| /******************************************************************************* |
| * Copyright (c) 2010, 2018 Mat Booth 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 |
| *******************************************************************************/ |
| package org.eclipse.dltk.sh.internal.ui.commands; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * An abstract command handler that iterates through the current selection |
| * looking for projects resources to save us from having this code in every |
| * handler that wants to manipulate projects. |
| */ |
| public abstract class AbstractProjectHandler extends AbstractHandler { |
| |
| @Override |
| public Object execute(ExecutionEvent event) { |
| IStructuredSelection selection = HandlerUtil.getCurrentStructuredSelection(event); |
| Iterator<?> iterator = selection.iterator(); |
| while (iterator.hasNext()) { |
| Object element = iterator.next(); |
| IProject project = null; |
| if (element instanceof IProject) { |
| project = (IProject) element; |
| } else if (element instanceof IAdaptable) { |
| project = ((IAdaptable) element).getAdapter(IProject.class); |
| } |
| if (project != null) { |
| fettleProject(project); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * To be implemented by sub-classes to perform actions on a project. This will |
| * be called once for every project resource that is currently selected. |
| * |
| * @param project a project resource for manipulation |
| */ |
| protected abstract void fettleProject(IProject project); |
| } |