Use enum for enabling placeholder replacement in holograms

api/src/main/java/me/filoghost/holographicdisplays/api/hologram/Hologram.java

@@ -81,22 +81,14 @@ public interface Hologram {
     void setPosition(@NotNull Location location);
 
     /**
-     * Checks if the hologram will track and replace placeholders.
-     * This is false by default.
-     *
-     * @return if the hologram allows placeholders
      * @since 1
      */
-    boolean isAllowPlaceholders();
+    @NotNull ResolvePlaceholders getResolvePlaceholders();
 
     /**
-     * Sets if the hologram should track and replace placeholders.
-     * By default, it will not track them.
-     *
-     * @param allowPlaceholders if the hologram should track placeholders
      * @since 1
      */
-    void setAllowPlaceholders(boolean allowPlaceholders);
+    void setResolvePlaceholders(@NotNull ResolvePlaceholders resolvePlaceholders);
 
     /**
      * Deletes this hologram. Editing or teleporting the hologram when deleted

api/src/main/java/me/filoghost/holographicdisplays/api/hologram/ResolvePlaceholders.java

@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) filoghost and contributors
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+package me.filoghost.holographicdisplays.api.hologram;
+
+public enum ResolvePlaceholders {
+
+    DEFAULT,
+    ALL,
+    NONE
+
+}

plugin/src/main/java/me/filoghost/holographicdisplays/plugin/api/current/APIHologram.java

@@ -8,6 +8,7 @@ package me.filoghost.holographicdisplays.plugin.api.current;
 import me.filoghost.fcommons.Preconditions;
 import me.filoghost.holographicdisplays.api.Position;
 import me.filoghost.holographicdisplays.api.hologram.Hologram;
+import me.filoghost.holographicdisplays.api.hologram.ResolvePlaceholders;
 import me.filoghost.holographicdisplays.plugin.hologram.base.BaseHologram;
 import me.filoghost.holographicdisplays.plugin.hologram.base.ImmutablePosition;
 import me.filoghost.holographicdisplays.plugin.hologram.tracking.LineTrackerManager;
@@ -22,7 +23,7 @@ public class APIHologram extends BaseHologram implements Hologram {
     private final APIHologramManager hologramManager;
     private final DefaultVisibilitySettings visibilitySettings;
 
-    private boolean allowPlaceholders;
+    private @NotNull ResolvePlaceholders resolvePlaceholders;
 
     protected APIHologram(
             ImmutablePosition position,
@@ -35,6 +36,7 @@ public class APIHologram extends BaseHologram implements Hologram {
         this.plugin = plugin;
         this.hologramManager = hologramManager;
         this.visibilitySettings = new DefaultVisibilitySettings();
+        this.resolvePlaceholders = ResolvePlaceholders.DEFAULT;
     }
 
     @Override
@@ -53,19 +55,20 @@ public class APIHologram extends BaseHologram implements Hologram {
     }
 
     @Override
-    public boolean isAllowPlaceholders() {
+    public @NotNull ResolvePlaceholders getResolvePlaceholders() {
-        return allowPlaceholders;
+        return resolvePlaceholders;
     }
 
     @Override
-    public void setAllowPlaceholders(boolean allowPlaceholders) {
+    public void setResolvePlaceholders(@NotNull ResolvePlaceholders resolvePlaceholders) {
+        Preconditions.notNull(resolvePlaceholders, "resolvePlaceholders");
         checkNotDeleted();
 
-        if (this.allowPlaceholders == allowPlaceholders) {
+        if (this.resolvePlaceholders == resolvePlaceholders) {
             return;
         }
 
-        this.allowPlaceholders = allowPlaceholders;
+        this.resolvePlaceholders = resolvePlaceholders;
         for (APIHologramLine line : lines) {
             line.setChanged();
         }

plugin/src/main/java/me/filoghost/holographicdisplays/plugin/api/current/APITextHologramLine.java

@@ -5,6 +5,7 @@
  */
 package me.filoghost.holographicdisplays.plugin.api.current;
 
+import me.filoghost.holographicdisplays.api.hologram.ResolvePlaceholders;
 import me.filoghost.holographicdisplays.api.hologram.line.ClickListener;
 import me.filoghost.holographicdisplays.api.hologram.line.TextHologramLine;
 import me.filoghost.holographicdisplays.plugin.hologram.base.BaseTextHologramLine;
@@ -23,7 +24,7 @@ public class APITextHologramLine extends BaseTextHologramLine implements TextHol
 
     @Override
     public boolean isAllowPlaceholders() {
-        return hologram.isAllowPlaceholders();
+        return hologram.getResolvePlaceholders() == ResolvePlaceholders.ALL;
     }
 
     @Override