/// <summary>Determines whether a specific Excel cell is empty.
/// </summary>
/// <param name="rowIndex">The null-based index of the row.</param>
/// <param name="columnIndex">The null-based index of the column.</param>
/// <param name="emptyExcelCellMode">The method how to interpret whether a specific Excel cell is empty.</param>
/// <returns><c>true</c> if the Excel cell at the specific position is empty; otherwise, <c>false</c>.</returns>
/// <exception cref="ArgumentException">Thrown, if the row/column position is not valid.</exception>
public bool IsEmptyExcelCell(int rowIndex, int columnIndex, eEmptyExcelCellMode emptyExcelCellMode = eEmptyExcelCellMode.Standard)
{
if ((rowIndex < m_Data.Count) && (rowIndex >= 0) && (columnIndex < m_ColumnCount) && (columnIndex >= 0))
{
return(IsEmptyExcelCell(m_Data[rowIndex][columnIndex], rowIndex, columnIndex, emptyExcelCellMode));
}
throw new ArgumentException("Invalid cell position, row = " + rowIndex + " column = " + columnIndex + ".");
}
/// <summary>Gets the number of non-empty rows.
/// </summary>
/// <param name="emptyExcelCellMode">The method how to interpret whether a specific Excel cell is empty.</param>
/// <returns>The number of non-empty rows.</returns>
public int GetNonEmptyRowCount(eEmptyExcelCellMode emptyExcelCellMode = eEmptyExcelCellMode.Standard)
{
int rowCount = 0;
for (int j = 0; j < m_Data.Count; j++)
{
if (IsEmptyRow(j, emptyExcelCellMode) == false)
{
rowCount++;
}
}
return(rowCount);
}
/// <summary>Determines whether a specific row is empty, i.e. contains <see cref="Type.Missing"/> only.
/// </summary>
/// <param name="rowIndex">The null-based index of the row.</param>
/// <param name="emptyExcelCellMode">The method how to interpret whether a specific Excel cell is empty.</param>
/// <returns><c>true</c> if the specified row is empty; otherwise, <c>false</c>.</returns>
/// <exception cref="ArgumentException">Thrown, if <paramref name="rowIndex"/> does not represents a valid row index.</exception>
public bool IsEmptyRow(int rowIndex, eEmptyExcelCellMode emptyExcelCellMode = eEmptyExcelCellMode.Standard)
{
if ((rowIndex >= 0) && (rowIndex < m_Data.Count))
{
object[] row = m_Data[rowIndex];
int j = 0;
while (j < m_ColumnCount)
{
object data = row[j];
if (IsEmptyExcelCell(data, rowIndex, j, emptyExcelCellMode) == false)
{
return(false);
}
j++;
}
return(true);
}
throw new ArgumentException("Invalid cell position, row = " + rowIndex + ".");
}
/// <summary>Determines whether a specific Excel cell is empty.
/// </summary>
/// <param name="excelCellData">The data of the Excel cell.</param>
/// <param name="rowIndex">The null-based index of the row.</param>
/// <param name="columnIndex">The null-based index of the column.</param>
/// <param name="emptyExcelCellMode">The method how to interpret whether a specific Excel cell is empty.</param>
/// <returns><c>true</c> if the Excel cell at the specific position is empty; otherwise, <c>false</c>.</returns>
/// <exception cref="ArgumentException">Thrown, if the row/column position is not valid.</exception>
public bool IsEmptyExcelCell(object excelCellData, int rowIndex, int columnIndex, eEmptyExcelCellMode emptyExcelCellMode = eEmptyExcelCellMode.IsNull | eEmptyExcelCellMode.HasMissingType | eEmptyExcelCellMode.IsEmptyExcelCell)
{
if (emptyExcelCellMode.HasFlag(eEmptyExcelCellMode.IsNull) && (excelCellData == null))
{
return(true);
}
else if (emptyExcelCellMode.HasFlag(eEmptyExcelCellMode.HasMissingType) && ((excelCellData == Type.Missing) || (excelCellData is System.Reflection.Missing)))
{
return(true);
}
else if (emptyExcelCellMode.HasFlag(eEmptyExcelCellMode.IsEmptyExcelCell) && (excelCellData is ExcelEmpty))
{
return(true);
}
else if (emptyExcelCellMode.HasFlag(eEmptyExcelCellMode.ContainsEmptyString) && (excelCellData is string) && (((string)excelCellData).Length == 0))
{
return(true);
}
bool isType = (excelCellData is Type);
bool hasDataAdvice = m_DataAdvice.ContainsKey(m_ColumnCount * rowIndex + columnIndex);
if (emptyExcelCellMode.HasFlag(eEmptyExcelCellMode.HasSpecificTypeWithoutAdvice) && isType && (hasDataAdvice == false))
{
return(true);
}
else if (emptyExcelCellMode.HasFlag(eEmptyExcelCellMode.HasSpecificTypeWithAdvice) && isType && hasDataAdvice)
{
return(true);
}
else
{
return(false);
}
}
