/*******************************************************************************
* Copyright (c) 2009 Red Hat, Inc.
* 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 - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.valgrind.ui.editor.wizards;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.linuxtools.internal.valgrind.ui.editor.ValgrindEditorPlugin;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.plugin.AbstractUIPlugin;
/**
* 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 NewSuppressionWizard extends Wizard implements INewWizard {
private static final String EXT_SUPP = "supp"; //$NON-NLS-1$
private WizardNewFileCreationPage page;
private IStructuredSelection selection;
/**
* Constructor for NewSuppressionWizard.
*/
public NewSuppressionWizard() {
super();
setNeedsProgressMonitor(true);
}
/**
* Adding the page to the wizard.
*/
@Override
public void addPages() {
page = new WizardNewFileCreationPage("newSuppressionPage", selection); //$NON-NLS-1$
page.setTitle(Messages.getString("NewSuppressionWizard.NewWizard_title")); //$NON-NLS-1$
page.setDescription(Messages.getString("NewSuppressionWizard.NewWizard_description")); //$NON-NLS-1$
page.setImageDescriptor(AbstractUIPlugin.imageDescriptorFromPlugin(ValgrindEditorPlugin.PLUGIN_ID, "icons/newsupp_wiz.png")); //$NON-NLS-1$
page.setFileExtension(EXT_SUPP);
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.getContainerFullPath().toOSString();
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) {
return false;
} catch (InvocationTargetException e) {
Throwable realException = e.getTargetException();
MessageDialog.openError(getShell(), Messages.getString("NewSuppressionWizard.performFinish_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 sample file
monitor.beginTask(NLS.bind(Messages.getString("NewSuppressionWizard.Creating_task"), fileName), 2); //$NON-NLS-1$
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IResource resource = root.findMember(new Path(containerName));
if (!resource.exists() || !(resource instanceof IContainer)) {
throwCoreException(NLS.bind(Messages.getString("NewSuppressionWizard.Container_not_exist_error"), containerName)); //$NON-NLS-1$
}
IContainer container = (IContainer) resource;
final IFile file = container.getFile(new Path(fileName));
try (InputStream stream = openContentStream()){
if (file.exists()) {
file.setContents(stream, true, true, monitor);
} else {
file.create(stream, true, monitor);
}
} catch (IOException e) {
}
monitor.worked(1);
monitor.setTaskName(Messages.getString("NewSuppressionWizard.Opening_file_task")); //$NON-NLS-1$
getShell().getDisplay().asyncExec(() -> {
IWorkbenchPage page =
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
try {
IDE.openEditor(page, file, true);
} catch (PartInitException e) {
}
});
monitor.worked(1);
}
/**
* We will initialize file contents with a sample text.
*/
private InputStream openContentStream() {
return new ByteArrayInputStream("{\n\t\n}".getBytes());
}
private void throwCoreException(String message) throws CoreException {
IStatus status =
new Status(IStatus.ERROR, ValgrindEditorPlugin.PLUGIN_ID, IStatus.OK, message, null);
throw new CoreException(status);
}
/**
* We will accept the selection in the workbench to see if
* we can initialize from it.
* @see org.eclipse.ui.IWorkbenchWizard#init(IWorkbench, IStructuredSelection)
*/
@Override
public void init(IWorkbench workbench, IStructuredSelection selection) {
this.selection = selection;
}
}