protected override void LoadFromFile(string path)
{
var separator = _csvSeparatorSelector.GetCsvSeparator(path);
//if separator selection dialog was cancelled, abort
if (!(separator is char separatorCharacter))
{
return;
}
//we keep a copy of the already loaded sheets, in case the reading fails
var alreadyLoadedDataSheets = DataSheets.Clone();
DataSheets.Clear();
try
{
using (var reader = new CsvReaderDisposer(path, separatorCharacter))
{
var csv = reader.Csv;
var headers = csv.GetFieldHeaders();
var rows = new List <List <string> >(headers.Length);
var dataSheet = new DataSheet
{
SheetName = ""
};
for (var i = 0; i < headers.Length; i++)
{
dataSheet.AddColumn(headers[i], i);
}
var currentRow = new string[csv.FieldCount];
while (csv.ReadNextRecord())
{
csv.CopyCurrentRecordTo(currentRow);
var rowList = currentRow.ToList();
var levels = getMeasurementLevels(rowList);
dataSheet.CalculateColumnDescription(levels);
dataSheet.AddRow(rowList);
}
dataSheet.RemoveEmptyColumns();
dataSheet.RemoveEmptyRows();
DataSheets.AddSheet(dataSheet);
}
}
catch (Exception e)
{
DataSheets.CopySheetsFrom(alreadyLoadedDataSheets);
_logger.AddError(e.Message);
throw new InvalidObservedDataFileException(e.Message);
}
}
protected override void LoadFromFile(string path)
{
//we keep a copy of the already loaded sheets, in case the reading fails
var alreadyLoadedDataSheets = DataSheets.Clone();
DataSheets.Clear();
try
{
var reader = new ExcelReader(path);
while (reader.MoveToNextSheet())
{
if (!reader.MoveToNextRow())
{
continue;
}
var rawSheetData = new DataSheet
{
SheetName = reader.CurrentSheet.SheetName
};
var headers = reader.CurrentRow;
for (var j = 0; j < headers.Count; j++)
{
rawSheetData.AddColumn(headers[j], j);
}
while (reader.MoveToNextRow())
{
//the first two could even be done only once
var levels = reader.GetMeasurementLevels(headers.Count);
rawSheetData.CalculateColumnDescription(levels);
rawSheetData.AddRow(reader.CurrentRow);
}
rawSheetData.RemoveEmptyColumns();
rawSheetData.RemoveEmptyRows();
DataSheets.AddSheet(rawSheetData);
}
}
catch (Exception ex)
{
DataSheets.CopySheetsFrom(alreadyLoadedDataSheets);
_logger.AddError(ex.Message);
throw new InvalidObservedDataFileException(ex.Message);
}
}
