private void TreeListView_KeyUp(object sender, KeyEventArgs e)
{
if (e.Key == Key.Delete || e.Key == Key.Back)
{
TreeListView view = (TreeListView)sender;
PackageSourceInfo source = (PackageSourceInfo)view.DataContext;
PackageFileSourceInfo info = view.SelectedItem as PackageFileSourceInfo;
if (info != source.Root && info != null)
{
info.Parent.Children.Remove(info);
view.Focus();
}
// Enabling/Disabling the Build button depending if the package is empty or not
var pkgInfo = (PackageSourceInfo)DataContext;
BuildButton.IsEnabled = (pkgInfo.Root.Children.Count > 0);
}
}
/// <summary>
/// Places the subitem into edit mode
/// </summary>
/// <param name="column">Number of the subitem to edit</param>
public void BeginEdit(int column)
{
if (TreeListView == null)
{
throw (new Exception("The item is not associated with a TreeListView"));
}
if (!TreeListView.Visible)
{
throw (new Exception("The item is not visible"));
}
if (column + 1 > TreeListView.Columns.Count)
{
throw (new Exception("The column is greater the number of columns in the TreeListView"));
}
TreeListView.Focus();
Focused = true;
TreeListView._lastitemclicked = new EditItemInformations(this, column, this.SubItems[column].Text);
base.BeginEdit();
}
public void PointToNode()
{
// This is the node to point to, might change, see comments
// below.
BrowserTreeNode node = this;
TreeListView tree = (TreeListView)TreeView;
if (!IsVisible)
{
// Ensure visible may cause a node above us to
// be Invalidated() and therefore leaving this
// node as an orphan. Should this happen, we need to
// Find the correct node.
String savePath = FullPath;
EnsureVisible();
// We got invalidated, refind the right node by name
if (TreeView == null)
{
node = (BrowserTreeNode)tree.FindNodeByFullPath(savePath);
// Should not happen
if (node == null)
{
ErrorDialog.Show("(bug) node " + savePath
+ " not found in PointToNode",
"Error Finding Node",
MessageBoxIcon.Error);
return;
}
}
}
// If the node was previously selected, we need to
// force the selection processing again because focus
// may have gone elsewhere requiring the detail panel to
// get reset. Need a better way to handle this.
if (tree.SelectedNode == node)
{
DetailPanel.Clear();
node.Select();
}
tree.SetSelectedNode(node);
tree.Focus();
}
private void TreeListView_KeyUp(object sender, KeyEventArgs e)
{
if (e.Key == Key.Delete || e.Key == Key.Back)
{
TreeListView view = (TreeListView)sender;
//data context of the view is multibinding to two objects - the first one is the packageBuilder,
//the second one is that currentState (so that when it changes the view gets notification)
List <object> values = view.DataContext as List <object>;
if (values != null)
{
PackageBuilderViewModel viewModel = (PackageBuilderViewModel)values[0];
PackageSourceInfo source = viewModel.PackageSourceInfo;
PackageFileSourceInfo info = view.SelectedItem as PackageFileSourceInfo;
if (info != source.Root && info != null)
{
info.Parent.Children.Remove(info);
view.Focus();
}
}
}
}