Changeset 2548 for trunk/sources/HeuristicLab.MainForm.WindowsForms/3.2/MainFormBase.cs

Timestamp:

12/10/09 10:11:28 (14 years ago)

Author:

mkommend

Message:

added ViewShown, ViewHidden and ViewClosed events in MainForm (ticket #771)

File:

• trunk/sources/HeuristicLab.MainForm.WindowsForms/3.2/MainFormBase.cs (modified) (7 diffs)

trunk/sources/HeuristicLab.MainForm.WindowsForms/3.2/MainFormBase.cs

@@ -130 +130 @@
     }
 
+    public event EventHandler<ViewEventArgs> ViewClosed;
+    protected virtual void OnViewClosed(IView view) {
+      if (InvokeRequired) Invoke((Action<IView>)OnViewClosed, view);
+      else if (this.ViewClosed != null) {
+        this.ViewClosed(this, new ViewEventArgs(view));
+      }
+    }
+
+    public event EventHandler<ViewShownEventArgs> ViewShown;
+    protected virtual void OnViewShown(IView view, bool firstTimeShown) {
+      if (InvokeRequired) Invoke((Action<IView, bool>)OnViewShown, view, firstTimeShown);
+      else if (this.ViewShown != null) {
+        this.ViewShown(this, new ViewShownEventArgs(view, firstTimeShown));
+      }
+    }
+
+    public event EventHandler<ViewEventArgs> ViewHidden;
+    protected virtual void OnViewHidden(IView view) {
+      if (InvokeRequired) Invoke((Action<IView>)OnViewHidden, view);
+      else if (this.ViewHidden != null) {
+        this.ViewHidden(this, new ViewEventArgs(view));
+      }
+    }
+
     public event EventHandler Changed;
     public void FireMainFormChanged() {
@@ -145 +169 @@
     }
 
-    public virtual bool ShowView(IView view) {
-      if (InvokeRequired) return (bool)Invoke((Func<IView, bool>)ShowView, view);
+    public void ShowView(IView view) {
+      if (InvokeRequired) Invoke((Action<IView>)ShowView, view);
       else {
         if (!views.Keys.Contains(view)) {
@@ -159 +183 @@
           foreach (IUserInterfaceItem item in UserInterfaceItems)
             view.Changed += new EventHandler(item.ViewChanged);
-          return true;
-        } else
-          return false;
-      }
-    }
-
-    public virtual void HideView(IView view) {
+          this.Show(view, true);
+          this.OnViewShown(view, true);
+        } else {
+          this.Show(view, false);
+          this.OnViewShown(view, false);
+        }
+      }
+    }
+
+    protected virtual void Show(IView view, bool firstTimeShown) {      
+    }
+
+    public void HideView(IView view) {
       if (InvokeRequired) Invoke((Action<IView>)HideView, view);
       else {
-        if (views.ContainsKey(view))
-          views[view].Hide();
-      }
+        if (this.views.ContainsKey(view)) {
+          this.Hide(view);
+          this.OnViewHidden(view);
+        }
+      }
+    }
+
+    protected virtual void Hide(IView view) {
     }
 
@@ -176 +211 @@
       if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
       else {
-        if (views.ContainsKey(view))
-          views[view].Close();
+        if (this.views.ContainsKey(view)) {
+          this.views[view].Close();
+          this.OnViewClosed(view);
+        }
       }
     }
@@ -184 +221 @@
       if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
       else {
-        if (views.ContainsKey(view)) {
+        if (this.views.ContainsKey(view)) {
           ((ViewBase)view).closeReason = closeReason;
-          views[view].Close();
+          this.CloseView(view);
         }
       }
@@ -198 +235 @@
     public virtual void CloseAllViews(CloseReason closeReason) {
       foreach (IView view in views.Keys.ToArray())
-        CloseView(view,closeReason);
+        CloseView(view, closeReason);
     }
     #endregion
@@ -217 +254 @@
 
       views.Remove(view);
+      this.OnViewClosed(view);
       if (ActiveView == view)
         ActiveView = null;