/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* 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:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
package org.reuseware.coconut.ui.internal.actions;
import java.io.IOException;
import java.net.URL;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.reuseware.coconut.compositionprogram.CompositionProgram;
import org.reuseware.coconut.compositionprogram.FragmentInstance;
import org.reuseware.coconut.compositionprogram.PhysicalCompositionProgram;
import org.reuseware.coconut.fragment.Fragment;
import org.reuseware.coconut.resource.ReuseResources;
import org.reuseware.coconut.resource.sokan.IndexConstants;
import org.reuseware.coconut.resource.util.ReuseResourcesUtil;
import org.reuseware.coconut.ui.CoCoNutUIPlugin;
import org.reuseware.coconut.ui.views.FragmentRepositoryView;
import org.reuseware.coconut.ui.views.InputDialogWithStoreSelection;
import org.reuseware.sokan.Constraint;
import org.reuseware.sokan.FacetedRequest;
import org.reuseware.sokan.IndexRow;
import org.reuseware.sokan.index.util.FacetUtil;
import org.reuseware.sokan.index.util.IndexUtil;
import org.reuseware.sokan.index.util.ResourceUtil;
/**
* Action to rename/move the selected fragment. The action attempts to rename
* diagrams associated with the fragment and to update all fragment instances in
* composition programs that refer to the fragment.
*/
public class RenameAction extends FragmentRepositoryAction {
private static ImageDescriptor artifactImage;
static {
URL url = null;
url = CoCoNutUIPlugin.getDefault().getBundle().getResource(
"icons/Move.gif");
artifactImage = ImageDescriptor.createFromURL(url);
}
/**
* Constructs a new action for the given fragment repository view.
*
* @param view the fragment repository view
*/
public RenameAction(FragmentRepositoryView view) {
super(view);
this.setText("Fragment Move/Rename...");
this.setToolTipText("Fragment Move/Rename...");
this.setImageDescriptor(artifactImage);
}
@Override
public void run() {
for (EObject element : getFragmentRepositoryView().getSelectedElements()) {
if (element instanceof Fragment) {
List<String> oldUFI = ((Fragment) element).getUFI();
URI fragmentURI = ResourceUtil.uriFrom(ResourceUtil.idFrom(oldUFI));
URI currentStoreURI = fragmentURI.trimSegments(oldUFI.size());
String oldUFIString = ResourceUtil.idString(oldUFI);
InputDialogWithStoreSelection inputDialog = new InputDialogWithStoreSelection(getFragmentRepositoryView().getSite().getShell(),
"Rename Fragment", "New Name", oldUFIString, currentStoreURI);
if (inputDialog.open() != InputDialog.OK) {
return;
}
String newUFIString = inputDialog.getValue();
List<String> newUFI = ResourceUtil.idFrom(newUFIString).getSegments();
URI newStoreURI = currentStoreURI.trimSegments(1).appendSegments(
URI.createURI(inputDialog.getSelectedStore()).segments());
if (newUFI != null) {
renameFragment(newUFI, oldUFI, newStoreURI);
}
}
}
}
private void renameFragment(List<String> newUFI, List<String> oldUFI, URI storeURI) {
ResourceSet renameResourceSet = new ResourceSetImpl();
Fragment fragment = ReuseResources.INSTANCE.getFragment(oldUFI, renameResourceSet);
renameFragmentAndDiagrams(newUFI, oldUFI, fragment, storeURI, renameResourceSet);
adjustCompositionPrograms(newUFI, oldUFI, renameResourceSet);
}
private void renameFragmentAndDiagrams(List<String> newUFI, List<String> oldUFI,
Fragment fragment, URI storeURI, ResourceSet renameResourceSet) {
if (fragment.getContents().isEmpty()) {
return;
}
URI fragmentURI = fragment.getContents().get(0).eResource().getURI();
Set<Resource> oldResources = new LinkedHashSet<Resource>();
String oldName = oldUFI.get(oldUFI.size() - 1);
String newName = newUFI.get(newUFI.size() - 1);
oldName = oldName.contains(".") ? oldName.substring(0, oldName.indexOf(".")) : oldName;
newName = newName.contains(".") ? newName.substring(0, newName.indexOf(".")) : newName;
oldResources.add(fragment.getContents().get(0).eResource());
for (EObject diagramRoot : fragment.getDiagrams()) {
oldResources.add(diagramRoot.eResource());
}
EcoreUtil.resolveAll(renameResourceSet);
for (Resource oldResource : oldResources) {
URI oldURI = oldResource.getURI();
if (oldURI.segmentCount() == fragmentURI.segmentCount()) {
URI newURI = storeURI.appendSegments(newUFI.toArray(new String[newUFI.size()]));
newURI = newURI.trimSegments(1).appendSegment(oldURI.lastSegment());
String oldResourceName = oldURI.trimFileExtension().lastSegment();
if (oldResourceName.contains(oldName)) {
String newResourceName = oldResourceName.replace(oldName, newName);
newURI = newURI.trimSegments(1).appendSegment(
newResourceName).appendFileExtension(oldURI.fileExtension());
}
Resource newResource = renameResourceSet.createResource(newURI);
newResource.getContents().addAll(oldResource.getContents());
oldResource.setModified(true);
newResource.setModified(true);
}
}
for (Resource resource : renameResourceSet.getResources()) {
if (resource.isModified()) {
if (!oldResources.contains(resource)) {
try {
resource.save(renameResourceSet.getLoadOptions());
} catch (IOException e) {
CoCoNutUIPlugin.logError("Error during rename", e);
}
}
}
}
for (Resource resource : oldResources) {
if (resource.isModified()) {
try {
resource.delete(renameResourceSet.getLoadOptions());
} catch (IOException e) {
CoCoNutUIPlugin.logError("Error during rename", e);
}
}
}
}
private void adjustCompositionPrograms(List<String> newUFI, List<String> oldUFI,
ResourceSet renameResourceSet) {
List<Constraint> constraints = FacetUtil.buildConstraints(
IndexConstants.COLUMN_INSTANTIATED_FRAGMENT,
ResourceUtil.idString(oldUFI));
FacetedRequest request = FacetUtil.buildFacetedRequest(constraints);
List<IndexRow> response = IndexUtil.INSTANCE.getIndex(request);
for (IndexRow row : response) {
Fragment cpFragment = ReuseResources.INSTANCE.getFragment(
row.getArtifactID().getSegments(), renameResourceSet);
CompositionProgram compositionProgram = ReuseResourcesUtil.getCompositionProgram(
row.getArtifactID().getSegments(), renameResourceSet);
EcoreUtil.resolveAll(renameResourceSet);
String oldName = oldUFI.get(oldUFI.size() - 1);
String newName = newUFI.get(newUFI.size() - 1);
if (compositionProgram instanceof PhysicalCompositionProgram) {
for (FragmentInstance fragmentInstance : compositionProgram.getFragmentInstances()) {
if (fragmentInstance.getUFI().equals(oldUFI)) {
fragmentInstance.getUFI().clear();
fragmentInstance.getUFI().addAll(newUFI);
if (fragmentInstance.getName().startsWith(oldName)) {
fragmentInstance.setName(newName
+ fragmentInstance.getName().substring(oldName.length()));
}
}
}
}
try {
for (EObject cpDiagramRoot : cpFragment.getDiagrams()) {
cpDiagramRoot.eResource().save(renameResourceSet.getLoadOptions());
}
compositionProgram.eResource().save(renameResourceSet.getLoadOptions());
} catch (IOException e) {
CoCoNutUIPlugin.logError("Error during rename", e);
}
}
}
}