lw_common.ui.note_ctrl.add_note_to_ui C# (CSharp) Method

        private void add_note_to_ui(note_item last_note) {
            bool add_to_ui = !last_note.deleted || (last_note.deleted && showDeletedLines.Checked);
            if (!add_to_ui)
                return;

            int insert_idx = -1;
            if (last_note.reply_id != "") {
                // it's a note on reply to another note
                for (int note_idx = 0; note_idx < notesCtrl.GetItemCount() && insert_idx < 0; ++note_idx) {
                    var i = notesCtrl.GetItem(note_idx).RowObject as note_item;
                    if (i.note_id == last_note.reply_id) 
                        insert_idx = note_idx + 1;
                }
            } else {
                // new note
                if (!last_note.is_note_header)
                    for (int note_idx = 0; note_idx < notesCtrl.GetItemCount(); ++note_idx) {
                        var i = notesCtrl.GetItem(note_idx).RowObject as note_item;
                        string line_id = i.line_id != cur_line_id_ ? i.line_id : find_cur_line_id();

                        if (line_id == last_note.line_id) {
                            insert_idx = note_idx + 1;
                            bool insert_at_the_end = i.line_id == cur_line_id_;
                            if (insert_at_the_end) {
                                // we need to set_aliases the line, so that it does not point to current-line anymore
                                i.line_id = line_id;
                            }
                        }
                    }
                else
                    // it's a new note header, add at the end
                    insert_idx = notesCtrl.GetItemCount();
            }
            Debug.Assert( insert_idx >= 0);
            if (insert_idx >= 0) {
                ++ignore_change_;
                notesCtrl.InsertObjects(insert_idx, new object[] {last_note});
                // now, select it as well
                notesCtrl.SelectObject(last_note);
                // ... so that it recomputes its UI index correctly
                notesCtrl.RefreshObject(last_note);
                --ignore_change_;
                notesCtrl.EnsureVisible(insert_idx);
                refresh_note(last_note);
            }
        }