private void TableViewKeyPress(View.KeyEventEventArgs e)
{
if (e.KeyEvent.Key == Key.DeleteChar)
{
if (tableView.FullRowSelect)
{
// Delete button deletes all rows when in full row mode
foreach (int toRemove in tableView.GetAllSelectedCells().Select(p => p.Y).Distinct().OrderByDescending(i => i))
{
tableView.Table.Rows.RemoveAt(toRemove);
}
}
else
{
// otherwise set all selected cells to null
foreach (var pt in tableView.GetAllSelectedCells())
{
tableView.Table.Rows[pt.Y][pt.X] = DBNull.Value;
}
}
tableView.Update();
e.Handled = true;
}
}
private void KeyDownHandler(View.KeyEventEventArgs a)
{
if (a.KeyEvent.IsCapslock)
{
capsLock.Title = "Capslock: On";
statusBar.SetNeedsDisplay();
}
else
{
capsLock.Title = "Capslock: Off";
statusBar.SetNeedsDisplay();
}
if (a.KeyEvent.IsNumlock)
{
numLock.Title = "Numlock: On";
statusBar.SetNeedsDisplay();
}
else
{
numLock.Title = "Numlock: Off";
statusBar.SetNeedsDisplay();
}
if (a.KeyEvent.IsScrolllock)
{
scrollLock.Title = "Scrolllock: On";
statusBar.SetNeedsDisplay();
}
else
{
scrollLock.Title = "Scrolllock: Off";
statusBar.SetNeedsDisplay();
}
}
private void TreeViewFiles_KeyPress(View.KeyEventEventArgs obj)
{
if (obj.KeyEvent.Key == (Key.R | Key.CtrlMask))
{
var selected = treeViewFiles.SelectedObject;
// nothing is selected
if (selected == null)
{
return;
}
var location = treeViewFiles.GetObjectRow(selected);
//selected object is offscreen or somehow not found
if (location == null || location < 0 || location > treeViewFiles.Frame.Height)
{
return;
}
ShowContextMenu(new Point(
5 + treeViewFiles.Frame.X,
location.Value + treeViewFiles.Frame.Y + 2),
selected);
}
}
private static void ConditionalFocusTo(View.KeyEventEventArgs e, View target, Key handleKey)
{
if (e.KeyEvent.Key == handleKey)
{
e.Handled = true; //to ensure no further processing of the event
target.SetFocus();
}
}
static void ExpandCollapse(View.KeyEventEventArgs e, TreeView tv)
{
if (e.KeyEvent.Key == Key.Enter)
{
tv.OnExpandOrCollapseSelectedItem();
e.Handled = true;
}
}
void OnDialogKeyPress(View.KeyEventEventArgs args)
{
if (this.Dialog.MostFocused is TextField textField)
{
ClipboardMenu.PerformEdit(args, textField);
}
else if (this.Dialog.MostFocused is TextView textView)
{
ClipboardMenu.PerformEdit(args, textView);
}
}
private void treeView_KeyPress(View.KeyEventEventArgs obj)
{
if (!_treeView.CanFocus || !_treeView.HasFocus)
{
return;
}
try
{
switch (obj.KeyEvent.Key)
{
case Key.DeleteChar:
var many = _treeView.GetAllSelectedObjects().ToArray();
obj.Handled = true;
//delete many at once?
if (many.Length > 1)
{
if (many.Cast <object>().All(d => d is IDeleteable))
{
var cmd = new ExecuteCommandDelete(_activator, many.Cast <IDeleteable>().ToArray());
if (!cmd.IsImpossible)
{
cmd.Execute();
}
else
{
_activator.Show("Cannot Delete", cmd.ReasonCommandImpossible);
}
}
}
else
if (_treeView.SelectedObject is IDeleteable d)
{
// it is a single object selection
_activator.DeleteWithConfirmation(d);
}
break;
}
}
catch (Exception ex)
{
_activator.ShowException("Error", ex);
}
}
private void TreeView_KeyPress(View.KeyEventEventArgs obj)
{
if (obj.KeyEvent.Key == Key.DeleteChar)
{
var toDelete = treeView.SelectedObject;
if (toDelete == null)
{
return;
}
obj.Handled = true;
// if it is a root object remove it
if (treeView.Objects.Contains(toDelete))
{
treeView.Remove(toDelete);
}
else
{
var parent = treeView.GetParent(toDelete);
if (parent == null)
{
MessageBox.ErrorQuery("Could not delete", $"Parent of '{toDelete}' was unexpectedly null", "Ok");
}
else
{
//update the model
parent.Children.Remove(toDelete);
//refresh the tree
treeView.RefreshObject(parent);
}
}
}
}
