Source Code : Login dialog (Ext GWT)

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Login dialog (Ext GWT)

 
/*
 * Ext GWT - Ext for GWT
 * Copyright(c) 2007-2009, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */

package com.google.gwt.sample.hello.client;

import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
import com.extjs.gxt.ui.client.event.ButtonEvent;
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.util.IconHelper;
import com.extjs.gxt.ui.client.widget.Dialog;
import com.extjs.gxt.ui.client.widget.Status;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.form.TextField;
import com.extjs.gxt.ui.client.widget.layout.FormLayout;
import com.extjs.gxt.ui.client.widget.toolbar.FillToolItem;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.RootPanel;

public class Hello implements EntryPoint {
  public void onModuleLoad() {
   // RootPanel.get().add(new ReorderingTreeGridExample());
    LoginDialog d = new LoginDialog();
    d.show();
  }
}
class LoginDialog extends Dialog {

  protected TextField<String> userName;
  protected TextField<String> password;
  protected Button reset;
  protected Button login;
  protected Status status;

  public LoginDialog() {
    FormLayout layout = new FormLayout();
    layout.setLabelWidth(90);
    layout.setDefaultWidth(155);
    setLayout(layout);
    
    setButtonAlign(HorizontalAlignment.LEFT);
    setButtons("");
    setIcon(IconHelper.createStyle("user"));
    setHeading("GXT Mail Demo Login");
    setModal(true);
    setBodyBorder(true);
    setBodyStyle("padding: 8px;background: none");
    setWidth(300);
    setResizable(false);

    KeyListener keyListener = new KeyListener() {
      public void componentKeyUp(ComponentEvent event) {
        validate();
      }

    };

    userName = new TextField<String>();
    userName.setMinLength(4);
    userName.setFieldLabel("Username");
    userName.addKeyListener(keyListener);
    add(userName);

    password = new TextField<String>();
    password.setMinLength(4);
    password.setPassword(true);
    password.setFieldLabel("Password");
    password.addKeyListener(keyListener);
    add(password);

    setFocusWidget(userName);

  }

  @Override
  protected void createButtons() {
    super.createButtons();
    status = new Status();
    status.setBusy("please wait...");
    status.hide();
    status.setAutoWidth(true);
    getButtonBar().add(status);
    
    getButtonBar().add(new FillToolItem());
    
    reset = new Button("Reset");
    reset.addSelectionListener(new SelectionListener<ButtonEvent>() {
      public void componentSelected(ButtonEvent ce) {
        userName.reset();
        password.reset();
        validate();
        userName.focus();
      }

    });

    login = new Button("Login");
    login.disable();
    login.addSelectionListener(new SelectionListener<ButtonEvent>() {
      public void componentSelected(ButtonEvent ce) {
        onSubmit();
      }
    });

    addButton(reset);
    addButton(login);

    
  }

  protected void onSubmit() {
    status.show();
    getButtonBar().disable();
    Timer t = new Timer() {

      @Override
      public void run() {
        LoginDialog.this.hide();
      }

    };
    t.schedule(2000);
  }

  protected boolean hasValue(TextField<String> field) {
    return field.getValue() != null && field.getValue().length() > 0;
  }

  protected void validate() {
    login.setEnabled(hasValue(userName) && hasValue(password)
        && password.getValue().length() > 3);
  }

}

   
  

Thank with us