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/*******************************************************************************
* Copyright (c) 2010, 2012 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.jpa.ui.internal.actions;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.jpt.jpa.core.JpaProject;
import org.eclipse.jpt.jpa.ui.JptJpaUiPlugin;
import org.eclipse.jpt.jpa.ui.internal.wizards.JpaMakePersistentWizard;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
public class MakePersistentAction implements IObjectActionDelegate {
private Map<IProject, List<IType>> selectedTypes;
public MakePersistentAction() {
super();
}
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
// do nothing
}
public void selectionChanged(IAction action, ISelection selection) {
// Action is contributed for IType, ICompilationUnit, IPackageFragment, and IPackageFragmentRoot that is a source folder
this.selectedTypes = this.buildSelectedTypes((StructuredSelection) selection);
}
protected Map<IProject, List<IType>> buildSelectedTypes(StructuredSelection structuredSelection) {
Map<IProject, List<IType>> types = new HashMap<IProject, List<IType>>();
for (Object selection : structuredSelection.toList()) {
switch (((IJavaElement) selection).getElementType()) {
case IJavaElement.TYPE :
addSelectedType((IType) selection, types);
break;
case IJavaElement.COMPILATION_UNIT :
addSelectedType((ICompilationUnit) selection, types);
break;
case IJavaElement.PACKAGE_FRAGMENT :
addSelectedType((IPackageFragment) selection, types);
break;
case IJavaElement.PACKAGE_FRAGMENT_ROOT :
addSelectedType((IPackageFragmentRoot) selection, types);
break;
default :
break;
}
}
return types;
}
private void addSelectedType(IPackageFragmentRoot packageFragmentRoot, Map<IProject, List<IType>> types) {
for (IJavaElement pkgFragment : getPackageFragments(packageFragmentRoot)) {
addSelectedType((IPackageFragment) pkgFragment, types);
}
}
private void addSelectedType(IPackageFragment packageFragment, Map<IProject, List<IType>> types) {
for (ICompilationUnit compUnit : getCompilationUnits(packageFragment)) {
addSelectedType(compUnit, types);
}
}
private void addSelectedType(ICompilationUnit compilationUnit, Map<IProject, List<IType>> types) {
IType primaryType = this.getPrimaryType(compilationUnit);
if (primaryType != null) {
this.addSelectedType(primaryType, types);
}
}
private void addSelectedType(IType primaryType, Map<IProject, List<IType>> typesMap) {
IProject project = primaryType.getJavaProject().getProject();
List<IType> types = typesMap.get(project);
if (types == null) {
types = new ArrayList<IType>();
typesMap.put(project, types);
}
if (!types.contains(primaryType)) {
types.add(primaryType);
}
}
private ICompilationUnit[] getCompilationUnits(IPackageFragment packageFragment) {
try {
return packageFragment.getCompilationUnits();
}
catch (JavaModelException e) {
JptJpaUiPlugin.log(e);
}
return new ICompilationUnit[0];
}
private IJavaElement[] getPackageFragments(IPackageFragmentRoot packageFragmentRoot) {
try {
return packageFragmentRoot.getChildren();
}
catch (JavaModelException e) {
JptJpaUiPlugin.log(e);
}
return new IJavaElement[0];
}
private IType getPrimaryType(ICompilationUnit compilationUnit) {
return compilationUnit.findPrimaryType();
}
public void run(IAction action) {
for (List<IType> types : this.selectedTypes.values()) {
IProject project = types.get(0).getResource().getProject();
JpaProject jpaProject = (JpaProject) project.getAdapter(JpaProject.class);
if (jpaProject != null) {
//open the wizard once for each selected project
JpaMakePersistentWizard wizard = new JpaMakePersistentWizard(jpaProject, types);
WizardDialog dialog = new WizardDialog(this.getCurrentShell(), wizard);
dialog.create();
dialog.open();
}
}
}
private Shell getCurrentShell() {
return Display.getCurrent().getActiveShell();
}
}
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