AccountFrame.java

package org.prevayler.demos.demo2.gui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.text.DecimalFormat;
import java.text.ParseException;
import javax.swing.Box;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.prevayler.Prevayler;

abstract class AccountFrame extends JInternalFrame {
  protected final Prevayler _prevayler;
  protected final JTextField holderField=new JTextField();
  protected String holderText(){
    return holderField.getText();
  }
  AccountFrame(  String title,  Prevayler prevayler,  Container container){
    super(title,false,true);
    _prevayler=prevayler;
    container.add(this);
    this.setBackground(new Color(204,204,204));
    getContentPane().add(Box.createVerticalStrut(4),BorderLayout.NORTH);
    getContentPane().add(Box.createHorizontalStrut(4),BorderLayout.EAST);
    getContentPane().add(Box.createHorizontalStrut(4),BorderLayout.WEST);
    getContentPane().add(fieldBox(),BorderLayout.CENTER);
    getContentPane().add(buttonPanel(),BorderLayout.SOUTH);
    show();
    holderField.requestFocus();
  }
  private Box fieldBox(){
    Box fieldBox=Box.createVerticalBox();
    addFields(fieldBox);
    return fieldBox;
  }
  protected void addFields(  Box fieldBox){
    fieldBox.add(labelContainer("Holder"));
    fieldBox.add(holderField);
  }
  private JPanel buttonPanel(){
    JPanel buttonPanel=new JPanel();
    addButtons(buttonPanel);
    return buttonPanel;
  }
  abstract protected void addButtons(  JPanel buttonPanel);
  protected Container labelContainer(  String text){
    Box box=Box.createHorizontalBox();
    JLabel label=new JLabel(text);
    box.add(label);
    box.add(Box.createHorizontalGlue());
    return box;
  }
  protected Component gap(){
    return Box.createVerticalStrut(3);
  }
  protected long parse(  String numericString) throws ParseException {
    return new DecimalFormat("#").parse(numericString).longValue();
  }
}