一个很好实用的工作流OSWORKFLOW开发例子.有着非常优秀的灵活性.

				package com.opensymphony.workflow.designer;								import java.awt.*;				import java.awt.event.ActionListener;				import java.text.NumberFormat;				import javax.swing.*;				import javax.swing.text.html.HTMLDocument;				import javax.swing.text.View;				import javax.swing.text.DefaultFormatterFactory;				import javax.swing.text.NumberFormatter;								import com.jgoodies.forms.factories.ButtonBarFactory;				import com.jgoodies.forms.builder.DefaultFormBuilder;				import com.jgoodies.forms.layout.FormLayout;								/**				 * @author Hani Suleiman (hani@formicary.net)				 *         Date: May 21 2003				 *         Time: 9:46:11 PM				 */				public class UIFactory				{				  private static final DefaultFormatterFactory INT_FORMATTER_FACTORY;								  static				  {				    NumberFormat format = NumberFormat.getIntegerInstance();				    format.setGroupingUsed(false);				    INT_FORMATTER_FACTORY = new DefaultFormatterFactory(new NumberFormatter(format));				  }								  public static JFormattedTextField createIntegerField()				  {				    JFormattedTextField field = new JFormattedTextField();				    field.setFormatterFactory(INT_FORMATTER_FACTORY);				    return field;				  }								  public static JPanel getAddRemovePropertiesBar(ActionListener listener, String prefix, String[] names)				  {				    if(prefix == null) prefix = "";				    JButton[] buttons = new JButton[names.length];				    for(int i = 0; i < buttons.length; i++)				    {				      buttons[i] = new JButton(ResourceManager.getString(names[i]));				      buttons[i].setActionCommand(prefix + names[i]);				      buttons[i].addActionListener(listener);				    }					  return ButtonBarFactory.buildAddRemovePropertiesBar(buttons[0], buttons[1], buttons[2]);				  }								  public static DefaultFormBuilder getDialogBuilder(String separator, Container contentPane)				  {				    FormLayout layout = new FormLayout("2dlu, left:max(40dlu;pref), 3dlu, 110dlu:grow, 7dlu");				    DefaultFormBuilder builder = createBuilder((JPanel)contentPane, layout, separator);				    builder.setDefaultDialogBorder();				    return builder;				  }								  public static DefaultFormBuilder getTwoColumnBuilder(String separator, JPanel panel)				  {				    FormLayout layout = new FormLayout("2dlu, left:pref, 3dlu, pref:grow, 2dlu", "");				    DefaultFormBuilder builder = createBuilder(panel, layout, separator);				    return builder;				  }								  private static DefaultFormBuilder createBuilder(JPanel panel, FormLayout layout, String separator)				  {				    DefaultFormBuilder builder = new DefaultFormBuilder(panel, layout, ResourceManager.getBundle());				    builder.setLeadingColumnOffset(1);				    if(separator==null)				    {				      builder.appendRow(builder.getLineGapSpec());				      builder.nextLine();				    }				    else				    {				      builder.appendSeparator(separator);				    }				    return builder;				  }								  public static JPanel getOKCancelBar(ActionListener listener, String prefix)				  {				    if(prefix == null) prefix = "";				    JButton ok = new JButton(ResourceManager.getString("ok"));				    ok.setActionCommand(prefix + "ok");				    JButton cancel = new JButton(ResourceManager.getString("cancel"));				    cancel.setActionCommand(prefix + "cancel");				    ok.addActionListener(listener);				    cancel.addActionListener(listener);				    return ButtonBarFactory.buildOKCancelBar(ok, cancel);				  }								  public static JPanel getButtonBar(ActionListener[] listener, String prefix, String[] names)				  {				    if(prefix == null) prefix = "";				    if(listener.length!=names.length) throw new IllegalArgumentException("listener.length=" + listener.length + " but names.length=" + names.length);				    JButton[] buttons = new JButton[names.length];				    for(int i = 0; i < buttons.length; i++)				    {				      buttons[i] = new JButton(ResourceManager.getString(names[i]));				      buttons[i].setActionCommand(prefix + names[i]);				      buttons[i].addActionListener(listener[i]);				    }				    return ButtonBarFactory.buildCenteredBar(buttons);				  }								  public static JComponent createTablePanel(JTable table)				  {				    Color background = UIManager.getColor("window");				    JScrollPane scrollPane = new JScrollPane(table);				    scrollPane.getViewport().setOpaque(false);				    scrollPane.getViewport().setBackground(background);				    scrollPane.setOpaque(false);				    scrollPane.setCorner(JScrollPane.UPPER_RIGHT_CORNER, new JPanel());				    scrollPane.setCorner(JScrollPane.LOWER_RIGHT_CORNER, new JPanel());				    JPanel panel = new JPanel(new GridLayout(0, 1))				    {				      public void updateUI()				      {				        super.updateUI();				        setBackground(UIManager.getColor("window"));				      }				    };				    panel.setPreferredSize(new Dimension(220, 100));				    panel.add(scrollPane);				    return panel;				  }								  public static JTextField createReadOnlyTextField(int width)				  {				    JTextField field = new JTextField()				    {				      public boolean isFocusable()				      {				        return false;				      }								      protected void processEvent(AWTEvent e)				      {				      }				    };				    field.setEditable(false);				    field.setOpaque(false);				    field.setForeground(UIManager.getColor("TextField.foreground"));				    if(width!=-1)				    {				      field.setColumns(width);				    }				    return field;				  }								  public static JTextField createReadOnlyTextField()				  {				    return createReadOnlyTextField(-1);				  }				  				  public static void htmlize(JComponent component)				  {				    Font defaultFont = UIManager.getFont("Button.font");								    String stylesheet = "body { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; font-family: " + defaultFont.getName() + "; font-size: " + defaultFont.getSize() + "pt;	}" + "a, p, li { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; font-family: " + defaultFont.getName() + "; font-size: " + defaultFont.getSize() + "pt;	}";								    try				    {				      HTMLDocument doc = null;				      if(component instanceof JEditorPane)				      {				        doc = (HTMLDocument)((JEditorPane)component).getDocument();				      }				      else				      {				        View v = (View)component.getClientProperty(javax.swing.plaf.basic.BasicHTML.propertyKey);				        if(v != null)				        {				          doc = (HTMLDocument)v.getDocument();				        }				      }				      if(doc != null)				      {				        doc.getStyleSheet().loadRules(new java.io.StringReader(stylesheet), null);				      } // end of if (doc != null)				    }				    catch(Exception e)				    {				      e.printStackTrace();				    }				  }				}