public void DeleteSelection()
{
if (!HasSelectedRows)
{
return; // Nothing to delete
}
// We want the keep the focus at the same row index after the row has been deleted.
// Store the index of the row that has the focus for restoring it at the end of this method.
int focusedRowIndex = SelectedRows[0].RowIndex;
Row[] rows = SelectedRows.GetUniqueRowsInGuiOrder();
// Clear the selection to avoid intermediate updates
SelectedRows.Clear();
var project = DataSource as IProject;
foreach (Row row in rows)
{
if (row.Item is IInputFile)
{
DeleteInputFile(project, row.Item as IInputFile);
}
else if (row.Item is IDataBlock)
{
DeleteDataBlock(project, row.Item as IDataBlock);
}
}
// Put the focus back at the same row index,
// or at the row index above if the last row was removed
FocusRow = GetRow(focusedRowIndex) ?? RootRow.ChildRowByIndex(RootRow.NumChildren - 1);
}
/// <summary>
/// Removes all rows from the tree.
/// </summary>
public void Clear()
{
if (IsWorkpad && RootRow != null)
{
IResultNode root = RootItem as IResultNode;
if (root != null)
{
root.Children.Clear();
SelectedRows.SuspendChangeNotification();
RootRow.UpdateChildren(false, true);
SelectedRows.ResumeChangeNotification();
}
}
}
/// <summary>
/// Deletes all headers of the selected types.
/// </summary>
public void DeleteSelectedHeaderTypes()
{
if (IsWorkpad && HasSelectedRows)
{
foreach (IResultNode resultNode in Selections[HeaderSelectionType.AllHeadersOfSelectedTypeIncludingChildren].Results)
{
if (resultNode.Parent != null)
{
resultNode.Parent.RemoveChild(resultNode);
}
}
SelectedRows.SuspendChangeNotification();
RootRow.UpdateChildren(false, true);
SelectedRows.ResumeChangeNotification();
}
}
/// <summary>
/// Deletes the current selection.
/// </summary>
public void DeleteSelection()
{
if (IsWorkpad && RootRow != null)
{
foreach (IResultNode resultNode in SelectedItems)
{
if (resultNode.Parent != null)
{
resultNode.Parent.RemoveChild(resultNode);
}
}
SelectedRows.SuspendChangeNotification();
RootRow.UpdateChildren(false, true);
SelectedRows.ResumeChangeNotification();
}
}
/// <summary>
/// Moves the <paramref name="rows"/> to the top of the tree.
/// </summary>
/// <param name="rows">the rows to be moved</param>
public void MoveToTop(Row[] rows)
{
if (rows == null)
{
throw new ArgumentNullException("rows");
}
if (IsWorkpad && RootRow != null && RootRow.NumChildren > 0)
{
IResultNode root = RootItem as IResultNode;
int index = 0;
foreach (Row row in UniqueSelectedRowsInGuiOrder)
{
IResultNode resultNode = (IResultNode)row.Item;
resultNode.Parent.RemoveChild(resultNode);
root.InsertChild(index++, resultNode);
}
SelectedRows.SuspendChangeNotification();
RootRow.UpdateChildren(false, true);
SelectedRows.ResumeChangeNotification();
}
}
private void Project_ProjectChanged(object sender, ProjectChangedEventArgs e)
{
switch (e.Type)
{
case ProjectChangedType.FileDeleted:
case ProjectChangedType.DataBlockDeleted:
{
Row row = FindRow(e.Item);
if (row.HasFocus)
{
SetFocusRow(row.ParentRow, false);
}
row.ParentRow.UpdateChildren(true, false);
}
break;
case ProjectChangedType.FileAdded:
{
RootRow.UpdateChildren(true, false);
}
break;
case ProjectChangedType.DataBlockAdded:
{
Row row = FindRow(((IDataBlock)e.Item).InputFile);
if (row != null)
{
row.UpdateChildren(true, false);
}
else
{
RootRow.UpdateChildren(true, false);
}
}
break;
}
}
