public void Initialize(string text)
{
if (string.IsNullOrEmpty(text))
{
FTagsTextBox.Text = "";
}
else
{
FTagsTextBox.Text = text.Trim();
}
FTagsTextBox.SelectAll();
FHoverLine = -1;
ScrolledLine = 0;
// if (NeedsUpdate)
// Redraw();
RedrawSelection();
}
void FTagsTextBoxKeyDown(object sender, KeyEventArgs e)
{
if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
{
if (!e.Shift)
{
CreateNodeFromHoverLine();
}
}
else if (e.KeyCode == Keys.Escape)
{
OnCreateNode(null);
}
else if ((FTagsTextBox.Lines.Length < 2) && (e.KeyCode == Keys.Down))
{
FHoverLine += 1;
//if this is exceeding the FSelectionList.Count -> jump to line 0
if (FHoverLine + ScrolledLine >= FSelectionList.Count)
{
FHoverLine = 0;
ScrolledLine = 0;
}
//if this is exceeding the currently visible lines -> scroll down a line
else if (FHoverLine >= FVisibleLines)
{
ScrolledLine += 1;
FHoverLine = FVisibleLines - 1;
}
RedrawSelection();
ShowToolTip(0);
}
else if ((FTagsTextBox.Lines.Length < 2) && (e.KeyCode == Keys.Up))
{
FHoverLine -= 1;
//if this is exceeding the currently visible lines -> scroll up a line
if ((FHoverLine == -1) && (ScrolledLine > 0))
{
ScrolledLine -= 1;
FHoverLine = 0;
}
//if we are now < 0 -> jump to last entry
else if (FHoverLine < 0)
{
FHoverLine = Math.Min(FSelectionList.Count, FVisibleLines) - 1;
ScrolledLine = FSelectionList.Count;
}
RedrawSelection();
ShowToolTip(0);
}
else if ((e.KeyCode == Keys.Left) || (e.KeyCode == Keys.Right))
{
if (FHoverLine != -1)
{
FHoverLine = -1;
FTagsTextBox.SelectionStart = FTagsTextBox.Text.Length;
RedrawSelection();
}
}
else if ((e.Control) && (e.KeyCode == Keys.A))
{
FTagsTextBox.SelectAll();
}
}