public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_datePickerTextBox = Template.FindName("PART_TextBox", this) as DatePickerTextBox;
_datePickerTextBox.Background = null;
_datePickerTextBox.Foreground = new SolidColorBrush(Color.FromRgb(241, 241, 241));
}
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal processes call
/// <see cref="M:System.Windows.FrameworkElement.ApplyTemplate" />.
/// </summary>
public override void OnApplyTemplate()
{
UnSubscribeEvents();
base.OnApplyTemplate();
_popup = GetTemplateChild(ElementPopup) as Popup;
_button = GetTemplateChild(ElementButton) as Button;
_hourInput = GetTemplateChild(ElementHourPicker) as Selector;
_minuteInput = GetTemplateChild(ElementMinutePicker) as Selector;
_secondInput = GetTemplateChild(ElementSecondPicker) as Selector;
_hourHand = GetTemplateChild(ElementHourHand) as FrameworkElement;
_ampmSwitcher = GetTemplateChild(ElementAmPmSwitcher) as Selector;
_minuteHand = GetTemplateChild(ElementMinuteHand) as FrameworkElement;
_secondHand = GetTemplateChild(ElementSecondHand) as FrameworkElement;
_textBox = GetTemplateChild(ElementTextBox) as DatePickerTextBox;
SetHandVisibility(HandVisibility);
SetPickerVisibility(PickerVisibility);
SetHourPartValues(SelectedDateTime.GetValueOrDefault().TimeOfDay);
WriteValueToTextBox();
SetDefaultTimeOfDayValues();
SubscribeEvents();
ApplyCulture();
ApplyBindings();
}
private void SetWatermark()
{
FieldInfo fiTextBox = typeof(DatePicker).GetField("_textBox", BindingFlags.Instance | BindingFlags.NonPublic);
if (fiTextBox != null)
{
DatePickerTextBox dateTextBox = (DatePickerTextBox)fiTextBox.GetValue(this);
if (dateTextBox != null)
{
if (string.IsNullOrWhiteSpace(this.Watermark))
{
this.Watermark = "Custom watermark";
}
// if you set property this way then you need to override OnSelectedDateChanged event
//PropertyInfo piWatermark = typeof(DatePickerTextBox).GetProperty("Watermark", BindingFlags.Instance | BindingFlags.NonPublic);
//if (piWatermark != null)
//{
// piWatermark.SetValue(dateTextBox, this.Watermark, null);
//}
var partWatermark = dateTextBox.Template.FindName("PART_Watermark", dateTextBox) as ContentControl;
if (partWatermark != null)
{
partWatermark.Foreground = new SolidColorBrush(Colors.Gray);
partWatermark.Content = this.Watermark;
}
}
}
}
/// <summary>
/// Called when watermark property is changed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="args">
/// The <see cref="DependencyPropertyChangedEventArgs"/>
/// instance containing the event data.
/// </param>
private static void OnWatermarkPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
DatePickerTextBox datePickerTextBox = sender as DatePickerTextBox;
Debug.Assert(datePickerTextBox != null, "The source is not an instance of a DatePickerTextBox!");
datePickerTextBox.OnWatermarkChanged();
datePickerTextBox.ChangeVisualState();
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DatePickerTextBox textBox = (DatePickerTextBox)this.GetTemplateChild("TextBox");
textBox.GotFocus += new RoutedEventHandler(textBox_GotFocus);
textBox.LostFocus += new RoutedEventHandler(textBox_LostFocus);
}
private void dp_endedatum_GotKeyboardFocus(object sender, System.Windows.Input.KeyboardFocusChangedEventArgs e)
{
DatePickerTextBox dptb_endedatum = (DatePickerTextBox)dp_endedatum.Template.FindName("PART_TextBox", dp_endedatum);
if (dptb_endedatum != null)
{
dptb_endedatum.SelectAll();
}
}
private void Dp_geburtsdatum_GotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
{
DatePickerTextBox dptb_geburtsdatum = (DatePickerTextBox)dp_geburtsdatum.Template.FindName("PART_TextBox", dp_geburtsdatum);
if (dptb_geburtsdatum != null)
{
dptb_geburtsdatum.SelectAll();
}
}
void _DatePickerTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
DatePickerTextBox _DatePickerTextBox = sender as DatePickerTextBox;
if (string.IsNullOrEmpty(_DatePickerTextBox.Text))
{
_DatePickerTextBox.Text = FirstDateTime.ToString("yyyy-MM-dd");
}
}
private void Dp_geburtsdatum_Loaded(object sender, RoutedEventArgs e)
{
DatePickerTextBox datePickerTextBox = (DatePickerTextBox)dp_geburtsdatum.Template.FindName("PART_TextBox", dp_geburtsdatum);
if (datePickerTextBox != null)
{
datePickerTextBox.Focus();
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_datePickerTextBox = this.Template.FindName("PART_TextBox", this) as DatePickerTextBox;
if (_datePickerTextBox != null)
{
_datePickerTextBox.TextChanged += dptb_TextChanged;
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DatePickerTextBox box = GetTemplateChild("PART_TextBox") as DatePickerTextBox;
box.ApplyTemplate();
ContentControl watermark = box.Template.FindName("PART_Watermark", box) as ContentControl;
watermark.Content = DateTime.Now.ToString("yyyy/MM/dd");
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DatePickerTextBox textBox = GetTemplateChild(PART_TextBox) as DatePickerTextBox;
if (textBox != null)
{
textBox.Background = new SolidColorBrush(Colors.Transparent);
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DatePickerTextBox box = base.GetTemplateChild("PART_TextBox") as DatePickerTextBox;
box.ApplyTemplate();
ContentControl watermark = box.Template.FindName("PART_Watermark", box) as ContentControl;
watermark.Content = WatermarkText;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DatePickerTextBox _textBox = GetTemplateChild("TextBox") as DatePickerTextBox;
if (_textBox != null)
{
_textBox.AddHandler(KeyDownEvent, new KeyEventHandler(TextBox_KeyDown), true);
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_datePickerTextbox = new DatePickerTextBox();
_masktextbox = new MaskedTextBox();
_datePickerTextbox = this.Template.FindName("PART_TextBox", this) as DatePickerTextBox;
_datePickerTextbox.Visibility = System.Windows.Visibility.Hidden;
Grid _grid = new Grid();
_grid = (Grid)_datePickerTextbox.Parent;
_grid.Children.Insert(1, _masktextbox);
#region MaskTextBox Properties Configuration
_masktextbox.Mask = "00/00/0000";
_masktextbox.AutoSelectBehavior = AutoSelectBehavior.OnFocus;
_masktextbox.AutoMoveFocus = true;
_masktextbox.InsertKeyMode = InsertKeyMode.Overwrite;
#endregion
#region CodeBehind TwoWays DataBinding Configuration
Binding datebinding = new Binding("date");
datebinding.Source = this;
datebinding.Mode = BindingMode.TwoWay;
datebinding.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
#endregion
#region Set DataBinding to DatePicker And MaskTextBox
_datePickerTextbox.SetBinding(DatePickerTextBox.TextProperty, datebinding);
_masktextbox.SetBinding(MaskedTextBox.TextProperty, datebinding);
#endregion
#region Subscribe Events for MaskTextBox
if (_masktextbox != null)
{
_masktextbox.TextChanged += _datePickerTextbox_TextChanged;
_masktextbox.PreviewKeyDown += _masktextbox_PreviewKeyDown;
}
#endregion
}
public void SetWatermarkText(string text)
{
DatePickerTextBox datePickerTextBox = FindVisualChild <DatePickerTextBox>(this);
if (datePickerTextBox != null)
{
ContentControl watermark = datePickerTextBox.Template.FindName("PART_Watermark", datePickerTextBox) as ContentControl;
if (watermark != null)
{
watermark.Content = text;
}
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
datePickerTextBox = GetTemplateChild(ElementDateTimeTextBox) as DatePickerTextBox;
button = GetTemplateChild(ElementButton) as Button;
popup = GetTemplateChild(ElementPopup) as Popup;
calendar = GetTemplateChild(ElementCalendar) as Calendar;
hourComboBox = GetTemplateChild(ElementHourComboBox) as ComboBox;
minuteComboBox = GetTemplateChild(ElementMinuteComboBox) as ComboBox;
secondComboBox = GetTemplateChild(ElementSecondComboBox) as ComboBox;
ampmComboBox = GetTemplateChild(ElementAmPmSwithcerComboBox) as ComboBox;
datePickerTextBox.GotMouseCapture += DatePickerTextBoxGotMouseCapture;
}
/// <summary>
///
/// </summary>d
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
SetDateFormat();
DatePickerTextBox box = base.GetTemplateChild("PART_TextBox") as DatePickerTextBox;
box.ApplyTemplate();
ContentControl watermark = box.Template.FindName("PART_Watermark", box) as ContentControl;
string datePattern = CultureInfo.CurrentUICulture.DateTimeFormat.ShortDatePattern;
watermark.Content = datePattern.ToUpper();
}
private void DatePickerLoaded(object sender, RoutedEventArgs e)
{
if (!(sender is DatePicker datePicker))
{
return;
}
DatePickerTextBox datePickerTextBox =
FindVisualChild <DatePickerTextBox>(datePicker);
if (datePickerTextBox?.Template.FindName("PART_Watermark", datePickerTextBox)
is ContentControl watermark)
{
watermark.Content = "Enter your date of birth";
}
}
public override void OnApplyTemplate()
{
_button = (Button)GetTemplateChild(ElementButton);
_button.Click += ButtonClick;
_datePickerTextBox = (DatePickerTextBox)GetTemplateChild(ElementDatePickerTextBox);
_datePickerTextBox.MouseDown += DatePickerTextBoxMouseDown;
_datePickerTextBox.KeyUp += DatePickerTextBoxKeyUp;
_datePickerTextBox.GotMouseCapture += DatePickerTextBoxGotMouseCapture;
_popup = (Popup)GetTemplateChild(ElementPopup);
_popup.PlacementTarget = _datePickerTextBox;
_calendar = (Calendar)GetTemplateChild(ElementCalendar);
_calendar.DisplayDateChanged += CalendarDisplayDateChanged;
_calendar.SelectedDatesChanged += CalendarSelectedDatesChanged;
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
Popup popup = base.GetTemplateChild("Popup") as Popup;
m_Calendar = null;
if (popup != null && popup.Child != null)
{
Canvas canvas = popup.Child as Canvas;
if (canvas != null)
{
foreach (UIElement item in canvas.Children)
{
m_Calendar = item as Calendar;
if (m_Calendar != null)
{
break;
}
}
}
}
m_TextBox = base.GetTemplateChild("TextBox") as DatePickerTextBox;
//m_TextBox.FontSize = 11;
//m_TextBox.Padding = new Thickness(2, 0, 2, 0);
m_TextBox.VerticalAlignment = VerticalAlignment.Center;
m_TextBox.Text = " ";
if (m_TextBox != null)
{
m_TextBox.IsReadOnly = true;
}
var readOnlyVisualElement = base.GetTemplateChild("ReadOnlyVisualElement") as Border;
if (readOnlyVisualElement != null)
{
readOnlyVisualElement.Background = new SolidColorBrush(Colors.Transparent);
}
if (m_Calendar != null)
{
m_Calendar.DisplayDateChanged += new EventHandler <CalendarDateChangedEventArgs>(calendar_DisplayDateChanged);
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
// this.PART_TextBox = VisualHelper.FindVisualElement<DatePickerTextBox>(this, "PART_TextBox_New");
this.PART_TextBox = WPFControlsUtils.FindChildOfType <DatePickerTextBox>(this, "PART_TextBox_New");
// this.PART_Popup = VisualHelper.FindVisualElement<Popup>(this, "PART_Popup_New");
this.PART_Popup = WPFControlsUtils.FindChildOfType <Popup>(this, "PART_Popup_New");
this.PART_Calendar = GetTemplateChild("PART_Calendar") as Calendar;
this.PART_TimePicker = GetTemplateChild("PART_TimePicker") as TimePicker;
this.PART_Clear_Button = GetTemplateChild("PART_Clear_Button") as Button;
this.PART_Today_Button = GetTemplateChild("PART_Today_Button") as Button;
this.PART_Confirm_Button = GetTemplateChild("PART_Confirm_Button") as Button;
if (this.PART_Calendar != null)
{
this.PART_Calendar.AddHandler(Button.MouseLeftButtonDownEvent, new RoutedEventHandler(DayButton_MouseLeftButtonUp), true);
}
if (this.PART_TimePicker != null)
{
this.PART_TimePicker.SelectedTimeChanged += PART_TimePicker_SelectedTimeChanged;;
}
if (this.PART_Popup != null)
{
this.PART_Popup.Opened += PART_Popup_Opened;
this.PART_Popup.Closed += PART_Popup_Closed;
}
if (this.PART_Today_Button != null)
{
this.PART_Today_Button.Click += PART_Today_Button_Click;
}
if (this.PART_Confirm_Button != null)
{
this.PART_Confirm_Button.Click += PART_Confirm_Button_Click;
}
if (this.PART_Clear_Button != null)
{
this.PART_Clear_Button.Click += PART_Clear_Button_Click;
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (this.SelectedDate == null)
{
this.SelectedDate = DateTime.Now;
}
FirstDateTime = this.SelectedDate.Value;
DatePickerTextBox _DatePickerTextBox = GetTemplateChild("TextBox") as DatePickerTextBox;
_DatePickerTextBox.TextChanged += new TextChangedEventHandler(_DatePickerTextBox_TextChanged);
if (AllowCleanDate)
{
_DatePickerTextBox.IsReadOnly = false;
}
else
{
_DatePickerTextBox.IsReadOnly = true;
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
DatePickerTextBox _textBox = GetTemplateChild("PART_TextBox") as DatePickerTextBox;
if (_textBox != null)
{
_textBox.FocusVisualStyle = null;
_textBox.Style = sTextBoxStyle;
}
Button _calendarBtn = GetTemplateChild("PART_Button") as Button;
if (_calendarBtn != null)
{
_calendarBtn.Width = 20;
_calendarBtn.Height = 20;
_calendarBtn.Margin = new Thickness(0, -1, -3, -3);
_calendarBtn.RenderTransform = new ScaleTransform(0.75, 0.75);
_calendarBtn.HorizontalAlignment = HorizontalAlignment.Center;
}
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
textBox = this.GetTemplateChild("PART_TextBox") as DatePickerTextBox;
popup = this.GetTemplateChild("PART_Popup") as Popup;
if (AlternativeCalendarStyle != null)
{
System.Windows.Controls.Calendar calendar = popup.Child as System.Windows.Controls.Calendar;
calendar.Style = AlternativeCalendarStyle;
calendar.ApplyTemplate();
goToTodayButton = calendar.Template.FindName("PART_GoToTodayButton", calendar) as Button;
if (goToTodayButton != null)
{
gotoTodayCommand = new SimpleCommand(CanExecuteGoToTodayCommand, ExecuteGoToTodayCommand);
goToTodayButton.Command = gotoTodayCommand;
}
}
textBox.PreviewKeyDown -= new KeyEventHandler(DatePickerTextBox_PreviewKeyDown); //unhook
textBox.PreviewKeyDown += new KeyEventHandler(DatePickerTextBox_PreviewKeyDown); //hook
}
private void PART_TextBox_Loaded(object sender, RoutedEventArgs e)
{
//这个具有特殊性, 第一次初始后, 需要记录这个对象, 才能在后面验证动画. 因为模板里面的名字引不出..
dptx = (DatePickerTextBox)sender;
dptx.Loaded -= PART_TextBox_Loaded;//干掉自己...
}
/// <summary>
/// Builds the visual tree for the DatePicker control when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
if (_popUp != null)
{
_popUp.RemoveHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(PopUp_PreviewMouseLeftButtonDown));
_popUp.Opened -= PopUp_Opened;
_popUp.Closed -= PopUp_Closed;
_popUp.Child = null;
}
if (_dropDownButton != null)
{
_dropDownButton.Click -= DropDownButton_Click;
_dropDownButton.RemoveHandler(MouseLeaveEvent, new MouseEventHandler(DropDownButton_MouseLeave));
}
if (_textBox != null)
{
_textBox.RemoveHandler(TextBox.KeyDownEvent, new KeyEventHandler(TextBox_KeyDown));
_textBox.RemoveHandler(TextBox.TextChangedEvent, new TextChangedEventHandler(TextBox_TextChanged));
_textBox.RemoveHandler(TextBox.LostFocusEvent, new RoutedEventHandler(TextBox_LostFocus));
}
base.OnApplyTemplate();
_popUp = GetTemplateChild(ElementPopup) as Popup;
if (_popUp != null)
{
_popUp.AddHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(PopUp_PreviewMouseLeftButtonDown));
_popUp.Opened += PopUp_Opened;
_popUp.Closed += PopUp_Closed;
_popUp.Child = this._calendar;
if (this.IsDropDownOpen)
{
this._popUp.IsOpen = true;
}
}
_dropDownButton = GetTemplateChild(ElementButton) as Button;
if (_dropDownButton != null)
{
_dropDownButton.Click += DropDownButton_Click;
_dropDownButton.AddHandler(MouseLeaveEvent, new MouseEventHandler(DropDownButton_MouseLeave), true);
// If the user does not provide a Content value in template, we provide a helper text that can be used in Accessibility
// this text is not shown on the UI, just used for Accessibility purposes
if (_dropDownButton.Content == null)
{
_dropDownButton.Content = SR.Get(SRID.DatePicker_DropDownButtonName);
}
}
_textBox = GetTemplateChild(ElementTextBox) as DatePickerTextBox;
if (this.SelectedDate == null)
{
SetWaterMarkText();
}
if (_textBox != null)
{
_textBox.AddHandler(TextBox.KeyDownEvent, new KeyEventHandler(TextBox_KeyDown), true);
_textBox.AddHandler(TextBox.TextChangedEvent, new TextChangedEventHandler(TextBox_TextChanged), true);
_textBox.AddHandler(TextBox.LostFocusEvent, new RoutedEventHandler(TextBox_LostFocus), true);
if (this.SelectedDate == null)
{
if (!string.IsNullOrEmpty(this._defaultText))
{
_textBox.Text = this._defaultText;
SetSelectedDate();
}
}
else
{
_textBox.Text = this.DateTimeToString((DateTime)this.SelectedDate);
}
}
}
public static IObservable <EventPattern <MouseButtonEventArgs> > MouseDownObserver(this DatePickerTextBox This)
{
return(Observable.FromEventPattern <MouseButtonEventHandler, MouseButtonEventArgs>(h => This.MouseDown += h, h => This.MouseDown -= h));
}
/// <summary>
/// Builds the visual tree for the DatePicker control when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (_popUp != null)
{
_popUp.Child = null;
}
_popUp = GetTemplateChild(ElementPopup) as Popup;
if (_popUp != null)
{
if (this._outsideCanvas == null)
{
_outsideCanvas = new Canvas();
_outsidePopupCanvas = new Canvas();
_outsidePopupCanvas.Background = new SolidColorBrush(Colors.Transparent);
_outsideCanvas.Children.Add(this._outsidePopupCanvas);
_outsideCanvas.Children.Add(this._calendar);
_outsidePopupCanvas.MouseLeftButtonDown += new MouseButtonEventHandler(OutsidePopupCanvas_MouseLeftButtonDown);
}
_popUp.Child = this._outsideCanvas;
_root = GetTemplateChild(ElementRoot) as FrameworkElement;
if (this.IsDropDownOpen)
{
OpenDropDown();
}
}
if (_dropDownButton != null)
{
_dropDownButton.Click -= new RoutedEventHandler(DropDownButton_Click);
}
_dropDownButton = GetTemplateChild(ElementButton) as Button;
if (_dropDownButton != null)
{
_dropDownButton.Click += new RoutedEventHandler(DropDownButton_Click);
_dropDownButton.IsTabStop = false;
//If the user does not provide a Content value in template, we provide a helper text that can be used in Accessibility
//this text is not shown on the UI, just used for Accessibility purposes
if (_dropDownButton.Content == null)
{
_dropDownButton.Content = Resource.DatePicker_DropDownButtonName;
}
}
if (_textBox != null)
{
_textBox.KeyDown -= new KeyEventHandler(TextBox_KeyDown);
_textBox.TextChanged -= new TextChangedEventHandler(TextBox_TextChanged);
_textBox.GotFocus -= new RoutedEventHandler(TextBox_GotFocus);
}
_textBox = GetTemplateChild(ElementTextBox) as DatePickerTextBox;
UpdateDisabledVisual();
if (this.SelectedDate == null)
{
SetWaterMarkText();
}
if (_textBox != null)
{
_textBox.KeyDown += new KeyEventHandler(TextBox_KeyDown);
_textBox.TextChanged += new TextChangedEventHandler(TextBox_TextChanged);
_textBox.GotFocus += new RoutedEventHandler(TextBox_GotFocus);
if (this.SelectedDate == null)
{
if (!string.IsNullOrEmpty(this._defaultText))
{
_textBox.Text = this._defaultText;
SetSelectedDate();
}
}
else
{
_textBox.Text = this.DateTimeToString((DateTime)this.SelectedDate);
}
}
}
/// <summary>
/// Builds the visual tree for the DatePicker control when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
if (_popUp != null)
{
_popUp.RemoveHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(PopUp_PreviewMouseLeftButtonDown));
_popUp.Opened -= PopUp_Opened;
_popUp.Closed -= PopUp_Closed;
_popUp.Child = null;
}
if (_dropDownButton != null)
{
_dropDownButton.Click -= DropDownButton_Click;
_dropDownButton.RemoveHandler(MouseLeaveEvent, new MouseEventHandler(DropDownButton_MouseLeave));
}
if (_textBox != null)
{
_textBox.RemoveHandler(TextBox.KeyDownEvent, new KeyEventHandler(TextBox_KeyDown));
_textBox.RemoveHandler(TextBox.TextChangedEvent, new TextChangedEventHandler(TextBox_TextChanged));
_textBox.RemoveHandler(TextBox.LostFocusEvent, new RoutedEventHandler(TextBox_LostFocus));
}
base.OnApplyTemplate();
_popUp = GetTemplateChild(ElementPopup) as Popup;
if (_popUp != null)
{
_popUp.AddHandler(PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(PopUp_PreviewMouseLeftButtonDown));
_popUp.Opened += PopUp_Opened;
_popUp.Closed += PopUp_Closed;
_popUp.Child = this._calendar;
if (this.IsDropDownOpen)
{
this._popUp.IsOpen = true;
}
}
_dropDownButton = GetTemplateChild(ElementButton) as Button;
if (_dropDownButton != null)
{
_dropDownButton.Click += DropDownButton_Click;
_dropDownButton.AddHandler(MouseLeaveEvent, new MouseEventHandler(DropDownButton_MouseLeave), true);
// If the user does not provide a Content value in template, we provide a helper text that can be used in Accessibility
// this text is not shown on the UI, just used for Accessibility purposes
if (_dropDownButton.Content == null)
{
_dropDownButton.Content = SR.Get(SRID.DatePicker_DropDownButtonName);
}
}
_textBox = GetTemplateChild(ElementTextBox) as DatePickerTextBox;
UpdateDisabledVisual();
if (this.SelectedDate == null)
{
SetWaterMarkText();
}
if (_textBox != null)
{
_textBox.AddHandler(TextBox.KeyDownEvent, new KeyEventHandler(TextBox_KeyDown), true);
_textBox.AddHandler(TextBox.TextChangedEvent, new TextChangedEventHandler(TextBox_TextChanged), true);
_textBox.AddHandler(TextBox.LostFocusEvent, new RoutedEventHandler(TextBox_LostFocus), true);
if (this.SelectedDate == null)
{
if (!string.IsNullOrEmpty(this._defaultText))
{
_textBox.Text = this._defaultText;
SetSelectedDate();
}
}
else
{
_textBox.Text = this.DateTimeToString((DateTime)this.SelectedDate);
}
}
if (IsButtonDynamicShow)
{
_dropDownButton.Visibility = System.Windows.Visibility.Collapsed;
Grid oGrid = GetTemplateChild("PART_Root") as Grid;
oGrid.MouseEnter += new MouseEventHandler(_popUp_MouseEnter);
oGrid.MouseLeave += new MouseEventHandler(_popUp_MouseLeave);
}
if (HideTextBoxBackground)
{
_textBox.Watermark = string.Empty;
_textBox.BorderBrush = null;
_textBox.BorderThickness = new Thickness(0);
_textBox.Background = null;
this.BorderThickness = new Thickness(0);
}
}