Create GUI that could edit challenges levels.

src/main/java/world/bentobox/challenges/ChallengesManager.java

@@ -1,17 +1,5 @@
 package world.bentobox.challenges;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Optional;
-import java.util.Set;
-import java.util.UUID;
-import java.util.stream.Collectors;
 
 import org.apache.commons.lang.WordUtils;
 import org.bukkit.ChatColor;
@@ -19,17 +7,20 @@ import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
+import java.util.*;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
 
+import world.bentobox.bentobox.api.configuration.Config;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.database.Database;
+import world.bentobox.bentobox.util.Util;
 import world.bentobox.challenges.commands.admin.SurroundChallengeBuilder;
 import world.bentobox.challenges.database.object.ChallengeLevels;
 import world.bentobox.challenges.database.object.Challenges;
 import world.bentobox.challenges.database.object.Challenges.ChallengeType;
 import world.bentobox.challenges.database.object.ChallengesPlayerData;
 import world.bentobox.challenges.panel.ChallengesPanels;
-import world.bentobox.bentobox.api.configuration.Config;
-import world.bentobox.bentobox.api.user.User;
-import world.bentobox.bentobox.database.Database;
-import world.bentobox.bentobox.util.Util;
 
 public class ChallengesManager {
 
@@ -514,4 +505,14 @@ public class ChallengesManager {
     }
 
 
+    public Challenges createChallenge()
+    {
+        return new Challenges();
+    }
+
+
+    public List<Challenges> getChallenges(ChallengeLevels challengeLevel)
+    {
+        return new ArrayList<>(this.challengeMap.get(challengeLevel));
+    }
 }

src/main/java/world/bentobox/challenges/database/object/ChallengeLevels.java

@@ -1,13 +1,13 @@
 package world.bentobox.challenges.database.object;
 
+
+import org.bukkit.inventory.ItemStack;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.bukkit.inventory.ItemStack;
-
-import world.bentobox.challenges.ChallengesManager;
 import world.bentobox.bentobox.api.configuration.ConfigComment;
 import world.bentobox.bentobox.database.objects.DataObject;
+import world.bentobox.challenges.ChallengesManager;
 
 /**
  * Represent a challenge level
@@ -221,5 +221,10 @@ public class ChallengeLevels implements DataObject, Comparable<ChallengeLevels>
         }
         return true;
     }
-    
+
+
+    public ItemStack getIcon()
+    {
+        return null;
+    }
 }

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

@@ -0,0 +1,532 @@
+package world.bentobox.challenges.panel.admin;
+
+
+import org.bukkit.Material;
+import org.bukkit.World;
+import org.bukkit.inventory.ItemStack;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+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.challenges.ChallengesAddon;
+import world.bentobox.challenges.database.object.ChallengeLevels;
+import world.bentobox.challenges.database.object.Challenges;
+import world.bentobox.challenges.panel.CommonGUI;
+
+
+/**
+ * This class contains all necessary elements to create Levels Edit GUI.
+ */
+public class LevelsEditGUI extends CommonGUI
+{
+// ---------------------------------------------------------------------
+// Section: Constructors
+// ---------------------------------------------------------------------
+
+
+	/**
+	 * {@inheritDoc}
+	 * @param challengeLevel ChallengeLevel that must be edited.
+	 */
+	public LevelsEditGUI(ChallengesAddon addon,
+		World world,
+		User user,
+		ChallengeLevels challengeLevel,
+		String topLabel,
+		String permissionPrefix)
+	{
+		this(addon, world, user, challengeLevel, topLabel, permissionPrefix, null);
+	}
+
+
+	/**
+	 * {@inheritDoc}
+	 * @param challengeLevel ChallengeLevel that must be edited.
+	 */
+	public LevelsEditGUI(ChallengesAddon addon,
+		World world,
+		User user,
+		ChallengeLevels challengeLevel,
+		String topLabel,
+		String permissionPrefix,
+		CommonGUI parentGUI)
+	{
+		super(addon, world, user, topLabel, permissionPrefix, parentGUI);
+		this.challengeLevel = challengeLevel;
+		this.currentMenuType = MenuType.PROPERTIES;
+	}
+
+
+// ---------------------------------------------------------------------
+// Section: Methods
+// ---------------------------------------------------------------------
+
+
+	/**
+	 * This method builds all necessary elements in GUI panel.
+	 */
+	@Override
+	public void build()
+	{
+		PanelBuilder panelBuilder = new PanelBuilder().name(
+			this.user.getTranslation("challenges.gui.admin.edit-level-title"));
+
+		panelBuilder.item(2, this.createMenuButton(MenuType.PROPERTIES));
+		panelBuilder.item(4, this.createMenuButton(MenuType.REWARDS));
+		panelBuilder.item(6, this.createMenuButton(MenuType.CHALLENGES));
+
+		if (this.currentMenuType.equals(MenuType.PROPERTIES))
+		{
+			this.buildMainPropertiesPanel(panelBuilder);
+		}
+		else if (this.currentMenuType.equals(MenuType.CHALLENGES))
+		{
+			this.buildChallengesPanel(panelBuilder);
+		}
+		else if (this.currentMenuType.equals(MenuType.REWARDS))
+		{
+			this.buildRewardsPanel(panelBuilder);
+		}
+
+		panelBuilder.item(53, this.returnButton);
+
+		panelBuilder.build();
+	}
+
+
+	/**
+	 * This class populate LevelsEditGUI with main level settings.
+	 * @param panelBuilder PanelBuilder where icons must be added.
+	 */
+	private void buildMainPropertiesPanel(PanelBuilder panelBuilder)
+	{
+		panelBuilder.item(10, this.createButton(Button.NAME));
+
+		panelBuilder.item(19, this.createButton(Button.ICON));
+		panelBuilder.item(22, this.createButton(Button.UNLOCK_MESSAGE));
+		panelBuilder.item(25, this.createButton(Button.ORDER));
+
+		panelBuilder.item(31, this.createButton(Button.WAIVER_AMOUNT));
+	}
+
+
+	/**
+	 * This class populate LevelsEditGUI with level rewards.
+	 * @param panelBuilder PanelBuilder where icons must be added.
+	 */
+	private void buildRewardsPanel(PanelBuilder panelBuilder)
+	{
+		panelBuilder.item(11, this.createButton(Button.REWARD_DESCRIPTION));
+		panelBuilder.item(20, this.createButton(Button.REWARD_ITEM));
+		panelBuilder.item(29, this.createButton(Button.REWARD_EXPERIENCE));
+		panelBuilder.item(38, this.createButton(Button.REWARD_MONEY));
+		panelBuilder.item(47, this.createButton(Button.REWARD_COMMANDS));
+	}
+
+
+	/**
+	 * This class populate LevelsEditGUI with level challenges.
+	 * @param panelBuilder PanelBuilder where icons must be added.
+	 */
+	private void buildChallengesPanel(PanelBuilder panelBuilder)
+	{
+		List<Challenges> challenges = this.addon.getChallengesManager().getChallenges(this.challengeLevel);
+
+		if (this.pageIndex < 0)
+		{
+			this.pageIndex = 0;
+		}
+		else if (this.pageIndex > (challenges.size() / 18))
+		{
+			this.pageIndex = challenges.size() / 18;
+		}
+
+		int challengeIndex = 18 * this.pageIndex;
+		int elementIndex = 9;
+
+		while (challengeIndex < ((this.pageIndex + 1) * 18) &&
+			challengeIndex < challenges.size())
+		{
+			panelBuilder.item(elementIndex++, this.createChallengeIcon(challenges.get(challengeIndex)));
+			challengeIndex++;
+		}
+
+		if (this.pageIndex > 0)
+		{
+			panelBuilder.item(29, this.getButton(CommonButtons.PREVIOUS));
+		}
+
+		if (challengeIndex < challenges.size())
+		{
+			panelBuilder.item(33, this.getButton(CommonButtons.NEXT));
+		}
+
+		panelBuilder.item(30, this.createButton(Button.ADD_CHALLENGE));
+		panelBuilder.item(32, this.createButton(Button.REMOVE_CHALLENGE));
+	}
+
+
+// ---------------------------------------------------------------------
+// Section: Other methods
+// ---------------------------------------------------------------------
+
+
+	/**
+	 * This method creates top menu buttons, that allows to switch "tabs".
+	 * @param menuType Menu Type which button must be constructed.
+	 * @return PanelItem that represents given menu type.
+	 */
+	private PanelItem createMenuButton(MenuType menuType)
+	{
+		ItemStack icon;
+		String name;
+		List<String> description;
+		boolean glow;
+		PanelItem.ClickHandler clickHandler;
+
+		switch (menuType)
+		{
+			case PROPERTIES:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.properties");
+				description = Collections.emptyList();
+				icon = new ItemStack(Material.CRAFTING_TABLE);
+				clickHandler = (panel, user, clickType, slot) -> {
+					this.currentMenuType = MenuType.PROPERTIES;
+					this.build();
+
+					return true;
+				};
+				glow = this.currentMenuType.equals(MenuType.PROPERTIES);
+				break;
+			}
+			case CHALLENGES:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.challenges");
+				description = Collections.emptyList();
+				icon = new ItemStack(Material.RAIL);
+				clickHandler = (panel, user, clickType, slot) -> {
+					this.currentMenuType = MenuType.CHALLENGES;
+					this.build();
+
+					return true;
+				};
+				glow = this.currentMenuType.equals(MenuType.CHALLENGES);
+				break;
+			}
+			case REWARDS:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.rewards");
+				description = Collections.emptyList();
+				icon = new ItemStack(Material.DROPPER);
+				clickHandler = (panel, user, clickType, slot) -> {
+					this.currentMenuType = MenuType.REWARDS;
+					this.build();
+
+					return true;
+				};
+				glow = this.currentMenuType.equals(MenuType.REWARDS);
+				break;
+			}
+			default:
+				return null;
+		}
+
+		return new PanelItem(icon, name, description, glow, clickHandler, false);
+	}
+
+
+	/**
+	 * This method creates given challenge icon. On click it should open Edit Challenge GUI.
+	 * @param challenge Challenge which icon must be created.
+	 * @return PanelItem that represents given challenge.
+	 */
+	private PanelItem createChallengeIcon(Challenges challenge)
+	{
+		return new PanelItemBuilder().
+			name(challenge.getFriendlyName()).
+			description(challenge.getDescription()).
+			icon(challenge.getIcon()).
+			clickHandler((panel, user1, clickType, slot) -> {
+				// Open challenges edit screen.
+				new ChallengesEditGUI(this.addon,
+					this.world,
+					this.user,
+					challenge,
+					this.topLabel,
+					this.permissionPrefix,
+					this).build();
+				return true;
+			}).
+			glow(!challenge.isDeployed()).
+			build();
+
+	}
+
+
+	/**
+	 * This method creates buttons for default main menu.
+	 * @param button Button which panel item must be created.
+	 * @return PanelItem that represetns given button.
+	 */
+	private PanelItem createButton(Button button)
+	{
+		ItemStack icon;
+		String name;
+		List<String> description;
+		boolean glow;
+		PanelItem.ClickHandler clickHandler;
+
+		switch (button)
+		{
+			case NAME:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.name");
+				description = Collections.singletonList(this.challengeLevel.getFriendlyName());
+				icon = new ItemStack(Material.DROPPER);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Create naming
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case ICON:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.icon");
+				description = Collections.emptyList();
+				icon = this.challengeLevel.getIcon();
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: how to change icon.
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case UNLOCK_MESSAGE:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.description");
+				description = Collections.singletonList(this.challengeLevel.getUnlockMessage());
+				icon = new ItemStack(Material.WRITABLE_BOOK);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Implement challenges description change GUI.
+					this.build();
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case ORDER:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.order");
+				description = Collections.singletonList(
+					this.user.getTranslation("challenges.gui.admin.descriptions.order",
+						"[value]",
+						Integer.toString(this.challengeLevel.getOrder())));
+				icon = new ItemStack(Material.DROPPER);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Possibility to change order.
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case WAIVER_AMOUNT:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.waiver-amount");
+				description = Collections.singletonList(
+					this.user.getTranslation("challenges.gui.admin.descriptions.waiver-amount",
+						"[value]",
+						Integer.toString(this.challengeLevel.getWaiveramount())));
+				icon = new ItemStack(Material.REDSTONE_TORCH);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Possibility to change order.
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+
+			case REWARD_DESCRIPTION:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.reward-text");
+				description = Collections.singletonList(this.challengeLevel.getRewardDescription());
+				icon = new ItemStack(Material.WRITTEN_BOOK);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Implement challenges description change GUI.
+					this.build();
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case REWARD_ITEM:
+			{
+				List<String> values = new ArrayList<>(this.challengeLevel.getRewardItems().size());
+
+				for (ItemStack itemStack : this.challengeLevel.getRewardItems())
+				{
+					values.add(itemStack.getType().name() + " " + itemStack.getAmount());
+				}
+
+				name = this.user.getTranslation("challenges.gui.admin.buttons.reward-items");
+				description = values;
+				icon = new ItemStack(Material.CHEST);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Create Panel
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case REWARD_EXPERIENCE:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.reward-exp");
+				description = Collections.singletonList(
+					this.user.getTranslation("challenges.gui.admin.descriptions.reward-exp",
+						"[value]",
+						Integer.toString(this.challengeLevel.getExpReward())));
+				icon = new ItemStack(Material.EXPERIENCE_BOTTLE);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Possibility to change order.
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case REWARD_MONEY:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.reward-money");
+				description = Collections.singletonList(
+					this.user.getTranslation("challenges.gui.admin.descriptions.reward-money",
+						"[value]",
+						Integer.toString(this.challengeLevel.getMoneyReward())));
+				icon = new ItemStack(Material.GOLD_INGOT);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Possibility to change order.
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case REWARD_COMMANDS:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.reward-command");
+				description = this.challengeLevel.getRewardCommands();
+				icon = new ItemStack(Material.COMMAND_BLOCK);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Create naming
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+
+			case ADD_CHALLENGE:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.add-challenge");
+				description = Collections.emptyList();
+				icon = new ItemStack(Material.WATER_BUCKET);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Create naming
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			case REMOVE_CHALLENGE:
+			{
+				name = this.user.getTranslation("challenges.gui.admin.buttons.remove-challenge");
+				description = Collections.emptyList();
+				icon = new ItemStack(Material.LAVA_BUCKET);
+				clickHandler = (panel, user, clickType, slot) -> {
+					// TODO: Create naming
+					this.build();
+
+					return true;
+				};
+				glow = false;
+				break;
+			}
+			default:
+				return null;
+		}
+
+		return new PanelItem(icon, name, description, glow, clickHandler, false);
+	}
+
+
+// ---------------------------------------------------------------------
+// Section: Enums
+// ---------------------------------------------------------------------
+
+
+	/**
+	 * Represents different buttons that could be in menus.
+	 */
+	private enum Button
+	{
+		NAME,
+		ICON,
+		UNLOCK_MESSAGE,
+		ORDER,
+		WAIVER_AMOUNT,
+
+		REWARD_DESCRIPTION,
+		REWARD_ITEM,
+		REWARD_EXPERIENCE,
+		REWARD_MONEY,
+		REWARD_COMMANDS,
+
+		ADD_CHALLENGE,
+		REMOVE_CHALLENGE
+	}
+
+
+	/**
+	 * Represents different types of menus
+	 */
+	private enum MenuType
+	{
+		PROPERTIES,
+		CHALLENGES,
+		REWARDS
+	}
+
+
+// ---------------------------------------------------------------------
+// Section: Variables
+// ---------------------------------------------------------------------
+
+	/**
+	 * This variable holds current challenge level that is in editing GUI.
+	 */
+	private ChallengeLevels challengeLevel;
+
+	/**
+	 * Variable holds current active menu.
+	 */
+	private MenuType currentMenuType;
+}