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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using Tango.Core.Commands;
using Tango.Core.EventArguments;
using Tango.SharedUI;
using Tango.Touch.Keyboard;
namespace Tango.Touch.Controls
{
public class TouchPanel : ContentControl
{
private TouchListBox _combobox_list;
private Grid _combobox_grid;
static TouchPanel()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(TouchPanel), new FrameworkPropertyMetadata(typeof(TouchPanel)));
}
public TouchPanel()
{
ComboBoxPickedCommand = new RelayCommand((x) =>
{
CurrentComboBox.SetResultFromTouchPanel(x);
CurrentComboBox = null;
});
this.RegisterForMouseOrTouchDown(OnMouseDown);
}
private void OnMouseDown(object sender, MouseOrTouchEventArgs e)
{
var element = e.OriginalSource as FrameworkElement;
if (element != null && GetPreventFocusSteal(element)) return;
if (element != null && element.FindAncestor(x => GetPreventFocusSteal(x as FrameworkElement)) != null) return;
if (element != null && (element.Focusable || element.FindAncestor<TouchKeyboard>() != null)) return;
Focus(); //TODO: Notice that this does not cause trouble. (Originally inserted for stealing focus from pop-ups)
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_combobox_list = GetTemplateChild("PART_ComboBoxList") as TouchListBox;
_combobox_grid = GetTemplateChild("PART_combobox_grid") as Grid;
_combobox_grid.RegisterForMouseOrTouchDown(OnComboBoxGridDown);
}
private void OnComboBoxGridDown(object sender, MouseOrTouchEventArgs e)
{
if (e.Source == _combobox_grid)
{
CurrentComboBox = null;
}
}
private async void OnCurrentComboBoxChanged()
{
if (CurrentComboBox != null)
{
await Task.Delay(100);
if (CurrentComboBox.SelectedItem != null)
{
_combobox_list.ScrollToItem(CurrentComboBox.SelectedItem);
}
else
{
_combobox_list.ScrollViewer.ScrollToTop();
}
}
}
internal RelayCommand ComboBoxPickedCommand
{
get { return (RelayCommand)GetValue(ComboBoxPickedCommandProperty); }
set { SetValue(ComboBoxPickedCommandProperty, value); }
}
internal static readonly DependencyProperty ComboBoxPickedCommandProperty =
DependencyProperty.Register("ComboBoxPickedCommand", typeof(RelayCommand), typeof(TouchPanel), new PropertyMetadata(null));
internal TouchComboBox CurrentComboBox
{
get { return (TouchComboBox)GetValue(CurrentComboBoxProperty); }
set { SetValue(CurrentComboBoxProperty, value); }
}
internal static readonly DependencyProperty CurrentComboBoxProperty =
DependencyProperty.Register("CurrentComboBox", typeof(TouchComboBox), typeof(TouchPanel), new PropertyMetadata(null,(d,e) => (d as TouchPanel).OnCurrentComboBoxChanged()));
public bool HasMessageBox
{
get { return (bool)GetValue(HasMessageBoxProperty); }
set { SetValue(HasMessageBoxProperty, value); }
}
public static readonly DependencyProperty HasMessageBoxProperty =
DependencyProperty.Register("HasMessageBox", typeof(bool), typeof(TouchPanel), new PropertyMetadata(false));
public MessageBoxVM CurrentMessageBox
{
get { return (MessageBoxVM)GetValue(CurrentMessageBoxProperty); }
set { SetValue(CurrentMessageBoxProperty, value); }
}
public static readonly DependencyProperty CurrentMessageBoxProperty =
DependencyProperty.Register("CurrentMessageBox", typeof(MessageBoxVM), typeof(TouchPanel), new PropertyMetadata(null));
public bool HasDialog
{
get { return (bool)GetValue(HasDialogProperty); }
set { SetValue(HasDialogProperty, value); }
}
public static readonly DependencyProperty HasDialogProperty =
DependencyProperty.Register("HasDialog", typeof(bool), typeof(TouchPanel), new PropertyMetadata(false));
public FrameworkElement CurrentDialog
{
get { return (FrameworkElement)GetValue(CurrentDialogProperty); }
set { SetValue(CurrentDialogProperty, value); }
}
public static readonly DependencyProperty CurrentDialogProperty =
DependencyProperty.Register("CurrentDialog", typeof(FrameworkElement), typeof(TouchPanel), new PropertyMetadata(null));
public bool HasNotifications
{
get { return (bool)GetValue(HasNotificationsProperty); }
set { SetValue(HasNotificationsProperty, value); }
}
public static readonly DependencyProperty HasNotificationsProperty =
DependencyProperty.Register("HasNotifications", typeof(bool), typeof(TouchPanel), new PropertyMetadata(false));
public IList Notifications
{
get { return (IList)GetValue(NotificationsProperty); }
set { SetValue(NotificationsProperty, value); }
}
public static readonly DependencyProperty NotificationsProperty =
DependencyProperty.Register("Notifications", typeof(IList), typeof(TouchPanel), new PropertyMetadata(null));
public DataTemplate NotificationTemplate
{
get { return (DataTemplate)GetValue(NotificationTemplateProperty); }
set { SetValue(NotificationTemplateProperty, value); }
}
public static readonly DependencyProperty NotificationTemplateProperty =
DependencyProperty.Register("NotificationTemplate", typeof(DataTemplate), typeof(TouchPanel), new PropertyMetadata(null));
public String ItemExpandedPropertyPath
{
get { return (String)GetValue(ItemExpandedPropertyPathProperty); }
set { SetValue(ItemExpandedPropertyPathProperty, value); }
}
public static readonly DependencyProperty ItemExpandedPropertyPathProperty =
DependencyProperty.Register("ItemExpandedPropertyPath", typeof(String), typeof(TouchPanel), new PropertyMetadata(null));
#region Attached Properties
#region Prevent Focus Steal
/// <summary>
/// The prevent scroll property
/// </summary>
public static readonly DependencyProperty PreventFocusStealProperty =
DependencyProperty.RegisterAttached("PreventFocusSteal",
typeof(bool), typeof(TouchPanel),
new FrameworkPropertyMetadata(false));
/// <summary>
/// Sets the PreventFocusSteal attached property.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="value">if set to <c>true</c> [value].</param>
public static void SetPreventFocusSteal(FrameworkElement element, bool value)
{
element.SetValue(PreventFocusStealProperty, value);
}
/// <summary>
/// Gets the PreventFocusSteal attached property.
/// </summary>
/// <param name="element">The element.</param>
/// <returns></returns>
public static bool GetPreventFocusSteal(FrameworkElement element)
{
if (element != null)
{
return (bool)element.GetValue(PreventFocusStealProperty);
}
else
{
return false;
}
}
#endregion
#endregion
}
}
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