Pithos_GSS » GSS

/*

 * 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 org.gss_project.gss.web.client;

import org.gss_project.gss.web.client.Groups.Images;

import org.gss_project.gss.web.client.commands.CopyCommand;

import org.gss_project.gss.web.client.commands.DeleteUserOrGroupCommand;

import org.gss_project.gss.web.client.commands.NewGroupCommand;

import org.gss_project.gss.web.client.commands.NewUserCommand;

import org.gss_project.gss.web.client.commands.PasteCommand;

import org.gss_project.gss.web.client.rest.resource.GroupResource;

import org.gss_project.gss.web.client.rest.resource.GroupUserResource;

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

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

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

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

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

/**

 * @author kman

 *

 */

public class GroupContextMenu extends PopupPanel {

        /**

         * The widget's images.

         */

        private final Images images;

        private MenuItem copy;

        private MenuItem paste;

        private MenuItem newGroup;

        private MenuItem addUser;

        private MenuItem delete;

        public GroupContextMenu(final Images newImages) {

                // The popup's constructor's argument is a boolean specifying that it

                // auto-close itself when the user clicks outside of it.

                super(true);

                images=newImages;

                setAnimationEnabled(true);

                final MenuBar contextMenu = new MenuBar(true);

                newGroup = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.groupNew()).getHTML() + "&nbsp;New Group</span>", true, new NewGroupCommand(this));

                newGroup.getElement().setId("groupContextMenu.newGroup");

                contextMenu.addItem(newGroup);

                addUser = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.groupNew()).getHTML() + "&nbsp;Add User</span>", true, new NewUserCommand(this));

                addUser.getElement().setId("groupContextMenu.addUser");

                contextMenu.addItem(addUser);

                copy = new MenuItem("<span id=groupContextMenu.copyUser>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy User</span>", true, new CopyCommand(this));

                copy.getElement().setId("groupContextMenu.copyUser");

                contextMenu.addItem(copy);

                paste = new MenuItem("<span id=groupContextMenu.pasteUser>" + AbstractImagePrototype.create(newImages.paste()).getHTML() + "&nbsp;Paste User</span>", true, new PasteCommand(this));

                paste.getElement().setId("groupContextMenu.pasteUser");

                contextMenu.addItem(paste);

                delete = new MenuItem("<span id=groupContextMenu.delete>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteUserOrGroupCommand(this,images));

                delete.getElement().setId("groupContextMenu.delete");

                contextMenu.addItem(delete);

                add(contextMenu);

        }

        /* (non-Javadoc)

         * @see com.google.gwt.user.client.ui.PopupPanel#show()

         */

        @Override

        public void show() {

                TreeItem current = GSS.get().getGroups().getCurrent();

                if(current==null){

                        copy.setVisible(false);

                        paste.setVisible(false);

                        addUser.setVisible(false);

                        delete.setVisible(false);

                }

                else{

                        newGroup.setVisible(false);

                        if(current.getUserObject() instanceof GroupUserResource && GSS.get().getCurrentSelection() instanceof GroupUserResource)

                                copy.setVisible(true);

                        else

                                copy.setVisible(false);

                        if(current.getUserObject() instanceof GroupResource && GSS.get().getCurrentSelection() instanceof GroupResource && GSS.get().getClipboard().hasUserItem())

                                paste.setVisible(true);

                        else

                                paste.setVisible(false);

                }

                super.show();

        }

}