package OntoUML.diagram.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.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;
/**
* @generated
*/
public class OntoUMLDomainNavigatorContentProvider 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 OntoUMLDomainNavigatorContentProvider() {
myAdapterFctoryContentProvier = new AdapterFactoryContentProvider(
OntoUML.diagram.part.OntoUMLDiagramEditorPlugin.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) {
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);
return wrapEObjects(myAdapterFctoryContentProvier
.getChildren(resource), parentElement);
}
if (parentElement instanceof OntoUML.diagram.navigator.OntoUMLDomainNavigatorItem) {
return wrapEObjects(
myAdapterFctoryContentProvier
.getChildren(((OntoUML.diagram.navigator.OntoUMLDomainNavigatorItem) 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 OntoUML.diagram.navigator.OntoUMLDomainNavigatorItem(
(EObject) objects[i], parentElement,
myAdapterFctoryContentProvier));
}
}
return result.toArray();
}
/**
* @generated
*/
public Object getParent(Object element) {
if (element instanceof OntoUML.diagram.navigator.OntoUMLAbstractNavigatorItem) {
OntoUML.diagram.navigator.OntoUMLAbstractNavigatorItem abstractNavigatorItem = (OntoUML.diagram.navigator.OntoUMLAbstractNavigatorItem) element;
return abstractNavigatorItem.getParent();
}
return null;
}
/**
* @generated
*/
public boolean hasChildren(Object element) {
return element instanceof IFile || getChildren(element).length > 0;
}
}