private static void DatePickerOnCalendarOpened(object sender, RoutedEventArgs e)
{
var datePicker = (DatePicker)sender;
var textBox = GetTemplateTextBox(datePicker);
var formatStr = GetDateFormat(datePicker);
textBox.Text = DatePickerDateTimeConverter.DateTimeToString(formatStr, datePicker.SelectedDate);
}
private static void textBox_LostKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
{
e.Handled = true;
var textBox = (TextBox)sender;
var datePicker = (DatePicker)textBox.TemplatedParent;
var dateStr = textBox.Text;
var formatStr = GetDateFormat(datePicker);
datePicker.SelectedDate = DatePickerDateTimeConverter.StringToDateTime(datePicker, formatStr, dateStr);
}
private static void DatePickerOnCalendarOpened(object sender, RoutedEventArgs routedEventArgs)
{
/* When DatePicker's TextBox is not focused and its Calendar is opened by clicking its calendar button
* it again sets its text to the result of its internal date parsing. A workaround is to set this
* to our own string when it is opened. */
var datePicker = (DatePicker)sender;
var textBox = GetTemplateTextBox(datePicker);
var formatStr = GetDateFormat(datePicker);
textBox.Text = DatePickerDateTimeConverter.ParseDateTime(formatStr, datePicker.SelectedDate);
}
private static void DatePickerOnCalendarOpened(object sender, RoutedEventArgs e)
{
/* When DatePicker's TextBox is not focused and its Calendar is opened by clicking its calendar button
* its text will be the result of its internal date parsing until its TextBox is focused and another
* date is selected. A workaround is to set this string when it is opened. */
var datePicker = (DatePicker)sender;
var textBox = GetTemplateTextBox(datePicker);
var formatStr = GetDateFormat(datePicker);
textBox.Text = DatePickerDateTimeConverter.DateTimeToString(formatStr, datePicker.SelectedDate);
}
private static void DatePickerOnKeyUp(object sender, KeyEventArgs e)
{
if (e.Key != Key.Return)
{
return;
}
var datePicker = (DatePicker)sender;
var formatStr = GetDateFormat(datePicker);
var customTextBox = GetDatePickerTextBox(datePicker);
var dateStr = customTextBox.Text;
datePicker.SelectedDate = DatePickerDateTimeConverter.ParseString(datePicker, formatStr, dateStr);
customTextBox.Text = DatePickerDateTimeConverter.ParseDateTime(formatStr, datePicker.SelectedDate);
}
private static void TextBoxOnPreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key != Key.Return)
{
return;
}
e.Handled = true;
var textBox = (TextBox)sender;
var datePicker = (DatePicker)textBox.TemplatedParent;
var dateStr = textBox.Text;
var formatStr = GetDateFormat(datePicker);
datePicker.SelectedDate = DatePickerDateTimeConverter.StringToDateTime(datePicker, formatStr, dateStr);
}
private static void TextBoxOnPreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key != Key.Return)
{
return;
}
/* DatePicker subscribes to its TextBox's KeyDown event to set its SelectedDate. When this
* happens it sets its text to the result of its internal date parsing if Key.Return was
* pressed. A workaround is to stop the KeyDown event bubbling up and handling setting the
* DatePicker.SelectedDate ourself. */
e.Handled = true;
var textBox = (TextBox)sender;
var datePicker = (DatePicker)textBox.TemplatedParent;
var dateStr = textBox.Text;
var formatStr = GetDateFormat(datePicker);
datePicker.SelectedDate = DatePickerDateTimeConverter.ParseString(datePicker, formatStr, dateStr);
}
private static void TextBoxOnPreviewKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
if (e.Key != System.Windows.Input.Key.Return)
{
return;
}
/* DatePicker subscribes to its TextBox's KeyDown event to set its SelectedDate if Key.Return was
* pressed. When this happens its text will be the result of its internal date parsing until it
* loses focus or another date is selected. A workaround is to stop the KeyDown event bubbling up
* and handling setting the DatePicker.SelectedDate. */
e.Handled = true;
var textBox = (TextBox)sender;
var datePicker = (DatePicker)textBox.TemplatedParent;
var dateStr = textBox.Text;
var formatStr = GetDateFormat(datePicker);
datePicker.SelectedDate = DatePickerDateTimeConverter.StringToDateTime(datePicker, formatStr, dateStr);
}
