Initial commit

2026-02-16 18:47:28 -05:00 · 2014-04-30 17:47:28 -04:00
commit 60d6f93543
102 changed files with 11747 additions and 0 deletions
--- a/Entities.cs
+++ b/Entities.cs
@@ -0,0 +1,127 @@
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+
+namespace FeedCenter
+{
+    public partial class FeedCenterEntities
+    {
+        #region Dispose
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                ObjectStateManager.ObjectStateManagerChanged -= HandleObjectStateManagerObjectStateManagerChanged;
+                _hookedStateManager = false;
+            }
+
+            base.Dispose(disposing);
+        }
+
+        #endregion
+
+        private bool _hookedStateManager;
+
+        #region All categories
+
+        private ObservableCollection<Category> _allCategories;
+
+        public ObservableCollection<Category> AllCategories
+        {
+            get
+            {
+                if (_allCategories == null)
+                {
+                    _allCategories = new ObservableCollection<Category>(Categories);
+
+                    if (!_hookedStateManager)
+                    {
+                        ObjectStateManager.ObjectStateManagerChanged += HandleObjectStateManagerObjectStateManagerChanged;
+                        _hookedStateManager = true;
+                    }
+                }
+
+                return _allCategories;
+            }
+        }
+
+        #endregion
+
+        #region All feeds
+
+        private ObservableCollection<Feed> _allFeeds;
+
+        public ObservableCollection<Feed> AllFeeds
+        {
+            get
+            {
+                if (_allFeeds == null)
+                {
+                    _allFeeds = new ObservableCollection<Feed>(Feeds);
+
+                    if (!_hookedStateManager)
+                    {
+                        ObjectStateManager.ObjectStateManagerChanged += HandleObjectStateManagerObjectStateManagerChanged;
+                        _hookedStateManager = true;
+                    }
+                }
+
+                return _allFeeds;
+            }
+        }
+
+        #endregion
+
+        #region Object state manager
+
+        void HandleObjectStateManagerObjectStateManagerChanged(object sender, CollectionChangeEventArgs e)
+        {
+            if (e.Element is Category)
+            {
+                if (_allCategories == null)
+                    return;
+                
+                Category category = e.Element as Category;
+
+                switch (e.Action)
+                {
+                    case CollectionChangeAction.Add:
+                        _allCategories.Add(category);
+                        break;
+                    case CollectionChangeAction.Remove:
+                        _allCategories.Remove(category);
+                        break;
+                    case CollectionChangeAction.Refresh:
+                        _allCategories.Clear();
+                        foreach (Category loopCategory in Categories)
+                            _allCategories.Add(loopCategory);
+                        break;
+                }
+            }
+            else if (e.Element is Feed)
+            {
+                if (_allFeeds == null)
+                    return;
+
+                Feed feed = e.Element as Feed;
+
+                switch (e.Action)
+                {
+                    case CollectionChangeAction.Add:
+                        _allFeeds.Add(feed);
+                        break;
+                    case CollectionChangeAction.Remove:
+                        _allFeeds.Remove(feed);
+                        break;
+                    case CollectionChangeAction.Refresh:
+                        _allFeeds.Clear();
+                        foreach (Feed loopfeed in Feeds)
+                            _allFeeds.Add(loopfeed);
+                        break;
+                }                
+            }
+        }
+
+        #endregion
+    }
+}