/// <summary>
/// returns the current visible top row of buttons
/// </summary>
private void UpdateTopRow()
{
if (_count == 0) //There are no buttons in the grid
{
return;
}
if (_count == 1)
{
VisibleTopRow = new List <IterableButton>(1);
VisibleTopRow.Add(_rootButton);
return;
}
IterableButton button = _rootButton;
//traverse the left column starting from the top, break on first visible button
for (int i = 0; i < LeftColumn.Count; i++)
{
button = LeftColumn[i];
if (ButtonGridTools.CheckIfButtonOutofBoundsTop(_gridLayout, _groupScrollRect, ParentRectTransform,
button))
{
break;
}
}
if (button != null)
{
//traverse the row the button is in
int index = button.RowIndex;
for (int i = 0; i < Grid[index].Count; i++)
{
VisibleTopRow.Add(Grid[index].Row[i]);
}
}
}
private void UpdateBottomRow()
{
if (_count == 0) //There are no buttons in the grid
{
return;
}
if (_count == 1)
{
VisibleBottomRow = new List <IterableButton>(1);
VisibleBottomRow.Add(_rootButton);
return;
}
IterableButton button = _rootButton;
//traverse the left column starting from the bottom, break on first visible button
for (int i = LeftColumn.Count - 1; i >= 0; i--)
{
try
{
button = LeftColumn[i];
}
catch (Exception)
{
Debug.Log("da");
}
button = LeftColumn[i];
if (ButtonGridTools.CheckIfButtonOutBoundsBottom(_gridLayout, _groupScrollRect, ParentRectTransform,
button))
{
break;
}
}
if (button != null)
{
//traverse the row the button is in
int index = button.RowIndex;
for (int i = 0; i < Grid[index].Count; i++)
{
Debug.Log(i);
VisibleBottomRow.Add(Grid[index].Row[i]);
}
}
}
void LateUpdate()
{
if (_debug)
{
Debug.Log("startit");
}
//check what the current selected game object is
GameObject currentSelectedGameObject = EventSystem.current.currentSelectedGameObject;
//get the iterable button
if (currentSelectedGameObject != null)
{
IterableButton currentButton = currentSelectedGameObject.GetComponent <IterableButton>();
//check if this button has changed since the last frame
if (currentButton != null && currentButton == _previousButton && !_isRepositioningParent)
{
if (ButtonGridTools.CheckIfButtonOutofBoundsTop(_gridLayoutGroup, _scrollRect, _parentRectTransform, currentButton))
{
_isRepositioningParent = true;
Debug.Log("here1");
StartCoroutine(RepositionParent(currentButton.RectTransform.position));
}
else if (ButtonGridTools.CheckIfButtonOutBoundsBottom(_gridLayoutGroup, _scrollRect, _parentRectTransform, currentButton))
{
_isRepositioningParent = true;
Debug.Log("here");
StartCoroutine(RepositionParent(currentButton.RectTransform.position));
}
}
_previousButton = currentButton;
}
if (currentSelectedGameObject == null)
{
_previousButton = null;
}
//check if current button is visible
}