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Java Source | 1998-05-08 | 8.0 KB | 287 lines |
- /*
- * @(#)Stylepad.java 1.4 98/01/21
- *
- * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- */
-
-
- import java.awt.*;
- import java.awt.event.*;
- import java.net.URL;
- import java.util.Locale;
- import java.util.MissingResourceException;
- import java.util.ResourceBundle;
- import com.sun.java.swing.text.*;
- import com.sun.java.swing.*;
-
- import java.io.*;
-
- /**
- * Sample application using JTextPane.
- *
- * @author Timothy Prinzing
- * @version 1.4 01/21/98
- */
- public class Stylepad extends Notepad {
-
- private static ResourceBundle resources;
-
- static {
- try {
- resources = ResourceBundle.getBundle("Stylepad",
- Locale.getDefault());
- } catch (MissingResourceException mre) {
- System.err.println("Stylepad.properties not found");
- System.exit(0);
- }
- }
-
- public Stylepad() {
- super();
- }
-
- public static void main(String[] args) {
- String vers = System.getProperty("java.version");
- if (vers.compareTo("1.1.2") < 0) {
- System.out.println("!!!WARNING: Swing must be run with a " +
- "1.1.2 or higher version VM!!!");
- }
- JFrame frame = new JFrame();
- frame.setTitle(resources.getString("Title"));
- frame.setBackground(Color.lightGray);
- frame.getContentPane().setLayout(new BorderLayout());
- frame.getContentPane().add("Center", new Stylepad());
- frame.addWindowListener(new AppCloser());
- frame.pack();
- frame.setSize(600, 480);
- frame.show();
- }
-
- /**
- * Fetch the list of actions supported by this
- * editor. It is implemented to return the list
- * of actions supported by the superclass
- * augmented with the actions defined locally.
- */
- public Action[] getActions() {
- Action[] defaultActions = {
- new NewAction(),
- new OpenAction(),
- new SaveAction()
- };
- return TextAction.augmentList(super.getActions(), defaultActions);
- }
-
- /**
- * Try and resolve the resource name in the local
- * resource file, and if not found fall back to
- * the superclass resource file.
- */
- protected String getResourceString(String nm) {
- String str;
- try {
- str = this.resources.getString(nm);
- } catch (MissingResourceException mre) {
- str = super.getResourceString(nm);
- }
- return str;
- }
-
- /**
- * Create an editor to represent the given document.
- */
- protected JTextComponent createEditor() {
- StyleContext sc = new StyleContext();
- DefaultStyledDocument doc = new DefaultStyledDocument(sc);
- initDocument(doc, sc);
- return new JTextPane(doc);
- }
-
- /**
- * Create a menu for the app. This is redefined to trap
- * a couple of special entries for now.
- */
- protected JMenu createMenu(String key) {
- if (key.equals("color")) {
- return createColorMenu();
- }
- return super.createMenu(key);
- }
-
-
- // this will soon be replaced
- JMenu createColorMenu() {
- ActionListener a;
- JMenuItem mi;
- JMenu menu = new JMenu(getResourceString("color" + labelSuffix));
- mi = new JMenuItem(resources.getString("Red"));
- mi.setHorizontalTextPosition(JButton.RIGHT);
- mi.setIcon(new ColoredSquare(Color.red));
- a = new StyledEditorKit.ForegroundAction("set-foreground-red", Color.red);
- //a = new ColorAction(se, Color.red);
- mi.addActionListener(a);
- menu.add(mi);
- mi = new JMenuItem(resources.getString("Green"));
- mi.setHorizontalTextPosition(JButton.RIGHT);
- mi.setIcon(new ColoredSquare(Color.green));
- a = new StyledEditorKit.ForegroundAction("set-foreground-green", Color.green);
- //a = new ColorAction(se, Color.green);
- mi.addActionListener(a);
- menu.add(mi);
- mi = new JMenuItem(resources.getString("Blue"));
- mi.setHorizontalTextPosition(JButton.RIGHT);
- mi.setIcon(new ColoredSquare(Color.blue));
- a = new StyledEditorKit.ForegroundAction("set-foreground-blue", Color.blue);
- //a = new ColorAction(se, Color.blue);
- mi.addActionListener(a);
- menu.add(mi);
-
- return menu;
- }
-
- void initDocument(DefaultStyledDocument doc, StyleContext sc) {
- Wonderland w = new Wonderland(doc, sc);
- Icon alice = new ImageIcon(resources.getString("aliceGif"));
- w.loadDocument();
- }
-
- JComboBox createFamilyChoices() {
- JComboBox b = new JComboBox();
- String[] fonts = getToolkit().getFontList();
- for (int i = 0; i < fonts.length; i++) {
- b.addItem(fonts[i]);
- }
- return b;
- }
-
- /**
- * Trys to read a file which is assumed to be a
- * serialization of a document.
- */
- class OpenAction extends AbstractAction {
-
- OpenAction() {
- super(openAction);
- }
-
- public void actionPerformed(ActionEvent e) {
- Frame frame = getFrame();
- if (fileDialog == null) {
- fileDialog = new FileDialog(frame);
- }
- fileDialog.setMode(FileDialog.LOAD);
- fileDialog.show();
-
- String file = fileDialog.getFile();
- if (file == null) {
- return;
- }
- String directory = fileDialog.getDirectory();
- File f = new File(directory, file);
- if (f.exists()) {
- try {
- FileInputStream fin = new FileInputStream(f);
- ObjectInputStream istrm = new ObjectInputStream(fin);
- Document doc = (Document) istrm.readObject();
- getEditor().setDocument(doc);
- frame.setTitle(file);
- validate();
- } catch (IOException io) {
- // should put in status panel
- System.err.println("IOException: " + io.getMessage());
- } catch (ClassNotFoundException cnf) {
- // should put in status panel
- System.err.println("Class not found: " + cnf.getMessage());
- }
- } else {
- // should put in status panel
- System.err.println("No such file: " + f);
- }
- }
- }
-
- /**
- * Trys to write the document as a serialization.
- */
- class SaveAction extends AbstractAction {
-
- SaveAction() {
- super(saveAction);
- }
-
- public void actionPerformed(ActionEvent e) {
- Frame frame = getFrame();
- if (fileDialog == null) {
- fileDialog = new FileDialog(frame);
- }
- fileDialog.setMode(FileDialog.SAVE);
- fileDialog.show();
- String file = fileDialog.getFile();
- if (file == null) {
- return;
- }
- String directory = fileDialog.getDirectory();
- File f = new File(directory, file);
- try {
- FileOutputStream fstrm = new FileOutputStream(f);
- ObjectOutput ostrm = new ObjectOutputStream(fstrm);
- ostrm.writeObject(getEditor().getDocument());
- ostrm.flush();
- } catch (IOException io) {
- // should put in status panel
- System.err.println("IOException: " + io.getMessage());
- }
- }
- }
-
- /**
- * Creates an empty document.
- */
- class NewAction extends AbstractAction {
-
- NewAction() {
- super(newAction);
- }
-
- public void actionPerformed(ActionEvent e) {
- if(getEditor().getDocument() != null)
- getEditor().getDocument().removeUndoableEditListener
- (Stylepad.this);
- getEditor().setDocument(new DefaultStyledDocument());
- getEditor().getDocument().addUndoableEditListener(Stylepad.this);
- validate();
- }
- }
-
- class ColoredSquare implements Icon {
- Color color;
- public ColoredSquare(Color c) {
- this.color = c;
- }
-
- public void paintIcon(Component c, Graphics g, int x, int y) {
- Color oldColor = g.getColor();
- g.setColor(color);
- g.fill3DRect(x,y,getIconWidth(), getIconHeight(), true);
- g.setColor(oldColor);
- }
- public int getIconWidth() { return 12; }
- public int getIconHeight() { return 12; }
-
- }
- }
-