public void OnBeginDrag(PointerEventData eventData)
{
if (draggedInstance.IsNotNull())
{
Destroy(draggedInstance.gameObject);
}
if (!draggable)
{
return;
}
draggedInstance = Instantiate <HierarchyItem>(this, eventData.position, Quaternion.identity, canvas.transform);
draggedInstance.rectTransform.pivot = new Vector2(0f, 1f);
dragging = true;
}
public HierarchyItem Create(string name, string label, bool draggable = true, GameObject reference = null, HierarchyItem parent = null, HierarchyItem originalParent = null)
{
var itemFromResource = Resources.Load <HierarchyItem>(Constants.HIERARCHY_ITEM_PREFAB);
var instanceItem = Instantiate <HierarchyItem>(itemFromResource, Vector3.zero, Quaternion.identity);
var textItem = instanceItem.text;
textItem.text = label;
instanceItem.draggable = draggable;
instanceItem.name = name;
instanceItem.reference = reference;
if (parent.IsNotNull())
{
instanceItem.SetParent(parent);
instanceItem.gameObject.SetActive(parent.expanded);
}
if (originalParent.IsNotNull())
{
instanceItem.originalParentId = originalParent.GetID();
}
// item contains into container
instanceItem.transform.SetParent(container.transform);
instanceItem.transform.localScale = Vector3.one;
instanceItem.onDragEndEvent += (sender, dragEndPosition) => OnHierarchyItemDragEnd(sender, dragEndPosition);
items.Add(instanceItem);
// release memory
textItem = null;
itemFromResource = null;
return(instanceItem);
}
