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/* This library is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the license, or (at your option) any later version. */ package org.gjt.jclasslib.browser; import org.gjt.jclasslib.browser.config.BrowserConfig; import org.gjt.jclasslib.browser.config.classpath.*; import org.gjt.jclasslib.browser.config.window.WindowState; import org.gjt.jclasslib.mdi.*; import org.gjt.jclasslib.structures.ClassFile; import org.gjt.jclasslib.structures.InvalidByteCodeException; import org.gjt.jclasslib.util.GUIHelper; import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import java.beans.*; import java.io.*; import java.net.URL; import java.util.prefs.Preferences; /** * MDI Frame and entry point for the class file browser application. * * @author <a href="mailto:jclasslib@ej-technologies.com">Ingo Kegel</a> * @version $Revision: 1.10 $ $Date: 2005/01/14 15:01:03 $ */ public class BrowserMDIFrame extends BasicMDIFrame { static final ImageIcon ICON_APPLICATION = loadIcon("jclasslib.gif"); private static final String SETTINGS_WORKSPACE_CHOOSER_PATH = "workspaceChooserPath"; private static final String SETTINGS_CLASSES_CHOOSER_PATH = "classesChooserPath"; private static final ImageIcon ICON_OPEN_CLASS_FILE = loadIcon("open_small.png"); private static final ImageIcon ICON_OPEN_CLASS_FILE_LARGE = loadIcon("open_large.png"); private static final ImageIcon ICON_OPEN_WORKSPACE = loadIcon("open_ws_small.png"); private static final ImageIcon ICON_OPEN_WORKSPACE_LARGE = loadIcon("open_ws_large.png"); private static final ImageIcon ICON_SAVE_WORKSPACE = loadIcon("save_ws_small.png"); private static final ImageIcon ICON_SAVE_WORKSPACE_LARGE = loadIcon("save_ws_large.png"); private static final ImageIcon ICON_BACKWARD = loadIcon("browser_backward_small.png"); private static final ImageIcon ICON_BACKWARD_LARGE = loadIcon("browser_backward_large.png"); private static final ImageIcon ICON_FORWARD = loadIcon("browser_forward_small.png"); private static final ImageIcon ICON_FORWARD_LARGE = loadIcon("browser_forward_large.png"); private static final ImageIcon ICON_RELOAD = loadIcon("reload_small.png"); private static final ImageIcon ICON_RELOAD_LARGE = loadIcon("reload_large.png"); private static final ImageIcon ICON_WEB = loadIcon("web_small.png"); private static final ImageIcon ICON_WEB_LARGE = loadIcon("web_large.png"); private static final ImageIcon ICON_BROWSE_CLASSPATH = loadIcon("tree_small.png"); private static final ImageIcon ICON_BROWSE_CLASSPATH_LARGE = loadIcon("tree_large.png"); private static final ImageIcon ICON_HELP = loadIcon("help.png"); /** * Load an icon from the <tt>images</tt> directory. * * @param fileName the file name for the icon * @return the icon */ public static ImageIcon loadIcon(String fileName) { URL imageURL = BrowserMDIFrame.class.getResource("images/" + fileName); return new ImageIcon(imageURL); } private Action actionOpenClassFile; private Action actionBrowseClasspath; private Action actionSetupClasspath; private Action actionNewWorkspace; private Action actionOpenWorkspace; private Action actionSaveWorkspace; private Action actionSaveWorkspaceAs; private Action actionQuit; private Action actionShowHomepage; private Action actionShowEJT; private Action actionBackward; private Action actionForward; private Action actionReload; private Action actionShowHelp; private Action actionAbout; private File workspaceFile; private String workspaceChooserPath = ""; private String classesChooserPath = ""; private BrowserConfig config; // Visual Components private JFileChooser workspaceFileChooser; private JFileChooser classesFileChooser; private RecentMenu recentMenu; private ClasspathSetupDialog classpathSetupDialog; private ClasspathBrowser classpathBrowser; private ClasspathBrowser jarBrowser; /** * Constructor. */ public BrowserMDIFrame() { doNewWorkspace(); recentMenu = new RecentMenu(this); loadSettings(); setupActions(); setupMenu(); setupFrame(); } /** * Get the current browser config. * * @return the browser config */ public BrowserConfig getConfig() { return config; } public void setVisible(boolean visible) { super.setVisible(visible); if (visible) { desktopManager.showAll(); } } /** * Get the action for displaying the classpath setup dialog. * * @return the action */ public Action getActionSetupClasspath() { return actionSetupClasspath; } /** * Get the action for going backward in the navigation history. * * @return the action */ public Action getActionBackward() { return actionBackward; } /** * Get the action for going forward in the navigation history. * * @return the action */ public Action getActionForward() { return actionForward; } /** * Get the action for reloading the current frame. * * @return the action */ public Action getActionReload() { return actionReload; } /** * Get the last path for the classes file chooser. * * @return the path */ public String getClassesChooserPath() { return classesChooserPath; } /** * Set the last path for the classes file chooser. * * @param classesChooserPath the path */ public void setClassesChooserPath(String classesChooserPath) { this.classesChooserPath = classesChooserPath; } /** * Open a workspace file. * * @param file the file. */ public void openWorkspace(File file) { repaintNow(); setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); closeAllFrames(); try { FileInputStream fos = new FileInputStream(file); XMLDecoder decoder = new XMLDecoder(fos); config = (BrowserConfig)decoder.readObject(); readMDIConfig(config.getMDIConfig()); decoder.close(); recentMenu.addRecentWorkspace(file); if (classpathBrowser != null) { classpathBrowser.setClasspathComponent(config); } } catch (FileNotFoundException e) { GUIHelper.showMessage(this, "An error occured while reading " + file.getPath(), JOptionPane.ERROR_MESSAGE); } finally { setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); } workspaceFile = file; updateTitle(); actionSaveWorkspaceAs.setEnabled(true); } /** * Open an internal frame for a given file. * * @param file the file * @return the created internal frame */ public BrowserInternalFrame openClassFromFile(File file) { BrowserInternalFrame frame = new BrowserInternalFrame(desktopManager, new WindowState(file.getPath())); ClassFile classFile = frame.getClassFile(); if (classFile != null) { try { String className = classFile.getThisClassName(); String[] pathComponents = className.split("/"); File currentDirectory = file.getParentFile(); boolean validClasspathEntry = true; for (int i = pathComponents.length - 2; i >= 0; i--) { String pathComponent = pathComponents[i]; if (!currentDirectory.getName().equals(pathComponent)) { validClasspathEntry = false; break; }