private void SetObstaclesAnchoredPosition()
{
m_ObstacleGapMap.Clear();
float obstacleGap = 0f;
foreach (KeyValuePair <int, ScrollViewObstacle> item in m_Obstacles)
{
int index = item.Key;
ScrollViewObstacle scrollViewObstacle = item.Value;
if (index < m_Capacity)
{
scrollViewObstacle.Wakeup();
}
else
{
scrollViewObstacle.Sleep();
}
switch (m_LayoutType)
{
case LayoutType.Horizontal:
{
float paddingLeft = m_Left;
float width = index * m_DefaultItem.rect.width;
float gap = index * m_SpaceX;
float translateX = scrollViewObstacle.Width * 0.5f;
scrollViewObstacle.SetAnchoredPositionX((paddingLeft + width + gap + obstacleGap + translateX) * m_DirectionX);
obstacleGap += scrollViewObstacle.Width;
m_ObstacleGapMap.Add(index, obstacleGap);
}
break;
case LayoutType.Vertical:
{
float paddingTop = m_Top;
float height = index * m_DefaultItem.rect.height;
float gap = index * m_SpaceY;
float translateY = scrollViewObstacle.Height * 0.5f;
scrollViewObstacle.SetAnchoredPositionY((paddingTop + height + gap + obstacleGap + translateY) * m_DirectionY);
obstacleGap += scrollViewObstacle.Height;
m_ObstacleGapMap.Add(index, obstacleGap);
}
break;
case LayoutType.Grid:
// Not support.
break;
default:
break;
}
}
}
/// <summary>
/// The obstacle will be placed in front of the cell with the same index. Grid layout is not currently supported.
/// </summary>
/// <param name="index"></param>
/// <param name="gameObject"></param>
public void RegisterObstacle(int index, GameObject gameObject)
{
ScrollViewObstacle scrollViewObstacle;
if (m_Obstacles.TryGetValue(index, out scrollViewObstacle))
{
scrollViewObstacle.Init(gameObject);
scrollViewObstacle.SetAnchorAndPivot();
}
else
{
scrollViewObstacle = new ScrollViewObstacle();
scrollViewObstacle.Init(gameObject);
scrollViewObstacle.SetAnchorAndPivot();
m_Obstacles.Add(index, scrollViewObstacle);
}
}
public void ResizeContent(int capacity)
{
if (capacity < 0)
{
capacity = 0;
}
if (m_Paginate)
{
switch (m_LayoutType)
{
case LayoutType.Horizontal:
capacity += capacity % m_Columns == 0 ? 0 : m_Columns - capacity % m_Columns;
break;
case LayoutType.Vertical:
capacity += capacity % m_Rows == 0 ? 0 : m_Rows - capacity % m_Rows;
break;
case LayoutType.Grid:
capacity += capacity % (m_Columns * m_Rows) == 0 ? 0 : (m_Columns * m_Rows) - capacity % (m_Columns * m_Rows);
break;
default:
break;
}
}
if (m_Capacity == capacity)
{
SetObstaclesAnchoredPosition();
return;
}
m_Capacity = capacity;
SetCells();
SetPaginations();
int rows = 1;
int columns = 1;
switch (m_LayoutType)
{
case LayoutType.Horizontal:
rows = 1;
columns = m_Capacity;
break;
case LayoutType.Vertical:
rows = m_Capacity;
columns = 1;
break;
case LayoutType.Grid:
rows = (m_Capacity % m_Columns) == 0 ? m_Capacity / m_Columns : m_Capacity / m_Columns + 1;
columns = m_Columns;
break;
default:
break;
}
float paddingLeft = m_Left;
float width = columns * m_DefaultItem.rect.width;
float gapX = (columns - 1) * m_SpaceX;
float paddingTop = m_Top;
float height = rows * m_DefaultItem.rect.height;
float gapY = (rows - 1) * m_SpaceY;
float obstacleGapX = 0f;
float obstacleGapY = 0f;
foreach (KeyValuePair <int, ScrollViewObstacle> item in m_Obstacles)
{
ScrollViewObstacle scrollViewObstacle = item.Value;
if (item.Key < m_Capacity)
{
switch (m_LayoutType)
{
case LayoutType.Horizontal:
obstacleGapX += scrollViewObstacle.Width;
break;
case LayoutType.Vertical:
obstacleGapY += scrollViewObstacle.Height;
break;
case LayoutType.Grid:
// Not support.
break;
default:
break;
}
}
}
content.sizeDelta = new Vector2(paddingLeft + width + gapX + obstacleGapX, paddingTop + height + gapY + obstacleGapY);
m_Index = 0;
m_ObstacleGap = 0;
SetObstaclesAnchoredPosition();
SetCellsAnchoredPosition();
}