| /* |
| * Copyright (c) 2014, 2015 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.oomph.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 = ((IAdaptable)element).getAdapter(IResource.class); |
| } |
| |
| if (resource == null) |
| { |
| resource = 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); |
| } |