Changeset 3500 for trunk/sources/HeuristicLab.Optimization.Views/3.3/UserDefinedAlgorithmView.cs

Timestamp:

04/22/10 23:33:13 (14 years ago)

Author:

swagner

Message:

Finished refactoring of saving and loading items (#990)

File:

• trunk/sources/HeuristicLab.Optimization.Views/3.3/UserDefinedAlgorithmView.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Optimization.Views/3.3/UserDefinedAlgorithmView.cs

@@ -80 +80 @@
       openFileDialog.Title = "Open Operator Graph";
       if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
-        this.Cursor = Cursors.AppStarting;
         newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = false;
         operatorGraphViewHost.Enabled = false;
 
-        var call = new Func<string, object>(XmlParser.Deserialize);
-        call.BeginInvoke(openFileDialog.FileName, delegate(IAsyncResult a) {
-          OperatorGraph operatorGraph = null;
+        ContentManager.LoadAsync(openFileDialog.FileName, delegate(IStorableContent content, Exception error) {
           try {
-            operatorGraph = call.EndInvoke(a) as OperatorGraph;
+            if (error != null) throw error;
+            OperatorGraph operatorGraph = content as OperatorGraph;
+            if (operatorGraph == null)
+              MessageBox.Show(this, "The selected file does not contain an operator graph.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            else
+              Content.OperatorGraph = operatorGraph;
           }
           catch (Exception ex) {
             Auxiliary.ShowErrorMessageBox(ex);
           }
-          Invoke(new Action(delegate() {
-            if (operatorGraph == null)
-              MessageBox.Show(this, "The selected file does not contain an operator graph.", "Invalid File", MessageBoxButtons.OK, MessageBoxIcon.Error);
-            else
-              Content.OperatorGraph = operatorGraph;
-            operatorGraphViewHost.Enabled = true;
-            newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = true;
-            this.Cursor = Cursors.Default;
-          }));
-        }, null);
+          finally {
+            Invoke(new Action(delegate() {
+              operatorGraphViewHost.Enabled = true;
+              newOperatorGraphButton.Enabled = openOperatorGraphButton.Enabled = true;
+            }));
+          }
+        });
       }
     }