MERGE!

2 files changed, 257 insertions, 54 deletions

diff --git a/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBox.cs b/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBox.cs
index 66eaa4e14..153b36804 100644
--- a/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBox.cs
+++ b/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBox.cs
@@ -16,35 +16,90 @@ using System.Windows.Navigation;
 using System.Windows.Shapes;
 using Tango.Core.Commands;
 using System.ComponentModel;
+using System.Windows.Controls.Primitives;
+using System.Windows.Threading;
+using System.Diagnostics;
 
 namespace Tango.SharedUI.Controls
 {
+    internal sealed class MultiSelectComboBoxTemplateSelector : DataTemplateSelector
+    {
+        public override DataTemplate SelectTemplate(object item, DependencyObject container)
+        {
+            FrameworkElement element = container as FrameworkElement;
+            if (element != null && item != null && item is MultiSelectComboBoxItem)
+                return element.FindResource("CheckItem") as DataTemplate;
+           
+            return element.FindResource("SearchItem") as DataTemplate; ;
+
+        }
+    }
+    
+    [TemplatePart(Name = MultiSelectComboBox.PartEditor, Type = typeof(TextBox))]
+    [TemplatePart(Name = MultiSelectComboBox.PartPopup, Type = typeof(Popup))]
     public class MultiSelectComboBox : Control
     {
+        #region Fields
+        public const string PartEditor = "Edit_PART";
+        public const string PartPopup = "MultiSel_Popup";
+        private ItemsControl _items_control;
+        private bool _isLoaded;
+        #endregion
+        #region "Constructors"  
+
         static MultiSelectComboBox()
         {
             DefaultStyleKeyProperty.OverrideMetadata(typeof(MultiSelectComboBox), new FrameworkPropertyMetadata(typeof(MultiSelectComboBox)));
             
         }
-
         public MultiSelectComboBox() : base()
         {
-            RemoveAllCommand = new RelayCommand((() => SelectedItemsList.Clear()), () => SelectedItemsList != null && SelectedItemsList.Count > 0);
-            RemoveItemCommand = new RelayCommand<string>((item) => SelectedItemsList.Remove(item), () => SelectedItemsList != null);
-            AddItemCommand = new RelayCommand<string>((item) => SelectedItemsList.Add(item));
-            SearchText = "";
+            SelectedItemsList = new ObservableCollection<object>();
+            RemoveAllCommand = new RelayCommand(RemoveAllSelectedItems, CanRemoveAllSelectedItems);
+            RemoveItemCommand = new RelayCommand<MultiSelectComboBoxItem>(RemoveSelectedItem);
+            AddItemCommand = new RelayCommand<string>(AddSelectedItem);
+            SearchText = new MultiSelectComboBoxSearchItem();
+            Loaded += MultiSelectComboBox_Loaded;
+            _isLoaded = false;
+
+
         }
+        #endregion
 
         #region Properties
 
-        public ObservableCollection<string> SelectedItemsList
+        private TextBox _editor;
+
+        public TextBox Editor
         {
-            get { return (ObservableCollection<string>)GetValue(SelectedItemsListProperty); }
+            get { return _editor; }
+            set { _editor = value; }
+        }
+
+        private Popup _popup;
+
+        public Popup Popup
+        {
+            get { return _popup; }
+            set { _popup = value; }
+        }
+
+        private DispatcherTimer _fetchTimer;
+
+        public DispatcherTimer FetchTimer
+        {
+            get { return _fetchTimer; }
+            set { _fetchTimer = value; }
+        }
+
+        public ObservableCollection<object> SelectedItemsList
+        {
+            get { return (ObservableCollection<object>)GetValue(SelectedItemsListProperty); }
             set { SetValue(SelectedItemsListProperty, value); }
         }
         
         public static readonly DependencyProperty SelectedItemsListProperty =
-            DependencyProperty.Register("SelectedItemsList", typeof(ObservableCollection<string>), typeof(MultiSelectComboBox), new PropertyMetadata(default(ObservableCollection<string>)));
+            DependencyProperty.Register("SelectedItemsList", typeof(ObservableCollection<object>), typeof(MultiSelectComboBox), new PropertyMetadata(default(ObservableCollection<object>)));
 
  
         public ListCollectionView SearchItemsList
@@ -67,114 +122,223 @@ namespace Tango.SharedUI.Controls
         public static readonly DependencyProperty ItemsProperty =
             DependencyProperty.Register("Items", typeof(ObservableCollection<string>), typeof(MultiSelectComboBox), new PropertyMetadata(default(ObservableCollection<string>)));
 
-
-
+        
         public bool IsToggleChecked
         {
             get { return (bool)GetValue(IsToggleCheckedProperty); }
             set { SetValue(IsToggleCheckedProperty, value); }
         }
-        public static readonly DependencyProperty IsToggleCheckedProperty =
-            DependencyProperty.Register("IsToggleChecked", typeof(bool), typeof(MultiSelectComboBox), new PropertyMetadata(false));
-
 
+        public static readonly DependencyProperty IsToggleCheckedProperty = 
+            DependencyProperty.Register("IsToggleChecked", typeof(bool), typeof(MultiSelectComboBox), new FrameworkPropertyMetadata(false));
 
-        private string _searchText;
+        private MultiSelectComboBoxSearchItem _searchText;
         /// <summary>
         /// Gets or sets the search text of TextBox.
         /// </summary>
-        public string SearchText
+        public MultiSelectComboBoxSearchItem SearchText
         {
             get { return _searchText; }
-            set {_searchText = value;
-                RaisePropertyChanged("SearchText");
+            set
+            {
+                _searchText = value;
                 OnTextChanged();
             }
         }
+        #endregion
+
+        private void MultiSelectComboBox_Loaded(object sender, RoutedEventArgs e)
+        {
+            if (!_isLoaded)
+            {
+                ToggleButton b2 = GetTemplateChild("MultiSelToggleButton") as ToggleButton;
+                if (b2 != null)
+                {
+                   // ct.LoadContent();
+                    _items_control = b2.Template.FindName("SelectedItemsControl", b2) as ItemsControl;
+                    if (_items_control != null)
+                    {
+                        var wrapPanel = _items_control.FindChild<WrapPanel>();
+                        if (wrapPanel != null)
+                        {
+                            _items_control.Bind(ItemsControl.HeightProperty, wrapPanel, WrapPanel.ActualHeightProperty, BindingMode.OneWay);
+                            _isLoaded = true;
+
+                            var searchItem =(_items_control.ItemContainerGenerator.ContainerFromItem(SearchText));
+                            Editor = searchItem.FindVisualChildren< TextBox>().FirstOrDefault(x => x.Name == PartEditor);
+                            if (Editor != null)
+                            {
+                                Editor.TextChanged += OnEditorTextChanged;
+                                Editor.PreviewKeyDown += OnEditorKeyDown;
+                                Editor.LostFocus += OnEditorLostFocus;
+                                Editor.GotFocus += OnEditorGotFocus;
+                            }
+                        }
+                    }
+                    this.GotFocus += SelTextBox_GotFocus;
+                }
+            }
+        }
 
         void OnTextChanged()
         {
             if(SearchItemsList != null)
             {
-                if (String.IsNullOrEmpty(SearchText))
+                if (String.IsNullOrEmpty(SearchText.Text))
                    SearchItemsList.Filter = null;
                 else
-                    SearchItemsList.Filter = new Predicate<object>(o => ((string)o == SearchText));
+                    SearchItemsList.Filter = new Predicate<object>(o => (((string)o).ToLower().Contains(SearchText.Text.ToLower())));
             }
         }
         /// <summary>
-        /// Occurs when a property has changed.
-        /// </summary>
-        public event PropertyChangedEventHandler PropertyChanged;
-
-        /// <summary>
-        /// Raises the property changed event.
-        /// </summary>
-        /// <param name="propName">Name of the property.</param>
-        protected virtual void RaisePropertyChanged(String propName)
-        {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propName));
-        }
-
-       
-        #endregion
-
-        /// <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()
         {
             base.OnApplyTemplate();
             if (SelectedItemsList == null)
-                SelectedItemsList = new ObservableCollection<string>();
+                SelectedItemsList = new ObservableCollection<object>();
+            SelectedItemsList.Add(SearchText);
+            
             SearchItemsList = new ListCollectionView(this.Items);
+            Popup = Template.FindName(PartPopup, this) as Popup;
+           
 
-            //ItemsControl iControl = FindName("asd") as ItemsControl;
-            //iControl.ItemContainerGenerator.ItemsChanged += ItemContainerGenerator_ItemsChanged;
-            //iControl.ItemContainerGenerator.ContainerFromItem(null);
+            if (Popup != null)
+            {
+                Popup.StaysOpen = false;
+                Popup.Opened += OnPopupOpened;
+                Popup.Closed += OnPopupClosed;
+            }
+        }
+
+        private void OnEditorTextChanged(object sender, TextChangedEventArgs e)
+        {
+            if (FetchTimer == null)
+            {
+                FetchTimer = new DispatcherTimer();
+                FetchTimer.Interval = TimeSpan.FromMilliseconds(500);
+                FetchTimer.Tick += OnFetchTimerTick;
+            }
+            FetchTimer.IsEnabled = false;
+            FetchTimer.Stop();
+            IsToggleChecked = true;
+               
+            FetchTimer.IsEnabled = true;
+            FetchTimer.Start();
+           
+        }
+
+        private void OnFetchTimerTick(object sender, EventArgs e)
+        {
+            FetchTimer.IsEnabled = false;
+            FetchTimer.Stop();
+            SearchText.Text = Editor.Text;
+            OnTextChanged();
+        }
 
-            //for (int i = 0; i < iControl.Items.Count; i++)
-            //{
-            //    FrameworkElement a = iControl.ItemContainerGenerator.ContainerFromIndex(i) as FrameworkElement;
-            //}
+        private void OnEditorKeyDown(object sender, KeyEventArgs e)
+        {
+            IsToggleChecked = true;
         }
 
-        private void ItemContainerGenerator_ItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs e)
+        private void OnEditorLostFocus(object sender, RoutedEventArgs e)
+        {
+            if (!IsKeyboardFocusWithin)
+            {
+                IsToggleChecked = false;
+            }
+        }
+
+        private void SelTextBox_GotFocus(object sender, RoutedEventArgs e)
+        {
+            Editor?.Focus();
+        }
+
+        private void OnEditorGotFocus(object sender, RoutedEventArgs e)
+        {
+            IsToggleChecked = true;
+        }
+
+        private void OnPopupOpened(object sender, EventArgs e)
         {
             
         }
+        private void OnPopupClosed(object sender, EventArgs e)
+        {
+            IsToggleChecked = false;
 
+        }
         #region Commands
         /// <summary>
         /// The remove all command property for clear SelectedItemsList
         /// </summary>
-        public static DependencyProperty RemoveAllCommandProperty = DependencyProperty.Register("RemoveAllCommand", typeof(ICommand), typeof(MultiSelectComboBox));
-        public ICommand RemoveAllCommand
+        public static DependencyProperty RemoveAllCommandProperty = DependencyProperty.Register("RemoveAllCommand", typeof(RelayCommand), typeof(MultiSelectComboBox));
+        public RelayCommand RemoveAllCommand
         {
-            get { return (ICommand)GetValue(RemoveAllCommandProperty); }
+            get { return (RelayCommand)GetValue(RemoveAllCommandProperty); }
             private set { SetValue(RemoveAllCommandProperty, value); }
         }
 
         /// <summary>
         /// The remove item from SelectedItemsList command property
         /// </summary>
-        public static DependencyProperty RemoveItemCommandProperty = DependencyProperty.Register("RemoveItemCommand", typeof(RelayCommand<string>), typeof(MultiSelectComboBox));
-        public RelayCommand<string> RemoveItemCommand
+        public static DependencyProperty RemoveItemCommandProperty = DependencyProperty.Register("RemoveItemCommand", typeof(RelayCommand<MultiSelectComboBoxItem>), typeof(MultiSelectComboBox));
+        public RelayCommand<MultiSelectComboBoxItem> RemoveItemCommand
         {
-            get { return (RelayCommand<string>)GetValue(RemoveItemCommandProperty); }
+            get { return (RelayCommand<MultiSelectComboBoxItem>)GetValue(RemoveItemCommandProperty); }
             private set { SetValue(RemoveItemCommandProperty, value); }
         }
 
-        
+        /// <summary>
+        /// The add item to SelectedItemsList command property
+        /// </summary>
         public static DependencyProperty AddItemCommandProperty = DependencyProperty.Register("AddItemCommand", typeof(RelayCommand<string>), typeof(MultiSelectComboBox));
         public RelayCommand<string> AddItemCommand
         {
             get { return (RelayCommand<string>)GetValue(AddItemCommandProperty); }
             private set { SetValue(AddItemCommandProperty, value); }
         }
+
+        /// <summary>
+        /// Removes the selected item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        private void RemoveSelectedItem(IMultiSelectComboBoxItem item)
+        {
+            SelectedItemsList.Remove(item);
+            RemoveAllCommand.RaiseCanExecuteChanged();
+        }
+
+        /// <summary>
+        /// Adds the selected item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        private void AddSelectedItem(string item)
+        {
+            if (SelectedItemsList.Any(x => (x as IMultiSelectComboBoxItem).Text == item))
+                return;
+            SelectedItemsList.Insert(SelectedItemsList.Count - 1, new MultiSelectComboBoxItem(item));
+            RemoveAllCommand.RaiseCanExecuteChanged();
+        }
+        /// <summary>
+        /// Removes all selected items.
+        /// </summary>
+        private void RemoveAllSelectedItems()
+        {
+            int index = SelectedItemsList.Count - 2;
+            while (index >= 0)
+            {
+                SelectedItemsList.RemoveAt(index--);
+             }
+            RemoveAllCommand.RaiseCanExecuteChanged();
+        }
+        private bool CanRemoveAllSelectedItems()
+        {
+            return (SelectedItemsList != null && SelectedItemsList.Count > 1);
+        }
         #endregion
 
-       
-        
+
     }
 }
diff --git a/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBoxItem.cs b/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBoxItem.cs
new file mode 100644
index 000000000..2dcaa977a
--- /dev/null
+++ b/Software/Visual_Studio/Tango.SharedUI/Controls/MultiSelectComboBoxItem.cs
@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.SharedUI.Controls
+{
+    interface IMultiSelectComboBoxItem
+    {
+        string Text { get; set; }
+    }
+
+    public class MultiSelectComboBoxItem : IMultiSelectComboBoxItem
+    {
+        public string Text { get; set; }
+        public MultiSelectComboBoxItem(string text)
+        {
+            Text = text;
+        }
+        public override string ToString()
+        {
+            return Text;
+        }
+    }
+
+    public class MultiSelectComboBoxSearchItem : IMultiSelectComboBoxItem
+    {
+        public string Text { get; set; }
+        public MultiSelectComboBoxSearchItem(string text = "")
+        {
+            Text = text;
+        }
+        public override string ToString()
+        {
+            return Text;
+        }
+    }
+}