Java tutorial
/* * Copyright (C) 2014 Language In Interaction * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package nl.ru.languageininteraction.synaesthesia.client.presenter; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.dom.client.TouchEndEvent; import com.google.gwt.event.dom.client.TouchEndHandler; import nl.ru.languageininteraction.language.client.presenter.AbstractPresenter; import nl.ru.languageininteraction.language.client.presenter.Presenter; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.CheckBox; import com.google.gwt.user.client.ui.RootLayoutPanel; import nl.ru.languageininteraction.synaesthesia.client.view.RegisterView; import nl.ru.languageininteraction.language.client.listener.AppEventListner; import nl.ru.languageininteraction.language.client.listener.PresenterEventListner; import nl.ru.languageininteraction.language.client.model.MetadataField; import nl.ru.languageininteraction.language.client.model.UserResults; import nl.ru.languageininteraction.synaesthesia.client.registration.RegistrationListener; import nl.ru.languageininteraction.synaesthesia.client.registration.RegistrationService; import nl.ru.languageininteraction.language.client.service.MetadataFieldProvider; import nl.ru.languageininteraction.language.client.view.SimpleView; /** * @since Oct 21, 2014 5:06:21 PM (creation date) * @author Peter Withers <p.withers@psych.ru.nl> */ public class RegisterPresenter extends AbstractPresenter implements Presenter { //protected final InformationSheet informationSheet = GWT.create(InformationSheet.class); final MetadataFieldProvider metadataFieldProvider = new MetadataFieldProvider(); private final UserResults userResults; private AppEventListner.ApplicationState nextState; public RegisterPresenter(RootLayoutPanel widgetTag, UserResults userResults) { super(widgetTag, new RegisterView()); this.userResults = userResults; } @Override public void setState(AppEventListner appEventListner, AppEventListner.ApplicationState prevState, AppEventListner.ApplicationState nextState) { this.nextState = nextState; super.setState(appEventListner, prevState, null); } @Override protected void setTitle(PresenterEventListner titleBarListner) { simpleView.addTitle(messages.registerScreenTitle(), titleBarListner); } @Override protected void setContent(final AppEventListner appEventListner) { ((RegisterView) simpleView).addText(messages.registerScreenText()); for (MetadataField metadataField : metadataFieldProvider.metadataFieldArray) { ((RegisterView) simpleView).addField(metadataField.getFieldLabel(), userResults.getMetadataValue(metadataField.getPostName())); } ((RegisterView) simpleView).addOptionButton(new PresenterEventListner() { @Override public String getLabel() { return messages.editMetadataLabel(); } @Override public void eventFired(Button button) { appEventListner.requestApplicationState(AppEventListner.ApplicationState.metadata); } }); ((RegisterView) simpleView).addOptionButton(new PresenterEventListner() { @Override public String getLabel() { return messages.informationSheetLink(); } @Override public void eventFired(Button button) { appEventListner.requestApplicationState(AppEventListner.ApplicationState.moreinfo); } }); ((RegisterView) simpleView).addText(messages.informationSheetCheckBox()); final CheckBox agreementCheckBox = ((RegisterView) simpleView).addCheckBox(""); final Button registerButton = addRegisterButton(appEventListner); agreementCheckBox.setValue(false); registerButton.setEnabled(false); agreementCheckBox.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { // event.preventDefault(); // event.stopPropagation(); // on chrome the check box is changed before this code is reached // agreementCheckBox.setValue(!registerButton.isEnabled()); registerButton.setEnabled(agreementCheckBox.getValue()); } }); agreementCheckBox.addTouchEndHandler(new TouchEndHandler() { @Override public void onTouchEnd(TouchEndEvent event) { event.preventDefault(); agreementCheckBox.setValue(!agreementCheckBox.getValue()); registerButton.setEnabled(agreementCheckBox.getValue()); } }); } private Button addRegisterButton(final AppEventListner appEventListner) { final Button registerButton = simpleView.setButton(SimpleView.ButtonType.next, new PresenterEventListner() { @Override public void eventFired(Button button) { ((RegisterView) simpleView).clearGui(); simpleView.removeButton(button); simpleView.setDisplayText("Connecting"); final RegistrationService registrationService = new RegistrationService(); registrationService.submitRegistration(userResults, new RegistrationListener() { @Override public void registrationFailed(Throwable exception) { simpleView.setDisplayText("Registration failed. " + exception.getMessage()); addRegisterButton(appEventListner); } @Override public void registrationComplete() { simpleView.setDisplayText("Registration complete."); userResults.clearResults(); simpleView.setButton(SimpleView.ButtonType.next, new PresenterEventListner() { @Override public void eventFired(Button button) { appEventListner.requestApplicationState(AppEventListner.ApplicationState.version); } @Override public String getLabel() { return AppEventListner.ApplicationState.version.label; } }); } }, messages.reportDateFormat()); } @Override public String getLabel() { return messages.registerButton(); } }); return registerButton; } }