Add Kotlin DSL

2 files changed, 48 insertions, 0 deletions

diff --git a/src/main/java/dev/isxander/yacl3/api/ConfigCategory.java b/src/main/java/dev/isxander/yacl3/api/ConfigCategory.java
index b3d68fc..41f3ca9 100644
--- a/src/main/java/dev/isxander/yacl3/api/ConfigCategory.java
+++ b/src/main/java/dev/isxander/yacl3/api/ConfigCategory.java
@@ -125,6 +125,13 @@ public interface ConfigCategory {
         Builder groups(@NotNull Collection<OptionGroup> groups);
 
         /**
+         * Fetches the builder for the root group of the category.
+         * This is the group that has no header and options are added through {@link Builder#option(Option)}.
+         * In its default implementation, this builder is severely limited and a lot of methods are unsupported.
+         */
+        OptionGroup.Builder rootGroupBuilder();
+
+        /**
          * Sets the tooltip to be used by the category.
          * Can be invoked twice to append more lines.
          * No need to wrap the text yourself, the gui does this itself.
diff --git a/src/main/java/dev/isxander/yacl3/impl/ConfigCategoryImpl.java b/src/main/java/dev/isxander/yacl3/impl/ConfigCategoryImpl.java
index 400abf6..c73d647 100644
--- a/src/main/java/dev/isxander/yacl3/impl/ConfigCategoryImpl.java
+++ b/src/main/java/dev/isxander/yacl3/impl/ConfigCategoryImpl.java
@@ -46,6 +46,8 @@ public final class ConfigCategoryImpl implements ConfigCategory {
         private Component name;
 
         private final List<Option<?>> rootOptions = new ArrayList<>();
+        private final RootGroupBuilder rootGroupBuilder = new RootGroupBuilder();
+
         private final List<OptionGroup> groups = new ArrayList<>();
 
         private final List<Component> tooltipLines = new ArrayList<>();
@@ -107,6 +109,11 @@ public final class ConfigCategoryImpl implements ConfigCategory {
         }
 
         @Override
+        public OptionGroup.Builder rootGroupBuilder() {
+            return rootGroupBuilder;
+        }
+
+        @Override
         public ConfigCategory build() {
             Validate.notNull(name, "`name` must not be null to build `ConfigCategory`");
 
@@ -130,5 +137,39 @@ public final class ConfigCategoryImpl implements ConfigCategory {
 
             return new ConfigCategoryImpl(name, ImmutableList.copyOf(combinedGroups), concatenatedTooltip);
         }
+
+        private class RootGroupBuilder implements OptionGroup.Builder {
+            @Override
+            public OptionGroup.Builder name(@NotNull Component name) {
+                throw new UnsupportedOperationException("Cannot set name of root group!");
+            }
+
+            @Override
+            public OptionGroup.Builder description(@NotNull OptionDescription description) {
+                throw new UnsupportedOperationException("Cannot set name of root group!");
+            }
+
+            @Override
+            public OptionGroup.Builder option(@NotNull Option<?> option) {
+                ConfigCategoryImpl.BuilderImpl.this.option(option);
+                return this;
+            }
+
+            @Override
+            public OptionGroup.Builder options(@NotNull Collection<? extends Option<?>> options) {
+                ConfigCategoryImpl.BuilderImpl.this.options(options);
+                return this;
+            }
+
+            @Override
+            public OptionGroup.Builder collapsed(boolean collapsible) {
+                throw new UnsupportedOperationException("Cannot set collapsible of root group!");
+            }
+
+            @Override
+            public OptionGroup build() {
+                throw new UnsupportedOperationException("Cannot build root group!");
+            }
+        }
     }
 }