DownloadAction.java

/**
 * This file Copyright (c) 2005-2010 Aptana, Inc. This program is
 * dual-licensed under both the Aptana Public License and the GNU General
 * Public license. You may elect to use one or the other of these licenses.
 * 
 * This program is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT. Redistribution, except as permitted by whichever of
 * the GPL or APL you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or modify this
 * program under the terms of the GNU General Public License,
 * Version 3, as published by the Free Software Foundation.  You should
 * have received a copy of the GNU General Public License, Version 3 along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * 
 * Aptana provides a special exception to allow redistribution of this file
 * with certain other free and open source software ("FOSS") code and certain additional terms
 * pursuant to Section 7 of the GPL. You may view the exception and these
 * terms on the web at http://www.aptana.com/legal/gpl/.
 * 
 * 2. For the Aptana Public License (APL), this program and the
 * accompanying materials are made available under the terms of the APL
 * v1.0 which accompanies this distribution, and is available at
 * http://www.aptana.com/legal/apl/.
 * 
 * You may view the GPL, Aptana's exception and additional terms, and the
 * APL in the file titled license.html at the root of the corresponding
 * plugin containing this source file.
 * 
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.ide.syncing.ui.actions;

import java.text.MessageFormat;

import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.IJobChangeListener;
import org.eclipse.core.runtime.jobs.Job;

import com.aptana.ide.core.StringUtils;
import com.aptana.ide.core.io.IConnectionPoint;
import com.aptana.ide.core.io.syncing.VirtualFileSyncPair;
import com.aptana.ide.core.ui.DialogUtils;
import com.aptana.ide.syncing.core.ISiteConnection;
import com.aptana.ide.syncing.core.Synchronizer;
import com.aptana.ide.syncing.ui.SyncingUIPlugin;
import com.aptana.ide.syncing.ui.internal.SyncUtils;
import com.aptana.ide.syncing.ui.preferences.IPreferenceConstants;

/**
 * @author Michael Xia (mxia@aptana.com)
 */
public class DownloadAction extends BaseSyncAction {

	private IJobChangeListener jobListener;

    private static String MESSAGE_TITLE = StringUtils
            .ellipsify(Messages.DownloadAction_MessageTitle);

    protected void performAction(final IAdaptable[] files, final ISiteConnection site)
            throws CoreException {
    	final Synchronizer syncer = new Synchronizer();
        Job job = new Job(MESSAGE_TITLE) {

            @Override
            protected IStatus run(final IProgressMonitor monitor) {
            	monitor.subTask(StringUtils.ellipsify(Messages.BasySyncAction_RetrievingItems));

                try {
                	IConnectionPoint source = site.getSource();
                	IConnectionPoint target = site.getDestination();
                	// retrieves the root filestore of each end
                	IFileStore sourceRoot = (fSourceRoot == null) ? source.getRoot() : fSourceRoot;
                    if (!target.isConnected()) {
                        target.connect(monitor);
                    }
                    IFileStore targetRoot = (fDestinationRoot == null) ? target.getRoot() : fDestinationRoot;
                    syncer.setClientFileManager(source);
                    syncer.setServerFileManager(target);
                    syncer.setClientFileRoot(sourceRoot);
                    syncer.setServerFileRoot(targetRoot);

                    // gets the filestores of the files to be copied
                    IFileStore[] fileStores = new IFileStore[files.length];
                    for (int i = 0; i < fileStores.length; ++i) {
                        fileStores[i] = SyncUtils.getFileStore(files[i]);
                    }
					IFileStore[] targetFiles = SyncUtils.getDownloadFiles(source, target, fileStores, fSelectedFromSource, true, monitor);

					VirtualFileSyncPair[] items = syncer.createSyncItems(new IFileStore[0], targetFiles, monitor);

					syncer.setEventHandler(new SyncActionEventHandler(Messages.DownloadAction_MessageTitle,
							items.length, monitor, new SyncActionEventHandler.Client() {

								public void syncCompleted() {
									for (IAdaptable file : files) {
										if (file instanceof IResource) {
											try {
												((IResource) file).refreshLocal(IResource.DEPTH_INFINITE, monitor);
											} catch (CoreException e) {
											}
										}
									}

									postAction(syncer);
									syncer.setEventHandler(null);
									syncer.disconnect();
								}
							}));
					syncer.download(items, monitor);
                } catch (Exception e) {
                    return new Status(Status.ERROR, SyncingUIPlugin.PLUGIN_ID, e
                            .getLocalizedMessage(), e);
                }

                return Status.OK_STATUS;
            }
        };
        if (jobListener != null) {
			job.addJobChangeListener(jobListener);
		}
        job.setUser(true);
        job.schedule();
    }

	public void addJobListener(IJobChangeListener listener) {
		jobListener = listener;
	}

    protected String getMessageTitle() {
        return MESSAGE_TITLE;
    }

    private void postAction(final Synchronizer syncer) {
        getShell().getDisplay().asyncExec(new Runnable() {

            public void run() {
				DialogUtils.openIgnoreMessageDialogInformation(getShell(), MESSAGE_TITLE, MessageFormat.format(
						Messages.DownloadAction_PostMessage, syncer.getServerFileTransferedCount(),
						syncer.getClientDirectoryCreatedCount()), SyncingUIPlugin.getDefault().getPreferenceStore(),
						IPreferenceConstants.IGNORE_DIALOG_FILE_DOWNLOAD);
            }
        });
    }
}