public virtual void OnDropDraggedElementsAtIndex(List <TreeViewItem> draggedRows, GroupNode parent, int insertIndex)
{
var draggedElements = new List <TreeViewItem>();
foreach (var x in draggedRows)
{
draggedElements.Add(((GroupNode)x));
}
var selectedIDs = draggedElements.Select(x => x.id).ToArray();
MoveElements(parent, insertIndex, draggedElements);
SetSelection(selectedIDs, TreeViewSelectionOptions.RevealAndFrame);
}
public GroupNodeItem(GroupNode data)
{
this.data = data;
}
void HeaderInfos(Rect rect, GroupNode item)
{
var typeRect = new Rect(EditorGUIUtility.currentViewWidth - 110, rect.y, 100, rect.height);
var type = (GroupType)EditorGUI.EnumPopup(typeRect, item.groupType, EditorStyles.miniLabel);
if (type != item.groupType)
{
var ok = EditorUtility.DisplayDialog("修改类型", "强制修改组类型，可能会造成不可知错误，继续请点确认！", "确认");
if (ok)
{
item.groupType = type;
}
}
var dirRect = new Rect(EditorGUIUtility.currentViewWidth - 210, rect.y, 100, rect.height);
switch (item.groupType)
{
case GroupType.GRID:
var dir = (Direction)EditorGUI.EnumPopup(dirRect, item.direction);
if (dir == Direction.Horizontal || dir == Direction.Vertical)
{
item.direction = dir;
}
if (item.direction == 0)
{
item.direction = Direction.Horizontal;
}
var constenctCountRect = dirRect;
constenctCountRect.width *= 0.5f;
constenctCountRect.x -= 50;
item.constraintCount = EditorGUI.IntField(constenctCountRect, item.constraintCount, EditorStyles.label);
break;
case GroupType.SCROLLVIEW:
//#向下不兼容的写法
#if UNITY_5_6
dir = (Direction)EditorGUI.EnumMaskField(dirRect, item.direction);
#elif UNITY_2017
dir = (Direction)EditorGUI.EnumFlagsField(dirRect, item.direction);
#else
dir = (Direction)EditorGUI.EnumMaskField(dirRect, item.direction);
#endif
if (dir == Direction.Horizontal || dir == Direction.Vertical || dir == (Direction.Horizontal | Direction.Vertical))
{
item.direction = dir;
}
break;
case GroupType.SLIDER:
case GroupType.SCROLLBAR:
item.direction = ((Direction)EditorGUI.EnumPopup(dirRect, item.direction));
break;
case GroupType.GROUP:
dir = (Direction)EditorGUI.EnumPopup(dirRect, item.direction);
if (dir == Direction.Horizontal || dir == Direction.Vertical)
{
item.direction = dir;
}
if (item.direction == 0)
{
item.direction = Direction.Horizontal;
}
var spanRect = dirRect;
spanRect.width *= 0.5f;
spanRect.x -= 50;
spanRect.height *= 0.8f;
spanRect.y += 2f;
item.spacing = EditorGUI.Slider(spanRect, item.spacing, 0, 50);
break;
default:
break;
}
}