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Merge pull request #110 from FishingCactus/feature/select_implementat…
…ion_utils Feature/select implementation utils
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182 changes: 182 additions & 0 deletions
182
Editor/ContextMenus/PropertyContextMenus/CreateAssetContextMenu.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| using System; | ||
| using System.Reflection; | ||
| using UnityEditor; | ||
| using UnityEditor.IMGUI.Controls; | ||
| using UnityEditor.SceneManagement; | ||
| using UnityEngine; | ||
| using UnityEngine.SceneManagement; | ||
|
|
||
| namespace FishingCactus | ||
| { | ||
| public sealed class CreateAssetContextMenu : IPropertyContextMenuCallback | ||
| { | ||
| private readonly static float MIN_DROPDOWN_WIDTH = 300f; | ||
|
|
||
| private SerializedObject _targetObject = null; | ||
| private SerializedProperty _targetProperty = null; | ||
| private SelectImplementationDropdown _dropdown = null; | ||
|
|
||
| public void OnPropertyContextMenu( | ||
| Rect context_menu_rect, | ||
| GenericMenu menu, | ||
| SerializedProperty property | ||
| ) | ||
| { | ||
| if( property.propertyType != SerializedPropertyType.ObjectReference ) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| Type property_type = InspectorUtilities.GetPropertyType( property ); | ||
| Type scriptable_object_type = typeof( ScriptableObject ); | ||
|
|
||
| if( !scriptable_object_type.IsAssignableFrom( property_type ) ) | ||
| { | ||
| return; | ||
| } | ||
|
|
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| context_menu_rect.size = new Vector2( Mathf.Max( context_menu_rect.size.x, MIN_DROPDOWN_WIDTH ), context_menu_rect.size.y ); | ||
| _targetObject = property.serializedObject; | ||
| _targetProperty = property; | ||
|
|
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| menu.AddItem( new GUIContent( "Create asset" ), on: false, () => | ||
| { | ||
| if( _dropdown != null ) | ||
| { | ||
| _dropdown.OnImplementationSelected -= Dropdown_OnImplementationSelected; | ||
| } | ||
| var implementations = ReflectionUtilities.GetImplementations( property_type, IsValidImplementation ); | ||
| _dropdown = new SelectImplementationDropdown( new AdvancedDropdownState(), property_type, IsValidImplementation ); | ||
| _dropdown.Show( context_menu_rect ); | ||
| _dropdown.OnImplementationSelected += Dropdown_OnImplementationSelected; | ||
| } ); | ||
| } | ||
|
|
||
| private void Dropdown_OnImplementationSelected( | ||
| Type type | ||
| ) | ||
| { | ||
| CreateAssetOfType( _targetObject, _targetProperty, type ); | ||
| _dropdown.OnImplementationSelected -= Dropdown_OnImplementationSelected; | ||
| } | ||
|
|
||
| private static bool IsValidImplementation( | ||
| Type type | ||
| ) | ||
| { | ||
| return !type.IsInterface | ||
| && !type.IsAbstract | ||
| && !type.ContainsGenericParameters; | ||
| } | ||
|
|
||
| private static void GetCreateAssetMenuAttributeInfo( | ||
| Type asset_type, | ||
| out string file_name | ||
| ) | ||
| { | ||
| file_name = string.Empty; | ||
|
|
||
| foreach( CustomAttributeData attribute in asset_type.CustomAttributes ) | ||
| { | ||
| if( attribute.AttributeType != typeof( CreateAssetMenuAttribute ) ) | ||
| { | ||
| continue; | ||
| } | ||
|
|
||
| for( int argument_index = 0; argument_index < attribute.NamedArguments.Count; argument_index++ ) | ||
| { | ||
| var argument_info = attribute.NamedArguments[ argument_index ]; | ||
|
|
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| if( argument_info.MemberName == "fileName" ) | ||
| { | ||
| file_name = ( string )argument_info.TypedValue.Value; | ||
| } | ||
| } | ||
|
|
||
| if( !string.IsNullOrWhiteSpace( file_name ) ) | ||
| { | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static void CreateAssetOfType( | ||
| SerializedObject serialized_object, | ||
| SerializedProperty property, | ||
| Type asset_type | ||
| ) | ||
| { | ||
| Type project_window_util_type = typeof( ProjectWindowUtil ); | ||
| MethodInfo get_active_folder_path = project_window_util_type.GetMethod( "TryGetActiveFolderPath", BindingFlags.Static | BindingFlags.NonPublic ); | ||
| object[] parameters = new object[ 1 ]; | ||
| bool has_project_window = ( bool )get_active_folder_path.Invoke( obj: null, parameters ); | ||
|
|
||
| if( !has_project_window ) | ||
| { | ||
| Debug.LogError( "No project window is currently opened" ); | ||
|
|
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| return; | ||
| } | ||
|
|
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| ScriptableObject asset = ScriptableObject.CreateInstance( asset_type ); | ||
| string asset_path = ( string )parameters[ 0 ]; | ||
| // TODO: use custom project settings for asset name convention (eg "SO_{name}") | ||
| string asset_name = $"SO_{asset_type.Name}"; | ||
|
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| GetCreateAssetMenuAttributeInfo( asset_type, out string file_name ); | ||
|
|
||
| if( !string.IsNullOrWhiteSpace( file_name ) ) | ||
| { | ||
| asset_name = file_name; | ||
| } | ||
|
|
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| asset_path += $"/{asset_name}"; | ||
| AddIndexInName( ref asset_path ); | ||
| asset_path += ".asset"; | ||
| AssetDatabase.CreateAsset( asset, asset_path ); | ||
|
|
||
| serialized_object.Update(); | ||
| property.objectReferenceValue = asset; | ||
| serialized_object.ApplyModifiedProperties(); | ||
|
|
||
| if( serialized_object.targetObject is Component target_component ) | ||
| { | ||
| Scene scene = target_component.gameObject.scene; | ||
| EditorSceneManager.MarkSceneDirty( scene ); | ||
| EditorSceneManager.SaveScene( scene ); | ||
| } | ||
|
|
||
| AssetDatabase.SaveAssets(); | ||
| } | ||
|
|
||
| private static void AddIndexInName( | ||
| ref string asset_path | ||
| ) | ||
| { | ||
| string new_asset_path = asset_path; | ||
| int index = 0; | ||
|
|
||
| while( !string.IsNullOrEmpty( AssetDatabase.AssetPathToGUID( $"{new_asset_path}.asset", AssetPathToGUIDOptions.OnlyExistingAssets ) ) ) | ||
| { | ||
| new_asset_path = GetFormatedAssetName( asset_path, index ); | ||
| index++; | ||
| } | ||
|
|
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| asset_path = new_asset_path; | ||
| } | ||
|
|
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| private static string GetFormatedAssetName( | ||
| string asset_path, | ||
| int index | ||
| ) | ||
| { | ||
| return EditorSettings.gameObjectNamingScheme switch | ||
| { | ||
| EditorSettings.NamingScheme.SpaceParenthesis => $"{asset_path} ({index})", | ||
| EditorSettings.NamingScheme.Dot => $"{asset_path}.{index}", | ||
| _ => $"{asset_path}_{index}", | ||
| }; | ||
| } | ||
| } | ||
| } |
11 changes: 11 additions & 0 deletions
11
Editor/ContextMenus/PropertyContextMenus/CreateAssetContextMenu.cs.meta
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10 changes: 10 additions & 0 deletions
10
Editor/ContextMenus/PropertyContextMenus/IPropertyContextMenuCallback.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| using UnityEditor; | ||
| using UnityEngine; | ||
|
|
||
| namespace FishingCactus | ||
| { | ||
| public interface IPropertyContextMenuCallback | ||
| { | ||
| public void OnPropertyContextMenu( Rect context_menu_rect, GenericMenu menu, SerializedProperty property ); | ||
| } | ||
| } |
11 changes: 11 additions & 0 deletions
11
Editor/ContextMenus/PropertyContextMenus/IPropertyContextMenuCallback.cs.meta
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