/**
* Copyright (c) 2016 committers of YAKINDU 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.sct.ui.wizards;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.common.util.URI;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
/**
*
* @author andreas muelder - Initial contribution and API
*
*/
public class ModelCreationWizardPage extends WizardNewFileCreationPage {
private final String fileExtension;
public ModelCreationWizardPage(String pageName, IStructuredSelection selection, String fileExtension) {
super(pageName, selection);
this.fileExtension = fileExtension;
}
protected String getExtension() {
return fileExtension;
}
public URI getURI() {
return URI.createPlatformResourceURI(getFilePath().toString(), false);
}
public IPath getFilePath() {
IPath path = getContainerFullPath();
if (path == null) {
path = new Path(""); //$NON-NLS-1$
}
String fileName = getFileName();
if (fileName != null) {
path = path.append(fileName);
}
return path;
}
@Override
public void createControl(Composite parent) {
super.createControl(parent);
setFileName(getUniqueFileName(getContainerFullPath(), getFileName(), getExtension()));
setPageComplete(validatePage());
}
@Override
protected boolean validatePage() {
if (!super.validatePage()) {
return false;
}
String extension = getExtension();
if (extension != null && !getFilePath().toString().endsWith("." + extension)) {
setErrorMessage(NLS.bind("file extension is not valid! The valid extension is: " + "." + fileExtension, extension));
return false;
}
return true;
}
public static String getUniqueFileName(IPath containerFullPath, String fileName, String extension) {
if (containerFullPath == null) {
containerFullPath = new Path(""); //$NON-NLS-1$
}
if (fileName == null || fileName.trim().length() == 0) {
fileName = "default"; //$NON-NLS-1$
}
IPath filePath = containerFullPath.append(fileName);
if (extension != null && !extension.equals(filePath.getFileExtension())) {
filePath = filePath.addFileExtension(extension);
}
extension = filePath.getFileExtension();
fileName = filePath.removeFileExtension().lastSegment();
int i = 1;
while (ResourcesPlugin.getWorkspace().getRoot().exists(filePath)) {
i++;
filePath = containerFullPath.append(fileName + i);
if (extension != null) {
filePath = filePath.addFileExtension(extension);
}
}
return filePath.lastSegment();
}
}