private void NavigateBack()
{
OnNavigateBack?.Invoke(this, EventArgs.Empty);
CurrentStep = Steps[Steps.IndexOf(CurrentStep) - 1];
}
/// <inheritdoc />
public override bool OnKeyDown(Keys key)
{
// Navigate backward
if (key == Keys.Backspace)
{
OnNavigateBack?.Invoke();
return(true);
}
// Select all
if (key == Keys.A && ParentWindow.GetKey(Keys.Control))
{
SelectAll();
return(true);
}
// Check if sth is selected
if (HasSelection)
{
// Delete selection
if (key == Keys.Delete)
{
OnDelete?.Invoke(_selection);
return(true);
}
// Open
if (key == Keys.Return && _selection.Count == 1)
{
OnOpen?.Invoke(_selection[0]);
return(true);
}
// Duplicate
if (key == Keys.D && ParentWindow.GetKey(Keys.Control))
{
DuplicateSelection();
return(true);
}
// Movement with arrows
{
var root = _selection[0];
Vector2 size = root.Size;
Vector2 offset = Vector2.Minimum;
ContentItem item = null;
if (key == Keys.ArrowUp)
{
offset = new Vector2(0, -size.Y);
}
else if (key == Keys.ArrowDown)
{
offset = new Vector2(0, size.Y);
}
else if (key == Keys.ArrowRight)
{
offset = new Vector2(size.X, 0);
}
else if (key == Keys.ArrowLeft)
{
offset = new Vector2(-size.X, 0);
}
if (offset != Vector2.Minimum)
{
item = GetChildAt(root.Location + size / 2 + offset) as ContentItem;
}
if (item != null)
{
OnItemClick(item);
return(true);
}
}
}
return(base.OnKeyDown(key));
}