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jeremybenn |
/* Demo.java -- Simple Java Print Service Demo
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.examples.print;
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import java.awt.BorderLayout;
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import java.awt.GridBagConstraints;
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import java.awt.GridBagLayout;
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import java.awt.Insets;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.util.HashSet;
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import java.util.Iterator;
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import javax.print.DocFlavor;
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import javax.print.DocPrintJob;
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import javax.print.PrintException;
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import javax.print.PrintService;
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import javax.print.PrintServiceLookup;
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import javax.print.ServiceUI;
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import javax.print.SimpleDoc;
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import javax.print.attribute.Attribute;
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import javax.print.attribute.HashPrintRequestAttributeSet;
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import javax.swing.JButton;
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import javax.swing.JComboBox;
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import javax.swing.JFileChooser;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JList;
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import javax.swing.JOptionPane;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTabbedPane;
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import javax.swing.JTextField;
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/**
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* A simple demo showing the use of the Java Print Service API.
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* @author Wolfgang Baer (WBaer@gmx.de)
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*/
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public class Demo extends JFrame
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implements ActionListener
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{
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// The discovered print services
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private static PrintService[] services;
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// variables for the PrintPanel demo
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private HashPrintRequestAttributeSet atts;
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private PrintService dialogSelectedService;
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private JTextField dialogSelectedService_Tf;
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private JList dialogSelectedServiceAtts;
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private JComboBox dialogSelectedServicedocFormat;
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private JTextField selectedFileTf;
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private File selectedFile;
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// variables for the PrintServicePanel demo
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private JComboBox serviceBox;
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private JList docFormat;
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private JList attCategories;
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static
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{
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// lookup all services without any constraints
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services = PrintServiceLookup.lookupPrintServices(null, null);
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}
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/**
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* Constructs the Print Demo
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* @param title - the demo title.
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*/
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public Demo(String title)
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{
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super(title);
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JPanel content = new JPanel(new BorderLayout());
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JTabbedPane tabbed = new JTabbedPane();
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tabbed.addTab("Discover print services", createPrintServicePanel());
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tabbed.addTab("Print a file", createPrintPanel());
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JPanel closePanel = new JPanel();
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JButton closeButton = new JButton("Close");
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closeButton.setActionCommand("CLOSE");
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closeButton.addActionListener(this);
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closePanel.add(closeButton);
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content.add(tabbed, BorderLayout.CENTER);
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content.add(closePanel, BorderLayout.SOUTH);
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getContentPane().add(content);
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}
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private JPanel createPrintServicePanel()
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{
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JPanel panel = new JPanel(new GridBagLayout());
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GridBagConstraints c = new GridBagConstraints();
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c.insets = new Insets(5,5,5,5);
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c.gridx = 0;
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c.gridy = 0;
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c.anchor = GridBagConstraints.WEST;
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c.fill = GridBagConstraints.HORIZONTAL;
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JLabel serviceBoxLb = new JLabel("Available print services: ");
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panel.add(serviceBoxLb, c);
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c.gridx = 1;
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c.gridy = 0;
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serviceBox = new JComboBox(services);
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serviceBox.setActionCommand("SERVICE");
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serviceBox.addActionListener(this);
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panel.add(serviceBox, c);
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c.gridx = 0;
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c.gridy = 1;
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JLabel docFormatLb = new JLabel("Supported DocFormat: ");
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panel.add(docFormatLb, c);
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c.gridx = 1;
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c.gridy = 1;
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docFormat = new JList(services[0].getSupportedDocFlavors());
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docFormat.setVisibleRowCount(3);
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JScrollPane scrollPane = new JScrollPane(docFormat);
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panel.add(scrollPane, c);
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c.gridx = 0;
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c.gridy = 2;
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JLabel categoriesLb = new JLabel("Supported Attribute categories: ");
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panel.add(categoriesLb, c);
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c.gridx = 1;
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c.gridy = 2;
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attCategories = new JList(services[0].getSupportedAttributeCategories());
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attCategories.setVisibleRowCount(3);
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JScrollPane scrollPane2 = new JScrollPane(attCategories);
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panel.add(scrollPane2, c);
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return panel;
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}
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private JPanel createPrintPanel()
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{
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JPanel panel = new JPanel(new GridBagLayout());
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GridBagConstraints c = new GridBagConstraints();
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c.insets = new Insets(5,5,5,5);
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c.gridx = 0;
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c.gridy = 0;
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c.gridwidth = 2;
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JButton serviceBtn = new JButton("Show print dialog ...");
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serviceBtn.addActionListener(this);
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panel.add(serviceBtn, c);
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c.gridx = 0;
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c.gridy = 1;
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c.gridwidth = 1;
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c.anchor = GridBagConstraints.WEST;
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c.fill = GridBagConstraints.HORIZONTAL;
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JLabel selectedLb = new JLabel("Selected print service: ");
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panel.add(selectedLb, c);
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c.gridx = 1;
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c.gridy = 1;
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dialogSelectedService_Tf = new JTextField(25);
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panel.add(dialogSelectedService_Tf, c);
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c.gridx = 0;
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c.gridy = 2;
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JLabel selectedAttsLb = new JLabel("Selected Attributes: ");
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panel.add(selectedAttsLb, c);
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c.gridx = 1;
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c.gridy = 2;
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c.weighty = 1.5;
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c.fill = GridBagConstraints.BOTH;
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dialogSelectedServiceAtts = new JList();
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dialogSelectedServiceAtts.setVisibleRowCount(3);
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JScrollPane scrollPane = new JScrollPane(dialogSelectedServiceAtts);
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panel.add(scrollPane, c);
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c.gridx = 0;
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c.gridy = 3;
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c.fill = GridBagConstraints.HORIZONTAL;
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JLabel fileLb = new JLabel("File to print: ");
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panel.add(fileLb, c);
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c.gridx = 1;
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c.gridy = 3;
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selectedFileTf = new JTextField(25);
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panel.add(selectedFileTf, c);
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c.gridx = 2;
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c.gridy = 3;
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c.fill = GridBagConstraints.NONE;
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JButton fileBt = new JButton("Choose file");
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fileBt.addActionListener(this);
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panel.add(fileBt, c);
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c.gridx = 0;
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c.gridy = 4;
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c.fill = GridBagConstraints.HORIZONTAL;
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JLabel docFormatLb = new JLabel("Document format of file: ");
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panel.add(docFormatLb, c);
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c.gridx = 1;
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c.gridy = 4;
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dialogSelectedServicedocFormat = new JComboBox();
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panel.add(dialogSelectedServicedocFormat, c);
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c.gridx = 0;
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c.gridy = 5;
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c.gridwidth = 2;
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c.anchor = GridBagConstraints.CENTER;
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c.fill = GridBagConstraints.NONE;
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JButton printBt = new JButton("Print");
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printBt.setActionCommand("PRINT");
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printBt.addActionListener(this);
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panel.add(printBt, c);
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return panel;
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}
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/**
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* Simple action control - only one listener
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* @param event
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*/
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public void actionPerformed(ActionEvent event)
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{
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if (event.getActionCommand().equals("CLOSE"))
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{
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System.exit(0);
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}
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else if (event.getActionCommand().equals("Choose file"))
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{
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JFileChooser chooser = new JFileChooser();
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chooser.showOpenDialog(this);
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selectedFile = chooser.getSelectedFile();
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if (selectedFile != null)
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selectedFileTf.setText(selectedFile.getName());
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else
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selectedFileTf.setText("None selected");
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}
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else if (event.getActionCommand().equals("Show print dialog ..."))
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{
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atts = new HashPrintRequestAttributeSet();
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dialogSelectedService = ServiceUI.printDialog(null, 50, 50, services,
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null, null, atts);
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if (dialogSelectedService != null)
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{
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dialogSelectedService_Tf.setText(dialogSelectedService.getName());
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// we do not want to have the class representation in the dialog
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// as we later always use an InputStream to open the file selected
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// use set to remove duplicates
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DocFlavor[] docflavors = dialogSelectedService.getSupportedDocFlavors();
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HashSet set = new HashSet();
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for (int i=0; i < docflavors.length; i++)
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{
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String charset = docflavors[i].getParameter("charset");
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String mimetype = docflavors[i].getMediaType() + "/" + docflavors[i].getMediaSubtype();
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if (charset != null)
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mimetype += "; charset=" + charset;
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set.add(mimetype);
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}
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dialogSelectedServicedocFormat.removeAllItems();
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for (Iterator it = set.iterator(); it.hasNext(); )
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dialogSelectedServicedocFormat.addItem(it.next());
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}
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else
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dialogSelectedService_Tf.setText("None selected");
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Attribute[] attsArray = atts.toArray();
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String[] attsSTr = new String[attsArray.length];
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for (int i = 0; i < attsSTr.length; i++)
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attsSTr[i] = attsArray[i].getName() + " - " + attsArray[i].toString();
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dialogSelectedServiceAtts.setListData(attsSTr);
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validate();
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}
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else if (event.getActionCommand().equals("PRINT"))
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{
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if (selectedFile != null && dialogSelectedService != null)
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{
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DocPrintJob job = dialogSelectedService.createPrintJob();
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// choose correct docflavor
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String mimetype = (String) dialogSelectedServicedocFormat.getSelectedItem();
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DocFlavor flavor = null;
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if (mimetype.equals(DocFlavor.INPUT_STREAM.GIF.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.GIF;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.AUTOSENSE.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.JPEG.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.JPEG;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.PCL.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.PCL;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.PDF.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.PDF;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.PNG.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.PNG;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.POSTSCRIPT.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.POSTSCRIPT;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.TEXT_HTML_HOST.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.TEXT_HTML_HOST;
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else if (mimetype.equals(DocFlavor.INPUT_STREAM.TEXT_PLAIN_HOST.getMimeType()))
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flavor = DocFlavor.INPUT_STREAM.TEXT_PLAIN_HOST;
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else
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flavor = new DocFlavor(mimetype, "java.io.InputStream");
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try
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{
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|
|
SimpleDoc doc = new SimpleDoc(new FileInputStream(selectedFile), flavor, null);
|
355 |
|
|
job.print(doc, atts);
|
356 |
|
|
}
|
357 |
|
|
catch (FileNotFoundException e)
|
358 |
|
|
{
|
359 |
|
|
JOptionPane.showMessageDialog(this, "The file was not found.");
|
360 |
|
|
e.printStackTrace();
|
361 |
|
|
}
|
362 |
|
|
catch (PrintException e)
|
363 |
|
|
{
|
364 |
|
|
JOptionPane.showMessageDialog(this, e, "PrintException", JOptionPane.ERROR_MESSAGE);
|
365 |
|
|
e.printStackTrace();
|
366 |
|
|
}
|
367 |
|
|
}
|
368 |
|
|
else
|
369 |
|
|
JOptionPane.showMessageDialog(this, "Please select a file to print using the FileChooser", "No file selected", JOptionPane.INFORMATION_MESSAGE);
|
370 |
|
|
}
|
371 |
|
|
else if (event.getActionCommand().equals("SERVICE"))
|
372 |
|
|
{ // A new service was selected
|
373 |
|
|
PrintService selected = (PrintService) serviceBox.getSelectedItem();
|
374 |
|
|
|
375 |
|
|
DocFlavor[] flavors = selected.getSupportedDocFlavors();
|
376 |
|
|
docFormat.setListData(flavors);
|
377 |
|
|
attCategories.setListData(selected.getSupportedAttributeCategories());
|
378 |
|
|
}
|
379 |
|
|
}
|
380 |
|
|
|
381 |
|
|
/**
|
382 |
|
|
* Main method.
|
383 |
|
|
* @param args - nothing defined.
|
384 |
|
|
*/
|
385 |
|
|
public static void main(String[] args)
|
386 |
|
|
{
|
387 |
|
|
Demo app = new Demo("GNU Classpath printing demo");
|
388 |
|
|
app.pack();
|
389 |
|
|
app.setVisible(true);
|
390 |
|
|
}
|
391 |
|
|
}
|