public void DestroyMe()
{
if (!isRoot && !destroyChildrenOnDestruction)
{
var p = FindParentElement();
TreeViewElement drg = null;
foreach (Transform t in containerOfWholeTreeView)
{
if (t.GetComponent <TreeViewElement>().dragging)
{
drg = t.GetComponent <TreeViewElement>();
}
}
if (drg != null && drg.previousParent == childrenRoot)
{
drg.previousParent = p.childrenRoot;
//onPreviousParentElementDestroyed?.Invoke(p);
drg.positionInPreviousParent = p.childrenRoot.childCount - 1;
}
foreach (Transform t in childrenRoot)
{
t.SetParent(p.childrenRoot);
}
OnDestruction();
Destroy(gameObject);
}
}
public virtual void OnAttachTo(TreeViewElement newParent)
{
transform.SetParent(newParent.childrenRoot);
if (newParent != null)
{
newParent.GetAssociatedTreeViewSelectable().Unhighlight();
}
}
public virtual void OnDragHoverOn(TreeViewElement hoveredPotentialAttachElements, TreeViewElement previousHoveredPotentialAttachElements)
{
if (previousHoveredPotentialAttachElements != null)
{
previousHoveredPotentialAttachElements.GetAssociatedTreeViewSelectable().Unhighlight();
}
if (hoveredPotentialAttachElements != null)
{
hoveredPotentialAttachElements.GetAssociatedTreeViewSelectable().Highlight();
}
}
private TreeViewElement FindObjectToAttachTo_Aux(Transform childrenRoot, PointerEventData data, List <RaycastResult> raycastResults)
{
TreeViewElement res = null;
foreach (Transform t in childrenRoot)
{
var tve = t.GetComponent <TreeViewElement>();
if (tve != null)
{
if (raycastResults.ConvertAll <GameObject>(_ => _.gameObject).Contains(tve.GetAssociatedTreeViewSelectable().GetGameObject()))
{
res = tve;
break;
}
else if (tve.childrenRoot.childCount > 0)
{
res = FindObjectToAttachTo_Aux(tve.childrenRoot, data, raycastResults);
}
}
}
return(res);
}
public void ActualOnDrag(PointerEventData data)
{
//dragging = true;
if (!isRoot)
{
var _temp = FindObjectToAttachTo(data);
if (_temp != _toattachto)
{
OnDragHoverOn(_temp, _toattachto);
_toattachto = _temp;
}
Vector2 localPointerPosition;
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(DragAreaInternal, data.position, data.pressEventCamera, out localPointerPosition))
{
Vector3 offsetToOriginal = localPointerPosition - originalLocalPointerPosition;
DragObjectInternal.localPosition = originalPanelLocalPosition + offsetToOriginal;
}
ClampToArea();
}
}
