private String GetValue(Object model, String fullPropertyName)
{
if (model == null)
{
return("");
}
Type type = model.GetType();
String[] properties = fullPropertyName.Split('.');
PropertyInfo property = type.GetProperty(properties[0]);
if (property == null)
{
throw new DatalistException(String.Format("'{0}' type does not have property named '{1}'.", type.Name, properties[0]));
}
if (properties.Length > 1)
{
return(GetValue(property.GetValue(model), String.Join(".", properties.Skip(1))));
}
Object value = property.GetValue(model) ?? "";
DatalistColumnAttribute column = property.GetCustomAttribute <DatalistColumnAttribute>(false);
if (column != null && column.Format != null)
{
value = String.Format(column.Format, value);
}
return(value.ToString());
}
protected virtual String GetColumnKey(PropertyInfo property)
{
if (property == null)
{
throw new ArgumentNullException("property");
}
DatalistColumnAttribute column = property.GetCustomAttribute <DatalistColumnAttribute>(false);
if (column != null && column.Relation != null)
{
return(property.Name + "." + GetColumnKey(GetRelationProperty(property, column.Relation)));
}
return(property.Name);
}
protected MvcDatalist()
{
Id = (model) => GetValue(model, "Id");
Autocomplete = (model) => GetValue(model, Columns.Where(col => !col.Hidden).Select(col => col.Key).FirstOrDefault() ?? "");
foreach (PropertyInfo property in AttributedProperties)
{
DatalistColumnAttribute column = property.GetCustomAttribute <DatalistColumnAttribute>(false);
Columns.Add(new DatalistColumn(GetColumnKey(property), GetColumnHeader(property))
{
CssClass = GetColumnCssClass(property),
Filterable = column.Filterable,
Hidden = column.Hidden
});
}
}
private String GetValue(T model, String propertyName)
{
PropertyInfo property = typeof(T).GetProperty(propertyName);
if (property == null)
{
return(null);
}
DatalistColumnAttribute column = property.GetCustomAttribute <DatalistColumnAttribute>(false);
if (column?.Format != null)
{
return(String.Format(column.Format, property.GetValue(model)));
}
return(property.GetValue(model)?.ToString());
}
protected virtual String GetColumnHeader(PropertyInfo property)
{
if (property == null)
{
throw new ArgumentNullException("property");
}
DatalistColumnAttribute column = property.GetCustomAttribute <DatalistColumnAttribute>(false);
if (column != null && column.Relation != null)
{
return(GetColumnHeader(GetRelationProperty(property, column.Relation)));
}
DisplayAttribute header = property.GetCustomAttribute <DisplayAttribute>(false);
if (header != null)
{
return(header.GetName());
}
return(property.Name);
}