internal virtual void LayoutChunk(FlexibleViewRecycler recycler,
LayoutState layoutState, LayoutChunkResult result)
{
FlexibleViewViewHolder holder = layoutState.Next(recycler);
if (holder == null)
{
// if we are laying out views in scrap, this may return null which means there is
// no more items to layout.
result.Finished = true;
return;
}
if (mShouldReverseLayout == (layoutState.LayoutDirection == LayoutState.LAYOUT_START))
{
AddView(holder);
}
else
{
AddView(holder, 0);
}
result.Consumed = orientationHelper.GetViewHolderMeasurement(holder);
float left, top, width, height;
if (Orientation == VERTICAL)
{
width = Width - PaddingLeft - PaddingRight;
height = result.Consumed;
left = PaddingLeft;
if (layoutState.LayoutDirection == LayoutState.LAYOUT_END)
{
top = layoutState.Offset;
}
else
{
top = layoutState.Offset - height;
}
LayoutChild(holder, left, top, width, height);
}
else
{
width = result.Consumed;
height = Height - PaddingTop - PaddingBottom;
top = PaddingTop;
if (layoutState.LayoutDirection == LayoutState.LAYOUT_END)
{
left = layoutState.Offset;
}
else
{
left = layoutState.Offset - width;
}
LayoutChild(holder, left, top, width, height);
}
result.Focusable = true;
}
internal override void LayoutChunk(FlexibleView.Recycler recycler,
LayoutState layoutState, LayoutChunkResult result)
{
bool layingOutInPrimaryDirection =
layoutState.ItemDirection == LayoutState.ITEM_DIRECTION_TAIL;
int count = mSpanCount;
for (int i = 0; i < count; i++)
{
FlexibleView.ViewHolder holder = layoutState.Next(recycler);
if (holder == null)
{
result.Finished = true;
return;
}
if (layingOutInPrimaryDirection)
{
AddView(holder);
}
else
{
AddView(holder, 0);
}
result.Consumed = mOrientationHelper.GetViewHolderMeasurement(holder);
float left, top, width, height;
if (mOrientation == VERTICAL)
{
width = (Width - PaddingLeft - PaddingRight) / count;
height = result.Consumed;
if (layoutState.LayoutDirection == LayoutState.LAYOUT_END)
{
left = PaddingLeft + width * i;
top = layoutState.Offset;
}
else
{
left = PaddingLeft + width * (count - 1 - i);
top = layoutState.Offset - height;
}
LayoutChild(holder, left, top, width, height);
}
else
{
width = result.Consumed;
height = (Height - PaddingTop - PaddingBottom) / count;
if (layoutState.LayoutDirection == LayoutState.LAYOUT_END)
{
top = PaddingTop + height * i;
left = layoutState.Offset;
}
else
{
top = PaddingTop + height * (count - 1 - i);
left = layoutState.Offset - width;
}
LayoutChild(holder, left, top, width, height);
}
}
}