Added top ten placeholders

src/main/java/world/bentobox/level/Level.java

@@ -15,10 +15,12 @@ import world.bentobox.level.commands.admin.AdminTopCommand;
 import world.bentobox.level.commands.island.IslandLevelCommand;
 import world.bentobox.level.commands.island.IslandTopCommand;
 import world.bentobox.level.config.Settings;
-import world.bentobox.level.listeners.JoinLeaveListener;
 import world.bentobox.level.listeners.IslandTeamListeners;
+import world.bentobox.level.listeners.JoinLeaveListener;
 import world.bentobox.level.objects.LevelsData;
 import world.bentobox.level.placeholders.LevelPlaceholder;
+import world.bentobox.level.placeholders.TopTenNamePlaceholder;
+import world.bentobox.level.placeholders.TopTenPlaceholder;
 import world.bentobox.level.requests.LevelRequestHandler;
 
 /**
@@ -129,6 +131,11 @@ public class Level extends Addon {
             // Register placeholders
             if (getPlugin().getPlaceholdersManager() != null) {
                 getPlugin().getPlaceholdersManager().registerPlaceholder(this, "island-level", new LevelPlaceholder(this, gm));
+                // Top Ten
+                for (int i = 1; i < 11; i++) {
+                    getPlugin().getPlaceholdersManager().registerPlaceholder(this, "island-level-top-value-" + i, new TopTenPlaceholder(this, gm, i));
+                    getPlugin().getPlaceholdersManager().registerPlaceholder(this, "island-level-top-name-" + i, new TopTenNamePlaceholder(this, gm, i));
+                }
             }
         });
 

src/main/java/world/bentobox/level/placeholders/LevelPlaceholder.java

@@ -19,7 +19,8 @@ public class LevelPlaceholder implements PlaceholderReplacer {
 
     /**
      * Provides placeholder support
-     * @param gm
+     * @param addon - Level addon
+     * @param gm - Game mode
      */
     public LevelPlaceholder(Level addon, GameModeAddon gm) {
         this.addon = addon;

src/main/java/world/bentobox/level/placeholders/TopTenNamePlaceholder.java

@@ -0,0 +1,39 @@
+/**
+ *
+ */
+package world.bentobox.level.placeholders;
+
+import java.util.Collection;
+import java.util.UUID;
+
+import world.bentobox.bentobox.api.addons.GameModeAddon;
+import world.bentobox.bentobox.api.placeholders.PlaceholderReplacer;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.level.Level;
+
+/**
+ * @author tastybento
+ *
+ */
+public class TopTenNamePlaceholder implements PlaceholderReplacer {
+
+    private final Level level;
+    private final GameModeAddon gm;
+    private final int i;
+
+    public TopTenNamePlaceholder(Level level, GameModeAddon gm, int i) {
+        this.level = level;
+        this.gm = gm;
+        this.i = i - 1;
+    }
+
+    /* (non-Javadoc)
+     * @see world.bentobox.bentobox.api.placeholders.PlaceholderReplacer#onReplace(world.bentobox.bentobox.api.user.User)
+     */
+    @Override
+    public String onReplace(User user) {
+        Collection<UUID> values = level.getTopTen().getTopTenList(gm.getOverWorld()).getTopTen().keySet();
+        return values.size() < i ? "" : level.getPlayers().getName(values.stream().skip(i).findFirst().orElse(null));
+    }
+
+}

src/main/java/world/bentobox/level/placeholders/TopTenPlaceholder.java

@@ -0,0 +1,39 @@
+/**
+ *
+ */
+package world.bentobox.level.placeholders;
+
+import java.util.Collection;
+
+import world.bentobox.bentobox.api.addons.GameModeAddon;
+import world.bentobox.bentobox.api.placeholders.PlaceholderReplacer;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.level.Level;
+
+/**
+ * Provides the level values to placeholders
+ * @author tastybento
+ *
+ */
+public class TopTenPlaceholder implements PlaceholderReplacer {
+
+    private final Level level;
+    private final GameModeAddon gm;
+    private final int i;
+
+    public TopTenPlaceholder(Level level, GameModeAddon gm, int i) {
+        this.level = level;
+        this.gm = gm;
+        this.i = i - 1;
+    }
+
+    /* (non-Javadoc)
+     * @see world.bentobox.bentobox.api.placeholders.PlaceholderReplacer#onReplace(world.bentobox.bentobox.api.user.User)
+     */
+    @Override
+    public String onReplace(User user) {
+        Collection<Long> values = level.getTopTen().getTopTenList(gm.getOverWorld()).getTopTen().values();
+        return values.size() < i ? "" : values.stream().skip(i).findFirst().map(String::valueOf).orElse("");
+    }
+
+}