在Jtable单元格中使用JCheckbox渲染JPanel。现在面板未与Jtable中的单元格中心对齐

Question

单元格渲染器：

public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
    if(value!=null && ai38DataModel!=null){
        //panel.removeAll();
        List<AI38BetModelTable> modelList = ai38DataModel.getModelList();
        LinkedHashMap<String, JPanel> elePanelMap = ai38DataModel.getElePanelMap();
        if(modelList!=null || !modelList.isEmpty() || !elePanelMap.isEmpty()){
            AI38BetModelTable model = modelList.get(row);
            String key = ai38DataModel.getPanelEleStringKey(model.getSelectedEvent().getEventCode(), model.getSelectedBetCode(), model.getElement(), (Set<Integer>)value);
            panel = elePanelMap.get(key);
            }
        }
                  
    return panel;
    
    }

将JChecboxs添加到面板：

                    for(Integer value: nameValuePair.get(key)){         
                        JCheckBox jChkbx = new JCheckBox(value.toString());
                        jChkbx.setOpaque(false);
                        jChkbx.addItemListener(listener);
                        panel.add(jChkbx);                          
                        }

[在此输入图片描述][1]

强文本[1]：https://i.stack.imgur.com/D8Mhs.png

请查找所附图像。

Answer 1

当我使用GridBaglayout而不是FlowLayout时，我的问题得到了解决。现在，JCheckbox与面板内的中心对齐。

for(String key : nameValuePair.keySet()){
  JPanel panel = new JPanel(new GridBagLayout());
  modelList.add(new AI38BetModelTable(selectedeEvent,selectedBetCode,key,nameValuePair.get(key)));
  String keyForPanel = ai38DataModel.getPanelEleStringKey(selectedeEvent.getEventCode(), selectedBetCode, key, nameValuePair.get(key));
  for(Integer value: nameValuePair.get(key)){
    JCheckBox jChkbx = new JCheckBox(value.toString());
    jChkbx.setOpaque(false);
    jChkbx.addItemListener(listener);
    panel.add(jChkbx);
  }
  panelEleMap.put(keyForPanel, panel);
}