plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleInstallerDialog.java - oomph/org.eclipse.oomph - Git at Google

 /*
  * Copyright (c) 2014 Eike Stepper (Berlin, Germany) and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *    Eike Stepper - initial API and implementation
  *    Andreas Scharf - [466264] Enhance UX in simple installer
  */
 package org.eclipse.oomph.setup.internal.installer;

 import org.eclipse.oomph.internal.ui.FlatButton;
 import org.eclipse.oomph.internal.ui.ImageHoverButton;
 import org.eclipse.oomph.p2.core.BundlePool;
 import org.eclipse.oomph.p2.core.P2Util;
 import org.eclipse.oomph.p2.core.ProfileTransaction.Resolution;
 import org.eclipse.oomph.p2.internal.ui.AgentManagerDialog;
 import org.eclipse.oomph.setup.Product;
 import org.eclipse.oomph.setup.User;
 import org.eclipse.oomph.setup.internal.core.util.ECFURIHandlerImpl;
 import org.eclipse.oomph.setup.internal.installer.MessageOverlay.ControlRelocator;
 import org.eclipse.oomph.setup.ui.SetupUIPlugin;
 import org.eclipse.oomph.setup.ui.wizards.SetupWizard.Installer;
 import org.eclipse.oomph.ui.ErrorDialog;
 import org.eclipse.oomph.ui.StackComposite;
 import org.eclipse.oomph.ui.UIUtil;
 import org.eclipse.oomph.util.ExceptionHandler;
 import org.eclipse.oomph.util.IOExceptionWithCause;
 import org.eclipse.oomph.util.OS;
 import org.eclipse.oomph.util.OomphPlugin.BundleFile;
 import org.eclipse.oomph.util.OomphPlugin.Preference;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.StackLayout;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;

 import java.io.File;
 import java.io.IOException;
 import java.net.URI;
 import java.util.Stack;

 /**
  * @author Eike Stepper
  */
 public final class SimpleInstallerDialog extends AbstractSimpleDialog implements InstallerUI
 {
   private static final int INSTALLER_WIDTH = 523;

   private static final int INSTALLER_HEIGHT = 632;

   private static final Preference PREF_POOL_ENABLED = SetupInstallerPlugin.INSTANCE.getConfigurationPreference("poolEnabled");

   private static Font defaultFont;

   private static String css;

   private static String pageTemplate;

   private static String productTemplate;

   private final Installer installer;

   private final Stack<SimpleInstallerPage> pageStack = new Stack<SimpleInstallerPage>();

   private StackComposite stackComposite;

   private Composite stack;

   private StackLayout stackLayout;

   private SimpleProductPage productPage;

   private SimpleVariablePage variablePage;

   private SimpleReadmePage readmePage;

   private SimpleInstallationLogPage installationLogPage;

   private SimpleKeepInstallerPage keepInstallerPage;

   private SimpleInstallerMenu installerMenu;

   private SimpleInstallerMenu.InstallerMenuItem updateInstallerItem;

   private SimpleInstallerMenuButton menuButton;

   private boolean poolEnabled;

   private BundlePool pool;

   private Resolution updateResolution;

   private MessageOverlay currentMessage;

   public SimpleInstallerDialog(Display display, final Installer installer)
   {
     super(display, OS.INSTANCE.isMac() ? SWT.TOOL : SWT.NO_TRIM, INSTALLER_WIDTH, INSTALLER_HEIGHT);
     this.installer = installer;
   }

   @Override
   protected void createUI(Composite titleComposite)
   {
     poolEnabled = PREF_POOL_ENABLED.get(true);
     enablePool(poolEnabled);

     Composite exitMenuButtonContainer = new Composite(titleComposite, SWT.NONE);
     exitMenuButtonContainer.setLayout(UIUtil.createGridLayout(1));
     exitMenuButtonContainer.setLayoutData(GridDataFactory.swtDefaults().grab(false, true).align(SWT.CENTER, SWT.FILL).create());

     FlatButton exitButton = new ImageHoverButton(exitMenuButtonContainer, SWT.PUSH, SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exit.png"),
         SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exit_hover.png"));
     exitButton.setShowButtonDownState(false);
     exitButton.setLayoutData(GridDataFactory.swtDefaults().align(SWT.CENTER, SWT.BEGINNING).create());
     exitButton.setToolTipText("Exit");
     exitButton.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         exitSelected();
       }
     });

     menuButton = new SimpleInstallerMenuButton(exitMenuButtonContainer);
     menuButton.setLayoutData(GridDataFactory.swtDefaults().grab(false, true).align(SWT.CENTER, SWT.BEGINNING).indent(11, 0).create());
     menuButton.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         toggleMenu();
       }
     });

     stackLayout = new StackLayout();

     stack = new Composite(this, SWT.NONE);
     stack.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
     stack.setLayout(stackLayout);

     productPage = new SimpleProductPage(stack, this);
     variablePage = new SimpleVariablePage(stack, this);
     readmePage = new SimpleReadmePage(stack, this);
     installationLogPage = new SimpleInstallationLogPage(stack, this);
     keepInstallerPage = new SimpleKeepInstallerPage(stack, this);

     switchToPage(productPage);

     Display display = getDisplay();

     Thread updateSearcher = new UpdateSearcher(display);
     updateSearcher.start();

     display.timerExec(500, new Runnable()
     {
       public void run()
       {
         installer.getResourceSet().getLoadOptions().put(ECFURIHandlerImpl.OPTION_CACHE_HANDLING, ECFURIHandlerImpl.CacheHandling.CACHE_WITHOUT_ETAG_CHECKING);
         installer.loadIndex();
       }
     });

     // Initialize menu
     getInstallerMenu();

     updateAvailable(false);
   }

   private void toggleMenu()
   {
     getInstallerMenu().setVisible(!getInstallerMenu().isVisible());
   }

   public Installer getInstaller()
   {
     return installer;
   }

   public void setButtonsEnabled(boolean enabled)
   {
     menuButton.setEnabled(enabled);
   }

   private void enablePool(boolean poolEnabled)
   {
     if (this.poolEnabled != poolEnabled)
     {
       this.poolEnabled = poolEnabled;
       PREF_POOL_ENABLED.set(poolEnabled);
     }

     if (poolEnabled)
     {
       pool = P2Util.getAgentManager().getDefaultBundlePool(SetupUIPlugin.INSTANCE.getSymbolicName());
     }
     else
     {
       pool = null;
     }

     // FIXME: Enabled/Disabled state for bundle pooling?
     // if (poolButton != null)
     // {
     // poolButton.setImage(getBundlePoolImage());
     // }
   }

   public BundlePool getPool()
   {
     return pool;
   }

   private SimpleInstallerMenu getInstallerMenu()
   {
     if (installerMenu == null)
     {
       installerMenu = createInstallerMenu();
     }

     return installerMenu;
   }

   private SimpleInstallerMenu createInstallerMenu()
   {
     SimpleInstallerMenu menu = new SimpleInstallerMenu(this);

     SimpleInstallerMenu.InstallerMenuItem networkConnectionsItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     networkConnectionsItem.setText(NetworkConnectionsDialog.TITLE.toUpperCase() + "...");
     networkConnectionsItem.setToolTipText(NetworkConnectionsDialog.DESCRIPTION);
     networkConnectionsItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         Dialog dialog = new NetworkConnectionsDialog(SimpleInstallerDialog.this);
         dialog.open();
       }
     });

     SimpleInstallerMenu.InstallerMenuItem bundlePoolsItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     bundlePoolsItem.setText("BUNDLE POOLS...");
     bundlePoolsItem.setToolTipText(AgentManagerDialog.MESSAGE);
     bundlePoolsItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         manageBundlePools();
       }
     });

     SimpleInstallerMenu.InstallerMenuItem ssh2KeysItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     ssh2KeysItem.setText(NetworkSSH2Dialog.TITLE.toUpperCase() + "...");
     ssh2KeysItem.setToolTipText(NetworkSSH2Dialog.DESCRIPTION);
     ssh2KeysItem.setDividerVisible(false);
     ssh2KeysItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         Dialog dialog = new NetworkSSH2Dialog(SimpleInstallerDialog.this);
         dialog.open();
       }
     });

     Label spacer1 = new Label(menu, SWT.NONE);
     spacer1.setLayoutData(GridDataFactory.swtDefaults().hint(SWT.DEFAULT, 46).create());

     updateInstallerItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     updateInstallerItem.setDefaultImage(SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exclamation_circle.png"));
     updateInstallerItem.setHoverImage(SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exclamation_circle_hover.png"));
     updateInstallerItem.setText("UPDATE");
     updateInstallerItem.setToolTipText("Install available updates");
     updateInstallerItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         Runnable successRunnable = new Runnable()
         {
           public void run()
           {
             setReturnCode(RETURN_RESTART);
             exitSelected();
           }
         };

         ExceptionHandler<CoreException> exceptionHandler = new ExceptionHandler<CoreException>()
         {
           public void handleException(CoreException ex)
           {
             ErrorDialog.open(ex);
           }
         };

         SelfUpdate.update(getShell(), updateResolution, successRunnable, exceptionHandler, null);
       }
     });

     SimpleInstallerMenu.InstallerMenuItem advancedModeItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     advancedModeItem.setText("ADVANCED");
     advancedModeItem.setToolTipText("Switch to advanced mode");
     advancedModeItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         setReturnCode(RETURN_ADVANCED);
         exitSelected();
       }
     });

     SimpleInstallerMenu.InstallerMenuItem aboutItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     aboutItem.setText("ABOUT");
     aboutItem.setToolTipText("Show information about this installer");
     aboutItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         showAbout();
       }
     });

     SimpleInstallerMenu.InstallerMenuItem exitItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
     exitItem.setText("EXIT");
     exitItem.setDividerVisible(false);
     exitItem.addSelectionListener(new SelectionAdapter()
     {
       @Override
       public void widgetSelected(SelectionEvent e)
       {
         exitSelected();
       }
     });

     return menu;
   }

   private void updateAvailable(boolean available)
   {
     menuButton.setNotificationVisible(available);
     updateInstallerItem.setVisible(available);
     installerMenu.layout();
   }

   private void manageBundlePools()
   {
     final boolean[] enabled = { poolEnabled };

     AgentManagerDialog dialog = new AgentManagerDialog(getShell())
     {
       @Override
       protected void createUI(Composite parent)
       {
         final Button enabledButton = new Button(parent, SWT.CHECK);
         enabledButton.setText("Enable shared bundle pool");
         enabledButton.setSelection(poolEnabled);
         enabledButton.addSelectionListener(new SelectionAdapter()
         {
           @Override
           public void widgetSelected(SelectionEvent e)
           {
             enabled[0] = enabledButton.getSelection();
             getComposite().setEnabled(enabled[0]);
           }
         });

         new Label(parent, SWT.NONE);
         super.createUI(parent);
         getComposite().setEnabled(poolEnabled);
       }

       @Override
       protected void createButtonsForButtonBar(Composite parent)
       {
         super.createButtonsForButtonBar(parent);
         Button button = getButton(IDialogConstants.OK_ID);
         if (button != null)
         {
           button.setEnabled(false);
         }
       }

       @Override
       protected void elementChanged(Object element)
       {
         Button button = getButton(IDialogConstants.OK_ID);
         if (button != null)
         {
           button.setEnabled(element instanceof BundlePool);
         }
       }
     };

     if (pool != null)
     {
       dialog.setSelectedElement(pool);
     }

     if (dialog.open() == AgentManagerDialog.OK)
     {
       enablePool(enabled[0]);
       pool = (BundlePool)dialog.getSelectedElement();
     }
   }

   public boolean refreshJREs()
   {
     if (variablePage != null)
     {
       return variablePage.refreshJREs();
     }

     return false;
   }

   public void showAbout()
   {
     int xxx;
     // TODO Fix version in about dialog

     String version = "he.ll.o";
     new AboutDialog(getShell(), version).open();
   }

   public void productSelected(Product product)
   {
     variablePage.setProduct(product);
     switchToPage(variablePage);
   }

   public void backSelected()
   {
     if (pageStack.size() <= 1)
     {
       return;
     }

     UIUtil.asyncExec(new Runnable()
     {
       public void run()
       {
         SimpleInstallerPage currentPage = pageStack.pop();

         try
         {
           currentPage.aboutToHide();
         }
         catch (Exception ex)
         {
           SetupInstallerPlugin.INSTANCE.log(ex);
         }

         SimpleInstallerPage previousPage = pageStack.peek();

         stackLayout.topControl = previousPage;
         stack.layout();

         previousPage.aboutToShow();
         previousPage.setFocus();
       }
     });
   }

   public void showMessage(String message, MessageOverlay.Type type, boolean dismissAutomatically)
   {
     showMessage(message, type, dismissAutomatically, null);
   }

   public void showMessage(String message, MessageOverlay.Type type, boolean dismissAutomatically, Runnable action)
   {
     clearMessage();

     currentMessage = new MessageOverlay(this, type, new ControlRelocator()
     {
       public void relocate(Control control)
       {
         Rectangle bounds = SimpleInstallerDialog.this.getBounds();
         int x = bounds.x + 5;
         int y = bounds.y + 24;

         int width = bounds.width - 9;

         // Depending on the current page, the height varies
         int height = pageStack.peek() instanceof SimpleProductPage ? 87 : 70;
         control.setBounds(x, y, width, height);
       }
     }, dismissAutomatically, action);

     currentMessage.setMessage(message);
     currentMessage.setVisible(true);
   }

   public void clearMessage()
   {
     if (currentMessage != null && !currentMessage.isDisposed())
     {
       if (!currentMessage.isDisposed())
       {
         currentMessage.close();
       }

       currentMessage = null;
     }
   }

   public void showReadme(URI readmeURI)
   {
     readmePage.setReadmeURI(readmeURI);
     switchToPage(readmePage);
   }

   public void showInstallationLog(File installationLogFile)
   {
     installationLogPage.setInstallationLogFile(installationLogFile);
     switchToPage(installationLogPage);
   }

   public void showKeepInstaller()
   {
     switchToPage(keepInstallerPage);
   }

   private void switchToPage(final SimpleInstallerPage page)
   {
     if (page != null)
     {
       final SimpleInstallerPage currentPage = !pageStack.isEmpty() ? pageStack.peek() : null;
       if (currentPage == null || currentPage != page)
       {
         pageStack.push(page);

         UIUtil.asyncExec(new Runnable()
         {
           public void run()
           {
             if (currentPage != null)
             {
               currentPage.aboutToHide();
             }

             stackLayout.topControl = page;
             stack.layout();

             page.aboutToShow();
             page.setFocus();
           }
         });
       }
     }
   }

   static Font getDefaultFont()
   {
     if (defaultFont == null)
     {
       defaultFont = JFaceResources.getFont(SetupInstallerPlugin.FONT_LABEL_DEFAULT);
       if (defaultFont == null)
       {
         defaultFont = UIUtil.getDisplay().getSystemFont();
       }
     }

     return defaultFont;
   }

   static String getCSS()
   {
     if (css == null)
     {
       try
       {
         int xxx; // Replace 3rd party CSS code.
         css = readBundleResource("html/css/simpleInstaller.css");
       }
       catch (IOException ex)
       {
         SetupInstallerPlugin.INSTANCE.log(ex);
       }
     }

     return css;
   }

   static String getPageTemplate()
   {
     if (pageTemplate == null)
     {
       try
       {
         pageTemplate = readBundleResource("html/PageTemplate.html");

         // Embed CSS
         pageTemplate = pageTemplate.replace("%INSTALLER_CSS%", SimpleInstallerDialog.getCSS());
       }
       catch (IOException ex)
       {
         SetupInstallerPlugin.INSTANCE.log(ex);
       }
     }

     return pageTemplate;
   }

   static String getProductTemplate()
   {
     if (productTemplate == null)
     {
       try
       {
         productTemplate = readBundleResource("html/ProductTemplate.html");
       }
       catch (IOException ex)
       {
         SetupInstallerPlugin.INSTANCE.log(ex);
       }
     }

     return productTemplate;
   }

   private static String readBundleResource(final String name) throws IOException
   {
     try
     {
       BundleFile root = SetupInstallerPlugin.INSTANCE.getRootFile();
       BundleFile child = root.getChild(name);
       return child.getContentsString();
     }
     catch (Exception ex)
     {
       throw new IOExceptionWithCause(ex);
     }
   }

   /**
    * @author Eike Stepper
    */
   private final class UpdateSearcher extends Thread
   {
     private Display display;

     public UpdateSearcher(Display display)
     {
       super("Simple Update Searcher");
       this.display = display;
     }

     @Override
     public void run()
     {
       try
       {
         User user = getInstaller().getUser();
         updateResolution = SelfUpdate.resolve(user, null);
         if (updateResolution != null && !display.isDisposed())
         {
           display.asyncExec(new Runnable()
           {
             public void run()
             {
               updateAvailable(true);
             }
           });
         }
       }
       catch (CoreException ex)
       {
         SetupInstallerPlugin.INSTANCE.log(ex);
       }
     }
   }
 }
	/*
	* Copyright (c) 2014 Eike Stepper (Berlin, Germany) and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Eike Stepper - initial API and implementation
	* Andreas Scharf - [466264] Enhance UX in simple installer
	*/
	package org.eclipse.oomph.setup.internal.installer;

	import org.eclipse.oomph.internal.ui.FlatButton;
	import org.eclipse.oomph.internal.ui.ImageHoverButton;
	import org.eclipse.oomph.p2.core.BundlePool;
	import org.eclipse.oomph.p2.core.P2Util;
	import org.eclipse.oomph.p2.core.ProfileTransaction.Resolution;
	import org.eclipse.oomph.p2.internal.ui.AgentManagerDialog;
	import org.eclipse.oomph.setup.Product;
	import org.eclipse.oomph.setup.User;
	import org.eclipse.oomph.setup.internal.core.util.ECFURIHandlerImpl;
	import org.eclipse.oomph.setup.internal.installer.MessageOverlay.ControlRelocator;
	import org.eclipse.oomph.setup.ui.SetupUIPlugin;
	import org.eclipse.oomph.setup.ui.wizards.SetupWizard.Installer;
	import org.eclipse.oomph.ui.ErrorDialog;
	import org.eclipse.oomph.ui.StackComposite;
	import org.eclipse.oomph.ui.UIUtil;
	import org.eclipse.oomph.util.ExceptionHandler;
	import org.eclipse.oomph.util.IOExceptionWithCause;
	import org.eclipse.oomph.util.OS;
	import org.eclipse.oomph.util.OomphPlugin.BundleFile;
	import org.eclipse.oomph.util.OomphPlugin.Preference;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.layout.GridDataFactory;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.StackLayout;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Label;

	import java.io.File;
	import java.io.IOException;
	import java.net.URI;
	import java.util.Stack;

	/**
	* @author Eike Stepper
	*/
	public final class SimpleInstallerDialog extends AbstractSimpleDialog implements InstallerUI
	{
	private static final int INSTALLER_WIDTH = 523;

	private static final int INSTALLER_HEIGHT = 632;

	private static final Preference PREF_POOL_ENABLED = SetupInstallerPlugin.INSTANCE.getConfigurationPreference("poolEnabled");

	private static Font defaultFont;

	private static String css;

	private static String pageTemplate;

	private static String productTemplate;

	private final Installer installer;

	private final Stack<SimpleInstallerPage> pageStack = new Stack<SimpleInstallerPage>();

	private StackComposite stackComposite;

	private Composite stack;

	private StackLayout stackLayout;

	private SimpleProductPage productPage;

	private SimpleVariablePage variablePage;

	private SimpleReadmePage readmePage;

	private SimpleInstallationLogPage installationLogPage;

	private SimpleKeepInstallerPage keepInstallerPage;

	private SimpleInstallerMenu installerMenu;

	private SimpleInstallerMenu.InstallerMenuItem updateInstallerItem;

	private SimpleInstallerMenuButton menuButton;

	private boolean poolEnabled;

	private BundlePool pool;

	private Resolution updateResolution;

	private MessageOverlay currentMessage;

	public SimpleInstallerDialog(Display display, final Installer installer)
	{
	super(display, OS.INSTANCE.isMac() ? SWT.TOOL : SWT.NO_TRIM, INSTALLER_WIDTH, INSTALLER_HEIGHT);
	this.installer = installer;
	}

	@Override
	protected void createUI(Composite titleComposite)
	{
	poolEnabled = PREF_POOL_ENABLED.get(true);
	enablePool(poolEnabled);

	Composite exitMenuButtonContainer = new Composite(titleComposite, SWT.NONE);
	exitMenuButtonContainer.setLayout(UIUtil.createGridLayout(1));
	exitMenuButtonContainer.setLayoutData(GridDataFactory.swtDefaults().grab(false, true).align(SWT.CENTER, SWT.FILL).create());

	FlatButton exitButton = new ImageHoverButton(exitMenuButtonContainer, SWT.PUSH, SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exit.png"),
	SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exit_hover.png"));
	exitButton.setShowButtonDownState(false);
	exitButton.setLayoutData(GridDataFactory.swtDefaults().align(SWT.CENTER, SWT.BEGINNING).create());
	exitButton.setToolTipText("Exit");
	exitButton.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	exitSelected();
	}
	});

	menuButton = new SimpleInstallerMenuButton(exitMenuButtonContainer);
	menuButton.setLayoutData(GridDataFactory.swtDefaults().grab(false, true).align(SWT.CENTER, SWT.BEGINNING).indent(11, 0).create());
	menuButton.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	toggleMenu();
	}
	});

	stackLayout = new StackLayout();

	stack = new Composite(this, SWT.NONE);
	stack.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
	stack.setLayout(stackLayout);

	productPage = new SimpleProductPage(stack, this);
	variablePage = new SimpleVariablePage(stack, this);
	readmePage = new SimpleReadmePage(stack, this);
	installationLogPage = new SimpleInstallationLogPage(stack, this);
	keepInstallerPage = new SimpleKeepInstallerPage(stack, this);

	switchToPage(productPage);

	Display display = getDisplay();

	Thread updateSearcher = new UpdateSearcher(display);
	updateSearcher.start();

	display.timerExec(500, new Runnable()
	{
	public void run()
	{
	installer.getResourceSet().getLoadOptions().put(ECFURIHandlerImpl.OPTION_CACHE_HANDLING, ECFURIHandlerImpl.CacheHandling.CACHE_WITHOUT_ETAG_CHECKING);
	installer.loadIndex();
	}
	});

	// Initialize menu
	getInstallerMenu();

	updateAvailable(false);
	}

	private void toggleMenu()
	{
	getInstallerMenu().setVisible(!getInstallerMenu().isVisible());
	}

	public Installer getInstaller()
	{
	return installer;
	}

	public void setButtonsEnabled(boolean enabled)
	{
	menuButton.setEnabled(enabled);
	}

	private void enablePool(boolean poolEnabled)
	{
	if (this.poolEnabled != poolEnabled)
	{
	this.poolEnabled = poolEnabled;
	PREF_POOL_ENABLED.set(poolEnabled);
	}

	if (poolEnabled)
	{
	pool = P2Util.getAgentManager().getDefaultBundlePool(SetupUIPlugin.INSTANCE.getSymbolicName());
	}
	else
	{
	pool = null;
	}

	// FIXME: Enabled/Disabled state for bundle pooling?
	// if (poolButton != null)
	// {
	// poolButton.setImage(getBundlePoolImage());
	// }
	}

	public BundlePool getPool()
	{
	return pool;
	}

	private SimpleInstallerMenu getInstallerMenu()
	{
	if (installerMenu == null)
	{
	installerMenu = createInstallerMenu();
	}

	return installerMenu;
	}

	private SimpleInstallerMenu createInstallerMenu()
	{
	SimpleInstallerMenu menu = new SimpleInstallerMenu(this);

	SimpleInstallerMenu.InstallerMenuItem networkConnectionsItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	networkConnectionsItem.setText(NetworkConnectionsDialog.TITLE.toUpperCase() + "...");
	networkConnectionsItem.setToolTipText(NetworkConnectionsDialog.DESCRIPTION);
	networkConnectionsItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	Dialog dialog = new NetworkConnectionsDialog(SimpleInstallerDialog.this);
	dialog.open();
	}
	});

	SimpleInstallerMenu.InstallerMenuItem bundlePoolsItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	bundlePoolsItem.setText("BUNDLE POOLS...");
	bundlePoolsItem.setToolTipText(AgentManagerDialog.MESSAGE);
	bundlePoolsItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	manageBundlePools();
	}
	});

	SimpleInstallerMenu.InstallerMenuItem ssh2KeysItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	ssh2KeysItem.setText(NetworkSSH2Dialog.TITLE.toUpperCase() + "...");
	ssh2KeysItem.setToolTipText(NetworkSSH2Dialog.DESCRIPTION);
	ssh2KeysItem.setDividerVisible(false);
	ssh2KeysItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	Dialog dialog = new NetworkSSH2Dialog(SimpleInstallerDialog.this);
	dialog.open();
	}
	});

	Label spacer1 = new Label(menu, SWT.NONE);
	spacer1.setLayoutData(GridDataFactory.swtDefaults().hint(SWT.DEFAULT, 46).create());

	updateInstallerItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	updateInstallerItem.setDefaultImage(SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exclamation_circle.png"));
	updateInstallerItem.setHoverImage(SetupInstallerPlugin.INSTANCE.getSWTImage("simple/exclamation_circle_hover.png"));
	updateInstallerItem.setText("UPDATE");
	updateInstallerItem.setToolTipText("Install available updates");
	updateInstallerItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	Runnable successRunnable = new Runnable()
	{
	public void run()
	{
	setReturnCode(RETURN_RESTART);
	exitSelected();
	}
	};

	ExceptionHandler<CoreException> exceptionHandler = new ExceptionHandler<CoreException>()
	{
	public void handleException(CoreException ex)
	{
	ErrorDialog.open(ex);
	}
	};

	SelfUpdate.update(getShell(), updateResolution, successRunnable, exceptionHandler, null);
	}
	});

	SimpleInstallerMenu.InstallerMenuItem advancedModeItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	advancedModeItem.setText("ADVANCED");
	advancedModeItem.setToolTipText("Switch to advanced mode");
	advancedModeItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	setReturnCode(RETURN_ADVANCED);
	exitSelected();
	}
	});

	SimpleInstallerMenu.InstallerMenuItem aboutItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	aboutItem.setText("ABOUT");
	aboutItem.setToolTipText("Show information about this installer");
	aboutItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	showAbout();
	}
	});

	SimpleInstallerMenu.InstallerMenuItem exitItem = new SimpleInstallerMenu.InstallerMenuItem(menu);
	exitItem.setText("EXIT");
	exitItem.setDividerVisible(false);
	exitItem.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	exitSelected();
	}
	});

	return menu;
	}

	private void updateAvailable(boolean available)
	{
	menuButton.setNotificationVisible(available);
	updateInstallerItem.setVisible(available);
	installerMenu.layout();
	}

	private void manageBundlePools()
	{
	final boolean[] enabled = { poolEnabled };

	AgentManagerDialog dialog = new AgentManagerDialog(getShell())
	{
	@Override
	protected void createUI(Composite parent)
	{
	final Button enabledButton = new Button(parent, SWT.CHECK);
	enabledButton.setText("Enable shared bundle pool");
	enabledButton.setSelection(poolEnabled);
	enabledButton.addSelectionListener(new SelectionAdapter()
	{
	@Override
	public void widgetSelected(SelectionEvent e)
	{
	enabled[0] = enabledButton.getSelection();
	getComposite().setEnabled(enabled[0]);
	}
	});

	new Label(parent, SWT.NONE);
	super.createUI(parent);
	getComposite().setEnabled(poolEnabled);
	}

	@Override
	protected void createButtonsForButtonBar(Composite parent)
	{
	super.createButtonsForButtonBar(parent);
	Button button = getButton(IDialogConstants.OK_ID);
	if (button != null)
	{
	button.setEnabled(false);
	}
	}

	@Override
	protected void elementChanged(Object element)
	{
	Button button = getButton(IDialogConstants.OK_ID);
	if (button != null)
	{
	button.setEnabled(element instanceof BundlePool);
	}
	}
	};

	if (pool != null)
	{
	dialog.setSelectedElement(pool);
	}

	if (dialog.open() == AgentManagerDialog.OK)
	{
	enablePool(enabled[0]);
	pool = (BundlePool)dialog.getSelectedElement();
	}
	}

	public boolean refreshJREs()
	{
	if (variablePage != null)
	{
	return variablePage.refreshJREs();
	}

	return false;
	}

	public void showAbout()
	{
	int xxx;
	// TODO Fix version in about dialog

	String version = "he.ll.o";
	new AboutDialog(getShell(), version).open();
	}

	public void productSelected(Product product)
	{
	variablePage.setProduct(product);
	switchToPage(variablePage);
	}

	public void backSelected()
	{
	if (pageStack.size() <= 1)
	{
	return;
	}

	UIUtil.asyncExec(new Runnable()
	{
	public void run()
	{
	SimpleInstallerPage currentPage = pageStack.pop();

	try
	{
	currentPage.aboutToHide();
	}
	catch (Exception ex)
	{
	SetupInstallerPlugin.INSTANCE.log(ex);
	}

	SimpleInstallerPage previousPage = pageStack.peek();

	stackLayout.topControl = previousPage;
	stack.layout();

	previousPage.aboutToShow();
	previousPage.setFocus();
	}
	});
	}

	public void showMessage(String message, MessageOverlay.Type type, boolean dismissAutomatically)
	{
	showMessage(message, type, dismissAutomatically, null);
	}

	public void showMessage(String message, MessageOverlay.Type type, boolean dismissAutomatically, Runnable action)
	{
	clearMessage();

	currentMessage = new MessageOverlay(this, type, new ControlRelocator()
	{
	public void relocate(Control control)
	{
	Rectangle bounds = SimpleInstallerDialog.this.getBounds();
	int x = bounds.x + 5;
	int y = bounds.y + 24;

	int width = bounds.width - 9;

	// Depending on the current page, the height varies
	int height = pageStack.peek() instanceof SimpleProductPage ? 87 : 70;
	control.setBounds(x, y, width, height);
	}
	}, dismissAutomatically, action);

	currentMessage.setMessage(message);
	currentMessage.setVisible(true);
	}

	public void clearMessage()
	{
	if (currentMessage != null && !currentMessage.isDisposed())
	{
	if (!currentMessage.isDisposed())
	{
	currentMessage.close();
	}

	currentMessage = null;
	}
	}

	public void showReadme(URI readmeURI)
	{
	readmePage.setReadmeURI(readmeURI);
	switchToPage(readmePage);
	}

	public void showInstallationLog(File installationLogFile)
	{
	installationLogPage.setInstallationLogFile(installationLogFile);
	switchToPage(installationLogPage);
	}

	public void showKeepInstaller()
	{
	switchToPage(keepInstallerPage);
	}

	private void switchToPage(final SimpleInstallerPage page)
	{
	if (page != null)
	{
	final SimpleInstallerPage currentPage = !pageStack.isEmpty() ? pageStack.peek() : null;
	if (currentPage == null \|\| currentPage != page)
	{
	pageStack.push(page);

	UIUtil.asyncExec(new Runnable()
	{
	public void run()
	{
	if (currentPage != null)
	{
	currentPage.aboutToHide();
	}

	stackLayout.topControl = page;
	stack.layout();

	page.aboutToShow();
	page.setFocus();
	}
	});
	}
	}
	}

	static Font getDefaultFont()
	{
	if (defaultFont == null)
	{
	defaultFont = JFaceResources.getFont(SetupInstallerPlugin.FONT_LABEL_DEFAULT);
	if (defaultFont == null)
	{
	defaultFont = UIUtil.getDisplay().getSystemFont();
	}
	}

	return defaultFont;
	}

	static String getCSS()
	{
	if (css == null)
	{
	try
	{
	int xxx; // Replace 3rd party CSS code.
	css = readBundleResource("html/css/simpleInstaller.css");
	}
	catch (IOException ex)
	{
	SetupInstallerPlugin.INSTANCE.log(ex);
	}
	}

	return css;
	}

	static String getPageTemplate()
	{
	if (pageTemplate == null)
	{
	try
	{
	pageTemplate = readBundleResource("html/PageTemplate.html");

	// Embed CSS
	pageTemplate = pageTemplate.replace("%INSTALLER_CSS%", SimpleInstallerDialog.getCSS());
	}
	catch (IOException ex)
	{
	SetupInstallerPlugin.INSTANCE.log(ex);
	}
	}

	return pageTemplate;
	}

	static String getProductTemplate()
	{
	if (productTemplate == null)
	{
	try
	{
	productTemplate = readBundleResource("html/ProductTemplate.html");
	}
	catch (IOException ex)
	{
	SetupInstallerPlugin.INSTANCE.log(ex);
	}
	}

	return productTemplate;
	}

	private static String readBundleResource(final String name) throws IOException
	{
	try
	{
	BundleFile root = SetupInstallerPlugin.INSTANCE.getRootFile();
	BundleFile child = root.getChild(name);
	return child.getContentsString();
	}
	catch (Exception ex)
	{
	throw new IOExceptionWithCause(ex);
	}
	}

	/**
	* @author Eike Stepper
	*/
	private final class UpdateSearcher extends Thread
	{
	private Display display;

	public UpdateSearcher(Display display)
	{
	super("Simple Update Searcher");
	this.display = display;
	}

	@Override
	public void run()
	{
	try
	{
	User user = getInstaller().getUser();
	updateResolution = SelfUpdate.resolve(user, null);
	if (updateResolution != null && !display.isDisposed())
	{
	display.asyncExec(new Runnable()
	{
	public void run()
	{
	updateAvailable(true);
	}
	});
	}
	}
	catch (CoreException ex)
	{
	SetupInstallerPlugin.INSTANCE.log(ex);
	}
	}
	}
	}