/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
*
* 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:
* Saadia Dhouib saadia.dhouib@cea.fr
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.communication.navigator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
import org.eclipse.gmf.runtime.emf.core.GMFEditingDomainFactory;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.papyrus.uml.diagram.communication.edit.parts.ModelEditPart;
import org.eclipse.papyrus.uml.diagram.communication.part.UMLVisualIDRegistry;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
import org.eclipse.ui.navigator.ICommonContentProvider;
/**
* @generated
*/
public class UMLNavigatorContentProvider implements ICommonContentProvider {
/**
* @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
*/
@SuppressWarnings({ "unchecked", "serial", "rawtypes" })
public UMLNavigatorContentProvider() {
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) {
for(Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) {
Resource nextResource = (Resource)it.next();
nextResource.unload();
}
if(myViewer != null) {
myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable);
}
return true;
}
public boolean handleResourceDeleted(Resource resource) {
for(Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) {
Resource nextResource = (Resource)it.next();
nextResource.unload();
}
if(myViewer != null) {
myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable);
}
return true;
}
public boolean handleResourceMoved(Resource resource, final URI newURI) {
for(Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) {
Resource nextResource = (Resource)it.next();
nextResource.unload();
}
if(myViewer != null) {
myViewer.getControl().getDisplay().asyncExec(myViewerRefreshRunnable);
}
return true;
}
});
}
/**
* @generated
*/
public void dispose() {
myWorkspaceSynchronizer.dispose();
myWorkspaceSynchronizer = null;
myViewerRefreshRunnable = null;
for(Iterator it = myEditingDomain.getResourceSet().getResources().iterator(); it.hasNext();) {
Resource resource = (Resource)it.next();
resource.unload();
}
((TransactionalEditingDomain)myEditingDomain).dispose();
myEditingDomain = null;
}
/**
* @generated
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
myViewer = viewer;
}
/**
* @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);
Collection result = new ArrayList();
return result.toArray();
}
if(parentElement instanceof UMLNavigatorGroup) {
UMLNavigatorGroup group = (UMLNavigatorGroup)parentElement;
return group.getChildren();
}
if(parentElement instanceof UMLNavigatorItem) {
UMLNavigatorItem navigatorItem = (UMLNavigatorItem)parentElement;
if(navigatorItem.isLeaf() || !isOwnView(navigatorItem.getView())) {
return EMPTY_ARRAY;
}
return getViewChildren(navigatorItem.getView(), parentElement);
}
return EMPTY_ARRAY;
}
/**
* @generated
*/
private Object[] getViewChildren(View view, Object parentElement) {
switch(UMLVisualIDRegistry.getVisualID(view)) {
}
return EMPTY_ARRAY;
}
/**
* @generated
*/
private Collection getLinksSourceByType(Collection edges, String type) {
Collection result = new ArrayList();
for(Iterator it = edges.iterator(); it.hasNext();) {
Edge nextEdge = (Edge)it.next();
View nextEdgeSource = nextEdge.getSource();
if(type.equals(nextEdgeSource.getType()) && isOwnView(nextEdgeSource)) {
result.add(nextEdgeSource);
}
}
return result;
}
/**
* @generated
*/
private Collection getLinksTargetByType(Collection edges, String type) {
Collection result = new ArrayList();
for(Iterator it = edges.iterator(); it.hasNext();) {
Edge nextEdge = (Edge)it.next();
View nextEdgeTarget = nextEdge.getTarget();
if(type.equals(nextEdgeTarget.getType()) && isOwnView(nextEdgeTarget)) {
result.add(nextEdgeTarget);
}
}
return result;
}
/**
* @generated
*/
private Collection getOutgoingLinksByType(Collection nodes, String type) {
Collection result = new ArrayList();
for(Iterator it = nodes.iterator(); it.hasNext();) {
View nextNode = (View)it.next();
result.addAll(selectViewsByType(nextNode.getSourceEdges(), type));
}
return result;
}
/**
* @generated
*/
private Collection getIncomingLinksByType(Collection nodes, String type) {
Collection result = new ArrayList();
for(Iterator it = nodes.iterator(); it.hasNext();) {
View nextNode = (View)it.next();
result.addAll(selectViewsByType(nextNode.getTargetEdges(), type));
}
return result;
}
/**
* @generated
*/
private Collection getChildrenByType(Collection nodes, String type) {
Collection result = new ArrayList();
for(Iterator it = nodes.iterator(); it.hasNext();) {
View nextNode = (View)it.next();
result.addAll(selectViewsByType(nextNode.getChildren(), type));
}
return result;
}
/**
* @generated
*/
private Collection getDiagramLinksByType(Collection diagrams, String type) {
Collection result = new ArrayList();
for(Iterator it = diagrams.iterator(); it.hasNext();) {
Diagram nextDiagram = (Diagram)it.next();
result.addAll(selectViewsByType(nextDiagram.getEdges(), type));
}
return result;
}
/**
* @generated
*/
private Collection selectViewsByType(Collection views, String type) {
Collection result = new ArrayList();
for(Iterator it = views.iterator(); it.hasNext();) {
View nextView = (View)it.next();
if(type.equals(nextView.getType()) && isOwnView(nextView)) {
result.add(nextView);
}
}
return result;
}
/**
* @generated
*/
private boolean isOwnView(View view) {
return ModelEditPart.MODEL_ID.equals(UMLVisualIDRegistry.getModelID(view));
}
/**
* @generated
*/
private Collection createNavigatorItems(Collection views, Object parent, boolean isLeafs) {
Collection result = new ArrayList();
for(Iterator it = views.iterator(); it.hasNext();) {
result.add(new UMLNavigatorItem((View)it.next(), parent, isLeafs));
}
return result;
}
/**
* @generated
*/
public Object getParent(Object element) {
if(element instanceof UMLAbstractNavigatorItem) {
UMLAbstractNavigatorItem abstractNavigatorItem = (UMLAbstractNavigatorItem)element;
return abstractNavigatorItem.getParent();
}
return null;
}
/**
* @generated
*/
public boolean hasChildren(Object element) {
return element instanceof IFile || getChildren(element).length > 0;
}
}