org.onecmdb.ui.gwt.desktop.client.widget.LoginWidget.java Source code

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Here is the source code for org.onecmdb.ui.gwt.desktop.client.widget.LoginWidget.java

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/*
 * Lokomo OneCMDB - An Open Source Software for Configuration
 * Management of Datacenter Resources
 *
 * Copyright (C) 2006 Lokomo Systems AB
 *
 * This program 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 2 of the License, or (at
 * your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * Lokomo Systems AB can be contacted via e-mail: info@lokomo.com or via
 * paper mail: Lokomo Systems AB, Svrdvgen 27, SE-182 33
 * Danderyd, Sweden.
 *
 */
package org.onecmdb.ui.gwt.desktop.client.widget;

import org.onecmdb.ui.gwt.desktop.client.Version;
import org.onecmdb.ui.gwt.desktop.client.service.model.CMDBSession;
import org.onecmdb.ui.gwt.desktop.client.service.model.ModelServiceFactory;

import com.extjs.gxt.ui.client.event.ComponentEvent;
import com.extjs.gxt.ui.client.event.KeyListener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.widget.Dialog;
import com.extjs.gxt.ui.client.widget.MessageBox;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.form.FormPanel;
import com.extjs.gxt.ui.client.widget.form.TextField;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.extjs.gxt.ui.client.widget.layout.RowData;
import com.extjs.gxt.ui.client.widget.layout.RowLayout;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.KeyboardListener;
import com.google.gwt.user.client.ui.Label;

public class LoginWidget {
    private static String user = null;

    public static void login(boolean lock, final AsyncCallback<CMDBSession> callback) {
        String cookieUser = Cookies.getCookie("auth_username");
        if (cookieUser != null) {
            user = cookieUser;
        }
        final Dialog login = new Dialog();
        login.setClosable(false);
        login.setButtons("");
        login.setBodyBorder(true);
        login.setInsetBorder(true);
        //login.setButtons(Dialog.OK);  
        login.setIconStyle("icon-app-side");
        if (lock) {
            login.setHeading("OneCMDB Desktop - Locked");
        } else {
            login.setHeading("Login - OneCMDB Desktop");
        }
        //<br><a style='font-size:8px'><i>V" + Version.VERSION_STRING + "</i></a></br>");  
        login.setWidth(240);
        login.setHeight(140);
        login.setHideOnButtonClick(true);

        FormPanel panel = new FormPanel();
        panel.setLabelWidth(60);
        panel.setFieldWidth(100);
        panel.setHeaderVisible(false);

        final TextField username = new TextField();
        username.setFieldLabel("Username");
        username.setEmptyText("username");
        if (user != null) {
            username.setValue(user);
        }
        if (lock) {
            username.setEnabled(false);
        }
        panel.add(username);

        final TextField password = new TextField();
        password.setFieldLabel("Password");
        password.setPassword(true);
        password.addKeyListener(new KeyListener() {

            @Override
            public void componentKeyUp(ComponentEvent event) {
                if (event.getKeyCode() == KeyboardListener.KEY_ENTER) {
                    doLogin(login, (String) username.getValue(), (String) password.getValue(), callback);
                }
            }

        });
        panel.add(password);

        login.setLayout(new RowLayout());
        login.add(panel, new RowData(1, 1));
        HTML version = new HTML();
        version.setText("Version " + Version.VERSION_STRING);
        version.setStyleName("cmdb-version-text");
        login.add(version, new RowData(1, -1));
        login.addButton(new Button("Login", new SelectionListener<ComponentEvent>() {

            @Override
            public void componentSelected(ComponentEvent ce) {
                doLogin(login, (String) username.getValue(), (String) password.getValue(), callback);
            }
        }));
        login.setModal(true);
        login.show();
    }

    protected static void doLogin(final Dialog login, String username, String pwd,
            final AsyncCallback<CMDBSession> callback) {
        user = username;
        final MessageBox progress = MessageBox.wait("Login", "Authentication, please wait...", "Authenticating...");

        ModelServiceFactory.get().autenticate(username, pwd, new AsyncCallback<CMDBSession>() {

            public void onFailure(Throwable arg0) {
                progress.close();
                login.close();
                callback.onFailure(arg0);
            }

            public void onSuccess(CMDBSession arg0) {
                progress.close();
                login.close();
                callback.onSuccess(arg0);
            }

        });

    }
}