Use sealed and internal keywords in script gen

Author: Edvinas01

CHANGELOG.md

@@ -23,6 +23,7 @@ This release tidies up this package, so it is consistent with other packages pub
 - Updated samples as they broke after changing class names and namespaces.
 - Updated script generation logic to accomodate namespace and naming changes.
 - Updated Documentation to include, namespace, menu item and renaming changes. Additionally, some information regarding addressables was added as well.
+- Updated Script Creator window to generate more restricted classes, with `sealed` and `internal` keywords instead of just `public`.
 
 ## [v2.2.0](https://github.com/chark/scriptable-events/compare/v2.1.0...v2.2.0) - 2022-08-04
 

Editor/ScriptCreation/Templates/EditorTemplate.txt

@@ -3,7 +3,7 @@
 namespace ${EDITOR_NAMESPACE}
 {
     [CustomEditor(typeof(${EVENT_NAME}))]
-    public class ${EDITOR_NAME} : ScriptableEventEditor<${EVENT_ARG_NAME}>
+    internal sealed class ${EDITOR_NAME} : ScriptableEventEditor<${EVENT_ARG_NAME}>
     {
         protected override ${EVENT_ARG_NAME} DrawArgField(${EVENT_ARG_NAME} value)
         {

Editor/ScriptCreation/Templates/EventTemplate.txt

@@ -7,7 +7,7 @@ namespace ${EVENT_NAMESPACE}
         menuName = ScriptableEventConstants.MenuNameCustom + "/${EVENT_MENU_NAME}",
         order = ScriptableEventConstants.MenuOrderCustom + ${EVENT_MENU_ORDER}
     )]
-    public class ${EVENT_NAME} : ScriptableEvent<${EVENT_ARG_NAME}>
+    internal sealed class ${EVENT_NAME} : ScriptableEvent<${EVENT_ARG_NAME}>
     {
     }
 }

Editor/ScriptCreation/Templates/ListenerTemplate.txt

@@ -6,7 +6,7 @@ namespace ${LISTENER_NAMESPACE}
         ScriptableEventConstants.MenuNameCustom + "/${LISTENER_MENU_NAME}",
         ScriptableEventConstants.MenuOrderCustom + ${LISTENER_MENU_ORDER}
     )]
-    public class ${LISTENER_NAME} : ScriptableEventListener<${EVENT_ARG_NAME}>
+    internal sealed class ${LISTENER_NAME} : ScriptableEventListener<${EVENT_ARG_NAME}>
     {
     }
 }