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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.Core.EventArguments;
using Tango.Touch.Keyboard;
namespace Tango.Touch.Controls
{
public class TouchTextBox : TouchInput
{
private TextBox _text_box;
private DateTime _lost_focus_time;
public String Text
{
get { return (String)GetValue(TextProperty); }
set { SetValue(TextProperty, value); }
}
public static readonly DependencyProperty TextProperty =
DependencyProperty.Register("Text", typeof(String), typeof(TouchTextBox), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
public String Watermark
{
get { return (String)GetValue(WatermarkProperty); }
set { SetValue(WatermarkProperty, value); }
}
public static readonly DependencyProperty WatermarkProperty =
DependencyProperty.Register("Watermark", typeof(String), typeof(TouchTextBox), new PropertyMetadata(null));
public bool IsPassword
{
get { return (bool)GetValue(IsPasswordProperty); }
set { SetValue(IsPasswordProperty, value); }
}
public static readonly DependencyProperty IsPasswordProperty =
DependencyProperty.Register("IsPassword", typeof(bool), typeof(TouchTextBox), new PropertyMetadata(false));
public bool IsReadOnly
{
get { return (bool)GetValue(IsReadOnlyProperty); }
set { SetValue(IsReadOnlyProperty, value); }
}
public static readonly DependencyProperty IsReadOnlyProperty =
DependencyProperty.Register("IsReadOnly", typeof(bool), typeof(TouchTextBox), new PropertyMetadata(false));
public ICommand TapCommand
{
get { return (ICommand)GetValue(TapCommandProperty); }
set { SetValue(TapCommandProperty, value); }
}
public static readonly DependencyProperty TapCommandProperty =
DependencyProperty.Register("TapCommand", typeof(ICommand), typeof(TouchTextBox), new PropertyMetadata(null));
public Object TapCommandParameter
{
get { return (Object)GetValue(TapCommandParameterProperty); }
set { SetValue(TapCommandParameterProperty, value); }
}
public static readonly DependencyProperty TapCommandParameterProperty =
DependencyProperty.Register("TapCommandParameter", typeof(Object), typeof(TouchTextBox), new PropertyMetadata(null));
static TouchTextBox()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(TouchTextBox), new FrameworkPropertyMetadata(typeof(TouchTextBox)));
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_text_box = GetTemplateChild("PART_TextBox") as TextBox;
_text_box.GotFocus += _text_box_GotFocus;
_text_box.LostFocus += _text_box_LostFocus;
this.RegisterForPreviewMouseOrTouchUp(OnMouseOrTouchUp);
}
private void _text_box_LostFocus(object sender, RoutedEventArgs e)
{
_lost_focus_time = DateTime.Now;
}
private void OnMouseOrTouchUp(object sender, MouseOrTouchEventArgs e)
{
if (TapCommand != null)
{
TapCommand.Execute(TapCommandParameter);
}
}
private async void _text_box_GotFocus(object sender, RoutedEventArgs e)
{
if (DateTime.Now > _lost_focus_time.AddMilliseconds(200))
{
await Task.Delay(50);
if (FocusSelectionMode == FocusSelectionMode.SelectAll)
{
_text_box.SelectAll();
}
else if (FocusSelectionMode == FocusSelectionMode.ScrollToEnd)
{
_text_box.CaretIndex = _text_box.Text.Length;
}
}
}
public new void Focus()
{
_text_box.Focus();
}
}
}
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