/// <summary>
/// Auto GUI generating function.
/// </summary>
/// <param name="targetObject">The object instance to draw.</param>
public static void DrawGUI(object targetObject)
{
Type targetType = targetObject.GetType();
foreach (FieldInfo fieldInfo in targetType.GetFields())
{
if (!ShouldDisplay(fieldInfo, targetObject))
{
continue;
}
HeaderAttribute header = GetAttribute <HeaderAttribute>(fieldInfo);
if (header != null)
{
GUIStyle headerStyle = new GUIStyle(EditorStyles.boldLabel);
headerStyle.padding.top += _headerHeightOffset;
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(
header.header,
headerStyle,
GUILayout.Height((2 * _headerHeightOffset) + headerStyle.lineHeight));
EditorGUILayout.EndHorizontal();
}
string fieldName;
DisplayNameAttribute fieldDisplay = GetAttribute <DisplayNameAttribute>(fieldInfo);
if (fieldDisplay == null)
{
fieldName = string.Format("{0}", fieldInfo.Name);
}
else
{
fieldName = fieldDisplay.DisplayString;
}
if (fieldInfo.FieldType.IsEnum)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(fieldName);
Array availableEnums;
EnumRangeAttribute enumRange = GetAttribute <EnumRangeAttribute>(fieldInfo);
if (enumRange != null)
{
MethodInfo checkingFunction =
targetType.GetMethod(enumRange.CheckingFunction);
availableEnums = (Array)checkingFunction.Invoke(
targetObject, new object[] { });
}
else
{
availableEnums = Enum.GetValues(fieldInfo.FieldType);
}
string[] enumNames =
(string[])typeof(ARCoreExtensionsProjectSettingsGUI)
.GetMethod("GetEnumNames")
.MakeGenericMethod(fieldInfo.FieldType)
.Invoke(null, new object[] { availableEnums });
var currentValue = fieldInfo.GetValue(targetObject);
int currentIndex = Array.IndexOf(availableEnums, currentValue);
if (currentIndex == -1)
{
currentIndex = 0;
}
var selectedIndex =
EditorGUILayout.Popup(
currentIndex,
enumNames,
GUILayout.Width(_groupFieldIndent));
fieldInfo.SetValue(targetObject, availableEnums.GetValue(selectedIndex));
EditorGUILayout.EndHorizontal();
}
else if (fieldInfo.FieldType == typeof(Boolean))
{
float originalWidth = EditorGUIUtility.labelWidth;
Boolean value = (Boolean)fieldInfo.GetValue(targetObject);
EditorGUIUtility.labelWidth = _toggleLabelWidth;
value = EditorGUILayout.Toggle(new GUIContent(fieldName), value);
EditorGUIUtility.labelWidth = originalWidth;
fieldInfo.SetValue(targetObject, value);
}
else if (fieldInfo.FieldType == typeof(string))
{
EditorGUILayout.BeginHorizontal();
string value = (string)fieldInfo.GetValue(targetObject);
EditorGUILayout.LabelField(fieldName, GUILayout.Width(_groupFieldIndent));
value = EditorGUILayout.TextField(value);
fieldInfo.SetValue(targetObject, value);
EditorGUILayout.EndHorizontal();
}
else if (fieldInfo.FieldType == typeof(int))
{
EditorGUILayout.BeginHorizontal();
int value = (int)fieldInfo.GetValue(targetObject);
EditorGUILayout.LabelField(fieldName, GUILayout.Width(_groupFieldIndent));
value = (int)Convert.ToInt32(EditorGUILayout.TextField(value.ToString()));
fieldInfo.SetValue(targetObject, value);
EditorGUILayout.EndHorizontal();
}
else if (fieldInfo.FieldType == typeof(long))
{
EditorGUILayout.BeginHorizontal();
long value = (long)fieldInfo.GetValue(targetObject);
EditorGUILayout.LabelField(fieldName, GUILayout.Width(_groupFieldIndent));
value = (long)Convert.ToInt64(EditorGUILayout.TextField(value.ToString()));
fieldInfo.SetValue(targetObject, value);
EditorGUILayout.EndHorizontal();
}
else if (fieldInfo.FieldType == typeof(float))
{
EditorGUILayout.BeginHorizontal();
float value = (float)fieldInfo.GetValue(targetObject);
EditorGUILayout.LabelField(fieldName, GUILayout.Width(_groupFieldIndent));
value = (float)Convert.ToSingle(EditorGUILayout.TextField(value.ToString()));
fieldInfo.SetValue(targetObject, value);
EditorGUILayout.EndHorizontal();
}
else if (fieldInfo.FieldType == typeof(double))
{
EditorGUILayout.BeginHorizontal();
double value = (double)fieldInfo.GetValue(targetObject);
EditorGUILayout.LabelField(fieldName, GUILayout.Width(_groupFieldIndent));
value = (double)Convert.ToDouble(EditorGUILayout.TextField(value.ToString()));
fieldInfo.SetValue(targetObject, value);
EditorGUILayout.EndHorizontal();
}
GUILayout.Space(EditorGUIUtility.standardVerticalSpacing);
DisplayHelpInfo(fieldInfo, targetObject);
}
}