public async Task JumpToPage(int page)
{
Log.Update();
CurrentPage = page > NumPages ? NumPages : page;
OnPageUpdate.Invoke();
ExecutePending();
await SavePageNumber();
}
public async Task LastPage()
{
Log.Update();
CurrentPage = NumPages - 1;
OnPageUpdate.Invoke();
ExecutePending();
await SavePageNumber();
}
public async Task PreviousPage()
{
Log.Update();
CurrentPage--;
OnPageUpdate.Invoke();
ExecutePending();
await SavePageNumber();
}
public async Task NextPage()
{
Log.Update();
CurrentPage++;
OnPageUpdate.Invoke();
ExecutePending();
await SavePageNumber();
}
private async Task ResetCurrentPage()
{
Log.Update();
if (PageSize == 0 || CurrentPage < NumPages || NumPages == 0)
{
return;
}
CurrentPage = NumPages - 1;
OnPageUpdate.Invoke();
ExecutePending();
await SavePageNumber();
}
public IEnumerable <T> AllRows()
{
bool dataChange = _matchedRowCache == null || _sortedRowCache == null;
Log.Update("[Data] AllRows");
// _data ??= _dataGetter.Invoke().ToList();
lock (_dataLock)
{
_data ??= new LinkedList <T>(_dataGetter.Invoke());
if (_matchedRowCache == null)
{
Log.Update("[Data] Re-matching rows");
List <T> result = new List <T>();
var numRows = 0;
var numRowsMatched = 0;
foreach (T row in _data)
{
numRows++;
var matched = true;
foreach (Column?column in _columns.Values)
{
if (column?.ID == null)
{
continue;
}
if (column.Shown != true)
{
continue;
}
if (string.IsNullOrEmpty(column.FilterValue))
{
continue;
}
if (!RegexMode)
{
if (!Match(RowValue(row, column.ID), column.FilterValue))
{
matched = false;
break;
}
}
else
{
if (!column.CompiledFilterValue?.IsMatch(RowValue(row, column.ID) ?? "") ?? false)
{
matched = false;
break;
}
}
}
if (matched)
{
result.Add(row);
numRowsMatched++;
}
}
RowCount = numRowsMatched;
ResetCurrentPage();
_matchedRowCache = result;
}
if (_sortedRowCache == null)
{
Log.Update("[Data] Re-sorting rows");
_sortedRowCache = Sort(ref _matchedRowCache);
}
if (dataChange)
{
OnPageUpdate.Invoke();
ExecutePending();
}
return(_sortedRowCache ?? new List <T>());
}
}
