Synnefo

/*

 * Copyright 2011 GRNET S.A. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or

 * without modification, are permitted provided that the following

 * conditions are met:

 *

 *   1. Redistributions of source code must retain the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer.

 *

 *   2. Redistributions in binary form must reproduce the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer in the documentation and/or other materials

 *      provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 *

 * The views and conclusions contained in the software and

 * documentation are those of the authors and should not be

 * interpreted as representing official policies, either expressed

 * or implied, of GRNET S.A.

 */

package gr.grnet.pithos.web.client.commands;

import gr.grnet.pithos.web.client.Pithos;

import gr.grnet.pithos.web.client.rest.DeleteCommand;

import gr.grnet.pithos.web.client.rest.RestException;

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;

/**

 * Command to empty trash bin.

 */

public class EmptyTrashCommand implements Command{

        private PopupPanel containerPanel;

    private Pithos app;

        public EmptyTrashCommand(Pithos _app, PopupPanel _containerPanel){

        app = _app;

                containerPanel = _containerPanel;

        }

        @Override

        public void execute() {

                containerPanel.hide();

                DeleteCommand df = new DeleteCommand(app, app.getTreeView().getTrash().getUri()){

                        @Override

                        public void onComplete() {

                                app.getTreeView().updateTrashNode();

                                app.showFileList(true);

                        }

                        @Override

                        public void onError(Throwable t) {

                                GWT.log("", t);

                                if(t instanceof RestException){

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

                                        if(statusCode == 405)

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

                                        else if(statusCode == 404)

                                                app.displayError("Resource does not exist");

                                        else

                                                app.displayError("Unable to empty trash:"+((RestException)t).getHttpStatusText());

                                }

                                else

                                        app.displayError("System error emptying trash:"+t.getMessage());

                        }

                };

                DeferredCommand.addCommand(df);

        }

}