operatepanel.java

一个简单的商品采集系统

//the definition of create-file open-file operation panel 
import java.awt.*;
import javax.swing.*;

public class OperatePanel extends JPanel {
	
	protected String names[] ;
	protected JLabel labels[];
	protected JTextField fields[];
	protected JButton doTask1, doTask2;
	protected JPanel panelCenter,panelSouth;
	protected int size;
	
	public OperatePanel ()
	{
		this ( 10,null );
	}
	
	public OperatePanel ( int mySize,String gname[] )
	{
		size = mySize;
		names = new String[size];
		
		for( int i = 0 ;i < size; i++ )
		   names[ i ] = new String( gname [ i ] ); 
		   
		labels = new JLabel[ size ];
		fields = new JTextField[ size ];
		
		for ( int i = 0; i < labels.length; i++ )
         labels[ i ] = new JLabel( names[ i ] );
            
        for ( int i = 0; i < fields.length; i++ )
        {
        	fields[ i ] = new JTextField();
        	//fields[ i ].setEditable( false );
        }
         

        panelCenter = new JPanel();
        panelCenter.setLayout( new GridLayout( size, 2 ) );

        for ( int i = 0; i < size; i++ ) {
         panelCenter.add( labels[ i ] );
         panelCenter.add( fields[ i ] );
        }
      
        doTask1 = new JButton();
        doTask2 = new JButton(); 
        panelSouth = new JPanel();      
        panelSouth.add( doTask1 );
        panelSouth.add( doTask2 );

        setLayout( new BorderLayout() );
        add( panelCenter, BorderLayout.CENTER );
        add( panelSouth, BorderLayout.SOUTH );
        validate();
	 }
	
	public JButton getDoTask1() { return doTask1; }

    public JButton getDoTask2() { return doTask2; }

    public JTextField[] getFields() { return fields; }

     public void clearFields()
    {
      for ( int i = 0; i < size; i++ )
         fields[ i ].setText( "" );
    }

    public void setFieldValues( String s[] )
      throws IllegalArgumentException
    {
      if ( s.length != size )
         throw new IllegalArgumentException( "There must be "
            + size + " Strings in the array" );

      for ( int i = 0; i < size; i++ )
         fields[ i ].setText( s[ i ] );
    }

    public String[] getFieldValues()
    { 
      String values[] = new String[ size ];

      for ( int i = 0; i < size; i++ ) 
         values[ i ] = fields[ i ].getText();

      return values;
    }
}