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/*
* 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
*/
package org.eclipse.emf.cdo.releng.manifests;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* @author Eike Stepper
*/
public abstract class AbstractProjectHandler extends AbstractHandler
{
public AbstractProjectHandler()
{
}
public final Object execute(ExecutionEvent event) throws ExecutionException
{
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
IWorkbenchPage page = window.getActivePage();
if (page == null)
{
return null;
}
IProject project = getProject(page);
if (project != null)
{
execute(page, project);
}
return null;
}
private IProject getProject(IWorkbenchPage page)
{
IResource resource = null;
ISelection selection = page.getSelection();
if (selection instanceof IStructuredSelection)
{
IStructuredSelection ssel = (IStructuredSelection)selection;
if (ssel.size() == 1)
{
Object element = ssel.getFirstElement();
if (element instanceof IResource)
{
resource = (IResource)element;
}
if (resource == null && element instanceof IAdaptable)
{
resource = (IResource)((IAdaptable)element).getAdapter(IResource.class);
}
if (resource == null)
{
resource = (IResource)Platform.getAdapterManager().getAdapter(element, IResource.class);
}
}
}
if (resource == null)
{
IEditorPart editor = page.getActiveEditor();
if (editor != null)
{
IEditorInput input = editor.getEditorInput();
if (input instanceof IFileEditorInput)
{
resource = ((IFileEditorInput)input).getFile();
}
}
}
if (resource == null)
{
return null;
}
return resource.getProject();
}
protected abstract void execute(IWorkbenchPage page, IProject project);
}
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