Changeset 2655 for trunk/sources/HeuristicLab.Core.Views/3.3/ItemViewBase.cs

Timestamp:

01/20/10 05:04:31 (14 years ago)

Author:

swagner

Message:

Committing first results of the refactoring of HeuristicLab.Core and related plugins (#95)

File:

• trunk/sources/HeuristicLab.Core.Views/3.3/ItemViewBase.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Core.Views/3.3/ItemViewBase.cs

@@ -34 +34 @@
   /// Base class for all visual representations.
   /// </summary>
-  public partial class ItemViewBase : ViewBase, IItemView {
-    private IItem myItem;
-    /// <summary>
-    /// Gets or sets the item to represent visually.
-    /// </summary>
-    /// <remarks>Calls <see cref="OnItemChanged"/>, <see cref="Refresh"/>, 
-    /// <see cref="RemoveItemEvents"/> (if the current item is not null) and 
-    /// <see cref="AddItemEvents"/> (if the new item is not null) in the setter.</remarks>
+  public partial class ItemViewBase : ObjectViewBase {
     public IItem Item {
-      get { return myItem; }
-      protected set {
-        if (value != myItem) {
-          if (myItem != null)
-            RemoveItemEvents();
-          myItem = value;
-          if (myItem != null)
-            AddItemEvents();
-          OnItemChanged();
-          Refresh();
-        }
-      }
+      get { return (IItem)base.Object; }
+      set { base.Object = value; }
     }
 
@@ -65 +48 @@
     }
 
-    /// <summary>
-    /// Removes the eventhandlers from the current instance.
-    /// </summary>
-    protected virtual void RemoveItemEvents() { }
-    /// <summary>
-    /// Adds eventhandlers to the current instance.
-    /// </summary>
-    protected virtual void AddItemEvents() { }
-
-    /// <summary>
-    /// Refreshes the current view.
-    /// </summary>
-    /// <remarks>Creates a new <see cref="MethodInvoker"/> if an invoke is required 
-    /// (see <see cref="Control.InvokeRequired"/>.<br/>
-    /// Otherwise calls <see cref="UpdateControls"/> and <see cref="Control.Refresh"/> of base class 
-    /// <see cref="System.Windows.Forms.UserControl"/>.</remarks>
-    public override void Refresh() {
-      if (InvokeRequired) {
-        Invoke(new Action(Refresh));
+    protected override void OnObjectChanged() {
+      if (Item == null) {
+        Caption = "View";
       } else {
-        UpdateControls();
-        base.Refresh();
+        Caption = Item.ItemName;
       }
-    }
-    /// <summary>
-    /// Updates the controls with the latest values of the model.
-    /// </summary>
-    protected virtual void UpdateControls() {
-      if (Item == null)
-        Caption = "View";
-      else
-        Caption = Item.Name;
-      
-    }
-
-    /// <summary>
-    /// Occurs when the current item was changed.
-    /// </summary>
-    public event EventHandler ItemChanged;
-    /// <summary>
-    /// Fires a new <c>ItemChanged</c> event.
-    /// </summary>
-    protected virtual void OnItemChanged() {
-      if (ItemChanged != null)
-        ItemChanged(this, new EventArgs());
-    }
-
-    /// <summary>
-    /// Asynchron call of GUI updating.
-    /// </summary>
-    /// <param name="method">The delegate to invoke.</param>
-    protected new void Invoke(Delegate method) {
-      // enforce context switch to improve GUI response time
-      System.Threading.Thread.Sleep(0);
-
-      // prevent blocking of worker thread in Invoke, if the control is disposed
-      IAsyncResult result = BeginInvoke(method);
-      while ((!result.AsyncWaitHandle.WaitOne(100, false)) && (!IsDisposed)) { }
-      if (!IsDisposed) EndInvoke(result);
-    }
-    /// <summary>
-    /// Asynchron call of GUI updating.
-    /// </summary>
-    /// <param name="method">The delegate to invoke.</param>
-    /// <param name="args">The invoke arguments.</param>
-    protected new void Invoke(Delegate method, params object[] args) {
-      // enforce context switch to improve GUI response time
-      System.Threading.Thread.Sleep(0);
-
-      // prevent blocking of worker thread in Invoke, if the control is disposed
-      IAsyncResult result = BeginInvoke(method, args);
-      while ((!result.AsyncWaitHandle.WaitOne(100, false)) && (!IsDisposed)) { }
-      if (!IsDisposed) EndInvoke(result);
     }
   }