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/*****************************************************************************
* Copyright (c) 2013, 2017 CEA LIST 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:
* CEA LIST - Initial API and implementation
* Eike Stepper (CEA) - bug 466520
*****************************************************************************/
package org.eclipse.papyrus.cdo.uml.internal.ui.importsources;
import static org.eclipse.papyrus.cdo.internal.ui.Activator.ICON_PAPYRUS_MODEL;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.explorer.CDOExplorerUtil;
import org.eclipse.emf.cdo.explorer.checkouts.CDOCheckout;
import org.eclipse.emf.cdo.explorer.checkouts.CDOCheckoutManager;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.cdo.internal.core.CDOUtils;
import org.eclipse.papyrus.cdo.internal.ui.SharedImages;
import org.eclipse.papyrus.cdo.internal.ui.views.DIModel;
import org.eclipse.papyrus.cdo.internal.ui.views.CheckoutItemProvider;
import org.eclipse.papyrus.cdo.uml.internal.ui.Activator;
import org.eclipse.papyrus.cdo.uml.internal.ui.l10n.Messages;
import org.eclipse.papyrus.infra.widgets.providers.DelegatingLabelProvider;
import org.eclipse.papyrus.infra.widgets.providers.IStaticContentProvider;
import org.eclipse.papyrus.infra.widgets.providers.StaticContentProvider;
import org.eclipse.papyrus.uml.tools.importsources.AbstractPackageImportSource;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.UMLPackage;
import com.google.common.collect.Ordering;
/**
* This is the CDOPackageImportSource type. Enjoy.
*/
public class CDOPackageImportSource extends AbstractPackageImportSource {
private List<CDOCheckout> availableRepos;
private CheckoutItemProvider itemProvider;
public CDOPackageImportSource() {
super();
}
@Override
public boolean canImportInto(Collection<?> selection) {
boolean result = super.canImportInto(selection);
if (result) {
Package package_ = getPackage(selection);
result = CDOUtils.isCDOObject(package_);
}
return result;
}
@Override
public void initialize(Collection<?> selection) {
availableRepos = new java.util.ArrayList<CDOCheckout>();
for (CDOCheckout next : CDOExplorerUtil.getCheckoutManager().getCheckouts()) {
if (next.isOpen()) {
availableRepos.add(next);
}
}
itemProvider = new CheckoutItemProvider(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
}
@Override
public void dispose() {
availableRepos = null;
itemProvider = null;
super.dispose();
}
@Override
protected IStaticContentProvider createModelHierarchyContentProvider(Map<String, String> extensionFilters) {
return new CDOContent();
}
@Override
protected ILabelProvider createModelHierarchyLabelProvider() {
return new DelegatingLabelProvider(itemProvider) {
@Override
protected Image customGetImage(Object element) {
Image result = null;
if (element == CDOPackageImportSource.this) {
result = SharedImages.getImage(ICON_PAPYRUS_MODEL);
}
return result;
}
@Override
protected String customGetText(Object element) {
String result = null;
if (element == CDOPackageImportSource.this) {
result = Messages.CDOPackageImportSource_0;
}
return result;
}
};
}
protected CDOResource getCDOResource(Object model) {
CDOResource result = null;
if (model instanceof CDOResource) {
result = (CDOResource) model;
} else if (model instanceof IAdaptable) {
result = (CDOResource) ((IAdaptable) model).getAdapter(CDOResource.class);
}
return result;
}
@Override
protected void validateSelection(Object model) throws CoreException {
CDOResource cdo = getCDOResource(model);
if (cdo == null) {
throw new CoreException(new Status(IStatus.WARNING, Activator.PLUGIN_ID, NLS.bind(Messages.CDOPackageImportSource_1, getText(model))));
}
super.validateSelection(model);
}
@Override
public List<Package> getPackages(ResourceSet resourceSet, Object model) throws CoreException {
List<Package> result;
if (model instanceof DIModel) {
result = new java.util.ArrayList<Package>(3);
for (Object next : ((DIModel) model).getChildren()) {
if (next instanceof Resource) {
result.addAll(EcoreUtil.<Package> getObjectsByType(((Resource) next).getContents(), UMLPackage.Literals.PACKAGE));
}
}
} else {
result = super.getPackages(resourceSet, getCDOResource(model));
}
return result;
}
//
// Nested types
//
private class CDOContent extends StaticContentProvider implements ITreeContentProvider {
private final Ordering<Object> sorter = new Ordering<Object>() {
@Override
public int compare(Object left, Object right) {
String leftLabel = getText(left);
String rightLabel = getText(right);
return Ordering.natural().compare(leftLabel, rightLabel);
}
};
CDOContent() {
super(availableRepos.toArray());
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
CDOCheckoutManager repoMan = CDOExplorerUtil.getCheckoutManager();
if (newInput == null) {
itemProvider.inputChanged(viewer, repoMan, null);
super.inputChanged(viewer, repoMan, null);
} else {
// substitute the repository manager as the input element
itemProvider.inputChanged(viewer, null, repoMan);
// prime the internal nodes for the repositories
itemProvider.getElements(repoMan);
super.inputChanged(viewer, null, repoMan);
}
}
@Override
public Object getParent(Object element) {
return itemProvider.getParent(element);
}
@Override
public boolean hasChildren(Object element) {
return itemProvider.hasChildren(element);
}
@Override
public Object[] getChildren(Object parentElement) {
Object[] result = itemProvider.getChildren(parentElement);
Arrays.sort(result, sorter);
return result;
}
}
}
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