com.siteview.mde.internal.ui.editor.OpenManifestAction.java Source code

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Here is the source code for com.siteview.mde.internal.ui.editor.OpenManifestAction.java

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/*******************************************************************************
 *  Copyright (c) 2006, 2010 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *     Alex Blewitt (alex_blewitt@yahoo.com) - contributed a patch for:
 *       o Add an 'Open Manifest' to projects to open the manifest editor
 *         (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=133692)
 *******************************************************************************/
package com.siteview.mde.internal.ui.editor;

import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import com.siteview.mde.internal.core.WorkspaceModelManager;
import com.siteview.mde.internal.core.project.PDEProject;
import com.siteview.mde.internal.ui.*;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.ui.*;
import org.eclipse.ui.ide.IDE;

public class OpenManifestAction implements IWorkbenchWindowActionDelegate {

    private ISelection fSelection;

    public OpenManifestAction() {
        super();
    }

    public void dispose() {
    }

    public void init(IWorkbenchWindow window) {
    }

    public void run(IAction action) {
        if (fSelection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection) fSelection;
            Iterator it = ssel.iterator();
            final ArrayList projects = new ArrayList();
            while (it.hasNext()) {
                Object element = it.next();
                IProject proj = null;
                if (element instanceof IFile)
                    proj = ((IFile) element).getProject();
                else if (element instanceof IProject)
                    proj = (IProject) element;
                else if (element instanceof IAdaptable)
                    proj = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
                if (proj != null && WorkspaceModelManager.isPluginProject(proj))
                    projects.add(proj);
            }
            if (projects.size() > 0) {
                BusyIndicator.showWhile(MDEPlugin.getActiveWorkbenchShell().getDisplay(), new Runnable() {
                    public void run() {
                        Iterator it = projects.iterator();
                        while (it.hasNext()) {
                            IProject project = (IProject) it.next();
                            IFile file = PDEProject.getManifest(project);
                            if (file == null || !file.exists())
                                file = PDEProject.getPluginXml(project);
                            if (file == null || !file.exists())
                                file = PDEProject.getFragmentXml(project);
                            if (file == null || !file.exists())
                                MessageDialog.openError(MDEPlugin.getActiveWorkbenchShell(),
                                        MDEUIMessages.OpenManifestsAction_title,
                                        NLS.bind(MDEUIMessages.OpenManifestsAction_cannotFind, project.getName()));
                            else
                                try {
                                    IDE.openEditor(MDEPlugin.getActivePage(), file,
                                            IMDEUIConstants.MANIFEST_EDITOR_ID);
                                } catch (PartInitException e) {
                                    MessageDialog.openError(MDEPlugin.getActiveWorkbenchShell(),
                                            MDEUIMessages.OpenManifestsAction_title,
                                            NLS.bind(MDEUIMessages.OpenManifestsAction_cannotOpen,
                                                    project.getName()));
                                }
                        }
                    }
                });
            } else
                MessageDialog.openInformation(MDEPlugin.getActiveWorkbenchShell(),
                        MDEUIMessages.OpenManifestsAction_title, MDEUIMessages.OpenManifestAction_noManifest);
        }
    }

    public void selectionChanged(IAction action, ISelection selection) {
        fSelection = selection;
    }
}