Changeset 3775 for trunk/sources/HeuristicLab.Core.Views

Timestamp:

05/11/10 18:16:41 (14 years ago)

Author:

swagner

Message:

Implemented reviewers' comments (#893)

• added automatic re-selection of elements in collection views when the content of the view is changed

Location:

trunk/sources/HeuristicLab.Core.Views/3.3

Files:

• ItemArrayView.cs (modified) (2 diffs)
• ItemListView.cs (modified) (2 diffs)
• NamedItemCollectionView.cs (modified) (1 diff)

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

@@ -84 +84 @@
     protected override void OnContentChanged() {
       base.OnContentChanged();
+
+      int selectedIndex = -1;
+      if (itemsListView.SelectedItems.Count == 1) selectedIndex = itemsListView.SelectedIndices[0];
+
       while (itemsListView.Items.Count > 0) RemoveListViewItem(itemsListView.Items[0]);
       viewHost.Content = null;
@@ -90 +94 @@
         foreach (T item in Content)
           AddListViewItem(CreateListViewItem(item));
+        if ((selectedIndex != -1) && (selectedIndex < itemsListView.Items.Count))
+          itemsListView.Items[selectedIndex].Selected = true;
       }
       SetEnabledStateOfControls();

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

@@ -88 +88 @@
     protected override void OnContentChanged() {
       base.OnContentChanged();
+
+      int selectedIndex = -1;
+      if (itemsListView.SelectedItems.Count == 1) selectedIndex = itemsListView.SelectedIndices[0];
+
       while (itemsListView.Items.Count > 0) RemoveListViewItem(itemsListView.Items[0]);
       viewHost.Content = null;
@@ -93 +97 @@
         foreach (T item in Content)
           AddListViewItem(CreateListViewItem(item));
+        if ((selectedIndex != -1) && (selectedIndex < itemsListView.Items.Count))
+          itemsListView.Items[selectedIndex].Selected = true;
       }
       SetEnabledStateOfControls();

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

@@ -51 +51 @@
       base.RegisterContentEvents();
       Content.ItemsReplaced += new CollectionItemsChangedEventHandler<T>(Content_ItemsReplaced);
+    }
+
+    protected override void OnContentChanged() {
+      string selectedName = null;
+      if ((itemsListView.SelectedItems.Count == 1) && (itemsListView.SelectedItems[0].Tag != null))
+        selectedName = ((T)itemsListView.SelectedItems[0].Tag).Name;
+      base.OnContentChanged();
+      if (selectedName != null) {
+        foreach (ListViewItem item in itemsListView.Items) {
+          if ((item.Tag != null) && (((T)item.Tag).Name.Equals(selectedName)))
+            item.Selected = true;
+        }
+      }
     }