import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;

public class TabbedPaneDemo extends JPanel {
	    //存放學號arrayno和成績arraycj的數組;
        private String[] arrayno=new String[100];
	    private String[] arraycj=new String[100];
	    private static int count=0;//計算錄入個數;
	    
	    //建立四個用于輸入的區域;
	    JTextField tf1=new JTextField(16);
	    JTextField tf2=new JTextField(16);
	    JTextField tf3=new JTextField(16);
	    JTextField tf4=new JTextField(16);
	    //用于排序后輸出區域;
	    JTextArea ta=new JTextArea();
	    
	    //插入按鈕事件;
	    private class buttonhandler implements ActionListener
         {
         public void actionPerformed(ActionEvent e)
    	 {
    		if(tf1.getText().length()!=0)//輸入不為空;
    		{
    			 arrayno[count]=tf1.getText();
    		     arraycj[count]=tf2.getText();
    		     count++;
    		}
    		//清空;
    		tf1.setText("");
    		tf2.setText("");
    	 }
        }
	    //查詢按鈕事件;
	    private class buttonhandler2 implements ActionListener
         {
         public void actionPerformed(ActionEvent e)
    	 {
    	 	String aa=new String();
    		aa=tf3.getText();
    		int i=0;
    		while(i<count)
    		{
    			if(arrayno[i].equals(aa)) {tf4.setText(arraycj[i]);break;}
    			else if(i==count-1){tf4.setText("no data!");} //判斷查找是否結束;
    			i++;
    		}
    	 }
        }
        //排序按鈕事件;
        private class buttonhandler3 implements ActionListener
         {
         public void actionPerformed(ActionEvent e)
    	 {
    	 	//冒泡排序
    	    for (int i = 0; i <count; i++)
            {
                for (int j = i; j <count; j++)
                {
                    if (Integer.parseInt(arraycj[i]) > Integer.parseInt(arraycj[j]))
                    {
                        String temp=arraycj[i];
                        arraycj[i]=arraycj[j];
                        arraycj[j]=temp;
                        temp=arrayno[i];
                        arrayno[i]=arrayno[j];
                        arrayno[j]=temp;
                    }
                }
            }
            ta.setText("");//先清空顯示區間;
            ta.append("No.\t\tMark\n");
            for(int k=0;k<count;k++)
            	{
            		ta.append(arrayno[k]+"\t\t"+arraycj[k]+"\n");
            	}
    	 }
        }
        
	    public TabbedPaneDemo() 
	    {
        super(new GridLayout(1, 1));
        
        JTabbedPane tabbedPane = new JTabbedPane();
        //建立3個圖標;
        ImageIcon icon1 = new ImageIcon("1.gif");
        ImageIcon icon2 = new ImageIcon("2.gif");
        ImageIcon icon3 = new ImageIcon("3.gif");
        
        //成績插入面板;
        JComponent panel1 = makeTextPanel("");
        tabbedPane.addTab("成績輸入", icon1, panel1,"write");
        Box  baseBox,box1,box2,box3;
        box1=Box.createVerticalBox();
        box1.add(new JLabel("學生學號:"));
        box1.add(Box.createVerticalStrut(8));
        box1.add(new JLabel("學生成績:"));
        box2=Box.createVerticalBox();
        box2.add(tf1);
        box2.add(Box.createVerticalStrut(10));
        box2.add(tf2);
        box3=Box.createHorizontalBox();
        JButton button1=new JButton("確定");
        button1.addActionListener(new buttonhandler());
        box3.add(button1);
        baseBox=Box.createHorizontalBox();
        box2.add(Box.createVerticalStrut(8));
        baseBox.add(box1);
        baseBox.add(Box.createHorizontalStrut(10));
        baseBox.add(box2);
        baseBox.add(Box.createHorizontalStrut(10));
        baseBox.add(box3);
        baseBox.add(Box.createVerticalStrut(10));
        panel1.setLayout(new FlowLayout());
        panel1.add(baseBox);
        tabbedPane.setMnemonicAt(0, KeyEvent.VK_1);
        
        //成績查詢面板;
        JComponent panel2 = makeTextPanel(" ");
        tabbedPane.addTab("成績查詢", icon2, panel2,"read");
        panel2.setLayout(new FlowLayout());
        Box  baseBox2,box4,box6;
        box4=Box.createHorizontalBox();
        box4.add(new JLabel("學生學號:"));
        box4.add(tf3);
        box6=Box.createHorizontalBox();
        box6.add(new JLabel("學生成績:"));
        box6.add(tf4);
        JButton button2=new JButton("查詢");
        button2.addActionListener(new buttonhandler2());
        box4.add(button2);
        baseBox2=Box.createVerticalBox();
        baseBox2.add(box4);
        baseBox2.add(box6);
        panel2.add(baseBox2);
        tabbedPane.setMnemonicAt(1, KeyEvent.VK_2);
        
        //排序面板;
        JComponent panel3 = makeTextPanel("");
        tabbedPane.addTab("成績排序", icon3, panel3,"sort");
        panel3.setLayout(new BorderLayout());
        JButton button3=new JButton("排序");
        button3.addActionListener(new buttonhandler3());
        panel3.add(button3,"North");
        panel3.add(new JScrollPane(ta),BorderLayout.CENTER);
        tabbedPane.setMnemonicAt(2, KeyEvent.VK_3);
        
        panel1.setPreferredSize(new Dimension(410, 150)); 
        add(tabbedPane);
        tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    }
    
    protected JComponent makeTextPanel(String text) {
        JPanel panel = new JPanel(false);
        JLabel filler = new JLabel(text);
        filler.setHorizontalAlignment(JLabel.CENTER);
        panel.setLayout(new GridLayout(1, 1));
        panel.add(filler);
        return panel;
    }
    
  
    private static void createAndShowGUI() {
        JFrame frame = new JFrame("學生成績系統");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(new TabbedPaneDemo(), BorderLayout.CENTER);
        frame.pack();
        frame.setVisible(true);
    }
    
    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
		UIManager.put("swing.boldMetal", Boolean.FALSE);
		createAndShowGUI();
            }
        });
    }
}