static List <ElementInfo> Find(CellGroup cellGroup, ListView listView, Predicate <Element> predicate, Predicate <Element> containerPredicate)
{
var result = new List <ElementInfo>();
if (cellGroup.Header != null)
{
result.AddRange(cellGroup.Header.Find(predicate, containerPredicate));
}
foreach (var cell in cellGroup.Content)
{
var info = GetElementInfo(predicate, containerPredicate, cell);
if (info != null)
{
if (info.InvokeTap == null)
{
info.InvokeTap = () => listView.Invoke("NotifyRowTapped", cell.GetIndex <ItemsView <Cell>, Cell>(), cell);
}
result.Add(info);
}
}
return(result);
}
static CellGroup GetCellGroup(ITemplatedItemsList <Cell> templatedItems, CellCacheProvider cacheProvider)
{
var result = new CellGroup();
result.Header = templatedItems.HeaderContent;
result.Content = new List <Cell>();
for (int i = 0; i < templatedItems.Count; i++)
{
var item = templatedItems.ListProxy[i];
var cellCache = cacheProvider.GetCellCache(item);
Cell cell = cellCache.GetNextUnusedCell();
if (cell != null)
{
cell.SendDisappearing();
templatedItems.UpdateContent(cell, i);
cell.SendAppearing();
}
else
{
cell = templatedItems[i];
cellCache.AddUsedCell(cell);
cell.SendAppearing();
}
result.Content.Add(cell);
}
return(result);
}
static string Render(CellGroup cellGroup)
{
string result = "";
if (cellGroup.Header != null)
{
result += Render(cellGroup.Header).TrimStart('\n') + "\n";
}
foreach (var cell in cellGroup.Content)
{
result += $"- {(cell as TextCell)?.Text + (cell as ViewCell)?.View.Render().Trim()}\n";
}
return(result);
}
