/// <summary>
/// Called everytime when drag is stop moving before OnEndDrag is called
/// Useful to vaidate drop item
/// </summary>
public override void OnDrop(PointerEventData eventData)
{
GameObject droppedObject = eventData.pointerDrag;
BaseDraggable item = droppedObject.GetComponent <BaseDraggable>();
item.UpdateParentHolder(this.transform);
}
/// <summary>
/// Called everytime when drag is stop moving before OnEndDrag is called
/// Useful to vaidate drop item
/// </summary>
public override void OnDrop(PointerEventData eventData)
{
GameObject droppedObject = eventData.pointerDrag;
/// On Drop, if parent transform is an instance of BaseDroppable class then update parent transform
BaseDraggable item = droppedObject.GetComponent <BaseDraggable>();
if (item != null)
{
item.UpdateParentHolder(this.transform);
}
}
/// <summary>
/// Called everytime when drag is stop moving
/// Disables new group layout or any layout with no child
/// </summary>
public override void OnAnyItemDragEnd(BaseDraggable item)
{
foreach (GameObject groupLayout in groupLayouts)
{
if (groupLayout.transform == item.draggingHandlerParent)
{
continue;
}
if (groupLayout.transform.childCount == 0)
{
groupLayout.SetActive(false);
}
}
}
/// =========================== Callback funtions ==================== ///
#region Callback functions
/// <summary>
/// Called everytime when drag is started
/// Enables new group layout for card separation
/// </summary>
public override void OnAnyItemDragStart(BaseDraggable item)
{
if (item.draggingHandlerParent.childCount == 1)
{
return;
}
GameObject groupLayout = groupLayouts.Where(x => !(x.activeSelf)).FirstOrDefault();
if (groupLayout != null)
{
groupLayout.SetActive(true);
groupLayout.transform.SetAsLastSibling();
}
}
/// <summary>
/// On any item drag end enable all items raycast
/// </summary>
/// <param name="item"> dragged item </param>
public virtual void OnAnyItemDragEnd(BaseDraggable item)
{
}
/// =========================== Callback funtions ==================== ///
#region Callback functions
/// <summary>
/// On any item drag start need to disable all items raycast for correct drop operation
/// </summary>
/// <param name="item"> dragged item </param>
public virtual void OnAnyItemDragStart(BaseDraggable item)
{
}