/// <summary>
/// Clears any existing selection and then selects the current element.
/// </summary>
void ISelectionItemProvider.Select()
{
CalendarExButton button = OwningCalendarButton;
if (!button.IsEnabled)
{
throw new ElementNotEnabledException();
}
CalendarEx calendar = OwningCalendar;
if (calendar != null &&
button.Visibility != Visibility.Collapsed &&
!button.IsCalendarButtonFocused)
{
foreach (CalendarExButton child in calendar.MonthControl.YearView.Children)
{
if (child.IsCalendarButtonFocused)
{
child.IsCalendarButtonFocused = false;
break;
}
}
button.IsCalendarButtonFocused = true;
}
}
/// <summary>
/// Returns the text label of the CalendarButton that is associated with
/// this CalendarButtonAutomationPeer. This method is called by GetName.
/// </summary>
/// <returns>
/// The text label of the element that is associated with this
/// automation peer.
/// </returns>
/// <remarks>
/// The name property can be thought of as the string of text that a
/// user would use to explain which control is being referred to. It is
/// important to have a textual representation for all controls in the
/// graphical user interface (GUI) so that you can programmatically
/// refer to the control in a localized manner. The value is settable
/// on control instances through the AutomationProperties.Name attached
/// property.
/// </remarks>
protected override string GetNameCore()
{
string name = base.GetNameCore();
if (string.IsNullOrEmpty(name))
{
AutomationPeer labeledBy = GetLabeledByCore();
if (labeledBy != null)
{
name = labeledBy.GetName();
}
CalendarExButton button = this.OwningCalendarButton;
if (string.IsNullOrEmpty(name) && button != null)
{
if (button.DataContext is DateTime)
{
if (this.OwningCalendar.DisplayMode == CalendarExMode.Decade)
{
name = DateTimeHelper.ToYearString((DateTime)button.DataContext);
}
else
{
name = DateTimeHelper.ToYearMonthPatternString((DateTime)button.DataContext);
}
}
else if (button.Content != null)
{
name = string.Format(DateTimeHelper.GetCurrentDateFormat(), button.Content.ToString());
}
}
}
return(name);
}
/// <summary>
/// Returns the string that describes the functionality of the
/// CalendarButton that is associated with this
/// CalendarButtonAutomationPeer. This method is called by GetHelpText.
/// </summary>
/// <returns>
/// The help text, or String.Empty if there is no help text.
/// </returns>
protected override string GetHelpTextCore()
{
CalendarExButton button = OwningCalendarButton;
if (button != null && button.DataContext != null && button.DataContext is DateTime)
{
DateTime dataContext = (DateTime)OwningCalendarButton.DataContext;
return(dataContext.Date.ToString(DateTimeHelper.GetCurrentDateFormat().LongDatePattern, DateTimeHelper.GetCurrentDateFormat()));
}
return(base.GetHelpTextCore());
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="T:System.Windows.Automation.Peers.CalendarExAutomationPeer" />
/// class.
/// </summary>
/// <param name="owner">
/// The
/// <see cref="T:System.Windows.Controls.Primitives.CalendarButton" />
/// to associate with this
/// <see cref="T:System.Windows.Automation.Peers.AutomationPeer" />.
/// </param>
public CalendarExButtonAutomationPeer(CalendarExButton owner)
: base(owner)
{
}