static internal void RenderCheckBox(
Graphics g, GridFilter gf, GridColumn column, Rectangle bounds)
{
object value = column.FilterValue;
if (_sizeCheckBox == null)
{
_sizeCheckBox = new MyCheckBoxX();
_sizeCheckBox.Text = "";
_sizeCheckBox.BackColor = Color.Transparent;
}
_sizeCheckBox.Enabled = false;
_sizeCheckBox.Size = new Size(20, 20);
_sizeCheckBox.BackColor = GetSimpleColor(gf.GetEffectiveStyle(column));
if (value is CheckState)
_sizeCheckBox.CheckState = (CheckState)value;
else
_sizeCheckBox.CheckState = CheckState.Indeterminate;
Rectangle r = new Rectangle(0, 0, 20, 20);
using (Bitmap bm = new Bitmap(20, 20))
{
_sizeCheckBox.DrawToBitmap(bm, r);
Rectangle t = bounds;
if (bounds.Width > r.Width)
{
t.X += (t.Width - r.Width - 1) / 2;
t.Width = r.Width;
}
if (bounds.Height > r.Height)
{
t.Y += (t.Height - r.Height) / 2;
t.Height = r.Height;
}
g.DrawImage(bm, t);
}
}
static internal Size GetPreferredSize(
GridFilter gridFilter, GridColumn gridColumn)
{
Size size = Size.Empty;
FilterEditType type = gridColumn.GetFilterPanelType();
switch (type)
{
case FilterEditType.ComboBox:
if (_sizeComboBox == null)
_sizeComboBox = new ComboBoxEx();
_sizeComboBox.Font = gridFilter.GetEffectiveStyle(gridColumn).Font;
size = _sizeComboBox.GetPreferredSize(Size.Empty);
break;
case FilterEditType.TextBox:
case FilterEditType.DateTime:
if (_sizeTextBox == null)
_sizeTextBox = new TextBoxX();
_sizeTextBox.BorderStyle = BorderStyle.None;
_sizeTextBox.Font = gridFilter.GetEffectiveStyle(gridColumn).Font;
size = _sizeTextBox.GetPreferredSize(Size.Empty);
break;
case FilterEditType.CheckBox:
if (_sizeCheckBox == null)
_sizeCheckBox = new MyCheckBoxX();
size = new Size(20, 20);
break;
}
return (size);
}