public static DataGridColumn Create(RelationalColumn column)
{
var sheetDef = column.Header.SheetDefinition;
Type defType = null;
if (sheetDef != null)
defType = sheetDef.GetValueType(column.Index);
var targetType = defType ?? column.Reader.Type;
var header = BuildHeader(column);
var binding = CreateCellBinding(column);
DataGridColumn target = null;
if (column.Header.Variant == 1) {
if (typeof(SaintCoinach.Imaging.ImageFile).IsAssignableFrom(targetType))
target = new RawDataGridImageColumn(column) {
Binding = binding,
};
else if (typeof(System.Drawing.Color).IsAssignableFrom(targetType))
target = new RawDataGridColorColumn(column) {
Binding = binding
};
}
target = target ?? new RawDataGridTextColumn(column) {
Binding = binding
};
target.Header = header;
target.IsReadOnly = true;
target.CanUserSort = true;
return target;
}
private static Binding CreateCellBinding(RelationalColumn column)
{
return new Binding {
Converter = CellConverterInstance,
ConverterParameter = column.Index,
Mode = BindingMode.OneWay
};
}
private static string BuildHeader(RelationalColumn column)
{
var sb = new StringBuilder();
sb.Append(column.Index);
if (!string.IsNullOrWhiteSpace(column.Name))
sb.AppendFormat(": {0}", column.Name);
sb.Append(Environment.NewLine);
sb.Append(column.Reader.Type.Name);
if (column.ValueType != column.Reader.Name)
sb.AppendFormat(" > {0}", column.ValueType);
return sb.ToString();
}
public IRelationalRow IndexedLookup(string indexName, int key)
{
if (key == 0)
{
return(null);
}
RelationalDataIndex <T> index = _indexes.GetOrAdd(indexName, i => {
RelationalColumn column = Header.FindColumn(indexName);
if (column == null)
{
throw new KeyNotFoundException();
}
return(new RelationalDataIndex <T>(this, column));
});
return(index[key]);
}