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path: root/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Stubs/Views/MainView.xaml
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<UserControl x:Class="Tango.MachineStudio.Stubs.Views.MainView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:views="clr-namespace:Tango.MachineStudio.Stubs.Views"
             xmlns:global="clr-namespace:Tango.MachineStudio.Stubs"
             xmlns:stubs="clr-namespace:Tango.Stubs.Views;assembly=Tango.Stubs"
             
             xmlns:local="clr-namespace:Tango.MachineStudio.Stubs.Views"
             mc:Ignorable="d" 
             d:DesignHeight="720" d:DesignWidth="1280" Background="{StaticResource DarkGrayBrush}" Foreground="{StaticResource BorderBrushGainsboro}" DataContext="{x:Static global:ViewModelLocator.MainViewVM}">

    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <!-- MahApps.Metro resource dictionaries. Make sure that all file names are Case Sensitive! -->
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml" />

                <!-- Accent and AppTheme setting -->

                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseDark.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/FlatButton.xaml" />

                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/VS/Colors.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/VS/Styles.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </UserControl.Resources>

    <Grid>
        <stubs:StubsView DataContext="{Binding StubsViewVM}" />
    </Grid>
</UserControl>
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-22 05:57:43 +0000
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
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.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using Tango.Core.Commands;
using Tango.Core.EventArguments;

namespace Tango.Touch.Controls
{
    public class TouchNotificationBar : ContentControl
    {
        private const double HEIGHT_RATIO = 0.75;

        private bool _isMouseDown;
        private Point _mouseDownLocation;
        private bool _isMoving;
        private Point _downLocation;
        private TouchDevice _touchDevice;
        private double _last_manipulation_delta;
        private DateTime _last_delta_measure_time;
        private double _last_mouse_y;



        private Border _border_notifications;
        private Border _border_drag;
        private Grid _grid_container;
        private Grid _grid_mask;
        private ItemsControl _items_control;
        private Grid _notification_counter_grid;
        private LightTouchScrollViewer _scrollViewer;

        static TouchNotificationBar()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(TouchNotificationBar), new FrameworkPropertyMetadata(typeof(TouchNotificationBar)));
        }

        public String ItemExpandedPropertyPath
        {
            get { return (String)GetValue(ItemExpandedPropertyPathProperty); }
            set { SetValue(ItemExpandedPropertyPathProperty, value); }
        }
        public static readonly DependencyProperty ItemExpandedPropertyPathProperty =
            DependencyProperty.Register("ItemExpandedPropertyPath", typeof(String), typeof(TouchNotificationBar), 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(TouchNotificationBar), new PropertyMetadata(false, (d, e) => (d as TouchNotificationBar).OnHasNotificationsChanged()));

        public IList Notifications
        {
            get { return (IList)GetValue(NotificationsProperty); }
            set { SetValue(NotificationsProperty, value); }
        }
        public static readonly DependencyProperty NotificationsProperty =
            DependencyProperty.Register("Notifications", typeof(IList), typeof(TouchNotificationBar), new PropertyMetadata(null, (d, e) => (d as TouchNotificationBar).OnNotificationsChanged()));


        public DataTemplate NotificationTemplate
        {
            get { return (DataTemplate)GetValue(NotificationTemplateProperty); }
            set { SetValue(NotificationTemplateProperty, value); }
        }
        public static readonly DependencyProperty NotificationTemplateProperty =
            DependencyProperty.Register("NotificationTemplate", typeof(DataTemplate), typeof(TouchNotificationBar), new PropertyMetadata(null));

        public double CurrentMinHeight
        {
            get { return (double)GetValue(CurrentMinHeightProperty); }
            set { SetValue(CurrentMinHeightProperty, value); }
        }
        public static readonly DependencyProperty CurrentMinHeightProperty =
            DependencyProperty.Register("CurrentMinHeight", typeof(double), typeof(TouchNotificationBar), new PropertyMetadata(0.0));

        public bool IsExpanded
        {
            get { return (bool)GetValue(IsExpandedProperty); }
            set { SetValue(IsExpandedProperty, value); }
        }
        public static readonly DependencyProperty IsExpandedProperty =
            DependencyProperty.Register("IsExpanded", typeof(bool), typeof(TouchNotificationBar), new PropertyMetadata(false));



        public RelayCommand NotificationPressedCommand
        {
            get { return (RelayCommand)GetValue(NotificationPressedCommandProperty); }
            set { SetValue(NotificationPressedCommandProperty, value); }
        }
        public static readonly DependencyProperty NotificationPressedCommandProperty =
            DependencyProperty.Register("NotificationPressedCommand", typeof(RelayCommand), typeof(TouchNotificationBar), new PropertyMetadata(null));




        public Visibility NotificationBarVisibility
        {
            get { return (Visibility)GetValue(NotificationBarVisibilityProperty); }
            set { SetValue(NotificationBarVisibilityProperty, value); }
        }
        public static readonly DependencyProperty NotificationBarVisibilityProperty =
            DependencyProperty.Register("NotificationBarVisibility", typeof(Visibility), typeof(TouchNotificationBar), new PropertyMetadata(Visibility.Visible));




        public TouchNotificationBar()
        {
            Loaded += TouchNotificationBar_Loaded;

            NotificationPressedCommand = new RelayCommand(() =>
            {
                if (IsExpanded && !_scrollViewer.IsAfterScrolling)
                {
                    CloseNotifications();
                }
            });
        }

        private void TouchNotificationBar_Loaded(object sender, RoutedEventArgs e)
        {
            _border_drag.MaxHeight = ActualHeight;
        }

        public override void OnApplyTemplate()
        {
            base.OnApplyTemplate();
            _border_notifications = GetTemplateChild("PART_BorderNotifications") as Border;
            _border_drag = GetTemplateChild("PART_BorderDrag") as Border;
            _grid_container = GetTemplateChild("PART_Grid_Container") as Grid;
            _grid_mask = GetTemplateChild("PART_GridMask") as Grid;
            _items_control = GetTemplateChild("PART_ItemsControl") as ItemsControl;
            _notification_counter_grid = GetTemplateChild("PART_NotificationCounterGrid") as Grid;
            _scrollViewer = GetTemplateChild("PART_ScrollViewer") as LightTouchScrollViewer;

            //border_notifications.IsManipulationEnabled = true;
            _border_drag.RegisterForPreviewMouseOrTouchDown(GridNotificationMouseDown);
            _border_drag.RegisterForMouseOrTouchMove(GridNotificationMouseMove);
            _border_drag.RegisterForPreviewMouseOrTouchUp(GridNotificationMouseUp);

            _border_drag.SizeChanged += Drag_Border_SizeChanged;
            _items_control.ItemContainerGenerator.StatusChanged += ItemContainerGenerator_StatusChanged;
        }

        private void ItemContainerGenerator_StatusChanged(object sender, EventArgs e)
        {
            if (_items_control.ItemContainerGenerator.Status == System.Windows.Controls.Primitives.GeneratorStatus.ContainersGenerated)
            {
                if (_items_control.Items.Count > 0)
                {
                    var element = _items_control.ItemContainerGenerator.ContainerFromIndex(0) as FrameworkElement;

                    if (element != null)
                    {
                        element.RegisterForLoadedOrNow((x, y) =>
                        {
                            CurrentMinHeight = element.ActualHeight;
                            ResizeNotification(element);
                        });
                    }
                }
                else
                {
                    CurrentMinHeight = 0;
                }
            }
        }

        private FrameworkElement GetLastNotification()
        {
            return _items_control.ItemContainerGenerator.ContainerFromIndex(0) as FrameworkElement;
        }

        private void Drag_Border_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            _grid_mask.Opacity = _border_drag.ActualHeight / ActualHeight;

            ResizeNotifications();

            if (e.NewSize.Height > CurrentMinHeight)
            {
                _notification_counter_grid.Visibility = Visibility.Hidden;
            }
            else
            {
                _notification_counter_grid.Visibility = Visibility.Visible;
            }
        }

        private void ResizeNotifications()
        {
            for (int i = 0; i < _items_control.Items.Count; i++)
            {
                FrameworkElement element = _items_control.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;
                ResizeNotification(element);
            }
        }

        private void ResizeNotification(FrameworkElement element)
        {
            var control = element.FindChild<UserControl>();

            if (control != null && !double.IsNaN(_border_drag.Height))
            {
                control.Height = ((_border_drag.Height - CurrentMinHeight) / ActualHeight) * (control.MaxHeight - control.MinHeight) + control.MinHeight;
            }
        }

        private void OnHasNotificationsChanged()
        {
            DoubleAnimation ani = new DoubleAnimation();
            ani.Duration = TimeSpan.FromSeconds(0.2);

            _grid_container.EnsureHeight();

            if (HasNotifications)
            {
                var last = GetLastNotification();

                last.RegisterForLoadedOrNow((x, e) =>
                {
                    ani.To = last.ActualHeight;
                    _grid_container.BeginAnimation(Grid.HeightProperty, ani);
                    _border_notifications.Height = last.ActualHeight;
                });
            }
            else
            {
                CurrentMinHeight = 0;
                ani.To = 0;
                CloseNotifications();
                _grid_container.BeginAnimation(Grid.HeightProperty, ani);
            }
        }

        private void OnNotificationsChanged()
        {
            UpdateExpanded(IsExpanded);

            if (Notifications is INotifyCollectionChanged)
            {
                (Notifications as INotifyCollectionChanged).CollectionChanged += (_, __) =>
                {
                    this.BeginInvoke(() =>
                    {
                        UpdateExpanded(IsExpanded);
                    });
                };
            }
        }

        private void UpdateExpanded(bool expanded)
        {
            if (ItemExpandedPropertyPath != null)
            {
                foreach (var item in Notifications.Cast<Object>().ToList())
                {
                    item.SetPropertyValueByPath(ItemExpandedPropertyPath, expanded);
                }
            }
        }

        private void OpenNotifications()
        {
            _border_drag.EnsureHeight();
            _border_notifications.EnsureHeight();

            _border_drag.StartDoubleAnimation(Border.HeightProperty, TimeSpan.FromSeconds(0.2), _border_drag.MaxHeight, null, null, 1, () =>
             {
                 IsExpanded = true;
             });
            _border_notifications.StartDoubleAnimation(Border.HeightProperty, TimeSpan.FromSeconds(0.2), ActualHeight * HEIGHT_RATIO, null, null, 1);

            UpdateExpanded(true);
        }

        private void CloseNotifications()
        {
            _border_drag.EnsureHeight();
            _border_notifications.EnsureHeight();
            _scrollViewer.ScrollToTop();

            _border_notifications.StartDoubleAnimation(Border.HeightProperty, TimeSpan.FromSeconds(0.2), CurrentMinHeight, null, 1, null, () =>
              {
                  _border_notifications.BeginAnimation(Border.HeightProperty, null);
                  _border_notifications.Height = CurrentMinHeight;

                  for (int i = 0; i < _items_control.Items.Count; i++)
                  {
                      FrameworkElement element = _items_control.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;

                      var control = element.FindChild<UserControl>();

                      if (control != null)
                      {
                          control.Height = control.MinHeight;
                      }
                  }
              });

            _border_drag.StartDoubleAnimation(Border.HeightProperty, TimeSpan.FromSeconds(0.2), CurrentMinHeight, null, 1, null, () =>
            {
                _border_drag.BeginAnimation(Border.HeightProperty, null);
                _border_drag.Height = double.NaN;
            });

            ThicknessAnimation tAni = new ThicknessAnimation();
            tAni.Duration = TimeSpan.FromSeconds(0.3);
            tAni.To = new Thickness(0);
            _border_notifications.BeginAnimation(Border.BorderThicknessProperty, tAni);

            UpdateExpanded(false);

            IsExpanded = false;
        }

        private void GridNotificationMouseUp(object sender, MouseOrTouchEventArgs e)
        {
            if (_isMouseDown)
            {
                _isMouseDown = false;

                if (_isMoving)
                {
                    if (_touchDevice != null)
                    {
                        _border_drag.ReleaseTouchCapture(_touchDevice);
                        _touchDevice = null;
                    }
                    else
                    {
                        _border_drag.ReleaseMouseCapture();
                    }

                    e.Handled = true;
                    _isMoving = false;

                    if ((e.GetPosition(this).Y > ActualHeight / 2 && _last_manipulation_delta > 0) || _last_manipulation_delta > 20)
                    {
                        OpenNotifications();
                    }
                    else if ((e.GetPosition(this).Y < ActualHeight / 2 && _last_manipulation_delta < 0) || _last_manipulation_delta < 20)
                    {
                        CloseNotifications();
                    }
                }
            }
        }

        private void GridNotificationMouseMove(object sender, MouseOrTouchEventArgs e)
        {
            if (_isMouseDown)
            {
                if (Math.Abs(e.Location.Y - _downLocation.Y) > 5)
                {
                    _isMoving = true;
                }

                if (_isMoving)
                {
                    DateTime curTime = DateTime.Now;

                    if (curTime > _last_delta_measure_time.AddMilliseconds(10))
                    {
                        _last_delta_measure_time = curTime;

                        double delta = e.Location.Y - _last_mouse_y;

                        if (delta != 0)
                        {
                            _last_manipulation_delta = delta;
                        }

                        _last_mouse_y = e.Location.Y;
                    }

                    if (e.TouchDevice != null)
                    {
                        _border_drag.CaptureTouch(e.TouchDevice);
                    }
                    else
                    {
                        Mouse.Capture(_border_drag);
                    }

                    _border_drag.Height = Math.Max(e.Location.Y + _mouseDownLocation.Y, CurrentMinHeight);
                    _border_notifications.Height = Math.Min(_border_drag.Height * HEIGHT_RATIO, ActualHeight * HEIGHT_RATIO);

                    _border_drag.BeginAnimation(Border.HeightProperty, null);
                    _border_notifications.BeginAnimation(Border.HeightProperty, null);

                    _border_notifications.BeginAnimation(Border.BorderThicknessProperty, null);

                    if (_border_notifications.ActualHeight > CurrentMinHeight)
                    {
                        _border_notifications.BorderThickness = new Thickness(0, 0, 0, 20);
                    }
                    else
                    {
                        _border_notifications.BorderThickness = new Thickness(0);
                    }
                }
            }
        }

        private void GridNotificationMouseDown(object sender, MouseOrTouchEventArgs e)
        {
            if (!IsExpanded || e.OriginalSource == _border_drag)
            {
                _mouseDownLocation = new Point(e.Location.X, _border_drag.ActualHeight - e.Location.Y);
                _downLocation = e.Location;
                _last_mouse_y = _downLocation.Y;
                _last_delta_measure_time = DateTime.Now;
                _last_manipulation_delta = 0;
                _isMouseDown = true;
            }
        }
    }
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-22 05:57:43 +0000