void DrawChildren(Rect listRect, Rect headerRect, Rect sizeRect, Rect visibleRect, EventType previousEvent)
{
if (Event.current.type == EventType.Used && sizeRect.Contains(Event.current.mousePosition))
{
Event.current.type = previousEvent;
}
EditorGUI.BeginChangeCheck();
EditorGUI.DefaultPropertyField(sizeRect, m_ArraySize, GUIContent.none);
EditorGUI.LabelField(sizeRect, new GUIContent("", "Array Size"));
if (EditorGUI.EndChangeCheck())
{
m_ReorderableList.InvalidateCache();
}
if (headerRect.Contains(Event.current.mousePosition))
{
if (Event.current.type == EventType.DragUpdated || Event.current.type == EventType.DragPerform)
{
Object[] objReferences = DragAndDrop.objectReferences;
foreach (var o in objReferences)
{
Object validatedObject = EditorGUI.ValidateObjectFieldAssignment(new[] { o }, typeof(Object), m_ReorderableList.serializedProperty, EditorGUI.ObjectFieldValidatorOptions.None);
if (validatedObject != null)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
}
else
{
continue;
}
if (Event.current.type == EventType.DragPerform)
{
ReorderableList.defaultBehaviours.DoAddButton(m_ReorderableList, validatedObject);
}
}
DragAndDrop.AcceptDrag();
Event.current.Use();
}
}
if (Event.current.type == EventType.DragExited)
{
DragAndDrop.visualMode = DragAndDropVisualMode.None;
Event.current.Use();
}
if (Property.isExpanded)
{
listRect.y += m_HeaderHeight + Constants.kHeaderPadding;
listRect.height -= m_HeaderHeight + Constants.kHeaderPadding;
visibleRect.y -= listRect.y;
m_ReorderableList.DoList(listRect, visibleRect);
}
}
public void Draw(Rect r, Rect visibleArea)
{
var prefabStage = PrefabStageUtility.GetCurrentPrefabStage();
m_IsNotInPrefabContextModeWithOverrides = prefabStage == null || prefabStage.mode != PrefabStage.Mode.InContext || !PrefabStage.s_PatchAllOverriddenProperties ||
Selection.objects.All(obj => PrefabUtility.IsPartOfAnyPrefab(obj) && !AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(obj)).Equals(AssetDatabase.AssetPathToGUID(prefabStage.assetPath)));
m_ReorderableList.draggable = m_Reorderable && m_IsNotInPrefabContextModeWithOverrides;
Rect headerRect = new Rect(r.x, r.y, r.width, m_HeaderHeight);
Rect sizeRect = new Rect(headerRect.xMax - Constants.kArraySizeWidth, headerRect.y,
Constants.kArraySizeWidth, m_HeaderHeight);
EventType prevType = Event.current.type;
if (Event.current.type == EventType.MouseUp && sizeRect.Contains(Event.current.mousePosition))
{
Event.current.type = EventType.Used;
}
EditorGUI.BeginChangeCheck();
m_Foldout = EditorGUI.BeginFoldoutHeaderGroup(headerRect, m_Foldout, m_Header);
EditorGUI.EndFoldoutHeaderGroup();
if (EditorGUI.EndChangeCheck())
{
m_ReorderableList.ClearCacheRecursive();
}
if (Event.current.type == EventType.Used && sizeRect.Contains(Event.current.mousePosition))
{
Event.current.type = prevType;
}
EditorGUI.DefaultPropertyField(sizeRect, m_ArraySize, GUIContent.none);
EditorGUI.LabelField(sizeRect, new GUIContent("", "Array Size"));
if (headerRect.Contains(Event.current.mousePosition))
{
if (Event.current.type == EventType.DragUpdated || Event.current.type == EventType.DragPerform)
{
Object[] objReferences = DragAndDrop.objectReferences;
foreach (var o in objReferences)
{
if (EditorGUI.ValidateObjectFieldAssignment(new[] { o }, typeof(Object), m_ReorderableList.serializedProperty,
EditorGUI.ObjectFieldValidatorOptions.None) != null)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
}
else
{
continue;
}
if (Event.current.type == EventType.DragPerform)
{
ReorderableList.defaultBehaviours.DoAddButton(m_ReorderableList, o);
}
}
DragAndDrop.AcceptDrag();
Event.current.Use();
}
}
if (Event.current.type == EventType.DragExited)
{
DragAndDrop.visualMode = DragAndDropVisualMode.None;
Event.current.Use();
}
if (m_Foldout)
{
r.y += m_HeaderHeight + Constants.kHeaderPadding;
r.height -= m_HeaderHeight + Constants.kHeaderPadding;
visibleArea.y -= r.y;
m_ReorderableList.DoList(r, visibleArea);
}
}