/// <summary>
/// Create records from a collection
/// </summary>
/// <typeparam name="TType">Type of the collection</typeparam>
/// <param name="values">The collection to create records from</param>
/// <returns>Created records</returns>
/// <exception cref="WebExtras.Core.InvalidUsageException"></exception>
public static DatatableRecords From <TType>(ICollection <TType> values)
where TType : class
{
List <string[]> data = new List <string[]>();
if (values == null)
{
return(new DatatableRecords());
}
if (!values.Any())
{
return(new DatatableRecords());
}
Type t = typeof(TType);
foreach (TType value in values)
{
List <KeyValuePair <int, string> > indexedValues = new List <KeyValuePair <int, string> >();
PropertyInfo[] props = value.GetType().GetProperties();
foreach (PropertyInfo prop in props)
{
AOColumnAttribute[] attribs = (AOColumnAttribute[])prop.GetCustomAttributes(typeof(AOColumnAttribute), false);
if (attribs.Length == 0)
{
continue;
}
if (attribs.Length > 1)
{
throw new InvalidUsageException(
string.Format("The property '{0}' on '{1}' can not have multiple decorations of AOColumn attribute", prop.Name, t.FullName));
}
// fact that we got here means that the current property is an AOColumn
IValueFormatter formatter = (IValueFormatter)(attribs[0].ValueFormatter == null ?
new DefaultValueFormatter() :
Activator.CreateInstance(attribs[0].ValueFormatter));
string val = formatter.Format(prop.GetValue(value, null), attribs[0].FormatString, value);
indexedValues.Add(new KeyValuePair <int, string>(attribs[0].Index, val));
}
data.Add(indexedValues.OrderBy(f => f.Key).Select(g => g.Value).ToArray());
}
DatatableRecords records = new DatatableRecords
{
iTotalDisplayRecords = data.Count,
iTotalRecords = data.Count,
aaData = data.ToArray()
};
return(records);
}
/// <summary>
/// Constructor. Note. The column specifications must be defined via the DatatableSettings constructor
/// </summary>
/// <param name="id">HTML field ID for the Datatable</param>
/// <param name="settings">Datatable settings</param>
/// <param name="records">Datatable records</param>
/// <param name="postbacks">[Optional] Postback data for server side processing</param>
/// <param name="enableStatusColumn">[Optional] flag indicating whether to enable status column. Defaults to false</param>
public Datatable(string id, DatatableSettings settings, DatatableRecords records, IEnumerable <PostbackItem> postbacks = null, bool enableStatusColumn = false)
{
if (settings.aoColumns == null)
{
throw new NullReferenceException("Column setup not done. DatatableSettings.aoColumns property must be set in order to compose the datatable");
}
ID = id.Replace("-", "_");
Settings = settings;
Records = records;
Postbacks = postbacks != null?postbacks.ToArray() : new PostbackItem[0];
EnableStatusColumn = enableStatusColumn;
if (EnableStatusColumn)
{
settings.aoColumns = settings.aoColumns.Concat(new[] { new AOColumn {
bVisible = false
} }).ToArray();
settings.SetupfnCreatedRow();
}
settings.SetupfnServerData(Postbacks);
}
///// <summary>
///// Constructor
///// </summary>
///// <param name="settings">Datatable settings</param>
///// <param name="columns">Datatable column specifications</param>
///// <param name="records">Datatable records</param>
///// <param name="postbacks">[Optional] Postback data for server side processing</param>
///// <param name="enableStatusColumn">[Optional] flag indicating whether to enable status column. Defaults to false</param>
//[Obsolete("Use Ctor(settings, records, postbacks, enableStatusColumn) instead")]
//public Datatable(DatatableSettings settings, IEnumerable<DatatableColumn> columns,
// DatatableRecords records, IEnumerable<PostbackItem> postbacks = null, bool enableStatusColumn = false)
// : this(string.Format("autogen-{0}", Guid.NewGuid()), settings, columns, records, postbacks, enableStatusColumn) { }
///// <summary>
///// Constructor to initialize with an HTML field ID
///// </summary>
///// <param name="id">HTML field ID for the Datatable</param>
///// <param name="settings">Datatable settings</param>
///// <param name="columns">Datatable column specifications</param>
///// <param name="records">Datatable records</param>
///// <param name="postbacks">[Optional] Postback data for server side processing</param>
///// <param name="enableStatusColumn">[Optional] flag indicating whether to enable status column. Defaults to false</param>
//[Obsolete("Use Ctor(id, settings, records, postbacks, enableStatusColumn) instead")]
//public Datatable(string id, DatatableSettings settings, IEnumerable<DatatableColumn> columns,
// DatatableRecords records, IEnumerable<PostbackItem> postbacks = null, bool enableStatusColumn = false)
//{
// ID = id.Replace("-", "_");
// Settings = settings;
// // sanitize the datatable column widths
// IEnumerable<DatatableColumn> datatableColumns = columns as DatatableColumn[] ?? columns.ToArray();
// int nullWidthColumns = datatableColumns.Count(f => !f.Width.HasValue);
// int widthAssigned = datatableColumns.Select(f => f.Width != null ? f.Width.Value : 0).Sum();
// int widthLeft = 100 - widthAssigned;
// datatableColumns.Where(f => !f.Width.HasValue).ToList().ForEach(f => { f.Width = widthLeft / nullWidthColumns; });
// // setup the status column if the flag is set
// if (enableStatusColumn)
// datatableColumns = datatableColumns.Concat(new[] { new DatatableColumn("", visible: false, bSortable: false) });
// // if the aoColumns were not setup then do a default setup
// if (settings.aoColumns == null)
// settings.SetupAOColumns(datatableColumns);
// Columns = datatableColumns.ToArray();
// Records = records;
// Postbacks = postbacks != null ? postbacks.ToArray() : new PostbackItem[0];
// EnableStatusColumn = enableStatusColumn;
//}
/// <summary>
/// Constructor. Note. The column specifications must be defined via the DatatableSettings constructor
/// </summary>
/// <param name="settings">Datatable settings</param>
/// <param name="records">Datatable records</param>
/// <param name="postbacks">[Optional] Postback data for server side processing</param>
/// <param name="enableStatusColumn">[Optional] flag indicating whether to enable status column. Defaults to false</param>
public Datatable(DatatableSettings settings, DatatableRecords records, IEnumerable <PostbackItem> postbacks = null, bool enableStatusColumn = false) :
this(string.Format("autogen-{0}", Guid.NewGuid()), settings, records, postbacks, enableStatusColumn)
{
}
