org.cruxframework.mediamanager.client.controller.LoginController.java Source code

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Here is the source code for org.cruxframework.mediamanager.client.controller.LoginController.java

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/*
 * Copyright 2011 cruxframework.org.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.cruxframework.mediamanager.client.controller;

import org.cruxframework.crux.core.client.controller.Controller;
import org.cruxframework.crux.core.client.controller.Expose;
import org.cruxframework.crux.core.client.css.animation.Animation;
import org.cruxframework.crux.core.client.css.animation.StandardAnimation;
import org.cruxframework.crux.core.client.ioc.Inject;
import org.cruxframework.crux.core.client.screen.Screen;
import org.cruxframework.crux.core.client.screen.views.View;
import org.cruxframework.crux.smartfaces.client.dialog.MessageBox;
import org.cruxframework.crux.smartfaces.client.dialog.MessageBox.MessageType;
import org.cruxframework.crux.smartfaces.client.dialog.WaitBox;
import org.cruxframework.crux.smartfaces.client.dialog.animation.DialogAnimation;
import org.cruxframework.crux.widgets.client.simplecontainer.SimpleViewContainer;
import org.cruxframework.mediamanager.client.proxy.LoginProxy;

import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;

/**
 * Class description: 
 * @author alexandre.costa
 */
@Controller("loginController")
public class LoginController {
    private static final String DEFAULT_SIGN_UP_MESSAGE = "Login: admin / admin";
    private static final String DEFAULT_ERROR_SIGN_UP = "Username and password invalid!";

    @Inject
    public LoginProxy loginProxy;

    private TextBox loginTextBox;
    private PasswordTextBox passwrodTextBox;

    /**
     * Process user login.
     */
    @Expose
    public void login() {
        /* Get login and password */
        View view = View.of(this);
        loginTextBox = (TextBox) view.getWidget("loginTextBox");
        passwrodTextBox = (PasswordTextBox) view.getWidget("passwordTextBox");
        WaitBox.show("Wait", DialogAnimation.fadeDownUp);
        /* invoke login service */

        loginProxy.login(loginTextBox.getValue(), passwrodTextBox.getValue(), this);
    }

    @Expose
    public void createNewAccount() {
        MessageBox.show(DEFAULT_SIGN_UP_MESSAGE, MessageType.INFO, DialogAnimation.fadeDownUp);
    }

    @Expose
    public void animateLogin() {
        animateLogo();
        animateIntroduction();
        animateFormWrapper();
    }

    /*****************************************
     * Callback States
     *****************************************/

    public void LoginSuccessState(Boolean result) {
        if (result) {
            ((SimpleViewContainer) Screen.get("views")).showView("statistics");
            LoginController.showMenu();
        } else {
            WaitBox.hideAllDialogs();
            MessageBox.show(null, DEFAULT_ERROR_SIGN_UP, MessageType.ERROR, true, false, true, true,
                    "faces-MessageBox", DialogAnimation.fadeDownUp);
        }
    }

    public void LoginFailueState(Throwable caught) {
        Window.alert("Log in unsuccessful");
        this.loginTextBox.setValue("");
        this.passwrodTextBox.setValue("");
    }

    /******************************************
     * Utilities
     ******************************************/

    private static void showMenu() {
        Screen.get("menuView").setVisible(true);
    }

    /******************************************
     * Animations
     ******************************************/

    private void animateLogo() {
        StandardAnimation animation = new StandardAnimation(StandardAnimation.Type.fadeInUp);
        animation.animate(View.of(this).getWidget("logo"));
    }

    private void animateIntroduction() {
        Timer delay = new Timer() {
            @Override
            public void run() {
                final Widget introductionText = View.of(LoginController.this).getWidget("introductionText");

                StandardAnimation animation = new StandardAnimation(StandardAnimation.Type.fadeIn);

                animation.animate(introductionText, new Animation.Callback() {
                    @Override
                    public void onAnimationCompleted() {
                        introductionText.addStyleName("opaque");
                    }
                });
            }
        };
        delay.schedule(600);
    }

    private void animateFormWrapper() {
        StandardAnimation animation = new StandardAnimation(StandardAnimation.Type.fadeInUp);
        animation.animate(View.of(this).getWidget("formWrapper"));
    }
}