1 files changed, 509 insertions, 509 deletions
diff --git a/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/ui/CDOItemProvider.java b/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/ui/CDOItemProvider.java
index 1ca26d7882..0bd01f5d60 100644
--- a/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/ui/CDOItemProvider.java
+++ b/plugins/org.eclipse.emf.cdo.ui/src/org/eclipse/emf/cdo/ui/CDOItemProvider.java
@@ -1,509 +1,509 @@
-/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
- * 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:
- *    Eike Stepper - initial API and implementation
- *    Victor Roldan Betancort - maintenance
- */
-package org.eclipse.emf.cdo.ui;
-
-import org.eclipse.emf.cdo.common.CDOCommonRepository.State;
-import org.eclipse.emf.cdo.common.branch.CDOBranch;
-import org.eclipse.emf.cdo.common.branch.CDOBranchManager;
-import org.eclipse.emf.cdo.common.model.CDOPackageRegistry;
-import org.eclipse.emf.cdo.common.model.CDOPackageTypeRegistry;
-import org.eclipse.emf.cdo.common.model.CDOPackageUnit.Type;
-import org.eclipse.emf.cdo.eresource.CDOResource;
-import org.eclipse.emf.cdo.eresource.CDOResourceFolder;
-import org.eclipse.emf.cdo.eresource.CDOResourceNode;
-import org.eclipse.emf.cdo.internal.ui.actions.CloseSessionAction;
-import org.eclipse.emf.cdo.internal.ui.actions.CloseViewAction;
-import org.eclipse.emf.cdo.internal.ui.actions.CommitTransactionAction;
-import org.eclipse.emf.cdo.internal.ui.actions.CreateBranchAction;
-import org.eclipse.emf.cdo.internal.ui.actions.CreateResourceNodeAction;
-import org.eclipse.emf.cdo.internal.ui.actions.DisableViewDurabilityAction;
-import org.eclipse.emf.cdo.internal.ui.actions.EnableViewDurabilityAction;
-import org.eclipse.emf.cdo.internal.ui.actions.ExportResourceAction;
-import org.eclipse.emf.cdo.internal.ui.actions.ImportResourceAction;
-import org.eclipse.emf.cdo.internal.ui.actions.LoadResourceAction;
-import org.eclipse.emf.cdo.internal.ui.actions.ManagePackagesAction;
-import org.eclipse.emf.cdo.internal.ui.actions.OpenAuditAction;
-import org.eclipse.emf.cdo.internal.ui.actions.OpenDurableViewAction;
-import org.eclipse.emf.cdo.internal.ui.actions.OpenResourceEditorAction;
-import org.eclipse.emf.cdo.internal.ui.actions.OpenTransactionAction;
-import org.eclipse.emf.cdo.internal.ui.actions.OpenViewAction;
-import org.eclipse.emf.cdo.internal.ui.actions.OpenViewEditorAction;
-import org.eclipse.emf.cdo.internal.ui.actions.RegisterFilesystemPackagesAction;
-import org.eclipse.emf.cdo.internal.ui.actions.RegisterSinglePackageAction;
-import org.eclipse.emf.cdo.internal.ui.actions.RegisterWorkspacePackagesAction;
-import org.eclipse.emf.cdo.internal.ui.actions.ReloadViewAction;
-import org.eclipse.emf.cdo.internal.ui.actions.RollbackTransactionAction;
-import org.eclipse.emf.cdo.internal.ui.actions.SwitchTargetAction;
-import org.eclipse.emf.cdo.internal.ui.actions.ToggleLegacyModeDefaultAction;
-import org.eclipse.emf.cdo.internal.ui.messages.Messages;
-import org.eclipse.emf.cdo.session.CDORepositoryInfo;
-import org.eclipse.emf.cdo.session.CDOSession;
-import org.eclipse.emf.cdo.session.CDOSessionInvalidationEvent;
-import org.eclipse.emf.cdo.transaction.CDOTransaction;
-import org.eclipse.emf.cdo.ui.shared.SharedIcons;
-import org.eclipse.emf.cdo.view.CDOView;
-import org.eclipse.emf.cdo.view.CDOViewTargetChangedEvent;
-
-import org.eclipse.net4j.util.container.IContainer;
-import org.eclipse.net4j.util.event.IEvent;
-import org.eclipse.net4j.util.event.IListener;
-import org.eclipse.net4j.util.ui.UIUtil;
-import org.eclipse.net4j.util.ui.actions.SafeAction;
-import org.eclipse.net4j.util.ui.views.ContainerItemProvider;
-import org.eclipse.net4j.util.ui.views.IElementFilter;
-
-import org.eclipse.emf.ecore.EPackage;
-
-import org.eclipse.jface.action.IAction;
-import org.eclipse.jface.action.IMenuManager;
-import org.eclipse.jface.action.MenuManager;
-import org.eclipse.jface.action.Separator;
-import org.eclipse.jface.resource.ImageDescriptor;
-import org.eclipse.jface.viewers.ITreeSelection;
-import org.eclipse.swt.graphics.Font;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.ui.IWorkbenchPage;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
-/**
- * Implements multiple functionality related with UI representation of basic CDO concepts on
- * {@link org.eclipse.jface.viewers.TreeViewer TreeViewer}-based editors and views.
- * <p>
- * For instance, behaves as {@link org.eclipse.jface.viewers.IContentProvider content} and
- * {@link org.eclipse.jface.viewers.ILabelProvider label} provider for concepts such as {@link CDOSession},
- * {@link CDOView}, {@link CDOResource} and {@link CDOResourceFolder}. It also providers common context menu action over
- * those elements.
- * 
- * @author Eike Stepper
- * @see org.eclipse.jface.viewers.IContentProvider
- * @see org.eclipse.jface.viewers.ILabelProvider
- */
-public class CDOItemProvider extends ContainerItemProvider<IContainer<Object>>
-{
-  private IWorkbenchPage page;
-
-  private Font bold;
-
-  public CDOItemProvider(IWorkbenchPage page, IElementFilter rootElementFilter)
-  {
-    super(rootElementFilter);
-    this.page = page;
-  }
-
-  public CDOItemProvider(IWorkbenchPage page)
-  {
-    this(page, null);
-  }
-
-  @Override
-  protected void connectInput(IContainer<Object> input)
-  {
-    super.connectInput(input);
-    bold = UIUtil.getBoldFont(getViewer().getControl());
-  }
-
-  @Override
-  protected void disconnectInput(IContainer<Object> input)
-  {
-    bold.dispose();
-    super.disconnectInput(input);
-  }
-
-  @Override
-  public Object[] getChildren(Object element)
-  {
-    if (element instanceof CDOBranchManager)
-    {
-      return new Object[] { ((CDOBranchManager)element).getMainBranch() };
-    }
-
-    if (element instanceof CDOBranch)
-    {
-      return ((CDOBranch)element).getBranches();
-    }
-
-    if (element instanceof CDOView)
-    {
-      return ((CDOView)element).getRootResource().getContents().toArray();
-    }
-
-    if (element instanceof CDOResourceFolder)
-    {
-      return ((CDOResourceFolder)element).getNodes().toArray();
-    }
-
-    return super.getChildren(element);
-  }
-
-  @Override
-  public boolean hasChildren(Object element)
-  {
-    if (element instanceof CDOBranchManager)
-    {
-      return true; // Main branch always exists
-    }
-
-    if (element instanceof CDOBranch)
-    {
-      return !((CDOBranch)element).isEmpty();
-    }
-
-    if (element instanceof CDOView)
-    {
-      return ((CDOView)element).getRootResource().getContents().size() > 0;
-    }
-
-    if (element instanceof CDOResourceFolder)
-    {
-      return ((CDOResourceFolder)element).getNodes().size() > 0;
-    }
-
-    return super.hasChildren(element);
-  }
-
-  @Override
-  public Object getParent(Object element)
-  {
-    if (element instanceof CDOBranch)
-    {
-      CDOBranch branch = (CDOBranch)element;
-      if (branch.isMainBranch())
-      {
-        return branch.getBranchManager();
-      }
-
-      return branch.getBase().getBranch();
-    }
-
-    if (element instanceof CDOResourceNode)
-    {
-      CDOResourceNode node = (CDOResourceNode)element;
-      CDOResourceNode parent = (CDOResourceNode)node.eContainer();
-      if (parent == null || parent.isRoot())
-      {
-        return node.cdoView();
-      }
-
-      return parent;
-    }
-
-    return super.getParent(element);
-  }
-
-  @Override
-  public String getText(Object obj)
-  {
-    if (obj instanceof CDOBranch)
-    {
-      return ((CDOBranch)obj).getName();
-    }
-
-    if (obj instanceof CDOResourceNode)
-    {
-      return ((CDOResourceNode)obj).getName();
-    }
-
-    return super.getText(obj);
-  }
-
-  @Override
-  public Image getImage(Object obj)
-  {
-    if (obj instanceof CDOSession)
-    {
-      CDOSession session = (CDOSession)obj;
-      State state = session.getRepositoryInfo().getState();
-      switch (state)
-      {
-      case ONLINE:
-        return SharedIcons.getImage(SharedIcons.OBJ_SESSION);
-      case SYNCING:
-        return SharedIcons.getImage(SharedIcons.OBJ_SESSION_SYNCING);
-      case OFFLINE:
-        return SharedIcons.getImage(SharedIcons.OBJ_SESSION_OFFLINE);
-      }
-    }
-
-    if (obj instanceof CDOView)
-    {
-      CDOView view = (CDOView)obj;
-      return getViewImage(view);
-    }
-
-    if (obj instanceof CDOBranch)
-    {
-      return SharedIcons.getImage(SharedIcons.OBJ_BRANCH);
-    }
-
-    if (obj instanceof CDOResourceFolder)
-    {
-      return SharedIcons.getImage(SharedIcons.OBJ_RESOURCE_FOLDER);
-    }
-
-    if (obj instanceof CDOResource)
-    {
-      return SharedIcons.getImage(SharedIcons.OBJ_RESOURCE);
-    }
-
-    return super.getImage(obj);
-  }
-
-  @Override
-  public Font getFont(Object obj)
-  {
-    if (obj instanceof CDOTransaction)
-    {
-      CDOTransaction transaction = (CDOTransaction)obj;
-      if (transaction.isDirty())
-      {
-        return bold;
-      }
-    }
-
-    return super.getFont(obj);
-  }
-
-  @Override
-  protected void fillContextMenu(IMenuManager manager, ITreeSelection selection)
-  {
-    super.fillContextMenu(manager, selection);
-    if (selection.size() == 1)
-    {
-      Object object = selection.getFirstElement();
-      if (object instanceof CDOSession)
-      {
-        fillSession(manager, (CDOSession)object);
-      }
-      else if (object instanceof CDOView)
-      {
-        fillView(manager, (CDOView)object);
-      }
-      else if (object instanceof CDOResource)
-      {
-        fillResource(manager, (CDOResource)object);
-      }
-      else if (object instanceof CDOResourceFolder)
-      {
-        fillResourceFolder(manager, (CDOResourceFolder)object);
-      }
-    }
-  }
-
-  /**
-   * @since 3.0
-   */
-  protected void fillResourceFolder(IMenuManager manager, CDOResourceFolder folder)
-  {
-  }
-
-  /**
-   * @since 3.0
-   */
-  protected void fillResource(IMenuManager manager, CDOResource resource)
-  {
-    manager.add(new OpenResourceEditorAction(page, resource));
-  }
-
-  /**
-   * @since 2.0
-   */
-  protected void fillSession(IMenuManager manager, CDOSession session)
-  {
-    manager.add(new OpenTransactionAction(page, session));
-    manager.add(new OpenViewAction(page, session));
-    manager.add(new OpenAuditAction(page, session));
-    manager.add(new OpenDurableViewAction(page, session));
-    manager.add(new Separator());
-    manager.add(new ManagePackagesAction(page, session));
-
-    MenuManager generatedManager = new MenuManager(Messages.getString("CDOItemProvider.8")); //$NON-NLS-1$
-    if (fillGenerated(generatedManager, session))
-    {
-      manager.add(generatedManager);
-    }
-
-    IAction a1 = new RegisterWorkspacePackagesAction(page, session);
-    a1.setText(a1.getText() + SafeAction.INTERACTIVE);
-    manager.add(a1);
-
-    RegisterFilesystemPackagesAction a2 = new RegisterFilesystemPackagesAction(page, session);
-    a2.setText(a2.getText() + SafeAction.INTERACTIVE);
-    manager.add(a2);
-
-    if (session.getRepositoryInfo().isSupportingBranches())
-    {
-      manager.add(new Separator());
-      manager.add(new CreateBranchAction(page, session));
-    }
-
-    manager.add(new Separator());
-    manager.add(new ToggleLegacyModeDefaultAction(session));
-    manager.add(new Separator());
-    manager.add(new CloseSessionAction(page, session));
-  }
-
-  /**
-   * @since 2.0
-   */
-  protected boolean fillGenerated(MenuManager manager, CDOSession session)
-  {
-    List<String> registeredURIs = new ArrayList<String>(EPackage.Registry.INSTANCE.keySet());
-    Collections.sort(registeredURIs, new Comparator<String>()
-    {
-      public int compare(String o1, String o2)
-      {
-        return o1.compareTo(o2);
-      }
-    });
-
-    boolean added = false;
-    CDOPackageRegistry packageRegistry = session.getPackageRegistry();
-    for (String packageURI : registeredURIs)
-    {
-      if (!packageRegistry.containsKey(packageURI))
-      {
-        Type type = CDOPackageTypeRegistry.INSTANCE.lookup(packageURI);
-        if (type == Type.NATIVE)
-        {
-          EPackage ePackage = packageRegistry.getEPackage(packageURI);
-          if (ePackage == null)
-          {
-            ePackage = EPackage.Registry.INSTANCE.getEPackage(packageURI);
-          }
-
-          if (ePackage != null)
-          {
-            manager.add(new RegisterSinglePackageAction(page, session, packageURI));
-            added = true;
-          }
-        }
-      }
-    }
-
-    return added;
-  }
-
-  /**
-   * @since 2.0
-   */
-  protected void fillView(IMenuManager manager, CDOView view)
-  {
-    manager.add(new OpenViewEditorAction(page, view));
-    manager.add(new LoadResourceAction(page, view));
-    manager.add(new ExportResourceAction(page, view));
-    manager.add(new Separator());
-    if (!view.isReadOnly())
-    {
-      CDOResource rootResource = view.getRootResource();
-      manager.add(new CreateResourceNodeAction(this, page, view, rootResource, false));
-      manager.add(new CreateResourceNodeAction(this, page, view, rootResource, true));
-      manager.add(new ImportResourceAction(page, view));
-      manager.add(new CommitTransactionAction(page, view));
-      manager.add(new RollbackTransactionAction(page, view));
-    }
-
-    manager.add(new Separator());
-
-    CDORepositoryInfo repositoryInfo = view.getSession().getRepositoryInfo();
-    if (view.isReadOnly() && repositoryInfo.isSupportingAudits() || repositoryInfo.isSupportingBranches())
-    {
-      manager.add(new SwitchTargetAction(page, view));
-    }
-
-    manager.add(new ReloadViewAction(page, view));
-    if (view.getDurableLockingID() == null)
-    {
-      manager.add(new EnableViewDurabilityAction(page, view));
-    }
-    else
-    {
-      manager.add(new DisableViewDurabilityAction(page, view));
-    }
-
-    manager.add(new Separator());
-    manager.add(new CloseViewAction(page, view));
-  }
-
-  @Override
-  protected void elementAdded(Object element, Object parent)
-  {
-    super.elementAdded(element, parent);
-
-    if (element instanceof CDOSession)
-    {
-      ((CDOSession)element).addListener(new IListener()
-      {
-        public void notifyEvent(IEvent event)
-        {
-          if (event instanceof CDOSessionInvalidationEvent)
-          {
-            refreshViewer(true);
-          }
-        }
-      });
-    }
-
-    if (element instanceof CDOView)
-    {
-      ((CDOView)element).addListener(new IListener()
-      {
-        public void notifyEvent(IEvent event)
-        {
-          if (event instanceof CDOViewTargetChangedEvent)
-          {
-            refreshViewer(true);
-          }
-        }
-      });
-    }
-  }
-
-  /**
-   * @since 3.0
-   */
-  public static ImageDescriptor getViewImageDescriptor(CDOView view)
-  {
-    if (view.isReadOnly())
-    {
-      if (view.getTimeStamp() != CDOView.UNSPECIFIED_DATE)
-      {
-        return SharedIcons.getDescriptor(SharedIcons.OBJ_EDITOR_HISTORICAL);
-      }
-
-      return SharedIcons.getDescriptor(SharedIcons.OBJ_EDITOR_READONLY);
-    }
-
-    return SharedIcons.getDescriptor(SharedIcons.OBJ_EDITOR);
-  }
-
-  /**
-   * @since 3.0
-   */
-  public static Image getViewImage(CDOView view)
-  {
-    if (view.isReadOnly())
-    {
-      if (view.getTimeStamp() != CDOView.UNSPECIFIED_DATE)
-      {
-        return SharedIcons.getImage(SharedIcons.OBJ_EDITOR_HISTORICAL);
-      }
-
-      return SharedIcons.getImage(SharedIcons.OBJ_EDITOR_READONLY);
-    }
-
-    return SharedIcons.getImage(SharedIcons.OBJ_EDITOR);
-  }
-}
+/*
+ * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
+ * 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:
+ *    Eike Stepper - initial API and implementation
+ *    Victor Roldan Betancort - maintenance
+ */
+package org.eclipse.emf.cdo.ui;
+
+import org.eclipse.emf.cdo.common.CDOCommonRepository.State;
+import org.eclipse.emf.cdo.common.branch.CDOBranch;
+import org.eclipse.emf.cdo.common.branch.CDOBranchManager;
+import org.eclipse.emf.cdo.common.model.CDOPackageRegistry;
+import org.eclipse.emf.cdo.common.model.CDOPackageTypeRegistry;
+import org.eclipse.emf.cdo.common.model.CDOPackageUnit.Type;
+import org.eclipse.emf.cdo.eresource.CDOResource;
+import org.eclipse.emf.cdo.eresource.CDOResourceFolder;
+import org.eclipse.emf.cdo.eresource.CDOResourceNode;
+import org.eclipse.emf.cdo.internal.ui.actions.CloseSessionAction;
+import org.eclipse.emf.cdo.internal.ui.actions.CloseViewAction;
+import org.eclipse.emf.cdo.internal.ui.actions.CommitTransactionAction;
+import org.eclipse.emf.cdo.internal.ui.actions.CreateBranchAction;
+import org.eclipse.emf.cdo.internal.ui.actions.CreateResourceNodeAction;
+import org.eclipse.emf.cdo.internal.ui.actions.DisableViewDurabilityAction;
+import org.eclipse.emf.cdo.internal.ui.actions.EnableViewDurabilityAction;
+import org.eclipse.emf.cdo.internal.ui.actions.ExportResourceAction;
+import org.eclipse.emf.cdo.internal.ui.actions.ImportResourceAction;
+import org.eclipse.emf.cdo.internal.ui.actions.LoadResourceAction;
+import org.eclipse.emf.cdo.internal.ui.actions.ManagePackagesAction;
+import org.eclipse.emf.cdo.internal.ui.actions.OpenAuditAction;
+import org.eclipse.emf.cdo.internal.ui.actions.OpenDurableViewAction;
+import org.eclipse.emf.cdo.internal.ui.actions.OpenResourceEditorAction;
+import org.eclipse.emf.cdo.internal.ui.actions.OpenTransactionAction;
+import org.eclipse.emf.cdo.internal.ui.actions.OpenViewAction;
+import org.eclipse.emf.cdo.internal.ui.actions.OpenViewEditorAction;
+import org.eclipse.emf.cdo.internal.ui.actions.RegisterFilesystemPackagesAction;
+import org.eclipse.emf.cdo.internal.ui.actions.RegisterSinglePackageAction;
+import org.eclipse.emf.cdo.internal.ui.actions.RegisterWorkspacePackagesAction;
+import org.eclipse.emf.cdo.internal.ui.actions.ReloadViewAction;
+import org.eclipse.emf.cdo.internal.ui.actions.RollbackTransactionAction;
+import org.eclipse.emf.cdo.internal.ui.actions.SwitchTargetAction;
+import org.eclipse.emf.cdo.internal.ui.actions.ToggleLegacyModeDefaultAction;
+import org.eclipse.emf.cdo.internal.ui.messages.Messages;
+import org.eclipse.emf.cdo.session.CDORepositoryInfo;
+import org.eclipse.emf.cdo.session.CDOSession;
+import org.eclipse.emf.cdo.session.CDOSessionInvalidationEvent;
+import org.eclipse.emf.cdo.transaction.CDOTransaction;
+import org.eclipse.emf.cdo.ui.shared.SharedIcons;
+import org.eclipse.emf.cdo.view.CDOView;
+import org.eclipse.emf.cdo.view.CDOViewTargetChangedEvent;
+
+import org.eclipse.net4j.util.container.IContainer;
+import org.eclipse.net4j.util.event.IEvent;
+import org.eclipse.net4j.util.event.IListener;
+import org.eclipse.net4j.util.ui.UIUtil;
+import org.eclipse.net4j.util.ui.actions.SafeAction;
+import org.eclipse.net4j.util.ui.views.ContainerItemProvider;
+import org.eclipse.net4j.util.ui.views.IElementFilter;
+
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.viewers.ITreeSelection;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.ui.IWorkbenchPage;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ * Implements multiple functionality related with UI representation of basic CDO concepts on
+ * {@link org.eclipse.jface.viewers.TreeViewer TreeViewer}-based editors and views.
+ * <p>
+ * For instance, behaves as {@link org.eclipse.jface.viewers.IContentProvider content} and
+ * {@link org.eclipse.jface.viewers.ILabelProvider label} provider for concepts such as {@link CDOSession},
+ * {@link CDOView}, {@link CDOResource} and {@link CDOResourceFolder}. It also providers common context menu action over
+ * those elements.
+ * 
+ * @author Eike Stepper
+ * @see org.eclipse.jface.viewers.IContentProvider
+ * @see org.eclipse.jface.viewers.ILabelProvider
+ */
+public class CDOItemProvider extends ContainerItemProvider<IContainer<Object>>
+{
+  private IWorkbenchPage page;
+
+  private Font bold;
+
+  public CDOItemProvider(IWorkbenchPage page, IElementFilter rootElementFilter)
+  {
+    super(rootElementFilter);
+    this.page = page;
+  }
+
+  public CDOItemProvider(IWorkbenchPage page)
+  {
+    this(page, null);
+  }
+
+  @Override
+  protected void connectInput(IContainer<Object> input)
+  {
+    super.connectInput(input);
+    bold = UIUtil.getBoldFont(getViewer().getControl());
+  }
+
+  @Override
+  protected void disconnectInput(IContainer<Object> input)
+  {
+    bold.dispose();
+    super.disconnectInput(input);
+  }
+
+  @Override
+  public Object[] getChildren(Object element)
+  {
+    if (element instanceof CDOBranchManager)
+    {
+      return new Object[] { ((CDOBranchManager)element).getMainBranch() };
+    }
+
+    if (element instanceof CDOBranch)
+    {
+      return ((CDOBranch)element).getBranches();
+    }
+
+    if (element instanceof CDOView)
+    {
+      return ((CDOView)element).getRootResource().getContents().toArray();
+    }
+
+    if (element instanceof CDOResourceFolder)
+    {
+      return ((CDOResourceFolder)element).getNodes().toArray();
+    }
+
+    return super.getChildren(element);
+  }
+
+  @Override
+  public boolean hasChildren(Object element)
+  {
+    if (element instanceof CDOBranchManager)
+    {
+      return true; // Main branch always exists
+    }
+
+    if (element instanceof CDOBranch)
+    {
+      return !((CDOBranch)element).isEmpty();
+    }
+
+    if (element instanceof CDOView)
+    {
+      return ((CDOView)element).getRootResource().getContents().size() > 0;
+    }
+
+    if (element instanceof CDOResourceFolder)
+    {
+      return ((CDOResourceFolder)element).getNodes().size() > 0;
+    }
+
+    return super.hasChildren(element);
+  }
+
+  @Override
+  public Object getParent(Object element)
+  {
+    if (element instanceof CDOBranch)
+    {
+      CDOBranch branch = (CDOBranch)element;
+      if (branch.isMainBranch())
+      {
+        return branch.getBranchManager();
+      }
+
+      return branch.getBase().getBranch();
+    }
+
+    if (element instanceof CDOResourceNode)
+    {
+      CDOResourceNode node = (CDOResourceNode)element;
+      CDOResourceNode parent = (CDOResourceNode)node.eContainer();
+      if (parent == null || parent.isRoot())
+      {
+        return node.cdoView();
+      }
+
+      return parent;
+    }
+
+    return super.getParent(element);
+  }
+
+  @Override
+  public String getText(Object obj)
+  {
+    if (obj instanceof CDOBranch)
+    {
+      return ((CDOBranch)obj).getName();
+    }
+
+    if (obj instanceof CDOResourceNode)
+    {
+      return ((CDOResourceNode)obj).getName();
+    }
+
+    return super.getText(obj);
+  }
+
+  @Override
+  public Image getImage(Object obj)
+  {
+    if (obj instanceof CDOSession)
+    {
+      CDOSession session = (CDOSession)obj;
+      State state = session.getRepositoryInfo().getState();
+      switch (state)
+      {
+      case ONLINE:
+        return SharedIcons.getImage(SharedIcons.OBJ_SESSION);
+      case SYNCING:
+        return SharedIcons.getImage(SharedIcons.OBJ_SESSION_SYNCING);
+      case OFFLINE:
+        return SharedIcons.getImage(SharedIcons.OBJ_SESSION_OFFLINE);
+      }
+    }
+
+    if (obj instanceof CDOView)
+    {
+      CDOView view = (CDOView)obj;
+      return getViewImage(view);
+    }
+
+    if (obj instanceof CDOBranch)
+    {
+      return SharedIcons.getImage(SharedIcons.OBJ_BRANCH);
+    }
+
+    if (obj instanceof CDOResourceFolder)
+    {
+      return SharedIcons.getImage(SharedIcons.OBJ_RESOURCE_FOLDER);
+    }
+
+    if (obj instanceof CDOResource)
+    {
+      return SharedIcons.getImage(SharedIcons.OBJ_RESOURCE);
+    }
+
+    return super.getImage(obj);
+  }
+
+  @Override
+  public Font getFont(Object obj)
+  {
+    if (obj instanceof CDOTransaction)
+    {
+      CDOTransaction transaction = (CDOTransaction)obj;
+      if (transaction.isDirty())
+      {
+        return bold;
+      }
+    }
+
+    return super.getFont(obj);
+  }
+
+  @Override
+  protected void fillContextMenu(IMenuManager manager, ITreeSelection selection)
+  {
+    super.fillContextMenu(manager, selection);
+    if (selection.size() == 1)
+    {
+      Object object = selection.getFirstElement();
+      if (object instanceof CDOSession)
+      {
+        fillSession(manager, (CDOSession)object);
+      }
+      else if (object instanceof CDOView)
+      {
+        fillView(manager, (CDOView)object);
+      }
+      else if (object instanceof CDOResource)
+      {
+        fillResource(manager, (CDOResource)object);
+      }
+      else if (object instanceof CDOResourceFolder)
+      {
+        fillResourceFolder(manager, (CDOResourceFolder)object);
+      }
+    }
+  }
+
+  /**
+   * @since 3.0
+   */
+  protected void fillResourceFolder(IMenuManager manager, CDOResourceFolder folder)
+  {
+  }
+
+  /**
+   * @since 3.0
+   */
+  protected void fillResource(IMenuManager manager, CDOResource resource)
+  {
+    manager.add(new OpenResourceEditorAction(page, resource));
+  }
+
+  /**
+   * @since 2.0
+   */
+  protected void fillSession(IMenuManager manager, CDOSession session)
+  {
+    manager.add(new OpenTransactionAction(page, session));
+    manager.add(new OpenViewAction(page, session));
+    manager.add(new OpenAuditAction(page, session));
+    manager.add(new OpenDurableViewAction(page, session));
+    manager.add(new Separator());
+    manager.add(new ManagePackagesAction(page, session));
+
+    MenuManager generatedManager = new MenuManager(Messages.getString("CDOItemProvider.8")); //$NON-NLS-1$
+    if (fillGenerated(generatedManager, session))
+    {
+      manager.add(generatedManager);
+    }
+
+    IAction a1 = new RegisterWorkspacePackagesAction(page, session);
+    a1.setText(a1.getText() + SafeAction.INTERACTIVE);
+    manager.add(a1);
+
+    RegisterFilesystemPackagesAction a2 = new RegisterFilesystemPackagesAction(page, session);
+    a2.setText(a2.getText() + SafeAction.INTERACTIVE);
+    manager.add(a2);
+
+    if (session.getRepositoryInfo().isSupportingBranches())
+    {
+      manager.add(new Separator());
+      manager.add(new CreateBranchAction(page, session));
+    }
+
+    manager.add(new Separator());
+    manager.add(new ToggleLegacyModeDefaultAction(session));
+    manager.add(new Separator());
+    manager.add(new CloseSessionAction(page, session));
+  }
+
+  /**
+   * @since 2.0
+   */
+  protected boolean fillGenerated(MenuManager manager, CDOSession session)
+  {
+    List<String> registeredURIs = new ArrayList<String>(EPackage.Registry.INSTANCE.keySet());
+    Collections.sort(registeredURIs, new Comparator<String>()
+    {
+      public int compare(String o1, String o2)
+      {
+        return o1.compareTo(o2);
+      }
+    });
+
+    boolean added = false;
+    CDOPackageRegistry packageRegistry = session.getPackageRegistry();
+    for (String packageURI : registeredURIs)
+    {
+      if (!packageRegistry.containsKey(packageURI))
+      {
+        Type type = CDOPackageTypeRegistry.INSTANCE.lookup(packageURI);
+        if (type == Type.NATIVE)
+        {
+          EPackage ePackage = packageRegistry.getEPackage(packageURI);
+          if (ePackage == null)
+          {
+            ePackage = EPackage.Registry.INSTANCE.getEPackage(packageURI);
+          }
+
+          if (ePackage != null)
+          {
+            manager.add(new RegisterSinglePackageAction(page, session, packageURI));
+            added = true;
+          }
+        }
+      }
+    }
+
+    return added;
+  }
+
+  /**
+   * @since 2.0
+   */
+  protected void fillView(IMenuManager manager, CDOView view)
+  {
+    manager.add(new OpenViewEditorAction(page, view));
+    manager.add(new LoadResourceAction(page, view));
+    manager.add(new ExportResourceAction(page, view));
+    manager.add(new Separator());
+    if (!view.isReadOnly())
+    {
+      CDOResource rootResource = view.getRootResource();
+      manager.add(new CreateResourceNodeAction(this, page, view, rootResource, false));
+      manager.add(new CreateResourceNodeAction(this, page, view, rootResource, true));
+      manager.add(new ImportResourceAction(page, view));
+      manager.add(new CommitTransactionAction(page, view));
+      manager.add(new RollbackTransactionAction(page, view));
+    }
+
+    manager.add(new Separator());
+
+    CDORepositoryInfo repositoryInfo = view.getSession().getRepositoryInfo();
+    if (view.isReadOnly() && repositoryInfo.isSupportingAudits() || repositoryInfo.isSupportingBranches())
+    {
+      manager.add(new SwitchTargetAction(page, view));
+    }
+
+    manager.add(new ReloadViewAction(page, view));
+    if (view.getDurableLockingID() == null)
+    {
+      manager.add(new EnableViewDurabilityAction(page, view));
+    }
+    else
+    {
+      manager.add(new DisableViewDurabilityAction(page, view));
+    }
+
+    manager.add(new Separator());
+    manager.add(new CloseViewAction(page, view));
+  }
+
+  @Override
+  protected void elementAdded(Object element, Object parent)
+  {
+    super.elementAdded(element, parent);
+
+    if (element instanceof CDOSession)
+    {
+      ((CDOSession)element).addListener(new IListener()
+      {
+        public void notifyEvent(IEvent event)
+        {
+          if (event instanceof CDOSessionInvalidationEvent)
+          {
+            refreshViewer(true);
+          }
+        }
+      });
+    }
+
+    if (element instanceof CDOView)
+    {
+      ((CDOView)element).addListener(new IListener()
+      {
+        public void notifyEvent(IEvent event)
+        {
+          if (event instanceof CDOViewTargetChangedEvent)
+          {
+            refreshViewer(true);
+          }
+        }
+      });
+    }
+  }
+
+  /**
+   * @since 3.0
+   */
+  public static ImageDescriptor getViewImageDescriptor(CDOView view)
+  {
+    if (view.isReadOnly())
+    {
+      if (view.getTimeStamp() != CDOView.UNSPECIFIED_DATE)
+      {
+        return SharedIcons.getDescriptor(SharedIcons.OBJ_EDITOR_HISTORICAL);
+      }
+
+      return SharedIcons.getDescriptor(SharedIcons.OBJ_EDITOR_READONLY);
+    }
+
+    return SharedIcons.getDescriptor(SharedIcons.OBJ_EDITOR);
+  }
+
+  /**
+   * @since 3.0
+   */
+  public static Image getViewImage(CDOView view)
+  {
+    if (view.isReadOnly())
+    {
+      if (view.getTimeStamp() != CDOView.UNSPECIFIED_DATE)
+      {
+        return SharedIcons.getImage(SharedIcons.OBJ_EDITOR_HISTORICAL);
+      }
+
+      return SharedIcons.getImage(SharedIcons.OBJ_EDITOR_READONLY);
+    }
+
+    return SharedIcons.getImage(SharedIcons.OBJ_EDITOR);
+  }
+}