吉行天下, 力挽狂澜

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数据加载中……

Swing组件使用

package  com.ibm.www.test;

import  javax.swing. * ;

import  java.awt. * ;
import  java.awt.event. * ;
import  javax.swing.tree. * ;
import  javax.swing.event. * ;
import  javax.swing.border. * ;
import  javax.swing.table. * ;

/**  
 * Swing 组件测试程序
 * 测试Swing所有组件及其相应的事件
 * 
@author  天翼.李 2003.4.17 晚23:14
 * 
@link   http://www.robochina.org
 * 
@link  robococde@etang.com
 
*/

public   class  SwingTest  extends  JFrame
{
    
/**
     * 主模块,初始化所有子模块,并设置主框架的相关属性
     
*/

    
public  SwingTest()
    
{
        
//  初始化所有模块
        MenuTest menuTest  =   new  MenuTest();
        LeftPanel leftPanel 
=   new  LeftPanel();
        RightPanel rightPanel 
=   new  RightPanel();
        BottomPanel bottomPanel 
=   new  BottomPanel();
        CenterPanel centerPanel 
=   new  CenterPanel();
        
        
//  设置主框架的布局
        Container c  =   this .getContentPane();
        
//  c.setLayout(new BorderLayout())
         this .setJMenuBar(menuTest);
        
        c.add(leftPanel,BorderLayout.WEST);
        c.add(rightPanel,BorderLayout.EAST);
        c.add(centerPanel,BorderLayout.CENTER);
        c.add(bottomPanel,BorderLayout.SOUTH);
        
        
//  利用无名内隐类,增加窗口事件
         this .addWindowListener( new  WindowAdapter()
            
{
                
public   void  WindowClosing(WindowEvent e)
                
{   
                    
//  释放资源,退出程序
                    dispose();
                    System.exit(
0 );
                }

            }
);
            
        
        
        setSize(
700 , 500 );
        setTitle(
" Swing 组件大全简体版 " );
        
//  隐藏frame的标题栏,此功暂时关闭,以方便使用window事件
        
//  setUndecorated(true);
        setLocation( 200 , 150 );
        show();        
    }


    
////////////////////////////////////////////////////////////////////////////
     /**
     * 菜单栏处理模块
     * JMenuBar --+
     *            --JMenu--+
     *                       --JMenuItem  --ActionListener 
     *              
     
*/

    
class  MenuTest  extends  JMenuBar
    
{
        
private  JDialog aboutDialog;
            
        
/**
         * 菜单初始化操作
         
*/
    
        
public  MenuTest()
        
{
            JMenu fileMenu 
=   new  JMenu( " 文件 " );
            JMenuItem exitMenuItem 
=   new  JMenuItem( " 退出 " ,KeyEvent.VK_E);
            JMenuItem aboutMenuItem 
=   new  JMenuItem( " 关于 " ,KeyEvent.VK_A);            
                                                
            fileMenu.add(exitMenuItem);
            fileMenu.add(aboutMenuItem);
            
            
this .add(fileMenu);        
            
                    
            aboutDialog 
=   new  JDialog();
            initAboutDialog();
                        
            
//  菜单事件
            exitMenuItem.addActionListener( new  ActionListener()
            
{
                
public   void  actionPerformed(ActionEvent e)
                
{
                    dispose();
                    System.exit(
0 );
                }

            }
);
            
            aboutMenuItem.addActionListener(
new  ActionListener()
            
{
                
public   void  actionPerformed(ActionEvent e)
                
{
                    
//  "关于"对话框的处理
                    aboutDialog.show();
                }

            }
);            
                        
        }

        
        
/**
         * 返回关于对话框
         
*/

        
public  JDialog getAboutDialog()
        
{
            
return  aboutDialog;
        }

        
        
/**
         * 设置"关于"对话框的外观及响应事件,操作和JFrame一样都是在内容
         * 框架上进行的
         
*/

        
public   void  initAboutDialog()
        
{
            aboutDialog.setTitle(
" 关于 " );
            
            Container con 
= aboutDialog.getContentPane();
             
            
//  Swing 中使用html语句
            Icon icon  =   new  ImageIcon( " smile.gif " );
            JLabel aboutLabel 
=   new  JLabel( " <html><b><font size=5> " +
            
" <center>Swing 组件大全简体版! " + " <br>天翼.李 " ,icon,JLabel.CENTER);
                        
            
// JLabel aboutLabel = new JLabel("Swing 组件大全简体版!",icon,JLabel.CENTER);
            con.add(aboutLabel,BorderLayout.CENTER);
            
            aboutDialog.setSize(
450 , 225 );
            aboutDialog.setLocation(
300 , 300 );                        
            aboutDialog.addWindowListener(
new  WindowAdapter()
            
{
                
public   void  WindowClosing(WindowEvent e)
                
{
                    dispose();
                }
                    
            }
);            
        }

    }

    
    
////////////////////////////////////////////////////////////////////////////
     /**
     * 最左边模块,继承JPanel,初始化内容为JTree
     * JPanel--+
     *         --JTree
     
*/

    
class  LeftPanel  extends  JPanel
    
{
        
private   int  i  =   0 ;
        
public  LeftPanel()
        
{
            
            DefaultMutableTreeNode    root 
=   new  DefaultMutableTreeNode( " Root " );
            DefaultMutableTreeNode child 
=   new  DefaultMutableTreeNode( " Child " );
            DefaultMutableTreeNode select 
=   new  DefaultMutableTreeNode( " select " );
            
            DefaultMutableTreeNode child1 
=   new  DefaultMutableTreeNode( "" + i);
            
            root.add(child);        
            root.add(select);
            child.add(child1);    
            
            JTree tree 
=   new  JTree(root);
            tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
            
            
//  每个节点的行高
            tree.setRowHeight( 20 );            
            tree.addTreeSelectionListener(
new  TreeSelectionListener ()
            
{
                
public   void  valueChanged(TreeSelectionEvent e)
                
{
                    
//  内隐类不能直接引用外部类tree,1.外部变量可申明为final 2.新建外部类的对象
                    JTree tree  = (JTree)e.getSource();
                    DefaultMutableTreeNode selectNode 
=  (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
                    i
++ ;
                    selectNode.add(
new  DefaultMutableTreeNode( "" + i));
                }

            }
);            
            
            tree.setPreferredSize(
new  Dimension( 100 , 300 ));
        
//     tree.setEnabled(true);
            JScrollPane scrollPane  =   new  JScrollPane(tree);
            
// scrollPane.setSize(100,350);
             this .add(scrollPane);
        }

    }

    
    
////////////////////////////////////////////////////////////////////////////
     /**
     * 最下面层模块,继承JPanel,初始化内容为进度条,并由定时器控制
     * JPanel--+
     *         --JProcessBar  --Timer
     
*/

    
class  BottomPanel  extends  JPanel
    
{
        
private  JProgressBar pb;
        
public  BottomPanel()
        
{
            pb 
=   new  JProgressBar();
            pb.setPreferredSize(
new  Dimension( 680 , 20 ));
            
            
//  设置定时器,用来控制进度条的处理
            Timer time  =   new  Timer( 1 , new  ActionListener()
            

                
int  counter  =   0 ;
                
public   void  actionPerformed(ActionEvent e)
                
{
                    counter
++ ;
                    pb.setValue(counter);
                    Timer t 
=  (Timer)e.getSource();
                    
                    
//  如果进度条达到最大值重新开发计数
                     if  (counter  ==  pb.getMaximum())
                    
{
                        t.stop();
                        counter 
= 0 ;
                        t.start();
                    }
                    
                }

            }
);
            time.start();
            
            pb.setStringPainted(
true );
            pb.setMinimum(
0 );
            pb.setMaximum(
1000 );
            pb.setBackground(Color.white);
            pb.setForeground(Color.red);
                        
            
this .add(pb);                
        }

        
        
/**
         * 设置进度条的数据模型
         
*/

        
public   void  setProcessBar(BoundedRangeModel rangeModel)
        
{
            pb.setModel(rangeModel);
        }

    }

    
    
////////////////////////////////////////////////////////////////////////////
     /**
     * 最右边模块,继承JPanel,初始化各种按钮
     * JPanel--+
     *         --JButton  --JToggleButton -- JList -- JCombox --JCheckBox .
     
*/

    
class  RightPanel  extends  JPanel
    
{
        
public  RightPanel()
        
{
            
this .setLayout( new  GridLayout( 8 , 1 ));        
            
            
            
//  初始化各种按钮
            JCheckBox checkBox  =   new  JCheckBox( " 复选按钮 " );            
            JButton button 
=   new  JButton( " 打开文件 " );
            button.addActionListener(
new  ActionListener()
            
{
                
public   void  actionPerformed(ActionEvent e)
                
{
                    JFileChooser file 
=   new  JFileChooser();
                    
int  result  =  file.showOpenDialog( new  JPanel());
                    
if  (result  == file.APPROVE_OPTION) 
                    
{
                        String fileName 
=  file.getSelectedFile().getName();                    
                        String dir 
=  file.getCurrentDirectory().toString();
                          JOptionPane.showConfirmDialog(
null ,dir + " \\ " + fileName, " 选择的文件 " ,JOptionPane.YES_OPTION);
                     }

                }

            }
);
                    
            JToggleButton toggleButton 
=   new  JToggleButton( " 双态按钮 " );
            
            ButtonGroup    buttonGroup 
=   new  ButtonGroup();
            JRadioButton radioButton1 
=   new  JRadioButton( " 单选按钮1 " , false );
            JRadioButton radioButton2 
=   new  JRadioButton( " 单选按钮2 " , false );
            
            
//  组合框的处理
            JComboBox comboBox  =   new  JComboBox();
            comboBox.setToolTipText(
" 点击下拉列表增加选项 " );
            comboBox.addActionListener(
new  ActionListener() 
            
{
                
public   void  actionPerformed(ActionEvent e)
                
{
                    JComboBox comboBox 
= (JComboBox)e.getSource();
                    comboBox.addItem(
" 程序员 " );
                    comboBox.addItem(
" 分析员 " );
                }

            }
);
            
            
//  列表框的处理
            DefaultListModel litem  =   new  DefaultListModel();
            litem.addElement(
" 香蕉 " );
            litem.addElement(
" 水果 " );
            JList list 
=   new  JList(litem);
            
            
            list.addListSelectionListener(
new  ListSelectionListener ()
            
{
                
public   void  valueChanged(ListSelectionEvent e)
                
{
                    JList l 
=  (JList)e.getSource();
                    Object s
=  l.getSelectedValue();
                    JOptionPane.showMessageDialog(
null ,s, " 消息框 " ,JOptionPane.YES_OPTION);
                }

            }
);
            
            
//  增加按钮组
            buttonGroup.add(radioButton1);
            buttonGroup.add(radioButton2);
            
            
//  增加各种按钮到JPanel中显示
            add(button);
            add(toggleButton);
            add(checkBox);
            add(radioButton1);            
            add(radioButton2);
            add(comboBox);
            
            add(list);
            
            
this .setBorder( new  EtchedBorder(EtchedBorder.LOWERED,Color.LIGHT_GRAY,Color.blue));
        }
        
    }

    
    
////////////////////////////////////////////////////////////////////////////
     /**
     * 中间层模块,继承JPanel,初始化页签,并在页签中设置文本区,表格,
     * 文本区上下用分隔条分隔
     * JPanel--+
     *         -JTabbedPane--+
     *                          --Draw    --JTable  -JTextAreas -JText --JPopupMenu
     
*/

    
class  CenterPanel  extends  JPanel
    
{
        
public  CenterPanel()
        
{
            JTabbedPane tab 
=   new  JTabbedPane(JTabbedPane.TOP);
            
            JTextField textField 
=   new  JTextField( " 文本域,点击打开<文件按钮>可选择文件 " );
            textField.setActionCommand(
" textField " );
            
            JTextPane textPane 
=   new  JTextPane();
            textPane.setCursor(
new  Cursor(Cursor.TEXT_CURSOR));
            textPane.setText(
" 编辑器,试着点击文本区,试着拉动分隔条。 " );
                        
            textPane.addMouseListener(
new  MouseAdapter () 
            
{
                
public   void  mousePressed (MouseEvent e)
                
{
                    JTextPane textPane 
=  (JTextPane)e.getSource();
                    textPane.setText(
" 编辑器点击命令成功 " );
                
//     textField.setText(""+textPane.getText());
                }

            }
);
            
            
/*
            UpperCaseDocument doc = new Document(); 
            textField.setDocumentsetDocument(doc);
            doc.addDocumentListener(new DocumentListener()
            {
                public void changedUpdate(DocumentEvent e){}
                public void removeUpdate(DocumentEvent e){}
                public void insertUpdate(DocumentEvent e)
                {
                    Document text = (Document)e.getDocument();
                    text.setText("复制成功");
                }                
            });
            
*/

            
            JSplitPane splitPane 
=   new  JSplitPane(JSplitPane.VERTICAL_SPLIT,textField,textPane);
            
                
            JTable table 
=   new  JTable( 10 , 10 );
            
// table.showHorizontalLines(true);
            
// table.showVerticalLines(true);
            
// table.gridColor(Color.blue);
            
            JPanel pane  
=   new  JPanel();
            pane.add(table.getTableHeader(),BorderLayout.NORTH);
            pane.add(table);
                        
            tab.addTab(
" 文本演示 " ,splitPane);
            
// tab.addTab(table.getTableHeader());
            tab.addTab( " 表格演示 " ,pane);
            tab.setPreferredSize(
new  Dimension( 500 , 600 ));
            
this .add(tab);
            
this .setEnabled( true );            
        }

    }

    
    
    
public   static   void  main(String args[])
    
{
        
//  设置主框架属性,此处没有使用,可打开看看效果
        
// try
        
// {
        
//     UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        
// }
        
// catch  (Exception e){}
         new  SwingTest();                        
    }

}


posted on 2007-01-01 11:21 吉豕皮 阅读(608) 评论(0)  编辑 收藏 引用

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