update/org.eclipse.update.ui/srcnew/org/eclipse/update/internal/ui/wizards/RevertConfigurationWizardPage.java - platform/eclipse.platform - Git at Google

 /*
  * Created on May 21, 2003
  *
  * To change this generated comment go to
  * Window>Preferences>Java>Code Generation>Code Template
  */
 package org.eclipse.update.internal.ui.wizards;

 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.viewers.ColumnWeightData;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.ITableLabelProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableLayout;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerSorter;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.SashForm;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.update.configuration.IActivity;
 import org.eclipse.update.configuration.IInstallConfiguration;
 import org.eclipse.update.configuration.ILocalSite;
 import org.eclipse.update.core.SiteManager;
 import org.eclipse.update.core.Utilities;
 import org.eclipse.update.internal.operations.UpdateManager;
 import org.eclipse.update.internal.ui.UpdateLabelProvider;
 import org.eclipse.update.internal.ui.UpdateUI;
 import org.eclipse.update.internal.ui.UpdateUIImages;
 import org.eclipse.update.internal.ui.forms.UIProblemHandler;
 import org.eclipse.update.internal.ui.parts.DefaultContentProvider;

 public class RevertConfigurationWizardPage extends WizardPage {

 	private static final String KEY_CONFIGURE = "InstallConfigurationPage.ActivitySection.action.configure";
 	private static final String KEY_FEATURE_INSTALL = "InstallConfigurationPage.ActivitySection.action.featureInstall";
 	private static final String KEY_FEATURE_REMOVE = "InstallConfigurationPage.ActivitySection.action.featureRemove";
 	private static final String KEY_SITE_INSTALL = "InstallConfigurationPage.ActivitySection.action.siteInstall";
 	private static final String KEY_SITE_REMOVE = "InstallConfigurationPage.ActivitySection.action.siteRemove";
 	private static final String KEY_UNCONFIGURE = "InstallConfigurationPage.ActivitySection.action.unconfigure";
 	private static final String KEY_UNKNOWN = "InstallConfigurationPage.ActivitySection.action.unknown";
 	private static final String KEY_REVERT = "InstallConfigurationPage.ActivitySection.action.revert";
 	private static final String KEY_RECONCILIATION = "InstallConfigurationPage.ActivitySection.action.reconcile";
 	private static final String KEY_ADD_PRESERVED = "InstallConfigurationPage.ActivitySection.action.addpreserved";

 	private TableViewer activitiesViewer;
 	private TableViewer configViewer;

 	class ActivitiesContentProvider
 		extends DefaultContentProvider
 		implements IStructuredContentProvider {
 		public Object[] getElements(Object element) {
 			return ((IInstallConfiguration) element).getActivities();
 		}
 	}

 	class ActivitiesLabelProvider extends LabelProvider implements ITableLabelProvider {
 		public Image getColumnImage(Object element, int columnIndex) {
 			if (columnIndex == 0) {
 				UpdateLabelProvider provider = UpdateUI.getDefault().getLabelProvider();
 				switch (((IActivity)element).getStatus()) {
 					case IActivity.STATUS_OK:
 						return provider.get(UpdateUIImages.DESC_OK_ST_OBJ, 0);
 					case IActivity.STATUS_NOK:
 						return provider.get(UpdateUIImages.DESC_ERR_ST_OBJ, 0);
 				}
 			}
 			return null;
 		}

 		public String getColumnText(Object element, int columnIndex) {
 			IActivity activity = (IActivity) element;
 			switch(columnIndex) {
 				case 1:
 					return Utilities.format(activity.getDate());
 				case 2:
 					return activity.getLabel();
 				case 3:
 					return getActionLabel(activity);
 			}
 			return "";
 		}

 		private String getActionLabel(IActivity activity) {
 			int action = activity.getAction();
 			switch (action) {
 				case IActivity.ACTION_CONFIGURE:
 					return UpdateUI.getString(KEY_CONFIGURE);
 				case IActivity.ACTION_FEATURE_INSTALL:
 					return UpdateUI.getString(KEY_FEATURE_INSTALL);
 				case IActivity.ACTION_FEATURE_REMOVE:
 					return UpdateUI.getString(KEY_FEATURE_REMOVE);
 				case IActivity.ACTION_SITE_INSTALL:
 					return UpdateUI.getString(KEY_SITE_INSTALL);
 				case IActivity.ACTION_SITE_REMOVE:
 					return UpdateUI.getString(KEY_SITE_REMOVE);
 				case IActivity.ACTION_UNCONFIGURE:
 					return UpdateUI.getString(KEY_UNCONFIGURE);
 				case IActivity.ACTION_REVERT:
 					return UpdateUI.getString(KEY_REVERT);
 				case IActivity.ACTION_RECONCILIATION:
 					return UpdateUI.getString(KEY_RECONCILIATION);
 				case IActivity.ACTION_ADD_PRESERVED:
 					return UpdateUI.getString(KEY_ADD_PRESERVED);
 				default:
 					return UpdateUI.getString(KEY_UNKNOWN);
 			}
 		}
 	}


 	public RevertConfigurationWizardPage() {
 		super("RevertConfiguration");
 		setTitle("Revert to a Previous Configuration");
 		setDescription("Choose a stable configuration to which you would like to revert");
 	}

 	public void createControl(Composite parent) {
 		SashForm composite = new SashForm(parent, SWT.VERTICAL);
 		composite.setLayout(new GridLayout());

 		createConfigurationsSection(composite);
 		createActivitiesSection(composite);
 		setControl(composite);

 		Object element = configViewer.getElementAt(0);
 		if (element != null)
 			configViewer.setSelection(new StructuredSelection(element));
 		Dialog.applyDialogFont(composite);
 	}

 	private void createConfigurationsSection(Composite parent) {
 		Composite tableContainer = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = layout.marginWidth = 0;
 		tableContainer.setLayout(layout);

 		Label label = new Label(tableContainer, SWT.NONE);
 		label.setText("&Past configurations:");

 		Table table = new Table(tableContainer, SWT.BORDER|SWT.V_SCROLL);
 		table.setLayoutData(new GridData(GridData.FILL_BOTH));

 		configViewer = new TableViewer(table);
 		configViewer.setLabelProvider(new LabelProvider() {
 			public Image getImage(Object element) {
 				UpdateLabelProvider provider = UpdateUI.getDefault().getLabelProvider();
 				return provider.get(UpdateUIImages.DESC_CONFIG_OBJ, 0);
 			}
 			public String getText(Object element) {
 				return Utilities.format(((IInstallConfiguration)element).getCreationDate());
 			}

 		});
 		configViewer.setContentProvider(new IStructuredContentProvider() {
 			public Object[] getElements(Object element) {
 				ArrayList result = new ArrayList();
 				ILocalSite localSite = (ILocalSite) element;
 				IInstallConfiguration current = localSite.getCurrentConfiguration();
 				long currTimeline = current.getTimeline();
 				IInstallConfiguration[] configurations =
 					localSite.getConfigurationHistory();
 				for (int i = configurations.length - 1; i >= 0; i--) {
 					if (configurations[i].getTimeline() == currTimeline
 						&& !current.equals(configurations[i])) {
 						result.add(configurations[i]);
 					}
 				}
 				return result.toArray();
 			}

 			public void dispose() {
 			}

 			public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 			}

 		});

 		configViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent e) {
 				IStructuredSelection ssel = (IStructuredSelection)e.getSelection();
 				activitiesViewer.setInput(((IInstallConfiguration)ssel.getFirstElement()));
 			}
 		});

 		configViewer.setSorter(new ViewerSorter() {
 			public int compare(Viewer viewer, Object e1, Object e2) {
 				IInstallConfiguration config1 = (IInstallConfiguration)e1;
 				IInstallConfiguration config2 = (IInstallConfiguration)e2;
 				if (config1.getCreationDate().before(config2.getCreationDate())) {
 					return 1;
 				}
 				if (config1.getCreationDate().after(config2.getCreationDate())) {
 					return -1;
 				}
 				return 0;
 			}
 		});

 		try {
 			configViewer.setInput(SiteManager.getLocalSite());
 		} catch (CoreException e1) {
 		}
 	}

 	private void createActivitiesSection(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.marginHeight = gridLayout.marginWidth = 0;
 		composite.setLayout(gridLayout);

 		GridData gd = new GridData(GridData.FILL_BOTH);
 		composite.setLayoutData(gd);

 		Label line = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL );
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd.widthHint = 1;
 		line.setLayoutData(gd);

 		Label label = new Label(composite, SWT.NONE);
 		label.setText("&Activities that caused the creation of this configuration:");

 		Table table = new Table(composite, SWT.BORDER);
 		table.setLayoutData(new GridData(GridData.FILL_VERTICAL));
 		table.setHeaderVisible(true);

 		TableColumn column = new TableColumn(table, SWT.NONE);

 		column = new TableColumn(table, SWT.NONE);
 		column.setText("Date");

 		column = new TableColumn(table, SWT.NONE);
 		column.setText("Target");

 		column = new TableColumn(table, SWT.NONE);
 		column.setText("Action");


 		TableLayout layout = new TableLayout();
 		layout.addColumnData(new ColumnWeightData(20,20,false));
 		layout.addColumnData(new ColumnWeightData(20,160,false));
 		layout.addColumnData(new ColumnWeightData(20,183,false));
 		layout.addColumnData(new ColumnWeightData(20,100,false));

 		table.setLayout(layout);

 		activitiesViewer = new TableViewer(table);
 		activitiesViewer.setLabelProvider(new ActivitiesLabelProvider());
 		activitiesViewer.setContentProvider(new ActivitiesContentProvider());
 	}

 	public boolean performFinish() {
 		Shell shell = getContainer().getShell();
 		boolean result =
 			MessageDialog.openQuestion(
 				shell,
 				shell.getText(),
 				"This operation requires restarting the workbench.  Would you like to proceed?");
 		if (!result)
 			return false;

 		boolean finish = performRevert();
 		if (finish) {
 			PlatformUI.getWorkbench().restart();
 		}
 		return finish;
 	}

 	public boolean performRevert() {

 		IStructuredSelection ssel = (IStructuredSelection) configViewer.getSelection();
 		final IInstallConfiguration target =
 			(IInstallConfiguration) ssel.getFirstElement();

 		IStatus status = UpdateManager.getValidator().validatePendingRevert(target);
 		if (status != null) {
 			ErrorDialog.openError(UpdateUI.getActiveWorkbenchShell(), null, null, status);
 			return false;
 		}

 		final boolean[] result = new boolean[] {false};
 		IRunnableWithProgress operation = new IRunnableWithProgress() {
 			public void run(IProgressMonitor monitor) {
 				boolean success = false;
 				try {
 					ILocalSite localSite = SiteManager.getLocalSite();
 					localSite.revertTo(target, monitor, new UIProblemHandler());
 					localSite.save();
 					success = true;
 				} catch (CoreException e) {
 					UpdateUI.logException(e);
 				} finally {
 					monitor.done();
 					result[0] = success;
 				}
 			}
 		};
 		try {
 			getContainer().run(false, true, operation);
 		} catch (InvocationTargetException e) {
 			UpdateUI.logException(e);
 		} catch (InterruptedException e) {
 		}
 		return result[0];
 	}


 }
	/*
	* Created on May 21, 2003
	*
	* To change this generated comment go to
	* Window>Preferences>Java>Code Generation>Code Template
	*/
	package org.eclipse.update.internal.ui.wizards;

	import java.lang.reflect.InvocationTargetException;
	import java.util.ArrayList;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.viewers.ColumnWeightData;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.ITableLabelProvider;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TableLayout;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.viewers.ViewerSorter;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.SashForm;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.update.configuration.IActivity;
	import org.eclipse.update.configuration.IInstallConfiguration;
	import org.eclipse.update.configuration.ILocalSite;
	import org.eclipse.update.core.SiteManager;
	import org.eclipse.update.core.Utilities;
	import org.eclipse.update.internal.operations.UpdateManager;
	import org.eclipse.update.internal.ui.UpdateLabelProvider;
	import org.eclipse.update.internal.ui.UpdateUI;
	import org.eclipse.update.internal.ui.UpdateUIImages;
	import org.eclipse.update.internal.ui.forms.UIProblemHandler;
	import org.eclipse.update.internal.ui.parts.DefaultContentProvider;

	public class RevertConfigurationWizardPage extends WizardPage {

	private static final String KEY_CONFIGURE = "InstallConfigurationPage.ActivitySection.action.configure";
	private static final String KEY_FEATURE_INSTALL = "InstallConfigurationPage.ActivitySection.action.featureInstall";
	private static final String KEY_FEATURE_REMOVE = "InstallConfigurationPage.ActivitySection.action.featureRemove";
	private static final String KEY_SITE_INSTALL = "InstallConfigurationPage.ActivitySection.action.siteInstall";
	private static final String KEY_SITE_REMOVE = "InstallConfigurationPage.ActivitySection.action.siteRemove";
	private static final String KEY_UNCONFIGURE = "InstallConfigurationPage.ActivitySection.action.unconfigure";
	private static final String KEY_UNKNOWN = "InstallConfigurationPage.ActivitySection.action.unknown";
	private static final String KEY_REVERT = "InstallConfigurationPage.ActivitySection.action.revert";
	private static final String KEY_RECONCILIATION = "InstallConfigurationPage.ActivitySection.action.reconcile";
	private static final String KEY_ADD_PRESERVED = "InstallConfigurationPage.ActivitySection.action.addpreserved";

	private TableViewer activitiesViewer;
	private TableViewer configViewer;

	class ActivitiesContentProvider
	extends DefaultContentProvider
	implements IStructuredContentProvider {
	public Object[] getElements(Object element) {
	return ((IInstallConfiguration) element).getActivities();
	}
	}

	class ActivitiesLabelProvider extends LabelProvider implements ITableLabelProvider {
	public Image getColumnImage(Object element, int columnIndex) {
	if (columnIndex == 0) {
	UpdateLabelProvider provider = UpdateUI.getDefault().getLabelProvider();
	switch (((IActivity)element).getStatus()) {
	case IActivity.STATUS_OK:
	return provider.get(UpdateUIImages.DESC_OK_ST_OBJ, 0);
	case IActivity.STATUS_NOK:
	return provider.get(UpdateUIImages.DESC_ERR_ST_OBJ, 0);
	}
	}
	return null;
	}

	public String getColumnText(Object element, int columnIndex) {
	IActivity activity = (IActivity) element;
	switch(columnIndex) {
	case 1:
	return Utilities.format(activity.getDate());
	case 2:
	return activity.getLabel();
	case 3:
	return getActionLabel(activity);
	}
	return "";
	}

	private String getActionLabel(IActivity activity) {
	int action = activity.getAction();
	switch (action) {
	case IActivity.ACTION_CONFIGURE:
	return UpdateUI.getString(KEY_CONFIGURE);
	case IActivity.ACTION_FEATURE_INSTALL:
	return UpdateUI.getString(KEY_FEATURE_INSTALL);
	case IActivity.ACTION_FEATURE_REMOVE:
	return UpdateUI.getString(KEY_FEATURE_REMOVE);
	case IActivity.ACTION_SITE_INSTALL:
	return UpdateUI.getString(KEY_SITE_INSTALL);
	case IActivity.ACTION_SITE_REMOVE:
	return UpdateUI.getString(KEY_SITE_REMOVE);
	case IActivity.ACTION_UNCONFIGURE:
	return UpdateUI.getString(KEY_UNCONFIGURE);
	case IActivity.ACTION_REVERT:
	return UpdateUI.getString(KEY_REVERT);
	case IActivity.ACTION_RECONCILIATION:
	return UpdateUI.getString(KEY_RECONCILIATION);
	case IActivity.ACTION_ADD_PRESERVED:
	return UpdateUI.getString(KEY_ADD_PRESERVED);
	default:
	return UpdateUI.getString(KEY_UNKNOWN);
	}
	}
	}


	public RevertConfigurationWizardPage() {
	super("RevertConfiguration");
	setTitle("Revert to a Previous Configuration");
	setDescription("Choose a stable configuration to which you would like to revert");
	}

	public void createControl(Composite parent) {
	SashForm composite = new SashForm(parent, SWT.VERTICAL);
	composite.setLayout(new GridLayout());

	createConfigurationsSection(composite);
	createActivitiesSection(composite);
	setControl(composite);

	Object element = configViewer.getElementAt(0);
	if (element != null)
	configViewer.setSelection(new StructuredSelection(element));
	Dialog.applyDialogFont(composite);
	}

	private void createConfigurationsSection(Composite parent) {
	Composite tableContainer = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = layout.marginWidth = 0;
	tableContainer.setLayout(layout);

	Label label = new Label(tableContainer, SWT.NONE);
	label.setText("&Past configurations:");

	Table table = new Table(tableContainer, SWT.BORDER\|SWT.V_SCROLL);
	table.setLayoutData(new GridData(GridData.FILL_BOTH));

	configViewer = new TableViewer(table);
	configViewer.setLabelProvider(new LabelProvider() {
	public Image getImage(Object element) {
	UpdateLabelProvider provider = UpdateUI.getDefault().getLabelProvider();
	return provider.get(UpdateUIImages.DESC_CONFIG_OBJ, 0);
	}
	public String getText(Object element) {
	return Utilities.format(((IInstallConfiguration)element).getCreationDate());
	}

	});
	configViewer.setContentProvider(new IStructuredContentProvider() {
	public Object[] getElements(Object element) {
	ArrayList result = new ArrayList();
	ILocalSite localSite = (ILocalSite) element;
	IInstallConfiguration current = localSite.getCurrentConfiguration();
	long currTimeline = current.getTimeline();
	IInstallConfiguration[] configurations =
	localSite.getConfigurationHistory();
	for (int i = configurations.length - 1; i >= 0; i--) {
	if (configurations[i].getTimeline() == currTimeline
	&& !current.equals(configurations[i])) {
	result.add(configurations[i]);
	}
	}
	return result.toArray();
	}

	public void dispose() {
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}

	});

	configViewer.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent e) {
	IStructuredSelection ssel = (IStructuredSelection)e.getSelection();
	activitiesViewer.setInput(((IInstallConfiguration)ssel.getFirstElement()));
	}
	});

	configViewer.setSorter(new ViewerSorter() {
	public int compare(Viewer viewer, Object e1, Object e2) {
	IInstallConfiguration config1 = (IInstallConfiguration)e1;
	IInstallConfiguration config2 = (IInstallConfiguration)e2;
	if (config1.getCreationDate().before(config2.getCreationDate())) {
	return 1;
	}
	if (config1.getCreationDate().after(config2.getCreationDate())) {
	return -1;
	}
	return 0;
	}
	});

	try {
	configViewer.setInput(SiteManager.getLocalSite());
	} catch (CoreException e1) {
	}
	}

	private void createActivitiesSection(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout gridLayout = new GridLayout();
	gridLayout.marginHeight = gridLayout.marginWidth = 0;
	composite.setLayout(gridLayout);

	GridData gd = new GridData(GridData.FILL_BOTH);
	composite.setLayoutData(gd);

	Label line = new Label(composite, SWT.SEPARATOR \| SWT.HORIZONTAL );
	gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.widthHint = 1;
	line.setLayoutData(gd);

	Label label = new Label(composite, SWT.NONE);
	label.setText("&Activities that caused the creation of this configuration:");

	Table table = new Table(composite, SWT.BORDER);
	table.setLayoutData(new GridData(GridData.FILL_VERTICAL));
	table.setHeaderVisible(true);

	TableColumn column = new TableColumn(table, SWT.NONE);

	column = new TableColumn(table, SWT.NONE);
	column.setText("Date");

	column = new TableColumn(table, SWT.NONE);
	column.setText("Target");

	column = new TableColumn(table, SWT.NONE);
	column.setText("Action");


	TableLayout layout = new TableLayout();
	layout.addColumnData(new ColumnWeightData(20,20,false));
	layout.addColumnData(new ColumnWeightData(20,160,false));
	layout.addColumnData(new ColumnWeightData(20,183,false));
	layout.addColumnData(new ColumnWeightData(20,100,false));

	table.setLayout(layout);

	activitiesViewer = new TableViewer(table);
	activitiesViewer.setLabelProvider(new ActivitiesLabelProvider());
	activitiesViewer.setContentProvider(new ActivitiesContentProvider());
	}

	public boolean performFinish() {
	Shell shell = getContainer().getShell();
	boolean result =
	MessageDialog.openQuestion(
	shell,
	shell.getText(),
	"This operation requires restarting the workbench. Would you like to proceed?");
	if (!result)
	return false;

	boolean finish = performRevert();
	if (finish) {
	PlatformUI.getWorkbench().restart();
	}
	return finish;
	}

	public boolean performRevert() {

	IStructuredSelection ssel = (IStructuredSelection) configViewer.getSelection();
	final IInstallConfiguration target =
	(IInstallConfiguration) ssel.getFirstElement();

	IStatus status = UpdateManager.getValidator().validatePendingRevert(target);
	if (status != null) {
	ErrorDialog.openError(UpdateUI.getActiveWorkbenchShell(), null, null, status);
	return false;
	}

	final boolean[] result = new boolean[] {false};
	IRunnableWithProgress operation = new IRunnableWithProgress() {
	public void run(IProgressMonitor monitor) {
	boolean success = false;
	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	localSite.revertTo(target, monitor, new UIProblemHandler());
	localSite.save();
	success = true;
	} catch (CoreException e) {
	UpdateUI.logException(e);
	} finally {
	monitor.done();
	result[0] = success;
	}
	}
	};
	try {
	getContainer().run(false, true, operation);
	} catch (InvocationTargetException e) {
	UpdateUI.logException(e);
	} catch (InterruptedException e) {
	}
	return result[0];
	}


	}