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/*******************************************************************************
* Copyright (c) 2008, 2010 Oracle.
* 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:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.ui.internal.wizards.orm;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.core.context.JpaContextNode;
import org.eclipse.jpt.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.core.internal.operations.OrmFileCreationDataModelProperties;
import org.eclipse.jpt.core.internal.operations.OrmFileCreationDataModelProvider;
import org.eclipse.jpt.core.internal.utility.jdt.JDTTools;
import org.eclipse.jpt.ui.JptUiPlugin;
import org.eclipse.jpt.ui.internal.JptUiIcons;
import org.eclipse.jpt.ui.internal.JptUiMessages;
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.ide.IDE;
import org.eclipse.wst.common.frameworks.datamodel.DataModelPropertyDescriptor;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.eclipse.wst.common.frameworks.datamodel.IDataModelProvider;
import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizard;
public class MappingFileWizard extends DataModelWizard
implements INewWizard
{
private MappingFileWizardPage page;
public MappingFileWizard() {
this(null);
}
public MappingFileWizard(IDataModel dataModel) {
super(dataModel);
setWindowTitle(JptUiMessages.MappingFileWizard_title);
setDefaultPageImageDescriptor(JptUiPlugin.getImageDescriptor(JptUiIcons.JPA_FILE_WIZ_BANNER));
}
@Override
protected void doAddPages() {
super.doAddPages();
page = buildMappingFileWizardPage();
addPage(page);
}
protected MappingFileWizardPage buildMappingFileWizardPage() {
return new MappingFileWizardPage(getDataModel(), "Page_1");
}
@Override
protected IDataModelProvider getDefaultProvider() {
return new OrmFileCreationDataModelProvider();
}
public void init(IWorkbench workbench, IStructuredSelection selection) {
// check for project, source folder, persistence unit?
if (selection == null || selection.isEmpty()) {
return;
}
Object firstSelection = selection.getFirstElement();
PersistenceUnit pUnit = extractPersistenceUnit(firstSelection);
IFolder sourceFolder = extractSourceFolder(pUnit, firstSelection);
IProject project = extractProject(pUnit, sourceFolder, firstSelection);
if (project != null) {
getDataModel().setStringProperty(OrmFileCreationDataModelProperties.PROJECT_NAME, project.getName());
}
if (sourceFolder != null) {
getDataModel().setStringProperty(OrmFileCreationDataModelProperties.SOURCE_FOLDER, sourceFolder.getFullPath().toPortableString());
}
if (pUnit != null) {
getDataModel().setBooleanProperty(OrmFileCreationDataModelProperties.ADD_TO_PERSISTENCE_UNIT, true);
getDataModel().setStringProperty(OrmFileCreationDataModelProperties.PERSISTENCE_UNIT, pUnit.getName());
}
}
private PersistenceUnit extractPersistenceUnit(Object selection) {
if (selection instanceof PersistenceUnit) {
return (PersistenceUnit) selection;
}
PersistenceUnit pUnit = null;
if (selection instanceof JpaContextNode) {
try {
pUnit = ((JpaContextNode) selection).getPersistenceUnit();
}
catch (Exception e) { /* do nothing, just continue */ }
}
if (pUnit == null && selection instanceof IAdaptable) {
pUnit = (PersistenceUnit) ((IAdaptable) selection).getAdapter(PersistenceUnit.class);
}
return pUnit;
}
private IFolder extractSourceFolder(PersistenceUnit pUnit, Object selection) {
IJavaProject javaProject = null;
IFolder srcFolder = null;
if (pUnit != null) {
javaProject = pUnit.getJpaProject().getJavaProject();
srcFolder = findSourceFolder(javaProject, pUnit.getResource());
if (srcFolder != null) {
return srcFolder;
}
}
if (selection instanceof IResource) {
javaProject = JavaCore.create(((IResource) selection).getProject());
if (javaProject.exists()) {
srcFolder = findSourceFolder(javaProject, (IResource) selection);
if (srcFolder != null) {
return srcFolder;
}
}
}
if (selection instanceof IAdaptable) {
IResource resource = (IResource) ((IAdaptable) selection).getAdapter(IResource.class);
if (resource != null) {
javaProject = JavaCore.create((resource).getProject());
if (javaProject.exists()) {
srcFolder = findSourceFolder(javaProject, resource);
if (srcFolder != null) {
return srcFolder;
}
}
}
}
return null;
}
private IFolder findSourceFolder(IJavaProject javaProject, IResource resource) {
if (JptCorePlugin.getJpaProject(javaProject.getProject()) == null) {
// not even a jpa project
return null;
}
while (resource != null && ! (resource instanceof IFolder)) {
resource = resource.getParent();
}
if (resource == null) {
return null;
}
IFolder folder = (IFolder) resource;
try {
IPackageFragmentRoot packageFragmentRoot = null;
while (packageFragmentRoot == null && folder != null) {
packageFragmentRoot = javaProject.findPackageFragmentRoot(folder.getFullPath());
if (packageFragmentRoot == null) {
IPackageFragment packageFragment = javaProject.findPackageFragment(folder.getFullPath());
if (packageFragment != null) {
packageFragmentRoot = (IPackageFragmentRoot) packageFragment.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
}
}
if (packageFragmentRoot == null) {
try {
folder = (IFolder) folder.getParent();
}
catch (ClassCastException cce) {
folder = null;
}
}
}
if (packageFragmentRoot == null) {
return null;
}
if (JDTTools.packageFragmentRootIsSourceFolder(packageFragmentRoot)) {
return (IFolder) packageFragmentRoot.getResource();
}
}
catch (JavaModelException jme) { /* do nothing, return null */ }
return null;
}
private IProject extractProject(PersistenceUnit pUnit, IFolder sourceFolder, Object selection) {
if (pUnit != null) {
return pUnit.getJpaProject().getProject();
}
if (sourceFolder != null) {
return sourceFolder.getProject();
}
IProject project = null;
if (selection instanceof IResource) {
project = ((IResource) selection).getProject();
}
if (project == null && selection instanceof IJavaElement) {
project = ((IJavaElement) selection).getJavaProject().getProject();
}
if (project == null && selection instanceof JpaContextNode) {
project = ((JpaContextNode) selection).getJpaProject().getProject();
}
if (project == null && selection instanceof IAdaptable) {
project = (IProject) ((IAdaptable) selection).getAdapter(IProject.class);
if (project == null) {
IResource resource = (IResource) ((IAdaptable) selection).getAdapter(IResource.class);
if (resource != null) {
project = resource.getProject();
}
}
if (project == null) {
IJavaElement javaElement = (IJavaElement) ((IAdaptable) selection).getAdapter(IJavaElement.class);
if (javaElement != null) {
project = javaElement.getJavaProject().getProject();
}
}
}
if (project != null) {
for (DataModelPropertyDescriptor descriptor :
getDataModel().getValidPropertyDescriptors(OrmFileCreationDataModelProperties.PROJECT_NAME)) {
if (descriptor.getPropertyDescription().equals(project.getName())) {
return project;
}
}
}
return null;
}
@Override
protected void postPerformFinish() throws InvocationTargetException {
try {
String projectName = (String) getDataModel().getProperty(OrmFileCreationDataModelProperties.PROJECT_NAME);
IProject project = ProjectUtilities.getProject(projectName);
String sourceFolder = getDataModel().getStringProperty(OrmFileCreationDataModelProperties.SOURCE_FOLDER);
String filePath = getDataModel().getStringProperty(OrmFileCreationDataModelProperties.FILE_PATH);
IFile file = project.getWorkspace().getRoot().getFile(new Path(sourceFolder).append(filePath));
openEditor(file);
}
catch (Exception cantOpen) {
throw new InvocationTargetException(cantOpen);
}
}
private void openEditor(final IFile file) {
if (file != null) {
getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
try {
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IDE.openEditor(page, file, true);
}
catch (PartInitException e) {
JptUiPlugin.log(e);
}
}
});
}
}
}
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