RefreshServerClasspathContainerActionDelegate.java

/*******************************************************************************
 * Copyright (c) 2009, 2010 SpringSource, a divison of VMware, Inc.
 * 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:
 *     SpringSource, a division of VMware, Inc. - initial API and implementation
 *******************************************************************************/

package org.eclipse.virgo.ide.jdt.internal.ui.actions;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.virgo.ide.facet.core.FacetUtils;
import org.eclipse.virgo.ide.jdt.internal.core.classpath.ServerClasspathContainerUpdateJob;
import org.eclipse.virgo.ide.manifest.internal.core.BundleManifestManager;

/**
 * Menu action to refresh the bundle classpath container.
 * 
 * @author Christian Dupuis
 * @since 1.0.1
 */
public class RefreshServerClasspathContainerActionDelegate implements IObjectActionDelegate {

    private final List<IProject> selected = new ArrayList<IProject>();

    public void run(IAction action) {
        Set<IJavaProject> projects = new LinkedHashSet<IJavaProject>();
        Iterator<IProject> iter = selected.iterator();
        while (iter.hasNext()) {
            IProject project = iter.next();
            if (FacetUtils.isBundleProject(project)) {
                projects.add(JavaCore.create(project));
            } else if (FacetUtils.isParProject(project)) {
                for (IProject bundle : FacetUtils.getBundleProjects(project)) {
                    projects.add(JavaCore.create(bundle));
                }
            }
        }

        for (IJavaProject javaProject : projects) {
            ServerClasspathContainerUpdateJob.scheduleClasspathContainerUpdateJob(javaProject, BundleManifestManager.IMPORTS_CHANGED);
        }

    }

    public void selectionChanged(IAction action, ISelection selection) {
        selected.clear();
        if (selection instanceof IStructuredSelection) {
            boolean enabled = true;
            Iterator<?> iter = ((IStructuredSelection) selection).iterator();
            while (iter.hasNext()) {
                Object obj = iter.next();
                if (obj instanceof IJavaProject) {
                    obj = ((IJavaProject) obj).getProject();
                }
                if (obj instanceof IProject) {
                    IProject project = (IProject) obj;
                    if (!project.isOpen()) {
                        enabled = false;
                        break;
                    } else {
                        selected.add(project);
                    }
                } else {
                    enabled = false;
                    break;
                }
            }
            action.setEnabled(enabled);
        }
    }

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    }

}