Synnefo » Pithos

/*

 * 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

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 *

 * 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.DeleteFileDialog;

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

import gr.grnet.pithos.web.client.EditMenu.Images;

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

import gr.grnet.pithos.web.client.rest.resource.FileResource;

import gr.grnet.pithos.web.client.rest.resource.GroupUserResource;

import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper;

import java.util.List;

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

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

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

/**

 * Delete selected object command

 *

 */

public class DeleteCommand implements Command{

        private PopupPanel containerPanel;

        final Images newImages;

        /**

         * @param _containerPanel

         * @param _newImages the images of all the possible delete dialogs

         */

        public DeleteCommand( PopupPanel _containerPanel, final Images _newImages ){

                containerPanel = _containerPanel;

                newImages=_newImages;

        }

        @Override

        public void execute() {

                containerPanel.hide();

                displayDelete();

        }

        /**

         * Display the delete dialog, according to the selected object.

         *

         *

         */

        void displayDelete() {

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

                if (selection == null)

                        return;

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

                if (selection instanceof RestResourceWrapper) {

                        DeleteFolderDialog dlg = new DeleteFolderDialog(newImages);

                        dlg.center();

                } else if (selection instanceof FileResource || selection instanceof List) {

                        DeleteFileDialog dlg = new DeleteFileDialog(newImages);

                        dlg.center();

                } else if (selection instanceof GroupUserResource) {

                        // TODO implement user deletion

                }

    }

}