module-inspector/Editor/AbstractMethodDrawer.cs

72 lines
2.5 KiB
C#

using System.Reflection;
using Module.Inspector.Editor.Utilities;
using UnityEditor;
using UnityEngine;
namespace Module.Inspector.Editor
{
public abstract class AbstractMethodDrawer
{
public void OnGUI(Rect position, Object target, MethodInfo method)
{
EditorMethodUtility.Result result = EditorMethodUtility.Query(method);
EAccessType accessType = GetAccessType(target, method, result);
if (accessType == EAccessType.Hidden)
return;
if (result.decorator != null)
{
var rect = new Rect(position);
rect.height = result.decorator.drawer.GetHeight(result.decorator.attribute);
result.decorator.drawer.Draw(rect, result.decorator.attribute);
position.height -= rect.height;
position.y += rect.height;
}
bool prevEnabled = GUI.enabled;
GUI.enabled = accessType == EAccessType.Enabled;
if (result.draw != null)
{
if (!result.draw.drawer.Draw(position, result.draw.attribute, target, method))
EditorGUI.LabelField(position, method.Name, result.draw.drawer.GetErrorMessage());
}
GUI.enabled = prevEnabled;
}
public float GetHeight(Object target, MethodInfo method)
{
EditorMethodUtility.Result result = EditorMethodUtility.Query(method);
EAccessType accessType = GetAccessType(target, method, result);
if (accessType == EAccessType.Hidden)
return 0.0f;
float height = EditorGUIUtility.singleLineHeight;
if (result.decorator != null)
height += result.decorator.drawer.GetHeight(result.decorator.attribute);
return height;
}
private EAccessType GetAccessType(Object target, MethodInfo method, EditorMethodUtility.Result result)
{
if (result.accessModifiers.Count == 0)
return EAccessType.Enabled;
EAccessType accessType = 0;
for (var i = 0; i < result.accessModifiers.Count; i++)
{
EditorMethodUtility.ResultValue<AccessModifierMethodAttribute, AccessModifierMethodDrawer> value = result.accessModifiers[i];
accessType = value.drawer.GetAccessType(value.attribute, target, method, accessType);
}
return accessType;
}
}
}