+				withLocalEcho(false).
+				withPrefix(context ->
+					NumberGUI.this.user.getTranslation("challenges.gui.questions.prefix")).
+				buildConversation(user.getPlayer());
+
+		conversation.begin();
+	}
+
+
 // ---------------------------------------------------------------------
 // Section: Enums
 // ---------------------------------------------------------------------

src/main/java/world/bentobox/challenges/panel/util/SelectBlocksGUI.java

@@ -23,14 +23,20 @@ public class SelectBlocksGUI
 {
 	public SelectBlocksGUI(User user, BiConsumer<Boolean, Set<Material>> consumer)
 	{
-		this(user, Collections.emptySet(), consumer);
+		this(user, false, new HashSet<>(), consumer);
+	}
+
+	public SelectBlocksGUI(User user, boolean singleSelect, BiConsumer<Boolean, Set<Material>> consumer)
+	{
+		this(user, singleSelect, new HashSet<>(), consumer);
 	}
 
 
-	public SelectBlocksGUI(User user, Set<Material> excludedMaterial, BiConsumer<Boolean, Set<Material>> consumer)
+	public SelectBlocksGUI(User user, boolean singleSelect, Set<Material> excludedMaterial, BiConsumer<Boolean, Set<Material>> consumer)
 	{
 		this.consumer = consumer;
 		this.user = user;
+		this.singleSelect = singleSelect;
 
 		// Current GUI cannot display air blocks. It crashes with null-pointer
 		excludedMaterial.add(Material.AIR);
@@ -185,7 +191,7 @@ public class SelectBlocksGUI
 				this.user.getTranslation("challenges.gui.descriptions.admin.selected") : "").
 			icon(itemStack).
 			clickHandler((panel, user1, clickType, slot) -> {
-				if (clickType.isRightClick())
+				if (!this.singleSelect && clickType.isRightClick())
 				{
 					if (!this.selectedMaterials.add(material))
 					{
@@ -230,4 +236,9 @@ public class SelectBlocksGUI
 	 * User who runs GUI.
 	 */
 	private User user;
+
+	/**
+	 * This indicate that return set must contain only single item.
+	 */
+	private boolean singleSelect;
 }

src/main/java/world/bentobox/challenges/panel/util/StringListGUI.java

@@ -15,7 +15,6 @@ import java.util.function.Consumer;
 
 import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.chat.TextComponent;
-import net.wesjd.anvilgui.AnvilGUI;
 import world.bentobox.bentobox.BentoBox;
 import world.bentobox.bentobox.api.panels.PanelItem;
 import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
@@ -78,8 +77,6 @@ public class StringListGUI
 		panelBuilder.item(5, this.getButton(Button.REMOVE));
 		panelBuilder.item(6, this.getButton(Button.CLEAR));
 
-		panelBuilder.item(8, this.getButton(Button.MODE));
-
 		panelBuilder.item(44, this.getButton(Button.CANCEL));
 
 		int slot = 10;
@@ -154,23 +151,8 @@ public class StringListGUI
 				icon = new ItemStack(Material.WHITE_STAINED_GLASS_PANE);
 				clickHandler = (panel, user, clickType, slot) -> {
 
-					if (this.useAnvil)
+					this.getStringInput(value -> this.value.add(value),
-					{
-						new AnvilGUI(BentoBox.getInstance(),
-							this.user.getPlayer(),
-							" ",
-							(player, reply) -> {
-								this.value.add(reply);
-								this.build();
-								return reply;
-							});
-					}
-					else
-					{
-						this.startConversion(value ->
-								this.value.add(value),
 						this.user.getTranslation("challenges.gui.descriptions.admin.add-text-line"));
-					}
 
 					return true;
 				};
@@ -201,18 +183,6 @@ public class StringListGUI
 				};
 				break;
 			}
-			case MODE:
-			{
-				name = this.user.getTranslation("challenges.gui.buttons.admin.input-mode");
-				description = Collections.singletonList(this.user.getTranslation("challenges.gui.descriptions.admin.input-mode"));
-				icon = this.useAnvil ? new ItemStack(Material.ANVIL) : new ItemStack(Material.MAP);
-				clickHandler = (panel, user, clickType, slot) -> {
-					this.useAnvil = !this.useAnvil;
-					panel.getInventory().setItem(slot, this.getButton(button).getItem());
-					return true;
-				};
-				break;
-			}
 			default:
 				return null;
 		}
@@ -239,24 +209,10 @@ public class StringListGUI
 			icon(Material.PAPER).
 			clickHandler((panel, user1, clickType, i) -> {
 
-				if (this.useAnvil)
+				this.getStringInput(
-				{
-					new AnvilGUI(BentoBox.getInstance(),
-						this.user.getPlayer(),
-						element,
-						(player, reply) -> {
-							this.value.set(stringIndex, reply);
-							this.build();
-							return reply;
-						});
-				}
-				else
-				{
-					this.startConversion(
 					value -> this.value.set(stringIndex, value),
 					this.user.getTranslation("challenges.gui.descriptions.admin.edit-text-line"),
 					element);
-				}
 
 				return true;
 			}).build();
@@ -269,9 +225,9 @@ public class StringListGUI
 	 * @param consumer Consumer that accepts player output text.
 	 * @param question Message that will be displayed in chat when player triggers conversion.
 	 */
-	private void startConversion(Consumer<String> consumer, @NonNull String question)
+	private void getStringInput(Consumer<String> consumer, @NonNull String question)
 	{
-		this.startConversion(consumer, question, null);
+		this.getStringInput(consumer, question, null);
 	}
 
 
@@ -282,7 +238,7 @@ public class StringListGUI
 	 * @param question Message that will be displayed in chat when player triggers conversion.
 	 * @param message Message that will be set in player text field when clicked on question.
 	 */
-	private void startConversion(Consumer<String> consumer, @NonNull String question, @Nullable String message)
+	private void getStringInput(Consumer<String> consumer, @NonNull String question, @Nullable String message)
 	{
 		final User user = this.user;
 
@@ -328,6 +284,7 @@ public class StringListGUI
 					}
 				}).
 				withLocalEcho(false).
+				withPrefix(context -> user.getTranslation("challenges.gui.questions.prefix")).
 				buildConversation(user.getPlayer());
 
 		conversation.begin();
@@ -349,8 +306,7 @@ public class StringListGUI
 		REMOVE,
 		CANCEL,
 		CLEAR,
-		SAVE,
+		SAVE
-		MODE
 	}
 
 
@@ -369,11 +325,6 @@ public class StringListGUI
 	 */
 	private User user;
 
-	/**
-	 * Boolean that indicate if editing should happen in anvil.
-	 */
-	private boolean useAnvil;
-
 	/**
 	 * Current value.
 	 */

src/main/resources/locales/en-US.yml

@@ -321,6 +321,16 @@ challenges:
             skull-owner: '  [owner]'
             egg-meta: '  [mob]'
             fish-meta: '  [body-color] with [pattern-color] [pattern]'
+
+        questions:
+            prefix: "&2[SERVER]: "
+
+            admin:
+                number: "Write a number in chat and press enter to accept it and press enter."
+                unique-id: "Write object unique name and press enter."
+                challenge-name: "Write in chat display name for current challenge."
+                level-name: "Write in chat display name for current level."
+
     titles:
 #       Title and subtitle my contain variable in [] that will be replaced with proper message from challenge object.
 #       [friendlyName] will be replaced with challenge friendly name.

src/main/resources/locales/es-ES.yml

@@ -283,6 +283,15 @@ challenges:
             money-reward: '&6Recompensa de dinero: $[value]'
             reward-items: '&6Artículos de recompensa:'
             reward-commands: '&6Comandos de recompensa:'
+
+        questions:
+            prefix: "&2[SERVER]: "
+
+            admin:
+                number: "Write a number in chat and press enter to accept it and press enter."
+                unique-id: "Write object unique name and press enter."
+                challenge-name: "Write in chat display name for current challenge."
+                level-name: "Write in chat display name for current level."
     messages:
         admin:
             hit-things: 'Golpea cosas para agregarlas a la lista de cosas requeridas. Haga click derecho cuando haya terminado.'

src/main/resources/locales/fr-FR.yml

@@ -295,6 +295,15 @@ challenges:
             money-reward: '&6Récompense: [value]$'
             reward-items: '&6Récompenses:'
             reward-commands: '&6Récompenses (commandes):'
+
+        questions:
+            prefix: "&2[SERVER]: "
+
+            admin:
+                number: "Write a number in chat and press enter to accept it and press enter."
+                unique-id: "Write object unique name and press enter."
+                challenge-name: "Write in chat display name for current challenge."
+                level-name: "Write in chat display name for current level."
     titles:
 #       Title and subtitle my contain variable in [] that will be replaced with proper message from challenge object.
 #       [friendlyName] will be replaced with challenge friendly name.

src/main/resources/locales/lv-LV.yml

@@ -318,6 +318,15 @@ challenges:
             skull-owner: '  [owner]'
             egg-meta: '  [mob]'
             fish-meta: '  [body-color] ar [pattern-color] [pattern]'
+
+        questions:
+            prefix: "&2[SERVERIS]: "
+
+            admin:
+                number: "Ieraksti nummuru sarakstē."
+                unique-id: "Ieraksti objekta unikālo nosaukumu sarakstē."
+                challenge-name: "Ieraksti uzdevuma nosaukumu sarakstē."
+                level-name: "Ieraksti uzdevuma līmeņa nosaukumu sarakstē."
     titles:
 #       Title and subtitle my contain variable in [] that will be replaced with proper message from challenge object.
 #       [friendlyName] will be replaced with challenge friendly name.

src/main/resources/locales/zh-CN.yml

@@ -315,6 +315,16 @@ challenges:
             skull-owner: '  [owner]'
             egg-meta: '  [mob]'
             fish-meta: '  [body-color] with [pattern-color] [pattern]'
+
+        questions:
+            prefix: "&2[SERVER]: "
+
+            admin:
+                number: "Write a number in chat and press enter to accept it and press enter."
+                unique-id: "Write object unique name and press enter."
+                challenge-name: "Write in chat display name for current challenge."
+                level-name: "Write in chat display name for current level."
+
     titles:
 #       Title and subtitle my contain variable in [] that will be replaced with proper message from challenge object.
 #       [friendlyName] will be replaced with challenge friendly name.

src/main/resources/locales/zh-TW.yml

@@ -315,6 +315,15 @@ challenges:
             skull-owner: '  [owner]'
             egg-meta: '  [mob]'
             fish-meta: '  [body-color] with [pattern-color] [pattern]'
+
+        questions:
+            prefix: "&2[SERVER]: "
+
+            admin:
+                number: "Write a number in chat and press enter to accept it and press enter."
+                unique-id: "Write object unique name and press enter."
+                challenge-name: "Write in chat display name for current challenge."
+                level-name: "Write in chat display name for current level."
     titles:
 #       Title and subtitle my contain variable in [] that will be replaced with proper message from challenge object.
 #       [friendlyName] will be replaced with challenge friendly name.