package  forms;

 import  java.awt.BorderLayout;
 import  java.awt.Dimension;
 import  java.awt.FocusTraversalPolicy;
 import  java.awt.GridBagConstraints;
 import  java.awt.GridBagLayout;
 import  java.awt.Insets;

 import  java.util.Hashtable;

 import  javax.swing.JFrame;
 import  javax.swing.JLabel;
 import  javax.swing.JOptionPane;
 import  javax.swing.JPanel;
 import  javax.swing.JPasswordField;
 import  javax.swing.JTextField;

 import  javax.swing.LayoutFocusTraversalPolicy;

 import  oracle.jbo.JboContext;
 import  oracle.jbo.client.Configuration;
 import  oracle.jbo.common.PropertyConstants;
 import  oracle.jbo.common.PropertyMetadata;
 import  oracle.jbo.common.ampool.DefaultConnectionStrategy;
 import  oracle.jbo.common.ampool.EnvInfoProvider;

 public   class  JCLoginDialog
   extends  JPanel
   implements  EnvInfoProvider
{
  /**Constructor taking a parent Form as parameter
   */
   public  JCLoginDialog(JFrame parent)
  {
     super ();
     this .parent = parent;
     try 
    {
      jbInit();
    }
     catch  (Exception e)
    {
      e.printStackTrace();
    }
  }

   public  Dimension getPreferredSize()
  {
     return   new  Dimension( 350 ,  110 );
  }

  /**The default constructor 
   */
   public  JCLoginDialog()
  {
     this ( null );
  }

   private  BorderLayout outerLayout =  new  BorderLayout();

   private  JPanel inputPanel =  new  JPanel();

   private  GridBagLayout panelLayout =  new  GridBagLayout();

   private  JLabel labelUserName =  new  JLabel();

   private  JTextField mUserName =  new  JTextField();

   private  JLabel labelPassword =  new  JLabel();

   private  JPasswordField mPassword =  new  JPasswordField();

   private  JLabel mErrorMessage =  new  JLabel();

   private  JFrame parent;

   private  String[] options =
  { "OK", "Отмена" };

   public  Dimension getMinimumSize()
  {
     return  getPreferredSize();
  }

  /**the JbInit method
   */
   public   void  jbInit()
  {
    setLayout(outerLayout);
    inputPanel.setLayout(panelLayout);
    inputPanel.add(labelUserName,  new  GridBagConstraints( 0 ,  0 ,  1 ,  1 ,  0 . 0 ,  0 . 0 , GridBagConstraints.WEST,
                                                         GridBagConstraints.NONE,
                                                          new  Insets( 0 ,  0 ,  0 ,  5 ),  1 ,  1 ));
    inputPanel.add(mUserName,  new  GridBagConstraints( 1 ,  0 ,  1 ,  1 ,  0 . 0 ,  0 . 0 , GridBagConstraints.WEST, GridBagConstraints
                                                     .NONE,  new  Insets( 0 ,  0 ,  0 ,  5 ),  165 ,  1 ));
    labelUserName.setLabelFor(mUserName);
    mUserName.setToolTipText("Имя пользователя");
    labelUserName.setText("Пользователь :");
    inputPanel.add(labelPassword,  new  GridBagConstraints( 0 ,  1 ,  1 ,  1 ,  0 . 0 ,  0 . 0 , GridBagConstraints.WEST,
                                                         GridBagConstraints.NONE,
                                                          new  Insets( 0 ,  0 ,  0 ,  5 ),  1 ,  1 ));
    inputPanel.add(mPassword,  new  GridBagConstraints( 1 ,  1 ,  500 ,  1 ,  0 . 0 ,  0 . 0 , GridBagConstraints.WEST,
                                                     GridBagConstraints.NONE,
                                                      new  Insets( 0 ,  0 ,  0 ,  5 ),  165 ,  1 ));
    labelPassword.setLabelFor(mPassword);
    mPassword.setToolTipText("Пароль для входа в БД");
    labelPassword.setText("Пароль :");
     this .add(inputPanel, BorderLayout.CENTER);
     this .add(mErrorMessage, BorderLayout.SOUTH);
     this .setFocusTraversalPolicy( new  LayoutFocusTraversalPolicy());
  }

   public   boolean  popupDialog()
  {
     int  result = JOptionPane.showOptionDialog(parent,  this , "Вход в систему", JOptionPane.DEFAULT_OPTION, JOptionPane.PLAIN_MESSAGE,  null , options, options[ 0 ]);
     switch  (result)
    {
       case   0 :
         return  true;
       default :
         return  false;
    }
  }

   public   void  modifyInitialContext(Object initialContext)
  {
  }

   public  Object getInfo(String info, Object connEnvironment)
  {
    RuntimeException exc =
      ((RuntimeException)((Hashtable)connEnvironment).get(DefaultConnectionStrategy
                                                                               .LAST_EXCEPTION));
     if  (exc ==  null )
    {
      mErrorMessage.setText("");
    }
     else 
    {
      mErrorMessage.setText("Неверный пароль/имя пользователя");
    }
    String username = (String)((Hashtable)connEnvironment).get(Configuration.DB_USERNAME_PROPERTY);
    String password = (String)((Hashtable)connEnvironment).get(Configuration.DB_PASSWORD_PROPERTY);
     boolean  isUsernameEmpty = ((username ==  null ) || (username.length() <=  0 ));
     boolean  isPasswordEmpty = ((password ==  null ) || (password.length() <=  0 ));
     if  (isUsernameEmpty)
    {
      username =  new  String(mUserName.getText()).trim();
      isUsernameEmpty = ((username ==  null ) || (username.length() <=  0 ));
    }
     if  (isPasswordEmpty)
    {
      password =  new  String(mPassword.getPassword()).trim();
      isPasswordEmpty = ((password ==  null ) || (password.length() <=  0 ));
    }
     if  (isUsernameEmpty || isPasswordEmpty || exc !=  null )
    {
       if  (!popupDialog())
      {
         throw   new  IllegalArgumentException("Вход прерван");
      }
    }
    ((Hashtable)connEnvironment).put(Configuration.DB_USERNAME_PROPERTY, mUserName.getText().trim());
    ((Hashtable)connEnvironment).put(Configuration.DB_PASSWORD_PROPERTY,  new  String(mPassword.getPassword()).trim());
     return   null ;
  }

   public   int  getNumOfRetries()
  {
     return   3 ;
  }
}