Changeset 6573 for trunk/sources/HeuristicLab.Optimization.Views/3.3/ExperimentTreeView.cs

Timestamp:

07/18/11 16:24:20 (13 years ago)

Author:

mkommend

Message:

#1587: Updated ViewHost after node selection with arrow keys and handled item move operations more efficiently.

File:

• trunk/sources/HeuristicLab.Optimization.Views/3.3/ExperimentTreeView.cs (modified) (6 diffs)

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

@@ -265 +265 @@
 
       foreach (TreeNodeCollection parentNode in parentNodes) {
-        //get all effected child nodes
-        foreach (TreeNode childNode in parentNode.OfType<TreeNode>()
-          .Where(n => e.OldItems.Select(x => x.Value).Contains((IOptimizer)n.Tag)).ToList()) {
-          DisposeTreeNode(childNode);
-          childNode.Remove();
-        }
-
-        foreach (var childOptimizer in e.Items) {
-          TreeNode childNode = CreateTreeNode(childOptimizer.Value);
-          UpdateChildTreeNodes(childNode.Nodes, childOptimizer.Value);
-          childNode.ExpandAll();
-          parentNode.Insert(childOptimizer.Index, childNode);
-        }
-      }
-      RebuildImageList();
-      UpdateDetailsViewHost();
+        var backup = parentNode.OfType<TreeNode>().ToList();
+        foreach (var indexedItem in e.Items) {
+          var node = backup.Where(n => n.Tag == indexedItem.Value).First();
+          node.Remove();
+          parentNode.Insert(indexedItem.Index, node);
+        }
+      }
     }
     private void Optimizers_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IOptimizer>> e) {
@@ -640 +631 @@
     }
 
+
+    private void treeView_AfterSelect(object sender, TreeViewEventArgs e) {
+      if (e.Action == TreeViewAction.ByKeyboard) {
+        UpdateDetailsViewHost();
+        //NOTE: necessary because algorithm view steals the focus
+        treeView.Focus();
+      }
+    }
+
     private bool rightClickOccured = true;
     private TreeNode toolStripMenuNode = null;
@@ -736 +736 @@
       else experiment = (Experiment)treeView.SelectedNode.Parent.Tag;
 
+      var selectedNode = treeView.SelectedNode;
       int index = treeView.SelectedNode.Index;
       experiment.Optimizers.Reverse(index - 1, 2);
-      treeView.SelectedNode = treeNodeTagMapping[optimizer].First();
+      treeView.SelectedNode = selectedNode;
       SetEnabledStateOfControls();
-      UpdateDetailsViewHost();
-      RebuildImageList();
     }
     private void moveDownButton_Click(object sender, EventArgs e) {
@@ -749 +748 @@
       else experiment = (Experiment)treeView.SelectedNode.Parent.Tag;
 
+      var selectedNode = treeView.SelectedNode;
       int index = treeView.SelectedNode.Index;
       experiment.Optimizers.Reverse(index, 2);
-      treeView.SelectedNode = treeNodeTagMapping[optimizer].First();
+      treeView.SelectedNode = selectedNode;
       SetEnabledStateOfControls();
-      UpdateDetailsViewHost();
-      RebuildImageList();
     }
 
@@ -885 +883 @@
       var topLevelNodes = treeView.Nodes.OfType<TreeNode>().ToArray();
       var nodes = IterateTreeNodes().ToList();
+      var selectedNode = treeView.SelectedNode;
       treeView.Nodes.Clear();
 
@@ -894 +893 @@
       }
       treeView.Nodes.AddRange(topLevelNodes);
+      treeView.SelectedNode = selectedNode;
       treeView.EndUpdate();
     }