public static List <ExportProperty> ReadMetadata(Type exportType)
{
// Prepare output
var exportProperties = new List <ExportProperty>();
// Get properties and prepare
exportType.GetProperties().ToList().ForEach(property =>
{
// Create with defaults
var exportProperty = new ExportProperty
{
Header = property.Name,
Property = new ExportPropertyInfo(property)
};
// Apply settings from attribute if given
var exportAttribute = property.GetCustomAttributes(typeof(ExportToExcelAttribute), false).FirstOrDefault() as ExportToExcelAttribute;
if (exportAttribute != null && !exportAttribute.Ignore)
{
ApplyExportAttributeToProperty(exportAttribute, exportProperty);
}
// Add to collection if not ignored
if (exportAttribute == null || !exportAttribute.Ignore)
{
exportProperties.Add(exportProperty);
}
});
return(exportProperties);
}
private static void ApplyExportAttributeToProperty(ExportToExcelAttribute attribute, ExportProperty property)
{
if (!string.IsNullOrEmpty(attribute.Header))
{
property.Header = attribute.Header;
}
if (!string.IsNullOrEmpty(attribute.StringFormat))
{
property.Format = attribute.StringFormat;
}
if (!string.IsNullOrEmpty(attribute.DisplayMemberPath))
{
var parts = attribute.DisplayMemberPath.Split('.');
var currentParentProperty = property.Property;
for (var partIndex = 0; partIndex < parts.Length; partIndex++)
{
var part = parts[partIndex];
var partProperty = currentParentProperty.PropertyInfo.PropertyType.GetProperty(part);
var partExportProperty = new ExportPropertyInfo(partProperty);
currentParentProperty.InnerProperty = partExportProperty;
currentParentProperty = partExportProperty;
}
}
}
