| /******************************************************************************* |
| * Copyright (c) 2016 Obeo |
| * 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: |
| * Obeo - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.emf.ecoretools.design.ui.wizard.pages; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IWorkspace; |
| 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.dialogs.IMessageProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.dialogs.WizardNewFileCreationPage; |
| |
| /** |
| * Wizard page to pick (and create if needed) a .aird file. |
| * |
| * @author Cedric Brun <cedric.brun@obeo.fr> |
| */ |
| public class SelectAirdWizardPage extends WizardNewFileCreationPage { |
| |
| private final String fileExtension; |
| |
| private IFile selectedFile; |
| |
| /** |
| * Default Constructor to the wizard for session resource creation. |
| * |
| * @param pageName |
| * the page name. |
| * @param selection |
| * the selection |
| * @param fileExtension |
| * the file extension |
| */ |
| public SelectAirdWizardPage(final String pageName, final IStructuredSelection selection, |
| final String fileExtension) { |
| super(pageName, selection); |
| this.fileExtension = fileExtension; |
| if (selection.getFirstElement() instanceof IFile) { |
| selectedFile = (IFile) selection.getFirstElement(); |
| } |
| setAllowExistingResources(true); |
| } |
| |
| /** |
| * |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#createControl(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| public void createControl(final Composite parent) { |
| super.createControl(parent); |
| setFileName(getDefaultFileName() + "." + getExtension()); |
| setPageComplete(validatePage()); |
| setErrorMessage(null); |
| setMessage(null); |
| |
| } |
| |
| /** |
| * Get the default file name. |
| * |
| * @return the default file name |
| */ |
| public String getDefaultFileName() { |
| if (selectedFile != null && selectedFile.getFullPath().removeFileExtension().lastSegment() != null) { |
| final String name = selectedFile.getFullPath().removeFileExtension().lastSegment(); |
| return name; |
| } |
| return getNoselectionFileName(); |
| } |
| |
| /** |
| * Get the file extension. Override to create files with this extension. |
| * |
| * @return the file extension |
| */ |
| protected String getExtension() { |
| return fileExtension; |
| } |
| |
| /** |
| * Get the file path. |
| * |
| * @return the file path |
| */ |
| protected IPath getFilePath() { |
| IPath path = getContainerFullPath(); |
| if (path == null) { |
| path = new Path(""); //$NON-NLS-1$ |
| } |
| final String fileName = getFileName(); |
| if (fileName != null) { |
| path = path.append(fileName); |
| } |
| return path; |
| } |
| |
| /** |
| * Get the default file name to use when there is no selected file. |
| * |
| * @return the default file name to use when there is no selected file. |
| */ |
| protected String getNoselectionFileName() { |
| return "representations"; |
| } |
| |
| /** |
| * Get the URI. |
| * |
| * @return the URI |
| */ |
| public URI getURI() { |
| return URI.createPlatformResourceURI(getFilePath().toString(), true); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.ui.dialogs.WizardNewFileCreationPage#validatePage() |
| */ |
| @Override |
| protected boolean validatePage() { |
| boolean result = true; |
| if (!super.validatePage()) { |
| return false; |
| } |
| |
| /* |
| * we don't want a warning if the file already exists, just an info. |
| */ |
| IPath resourcePath = getContainerFullPath().append(getFileName()); |
| IWorkspace workspace = ResourcesPlugin.getWorkspace(); |
| if (workspace.getRoot().getFile(resourcePath).exists()) { |
| setMessage("The representation will be added in the file.", IMessageProvider.INFORMATION); |
| } else { |
| setMessage("A new file will be created to store the representation.", IMessageProvider.INFORMATION); |
| } |
| // Validate that entered extension is the expected one. |
| final String extension = getExtension(); |
| if (extension != null && !getFilePath().toString().endsWith("." + extension)) { |
| setErrorMessage("The file extension is wrong. It should be " + extension); |
| result = false; |
| } |
| return result; |
| } |
| } |