/*
* Copyright (c) 2006, 2007 Borland Software Corporation.
* 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:
* Richard Gronback (Borland) - initial API and implementation
*/
package org.eclipse.gmf.examples.mindmap.diagram.navigator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IAdaptable;
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.examples.mindmap.diagram.edit.parts.MapEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.Relationship2EditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.Relationship3EditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.RelationshipEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ResourceEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ThreadEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ThreadItemEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.ThreadThreadItemCompartmentEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.TopicEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.TopicSubtopicsEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.edit.parts.TopicThreadCompartmentEditPart;
import org.eclipse.gmf.examples.mindmap.diagram.part.Messages;
import org.eclipse.gmf.examples.mindmap.diagram.part.MindmapVisualIDRegistry;
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.ui.IMemento;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
import org.eclipse.ui.navigator.ICommonContentProvider;
/**
* @generated
*/
public class MindmapNavigatorContentProvider 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
*/
public MindmapNavigatorContentProvider() {
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();
result.addAll(createNavigatorItems(selectViewsByType(resource
.getContents(), MapEditPart.MODEL_ID), file, false));
return result.toArray();
}
if (parentElement instanceof MindmapNavigatorGroup) {
MindmapNavigatorGroup group = (MindmapNavigatorGroup) parentElement;
return group.getChildren();
}
if (parentElement instanceof MindmapNavigatorItem) {
MindmapNavigatorItem navigatorItem = (MindmapNavigatorItem) parentElement;
if (navigatorItem.isLeaf() || !isOwnView(navigatorItem.getView())) {
return EMPTY_ARRAY;
}
return getViewChildren(navigatorItem.getView(), parentElement);
}
/*
* Due to plugin.xml restrictions this code will be called only for views representing
* shortcuts to this diagram elements created on other diagrams.
*/
if (parentElement instanceof IAdaptable) {
View view = (View) ((IAdaptable) parentElement)
.getAdapter(View.class);
if (view != null) {
return getViewChildren(view, parentElement);
}
}
return EMPTY_ARRAY;
}
/**
* @generated
*/
private Object[] getViewChildren(View view, Object parentElement) {
switch (MindmapVisualIDRegistry.getVisualID(view)) {
case MapEditPart.VISUAL_ID: {
Collection result = new ArrayList();
result.addAll(getForeignShortcuts((Diagram) view, parentElement));
MindmapNavigatorGroup links = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Map_1000_links,
"icons/linksNavigatorGroup.gif", parentElement); //$NON-NLS-1$
Collection connectedViews = getChildrenByType(Collections
.singleton(view), TopicEditPart.VISUAL_ID);
result.addAll(createNavigatorItems(connectedViews, parentElement,
false));
connectedViews = getChildrenByType(Collections.singleton(view),
ResourceEditPart.VISUAL_ID);
result.addAll(createNavigatorItems(connectedViews, parentElement,
false));
connectedViews = getDiagramLinksByType(Collections.singleton(view),
TopicSubtopicsEditPart.VISUAL_ID);
links
.addChildren(createNavigatorItems(connectedViews, links,
false));
connectedViews = getDiagramLinksByType(Collections.singleton(view),
RelationshipEditPart.VISUAL_ID);
links
.addChildren(createNavigatorItems(connectedViews, links,
false));
connectedViews = getDiagramLinksByType(Collections.singleton(view),
Relationship2EditPart.VISUAL_ID);
links
.addChildren(createNavigatorItems(connectedViews, links,
false));
connectedViews = getDiagramLinksByType(Collections.singleton(view),
Relationship3EditPart.VISUAL_ID);
links
.addChildren(createNavigatorItems(connectedViews, links,
false));
if (!links.isEmpty()) {
result.add(links);
}
return result.toArray();
}
case TopicEditPart.VISUAL_ID: {
Collection result = new ArrayList();
MindmapNavigatorGroup incominglinks = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Topic_2001_incominglinks,
"icons/incomingLinksNavigatorGroup.gif", parentElement); //$NON-NLS-1$
MindmapNavigatorGroup outgoinglinks = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Topic_2001_outgoinglinks,
"icons/outgoingLinksNavigatorGroup.gif", parentElement); //$NON-NLS-1$
Collection connectedViews = getChildrenByType(Collections
.singleton(view), TopicThreadCompartmentEditPart.VISUAL_ID);
connectedViews = getChildrenByType(connectedViews,
ThreadEditPart.VISUAL_ID);
result.addAll(createNavigatorItems(connectedViews, parentElement,
false));
connectedViews = getIncomingLinksByType(
Collections.singleton(view),
TopicSubtopicsEditPart.VISUAL_ID);
incominglinks.addChildren(createNavigatorItems(connectedViews,
incominglinks, true));
connectedViews = getOutgoingLinksByType(
Collections.singleton(view),
TopicSubtopicsEditPart.VISUAL_ID);
outgoinglinks.addChildren(createNavigatorItems(connectedViews,
outgoinglinks, true));
connectedViews = getIncomingLinksByType(
Collections.singleton(view), RelationshipEditPart.VISUAL_ID);
incominglinks.addChildren(createNavigatorItems(connectedViews,
incominglinks, true));
connectedViews = getOutgoingLinksByType(
Collections.singleton(view), RelationshipEditPart.VISUAL_ID);
outgoinglinks.addChildren(createNavigatorItems(connectedViews,
outgoinglinks, true));
connectedViews = getIncomingLinksByType(
Collections.singleton(view),
Relationship2EditPart.VISUAL_ID);
incominglinks.addChildren(createNavigatorItems(connectedViews,
incominglinks, true));
connectedViews = getOutgoingLinksByType(
Collections.singleton(view),
Relationship2EditPart.VISUAL_ID);
outgoinglinks.addChildren(createNavigatorItems(connectedViews,
outgoinglinks, true));
connectedViews = getIncomingLinksByType(
Collections.singleton(view),
Relationship3EditPart.VISUAL_ID);
incominglinks.addChildren(createNavigatorItems(connectedViews,
incominglinks, true));
connectedViews = getOutgoingLinksByType(
Collections.singleton(view),
Relationship3EditPart.VISUAL_ID);
outgoinglinks.addChildren(createNavigatorItems(connectedViews,
outgoinglinks, true));
if (!incominglinks.isEmpty()) {
result.add(incominglinks);
}
if (!outgoinglinks.isEmpty()) {
result.add(outgoinglinks);
}
return result.toArray();
}
case ThreadEditPart.VISUAL_ID: {
Collection result = new ArrayList();
Collection connectedViews = getChildrenByType(Collections
.singleton(view),
ThreadThreadItemCompartmentEditPart.VISUAL_ID);
connectedViews = getChildrenByType(connectedViews,
ThreadItemEditPart.VISUAL_ID);
result.addAll(createNavigatorItems(connectedViews, parentElement,
false));
return result.toArray();
}
case TopicSubtopicsEditPart.VISUAL_ID: {
Collection result = new ArrayList();
MindmapNavigatorGroup target = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_TopicSubtopics_4001_target,
"icons/linkTargetNavigatorGroup.gif", parentElement); //$NON-NLS-1$
MindmapNavigatorGroup source = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_TopicSubtopics_4001_source,
"icons/linkSourceNavigatorGroup.gif", parentElement); //$NON-NLS-1$
Collection connectedViews = getLinksTargetByType(Collections
.singleton(view), TopicEditPart.VISUAL_ID);
target.addChildren(createNavigatorItems(connectedViews, target,
true));
connectedViews = getLinksSourceByType(Collections.singleton(view),
TopicEditPart.VISUAL_ID);
source.addChildren(createNavigatorItems(connectedViews, source,
true));
if (!target.isEmpty()) {
result.add(target);
}
if (!source.isEmpty()) {
result.add(source);
}
return result.toArray();
}
case RelationshipEditPart.VISUAL_ID: {
Collection result = new ArrayList();
MindmapNavigatorGroup target = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Relationship_4002_target,
"icons/linkTargetNavigatorGroup.gif", parentElement); //$NON-NLS-1$
MindmapNavigatorGroup source = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Relationship_4002_source,
"icons/linkSourceNavigatorGroup.gif", parentElement); //$NON-NLS-1$
Collection connectedViews = getLinksTargetByType(Collections
.singleton(view), TopicEditPart.VISUAL_ID);
target.addChildren(createNavigatorItems(connectedViews, target,
true));
connectedViews = getLinksSourceByType(Collections.singleton(view),
TopicEditPart.VISUAL_ID);
source.addChildren(createNavigatorItems(connectedViews, source,
true));
if (!target.isEmpty()) {
result.add(target);
}
if (!source.isEmpty()) {
result.add(source);
}
return result.toArray();
}
case Relationship2EditPart.VISUAL_ID: {
Collection result = new ArrayList();
MindmapNavigatorGroup target = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Relationship_4003_target,
"icons/linkTargetNavigatorGroup.gif", parentElement); //$NON-NLS-1$
MindmapNavigatorGroup source = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Relationship_4003_source,
"icons/linkSourceNavigatorGroup.gif", parentElement); //$NON-NLS-1$
Collection connectedViews = getLinksTargetByType(Collections
.singleton(view), TopicEditPart.VISUAL_ID);
target.addChildren(createNavigatorItems(connectedViews, target,
true));
connectedViews = getLinksSourceByType(Collections.singleton(view),
TopicEditPart.VISUAL_ID);
source.addChildren(createNavigatorItems(connectedViews, source,
true));
if (!target.isEmpty()) {
result.add(target);
}
if (!source.isEmpty()) {
result.add(source);
}
return result.toArray();
}
case Relationship3EditPart.VISUAL_ID: {
Collection result = new ArrayList();
MindmapNavigatorGroup target = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Relationship_4004_target,
"icons/linkTargetNavigatorGroup.gif", parentElement); //$NON-NLS-1$
MindmapNavigatorGroup source = new MindmapNavigatorGroup(
Messages.NavigatorGroupName_Relationship_4004_source,
"icons/linkSourceNavigatorGroup.gif", parentElement); //$NON-NLS-1$
Collection connectedViews = getLinksTargetByType(Collections
.singleton(view), TopicEditPart.VISUAL_ID);
target.addChildren(createNavigatorItems(connectedViews, target,
true));
connectedViews = getLinksSourceByType(Collections.singleton(view),
TopicEditPart.VISUAL_ID);
source.addChildren(createNavigatorItems(connectedViews, source,
true));
if (!target.isEmpty()) {
result.add(target);
}
if (!source.isEmpty()) {
result.add(source);
}
return result.toArray();
}
}
return EMPTY_ARRAY;
}
/**
* @generated
*/
private Collection getLinksSourceByType(Collection edges, int visualID) {
Collection result = new ArrayList();
String type = MindmapVisualIDRegistry.getType(visualID);
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, int visualID) {
Collection result = new ArrayList();
String type = MindmapVisualIDRegistry.getType(visualID);
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, int visualID) {
Collection result = new ArrayList();
String type = MindmapVisualIDRegistry.getType(visualID);
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, int visualID) {
Collection result = new ArrayList();
String type = MindmapVisualIDRegistry.getType(visualID);
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, int visualID) {
Collection result = new ArrayList();
String type = MindmapVisualIDRegistry.getType(visualID);
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, int visualID) {
Collection result = new ArrayList();
String type = MindmapVisualIDRegistry.getType(visualID);
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 MapEditPart.MODEL_ID.equals(MindmapVisualIDRegistry
.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 MindmapNavigatorItem((View) it.next(), parent,
isLeafs));
}
return result;
}
/**
* @generated
*/
private Collection getForeignShortcuts(Diagram diagram, Object parent) {
Collection result = new ArrayList();
for (Iterator it = diagram.getChildren().iterator(); it.hasNext();) {
View nextView = (View) it.next();
if (!isOwnView(nextView)
&& nextView.getEAnnotation("Shortcut") != null) { //$NON-NLS-1$
result.add(nextView);
}
}
return createNavigatorItems(result, parent, false);
}
/**
* @generated
*/
public Object getParent(Object element) {
if (element instanceof MindmapAbstractNavigatorItem) {
MindmapAbstractNavigatorItem abstractNavigatorItem = (MindmapAbstractNavigatorItem) element;
return abstractNavigatorItem.getParent();
}
return null;
}
/**
* @generated
*/
public boolean hasChildren(Object element) {
return element instanceof IFile || getChildren(element).length > 0;
}
}
