public static object DrawGUI(object target, string label = "", Type targetType = null, FieldInfo fieldInfo = null, object context = null)
{
#if UNITY_EDITOR
if (targetType == null && target == null && fieldInfo == null)
{
Debug.LogError("Insufficient information to determine type.");
return(null);
}
if (targetType == null)
{
targetType = target != null?target.GetType() : fieldInfo.FieldType;
}
var drawer = GetDrawer(targetType);
if (context != null && drawer != null)
{
target = drawer.DrawGUI(target, label, targetType, fieldInfo, context);
}
else
{
if (target != null)
{
var isInList = context != null && typeof(IList).IsAssignableFrom(context.GetType());
var isUnityObject = typeof(UnityEngine.Object).IsAssignableFrom(targetType);
if (!isInList && !isUnityObject && !targetType.IsAssignableFrom(typeof(IList)) && !targetType.IsArray)
{
EditorGUILayout.BeginHorizontal();
if (string.IsNullOrEmpty(label) && fieldInfo != null)
{
label = fieldInfo.Name;
}
EditorGUILayout.LabelField(string.Format("{0} [{1}]", label, targetType));
if (GUILayout.Button(GenericEditor.DeleteContent, EditorStyles.label, GUILayout.Width(20)))
{
return(null);
}
EditorGUILayout.EndHorizontal();
}
if (fieldInfo != null)
{
//Debug.Log(string.Format("FieldInfo for {0} wasn't null, so increased IndentLevel from {1} to {2}", fieldInfo.Name, EditorGUI.indentLevel, EditorGUI.indentLevel +1));
EditorGUI.indentLevel++;
}
var fields = GetFields(targetType);
foreach (var field in fields)
{
var subObj = field.GetValue(target);
subObj = DrawGUI(subObj, GetFriendlyName(field), subObj != null ? subObj.GetType() : field.FieldType, field, target);
field.SetValue(target, subObj);
}
if (fieldInfo != null)
{
//Debug.Log(string.Format("FieldInfo for {0} wasn't null, so decreased IndentLevel from {1} to {2}", fieldInfo.Name, EditorGUI.indentLevel, EditorGUI.indentLevel -1));
EditorGUI.indentLevel--;
}
}
else
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(label);
if (targetType.IsAbstract || targetType.IsInterface)
{
EditorGUILayoutX.DerivedTypeSelectButton(targetType, (o) =>
{
fieldInfo.SetValue(context, o);
}
);
}
else if (EditorGUILayoutX.IndentedButton("Add " + targetType.Name))
{
target = Activator.CreateInstance(targetType);
}
EditorGUILayout.EndHorizontal();
}
}
var unityObj = target as Object;
if (!Application.isPlaying && unityObj)
{
EditorUtility.SetDirty(unityObj);
EditorSceneManager.MarkAllScenesDirty();
}
#endif
return(target);
}
protected override IList DrawGUIInternal(IList target, string label = "", Type targetType = null,
FieldInfo fieldInfo = null,
object context = null)
{
var expandedKey = fieldInfo != null ? fieldInfo.Name : context + "list";
var listType = targetType.IsArray ? targetType.GetElementType() : targetType.GetGenericArguments()[0];
ListGenericUIAttribute listAttribute = fieldInfo != null?fieldInfo.GetAttribute <ListGenericUIAttribute>() : null;
if (!GenericEditor.ExpandedFieldCache.ContainsKey(expandedKey))
{
GenericEditor.ExpandedFieldCache[expandedKey] = false;
}
if (fieldInfo != null)
{
GenericEditor.ExpandedFieldCache[expandedKey] =
EditorGUILayout.Foldout(GenericEditor.ExpandedFieldCache[expandedKey], fieldInfo.Name, EditorStyles.boldFont);
}
if (fieldInfo == null || GenericEditor.ExpandedFieldCache[expandedKey])
{
for (var i = 0; i < target.Count; i++)
{
EditorGUI.indentLevel++;
var o = target[i];
if (!GenericEditor.ExpandedFieldCache.ContainsKey(expandedKey + i))
{
GenericEditor.ExpandedFieldCache[expandedKey + i] = false;
}
if (typeof(UnityEngine.Object).IsAssignableFrom(listType))
{
EditorGUILayout.BeginHorizontal();
o = EditorGUILayout.ObjectField((UnityEngine.Object)o, listType, true);
if (GUILayout.Button(GenericEditor.DeleteContent, EditorStyles.label, GUILayout.Width(20)))
{
if (targetType.IsArray)
{
target = ((Array)target).Remove(i);
}
else
{
target.RemoveAt(i);
}
break;
}
EditorGUILayout.EndHorizontal();
}
else
{
EditorGUILayout.BeginHorizontal();
string objectLabel = "NULL";
if (o != null)
{
objectLabel = o.ToString();
}
EditorGUILayout.BeginHorizontal(GUILayout.ExpandWidth(true));
GenericEditor.ExpandedFieldCache[expandedKey + i] =
EditorGUILayout.Foldout(GenericEditor.ExpandedFieldCache[expandedKey + i], objectLabel);
EditorGUILayout.EndHorizontal();
if (o != null && typeof(IHelpLinkProvider).IsAssignableFrom(listType))
{
var helpURL = (o as IHelpLinkProvider).HelpURL;
if (!string.IsNullOrEmpty(helpURL))
{
EditorExtensions.HelpButton(helpURL);
}
}
if (GUILayout.Button(GenericEditor.DeleteContent, EditorStyles.label, GUILayout.Width(20)))
{
target.RemoveAt(i);
break;
}
var enableToggle = o as IShowEnableToggle;
if (enableToggle != null)
{
var lastIndent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
enableToggle.Editor_Enabled = EditorGUILayout.Toggle(GUIContent.none, enableToggle.Editor_Enabled, GUILayout.Width(20));
EditorGUI.indentLevel = lastIndent;
}
EditorGUILayout.EndHorizontal();
if (GenericEditor.ExpandedFieldCache[expandedKey + i])
{
if (o != null)
{
o = GenericEditor.DrawGUI(o, "", o.GetType(), fieldInfo, target);
}
else
{
o = GenericEditor.DrawGUI(null, "Null", listType, fieldInfo, target);
}
}
}
target[i] = o;
EditorGUI.indentLevel--;
EditorExtensions.Seperator();
}
if (!typeof(UnityEngine.Object).IsAssignableFrom(listType) && (listType.IsAbstract || listType.IsInterface || (fieldInfo != null && listAttribute != null && listAttribute.AllowDerived)))
{
EditorGUILayoutX.DerivedTypeSelectButton(listType, (o) => target.Add(o));
}
else if (EditorGUILayoutX.IndentedButton("Add " + listType.Name))
{
if (typeof(UnityEngine.Object).IsAssignableFrom(listType))
{
if (targetType.IsArray)
{
target = ((Array)target).Add(null);
}
else
{
target.Add(null);
}
}
else
{
var newInstance = Activator.CreateInstance(listType);
if (newInstance != null && !newInstance.Equals(null))
{
if (targetType.IsArray)
{
target = ((Array)target).Add(newInstance);
}
else
{
target.Add(newInstance);
}
}
}
}
}
return(target);
}
