void ConvertItemClicked(TextBox target, int radix)
{
this.calculator.Reset();
var lines = LineString.Split(target.Text).ToArray();
var selectionStart = target.SelectionStart;
var selectionEnd = target.SelectionStart + target.SelectionLength;
TextBoxHelper.GetStartEndLineIndex(lines, selectionStart, selectionEnd,
out var lineIndexStart, out var lineIndexEnd);
for (int i = lineIndexStart; i <= lineIndexEnd; i++)
{
if (this.calculator.Calculate(lines[i].Text))
{
if (decimal.TryParse(this.calculator.Result, out var value))
{
lines[i].Text = ResultConvertHelper.ConvertToResultString(value, radix, ResultConvertHelper.Styles.Prefix);
}
}
}
target.Text = LineString.Join(lines);
target.SelectionStart = TextBoxHelper.GetCharacterIndexOfLineStartFromLineIndex(lines, lineIndexStart);
target.SelectionLength = TextBoxHelper.GetCharacterIndexOfLineEndFromLineIndex(lines, lineIndexEnd) - target.SelectionStart;
}
void FunctionItemClicked(TextBox target, string name)
{
var lines = LineString.Split(target.Text).ToArray();
var selectionStart = target.SelectionStart;
var selectionEnd = target.SelectionStart + target.SelectionLength;
TextBoxHelper.GetStartEndLineIndex(lines, selectionStart, selectionEnd,
out var lineIndexStart, out var lineIndexEnd);
if (lineIndexStart < lineIndexEnd)
{
// Multi lines are selected
for (int i = lineIndexStart; i <= lineIndexEnd; i++)
{
lines[i].Text = $"{name}({lines[i].Text})";
}
target.Text = LineString.Join(lines);
target.SelectionStart = TextBoxHelper.GetCharacterIndexOfLineStartFromLineIndex(lines, lineIndexStart);
target.SelectionLength = TextBoxHelper.GetCharacterIndexOfLineEndFromLineIndex(lines, lineIndexEnd) - target.SelectionStart;
}
else
{
var prevSelectedLength = target.SelectedText.Length;
if (0 < name.Length &&
selectionEnd < target.Text.Length &&
target.Text[selectionEnd] == '(')
{
// xxxx(... -> FUNC(...
// ~~~~ |
target.SelectedText = name;
target.SelectionLength = 0;
}
else
{
// xxxx -> xFUNC(xx)x
// ~~ ~~
target.SelectedText = $"{name}({target.SelectedText})";
target.SelectionLength = prevSelectedLength;
}
target.SelectionStart += name.Length + 1;
}
}