update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/views/DetailsView.java - gerrit/platform/eclipse.platform - Git at Google

 package org.eclipse.update.internal.ui.views;
 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 import java.io.*;
 import java.util.Vector;

 import org.eclipse.help.ui.browser.IBrowser;
 import org.eclipse.help.ui.internal.browser.BrowserManager;
 import org.eclipse.jface.action.*;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.program.Program;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.*;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.ui.texteditor.IUpdate;
 import org.eclipse.update.configuration.*;
 import org.eclipse.update.core.IFeature;
 import org.eclipse.update.core.model.ModelObject;
 import org.eclipse.update.internal.ui.*;
 import org.eclipse.update.internal.ui.forms.*;
 import org.eclipse.update.internal.ui.model.*;
 import org.eclipse.update.internal.ui.pages.*;
 import org.eclipse.update.internal.ui.preferences.MainPreferencePage;
 import org.eclipse.update.internal.ui.search.*;
 import org.eclipse.update.ui.forms.internal.engine.FormEngine;

 /**
  * Insert the type's description here.
  * @see ViewPart
  */
 public class DetailsView extends MultiPageView {

 	// NL keys
 	private static final String KEY_HOME = "DetailsView.home.label";
 	private static final String KEY_BACKWARD = "DetailsView.backward.label";
 	private static final String KEY_FORWARD = "DetailsView.forward.label";
 	private static final String KEY_T_HOME = "DetailsView.home.tooltip";
 	private static final String KEY_T_BACKWARD = "DetailsView.backward.tooltip";
 	private static final String KEY_T_FORWARD = "DetailsView.forward.tooltip";

 	public static final String HOME_PAGE = "Home";
 	public static final String SITE_PAGE = "Site";
 	public static final String CATEGORY_PAGE = "Category";
 	public static final String DETAILS_PAGE = "Details";
 	public static final String BROWSER_PAGE = "Browser";
 	public static final String CONFIG_PAGE = "Config";
 	public static final String INSTALL_CONFIGURATION_PAGE = "InstallConfiguration";
 	public static final String INSTALL_SITE_PAGE = "InstallSite";
 	public static final String MY_COMPUTER_PAGE = "MyComputer";
 	public static final String EXTENSION_ROOT_PAGE = "ExtensionRoot";
 	public static final String SEARCH_PAGE = "Search";
 	public static final String DISCOVERY_PAGE = "Discovery";
 	public static final String UNKNOWN_PAGE = "Unknown";

 	private Action homeAction;
 	private UpdateAction backAction;
 	private UpdateAction forwardAction;
 	private DetailsHistory history = new DetailsHistory();
 	private Vector tmpFiles;

 	private boolean inHistory = false;

 	abstract class UpdateAction extends Action implements IUpdate {
 	}

 	/**
 	 * The constructor.
 	 */
 	public DetailsView() {
 		history = new DetailsHistory();
 	}

 	public void createPages() {
 		firstPageId = HOME_PAGE;
 		formWorkbook.setFirstPageSelected(false);
 		MainPage mainPage = new MainPage(this, "Update Home");
 		addPage(HOME_PAGE, mainPage);
 		DetailsPage detailsPage = new DetailsPage(this, "Details");
 		addPage(DETAILS_PAGE, detailsPage);
 		SitePage sitePage = new SitePage(this, "Site");
 		addPage(SITE_PAGE, sitePage);
 		addPage(CATEGORY_PAGE, new CategoryPage(this, "Category"));
 		addPage(CONFIG_PAGE, new LocalSitePage(this, "Configuration"));
 		addPage(
 			INSTALL_CONFIGURATION_PAGE,
 			new InstallConfigurationPage(this, "Snapshot"));
 		addPage(INSTALL_SITE_PAGE, new InstallableSitePage(this, "Install Location"));
 		addPage(MY_COMPUTER_PAGE, new MyComputerPage(this, "MyComputer"));
 		addPage(EXTENSION_ROOT_PAGE, new ExtensionRootPage(this, "ExtensionRoot"));
 		addPage(SEARCH_PAGE, new SearchPage(this, "Search"));
 		addPage(DISCOVERY_PAGE, new DiscoveryFolderPage(this, "Discovery Sites"));
 		addPage(UNKNOWN_PAGE, new UnknownObjectPage(this, "Unknown Object"));
 	}

 	public void showURL(String url) {
 		boolean useEmbedded = false;
 		boolean win32 = SWT.getPlatform().equals("win32");
 		if (win32) {
 			useEmbedded = MainPreferencePage.getUseEmbeddedBrowser();
 		}
 		if (useEmbedded) {
 			IWorkbenchPage page = UpdateUIPlugin.getActivePage();
 			try {
 				IViewPart part = page.showView(UpdatePerspective.ID_BROWSER);
 				((IEmbeddedWebBrowser) part).openTo(url);
 			} catch (PartInitException e) {
 				UpdateUIPlugin.logException(e);
 			}
 		} else {
 			if (win32) {
 				Program.launch(url);
 			}
 			else {
 				// defect 11483
 				IBrowser browser = BrowserManager.getInstance().createBrowser();
 				browser.displayURL(url);
 			}
 		}
 	}

 	public void showText(String text) {
 		try {
 			File file = File.createTempFile("FeatureLicense", ".txt");
 			OutputStream stream = new FileOutputStream(file);
 			PrintWriter writer = new PrintWriter(stream);
 			writer.println(text);
 			writer.flush();
 			stream.close();
 			if (tmpFiles == null)
 				tmpFiles = new Vector();
 			tmpFiles.add(file.getAbsolutePath());
 			showURL("file:///" + file.getAbsolutePath());
 		} catch (IOException e) {
 		}
 	}

 	public void dispose() {
 		if (tmpFiles != null) {
 			for (int i = 0; i < tmpFiles.size(); i++) {
 				String fileName = tmpFiles.get(i).toString();
 				File file = new File(fileName);
 				file.delete();
 			}
 			tmpFiles = null;
 		}
 		super.dispose();
 	}

 	public void createPartControl(Composite parent) {
 		super.createPartControl(parent);
 		history.add(HOME_PAGE, null);
 		makeActions();
 		fillActionBars();
 		WorkbenchHelp.setHelp(formWorkbook.getControl(), "org.eclipse.update.ui.DetailsView");
 	}

 	public void showPageWithInput(String pageId, Object input) {
 		if (pageId.equals(HOME_PAGE) == false) {
 			if (!(input instanceof UIModelObject || input instanceof ModelObject))
 				return;
 		}
 		showPage(pageId, input);
 		if (input != null)
 			history.add(pageId, input);
 		backAction.update();
 		forwardAction.update();
 		IWorkbenchPage page = UpdateUIPlugin.getActivePage();
 		if (page==null) return;
 		IPerspectiveDescriptor desc = page.getPerspective();
 		if (desc==null) return;
 		String pid = desc.getId();
 		if (pid.equals("org.eclipse.update.ui.UpdatePerspective")) {
 			IViewPart view = page.findView(UpdatePerspective.ID_DETAILS);
 			if (view != null) {
 				page.bringToTop(view);
 			}
 		}
 	}

 	public void selectionChanged(IWorkbenchPart part, ISelection sel) {
 		if (part == this)
 			return;
 		Object el = null;
 		if (sel instanceof IStructuredSelection) {
 			IStructuredSelection ssel = (IStructuredSelection) sel;
 			if (ssel.size() == 1) {
 				el = ssel.getFirstElement();
 				if (el instanceof IFeature || el instanceof IFeatureAdapter) {
 					showPageWithInput(DETAILS_PAGE, el);
 					return;
 				}
 				if (el instanceof SiteBookmark) {
 					showPageWithInput(SITE_PAGE, el);
 					return;
 				}
 				if (el instanceof SiteCategory) {
 					showPageWithInput(CATEGORY_PAGE, el);
 					return;
 				}
 				if (el instanceof ILocalSite) {
 					showPageWithInput(CONFIG_PAGE, el);
 					return;
 				}
 				if (el instanceof IInstallConfiguration
 					|| el instanceof PreservedConfiguration) {
 					showPageWithInput(INSTALL_CONFIGURATION_PAGE, el);
 					return;
 				}
 				if (el instanceof IConfiguredSiteAdapter) {
 					showPageWithInput(INSTALL_SITE_PAGE, el);
 					return;
 				}
 				if (el instanceof MyComputer) {
 					showPageWithInput(MY_COMPUTER_PAGE, el);
 					return;
 				}
 				if (el instanceof ExtensionRoot) {
 					showPageWithInput(EXTENSION_ROOT_PAGE, el);
 					return;
 				}
 				if (el instanceof DiscoveryFolder) {
 					showPageWithInput(DISCOVERY_PAGE, el);
 					return;
 				}
 				if (el instanceof SearchObject) {
 					showPageWithInput(SEARCH_PAGE, el);
 					return;
 				}
 				if (el instanceof SearchResultSite) {
 					showPageWithInput(SITE_PAGE, el);
 					return;
 				}
 				//fallback - show empty page
 				showPageWithInput(UNKNOWN_PAGE, el);
 			} else
 				// defect 14692
 				showPageWithInput((homeAction != null) ? HOME_PAGE : UNKNOWN_PAGE, null);
 		}
 	}

 	private void makeActions() {
 		homeAction = new Action() {
 			public void run() {
 				performHome();
 			}
 		};
 		homeAction.setText(UpdateUIPlugin.getResourceString(KEY_HOME));
 		homeAction.setToolTipText(UpdateUIPlugin.getResourceString(KEY_T_HOME));
 		homeAction.setImageDescriptor(UpdateUIPluginImages.DESC_HOME_NAV);
 		homeAction.setHoverImageDescriptor(UpdateUIPluginImages.DESC_HOME_NAV_H);
 		homeAction.setDisabledImageDescriptor(UpdateUIPluginImages.DESC_HOME_NAV_D);
 		WorkbenchHelp.setHelp(homeAction, "org.eclipse.update.ui.DetailsView_homeAction");

 		backAction = new UpdateAction() {
 			public void run() {
 				performBackward();
 			}
 			public void update() {
 				setEnabled(canPerformBackward());
 			}
 		};
 		backAction.setText(UpdateUIPlugin.getResourceString(KEY_BACKWARD));
 		backAction.setToolTipText(UpdateUIPlugin.getResourceString(KEY_T_BACKWARD));
 		backAction.setImageDescriptor(UpdateUIPluginImages.DESC_BACKWARD_NAV);
 		backAction.setHoverImageDescriptor(UpdateUIPluginImages.DESC_BACKWARD_NAV_H);
 		backAction.setDisabledImageDescriptor(UpdateUIPluginImages.DESC_BACKWARD_NAV_D);
 		backAction.setEnabled(false);
 		WorkbenchHelp.setHelp(backAction, "org.eclipse.update.ui.DetailsView_backAction");

 		forwardAction = new UpdateAction() {
 			public void run() {
 				performForward();
 			}
 			public void update() {
 				setEnabled(canPerformForward());
 			}
 		};
 		forwardAction.setText(UpdateUIPlugin.getResourceString(KEY_FORWARD));
 		forwardAction.setToolTipText(UpdateUIPlugin.getResourceString(KEY_T_FORWARD));
 		forwardAction.setImageDescriptor(UpdateUIPluginImages.DESC_FORWARD_NAV);
 		forwardAction.setHoverImageDescriptor(UpdateUIPluginImages.DESC_FORWARD_NAV_H);
 		forwardAction.setDisabledImageDescriptor(
 			UpdateUIPluginImages.DESC_FORWARD_NAV_D);
 		forwardAction.setEnabled(false);
 		WorkbenchHelp.setHelp(forwardAction, "org.eclipse.update.ui.DetailsView_forwardAction");
 	}

 	private void fillActionBars() {
 		IActionBars bars = getViewSite().getActionBars();
 		IToolBarManager mng = bars.getToolBarManager();
 		mng.add(homeAction);
 		mng.add(backAction);
 		mng.add(forwardAction);
 	}

 	public void contextMenuAboutToShow(IMenuManager menu) {
 		Control control = formWorkbook.getControl().getDisplay().getFocusControl();
 		if (control instanceof FormEngine) {
 			((FormEngine)control).contextMenuAboutToShow(menu);
 		}

 		menu.add(backAction);
 		menu.add(forwardAction);
 		menu.add(homeAction);
 	}

 	private void performHome() {
 		showPageWithInput(HOME_PAGE, null);
 	}

 	private boolean canPerformBackward() {
 		return history.hasPrevious();
 	}

 	private void performBackward() {
 		DetailsHistoryItem item = history.getPrevious();
 		if (item != null) {
 			inHistory = true;
 			showPage(item.getPageId(), item.getInput());
 			//inHistory = false;
 			if (item.getPageId() != BROWSER_PAGE) {
 				backAction.update();
 				forwardAction.update();
 			}
 		}
 	}

 	private void performForward() {
 		DetailsHistoryItem item = history.getNext();
 		if (item != null) {
 			inHistory = true;
 			showPage(item.getPageId(), item.getInput());
 			//inHistory = false;
 			if (item.getPageId() != BROWSER_PAGE) {
 				backAction.update();
 				forwardAction.update();
 			}
 		}
 	}

 	private boolean canPerformForward() {
 		return history.hasNext();
 	}

 }
	package org.eclipse.update.internal.ui.views;
	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/
	import java.io.*;
	import java.util.Vector;

	import org.eclipse.help.ui.browser.IBrowser;
	import org.eclipse.help.ui.internal.browser.BrowserManager;
	import org.eclipse.jface.action.*;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.program.Program;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.ui.*;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.ui.texteditor.IUpdate;
	import org.eclipse.update.configuration.*;
	import org.eclipse.update.core.IFeature;
	import org.eclipse.update.core.model.ModelObject;
	import org.eclipse.update.internal.ui.*;
	import org.eclipse.update.internal.ui.forms.*;
	import org.eclipse.update.internal.ui.model.*;
	import org.eclipse.update.internal.ui.pages.*;
	import org.eclipse.update.internal.ui.preferences.MainPreferencePage;
	import org.eclipse.update.internal.ui.search.*;
	import org.eclipse.update.ui.forms.internal.engine.FormEngine;

	/**
	* Insert the type's description here.
	* @see ViewPart
	*/
	public class DetailsView extends MultiPageView {

	// NL keys
	private static final String KEY_HOME = "DetailsView.home.label";
	private static final String KEY_BACKWARD = "DetailsView.backward.label";
	private static final String KEY_FORWARD = "DetailsView.forward.label";
	private static final String KEY_T_HOME = "DetailsView.home.tooltip";
	private static final String KEY_T_BACKWARD = "DetailsView.backward.tooltip";
	private static final String KEY_T_FORWARD = "DetailsView.forward.tooltip";

	public static final String HOME_PAGE = "Home";
	public static final String SITE_PAGE = "Site";
	public static final String CATEGORY_PAGE = "Category";
	public static final String DETAILS_PAGE = "Details";
	public static final String BROWSER_PAGE = "Browser";
	public static final String CONFIG_PAGE = "Config";
	public static final String INSTALL_CONFIGURATION_PAGE = "InstallConfiguration";
	public static final String INSTALL_SITE_PAGE = "InstallSite";
	public static final String MY_COMPUTER_PAGE = "MyComputer";
	public static final String EXTENSION_ROOT_PAGE = "ExtensionRoot";
	public static final String SEARCH_PAGE = "Search";
	public static final String DISCOVERY_PAGE = "Discovery";
	public static final String UNKNOWN_PAGE = "Unknown";

	private Action homeAction;
	private UpdateAction backAction;
	private UpdateAction forwardAction;
	private DetailsHistory history = new DetailsHistory();
	private Vector tmpFiles;

	private boolean inHistory = false;

	abstract class UpdateAction extends Action implements IUpdate {
	}

	/**
	* The constructor.
	*/
	public DetailsView() {
	history = new DetailsHistory();
	}

	public void createPages() {
	firstPageId = HOME_PAGE;
	formWorkbook.setFirstPageSelected(false);
	MainPage mainPage = new MainPage(this, "Update Home");
	addPage(HOME_PAGE, mainPage);
	DetailsPage detailsPage = new DetailsPage(this, "Details");
	addPage(DETAILS_PAGE, detailsPage);
	SitePage sitePage = new SitePage(this, "Site");
	addPage(SITE_PAGE, sitePage);
	addPage(CATEGORY_PAGE, new CategoryPage(this, "Category"));
	addPage(CONFIG_PAGE, new LocalSitePage(this, "Configuration"));
	addPage(
	INSTALL_CONFIGURATION_PAGE,
	new InstallConfigurationPage(this, "Snapshot"));
	addPage(INSTALL_SITE_PAGE, new InstallableSitePage(this, "Install Location"));
	addPage(MY_COMPUTER_PAGE, new MyComputerPage(this, "MyComputer"));
	addPage(EXTENSION_ROOT_PAGE, new ExtensionRootPage(this, "ExtensionRoot"));
	addPage(SEARCH_PAGE, new SearchPage(this, "Search"));
	addPage(DISCOVERY_PAGE, new DiscoveryFolderPage(this, "Discovery Sites"));
	addPage(UNKNOWN_PAGE, new UnknownObjectPage(this, "Unknown Object"));
	}

	public void showURL(String url) {
	boolean useEmbedded = false;
	boolean win32 = SWT.getPlatform().equals("win32");
	if (win32) {
	useEmbedded = MainPreferencePage.getUseEmbeddedBrowser();
	}
	if (useEmbedded) {
	IWorkbenchPage page = UpdateUIPlugin.getActivePage();
	try {
	IViewPart part = page.showView(UpdatePerspective.ID_BROWSER);
	((IEmbeddedWebBrowser) part).openTo(url);
	} catch (PartInitException e) {
	UpdateUIPlugin.logException(e);
	}
	} else {
	if (win32) {
	Program.launch(url);
	}
	else {
	// defect 11483
	IBrowser browser = BrowserManager.getInstance().createBrowser();
	browser.displayURL(url);
	}
	}
	}

	public void showText(String text) {
	try {
	File file = File.createTempFile("FeatureLicense", ".txt");
	OutputStream stream = new FileOutputStream(file);
	PrintWriter writer = new PrintWriter(stream);
	writer.println(text);
	writer.flush();
	stream.close();
	if (tmpFiles == null)
	tmpFiles = new Vector();
	tmpFiles.add(file.getAbsolutePath());
	showURL("file:///" + file.getAbsolutePath());
	} catch (IOException e) {
	}
	}

	public void dispose() {
	if (tmpFiles != null) {
	for (int i = 0; i < tmpFiles.size(); i++) {
	String fileName = tmpFiles.get(i).toString();
	File file = new File(fileName);
	file.delete();
	}
	tmpFiles = null;
	}
	super.dispose();
	}

	public void createPartControl(Composite parent) {
	super.createPartControl(parent);
	history.add(HOME_PAGE, null);
	makeActions();
	fillActionBars();
	WorkbenchHelp.setHelp(formWorkbook.getControl(), "org.eclipse.update.ui.DetailsView");
	}

	public void showPageWithInput(String pageId, Object input) {
	if (pageId.equals(HOME_PAGE) == false) {
	if (!(input instanceof UIModelObject \|\| input instanceof ModelObject))
	return;
	}
	showPage(pageId, input);
	if (input != null)
	history.add(pageId, input);
	backAction.update();
	forwardAction.update();
	IWorkbenchPage page = UpdateUIPlugin.getActivePage();
	if (page==null) return;
	IPerspectiveDescriptor desc = page.getPerspective();
	if (desc==null) return;
	String pid = desc.getId();
	if (pid.equals("org.eclipse.update.ui.UpdatePerspective")) {
	IViewPart view = page.findView(UpdatePerspective.ID_DETAILS);
	if (view != null) {
	page.bringToTop(view);
	}
	}
	}

	public void selectionChanged(IWorkbenchPart part, ISelection sel) {
	if (part == this)
	return;
	Object el = null;
	if (sel instanceof IStructuredSelection) {
	IStructuredSelection ssel = (IStructuredSelection) sel;
	if (ssel.size() == 1) {
	el = ssel.getFirstElement();
	if (el instanceof IFeature \|\| el instanceof IFeatureAdapter) {
	showPageWithInput(DETAILS_PAGE, el);
	return;
	}
	if (el instanceof SiteBookmark) {
	showPageWithInput(SITE_PAGE, el);
	return;
	}
	if (el instanceof SiteCategory) {
	showPageWithInput(CATEGORY_PAGE, el);
	return;
	}
	if (el instanceof ILocalSite) {
	showPageWithInput(CONFIG_PAGE, el);
	return;
	}
	if (el instanceof IInstallConfiguration
	\|\| el instanceof PreservedConfiguration) {
	showPageWithInput(INSTALL_CONFIGURATION_PAGE, el);
	return;
	}
	if (el instanceof IConfiguredSiteAdapter) {
	showPageWithInput(INSTALL_SITE_PAGE, el);
	return;
	}
	if (el instanceof MyComputer) {
	showPageWithInput(MY_COMPUTER_PAGE, el);
	return;
	}
	if (el instanceof ExtensionRoot) {
	showPageWithInput(EXTENSION_ROOT_PAGE, el);
	return;
	}
	if (el instanceof DiscoveryFolder) {
	showPageWithInput(DISCOVERY_PAGE, el);
	return;
	}
	if (el instanceof SearchObject) {
	showPageWithInput(SEARCH_PAGE, el);
	return;
	}
	if (el instanceof SearchResultSite) {
	showPageWithInput(SITE_PAGE, el);
	return;
	}
	//fallback - show empty page
	showPageWithInput(UNKNOWN_PAGE, el);
	} else
	// defect 14692
	showPageWithInput((homeAction != null) ? HOME_PAGE : UNKNOWN_PAGE, null);
	}
	}

	private void makeActions() {
	homeAction = new Action() {
	public void run() {
	performHome();
	}
	};
	homeAction.setText(UpdateUIPlugin.getResourceString(KEY_HOME));
	homeAction.setToolTipText(UpdateUIPlugin.getResourceString(KEY_T_HOME));
	homeAction.setImageDescriptor(UpdateUIPluginImages.DESC_HOME_NAV);
	homeAction.setHoverImageDescriptor(UpdateUIPluginImages.DESC_HOME_NAV_H);
	homeAction.setDisabledImageDescriptor(UpdateUIPluginImages.DESC_HOME_NAV_D);
	WorkbenchHelp.setHelp(homeAction, "org.eclipse.update.ui.DetailsView_homeAction");

	backAction = new UpdateAction() {
	public void run() {
	performBackward();
	}
	public void update() {
	setEnabled(canPerformBackward());
	}
	};
	backAction.setText(UpdateUIPlugin.getResourceString(KEY_BACKWARD));
	backAction.setToolTipText(UpdateUIPlugin.getResourceString(KEY_T_BACKWARD));
	backAction.setImageDescriptor(UpdateUIPluginImages.DESC_BACKWARD_NAV);
	backAction.setHoverImageDescriptor(UpdateUIPluginImages.DESC_BACKWARD_NAV_H);
	backAction.setDisabledImageDescriptor(UpdateUIPluginImages.DESC_BACKWARD_NAV_D);
	backAction.setEnabled(false);
	WorkbenchHelp.setHelp(backAction, "org.eclipse.update.ui.DetailsView_backAction");

	forwardAction = new UpdateAction() {
	public void run() {
	performForward();
	}
	public void update() {
	setEnabled(canPerformForward());
	}
	};
	forwardAction.setText(UpdateUIPlugin.getResourceString(KEY_FORWARD));
	forwardAction.setToolTipText(UpdateUIPlugin.getResourceString(KEY_T_FORWARD));
	forwardAction.setImageDescriptor(UpdateUIPluginImages.DESC_FORWARD_NAV);
	forwardAction.setHoverImageDescriptor(UpdateUIPluginImages.DESC_FORWARD_NAV_H);
	forwardAction.setDisabledImageDescriptor(
	UpdateUIPluginImages.DESC_FORWARD_NAV_D);
	forwardAction.setEnabled(false);
	WorkbenchHelp.setHelp(forwardAction, "org.eclipse.update.ui.DetailsView_forwardAction");
	}

	private void fillActionBars() {
	IActionBars bars = getViewSite().getActionBars();
	IToolBarManager mng = bars.getToolBarManager();
	mng.add(homeAction);
	mng.add(backAction);
	mng.add(forwardAction);
	}

	public void contextMenuAboutToShow(IMenuManager menu) {
	Control control = formWorkbook.getControl().getDisplay().getFocusControl();
	if (control instanceof FormEngine) {
	((FormEngine)control).contextMenuAboutToShow(menu);
	}

	menu.add(backAction);
	menu.add(forwardAction);
	menu.add(homeAction);
	}

	private void performHome() {
	showPageWithInput(HOME_PAGE, null);
	}

	private boolean canPerformBackward() {
	return history.hasPrevious();
	}

	private void performBackward() {
	DetailsHistoryItem item = history.getPrevious();
	if (item != null) {
	inHistory = true;
	showPage(item.getPageId(), item.getInput());
	//inHistory = false;
	if (item.getPageId() != BROWSER_PAGE) {
	backAction.update();
	forwardAction.update();
	}
	}
	}

	private void performForward() {
	DetailsHistoryItem item = history.getNext();
	if (item != null) {
	inHistory = true;
	showPage(item.getPageId(), item.getInput());
	//inHistory = false;
	if (item.getPageId() != BROWSER_PAGE) {
	backAction.update();
	forwardAction.update();
	}
	}
	}

	private boolean canPerformForward() {
	return history.hasNext();
	}

	}