/// <summary>
/// Sets the content of a <see cref="T:System.Windows.Controls.Border" /> element used to display the value of a data
/// cell.
/// </summary>
/// <param name="grid">
/// <see cref="T:C1.WPF.FlexGrid.C1FlexGrid" /> that owns the cell.
/// </param>
/// <param name="bdr">
/// <see cref="T:System.Windows.Controls.Border" /> element that contains the header.
/// </param>
/// <param name="rng">
/// <see cref="T:C1.WPF.FlexGrid.CellRange" /> that specifies the row and column represented by the cell.
/// </param>
public virtual void CreateCellContentEditor(C1FlexGrid grid, Border bdr, CellRange rng)
{
Row row = grid.Rows[rng.Row];
Column column = grid.Columns[rng.Column];
GroupRow groupRow = row as GroupRow;
if (row.DataItem != null)
{
DataTemplate template = (column.CellEditingTemplate ?? column.CellTemplate);
if (template != null)
{
bdr.Padding = GetTemplatePadding(bdr.Padding);
bdr.Child = GetTemplatedCell(grid, template);
return;
}
}
Brush editorForeground = grid.EditorForeground ?? grid.CursorForeground ?? grid.SelectionForeground;
Binding binding = column.GetEditBinding(grid.Rows[rng.Row]);
if (grid.EditableCollectionView != null && Equals(bdr.DataContext, grid.EditableCollectionView.CurrentAddItem))
{
binding = Util.Util.CloneBinding(binding);
Util.Util.SetBindingValidation(binding, false);
}
bool gridHasChildren = grid.GetChildItemsPropertyInfo() != null;
Type dataType = column.DataType;
if ((groupRow == null || gridHasChildren) && (dataType == typeof (bool) || dataType == typeof (bool?)))
{
CheckBox cb = new CheckBox();
cb.IsThreeState = dataType == typeof (bool?);
cb.HorizontalAlignment = HorizontalAlignment.Center;
cb.VerticalAlignment = VerticalAlignment.Center;
if (editorForeground != null)
{
cb.Foreground = editorForeground;
}
bdr.Child = cb;
if (binding != null)
{
cb.SetBinding(ToggleButton.IsCheckedProperty, binding);
}
cb.FocusVisualStyle = null;
}
else
{
C1FlexComboBox comboBox = new C1FlexComboBox();
comboBox.VerticalAlignment = VerticalAlignment.Center;
if (editorForeground != null)
{
comboBox.Foreground = editorForeground;
}
bdr.Child = comboBox;
Thickness padding = bdr.Padding;
Thickness thickness = bdr.Padding;
bdr.Padding = new Thickness(padding.Left - 2, 0, thickness.Right - 2, 0);
if (binding == null)
{
object obj = grid[rng.Row, rng.Column];
if (obj != null)
{
comboBox.Text = obj.ToString();
}
}
else
{
comboBox.SetBinding(TextBox.TextProperty, binding);
}
IEditValueConverter converter = column.ValueConverter as IEditValueConverter;
if (converter != null)
{
comboBox.DropDownItems = converter.Values;
comboBox.IsEditable = !converter.Exclusive;
}
}
ApplyCellStyles(grid, grid.Cells, rng, bdr, true);
}
private void AddAutoCompleteItems(int row, int col, C1FlexComboBox cmb)
{
Type type = _grid.Columns[col].DataType.GetNonNullableType();
if (type == typeof (object) || type == typeof (string) || type.IsEnum)
{
int count = _grid.Rows.Count;
var dictionary = new Dictionary<string, bool>(StringComparer.OrdinalIgnoreCase);
for (int i = 0; i < count && dictionary.Count < 100; i++)
{
int num = (count + row - i - 1)%count;
object o = _grid[num, col];
if (o != null)
{
dictionary[o.ToString()] = true;
}
}
if (dictionary.Count > 0)
{
cmb.DropDownItems = dictionary.Keys;
cmb.IsDropDownEnabled = false;
}
}
}
