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.FolderPropertiesDialog;

import gr.ebs.gss.client.GSS;

import gr.ebs.gss.client.FileMenu.Images;

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

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

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

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

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.IncrementalCommand;

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

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

/**

 * Display the 'new folder' dialog for creating a new folder.

 * @author kman

 *

 */

public class NewFolderCommand implements Command{

        private PopupPanel containerPanel;

        final Images images;

        private List<GroupResource> groups = null;

        /**

         * @param aContainerPanel

         * @param newImages the images of the new folder dialog

         */

        public NewFolderCommand(PopupPanel aContainerPanel, final Images newImages){

                containerPanel = aContainerPanel;

                images=newImages;

        }

        public void execute() {

                containerPanel.hide();

                getGroups();

                DeferredCommand.addCommand(new IncrementalCommand() {

                        public boolean execute() {

                                boolean res = canContinue();

                                if (res) {

                                        displayNewFolder();

                                        return false;

                                }

                                return true;

                        }

                });

        }

        private boolean canContinue() {

                if (groups == null)

                        return false;

                return true;

        }

        void displayNewFolder() {

                TreeItem currentFolder = GSS.get().getFolders().getCurrent();

                if (currentFolder == null) {

                        GSS.get().displayError("You have to select the parent folder first");

                        return;

                }

                FolderPropertiesDialog dlg = new FolderPropertiesDialog(images, true,  groups);

                dlg.center();

        }

        private void getGroups() {

                ExecuteGet<GroupsResource> gg = new ExecuteGet<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath()){

                        @Override

                        public void onComplete() {

                                GroupsResource res = getResult();

                                ExecuteMultipleGet<GroupResource> ga = new ExecuteMultipleGet<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[]{})){

                                        @Override

                                        public void onComplete() {

                                                List<GroupResource> groupList = getResult();

                                                groups = groupList;

                                        }

                                        @Override

                                        public void onError(Throwable t) {

                                                GWT.log("", t);

                                                GSS.get().displayError("Unable to fetch groups");

                                                groups = new ArrayList<GroupResource>();

                                        }

                                        @Override

                                        public void onError(String p, Throwable throwable) {

                                                GWT.log("Path:"+p, throwable);

                                        }

                                };

                                DeferredCommand.addCommand(ga);

                        }

                        @Override

                        public void onError(Throwable t) {

                                GWT.log("", t);

                                GSS.get().displayError("Unable to fetch groups");

                                groups = new ArrayList<GroupResource>();

                        }

                };

                DeferredCommand.addCommand(gg);

        }

}