Java tutorial
/* * * @file ShowTipsAtStartupDialog.java * * Copyright (C) 2006-2009 Tensegrity Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as published * by the Free Software Foundation at http://www.gnu.org/copyleft/gpl.html. * * 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., 59 Temple * Place, Suite 330, Boston, MA 02111-1307 USA * * If you are developing and distributing open source applications under the * GPL License, then you are free to use JPalo Modules under the GPL License. For OEMs, * ISVs, and VARs who distribute JPalo Modules with their products, and do not license * and distribute their source code under the GPL, Tensegrity provides a flexible * OEM Commercial License. * * @author Philipp Bouillon <Philipp.Bouillon@tensegrity-software.com> * * @version $Id: ShowTipsAtStartupDialog.java,v 1.6 2010/02/12 13:49:50 PhilippBouillon Exp $ * */ package com.tensegrity.wpalo.client.ui.mvc.viewbrowser; import java.util.Date; import com.extjs.gxt.ui.client.Events; import com.extjs.gxt.ui.client.Style.HorizontalAlignment; import com.extjs.gxt.ui.client.Style.VerticalAlignment; import com.extjs.gxt.ui.client.event.BaseEvent; import com.extjs.gxt.ui.client.event.Listener; import com.extjs.gxt.ui.client.widget.Dialog; import com.extjs.gxt.ui.client.widget.HorizontalPanel; import com.extjs.gxt.ui.client.widget.MessageBox; import com.extjs.gxt.ui.client.widget.button.Button; import com.extjs.gxt.ui.client.widget.button.ButtonBar; import com.extjs.gxt.ui.client.widget.form.CheckBox; import com.extjs.gxt.ui.client.widget.form.LabelField; import com.google.gwt.user.client.Cookies; import com.google.gwt.user.client.rpc.AsyncCallback; import com.tensegrity.wpalo.client.WPaloPropertyServiceProvider; import com.tensegrity.wpalo.client.i18n.ILocalConstants; import com.tensegrity.wpalo.client.i18n.ILocalMessages; import com.tensegrity.wpalo.client.i18n.Resources; public class ShowTipsAtStartupDialog extends Dialog { protected transient final ILocalConstants constants = Resources.getInstance().getConstants(); protected transient final ILocalMessages messages = Resources.getInstance().getMessages(); private CheckBox doNotShowAgain; private int tipNumber; private LabelField headerLabel; private LabelField messageLabel; private Date date; private String user; private final void readFirstTip(final Date date, final String user, final boolean update) { WPaloPropertyServiceProvider.getInstance().getStringProperty(messages.tipMessage(1), new AsyncCallback<String>() { public void onFailure(Throwable t) { } public void onSuccess(String result) { if (result != null && result.length() != 0) { ShowTipsAtStartupDialog.this.tipNumber = 2; if (update) { updateTexts(result); } else { doShowDialog(result, date, user); } } } }); } public ShowTipsAtStartupDialog(int tipNumber, final Date date, final String user) { this.tipNumber = tipNumber; this.date = date; this.user = user; WPaloPropertyServiceProvider.getInstance().getStringProperty(messages.tipMessage(tipNumber), new AsyncCallback<String>() { public void onFailure(Throwable arg0) { readFirstTip(date, user, false); } public void onSuccess(String result) { if (result == null || result.length() == 0) { readFirstTip(date, user, false); } else { ShowTipsAtStartupDialog.this.tipNumber++; doShowDialog(result, date, user); } } }); } private final void navigateTips() { WPaloPropertyServiceProvider.getInstance().getStringProperty(messages.tipMessage(tipNumber), new AsyncCallback<String>() { public void onFailure(Throwable arg0) { readFirstTip(date, user, true); } public void onSuccess(String result) { if (result == null || result.length() == 0) { readFirstTip(date, user, true); } else { ShowTipsAtStartupDialog.this.tipNumber++; updateTexts(result); } } }); } protected void onButtonPressed(Button button) { if (button.getItemId().equalsIgnoreCase(Dialog.NO)) { close(); } else { if (button.getItemId().equalsIgnoreCase(Dialog.YES)) { tipNumber -= 2; if (tipNumber < 1) { WPaloPropertyServiceProvider.getInstance().getIntProperty("lastTip", 1, new AsyncCallback<Integer>() { public void onFailure(Throwable arg0) { tipNumber = 1; navigateTips(); } public void onSuccess(Integer result) { tipNumber = result; navigateTips(); } }); } else { navigateTips(); } } else { navigateTips(); } } } private final void doShowDialog(String msg, final Date date, final String user) { setData("messageBox", true); setHeading(constants.didYouKnow()); setResizable(false); setConstrain(true); setMinimizable(false); setMaximizable(false); setMinWidth(100); setClosable(false); setModal(false); setButtonAlign(HorizontalAlignment.CENTER); setMinHeight(80); setPlain(true); setFooter(true); setButtons(MessageBox.YESNOCANCEL); setHideOnButtonClick(false); setCloseAction(CloseAction.CLOSE); addListener(Events.Close, new Listener<BaseEvent>() { public void handleEvent(BaseEvent be) { boolean showTips = true; if (doNotShowAgain != null) { showTips = !doNotShowAgain.getValue(); } String cookieData = showTips + "," + tipNumber; Cookies.setCookie(ViewBrowser.SHOW_TIPS_COOKIE + user, cookieData, date); } }); if (getButtons() != null) { if (getButtons().contains(Dialog.NO)) { setFocusWidget(getButtonBar().getButtonById(Dialog.NO)); } } ButtonBar bb = getButtonBar(); for (int i = 0; i < bb.getItemCount(); i++) { if (bb.getItem(i).getItemId().equalsIgnoreCase(Dialog.CANCEL)) { bb.getItem(i).setText(constants.showNextTip()); } else if (bb.getItem(i).getItemId().equalsIgnoreCase(Dialog.YES)) { bb.getItem(i).setText(constants.showPreviousTip()); } else if (bb.getItem(i).getItemId().equalsIgnoreCase(Dialog.NO)) { bb.getItem(i).setText(constants.ok()); } } doNotShowAgain = new CheckBox(); doNotShowAgain.setBoxLabel(constants.doNotShowTipsAtStartup()); String[] msgs = msg.split("\\|"); String header = "<b>" + constants.didYouKnow() + "</b>"; String message = msg; if (msgs != null && msgs.length == 2) { header = msgs[0]; message = msgs[1]; } HorizontalPanel hp = new HorizontalPanel(); hp.setVerticalAlign(VerticalAlignment.MIDDLE); hp.setStyleName("margin10"); LabelField l1 = new LabelField(); l1.addStyleName("icon-lightbulb"); hp.add(l1); headerLabel = new LabelField(header); hp.add(headerLabel); messageLabel = new LabelField(message); messageLabel.setStyleName("margin10"); add(hp); add(messageLabel); doNotShowAgain.setStyleName("margin10"); add(doNotShowAgain); setHeight(370); setWidth(420); show(); } private final void updateTexts(String result) { String[] msgs = result.split("\\|"); String header = "<b>" + constants.didYouKnow() + "</b>"; String message = result; if (msgs != null && msgs.length == 2) { header = msgs[0]; message = msgs[1]; } headerLabel.setText(header); messageLabel.setText(message); } }