org.eclipse.virgo.ide.bundlor.ui/src/org/eclipse/virgo/ide/bundlor/ui/internal/actions/RunBundlorActionDelegate.java

/*********************************************************************
 * Copyright (c) 2009, 2012 SpringSource, a division of VMware, Inc.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
**********************************************************************/

package org.eclipse.virgo.ide.bundlor.ui.internal.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.core.resources.IResource;
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.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.virgo.ide.bundlor.ui.BundlorUiPlugin;
import org.eclipse.virgo.ide.facet.core.FacetUtils;

/**
 * Action delegate that runs Bundlor on the selected projects.
 *
 * @author Christian Dupuis
 * @since 1.1.3
 */
public class RunBundlorActionDelegate implements IObjectActionDelegate {

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

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

        for (final IJavaProject javaProject : projects) {
            BundlorUiPlugin.runBundlorOnProject(javaProject);
        }

    }

    public void selectionChanged(IAction action, ISelection selection) {
        this.selected.clear();
        boolean enabled = true;
        if (selection instanceof IStructuredSelection) {
            Iterator<?> iter = ((IStructuredSelection) selection).iterator();
            while (iter.hasNext()) {
                Object obj = iter.next();
                if (obj instanceof IJavaProject) {
                    obj = ((IJavaProject) obj).getProject();
                }
                if (obj instanceof IResource) {
                    IResource project = (IResource) obj;
                    if (!project.getProject().isOpen()) {
                        enabled = false;
                        break;
                    } else {
                        this.selected.add(project.getProject());
                    }
                } else {
                    enabled = false;
                    break;
                }
            }
        } else {
            IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
            if (activePage != null) {
                IEditorPart editor = activePage.getActiveEditor();
                if (editor != null) {
                    IEditorInput editorInput = editor.getEditorInput();
                    if (editorInput instanceof IFileEditorInput) {
                        this.selected.add(((IFileEditorInput) editorInput).getFile().getProject());
                        enabled = true;
                    }
                }
            }
        }
        action.setEnabled(enabled);
    }

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

    public List<IProject> getSelected() {
        return this.selected;
    }
}