/******************************************************************************* | |
* Copyright (c) 2016 Fundación Tecnalia Research & Innovation. | |
* | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html | |
* | |
* SPDX-License-Identifier: EPL-2.0 | |
* | |
* Contributors: | |
* Huascar Espinoza - initial API and implementation | |
* Alejandra Ruíz - initial API and implementation | |
* Idoya Del Río - initial API and implementation | |
* Mari Carmen Palacios - initial API and implementation | |
* Angel López - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.opencert.sam.arg.arg.diagram.navigator; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.HashMap; | |
import org.eclipse.core.resources.IFile; | |
import org.eclipse.emf.common.util.URI; | |
import org.eclipse.emf.ecore.EObject; | |
import org.eclipse.emf.ecore.resource.Resource; | |
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; | |
import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; | |
import org.eclipse.emf.transaction.TransactionalEditingDomain; | |
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer; | |
import org.eclipse.gmf.runtime.emf.core.GMFEditingDomainFactory; | |
import org.eclipse.jface.viewers.Viewer; | |
import org.eclipse.ui.IMemento; | |
import org.eclipse.ui.navigator.ICommonContentExtensionSite; | |
import org.eclipse.ui.navigator.ICommonContentProvider; | |
import org.eclipse.opencert.sam.arg.arg.diagram.part.ArgDiagramEditorPlugin; | |
/** | |
* @generated | |
*/ | |
public class ArgDomainNavigatorContentProvider implements | |
ICommonContentProvider { | |
/** | |
* @generated | |
*/ | |
private AdapterFactoryContentProvider myAdapterFctoryContentProvier; | |
/** | |
* @generated | |
*/ | |
private static final Object[] EMPTY_ARRAY = new Object[0]; | |
/** | |
* @generated | |
*/ | |
private Viewer myViewer; | |
/** | |
* @generated | |
*/ | |
private AdapterFactoryEditingDomain myEditingDomain; | |
/** | |
* @generated | |
*/ | |
private WorkspaceSynchronizer myWorkspaceSynchronizer; | |
/** | |
* @generated | |
*/ | |
private Runnable myViewerRefreshRunnable; | |
/** | |
* @generated | |
*/ | |
public ArgDomainNavigatorContentProvider() { | |
myAdapterFctoryContentProvier = new AdapterFactoryContentProvider( | |
ArgDiagramEditorPlugin.getInstance() | |
.getItemProvidersAdapterFactory()); | |
TransactionalEditingDomain editingDomain = GMFEditingDomainFactory.INSTANCE | |
.createEditingDomain(); | |
myEditingDomain = (AdapterFactoryEditingDomain) editingDomain; | |
myEditingDomain.setResourceToReadOnlyMap(new HashMap() { | |
public Object get(Object key) { | |
if (!containsKey(key)) { | |
put(key, Boolean.TRUE); | |
} | |
return super.get(key); | |
} | |
}); | |
myViewerRefreshRunnable = new Runnable() { | |
public void run() { | |
if (myViewer != null) { | |
myViewer.refresh(); | |
} | |
} | |
}; | |
myWorkspaceSynchronizer = new WorkspaceSynchronizer(editingDomain, | |
new WorkspaceSynchronizer.Delegate() { | |
public void dispose() { | |
} | |
public boolean handleResourceChanged(final Resource resource) { | |
unloadAllResources(); | |
asyncRefresh(); | |
return true; | |
} | |
public boolean handleResourceDeleted(Resource resource) { | |
unloadAllResources(); | |
asyncRefresh(); | |
return true; | |
} | |
public boolean handleResourceMoved(Resource resource, | |
final URI newURI) { | |
unloadAllResources(); | |
asyncRefresh(); | |
return true; | |
} | |
}); | |
} | |
/** | |
* @generated | |
*/ | |
public void dispose() { | |
myWorkspaceSynchronizer.dispose(); | |
myWorkspaceSynchronizer = null; | |
myViewerRefreshRunnable = null; | |
myViewer = null; | |
unloadAllResources(); | |
((TransactionalEditingDomain) myEditingDomain).dispose(); | |
myEditingDomain = null; | |
} | |
/** | |
* @generated | |
*/ | |
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
myViewer = viewer; | |
} | |
/** | |
* @generated | |
*/ | |
void unloadAllResources() { | |
for (Resource nextResource : myEditingDomain.getResourceSet() | |
.getResources()) { | |
nextResource.unload(); | |
} | |
} | |
/** | |
* @generated | |
*/ | |
void asyncRefresh() { | |
if (myViewer != null && !myViewer.getControl().isDisposed()) { | |
myViewer.getControl().getDisplay() | |
.asyncExec(myViewerRefreshRunnable); | |
} | |
} | |
/** | |
* @generated | |
*/ | |
public Object[] getElements(Object inputElement) { | |
return getChildren(inputElement); | |
} | |
/** | |
* @generated | |
*/ | |
public void restoreState(IMemento aMemento) { | |
} | |
/** | |
* @generated | |
*/ | |
public void saveState(IMemento aMemento) { | |
} | |
/** | |
* @generated | |
*/ | |
public void init(ICommonContentExtensionSite aConfig) { | |
} | |
/** | |
* @generated | |
*/ | |
public Object[] getChildren(Object parentElement) { | |
if (parentElement instanceof IFile) { | |
IFile file = (IFile) parentElement; | |
URI fileURI = URI.createPlatformResourceURI(file.getFullPath() | |
.toString(), true); | |
Resource resource = myEditingDomain.getResourceSet().getResource( | |
fileURI, true); | |
return wrapEObjects( | |
myAdapterFctoryContentProvier.getChildren(resource), | |
parentElement); | |
} | |
if (parentElement instanceof ArgDomainNavigatorItem) { | |
return wrapEObjects( | |
myAdapterFctoryContentProvier.getChildren(((ArgDomainNavigatorItem) parentElement) | |
.getEObject()), parentElement); | |
} | |
return EMPTY_ARRAY; | |
} | |
/** | |
* @generated | |
*/ | |
public Object[] wrapEObjects(Object[] objects, Object parentElement) { | |
Collection result = new ArrayList(); | |
for (int i = 0; i < objects.length; i++) { | |
if (objects[i] instanceof EObject) { | |
result.add(new ArgDomainNavigatorItem((EObject) objects[i], | |
parentElement, myAdapterFctoryContentProvier)); | |
} | |
} | |
return result.toArray(); | |
} | |
/** | |
* @generated | |
*/ | |
public Object getParent(Object element) { | |
if (element instanceof ArgAbstractNavigatorItem) { | |
ArgAbstractNavigatorItem abstractNavigatorItem = (ArgAbstractNavigatorItem) element; | |
return abstractNavigatorItem.getParent(); | |
} | |
return null; | |
} | |
/** | |
* @generated | |
*/ | |
public boolean hasChildren(Object element) { | |
return element instanceof IFile || getChildren(element).length > 0; | |
} | |
} |