/// <summary>
/// Configures how this specific attribute is parsed from an Excel-File.
/// </summary>
/// <param name="ColumnIndex">1-Bases index of the column in the Excel-File</param>
/// <param name="DefaultValue">Default-Value used if cell values is null or empty; Excel-Value is not replaced if <see cref="DefaultValue"/> is kept null</param>
/// <param name="cellParser">Parses a string value to the property-type.</param>
/// <param name="WriteStyleNumberFormat">e.g. '€#,##0.00': used for writing back into excel to specify cell format </param>
public ExcelColumnConfigurationAttribute(int ColumnIndex, string ColumnHeaderText = null, object DefaultValue = null, Type cellParser = null)
{
if (ColumnIndex < 1)
{
throw new ArgumentOutOfRangeException(nameof(ColumnIndex), $"Excel-{nameof(ColumnIndex)} starts with 1.");
}
configuration = new ExcelPropertyConfiguration();
this.configuration.ColumnIndex = ColumnIndex;
this.configuration.DefaultValue = DefaultValue;
this.configuration.ColumnHeader = ColumnHeaderText;
//if cell parser is supplied is has to implement the correct interface
if (cellParser != null)
{
if (cellParser.GetInterface(nameof(ICellParser)) == null)
{
throw new ArgumentOutOfRangeException(nameof(cellParser), $"{nameof(cellParser)} must implement HEAL.Entities.Objects.Excel.ICellParser.");
}
//create instance
var instance = (ICellParser)Activator.CreateInstance(cellParser);
this.configuration.CellParserFunction = instance.ParseValue;
}
else
{
this.configuration.CellParserFunction = null;
}
}
/// <summary>
/// Configures how this specific attribute is parsed from an Excel-File.
/// </summary>
/// <param name="ColumnIndex">e.g. 'A' or 'AB'</param>
/// <param name="DefaultValue">Default-Value used if cell values is null or empty; Excel-Value is not replaced if <see cref="DefaultValue"/> is kept null</param>
/// <param name="CellParser">Parses a string value to the property-type. This Type implements <see cref="ICellParser"/> with empty constructor.</param>
/// <param name="WriteStyleNumberformatFormat">e.g. '€#,##0.00': used for writing back into excel to specify cell format </param>
public ExcelColumnConfigurationAttribute(string columnAddress, string ColumnHeaderText = null, object DefaultValue = null, Type cellParser = null)
: this(ExcelPropertyConfiguration.ColumnNumber(columnAddress), ColumnHeaderText, DefaultValue, cellParser)
{
}
