private void MultiLevelRecyclerView_ItemClick(View view, RecyclerViewItem item, int position)
{
if (ToggleItemOnClick)
{
ToggleItemsGroup(position);
}
}
private void AddItems(RecyclerViewItem clickedItem, IList <RecyclerViewItem> tempList, int position)
{
if (clickedItem.HasChildren)
{
prevClickedPosition = position;
for (int i = 0; i < clickedItem.Children.Count; i++)
{
tempList.Insert(position + 1 + i, clickedItem.Children[i]);
}
//tempList.AddAll(position + 1, clickedItem.Children);
clickedItem.Expanded = true;
numberOfItemsAdded = clickedItem.Children.Count;
mMultiLevelAdapter.RecyclerViewItemList = tempList;
mMultiLevelAdapter.NotifyItemRangeInserted(position + 1, clickedItem.Children.Count);
SmoothScrollToPosition(position);
RefreshPosition();
}
}
public void ToggleItemsGroup(int position)
{
if (position == -1)
{
return;
}
IList <RecyclerViewItem> adapterList = mMultiLevelAdapter.RecyclerViewItemList;
RecyclerViewItem clickedItem = adapterList[position];
if (Accordion)
{
if (clickedItem.Expanded)
{
clickedItem.Expanded = false;
RemoveAllChildren(clickedItem.Children);
RemovePrevItems(adapterList, position, clickedItem.Children.Count);
prevClickedPosition = -1;
numberOfItemsAdded = 0;
}
else
{
int i = GetExpandedPosition(clickedItem.Level);
int itemsToRemove = GetItemsToBeRemoved(clickedItem.Level);
if (i != -1)
{
RemovePrevItems(adapterList, i, itemsToRemove);
adapterList[i].Expanded = false;
if (clickedItem.Position > adapterList[i].Position)
{
AddItems(clickedItem, adapterList, position - itemsToRemove);
}
else
{
AddItems(clickedItem, adapterList, position);
}
}
else
{
AddItems(clickedItem, adapterList, position);
}
}
}
else
{
if (clickedItem.Expanded)
{
clickedItem.Expanded = false;
RemoveAllChildren(clickedItem.Children);
RemovePrevItems(adapterList, position, clickedItem.Children.Count);
prevClickedPosition = -1;
numberOfItemsAdded = 0;
}
else
{
if (clickedItem.Expanded)
{
RemovePrevItems(adapterList, prevClickedPosition, numberOfItemsAdded);
AddItems(clickedItem, adapterList, clickedItem.Position);
}
else
{
AddItems(clickedItem, adapterList, position);
}
}
}
}