/// <summary>
/// Constructor
/// </summary>
public DataGridViewDoubleInputColumn()
{
CellTemplate = new DataGridViewDoubleInputCell();
_DoubleInput = new DoubleInput();
_DoubleInput.BackgroundStyle.Class = ElementStyleClassKeys.DataGridViewNumericBorderKey;
_DoubleInput.Visible = false;
}
private float? GetOptionalFloat(DoubleInput textbox, CheckBoxX checkBox)
{
return checkBox.Checked ? (float?)textbox.Value : null;
}
private void LoadOptionalFloat(float? source, DoubleInput target, CheckBoxX checkBox)
{
checkBox.Checked = source != null;
if (source != null) target.Value = source.Value;
}
/// <summary>
/// DrawText
/// </summary>
/// <param name="di"></param>
/// <param name="r"></param>
/// <param name="g"></param>
private void DrawText(DoubleInput di, Rectangle r, Graphics g)
{
r.Inflate(-2, 0);
eTextFormat tf = eTextFormat.VerticalCenter;
switch (di.InputHorizontalAlignment)
{
case eHorizontalAlignment.Center:
tf |= eTextFormat.HorizontalCenter;
break;
case eHorizontalAlignment.Right:
tf |= eTextFormat.Right;
break;
}
TextDrawing.DrawString(g, di.Text, di.Font, di.ForeColor, r, tf);
}
/// <summary>
/// DrawControl
/// </summary>
/// <param name="di"></param>
/// <param name="r"></param>
/// <param name="g"></param>
private void DrawControl(DoubleInput di, Rectangle r, Graphics g)
{
GraphicsState gs = g.Save();
try
{
g.TranslateTransform(r.X, r.Y);
di.Width = r.Width;
di.InternalPaint(new PaintEventArgs(g, Rectangle.Empty));
}
finally
{
g.Restore(gs);
}
}
