Widow – Diff between revs 1 and 9

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Rev 1 – Rev 11 – Go to most recent revision – Details – Blame – Last modification – View Log

+ï»¿using System;
-ï»¿using System.Collections.Generic;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
 using System.ComponentModel;
+using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Xml.Serialization;
 using Windows.Annotations;
 namespace Windows
+{
     [XmlRoot(Namespace = "urn:widow-windows-schema", ElementName = "Windows")]
-    public class Windows : INotifyPropertyChanged
+    public class Windows : INotifyPropertyChanged, IDisposable
+    {
         #region Public Enums, Properties and Fields
         [XmlElement(ElementName = "Window")]
-        public List<Window> Window
+        public ObservableCollection<Window> Window
+        {
             get => _window;
             set
+            {
                 if (Equals(value, _window))
+                {
+                    return;
                     return;
+                _window.CollectionChanged -= _window_CollectionChanged;
+                _window = value;
+                _windows.Clear();
+                foreach (var window in value)
+                {
+                    _windows.Add(window.Name);
+                }
-                _window = value;
+                _window.CollectionChanged += _window_CollectionChanged;
                 OnPropertyChanged();
+            }
+        }
-        }
+        #endregion
-        #endregion
+        #region Private Delegates, Events, Enums, Properties, Indexers and Fields
-        #region Private Delegates, Events, Enums, Properties, Indexers and Fields
+        private ObservableCollection<Window> _window = new ObservableCollection<Window>();
+        private HashSet<string> _windows = new HashSet<string>();
+        #endregion
+        #region Constructors, Destructors and Finalizers
-        private List<Window> _window = new List<Window>();
+        [UsedImplicitly]
         public Windows()
         #endregion
             _window.CollectionChanged += _window_CollectionChanged;
         #region Constructors, Destructors and Finalizers
+        public void Dispose()
+        {
+            Window.CollectionChanged -= _window_CollectionChanged;
+        }
+        #endregion
+        #region Interface
+        public event PropertyChangedEventHandler PropertyChanged;
+        #endregion
+        #region Event Handlers
+        private void _window_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
+        {
+            if (e.OldItems != null)
+            {
+                foreach (var window in e.OldItems.OfType<Window>())
+                {
+                    if (_windows.Contains(window.Name))
+                    {
+                        _windows.Remove(window.Name);
+                    }
+                }
+            }
+            if (e.NewItems != null)
+            {
+                foreach (var window in e.NewItems.OfType<Window>())
+                {
+                    if (!_windows.Contains(window.Name))
+                    {
+                        _windows.Add(window.Name);
+                    }
+                }
+            }
         [UsedImplicitly]
         public Windows()
         #endregion