protected override void OnKeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
if (e.KeyCode == System.Windows.Forms.Keys.Return)
{
if (!e.Control)
{
this.PrependBlocks(new StatementLine());
e.Handled = true;
}
else
{
if (this.ParentParent is IControlStructure)
{
TextBoxBlock next = this.ParentParent.Next as TextBoxBlock;
if (next != null)
{
next.SetFocus();
}
else
{
this.ParentParent.AppendBlocks(new StatementLine());
}
}
else
{
this.RemoveFocus(MoveFocusDirection.SelectNextInChain);
}
}
}
// Don't need this because can't have any statements
// immediately after break or continue
//if (e.KeyCode == System.Windows.Forms.Keys.Insert
// || (e.KeyCode == System.Windows.Forms.Keys.Return && e.Control))
//{
// this.AppendBlocks(new StatementLine());
// e.Handled = true;
//}
if (!e.Handled)
{
base.OnKeyDown(sender, e);
}
}
protected bool CtrlEnter(bool shouldDeleteCurrent)
{
Block ParentParentNext = ParentParent != null ? ParentParent.Next : null;
TextBoxBlock NextText = ParentParentNext as TextBoxBlock;
shouldDeleteCurrent = shouldDeleteCurrent && this.Text == "" && this.Prev != null;
if (this.Next != null || ParentParent == null)
{
return(false);
}
if (NextText != null && NextText.Text == "")
{
using (Redrawer r = new Redrawer(this.Root))
{
NextText.SetFocus();
if (shouldDeleteCurrent)
{
this.Delete();
}
}
return(true);
}
else
{
ContainerBlock containingControlStructure = FindNearestControlStructureParent();
if (shouldDeleteCurrent)
{
this.MoveAfterBlock(ParentParent);
return(true);
}
else if (containingControlStructure != null)
{
containingControlStructure.AppendBlocks(CreateNewTextLine());
return(true);
}
}
return(false);
}
public void JumpOut()
{
ContainerBlock p = this.ParentParent;
if (p != null && p.Parent != Root)
{
TextBoxBlock next = p.Next as TextBoxBlock;
if (next != null && string.IsNullOrEmpty(next.Text))
{
next.SetFocus();
}
else
{
using (Root.Transaction())
{
if (string.IsNullOrEmpty(this.Text) && this.Next == null && this.Prev != null)
{
this.Delete();
}
p.AppendBlocks(new EmptyNodeBlock());
}
}
}
}