optionpanedemo.java

实现功能的代码..具体我也不记得了.. 可以下载查看具体内容.. 绝对是好代码..今天刚用一个软件查看的代码.可能是面板功能按钮

/* 
  * @(#)OptionPaneDemo.java	1.3 99/10/12 
  * 
  * Copyright (c) 1997-1999 by Sun Microsystems, Inc. All Rights Reserved. 
  *  
  * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, 
  * modify and redistribute this software in source and binary code form, 
  * provided that i) this copyright notice and license appear on all copies of 
  * the software; and ii) Licensee does not utilize the software in a manner 
  * which is disparaging to Sun. 
  *  
  * This software is provided "AS IS," without a warranty of any kind. ALL 
  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY 
  * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR 
  * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE 
  * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING 
  * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS 
  * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, 
  * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER 
  * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF 
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  * POSSIBILITY OF SUCH DAMAGES. 
  *  
  * This software is not designed or intended for use in on-line control of 
  * aircraft, air traffic, aircraft navigation or aircraft communications; or in 
  * the design, construction, operation or maintenance of any nuclear 
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  * redistribute the Software for such purposes. 
  */ 
  
  
 import javax.swing.*; 
 import javax.swing.event.*; 
 import javax.swing.text.*; 
 import javax.swing.border.*; 
 import javax.swing.colorchooser.*; 
 import javax.swing.filechooser.*; 
 import javax.accessibility.*; 
  
 import java.awt.*; 
 import java.awt.event.*; 
 import java.beans.*; 
 import java.util.*; 
 import java.io.*; 
 import java.applet.*; 
 import java.net.*; 
  
 /** 
  * JOptionPaneDemo 
  * 
  * @version 1.3 10/12/99 
  * @author Jeff Dinkins 
  */ 
 public class OptionPaneDemo extends DemoModule { 
  
     /** 
      * main method allows us to run as a standalone demo. 
      */ 
     public static void main(String[] args) { 
 	OptionPaneDemo demo = new OptionPaneDemo(null); 
 	demo.mainImpl(); 
     } 
  
     /** 
      * OptionPaneDemo Constructor 
      */ 
     public OptionPaneDemo(SwingSet2 swingset) { 
 	// Set the title for this demo, and an icon used to represent this 
 	// demo inside the SwingSet2 app. 
 	super(swingset, "OptionPaneDemo", "toolbar/JOptionPane.gif"); 
  
 	JPanel demo = getDemoPanel(); 
  
 	demo.setLayout(new BoxLayout(demo, BoxLayout.X_AXIS)); 
  
 	JPanel bp = new JPanel() { 
 	    public Dimension getMaximumSize() { 
 		return new Dimension(getPreferredSize().width, super.getMaximumSize().height); 
 	    } 
 	}; 
 	bp.setLayout(new BoxLayout(bp, BoxLayout.Y_AXIS)); 
  
 	bp.add(Box.createRigidArea(VGAP30)); 
 	bp.add(Box.createRigidArea(VGAP30)); 
  
 	bp.add(createInputDialogButton());      bp.add(Box.createRigidArea(VGAP15)); 
 	bp.add(createWarningDialogButton());    bp.add(Box.createRigidArea(VGAP15)); 
 	bp.add(createMessageDialogButton());    bp.add(Box.createRigidArea(VGAP15)); 
 	bp.add(createComponentDialogButton());  bp.add(Box.createRigidArea(VGAP15)); 
 	bp.add(createConfirmDialogButton());    bp.add(Box.createVerticalGlue()); 
  
 	demo.add(Box.createHorizontalGlue()); 
 	demo.add(bp); 
 	demo.add(Box.createHorizontalGlue()); 
     } 
  
     public JButton createWarningDialogButton() { 
 	Action a = new AbstractAction(getString("OptionPaneDemo.warningbutton")) { 
 	    public void actionPerformed(ActionEvent e) { 
 		JOptionPane.showMessageDialog( 
 		    getDemoPanel(), 
 		    getString("OptionPaneDemo.warningtext"), 
 		    getString("OptionPaneDemo.warningtitle"), 
 		    JOptionPane.WARNING_MESSAGE 
 		); 
 	    } 
 	}; 
 	return createButton(a); 
     } 
  
     public JButton createMessageDialogButton() { 
 	Action a = new AbstractAction(getString("OptionPaneDemo.messagebutton")) { 
 	    URL img = getClass().getResource("/resources/images/optionpane/bottle.gif"); 
 	    String imagesrc = "<img src=\"" + img + "\" width=\藬\" height=\蔴\">"; 
 	    String message = getString("OptionPaneDemo.messagetext"); 
 	    public void actionPerformed(ActionEvent e) { 
 		JOptionPane.showMessageDialog( 
 		    getDemoPanel(), 
 		    "<html>" + imagesrc + "<br><center>" + message + "</center><br></html>" 
 		); 
 	    } 
 	}; 
 	return createButton(a); 
     } 
  
     public JButton createConfirmDialogButton() { 
 	Action a = new AbstractAction(getString("OptionPaneDemo.confirmbutton")) { 
 	    public void actionPerformed(ActionEvent e) { 
                 int result = JOptionPane.showConfirmDialog(getDemoPanel(), getString("OptionPaneDemo.confirmquestion")); 
                 if(result == JOptionPane.YES_OPTION) { 
 		    JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.confirmyes")); 
 		} else if(result == JOptionPane.NO_OPTION) { 
                     JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.confirmno")); 
 		} 
 	    } 
 	}; 
 	return createButton(a); 
     } 
  
     public JButton createInputDialogButton() { 
 	Action a = new AbstractAction(getString("OptionPaneDemo.inputbutton")) { 
 	    public void actionPerformed(ActionEvent e) { 
                 String result = JOptionPane.showInputDialog(getDemoPanel(), getString("OptionPaneDemo.inputquestion")); 
 		JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.inputresponse")); 
 	    } 
 	}; 
 	return createButton(a); 
     } 
  
     public JButton createComponentDialogButton() { 
 	Action a = new AbstractAction(getString("OptionPaneDemo.componentbutton")) { 
 	    public void actionPerformed(ActionEvent e) { 
 		// In a ComponentDialog, you can show as many message components and 
 		// as many options as you want: 
  
 		// Messages 
                 Object[]      message = new Object[4]; 
                 message[0] = getString("OptionPaneDemo.componentmessage"); 
                 message[1] = new JTextField(getString("OptionPaneDemo.componenttextfield")); 
  
                 JComboBox cb = new JComboBox(); 
                 cb.addItem(getString("OptionPaneDemo.component_cb1")); 
                 cb.addItem(getString("OptionPaneDemo.component_cb2")); 
                 cb.addItem(getString("OptionPaneDemo.component_cb3")); 
                 message[2] = cb; 
  
                 message[3] = getString("OptionPaneDemo.componentmessage2"); 
  
 		// Options 
                 String[] options = { 
 		    getString("OptionPaneDemo.component_op1"), 
 		    getString("OptionPaneDemo.component_op2"), 
 		    getString("OptionPaneDemo.component_op3"), 
 		    getString("OptionPaneDemo.component_op4"), 
 		    getString("OptionPaneDemo.component_op5") 
 		}; 
                 int result = JOptionPane.showOptionDialog( 
 		    getDemoPanel(),                             // the parent that the dialog blocks 
 		    message,                                    // the dialog message array 
 		    getString("OptionPaneDemo.componenttitle"), // the title of the dialog window 
 		    JOptionPane.DEFAULT_OPTION,                 // option type 
 		    JOptionPane.INFORMATION_MESSAGE,            // message type 
 		    null,                                       // optional icon, use null to use the default icon 
 		    options,                                    // options string array, will be made into buttons 
 		    options[3]                                  // option that should be made into a default button 
 		); 
 		switch(result) { 
 		   case 0: // yes 
 		     JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r1")); 
 		     break; 
 		   case 1: // no 
 		     JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r2")); 
 		     break; 
 		   case 2: // maybe 
 		     JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r3")); 
 		     break; 
 		   case 3: // probably 
 		     JOptionPane.showMessageDialog(getDemoPanel(), getString("OptionPaneDemo.component_r4")); 
 		     break; 
 		   default: 
 		     break; 
 		} 
  
 	    } 
 	}; 
 	return createButton(a); 
     } 
 		 
     public JButton createButton(Action a) { 
 	JButton b = new JButton() { 
 	    public Dimension getMaximumSize() { 
 		int width = Short.MAX_VALUE; 
 		int height = super.getMaximumSize().height; 
 		return new Dimension(width, height); 
 	    } 
 	}; 
 	// setting the following client property informs the button to show 
 	// the action text as it's name. The default is to not show the 
 	// action text. 
 	b.putClientProperty("displayActionText", Boolean.TRUE); 
 	b.setAction(a); 
 	// b.setAlignmentX(JButton.CENTER_ALIGNMENT); 
 	return b; 
     } 
  
 }