diff options
Diffstat (limited to 'logo/src/xlogo/gui/welcome/WelcomeScreen.java')
| -rw-r--r-- | logo/src/xlogo/gui/welcome/WelcomeScreen.java | 447 |
1 files changed, 233 insertions, 214 deletions
diff --git a/logo/src/xlogo/gui/welcome/WelcomeScreen.java b/logo/src/xlogo/gui/welcome/WelcomeScreen.java index 3a67e2d..890e806 100644 --- a/logo/src/xlogo/gui/welcome/WelcomeScreen.java +++ b/logo/src/xlogo/gui/welcome/WelcomeScreen.java @@ -1,31 +1,27 @@ -/* XLogo4Schools - A Logo Interpreter specialized for use in schools, based on XLogo by Lo�c Le Coq +/* + * XLogo4Schools - A Logo Interpreter specialized for use in schools, based on XLogo by Loic Le Coq * Copyright (C) 2013 Marko Zivkovic - * * Contact Information: marko88zivkovic at gmail dot com - * - * This program 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. This program is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General - * Public License for more details. You should have received a copy of the - * GNU General Public License along with this program; if not, write to the Free - * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * This program 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. This program is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General + * Public License for more details. You should have received a copy of the + * GNU General Public License along with this program; if not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. - * - * * This Java source code belongs to XLogo4Schools, written by Marko Zivkovic - * during his Bachelor thesis at the computer science department of ETH Z�rich, + * during his Bachelor thesis at the computer science department of ETH Zurich, * in the year 2013 and/or during future work. - * - * It is a reengineered version of XLogo written by Lo�c Le Coq, published + * It is a reengineered version of XLogo written by Loic Le Coq, published * under the GPL License at http://xlogo.tuxfamily.org/ - * * Contents of this file were entirely written by Marko Zivkovic */ package xlogo.gui.welcome; + import java.awt.event.*; import javax.swing.*; @@ -55,59 +51,58 @@ import xlogo.Application; * @author Marko */ public class WelcomeScreen extends X4SFrame { - - JFrame frame; - private JLabel label; + JFrame frame; - private JLabel workspace; - private JLabel username; - - private JComboBox workspaceSelection; - private JComboBox userSelection; - - private JButton openWorkspaceSettingsBtn; - private JButton enterButton; + private JLabel label; - private JButton infoButton; - private JButton gplButton; + private JLabel workspace; + private JLabel username; - private JPanel panel; - private GroupLayout groupLayout; + private JComboBox workspaceSelection; + private JComboBox userSelection; - private ActionListener onApplicationEnterListener; - - private WorkspaceSettings workspaceSettings; + private JButton openWorkspaceSettingsBtn; + private JButton enterButton; + + private JButton infoButton; + private JButton gplButton; + + private JPanel panel; + private GroupLayout groupLayout; + + private ActionListener onApplicationEnterListener; + private ActionListener onWorkspaceListChangeListener; + private ActionListener onEnterWorkspaceListener; + + private WorkspaceSettings workspaceSettings; /** * * @param listener to be informed when the user is ready to enter the application */ - public WelcomeScreen(ActionListener onApplicationEnterListener){ + public WelcomeScreen(ActionListener onApplicationEnterListener) { this.onApplicationEnterListener = onApplicationEnterListener; } - + @Override - public JFrame getFrame() - { + public JFrame getFrame() { return frame; } - + @Override - protected void initComponent() - { + protected void initComponent() { frame = new JFrame(){ private static final long serialVersionUID = -6730403281163492211L; - + @Override - public void dispose() - { + public void dispose() { try { WSManager.getInstance().getGlobalConfigInstance().store(); - } catch (IOException e) { - DialogMessenger.getInstance().dispatchMessage( - translate("ws.error.title"), + } + catch (IOException e) { + DialogMessenger.getInstance().dispatchMessage(translate("ws.error.title"), translate("storage.could.not.store.gc")); } @@ -118,14 +113,13 @@ public class WelcomeScreen extends X4SFrame { frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setIconImage(Toolkit.getDefaultToolkit().createImage(Utils.class.getResource("Icon_x4s.png"))); frame.setTitle("XLogo4Schools"); - - + workspace = new JLabel("Workspace"); username = new JLabel("User"); - + workspaceSelection = new JComboBox(); userSelection = new JComboBox(); - + openWorkspaceSettingsBtn = new JButton("Settings"); enterButton = new JButton("Enter"); @@ -133,31 +127,19 @@ public class WelcomeScreen extends X4SFrame { gplButton = new JButton(); panel = new JPanel(); - + // The XLogo4Schools logo //ImageIcon logo = Utils.dimensionne_image("Logo_xlogo4schools.png", this); infoButton.setIcon(createImageIcon("info_icon.png", "Info", 40, 40)); gplButton.setIcon(createImageIcon("gnu_gpl.png", "GPL", 40, 40)); label = new JLabel(createImageIcon("Logo_xlogo4schools.png", "XLogo4Schools", 250, 40)); - initWorkspaceListModel(); + populateWorkspaceList(); populateUserList(); - - workspaceSettings = new WorkspaceSettings(new ActionListener() { - public void actionPerformed(ActionEvent arg0) { - // When the window is closed, repopulate workspace and user lists, update language, enable this window again. - setMessageManagerParent(); - setText(); - populateWorkspaceList(); - populateUserList(); - frame.setEnabled(true); - } - }); } - + @Override - protected void layoutComponent() - { + protected void layoutComponent() { frame.getContentPane().add(panel); frame.setResizable(false); @@ -175,7 +157,7 @@ public class WelcomeScreen extends X4SFrame { panel.add(enterButton); panel.add(infoButton); panel.add(gplButton); - + workspaceSelection.setMinimumSize(new Dimension(200, 25)); userSelection.setMinimumSize(new Dimension(200, 25)); workspaceSelection.setMaximumSize(new Dimension(200, 25)); @@ -187,55 +169,82 @@ public class WelcomeScreen extends X4SFrame { groupLayout.setAutoCreateGaps(true); groupLayout.setAutoCreateContainerGaps(true); - groupLayout.setVerticalGroup( - groupLayout.createSequentialGroup() - .addGroup(groupLayout.createParallelGroup() - .addComponent(gplButton) - .addComponent(infoButton) - .addComponent(label)) - .addGroup(groupLayout.createParallelGroup() - .addComponent(workspace) - .addComponent(workspaceSelection) - .addComponent(openWorkspaceSettingsBtn)) - .addGroup(groupLayout.createParallelGroup() - .addComponent(username) - .addComponent(userSelection) - .addComponent(enterButton)) - ); - - groupLayout.setHorizontalGroup( - groupLayout.createParallelGroup() - .addGroup( - groupLayout.createSequentialGroup() - .addComponent(label) - .addComponent(gplButton) - .addComponent(infoButton)) - .addGroup( - groupLayout.createSequentialGroup() - .addGroup(groupLayout.createParallelGroup() - .addComponent(workspace) - .addComponent(username)) - .addGroup(groupLayout.createParallelGroup() - .addComponent(workspaceSelection) - .addComponent(userSelection)) - .addGroup(groupLayout.createParallelGroup() - .addComponent(openWorkspaceSettingsBtn) - .addComponent(enterButton)) - ) - ); + groupLayout.setVerticalGroup(groupLayout + .createSequentialGroup() + .addGroup( + groupLayout.createParallelGroup().addComponent(gplButton).addComponent(infoButton) + .addComponent(label)) + .addGroup( + groupLayout.createParallelGroup().addComponent(workspace).addComponent(workspaceSelection) + .addComponent(openWorkspaceSettingsBtn)) + .addGroup( + groupLayout.createParallelGroup().addComponent(username).addComponent(userSelection) + .addComponent(enterButton))); + + groupLayout.setHorizontalGroup(groupLayout + .createParallelGroup() + .addGroup( + groupLayout.createSequentialGroup().addComponent(label).addComponent(gplButton) + .addComponent(infoButton)) + .addGroup( + groupLayout + .createSequentialGroup() + .addGroup( + groupLayout.createParallelGroup().addComponent(workspace) + .addComponent(username)) + .addGroup( + groupLayout.createParallelGroup().addComponent(workspaceSelection) + .addComponent(userSelection)) + .addGroup( + groupLayout.createParallelGroup().addComponent(openWorkspaceSettingsBtn) + .addComponent(enterButton)))); } - + + private boolean ignoreGuiEvents = false; + @Override - protected void initEventListeners() - { - workspaceSelection.addItemListener(new ItemListener() { + protected void initEventListeners() { + + GlobalConfig gc = WSManager.getGlobalConfig(); + + onEnterWorkspaceListener = new ActionListener(){ + + @Override + public void actionPerformed(ActionEvent e) { + ignoreGuiEvents = true; + populateWorkspaceList(); + populateUserList(); + ignoreGuiEvents = false; + + } + }; + + gc.addEnterWorkspaceListener(onEnterWorkspaceListener); + + onWorkspaceListChangeListener = new ActionListener(){ + + @Override + public void actionPerformed(ActionEvent e) { + ignoreGuiEvents = true; + populateWorkspaceList(); + populateUserList(); + ignoreGuiEvents = false; + } + }; + + WSManager.getGlobalConfig().addWorkspaceListChangeListener(onWorkspaceListChangeListener); + + workspaceSelection.addItemListener(new ItemListener(){ public void itemStateChanged(ItemEvent e) { + if (ignoreGuiEvents) { + return; + } String workspace = (String) workspaceSelection.getSelectedItem(); - enterWorkspace(workspace); + enterWorkspace(workspace); } }); // Open workspace settings button - openWorkspaceSettingsBtn.addActionListener(new ActionListener() { + openWorkspaceSettingsBtn.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { showWorkspaceSettings(); } @@ -243,18 +252,26 @@ public class WelcomeScreen extends X4SFrame { // Select user combo box final JTextComponent tc = (JTextComponent) userSelection.getEditor().getEditorComponent(); - tc.getDocument().addDocumentListener(new DocumentListener() { - public void removeUpdate(DocumentEvent arg0) { enableOrDisableEnter(); } - public void insertUpdate(DocumentEvent arg0) { enableOrDisableEnter(); } - public void changedUpdate(DocumentEvent arg0) { enableOrDisableEnter(); } - private void enableOrDisableEnter() - { + tc.getDocument().addDocumentListener(new DocumentListener(){ + public void removeUpdate(DocumentEvent arg0) { + enableOrDisableEnter(); + } + + public void insertUpdate(DocumentEvent arg0) { + enableOrDisableEnter(); + } + + public void changedUpdate(DocumentEvent arg0) { + enableOrDisableEnter(); + } + + private void enableOrDisableEnter() { String username = tc.getText(); enterButton.setEnabled(username != null && username.length() != 0); } }); - userSelection.addActionListener(new ActionListener() { + userSelection.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { String username = (String) userSelection.getSelectedItem(); enterButton.setEnabled(username != null && username.length() != 0); @@ -262,58 +279,53 @@ public class WelcomeScreen extends X4SFrame { }); // Enter user space button - enterButton.addActionListener(new ActionListener() { + enterButton.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent arg0) { - enterApplication(); + new Thread(new Runnable(){ + @Override + public void run() { + enterApplication(); + } + }).start(); } }); gplButton.addActionListener(new ActionListener(){ - public void actionPerformed(ActionEvent e) - { - showGPL(); + public void actionPerformed(ActionEvent e) { + new Thread(new Runnable(){ + @Override + public void run() { + showGPL(); + } + }).start(); } }); infoButton.addActionListener(new ActionListener(){ - public void actionPerformed(ActionEvent e) - { - showInfo(); + public void actionPerformed(ActionEvent arg0) { + new Thread(new Runnable(){ + @Override + public void run() { + showInfo(); + } + }).start(); } }); } - private void initWorkspaceListModel() - { - WSManager wsManager = WSManager.getInstance(); - try - { - String lastUsedWorkspace = wsManager.getGlobalConfigInstance().getLastUsedWorkspace(); - wsManager.enterWorkspace(lastUsedWorkspace); - populateWorkspaceList(); - } - catch (IOException e) - { - DialogMessenger - .getInstance() - .dispatchMessage( - "I'm sorry, something very bad happened", - "Please report this error message. You could try to delete the file X4S_GlobalConfig from your home directory, " - + "and restart XLogo4Schools. You will have to import your Workspaces again.\n\n" - + e.toString()); - } - } - - private void populateWorkspaceList() - { + private void populateWorkspaceList() { GlobalConfig gc = WSManager.getInstance().getGlobalConfigInstance(); String[] workspaces = gc.getAllWorkspaces(); workspaceSelection.setModel(new DefaultComboBoxModel(workspaces)); + selectCurrentWorkspace(); + } + + private void selectCurrentWorkspace(){ + GlobalConfig gc = WSManager.getInstance().getGlobalConfigInstance(); workspaceSelection.setSelectedItem(gc.getLastUsedWorkspace()); } - private void populateUserList() - { + private void populateUserList() { WorkspaceConfig wc = WSManager.getInstance().getWorkspaceConfigInstance(); String[] users = wc.getUserList(); userSelection.setModel(new DefaultComboBoxModel(users)); @@ -327,90 +339,107 @@ public class WelcomeScreen extends X4SFrame { try { WSManager.getInstance().enterWorkspace(workspaceName); populateUserList(); - } catch (IOException e) { - DialogMessenger.getInstance().dispatchMessage( - translate("ws.error.title"), - translate("ws.settings.could.not.enter.wp") + "\n\n" + e.toString()); + } + catch (IOException e) { + DialogMessenger.getInstance().dispatchMessage(translate("ws.error.title"), + translate("ws.settings.could.not.enter.wp") + "\n\n" + e.toString()); } } - - private synchronized void showWorkspaceSettings() - { - Runnable runnable = new Runnable() { + + private synchronized void showWorkspaceSettings() { + Runnable runnable = new Runnable(){ public void run() { String authentification = null; GlobalConfig gc = WSManager.getInstance().getGlobalConfigInstance(); - if (gc.isPasswordRequired()) - { + if (gc.isPasswordRequired()) { authentification = showPasswordPopup(); if (authentification == null) return; // user cancelled the process - - if(!gc.authenticate(new String(authentification))) - { + + if (!gc.authenticate(new String(authentification))) { // Could not authenticate => cancel - DialogMessenger.getInstance().dispatchMessage( - translate("i.am.sorry"), + DialogMessenger.getInstance().dispatchMessage(translate("i.am.sorry"), translate("welcome.wrong.pw")); return; } } frame.setEnabled(false); - workspaceSettings.showFrame(authentification); + getWorkspaceSettings().showFrame(authentification); } }; new Thread(runnable).start(); } + private synchronized WorkspaceSettings getWorkspaceSettings() { + if (workspaceSettings == null) { + workspaceSettings = new WorkspaceSettings(new ActionListener(){ + public void actionPerformed(ActionEvent arg0) { + // When the window is closed, repopulate workspace and user lists, update language, enable this window again. + setMessageManagerParent(); + setText(); + populateUserList(); + frame.setEnabled(true); + } + }); + } + return workspaceSettings; + } + protected String showPasswordPopup() { JPasswordField passwordField = new JPasswordField(); int option = JOptionPane.showConfirmDialog(frame, passwordField, translate("welcome.enter.pw"), JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE); - - if (option == JOptionPane.OK_OPTION) { - return new String(passwordField.getPassword()); - } + + if (option == JOptionPane.OK_OPTION) { return new String(passwordField.getPassword()); } return null; } - - public void enterApplication() - { + + public void enterApplication() { String username = (String) userSelection.getSelectedItem(); if ((username == null) || (username.length() == 0)) return; // this should not happen since the enter button is disabled - - if(!Storable.checkLegalName(username)) - { - DialogMessenger.getInstance().dispatchError( - translate(MessageKeys.NAME_ERROR_TITLE), + + if (!Storable.checkLegalName(username)) { + DialogMessenger.getInstance().dispatchError(translate(MessageKeys.NAME_ERROR_TITLE), translate(MessageKeys.ILLEGAL_NAME)); return; } - WorkspaceConfig wc = WSManager.getInstance().getWorkspaceConfigInstance(); if (!wc.existsUserLogically(username)) wc.createUser(username); try { WSManager.getInstance().enterUserSpace(username); - } catch (IOException e) { - DialogMessenger.getInstance().dispatchMessage( - translate("ws.error.title"), - translate("welcome.could.not.enter.user") + e.toString()); + } + catch (IOException e) { + DialogMessenger.getInstance().dispatchMessage(translate("ws.error.title"), + translate("welcome.could.not.enter.user") + "\n" + e.toString()); return; } - - workspaceSettings.stopEventListeners(); + cleanupAfterEnter(); + } + + private void cleanupAfterEnter() { + if (workspaceSettings != null){ + workspaceSettings.stopEventListeners(); + // TODO remove each reference to workspace settings + workspaceSettings = null; + } + WSManager.getGlobalConfig().removeEnterWorkspaceListener(onEnterWorkspaceListener); + WSManager.getGlobalConfig().removeWorkspaceListChangeListener(onWorkspaceListChangeListener); + try { + WSManager.getWorkspaceConfig().store(); + } + catch (IOException ignore) { } onApplicationEnterListener.actionPerformed(new ActionEvent(this, 0, null)); - System.gc(); } - public void setText() - { + @Override + public void setText() { workspace.setText(translate("welcome.workspace")); username.setText(translate("welcome.username")); openWorkspaceSettingsBtn.setText(translate("welcome.settings")); @@ -423,8 +452,7 @@ public class WelcomeScreen extends X4SFrame { * Like in XLogo, almost unmodified. * It is displayed in the language of the currently selected workspace. */ - private void showGPL() - { + private void showGPL() { JFrame frame = new JFrame(translate("menu.help.licence")); frame.setIconImage(Toolkit.getDefaultToolkit().createImage(WebPage.class.getResource("Logo_xlogo4schools.png"))); frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); @@ -435,21 +463,17 @@ public class WelcomeScreen extends X4SFrame { String langCode = WSManager.getWorkspaceConfig().getLanguage().getLanguageCode(); String path = "gpl/gpl-" + langCode + ".html"; - + java.net.URL helpURL = Application.class.getResource(path); - if (helpURL != null) - { - try - { + if (helpURL != null) { + try { editorPane.setPage(helpURL); } - catch (IOException e1) - { + catch (IOException e1) { System.err.println("Attempted to read a bad URL: " + helpURL); } } - else - { + else { System.err.println("Couldn't find file: " + path); } @@ -461,9 +485,8 @@ public class WelcomeScreen extends X4SFrame { frame.getContentPane().add(editorScrollPane); frame.setVisible(true); } - - private void showInfo() - { + + private void showInfo() { JFrame frame = new JFrame(translate("welcome.info.title")); frame.setIconImage(Toolkit.getDefaultToolkit().createImage(WebPage.class.getResource("Icon_x4s.png"))); frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); @@ -472,21 +495,17 @@ public class WelcomeScreen extends X4SFrame { editorPane.setEditable(false); String path = "gpl/x4s_info.html"; - + java.net.URL helpURL = Application.class.getResource(path); - if (helpURL != null) - { - try - { + if (helpURL != null) { + try { editorPane.setPage(helpURL); } - catch (IOException e1) - { + catch (IOException e1) { System.err.println("Attempted to read a bad URL: " + helpURL); } } - else - { + else { System.err.println("Couldn't find file: " + path); } @@ -507,4 +526,4 @@ public class WelcomeScreen extends X4SFrame { Image img = Toolkit.getDefaultToolkit().getImage(Utils.class.getResource(path)); return new ImageIcon(img.getScaledInstance(width, heigth, Image.SCALE_SMOOTH)); } -}
\ No newline at end of file +} |