/*******************************************************************************
* Copyright (c) 2012 Red Hat Inc. 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:
* Red Hat Inc. - Initial Wizard and related API
*******************************************************************************/
package org.eclipse.linuxtools.internal.systemtap.ui.ide.wizards;
import java.io.ByteArrayInputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.ResourceBundle;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.linuxtools.internal.systemtap.ui.ide.IDEPerspective;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.WorkbenchException;
import org.eclipse.ui.ide.IDE;
/**
* This is a sample new wizard. Its role is to create a new file
* resource in the provided container. If the container resource
* (a folder or a project) is selected in the workspace
* when the wizard is opened, it will accept it as the target
* container. The wizard creates one file with the extension
* "mpe". If a sample multi-page editor (also available
* as a template) is registered for the same extension, it will
* be able to open it.
*/
public class StapNewWizard extends Wizard implements INewWizard {
private StapNewWizardPage page;
private ISelection selection;
private static final ResourceBundle resourceBundle = ResourceBundle.getBundle("org.eclipse.linuxtools.internal.systemtap.ui.ide.wizards.stap_strings"); //$NON-NLS-1$
/**
* Constructor for StapNewWizard.
*/
public StapNewWizard() {
super();
setNeedsProgressMonitor(true);
}
/**
* Adding the page to the wizard.
*/
@Override
public void addPages() {
page = new StapNewWizardPage(selection);
addPage(page);
}
/**
* This method is called when 'Finish' button is pressed in
* the wizard. We will create an operation and run it
* using wizard as execution context.
*/
@Override
public boolean performFinish() {
final String containerName = page.getContainerName();
final String fileName = page.getFileName();
IRunnableWithProgress op = monitor -> {
try {
doFinish(containerName, fileName, monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
} finally {
monitor.done();
}
};
try {
getContainer().run(true, false, op);
} catch (InterruptedException e) {
MessageDialog.openError(getShell(), "Error", e.getLocalizedMessage()); //$NON-NLS-1$
return false;
} catch (InvocationTargetException e) {
Throwable realException = e.getTargetException();
MessageDialog.openError(getShell(), "Error", realException.getMessage()); //$NON-NLS-1$
return false;
}
return true;
}
/**
* The worker method. It will find the container, create the
* file if missing or just replace its contents, and open
* the editor on the newly created file.
*/
private void doFinish(String containerName, String fileName, IProgressMonitor monitor) throws CoreException {
// create a .stp file
monitor.beginTask(resourceBundle.getString("StapNewWizard.BeginTask") + fileName, 2); //$NON-NLS-1$
final IContainer newResource = (IContainer) ResourcesPlugin.getWorkspace().getRoot().findMember(containerName);
final IFile newFile = newResource.getFile(new Path(fileName));
String envString = "#!/usr/bin/env stap"; //$NON-NLS-1$
newFile.create(new ByteArrayInputStream(envString.getBytes()) , true, monitor);
monitor.worked(1);
monitor.setTaskName(resourceBundle.getString("StapNewWizard.SetTask")); //$NON-NLS-1$
getShell().getDisplay().asyncExec(() -> {
try {
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getWorkbench()
.showPerspective(IDEPerspective.ID, PlatformUI.getWorkbench().getActiveWorkbenchWindow());
IDE.openEditor(page, newFile);
} catch (WorkbenchException e1) {
// ignore, the file is created but opening the editor failed
}
});
monitor.worked(1);
}
/**
* We will accept the selection in the workbench to see if
* we can initialize from it.
* @see INewWizard#init(IWorkbench, IStructuredSelection)
*/
@Override
public void init(IWorkbench workbench, IStructuredSelection selection) {
this.selection = selection;
}
}