// --------------------------------------------------------------------------------------------
public override void OnGUI(Rect rect, SerializedProperty property, GUIContent label)
{
var content = EditorGUI.BeginProperty(rect, label, property);
m_info = GetArrayFieldInfo(property);
var headerHeight = GetHeaderHeight(property, content);
var elementRect = rect;
elementRect.y += (m_info != null && m_info.elementIndex == 0) ? headerHeight : 0;
if (m_info != null)
{
// Draw reorderable buttons first because we want to know their size, so the drawHeader
// method can properly adjust the position of its content.
elementRect = DrawReorderableButtons(elementRect, property);
}
// Draw the header if it's the first element.
if (m_info != null && m_info.elementIndex == 0)
{
var headerRect = new Rect(elementRect.x, elementRect.y - headerHeight, elementRect.width, headerHeight);
DrawHeader(rect, headerRect, property, content);
}
elementRect.height = GetElementHeight(property, content);
DrawElement(rect, elementRect, property, content);
EditorGUI.EndProperty();
}
// --------------------------------------------------------------------------------------------
private static void ReorderElement(ArrayFieldInfo info, int offset)
{
var value = info.arrayFieldInfo.GetValue(info.arrayOwner);
if (info.collectionType == CollectionType.Array)
{
var array = value as Array;
var newIndex = Mathf.Clamp(info.elementIndex + offset, 0, array.Length - 1);
var element = array.GetValue(info.elementIndex);
// We don't simply swap the elements because the offset is not always 1 or -1
// This function is also used to put elements on top or to the bottom.
array = ArrayRemove(info.elementType, array, info.elementIndex);
array = ArrayInsert(info.elementType, array, newIndex, element);
info.arrayFieldInfo.SetValue(info.arrayOwner, array);
}
else if (info.collectionType == CollectionType.List)
{
var list = value as IList;
var newIndex = Mathf.Clamp(info.elementIndex + offset, 0, list.Count - 1);
var element = list[info.elementIndex];
list.RemoveAt(info.elementIndex);
list.Insert(newIndex, element);
}
}
// --------------------------------------------------------------------------------------------
public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
{
m_info = GetArrayFieldInfo(property);
var height = GetElementHeight(property, label);
if (m_info != null && m_info.elementIndex == 0)
{
height += GetHeaderHeight(property, label);
}
return(height);
}
// --------------------------------------------------------------------------------------------
private static void DeleteElement(ArrayFieldInfo info)
{
var value = info.arrayFieldInfo.GetValue(info.arrayOwner);
if (info.collectionType == CollectionType.Array)
{
var array = ArrayRemove(info.elementType, value as Array, info.elementIndex);
info.arrayFieldInfo.SetValue(info.arrayOwner, array);
}
else if (info.collectionType == CollectionType.List)
{
var list = value as IList;
list.RemoveAt(info.elementIndex);
}
}
// --------------------------------------------------------------------------------------------
private static void InsertElement(ArrayFieldInfo info)
{
var value = info.arrayFieldInfo.GetValue(info.arrayOwner);
if (info.collectionType == CollectionType.Array)
{
var newInstance = Activator.CreateInstance(info.elementType);
var array = ArrayInsert(info.elementType, value as Array, info.elementIndex + 1, newInstance);
info.arrayFieldInfo.SetValue(info.arrayOwner, array);
}
else if (info.collectionType == CollectionType.List)
{
var newInstance = Activator.CreateInstance(info.elementType);
var list = value as IList;
list.Insert(info.elementIndex + 1, newInstance);
}
}
// --------------------------------------------------------------------------------------------
public override void OnGUI(Rect rect, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginChangeCheck();
var content = EditorGUI.BeginProperty(rect, label, property);
m_info = GetArrayFieldInfo(property);
var headerHeight = GetHeaderHeight(property, content);
var elementRect = rect;
elementRect.y += (m_info != null && m_info.elementIndex == 0) ? headerHeight : 0;
if (m_info != null)
{
// Draw reorderable buttons first because we want to know their size, so the drawHeader
// method can properly adjust the position of its content.
elementRect = DrawReorderableButtons(elementRect, property);
}
// Draw the header if it's the first element.
if (m_info != null && m_info.elementIndex == 0)
{
var headerRect = new Rect(elementRect.x, elementRect.y - headerHeight, elementRect.width, headerHeight);
DrawHeader(rect, headerRect, property, content);
}
elementRect.height = GetElementHeight(property, content);
DrawElement(rect, elementRect, property, content);
EditorGUI.EndProperty();
if (EditorGUI.EndChangeCheck())
{
//On check si c'est un asset, et non un scene-object
var obj = property.serializedObject.targetObject;
if (AssetDatabase.Contains(obj))
{
EditorUtility.SetDirty(obj);
}
}
}
