// bind custom column (non-auto generated)
internal void BindColumn(Column c)
{
var b = c.Binding;
if (b != null)
{
// get path from binding (may be null)
var path = b.Path != null ? b.Path.Path : string.Empty;
// get PropertyInfo from binding
PropertyInfo cpi = null;
if (_props != null && b.Path != null && _props.TryGetValue(path, out cpi))
{
c.PropertyInfo = cpi;
if (c.PropertyInfo == null && (c.DataType == null || c.DataType == typeof(object)))
{
c.DataType = cpi.PropertyType;
}
}
// set column name if empty
if (string.IsNullOrEmpty(c.ColumnName))
{
c.ColumnName = cpi != null ? cpi.Name : path;
}
}
}
// initialize auto column properties based on data type
void InitializeAutoColumn(Column c, Type type)
{
// save column type
c.DataType = type;
// handle nullable types
type = type.GetNonNullableType();
// initialize column properties based on type
if (type == typeof(string))
{
c.Width = new GridLength(180);
}
else if (type.IsNumericIntegral())
{
c.Width = new GridLength(80);
c.Format = "n0";
}
else if (type.IsNumericNonIntegral())
{
c.Width = new GridLength(80);
c.Format = "n2";
}
else if (type == typeof(bool))
{
c.Width = new GridLength(60);
}
else if (type == typeof(DateTime))
{
c.Format = "d";
}
}
void BindAutoColumn(Column c, Type type)
{
c.Header = type != null ? type.Name : null;
var b = new Binding();
if (c.BoundPropertyName == null)
{
b.Mode = BindingMode.OneWay;
}
c.Binding = b;
InitializeAutoColumn(c, type);
}
void BindAutoColumn(Column c, PropertyInfo cpi)
{
// create automatic binding (property name may be enclosed in square brackets)
var name = cpi.Name;
List<char> specialChar = new List<char>() { '/', '.' };
bool containsSpecialChar = specialChar.Any(letter => name.Contains(letter));
if (name != null && name.StartsWith("[") && name.EndsWith("]") && !containsSpecialChar)
{
name = name.Substring(1, name.Length - 2);
}
var b = new Binding { Path = new PropertyPath(name) };
b.Mode = !cpi.CanWrite ? BindingMode.OneWay : BindingMode.TwoWay;
// assign name, binding, property info to column (pi after b!!!!)
c.ColumnName = cpi.Name;
c.Binding = b;
c.PropertyInfo = cpi;
// initialize alignment, format, etc
InitializeAutoColumn(c, cpi.PropertyType);
}
void GenerateColumns(Dictionary<string, PropertyInfo> props)
{
if (props.Count == 0 && _view != null)
{
// special case: binding directly to primitive types (int, string, etc)
var type = GetItemType(_view);
if (Util.Util.IsPrimitive(type))
{
var col = new Column();
BindAutoColumn(col, type);
col.AutoGenerated = true;
Columns.Add(col);
}
}
else
{
// generate one column for each property
foreach (var cpi in props.Values)
{
var col = new Column();
BindAutoColumn(col, cpi);
col.AutoGenerated = true;
Columns.Add(col);
}
}
}
public SortingColumnEventArgs(Column col)
{
Column = col;
}
