| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.ide.dialogs; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IProjectDescription; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.wizard.Wizard; |
| import org.eclipse.ui.ICapabilityUninstallWizard; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.actions.WorkspaceModifyOperation; |
| import org.eclipse.ui.internal.ide.IDEWorkbenchMessages; |
| |
| /** |
| * Internal workbench wizard to remove a capability |
| * from a project. Also removes prerequisite natures |
| * as specified in the <code>init</code> method. |
| * <p> |
| * This wizard is intended to be used by the |
| * <code>RemoveCapabilityStep</code> class only. |
| * </p> |
| */ |
| public class RemoveCapabilityWizard extends Wizard implements |
| ICapabilityUninstallWizard { |
| private IProject project; |
| |
| private String[] natureIds; |
| |
| /** |
| * Creates an empty wizard for removing a capability |
| * from a project. |
| */ |
| /* package */RemoveCapabilityWizard() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on ICapabilityUninstallWizard. |
| */ |
| public void init(IWorkbench workbench, IStructuredSelection selection, |
| IProject project, String[] natureIds) { |
| this.project = project; |
| this.natureIds = natureIds; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on IWizard. |
| */ |
| public boolean performFinish() { |
| return updateNatures(); |
| } |
| |
| /** |
| * Update the project natures |
| */ |
| private boolean updateNatures() { |
| // define the operation to update natures |
| WorkspaceModifyOperation op = new WorkspaceModifyOperation() { |
| protected void execute(IProgressMonitor monitor) |
| throws CoreException { |
| try { |
| IProjectDescription description = project.getDescription(); |
| String[] oldIds = description.getNatureIds(); |
| ArrayList newIds = new ArrayList(oldIds.length); |
| for (int i = 0; i < oldIds.length; i++) { |
| boolean keepNature = true; |
| for (int j = 0; j < natureIds.length; j++) { |
| if (natureIds[j].equals(oldIds[i])) { |
| keepNature = false; |
| break; |
| } |
| } |
| if (keepNature) |
| newIds.add(oldIds[i]); |
| } |
| String[] results = new String[newIds.size()]; |
| newIds.toArray(results); |
| description.setNatureIds(results); |
| project.setDescription(description, monitor); |
| } finally { |
| monitor.done(); |
| } |
| } |
| }; |
| |
| // run the update nature operation |
| try { |
| getContainer().run(true, true, op); |
| } catch (InterruptedException e) { |
| return false; |
| } catch (InvocationTargetException e) { |
| Throwable t = e.getTargetException(); |
| if (t instanceof CoreException) { |
| ErrorDialog.openError(getShell(), IDEWorkbenchMessages |
| .getString("RemoveCapabilityWizard.errorMessage"), //$NON-NLS-1$ |
| null, // no special message |
| ((CoreException) t).getStatus()); |
| } else { |
| // Unexpected runtime exceptions and errors may still occur. |
| Platform.getPlugin(PlatformUI.PLUGIN_ID).getLog().log( |
| new Status(Status.ERROR, PlatformUI.PLUGIN_ID, 0, t |
| .toString(), t)); |
| MessageDialog |
| .openError( |
| getShell(), |
| IDEWorkbenchMessages |
| .getString("RemoveCapabilityWizard.errorMessage"), //$NON-NLS-1$ |
| IDEWorkbenchMessages |
| .format( |
| "RemoveCapabilityWizard.internalError", new Object[] { t.getMessage() })); //$NON-NLS-1$ |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| } |