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/***************************************************************************
* Copyright (c) 2004, 2005, 2006 Eike Stepper, Germany.
* 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
**************************************************************************/
package org.eclipse.emf.cdo.internal.ui.views;
import org.eclipse.emf.cdo.CDOSession;
import org.eclipse.emf.cdo.CDOView;
import org.eclipse.emf.cdo.internal.ui.ResourceHistory;
import org.eclipse.emf.cdo.internal.ui.bundle.SharedIcons;
import org.eclipse.net4j.IConnector;
import org.eclipse.net4j.ui.actions.LongRunningAction;
import org.eclipse.net4j.ui.views.ContainerItemProvider;
import org.eclipse.net4j.ui.views.IElementFilter;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPage;
import java.util.Date;
/**
* @author Eike Stepper
*/
public class CDOItemProvider extends ContainerItemProvider
{
private IWorkbenchPage page;
public CDOItemProvider(IWorkbenchPage page)
{
this(page, null);
}
public CDOItemProvider(IWorkbenchPage page, IElementFilter rootElementFilter)
{
super(rootElementFilter);
this.page = page;
}
@Override
public Object[] getChildren(Object element)
{
if (element instanceof CDOView)
{
CDOView view = (CDOView)element;
return getResources(view);
}
return super.getChildren(element);
}
@Override
public String getText(Object obj)
{
if (obj instanceof CDOSession)
{
CDOSession session = (CDOSession)obj;
IConnector connector = session.getChannel().getConnector();
String repositoryName = session.getRepositoryName();
return connector.getURL() + "/" + repositoryName;
}
if (obj instanceof CDOView)
{
CDOView view = (CDOView)obj;
return view.isHistorical() ? new Date(view.getTimeStamp()).toString() : view.isReadOnly() ? "readOnly"
: "readWrite";
}
return super.getText(obj);
}
@Override
public Image getImage(Object obj)
{
if (obj instanceof CDOSession)
{
return SharedIcons.getImage(SharedIcons.OBJ_SESSION);
}
if (obj instanceof CDOView)
{
CDOView view = (CDOView)obj;
if (view.isHistorical())
{
return SharedIcons.getImage(SharedIcons.OBJ_EDITOR_HISTORICAL);
}
if (view.isReadOnly())
{
return SharedIcons.getImage(SharedIcons.OBJ_EDITOR_READONLY);
}
return SharedIcons.getImage(SharedIcons.OBJ_EDITOR);
}
return super.getImage(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)
{
CDOSession session = (CDOSession)object;
manager.add(new OpenViewAction("Open View", "Open a CDO view", session)
{
@Override
protected CDOView createView()
{
return getSession().openView(new ResourceSetImpl());
}
});
manager.add(new OpenViewAction("Open Read-Only View", "Open a read-only CDO view", session)
{
@Override
protected CDOView createView()
{
return getSession().openView(new ResourceSetImpl(), true);
}
});
manager.add(new OpenViewAction("Open Historical View", "Open a historical CDO view", session)
{
@Override
protected CDOView createView()
{
return getSession().openView(new ResourceSetImpl(), System.currentTimeMillis());
}
});
}
}
}
public static ImageDescriptor getOpenEditorImageDescriptor()
{
return SharedIcons.getDescriptor(SharedIcons.ETOOL_OPEN_EDITOR);
}
/**
* @author Eike Stepper
*/
private abstract class OpenViewAction extends LongRunningAction
{
private CDOSession session;
public OpenViewAction(String text, String toolTipText, CDOSession session)
{
super(page, text, toolTipText, getOpenEditorImageDescriptor());
this.session = session;
}
public CDOSession getSession()
{
return session;
}
@Override
protected void doRun(final IWorkbenchPage page, IProgressMonitor monitor) throws Exception
{
// final Exception[] exception = new Exception[1];
// final CDOView view =
createView();
// final IWorkbenchPart part = page.getActivePart();
// getDisplay().asyncExec(new Runnable()
// {
// public void run()
// {
// try
// {
// if (part instanceof ISetSelectionTarget)
// {
// ((ISetSelectionTarget)part).selectReveal(new
// StructuredSelection(view));
// }
//
// CDOEditor.open(page, view, "/res/test");
// }
// catch (Exception ex)
// {
// exception[0] = ex;
// }
// }
// });
//
// if (exception[0] != null)
// {
// throw exception[0];
// }
}
protected abstract CDOView createView();
}
@Override
protected Display getDisplay()
{
Display display = getViewer().getControl().getDisplay();
if (display == null)
{
display = Display.getCurrent();
}
if (display == null)
{
display = Display.getDefault();
}
if (display == null)
{
throw new IllegalStateException("display == null");
}
return display;
}
protected Object[] getResources(CDOView view)
{
return ResourceHistory.INSTANCE.getEntries(view);
}
}
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