abstractinputtabledialogue.java

java数据库编程。JDBC+SQL+GUI。用java写的一个影碟租赁系统

//Vedio rental System Developed by Banu

import javax.swing.JOptionPane;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.BorderFactory;
import javax.swing.event.ListSelectionListener;
import javax.swing.event.ListSelectionEvent;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;


public class abstractInputTableDialogue extends JDialog implements ListSelectionListener, ActionListener
{
	
	private JList lstTables;
	private JScrollPane scrollPane;
	protected JTextField txtTable;
	protected JButton cmdClick, cmdCancel;
	protected JLabel lblStatus;
	private JPanel panRoot, panSouthArea, panSelect;
	
	protected String strChosenTable = "";
	private String[] strList;
	
	protected String getChosenTable ()
	{
		return strChosenTable;
	}
	
	public abstractInputTableDialogue (JFrame mainApp, String[] strList)
	{
		
		super(mainApp, true);
		
		this.strList = strList;
		
		this.setSize(new Dimension(350, 500));
		this.setResizable(false);
		this.setLayout(new BorderLayout());
		
		lstTables = new JList();
		
		if (!strList[0].equalsIgnoreCase("---"))
		{
			
			lstTables.setListData(strList);
			lstTables.addListSelectionListener(this);
			
		}
		
		scrollPane = new JScrollPane(lstTables, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
		scrollPane.setPreferredSize(new Dimension(350, 400));
		
		txtTable = new JTextField("", 15);
		
		lblStatus = new JLabel("Choose a table");
		
		cmdClick = new JButton("");
		cmdCancel = new JButton("Cancel");
		
		cmdClick.addActionListener(this);
		cmdCancel.addActionListener(this);
		
		panRoot = new JPanel(new BorderLayout());
		panSouthArea = new JPanel(new BorderLayout());
		panSelect = new JPanel();
		
		this.add(panRoot, BorderLayout.CENTER);
			panRoot.add(scrollPane, BorderLayout.NORTH);
			panRoot.add(panSouthArea, BorderLayout.SOUTH);
				panSouthArea.add(panSelect, BorderLayout.NORTH);
					panSelect.add(txtTable);
					panSelect.add(cmdClick);
					panSelect.add(cmdCancel);
				panSouthArea.add(lblStatus, BorderLayout.SOUTH);
				
		panRoot.setBorder(BorderFactory.createEmptyBorder(2,2,2,2));	
		
		txtTable.requestFocusInWindow();
				
	}
	
	public void valueChanged (ListSelectionEvent e)
	{
		txtTable.setText((String)lstTables.getSelectedValue());
	}
	
	public void actionPerformed (ActionEvent e)
	{
	}
	
	protected boolean exists (String strTableName)
	{
		
		for (int i = 0; i < strList.length; i++)
		{
			
			if (strTableName.equalsIgnoreCase(strList[i]))
			{
				return true;
			}
			
		}
		
		return false;
		
	}
		
}