Method do_replace

Lib/idlelib/replace.py:198–228

Replace search pattern in text with replacement value.

(self)

        return True

    def do_replace(self):
        "Replace search pattern in text with replacement value."
        prog = self.engine.getprog()
        if not prog:
            return False
        text = self.text
        try:
            first = pos = text.index("sel.first")
            last = text.index("sel.last")
        except TclError:
            pos = None
        if not pos:
            first = last = pos = text.index("insert")
        line, col = searchengine.get_line_col(pos)
        chars = text.get("%d.0" % line, "%d.0" % (line+1))
        m = prog.match(chars, col)
        if not prog:
            return False
        new = self._replace_expand(m, self.replvar.get())
        if new is None:
            return False
        text.mark_set("insert", first)
        text.undo_block_start()
        if m.group():
            text.delete(first, last)
        if new:
            text.insert(first, new, self.insert_tags)
        text.undo_block_stop()
        self.show_hit(first, text.index("insert"))
        self.ok = False
        return True

    def show_hit(self, first, last):
        """Highlight text between first and last indices.