private void DeleteSelectedItem()
{
#if CHECKERS
if (tvItems.SelectedNode == null)
{
throw new FireFlyException("No nodes selected");
}
#endif
if (Extenders.ConfirmDelete(tvItems.SelectedNode.Text))
{
try
{
//var node = (ItemType)tvItems.SelectedNode.Tag;
//var res = Course.Manifest.resources[node.IdentifierRef];
var selectedNode = tvItems.SelectedNode;
((IDisposable)selectedNode.Tag).Dispose();
//if (res != null)
//{
// Course.Manifest.resources.Resources.Remove(res);
//}
IContainer c = selectedNode.Parent.Tag as IContainer;
Debug.Assert(c != null, "Parent of the selected object is not support Manifest.IContainer");
c.RemoveChild(selectedNode.Tag as IManifestNode);
}
catch (IOException)
{
ErrorDialog.ShowError(string.Format("File '{0}' used by another program. Close all programs that can use this file and try again", tvItems.SelectedNode.Text));
}
}
}
private void miDelete_Click(object sender, EventArgs e)
{
#if CHECKERS
if (IsSelectionEmpty)
{
throw new InvalidOperationException();
}
#endif
var b = new StringBuilder();
bool isFirst = true;
foreach (var c in _selectionList)
{
if (!isFirst)
{
b.Append(", ");
}
else
{
isFirst = false;
}
b.Append(c.Owner.Title);
}
if (Extenders.ConfirmDelete(b.ToString()))
{
var list = _selectionList.ToArray();
UnSelectAll();
var mg = new ModificationCollection <HtmlControlModification>();
foreach (var c in list)
{
FreeResources(c.Owner);
HtmlDesignMovableControl owner = c.Owner;
owner.NotifyDelete();
mg.Add(HtmlControlModification.GetRemoved(owner));
owner.Parent = null;
}
if (mg.Count > 0)
{
HtmlPage.AddUndoOperation(mg.Count == 1 ? (IModification)mg[0] : mg);
}
else
{
throw new InvalidOperationException();
}
UpdateUndoRedoState();
}
}