| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.update.internal.ui.views; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.update.internal.core.InstallRegistry; |
| import org.eclipse.update.internal.operations.UpdateUtils; |
| import org.eclipse.update.internal.ui.UpdateUI; |
| import org.eclipse.update.internal.ui.UpdateUIMessages; |
| import org.eclipse.update.internal.ui.model.ConfiguredFeatureAdapter; |
| import org.eclipse.update.operations.IFeatureOperation; |
| import org.eclipse.update.operations.IOperation; |
| import org.eclipse.update.operations.OperationsManager; |
| |
| public class UninstallFeatureAction extends FeatureAction { |
| |
| private ConfiguredFeatureAdapter adapter; |
| |
| public UninstallFeatureAction(Shell shell, String text) { |
| super(shell, text); |
| setWindowTitle(UpdateUIMessages.FeatureUninstallAction_dialogTitle); |
| } |
| |
| public void run() { |
| try { |
| IStatus status = OperationsManager.getValidator().validatePlatformConfigValid(); |
| if (status != null) |
| throw new CoreException(status); |
| |
| if (adapter == null || !confirm(UpdateUIMessages.FeatureUninstallAction_uninstallQuestion)) |
| return; |
| |
| // If current config is broken, confirm with the user to continue |
| if (OperationsManager.getValidator().validateCurrentState() != null && |
| !confirm(UpdateUIMessages.Actions_brokenConfigQuestion)) |
| return; |
| |
| IOperation uninstallOperation = |
| OperationsManager |
| .getOperationFactory() |
| .createUninstallOperation( |
| adapter.getConfiguredSite(), |
| adapter.getFeature(null)); |
| |
| boolean restartNeeded = uninstallOperation.execute(null, null); |
| UpdateUI.requestRestart(restartNeeded); |
| |
| } catch (CoreException e) { |
| ErrorDialog.openError(shell, null, null, e.getStatus()); |
| } catch (InvocationTargetException e) { |
| // This should not happen |
| UpdateUtils.logException(e.getTargetException()); |
| } |
| } |
| |
| |
| |
| public void setSelection(IStructuredSelection selection) { |
| |
| this.adapter = (ConfiguredFeatureAdapter) selection.getFirstElement(); |
| setText(UpdateUIMessages.FeatureUninstallAction_uninstall); |
| } |
| |
| public boolean canExecuteAction() { |
| if (adapter == null) |
| return false; |
| |
| if (adapter.isConfigured()) |
| return false; |
| |
| try { |
| // check for pending changes (e.g. if the feature has just been disabled) |
| IFeatureOperation pendingOperation = OperationsManager.findPendingOperation(adapter.getFeature(null)); |
| if (pendingOperation != null) |
| return false; |
| |
| if (InstallRegistry.getInstance().get("feature_"+adapter.getFeature(null).getVersionedIdentifier()) == null) //$NON-NLS-1$ |
| return false; |
| } catch (CoreException e) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |