/// <summary>
/// Set focus to item which has specific data index.
/// </summary>
/// <param name="dataIndex">Data index of item.</param>
/// <param name="animated">If set true, scroll to item using animation.</param>
/// <since_tizen> 8 </since_tizen>
/// This may be public opened in tizen_6.0 after ACR done. Before ACR, need to be hidden as inhouse API
public void SetFocus(int dataIndex, bool animated)
{
foreach (RecycleItem item in Children)
{
if (item.DataIndex == dataIndex)
{
RecycleItem prevFocusedItem = FocusedItem;
prevFocusedItem?.OnFocusLost();
FocusedItem = item;
FocusedItem.OnFocusGained();
ScrollTo(item.DataIndex * mLayoutManager.StepSize, animated);
}
}
}
/// <summary>
/// This helps developer who wants to know before scroll is reaching target position.
/// </summary>
/// <param name="targetPosition">Index of item.</param>
/// <since_tizen> 8 </since_tizen>
/// This may be public opened in tizen_6.0 after ACR done. Before ACR, need to be hidden as inhouse API
protected override void OnPreReachedTargetPosition(float targetPosition)
{
int targetDataIndex = (int)Math.Round(Math.Abs(targetPosition) / mLayoutManager.StepSize);
for (int i = 0; i < Children.Count; i++)
{
RecycleItem item = Children[i] as RecycleItem;
if (targetDataIndex == item.DataIndex)
{
FocusedItem = item;
item.OnFocusGained();
break;
}
}
}
