[ Swing ] Dialog예제

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Iterator;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EmptyBorder;

 

public class ComplaintsDialog extends JDialog  implements  MouseListener{

 private static final long serialVersionUID = 1L;
 
 private static Frame frame;
 private JLabel lblNum , lblUserName;
 private JComboBox jcomboNum;
 private JTextField txtUserName;
 private JButton btnSave , btnClear;
 private JPanel panel , btnPanel;
 
 public ComplaintsDialog() {
  super(frame , true);
  setTitle("변경 등록");
  setSize(500,270);
  setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  setResizable(false);   // 창의 크기를 자유로이 변화 시킬수 있음.
  setLocationRelativeTo(null); // parent의 중앙에 위치 함.
  
  panel = new JPanel(new BorderLayout());
  panel.setLayout(new GridBagLayout());
  panel.setBorder(new EmptyBorder(new Insets(5,5,5,5)));
  getContentPane().add(BorderLayout.CENTER, panel);
  GridBagConstraints gridconstrain = new GridBagConstraints();
  gridconstrain.insets= new Insets(2,2,2,2);
  
  gridconstrain.anchor = GridBagConstraints.WEST;
  lblNum = new JLabel("등록 번호 : ");
  lblNum.setBorder(new EmptyBorder(new Insets(0,0,0,10)));
  panel.add(lblNum , gridconstrain);
  
  jcomboNum = new JComboBox();
  comboBoxNumber();  // 번호를 표시할 콤보박스입니다.
  jcomboNum.setPreferredSize(new Dimension(300, 25));
  jcomboNum.setMinimumSize(new Dimension(300,25));

  gridconstrain.gridx = 1;
  panel.add(jcomboNum, gridconstrain);
  
  //==================================================================
  
  lblUserName = new JLabel("변경 할 내용 : ");
  gridconstrain.gridwidth = 1;
  gridconstrain.gridx = 0;
  gridconstrain.gridy = 1;
  gridconstrain.weightx = 0.0;
  panel.add(lblUserName , gridconstrain);
  
  //-------------------------------------------------------------------
  
  txtUserName = new JTextField();
  txtUserName.setPreferredSize(new Dimension(250,25));
  gridconstrain.gridx = 1;
  gridconstrain.weightx = 0.0;
  gridconstrain.gridwidth = 3;
  gridconstrain.fill = GridBagConstraints.HORIZONTAL;
  panel.add(txtUserName , gridconstrain);
  
  //--------------------------------------------------------------------
  
  btnPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 8, 35));
  
  btnSave = new JButton("저    장"); 
  btnSave.setPreferredSize(new Dimension(100,35));
  btnPanel.add(btnSave , gridconstrain);
  
  //--------------------------------------------------------------------
  
  btnClear = new JButton("취   소");
  btnClear.setPreferredSize(new Dimension(100,35));
  btnPanel.add(btnClear , gridconstrain);
  
  gridconstrain.gridx = 1;
  gridconstrain.gridy = 7;
  gridconstrain.gridwidth = 4;
  panel.add(btnPanel ,  gridconstrain);
  //--------------------------------------------------------------------
  
  btnSave.addMouseListener(this);
  btnClear.addMouseListener(this);
  setVisible(true);
 }
 
 public static void main(String args[]) {
  
  try {
    new ComplaintsDialog();
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 }
 
 private void comboBoxNumber() {
  
  StoryDAO sdao = new StoryDAO();
  List<ComplaintsInfo> comInfo = sdao.selectAll();
  Iterator<ComplaintsInfo> it = comInfo.iterator();
  
  jcomboNum.addItem(" ");
  
  while(it.hasNext()) {
   ComplaintsInfo com = it.next();
   
   String sNo = com.getstrNo();
   String sName = com.getCompanyName();
   
   jcomboNum.addItem(sNo + " - " + sName);
  }
  
 }
 
 private void infoClear() {
  ComplaintsInfo info = new ComplaintsInfo();
  info.setstrNo("");
  info.setstrUserName("");
  info.setstrDate("");
 }

 @Override
 public void mouseClicked(MouseEvent e) {
  // TODO Auto-generated method stub
  
  if(e.getSource() == btnSave){
   
   ComplaintsInfo info = new ComplaintsInfo();
   StoryDAO sdao = new StoryDAO();
   
   if(jcomboNum.getSelectedItem() != null && txtUserName.getText() != null && txtUserName.getText().length() != 0) {
    info.setstrNo(jcomboNum.getSelectedItem().toString());
    info.setstrUserName(txtUserName.getText());
    
    boolean ok = sdao.DialogSave(info);
    
    if (ok) {
     JOptionPane.showMessageDialog(this, "저장 하였습니다."  ,"저장" ,JOptionPane.INFORMATION_MESSAGE);
     jcomboNum.setSelectedIndex(0);
     txtUserName.setText("");
     infoClear();
    } else {
     JOptionPane.showMessageDialog(this, "저장 실패"  ,"저장" ,JOptionPane.ERROR_MESSAGE);
    }
   } else {
    JOptionPane.showMessageDialog(this, "저장 실패"  ,"수정" ,JOptionPane.ERROR_MESSAGE);
   }
  } else if (e.getSource() == btnClear) {
   infoClear();
   dispose();
  }
 }

 @Override
 public void mousePressed(MouseEvent e) {}

 @Override
 public void mouseReleased(MouseEvent e) {}

 @Override
 public void mouseEntered(MouseEvent e) {}

 @Override
 public void mouseExited(MouseEvent e) {}
}