printdialog.java

java编程开发技巧与实例的编译测试通过的所有例程

import java.awt.GridLayout;
import java.awt.FlowLayout;
import java.awt.BorderLayout;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;

public class PrintDialog extends JFrame implements ActionListener
{
	private JComboBox printers		=	new	JComboBox();
	
	private JButton			okay	=	new JButton("OK");
	private JButton			cancel	=	new JButton("Cancel");
	private JRadioButton	all		=	new JRadioButton("All Pages");
	private JRadioButton	current	=	new JRadioButton("Current Pages");
	private JRadioButton	selected=	new JRadioButton("Selected Pages");
	
	private JCheckBox	numbers	=	new JCheckBox("Include Line Numbers");
	private JCheckBox	headers	=	new JCheckBox("Header on all pages");
	private JCheckBox	fileName=	new JCheckBox("File name on each page");
	
	public PrintDialog()
	{
		super("Print Dialog");
		//combobox  . . .
		printers.addItem("HP DeskJet 690C");
		printers.addItem("HP DeskJet 870C Series");
		printers.addItem("HP LaserJet 5");
		printers.addItem("Networked Office Printer");
		printers.addItem("Networked Computer Lab Printer");
		
		JPanel printerPanel	=	new JPanel(new FlowLayout(FlowLayout.LEFT));
		printerPanel.setBorder(new TitledBorder("Printer Selection"));
		printerPanel.add(new JLabel("Name: "));
		printerPanel.add(printers);
		//-------------------------
		ButtonGroup pageOptions	=	new ButtonGroup();
		pageOptions.add(all);
		pageOptions.add(current);
		pageOptions.add(selected);
		all.setSelected(true);
		JPanel pagePanel	=	new JPanel(new GridLayout(3, 1));
		pagePanel.add(all);
		all.addActionListener(this);
		pagePanel.add(current);
		current.addActionListener(this);
		pagePanel.add(selected);
		selected.addActionListener(this);
		pagePanel.setBorder(new TitledBorder("Print Range: "));
		JPanel optionsPanel	=	new JPanel(new GridLayout(3, 1));
		optionsPanel.add(numbers);
		numbers.addActionListener(this);
		numbers.setToolTipText("numbers . . .");
		optionsPanel.add(headers);
		headers.addActionListener(this);
		optionsPanel.add(fileName);
		fileName.addActionListener(this);
		optionsPanel.setBorder(new TitledBorder("Format Options: "));
		//JPanel buttons	=	new JPanel(new FlowLayout());
		JPanel buttons	=	new JPanel(new GridLayout(1,1));
		buttons.add(okay);
		okay.addActionListener(this);
		okay.setToolTipText("selection is okay!");
		buttons.add(cancel);
		cancel.addActionListener(this);
		cancel.setToolTipText("quit the app.");
		getContentPane().setLayout(new BorderLayout());
		getContentPane().add("West", pagePanel);
		getContentPane().add("East", optionsPanel);
		getContentPane().add("South", buttons);
		
		getContentPane().add("North", printerPanel);
		validate();
		pack();
		//setSize(400, 300);
		setLocationRelativeTo(null);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent ae)
	{
		if ((ae.getSource() == okay) || (ae.getSource() == cancel))
			{
				System.out.println("Printer: " + printers.getSelectedItem());
				System.exit(0);
			}
		else
			System.out.println("Command: " + ae.getActionCommand());
	}
	public static void main(String args[])
	{
		try
		{
			String lf_wind	=	"com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
			String lf_unix	=	"com.sun.java.swing.plaf.motif.MotifLookAndFeel";
			String lf_java	=	"javax.swing.plaf.metal.MetalLookAndFeel";
			UIManager.setLookAndFeel(lf_java);
		}
		catch	(Exception e)
		{
			System.err.println("Exception: " + e);
		}
		PrintDialog pd	=	new PrintDialog();
	}
}