private void ValidateText()
{
PersianDate date;
string txt = this.Text.Replace('_', ' ');
if (PersianDate.TryParse(txt, out date))
{
this.PersianSelectedDate = date;
this.DisplayDate = date;
this.Text = date.ToString();
}
else
{
this.PersianSelectedDate = null;
this.DisplayDate = this.PersianSelectedDate ?? PersianDate.Today;
if (this.AllowNull)
{
this.Text = "____/__/__";
}
else
{
this.Text = this.PersianSelectedDate.ToString();
}
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is string)
{
string converting = (string)value;
if (string.IsNullOrEmpty(converting))
{
return(null);
}
if (CultureHelper.IsFarsiCulture())
{
PersianDate pd;
if (PersianDate.TryParse(converting, out pd))
{
return(pd);
}
}
else
{
DateTime dt;
if (DateTime.TryParse(converting, out dt))
{
return(dt.ToPersianDate());
}
}
}
return(null);
}
static void OnSelectedDateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PersianDatePicker pdp = d as PersianDatePicker;
var date = e.NewValue as DateTime?;
if (date != null)
{
if (pdp.PersianSelectedDate == null || pdp.PersianSelectedDate.ToDateTime() != date.Value)
{
PersianDate newDate;
if (PersianDate.TryParse(date.Value, out newDate))
{
d.SetValue(PersianSelectedDateProperty, newDate);
}
else
{
d.SetValue(PersianSelectedDateProperty, null);
}
}
}
else
{
d.SetValue(PersianSelectedDateProperty, null);
}
}
protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex,
DataGridViewElementStates cellState, object value, object formattedValue,
string errorText, DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts)
{
if (DataGridView == null)
{
return;
}
// First paint the borders and background of the cell.
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, paintParts & ~(DataGridViewPaintParts.ErrorIcon | DataGridViewPaintParts.ContentForeground));
var ptCurrentCell = DataGridView.CurrentCellAddress;
var cellCurrent = ptCurrentCell.X == ColumnIndex && ptCurrentCell.Y == rowIndex;
var cellEdited = cellCurrent && DataGridView.EditingControl != null;
// If the cell is in editing mode, there is nothing else to paint
if (!cellEdited && value != null && IsValueEmpty(value))
{
PersianDate pd = null;
if (value is DateTime)
{
pd = (DateTime)value;
}
else if (value is string)
{
PersianDate.TryParse(value.ToString(), out pd);
}
var column = GetColumn();
if (pd != null)
{
using (var brFG = new SolidBrush(cellStyle.ForeColor))
using (var brSelected = new SolidBrush(cellStyle.SelectionForeColor))
using (var fmt = new StringFormat())
{
fmt.LineAlignment = column.VerticalAlignment;
fmt.Alignment = column.HorizontalAlignment;
fmt.Trimming = StringTrimming.None;
fmt.FormatFlags = StringFormatFlags.LineLimit;
var dateFormat = DateEditBase.GetFormatByFormatInfo(column.FormatInfo);
var dateString = pd.ToString(dateFormat);
graphics.DrawString(dateString, cellStyle.Font, IsInState(cellState, DataGridViewElementStates.Selected) ? brSelected : brFG, cellBounds, fmt);
}
}
}
if (PartPainted(paintParts, DataGridViewPaintParts.ErrorIcon))
{
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, DataGridViewPaintParts.ErrorIcon);
}
}
public void Try_Parse_With_Correct_Value_Returns_True()
{
PersianDate pd = null;
bool canParse = false;
canParse = PersianDate.TryParse("1384/1/1", out pd);
Assert.True(canParse);
Assert.NotNull(pd);
}
void validateText()
{
PersianDate date;
if (PersianDate.TryParse(dateTextBox.Text, out date))
{
this.SelectedDate = date;
this.DisplayDate = date;
}
this.Text = this.SelectedDate.ToString();
}
void validateText()
{
if (dateTextBox.Text.Trim() == "")
{
return;
}
PersianDate date;
if (PersianDate.TryParse(dateTextBox.Text, out date))
{
this.SelectedDate = date;
this.DisplayDate = date;
}
this.Text = this.SelectedDate.ToString();
}
public void Try_Parse_With_Invalid_Or_Null_Values_Returns_False()
{
PersianDate pd = null;
bool canParse = false;
canParse = PersianDate.TryParse(null, out pd);
Assert.False(canParse);
Assert.Null(pd);
canParse = PersianDate.TryParse(string.Empty, out pd);
Assert.False(canParse);
Assert.Null(pd);
canParse = PersianDate.TryParse("1234", out pd);
Assert.False(canParse);
Assert.Null(pd);
}