Synnefo » Pithos

/*

 * Copyright 2008, 2009 Electronic Business Systems Ltd.

 *

 * This file is part of GSS.

 *

 * GSS is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * GSS is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with GSS.  If not, see <http://www.gnu.org/licenses/>.

 */

package gr.ebs.gss.client.commands;

import gr.ebs.gss.client.GSS;

import gr.ebs.gss.client.dnd.DnDTreeItem;

import gr.ebs.gss.client.rest.MultiplePostCommand;

import gr.ebs.gss.client.rest.PostCommand;

import gr.ebs.gss.client.rest.RestException;

import gr.ebs.gss.client.rest.resource.FileResource;

import gr.ebs.gss.client.rest.resource.FolderResource;

import java.util.ArrayList;

import java.util.List;

import com.google.gwt.core.client.GWT;

import com.google.gwt.user.client.Command;

import com.google.gwt.user.client.DeferredCommand;

import com.google.gwt.user.client.ui.PopupPanel;

import com.google.gwt.user.client.ui.TreeItem;

/**

 *

 * Restore trashed files and folders.

 *

 * @author kman

 */

public class RestoreTrashCommand implements Command{

        private PopupPanel containerPanel;

        public RestoreTrashCommand(PopupPanel _containerPanel){

                containerPanel = _containerPanel;

        }

        public void execute() {

                containerPanel.hide();

                Object selection = GSS.get().getCurrentSelection();

                if (selection == null){

                        // Check to see if Trash Node is selected.

                        List folderList = new ArrayList();

                        TreeItem trashItem = GSS.get().getFolders().getTrashItem();

                        for(int i=0 ; i < trashItem.getChildCount() ; i++)

                                folderList.add(trashItem.getChild(i).getUserObject());

                        return;

                }

                GWT.log("selection: " + selection.toString(), null);

                if (selection instanceof FileResource) {

                        final FileResource resource = (FileResource)selection;

                        PostCommand rt = new PostCommand(resource.getUri()+"?restore=","", 200){

                                @Override

                                public void onComplete() {

                                        GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());

                                        GSS.get().showFileList(true);

                                }

                                @Override

                                public void onError(Throwable t) {

                                        GWT.log("", t);

                                        if(t instanceof RestException){

                                                int statusCode = ((RestException)t).getHttpStatusCode();

                                                if(statusCode == 405)

                                                        GSS.get().displayError("You don't have the necessary permissions");

                                                else if(statusCode == 404)

                                                        GSS.get().displayError("File does not exist");

                                                else if(statusCode == 409)

                                                        GSS.get().displayError("A file with the same name already exists");

                                                else if(statusCode == 413)

                                                        GSS.get().displayError("Your quota has been exceeded");

                                                else

                                                        GSS.get().displayError("Unable to restore file:"+((RestException)t).getHttpStatusText());

                                        }

                                        else

                                                GSS.get().displayError("System error restoring file:"+t.getMessage());

                                }

                        };

                        DeferredCommand.addCommand(rt);

                }

                else if (selection instanceof List) {

                        final List<FileResource> fdtos = (List<FileResource>) selection;

                        final List<String> fileIds = new ArrayList<String>();

                        for(FileResource f : fdtos)

                                fileIds.add(f.getUri()+"?restore=");

                        MultiplePostCommand rt = new MultiplePostCommand(fileIds.toArray(new String[0]), 200){

                                @Override

                                public void onComplete() {

                                        GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());

                                        GSS.get().showFileList(true);

                                }

                                @Override

                                public void onError(String p, Throwable t) {

                                        GWT.log("", t);

                                        if(t instanceof RestException){

                                                int statusCode = ((RestException)t).getHttpStatusCode();

                                                if(statusCode == 405)

                                                        GSS.get().displayError("You don't have the necessary permissions");

                                                else if(statusCode == 404)

                                                        GSS.get().displayError("File does not exist");

                                                else if(statusCode == 409)

                                                        GSS.get().displayError("A file with the same name already exists");

                                                else if(statusCode == 413)

                                                        GSS.get().displayError("Your quota has been exceeded");

                                                else

                                                        GSS.get().displayError("Unable to restore file::"+((RestException)t).getHttpStatusText());

                                        }

                                        else

                                                GSS.get().displayError("System error restoring file:"+t.getMessage());

                                }

                        };

                        DeferredCommand.addCommand(rt);

                }

                else if (selection instanceof FolderResource) {

                        final FolderResource resource = (FolderResource)selection;

                        PostCommand rt = new PostCommand(resource.getUri()+"?restore=","", 200){

                                @Override

                                public void onComplete() {

                                        GSS.get().getFolders().updateFolder((DnDTreeItem) GSS.get().getFolders().getRootItem());

                                        GSS.get().getFolders().update(GSS.get().getFolders().getTrashItem());

                                }

                                @Override

                                public void onError(Throwable t) {

                                        GWT.log("", t);

                                        if(t instanceof RestException){

                                                int statusCode = ((RestException)t).getHttpStatusCode();

                                                if(statusCode == 405)

                                                        GSS.get().displayError("You don't have the necessary permissions");

                                                else if(statusCode == 404)

                                                        GSS.get().displayError("Folder does not exist");

                                                else if(statusCode == 409)

                                                        GSS.get().displayError("A folder with the same name already exists");

                                                else if(statusCode == 413)

                                                        GSS.get().displayError("Your quota has been exceeded");

                                                else

                                                        GSS.get().displayError("Unable to restore folder::"+((RestException)t).getHttpStatusText());

                                        }

                                        else

                                                GSS.get().displayError("System error restoring folder:"+t.getMessage());

                                }

                        };

                        DeferredCommand.addCommand(rt);

                }

        }

}