/// <summary>
/// Appends the specified style parts to the current one. The parts can be instances of sub-classes like Border or CellXf or a Style instance. Only the altered properties of the specified style or style part that differs from a new / untouched style instance will be appended. This enables method chaining
/// </summary>
/// <param name="styleToAppend">The style to append or a sub-class of Style</param>
/// <returns>Current style with appended style parts</returns>
public Style Append(AbstractStyle styleToAppend)
{
if (styleToAppend.GetType() == typeof(Border))
{
CurrentBorder.CopyProperties<Border>((Border)styleToAppend, new Border());
}
else if (styleToAppend.GetType() == typeof(CellXf))
{
CurrentCellXf.CopyProperties<CellXf>((CellXf)styleToAppend, new CellXf());
}
else if (styleToAppend.GetType() == typeof(Fill))
{
CurrentFill.CopyProperties<Fill>((Fill)styleToAppend, new Fill());
}
else if (styleToAppend.GetType() == typeof(Font))
{
CurrentFont.CopyProperties<Font>((Font)styleToAppend, new Font());
}
else if (styleToAppend.GetType() == typeof(NumberFormat))
{
CurrentNumberFormat.CopyProperties<NumberFormat>((NumberFormat)styleToAppend, new NumberFormat());
}
else if (styleToAppend.GetType() == typeof(Style))
{
CurrentBorder.CopyProperties<Border>(((Style)styleToAppend).CurrentBorder, new Border());
CurrentCellXf.CopyProperties<CellXf>(((Style)styleToAppend).CurrentCellXf, new CellXf());
CurrentFill.CopyProperties<Fill>(((Style)styleToAppend).CurrentFill, new Fill());
CurrentFont.CopyProperties<Font>(((Style)styleToAppend).CurrentFont, new Font());
CurrentNumberFormat.CopyProperties<NumberFormat>(((Style)styleToAppend).CurrentNumberFormat, new NumberFormat());
}
return this;
}
