private void CreateListData(SerializedProperty property)
{
string parent = GetGrandParentPath(property);
// Try to find the grand parent in SortableListData
SortableListData data = listIndex.Find(listData => listData.Parent.Equals(parent));
if (data == null)
{
data = new SortableListData(parent);
listIndex.Add(data);
}
data.AddProperty(property);
object[] attr = property.GetAttributes <ReorderableAttribute>();
if (attr != null && attr.Length == 1)
{
ReorderableAttribute arrayAttr = (ReorderableAttribute)attr[0];
if (arrayAttr != null)
{
HandleReorderableOptions(arrayAttr, property, data);
}
}
}
private void HandleReorderableOptions(ReorderableAttribute arrayAttr, SerializedProperty property, SortableListData data)
{
// Custom element header
if (string.IsNullOrEmpty(arrayAttr.ElementHeader) == false)
{
data.ElementHeaderCallback = i => string.Format("{0} {1}", arrayAttr.ElementHeader, (arrayAttr.HeaderZeroIndex ? i : i + 1));
}
// Draw property as single line
if (arrayAttr.ElementSingleLine)
{
var list = data.GetPropertyList(property);
#if UNITY_5_3_OR_NEWER
list.elementHeightCallback = index => EditorGUIUtility.singleLineHeight + 6;
list.drawElementBackgroundCallback = (rect, index, active, focused) =>
{
if (focused == false)
{
return;
}
if (styleHighlight == null)
{
styleHighlight = GUI.skin.FindStyle("MeTransitionSelectHead");
}
GUI.Box(rect, GUIContent.none, styleHighlight);
};
#endif
list.drawElementCallback = (rect, index, active, focused) =>
{
var element = property.GetArrayElementAtIndex(index);
element.isExpanded = false;
int childCount = data.GetElementCount(property);
if (childCount < 1)
{
return;
}
rect.y += 3;
rect.height -= 6;
if (element.NextVisible(true))
{
float restoreWidth = EditorGUIUtility.labelWidth;
EditorGUIUtility.labelWidth /= childCount;
float padding = 5f;
float width = rect.width - padding * (childCount - 1);
width /= childCount;
Rect childRect = new Rect(rect)
{
width = width
};
int depth = element.Copy().depth;
do
{
if (element.depth != depth)
{
break;
}
if (childCount <= 2)
{
EditorGUI.PropertyField(childRect, element, false);
}
else
{
EditorGUI.PropertyField(childRect, element, GUIContent.none, false);
}
childRect.x += width + padding;
} while (element.NextVisible(false));
EditorGUIUtility.labelWidth = restoreWidth;
}
};
}
}