/// <summary>
/// Map property to a column by specified column index(zero-based) and property selector.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="mapper">The <see cref="Mapper"/> object.</param>
/// <param name="columnIndex">The column index.</param>
/// <param name="propertySelector">Property selector.</param>
/// <param name="exportedColumnName">The column name for export.</param>
/// <param name="tryTake">The function try to import from cell value to the target object.</param>
/// <param name="tryPut">The function try to export source object to the cell.</param>
/// <returns>The mapper object.</returns>
public static Mapper Map <T>(this Mapper mapper, ushort columnIndex, Expression <Func <T, object> > propertySelector, string exportedColumnName,
Func <IColumnInfo, object, bool> tryTake = null,
Func <IColumnInfo, object, bool> tryPut = null)
{
if (mapper == null)
{
throw new ArgumentNullException(nameof(mapper));
}
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
throw new InvalidOperationException($"Cannot find the property specified by the selector.");
}
var columnAttribute = new ColumnAttribute
{
Property = pi,
Index = columnIndex,
Name = exportedColumnName,
TryPut = tryPut,
TryTake = tryTake,
Ignored = false
};
return(mapper.Map(columnAttribute));
}
/*
* Removed this method in v3 since this is rarely used but just increased internal complexity.
*
/// <summary>
/// Specify the built-in format.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="builtinFormat">The built-in format, see https://poi.apache.org/apidocs/org/apache/poi/ss/usermodel/BuiltinFormats.html for possible values.</param>
/// <param name="propertySelector">Property selector.</param>
/// <returns>The mapper object.</returns>
[Obsolete("Builtin format will not be supported in next major release!")]
public Mapper Format<T>(short builtinFormat, Expression<Func<T, object>> propertySelector)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null) return this;
new ColumnAttribute { Property = pi, BuiltinFormat = builtinFormat }.MergeTo(Attributes);
return this;
}
*/
/// <summary>
/// Specify the custom format.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="customFormat">The custom format, see https://support.office.com/en-nz/article/Create-or-delete-a-custom-number-format-78f2a361-936b-4c03-8772-09fab54be7f4 for the syntax.</param>
/// <param name="propertySelector">Property selector.</param>
/// <returns>The mapper object.</returns>
public Mapper Format<T>(string customFormat, Expression<Func<T, object>> propertySelector)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null) return this;
new ColumnAttribute { Property = pi, CustomFormat = customFormat }.MergeTo(Attributes);
return this;
}
/// <summary>
/// Specify to ignore a property. Ignored property will not be mapped for import and export.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="propertySelector">Property selector.</param>
/// <returns>The mapper object.</returns>
public Mapper Ignore<T>(Expression<Func<T, object>> propertySelector)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null) return this;
new ColumnAttribute { Property = pi, Ignored = true }.MergeTo(Attributes);
return this;
}
/// <summary>
/// Specify the built-in format.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="builtinFormat">The built-in format, see https://poi.apache.org/apidocs/org/apache/poi/ss/usermodel/BuiltinFormats.html for possible values.</param>
/// <param name="propertySelector">Property selector.</param>
/// <returns>The mapper object.</returns>
public Mapper Format <T>(short builtinFormat, Expression <Func <T, object> > propertySelector)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
return(this);
}
new ColumnAttribute {
Property = pi, BuiltinFormat = builtinFormat
}.MergeTo(Attributes);
return(this);
}
/// <summary>
/// Specify to use last non-blank value from above cell for a property.
/// Typically to address the blank cell issue in merged cells.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="propertySelector">Property selector.</param>
/// <returns>The mapper object.</returns>
public Mapper UseLastNonBlankValue <T>(Expression <Func <T, object> > propertySelector)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
return(this);
}
new ColumnAttribute {
Property = pi, UseLastNonBlankValue = true
}.MergeTo(Attributes);
return(this);
}
/// <summary>
/// Ignores all errors for the specified property.
/// </summary>
/// <param name="mapper">The <see cref="Mapper"/> object.</param>
/// <param name="propertySelector">Property selector.</param>
/// <returns>The mapper object.</returns>
public static Mapper IgnoreErrorsFor <T>(this Mapper mapper, Expression <Func <T, object> > propertySelector)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
throw new InvalidOperationException($"Cannot find the property specified by the selector.");
}
var columnAttribute = new ColumnAttribute
{
Property = pi,
IgnoreErrors = true
};
return(mapper.Map(columnAttribute));
}
/// <summary>
/// Map property to a column by specified column index(zero-based) and property selector.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="mapper">The <see cref="Mapper"/> object.</param>
/// <param name="columnIndex">The column index.</param>
/// <param name="propertySelector">Property selector.</param>
/// <param name="tryTake">The function try to import from cell value to the target object.</param>
/// <param name="tryPut">The function try to export source object to the cell.</param>
/// <returns>The mapper object.</returns>
public static Mapper Map <T>(this Mapper mapper, ushort columnIndex, Expression <Func <T, object> > propertySelector,
Func <IColumnInfo, object, bool> tryTake = null,
Func <IColumnInfo, object, bool> tryPut = null)
{
if (mapper == null)
{
throw new ArgumentNullException(nameof(mapper));
}
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
throw new InvalidOperationException($"Cannot find the property specified by the selector.");
}
return(mapper.Map(columnIndex, pi, tryTake, tryPut));
}
/// <summary>
/// Map property to a column by specified column index(zero-based).
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="columnIndex">The column index.</param>
/// <param name="propertySelector">Property selector.</param>
/// <param name="resolverType">
/// The type of custom header and cell resolver that derived from <see cref="IColumnResolver{TTarget}"/>.
/// </param>
/// <returns>The mapper object.</returns>
public Mapper Map <T>(ushort columnIndex, Expression <Func <T, object> > propertySelector, Type resolverType = null)
{
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
return(this);
}
new ColumnAttribute
{
Property = pi,
Index = columnIndex,
ResolverType = resolverType,
Ignored = false
}.MergeTo(Attributes);
return(this);
}
/// <summary>
/// Map property to a column by specified column name.
/// </summary>
/// <typeparam name="T">The target object type.</typeparam>
/// <param name="columnName">The column name.</param>
/// <param name="propertySelector">Property selector.</param>
/// <param name="resolverType">
/// The type of custom header and cell resolver that derived from <see cref="IColumnResolver{TTarget}"/>.
/// </param>
/// <returns>The mapper object.</returns>
public Mapper Map <T>(string columnName, Expression <Func <T, object> > propertySelector, Type resolverType = null)
{
if (columnName == null)
{
throw new ArgumentNullException(nameof(columnName));
}
var pi = MapHelper.GetPropertyInfoByExpression(propertySelector);
if (pi == null)
{
return(this);
}
new ColumnAttribute
{
Property = pi,
Name = columnName,
ResolverType = resolverType,
Ignored = false
}.MergeTo(Attributes);
return(this);
}
