public ChangeTextAction(DiffEditBox left, DiffEditBox right,
DiffSnapshot beforeLeft, DiffSnapshot afterLeft,
DiffSnapshot beforeRight, DiffSnapshot afterRight)
{
_left = left;
_right = right;
_beforeLeft = beforeLeft;
_beforeRight = beforeRight;
_afterLeft = afterLeft;
_afterRight = afterRight;
}
private void UpdateState()
{
DiffEditBox ebox = null;
if (ucLeftDiff.Focused)
{
ebox = ucLeftDiff;
}
else if (ucRightDiff.Focused)
{
ebox = ucRightDiff;
}
if (ebox != null)
{
DiffEditRange range = new DiffEditRange();
// Enable the COPY menu items only if the cursor is placed on a
// change range.
bool onChange = ucRightDiff.GetChangeRange(ebox.GetCursorPosition(), ref range);
btnCopyLeftToRight.Enabled = onChange;
btnCopyRightToLeft.Enabled = onChange;
mniCopyFromLeft.Enabled = onChange;
mniCopyFromRight.Enabled = onChange;
mniCopyToLeft.Enabled = onChange;
mniCopyToRight.Enabled = onChange;
}
else
{
btnCopyLeftToRight.Enabled = false;
btnCopyRightToLeft.Enabled = false;
mniCopyFromLeft.Enabled = false;
mniCopyFromRight.Enabled = false;
mniCopyToLeft.Enabled = false;
mniCopyToRight.Enabled = false;
}
}