public static void Show(SerializedProperty list, EditorListOption options = EditorListOption.Default, EditorListButtonOption buttons = EditorListButtonOption.All)
{
if (!list.isArray)
{
EditorGUILayout.HelpBox(list.name + " is neither an array nor a list!", MessageType.Error);
return;
}
bool
showListLabel = (options & EditorListOption.ListLabel) != 0,
showListSize = (options & EditorListOption.ListSize) != 0;
if (showListLabel)
{
EditorGUILayout.PropertyField(list);
EditorGUI.indentLevel += 1;
}
if (!showListLabel || list.isExpanded)
{
SerializedProperty size = list.FindPropertyRelative("Array.size");
if (showListSize)
{
EditorGUILayout.PropertyField(list.FindPropertyRelative("Array.size"));
}
if (size.hasMultipleDifferentValues)
{
EditorGUILayout.HelpBox("Not showing lists with different sizes.", MessageType.Info);
}
else
{
ShowElements(list, options, buttons);
}
}
if (showListLabel)
{
EditorGUI.indentLevel -= 1;
}
}
private static void ShowElements(SerializedProperty list, EditorListOption options, EditorListButtonOption buttons = EditorListButtonOption.All)
{
bool
showElementLabels = (options & EditorListOption.ElementLabels) != 0,
showButtons = (options & EditorListOption.Buttons) != 0;
for (int i = 0; i < list.arraySize; i++)
{
if (showButtons)
{
EditorGUILayout.BeginHorizontal();
}
if (showElementLabels)
{
EditorGUILayout.PropertyField(list.GetArrayElementAtIndex(i));
}
else
{
EditorGUILayout.PropertyField(list.GetArrayElementAtIndex(i), GUIContent.none);
}
if (showButtons)
{
ShowButtons(list, i, buttons);
EditorGUILayout.EndHorizontal();
}
}
if (showButtons && list.arraySize == 0 && GUILayout.Button(addButtonContent, EditorStyles.miniButton))
{
list.arraySize += 1;
}
}
private static void ShowButtons(SerializedProperty list, int index, EditorListButtonOption buttons = EditorListButtonOption.All)
{
bool
showMoveButtons = (buttons & EditorListButtonOption.Move) != 0,
showAddButtons = (buttons & EditorListButtonOption.AddAndRemove) != 0;
if (showMoveButtons && showAddButtons)
{
if (GUILayout.Button(moveButtonUpContent, EditorStyles.miniButtonLeft, miniButtonWidth))
{
if (index > 0)
{
list.MoveArrayElement(index, index - 1);
}
}
if (GUILayout.Button(moveButtonDownContent, EditorStyles.miniButtonMid, miniButtonWidth))
{
list.MoveArrayElement(index, index + 1);
}
if (GUILayout.Button(duplicateButtonContent, EditorStyles.miniButtonMid, miniButtonWidth))
{
list.InsertArrayElementAtIndex(index);
}
if (GUILayout.Button(deleteButtonContent, EditorStyles.miniButtonRight, miniButtonWidth))
{
int oldSize = list.arraySize;
list.DeleteArrayElementAtIndex(index);
if (list.arraySize == oldSize)
{
list.DeleteArrayElementAtIndex(index);
}
}
}
else if (showMoveButtons)
{
if (index == 0)
{
if (GUILayout.Button(moveButtonUpContentNull, EditorStyles.miniButtonLeft, miniButtonWidth))
{
}
}
else
{
if (GUILayout.Button(moveButtonUpContent, EditorStyles.miniButtonLeft, miniButtonWidth))
{
list.MoveArrayElement(index, index - 1);
}
}
if (GUILayout.Button(moveButtonDownContent, EditorStyles.miniButtonRight, miniButtonWidth))
{
list.MoveArrayElement(index, index + 1);
}
}
else
{
if (GUILayout.Button(duplicateButtonContent, EditorStyles.miniButtonLeft, miniButtonWidth))
{
list.InsertArrayElementAtIndex(index);
}
if (GUILayout.Button(deleteButtonContent, EditorStyles.miniButtonRight, miniButtonWidth))
{
int oldSize = list.arraySize;
list.DeleteArrayElementAtIndex(index);
if (list.arraySize == oldSize)
{
list.DeleteArrayElementAtIndex(index);
}
}
}
}
