/** grouping PKCS7-[XXX]-[XXX] files */ private boolean _addGroup() { String strMethod = "_addGroup()"; // adding radioButtons/labelChecks for selecting in between JAR, and JHR, and RCR files if (this._btnTypeFileShkDer == null) { MySystem.s_printOutError(this, strMethod, "nil this._btnTypeFileShk[xxx]"); return false; } // ---- ButtonGroup bgp = new ButtonGroup(); // bgp.add(this._btnTypeFileShkPkcs7); if (this._btnTypeFileShkPem != null) bgp.add(this._btnTypeFileShkPem); bgp.add(this._btnTypeFileShkDer); if (bgp.getButtonCount() < 2) { this._btnTypeFileShkDer.setEnabled(false); } // selecting first button this._btnTypeFileShkDer.setSelected(true); // else label: done at construction time // -- JPanel pnlTypeFileShk = new JPanel(); pnlTypeFileShk.setLayout(new BoxLayout(pnlTypeFileShk, BoxLayout.Y_AXIS)); pnlTypeFileShk.add(this._btnTypeFileShkDer); // default if (this._btnTypeFileShkPem != null) pnlTypeFileShk.add(this._btnTypeFileShkPem); // -- if (super._pnl_ == null) { MySystem.s_printOutError(this, strMethod, "nil super._pnl_"); return false; } super._pnl_.add(pnlTypeFileShk); // ending return true; }