Second commit

Assets/Tremble/Editor/Manual/Pages/Entities/BuilderPageBase.cs

@@ -0,0 +1,94 @@
+//
+// This file is part of the Tremble package by Tiny Goose.
+// Copyright (c) 2024-2026 TinyGoose Ltd., All Rights Reserved.
+//
+
+using System;
+using System.Diagnostics.Eventing.Reader;
+using UnityEditor;
+using UnityEngine;
+
+namespace TinyGoose.Tremble.Editor
+{
+	public abstract class BuilderPageBase<TDataClass> : ManualPageBase
+		where TDataClass : ScriptableObject
+	{
+		private TDataClass m_Sample;
+		private SerializedObject m_SampleSO;
+		private TrembleSyncSettings m_SyncSettings;
+
+		protected virtual bool HasInitialQuestions { get; } = false;
+
+		private bool m_DoneInitialQuestions = false;
+
+		protected TDataClass Sample => m_Sample;
+		protected SerializedObject SampleSO => m_SampleSO;
+		protected TrembleSyncSettings SyncSettings => m_SyncSettings;
+
+		protected override void OnInit()
+		{
+			m_Sample = ScriptableObject.CreateInstance<TDataClass>();
+			m_SampleSO = new(m_Sample);
+
+			m_SyncSettings = TrembleSyncSettings.Get();
+		}
+
+		protected sealed override void OnGUI()
+		{
+			if (HasInitialQuestions && !m_DoneInitialQuestions)
+			{
+				OnInitialQuestionsGUI();
+				return;
+			}
+
+			OnPrePropertiesGUI();
+			m_SampleSO.Update();
+			{
+				OnPropertiesGUI();
+			}
+			m_SampleSO.ApplyModifiedPropertiesWithoutUndo();
+			OnPostPropertiesGUI();
+		}
+
+		protected virtual void OnInitialQuestionsGUI() { }
+		protected virtual void OnPrePropertiesGUI() { }
+		protected virtual void OnPropertiesGUI() { }
+		protected virtual void OnPostPropertiesGUI() { }
+
+		protected void MarkInitialQuestionsDone() => m_DoneInitialQuestions = true;
+
+		protected bool RenderProperty(string propName, string title, string description, Type objectReferenceType = null, Action extraContent = null)
+		{
+			SerializedProperty prop = m_SampleSO.FindProperty(propName);
+			uint hash = prop.GetHashOfContent();
+
+			GUILayout.BeginVertical(EditorStyles.helpBox);
+			{
+				if (prop.propertyType == SerializedPropertyType.ObjectReference)
+				{
+					GUILayout.BeginHorizontal();
+					{
+						EditorGUILayout.PrefixLabel(new GUIContent(title));
+						prop.objectReferenceValue = EditorGUILayout.ObjectField(prop.objectReferenceValue, objectReferenceType ?? typeof(GameObject), allowSceneObjects: false);
+					}
+					GUILayout.EndVertical();
+
+					m_SampleSO.ApplyModifiedProperties();
+				}
+				else
+				{
+					EditorGUILayout.PropertyField(prop, new GUIContent(title));
+				}
+
+				GUILayout.Label(description, ManualStyles.Styles.Text);
+
+				extraContent?.Invoke();
+			}
+			GUILayout.EndVertical();
+
+			GUILayout.Space(5f);
+
+			return hash != prop.GetHashOfContent();
+		}
+	}
+}