public GridColumn(Expression <Func <T, TDataType> > expression, CGrid <T> grid)
{
#region Setup defaults
EncodeEnabled = true;
SortEnabled = false;
SanitizeEnabled = true;
Hidden = false;
_filterWidgetTypeName = PropertiesHelper.GetUnderlyingType(typeof(TDataType)).FullName;
_grid = grid;
#endregion
if (expression != null)
{
var expr = expression.Body as MemberExpression;
if (expr == null)
{
throw new ArgumentException(
string.Format("Expression '{0}' must be a member expression", expression),
"expression");
}
_constraint = expression.Compile();
_orderers.Insert(0, new OrderByGridOrderer <T, TDataType>(expression));
_filter = new DefaultColumnFilter <T, TDataType>(expression);
_search = new DefaultColumnSearch <T, TDataType>(expression);
_group = new DefaultColumnGroup <T, TDataType>(expression);
//Generate unique column name:
Name = PropertiesHelper.BuildColumnNameFromMemberExpression(expr);
Title = Name; //Using the same name by default
}
}
private void VerifyRowCount(IColumnGroup columnGroup)
{
if (RowCount != columnGroup.RowCount)
{
throw new ArgumentException(string.Format(@"Expected row count:{0} actual:{1}", RowCount, columnGroup.RowCount));
}
}
public IList <object> GetGroupValues(IColumnGroup <T> group, IEnumerable <object> items)
{
if (group == null)
{
return(new List <object>());
}
return(group.GetColumnValues((items as IEnumerable <T>).AsQueryable()).ToList());
}
public DataFrame SetRowHeaders(IColumnGroup rowHeaders)
{
if (null == rowHeaders)
{
return((DataFrame)RemoveRowHeader());
}
VerifyRowCount(rowHeaders);
return(new DataFrame(Title, RowCount)
{
RowHeader = rowHeaders,
ColumnGroups = ColumnGroups
});
}
public DataFrame SetRowHeaders(IColumnGroup rowHeaders)
{
if (null == rowHeaders)
{
return (DataFrame) RemoveRowHeader();
}
VerifyRowCount(rowHeaders);
return new DataFrame(Title, RowCount)
{
RowHeader = rowHeaders,
ColumnGroups = ColumnGroups
};
}
public DataFrameBuilder AddColumn(IColumnGroup column)
{
return SetDataFrame(DataFrame.AddColumn(column));
}
public IList <object> GetGroupValues(IColumnGroup <T> group, IEnumerable <object> items)
{
return(_source.GetGroupValues(group, items));
}
public DataFrame AddColumn(IColumnGroup column)
{
return AddColumns(new[] {column});
}
public DataFrame(string title, IColumnGroup rowHeaders)
: this(title, rowHeaders.RowCount)
{
RowHeader = rowHeaders;
}
/// <summary>
/// Constructs a DataFrame with zero columns and the specified number of rows.
/// </summary>
public DataFrame(string title, int rowCount)
{
Title = title;
RowCount = rowCount;
ColumnGroups = new IColumnGroup[0];
}
private void VerifyRowCount(IColumnGroup columnGroup)
{
if (RowCount != columnGroup.RowCount)
{
throw new ArgumentException(string.Format("Expected row count:{0} actual:{1}", RowCount, columnGroup.RowCount)); // Not L10N
}
}
public DataFrame AddColumn(IColumnGroup column)
{
return(AddColumns(new[] { column }));
}
public DataFrame(string title, IColumnGroup rowHeaders) : this(title, rowHeaders.RowCount)
{
RowHeader = rowHeaders;
}
/// <summary>
/// Constructs a DataFrame with zero columns and the specified number of rows.
/// </summary>
public DataFrame(string title, int rowCount)
{
Title = title;
RowCount = rowCount;
ColumnGroups = new IColumnGroup[0];
}
public DataFrameBuilder AddColumn(IColumnGroup column)
{
return(SetDataFrame(DataFrame.AddColumn(column)));
}