first commit

Packages/com.singularitygroup.hotreload/Editor/Window/GUI/Tabs/HotReloadOptionsSection.cs

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+using UnityEditor;
+using UnityEngine;
+
+namespace SingularityGroup.HotReload.Editor {
+    internal class HotReloadOptionsSection {
+        /// <remarks>
+        /// Opening options tab does not automatically create the settings asset file.
+        ///  - The Options UI shows defaults if the object asset doesn't exist.
+        ///  - When a build starts, we also ensure the asset file exists.
+        /// </remarks>
+        public void DrawGUI(SerializedObject so) {
+            so.Update(); // must update in-case asset was modified externally
+
+            foreach (var option in HotReloadSettingsTab.allOptions) {
+                GUILayout.Space(4f);
+                DrawOption(option, so);
+            }
+
+            // commit any changes to the underlying ScriptableObject
+            if (so.hasModifiedProperties) {
+                so.ApplyModifiedProperties();
+                // Ensure asset file exists on disk, because we initially create it in memory (to provide the default values)
+                // This does not save the asset, user has to do that by saving assets in Unity (e.g. press hotkey Ctrl + S)
+                var target = so.targetObject as HotReloadSettingsObject;
+                if (target == null) {
+                    Log.Warning("Unexpected problem unable to save HotReloadSettingsObject");
+                } else {
+                    // when one of the project options changed then we ensure the asset file exists.
+                    HotReloadSettingsEditor.EnsureSettingsCreated(target);
+                }
+            }
+        }
+
+        static void DrawOption(IOption option, SerializedObject so) {
+            EditorGUILayout.BeginVertical(HotReloadWindowStyles.BoxStyle);
+
+            var before = option.GetValue(so);
+            var after = EditorGUILayout.BeginToggleGroup(new GUIContent(" " + option.Summary), before);
+            if (after != before) {
+                option.SetValue(so, after);
+            }
+
+            option.InnerOnGUI(so);
+
+            EditorGUILayout.EndToggleGroup();
+            EditorGUILayout.EndVertical();
+        }
+    }
+}