Java tutorial
/*! * This program is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software * Foundation. * * You should have received a copy of the GNU Lesser General Public License along with this * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html * or from the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * 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 Lesser General Public License for more details. * * Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved. */ package org.pentaho.mantle.client.admin; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.event.dom.client.KeyUpHandler; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Panel; import com.google.gwt.user.client.ui.PasswordTextBox; import com.google.gwt.user.client.ui.SimplePanel; import com.google.gwt.user.client.ui.VerticalPanel; import org.pentaho.gwt.widgets.client.utils.string.StringUtils; import org.pentaho.mantle.client.messages.Messages; import org.pentaho.ui.xul.gwt.tags.GwtDialog; public class ChangePasswordDialog extends GwtDialog { private UpdatePasswordController controller; private PasswordTextBox newPasswordTextBox; private PasswordTextBox reTypePasswordTextBox; private Button acceptBtn = new Button(Messages.getString("ok")); private Button cancelBtn = new Button(Messages.getString("cancel")); public ChangePasswordDialog(UpdatePasswordController controller) { setWidth(260); setHeight(180); getButtonPanel(); setTitle(Messages.getString("changePassword")); acceptBtn.setEnabled(false); newPasswordTextBox = new PasswordTextBox(); newPasswordTextBox.setWidth("240px"); reTypePasswordTextBox = new PasswordTextBox(); reTypePasswordTextBox.setWidth("240px"); TextBoxValueChangeHandler textBoxChangeHandler = new TextBoxValueChangeHandler(); newPasswordTextBox.addKeyUpHandler(textBoxChangeHandler); reTypePasswordTextBox.addKeyUpHandler(textBoxChangeHandler); acceptBtn.setStylePrimaryName("pentaho-button"); acceptBtn.addClickHandler(new AcceptListener()); cancelBtn.setStylePrimaryName("pentaho-button"); cancelBtn.addClickHandler(new CancelListener()); this.controller = controller; } public Panel getButtonPanel() { HorizontalPanel hp = new HorizontalPanel(); hp.add(acceptBtn); hp.setCellWidth(acceptBtn, "100%"); hp.setCellHorizontalAlignment(acceptBtn, HorizontalPanel.ALIGN_RIGHT); hp.add(cancelBtn); return hp; } public Panel getDialogContents() { HorizontalPanel hp = new HorizontalPanel(); SimplePanel hspacer = new SimplePanel(); hspacer.setWidth("10px"); hp.add(hspacer); VerticalPanel vp = new VerticalPanel(); hp.add(vp); SimplePanel vspacer = new SimplePanel(); vspacer.setHeight("10px"); vp.add(vspacer); Label nameLabel = new Label(Messages.getString("newPassword") + ":"); vp.add(nameLabel); vp.add(newPasswordTextBox); Label passwordLabel = new Label(Messages.getString("retypePassword") + ":"); vp.add(passwordLabel); vp.add(reTypePasswordTextBox); return hp; } class AcceptListener implements ClickHandler { public void onClick(ClickEvent event) { String newPassword = newPasswordTextBox.getText(); controller.updatePassword(newPassword); hide(); } } class CancelListener implements ClickHandler { public void onClick(ClickEvent event) { hide(); } } class TextBoxValueChangeHandler implements KeyUpHandler { public void onKeyUp(KeyUpEvent evt) { String password = newPasswordTextBox.getText(); String reTypePassword = reTypePasswordTextBox.getText(); boolean isEnabled = !StringUtils.isEmpty(password) && password.equals(reTypePassword); acceptBtn.setEnabled(isEnabled); } } }