private void FocusOnDatePart(int selStart)
{
ReformatDateText();
string df = DateFormat;
if (selStart > df.Length - 1)
{
selStart = df.Length - 1;
}
char firstchar = df[selStart];
while (!char.IsLetter(firstchar) && selStart + 1 < df.Length)
{
selStart++;
firstchar = df[selStart];
}
while (selStart > 0 && df[selStart - 1] == firstchar)
{
selStart--;
}
int selLength = 1;
while (selStart + selLength < df.Length && df[selStart + selLength] == firstchar)
{
selLength++;
}
DateDisplay.Focus();
DateDisplay.Select(selStart, selLength);
}
/// <summary>
/// Display previous month.
/// </summary>
public virtual void PrevMonth()
{
if (!IsInteractable())
{
return;
}
DateDisplay = DateDisplay.AddMonths(-1);
}
/// <summary>
/// Display previous year.
/// </summary>
public virtual void PrevYear()
{
if (!IsInteractable())
{
return;
}
DateDisplay = DateDisplay.AddYears(-1);
}
/// <summary>
/// Update displayed date and month.
/// </summary>
protected override void UpdateDate()
{
if (dateText != null)
{
dateText.text = Date.ToString("D", Culture);
}
if (monthText != null)
{
monthText.text = DateDisplay.ToString("Y", Culture);
}
}
private void FocusOnDatePart(int selstart)
{
if (selstart > DateFormat.Length - 1)
{
selstart = DateFormat.Length - 1;
}
char firstchar = Convert.ToChar(DateFormat.Substring(selstart, 1));
selstart = DateFormat.IndexOf(firstchar);
int sellength = Math.Abs((selstart - (DateFormat.LastIndexOf(firstchar) + 1)));
DateDisplay.Focus();
DateDisplay.Select(selstart, sellength);
}
private void DateDisplay_LostFocus(object sender, RoutedEventArgs e)
{
DateTime result;
while ((!DateTime.TryParse(DateDisplay.Text, out result) ||
(Convert.ToDateTime(DateDisplay.Text) < MinimumDate) ||
(Convert.ToDateTime(DateDisplay.Text) > MaximumDate)) &&
DateDisplay.CanUndo)
{
DateDisplay.Undo();
}
if (DateTime.TryParse(DateDisplay.Text, out result) &&
SelectedDate != Convert.ToDateTime(DateDisplay.Text))
{
SelectedDate = Convert.ToDateTime(DateDisplay.Text);
}
}
private bool FocusOnDatePart(int selStart)
{
ReformatDateText();
// Find beginning of field to select
var df = DateFormat;
if (selStart > df.Length - 1)
{
selStart = df.Length - 1;
}
var firstchar = df[selStart];
while (!char.IsLetter(firstchar) && selStart + 1 < df.Length)
{
selStart++;
firstchar = df[selStart];
}
while (selStart > 0 && df[selStart - 1] == firstchar)
{
selStart--;
}
var selLength = 1;
while (selStart + selLength < df.Length && df[selStart + selLength] == firstchar)
{
selLength++;
}
// don't select AM/PM: we have no interface to change it. - We have now
if (firstchar == 't')
{
selLength = 2;
}
//return false;
DateDisplay.Focus();
DateDisplay.Select(selStart, selLength);
return(true);
}
private static void activateIntrfaceVersion()
{
Interfaces.MenuItem m_VersionsAndActions = new Interfaces.MenuItem("Versions and Actions", null);
Interfaces.IDoAction showVersion = new VersionDisplay();
Interfaces.MenuItem m_ShowVersion = new Interfaces.MenuItem("Show Version", showVersion);
m_VersionsAndActions.AddMenuItem(m_ShowVersion);
Interfaces.MenuItem m_Actions = new Interfaces.MenuItem("Actions", null);
Interfaces.IDoAction charsCount = new CharsCount();
Interfaces.MenuItem m_CharsCount = new Interfaces.MenuItem("Chars Count", charsCount);
Interfaces.IDoAction countSpaces = new SpacesCount();
Interfaces.MenuItem m_CountSpaces = new Interfaces.MenuItem("Count Spaces", countSpaces);
m_Actions.AddMenuItem(m_CharsCount);
m_Actions.AddMenuItem(m_CountSpaces);
m_VersionsAndActions.AddMenuItem(m_Actions);
// Show Time and Date menu
Interfaces.MenuItem m_ShowDateAndTime = new Interfaces.MenuItem("Show Date/Time", null);
Interfaces.IDoAction showTime = new TimeDisplay();
Interfaces.MenuItem m_ShowTime = new Interfaces.MenuItem("Show Time", showTime);
Interfaces.IDoAction showDate = new DateDisplay();
Interfaces.MenuItem m_ShowDate = new Interfaces.MenuItem("Show Date", showDate);
m_ShowDateAndTime.AddMenuItem(m_ShowTime);
m_ShowDateAndTime.AddMenuItem(m_ShowDate);
// Main menu
Interfaces.MenuItem firstMenu = new Interfaces.MenuItem("My Menu implemented with Interfaces", null);
Interfaces.MainMenu mainMenu = new Interfaces.MainMenu(firstMenu);
firstMenu.AddMenuItem(m_VersionsAndActions);
firstMenu.AddMenuItem(m_ShowDateAndTime);
mainMenu.Show();
}
/// <summary>
/// Display previous year.
/// </summary>
public virtual void PrevYear()
{
DateDisplay = DateDisplay.AddYears(-1);
}
/// <summary>
/// Display next year.
/// </summary>
public virtual void NextYear()
{
DateDisplay = DateDisplay.AddYears(1);
}
/// <summary>
/// Display previous month.
/// </summary>
public virtual void PrevMonth()
{
DateDisplay = DateDisplay.AddMonths(-1);
}
/// <summary>
/// Display next month.
/// </summary>
public virtual void NextMonth()
{
DateDisplay = DateDisplay.AddMonths(1);
}
private void UserControl_PreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Escape || e.Key == Key.Back)
{
if (DateDisplay.Text.Length > 0)
{
DateDisplay.Text.Remove(DateDisplay.Text.Length - 1);
}
//DateDisplay.Clear();
return;
}
if (e.KeyboardDevice.Modifiers == ModifierKeys.Shift)
{
return;
}
DateTime dateResult;
var selstart = DateDisplay.SelectionStart;
while (!DateTime.TryParse(DateDisplay.Text, out dateResult))
{
DateDisplay.Undo();
}
e.Handled = true;
switch (e.Key)
{
case Key.Up:
SelectedDate = Increase(selstart, 1);
FocusOnDatePart(selstart);
break;
case Key.Down:
SelectedDate = Increase(selstart, -1);
FocusOnDatePart(selstart);
break;
case Key.Left:
selstart = SelectPreviousPosition(selstart);
if (selstart > -1)
{
FocusOnDatePart(selstart);
}
else
{
this.MoveFocus(new TraversalRequest(FocusNavigationDirection.Previous));
}
break;
case Key.Tab:
case Key.Right:
selstart = SelectNextPosition(selstart);
if (selstart > -1)
{
FocusOnDatePart(selstart);
}
else
{
PopUpCalendarButton.Focus();
}
break;
default:
try
{
if (!Char.IsDigit(Convert.ToChar(e.KeyboardDevice.ToString())))
{
if (e.Key == Key.D0 ||
e.Key == Key.D1 ||
e.Key == Key.D2 ||
e.Key == Key.D3 ||
e.Key == Key.D4 ||
e.Key == Key.D5 ||
e.Key == Key.D6 ||
e.Key == Key.D7 ||
e.Key == Key.D8 ||
e.Key == Key.D9)
{
e.Handled = false;
}
}
break;
}
catch { break; }
}
}
private void DateDisplay_GotFocus(object sender, RoutedEventArgs e)
{
//DateDisplay.Clear();
DateDisplay.SelectAll();
}