/// <summary>
/// Updates the new parent group on mouse pointing.
/// </summary>
/// <param name="param">Parameter.</param>
public void UpdateRefHolder(Transform newParentGroupLayout)
{
if (parentGroupLayout != null)
{
int _childIndex = ChildIndex;
///Check for whether its new group
if (parentGroupLayout != newParentGroupLayout)
{
int _tempCurrentGroupLayoutIndex = parentGroupLayout.transform.GetSiblingIndex();
int _tempNewGroupLayoutIndex = newParentGroupLayout.transform.GetSiblingIndex();
///When card moving to right parent, then -1 will be index else 1
_childIndex = _tempCurrentGroupLayoutIndex - _tempNewGroupLayoutIndex;
if (_childIndex <= 0)
{
///If mvoing right, then set dummy card at 0 position
_childIndex = 0;
}
else
{
///If mvoing left, then set dummy card at last position
_childIndex = newParentGroupLayout.childCount;
}
parentGroupLayout = newParentGroupLayout;
}
///set dummy card parent
if (dummyCardObj.transform.parent != parentGroupLayout)
{
dummyCardObj.transform.SetParent(parentGroupLayout);
}
///set dummy card index
dummyCardObj.transform.SetSiblingIndex(_childIndex);
childCount = parentGroupLayout.childCount;
if (childCount <= 1)
{
return;
}
///check if selectedIndex is less than total childCount
if (_childIndex + 1 < childCount)
{
///set the next card of the selected card
nextCard = parentGroupLayout.GetChild(_childIndex + 1).GetComponent <RummyCardBehaviour>();
}
if (_childIndex - 1 >= 0)
{
///set the previous card of selected card
previousCard = parentGroupLayout.GetChild(_childIndex - 1).GetComponent <RummyCardBehaviour>();
}
}
}
/// <summary>
/// Called everytime when mouse enter this gameobject
/// Its updates the card ref holders to newly pointing rummy group layout
/// </summary>
public void OnPointerEnter(PointerEventData eventData)
{
if (eventData.pointerDrag == null)
{
return;
}
GameObject dragObject = eventData.pointerDrag;
/// On pointing to this instance of BaseDroppable class then update the card ref holders
RummyCardBehaviour item = dragObject.GetComponent <RummyCardBehaviour>();
if (item != null)
{
item.UpdateRefHolder(this.transform);
}
}
/// <summary>
/// Check for previous card
/// </summary>
void CheckWithPreviousCard()
{
if (previousCard != null)
{
if (transform.position.x < previousCard.transform.position.x)
{
int index = previousCard.transform.GetSiblingIndex();
previousCard.transform.SetSiblingIndex(dummyCardObj.transform.GetSiblingIndex());
dummyCardObj.transform.SetSiblingIndex(index);
nextCard = previousCard;
if (index - 1 >= 0)
{
previousCard = parentGroupLayout.GetChild(index - 1).GetComponent <RummyCardBehaviour>();
}
else
{
previousCard = null;
}
}
}
}
/// <summary>
/// Check for next card
/// </summary>
void CheckWithNextCard()
{
if (nextCard != null)
{
if (transform.position.x > nextCard.transform.position.x)
{
int index = nextCard.transform.GetSiblingIndex();
nextCard.transform.SetSiblingIndex(dummyCardObj.transform.GetSiblingIndex());
dummyCardObj.transform.SetSiblingIndex(index);
previousCard = nextCard;
if (index + 1 < childCount)
{
nextCard = parentGroupLayout.GetChild(index + 1).GetComponent <RummyCardBehaviour>();
}
else
{
nextCard = null;
}
}
}
}