Java tutorial
/******************************************************************************* * Copyright (c) 2012-2013 RelationWare, Benno Luthiger * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * RelationWare, Benno Luthiger ******************************************************************************/ package org.ripla.web.demo.widgets.views; import org.ripla.interfaces.IMessages; import org.ripla.web.demo.widgets.Activator; import org.ripla.web.demo.widgets.controllers.FormController; import org.ripla.web.demo.widgets.data.FormBean; import org.ripla.web.util.AbstractFormCreator; import org.ripla.web.util.LabelValueTable; import org.ripla.web.util.RiplaViewHelper; import com.vaadin.data.Item; import com.vaadin.data.fieldgroup.FieldGroup.CommitException; import com.vaadin.event.ShortcutAction.KeyCode; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Component; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.ListSelect; import com.vaadin.ui.Notification; import com.vaadin.ui.Notification.Type; import com.vaadin.ui.PopupView; import com.vaadin.ui.TextField; import com.vaadin.ui.VerticalLayout; /** * View displaying the form example. * * @author Luthiger */ @SuppressWarnings("serial") public class FormView extends AbstractWidgetsView { private static final int FIELD_WITDH = 250; /** * FormView constructor. * * @param inController * {@link FormController} this view's controller */ public FormView(final FormController inController) { super(); final IMessages lMessages = Activator.getMessages(); final VerticalLayout lLayout = initLayout(lMessages, "widgets.title.page.form"); //$NON-NLS-1$ final FormBean lFormItem = new FormBean(); final RegistrationFormCreator lFormCreator = new RegistrationFormCreator(lFormItem); lLayout.addComponent(lFormCreator.createForm()); final PopupContent lPopupContent = new PopupContent(); final PopupView lPopup = new PopupView(lPopupContent); lPopup.setHideOnMouseOut(false); lPopup.setPopupVisible(false); lLayout.addComponent(lPopup); final Button lSave = new Button(lMessages.getMessage("widgets.view.button.label.save")); lSave.setClickShortcut(KeyCode.ENTER); lSave.addClickListener(new Button.ClickListener() { @Override public void buttonClick(final ClickEvent inEvent) { try { lFormCreator.commit(); final String lFeedback = inController.save(lFormItem); lPopupContent.setFeedback(lFeedback); lPopup.setPopupVisible(true); } catch (final CommitException exc) { Notification.show(exc.getCause().getMessage(), Type.ERROR_MESSAGE); } } }); lLayout.addComponent(lSave); } private static class RegistrationFormCreator extends AbstractFormCreator { public RegistrationFormCreator(final Item inItem) { super(inItem); } @Override protected Component createTable() { final IMessages lMessages = Activator.getMessages(); final LabelValueTable outTable = new LabelValueTable(); final ListSelect lGender = fillSelect(lMessages.getMessage("widgets.view.form.select.sex.1"), lMessages.getMessage("widgets.view.form.select.sex.2")); outTable.addRow(lMessages.getMessage("widgets.view.form.gender"), addField(FormBean.FN_GENDER, lGender)); outTable.addRowEmphasized(lMessages.getMessage("widgets.view.form.name"), addFieldRequired(FormBean.FN_NAME, RiplaViewHelper.createTextField("", FIELD_WITDH, null), lMessages.getMessage("widgets.view.form.name"))); outTable.addRowEmphasized(lMessages.getMessage("widgets.view.form.firstname"), addFieldRequired(FormBean.FN_FIRSTNAME, RiplaViewHelper.createTextField("", FIELD_WITDH, null), lMessages.getMessage("widgets.view.form.firstname"))); outTable.addRow(lMessages.getMessage("widgets.view.form.street"), addField(FormBean.FN_STREET, RiplaViewHelper.createTextField("", FIELD_WITDH, null))); outTable.addRow(lMessages.getMessage("widgets.view.form.city"), createPostalCity()); outTable.addRowEmphasized(lMessages.getMessage("widgets.view.form.mail"), addFieldRequired(FormBean.FN_MAIL, RiplaViewHelper.createTextField("", FIELD_WITDH, null), lMessages.getMessage("widgets.view.form.mail"))); final TextField lAge = RiplaViewHelper.createTextField("", 40, null); lAge.setMaxLength(3); outTable.addRow(lMessages.getMessage("widgets.view.form.age"), addField(FormBean.FN_AGE, lAge)); final ListSelect lEducation = fillSelect(lMessages.getMessage("widgets.view.form.select.educ.1"), lMessages.getMessage("widgets.view.form.select.educ.2"), lMessages.getMessage("widgets.view.form.select.educ.3"), lMessages.getMessage("widgets.view.form.select.educ.4")); outTable.addRow(lMessages.getMessage("widgets.view.form.education"), addField(FormBean.FN_EDUCATION, lEducation)); final ListSelect lWorkarea = fillSelect(lMessages.getMessage("widgets.view.form.select.work.1"), lMessages.getMessage("widgets.view.form.select.work.2"), lMessages.getMessage("widgets.view.form.select.work.3"), lMessages.getMessage("widgets.view.form.select.work.4"), lMessages.getMessage("widgets.view.form.select.work.5"), lMessages.getMessage("widgets.view.form.select.work.6")); outTable.addRow(lMessages.getMessage("widgets.view.form.workarea"), addField(FormBean.FN_WORKAREA, lWorkarea)); return outTable; } private ListSelect fillSelect(final String... inValues) { final ListSelect out = new ListSelect(); out.setWidth(FIELD_WITDH, Unit.PIXELS); out.setRows(1); out.setStyleName("ripla-input"); //$NON-NLS-1$ for (final String lValue : inValues) { out.addItem(lValue); } return out; } private HorizontalLayout createPostalCity() { final HorizontalLayout out = new HorizontalLayout(); out.setStyleName("ripla-input"); //$NON-NLS-1$ out.setSpacing(true); final TextField lPostal = new TextField(); lPostal.setWidth(54, Unit.PIXELS); lPostal.setMaxLength(6); final TextField lCity = new TextField(); lCity.setWidth(190, Unit.PIXELS); out.addComponent(lPostal); out.addComponent(lCity); return out; } } private static class PopupContent implements PopupView.Content { private String feedback = ""; private final VerticalLayout root; PopupContent() { root = new VerticalLayout(); root.setSpacing(true); root.setSizeUndefined(); } @Override public String getMinimizedValueAsHTML() { return ""; } @Override public Component getPopupComponent() { final Label lLayout = new Label(String.format("<p>%s</p>%s", Activator.getMessages().getMessage("widgets.view.form.feedback"), feedback), ContentMode.HTML); lLayout.setWidth(300, Unit.PIXELS); root.removeAllComponents(); root.addComponent(lLayout); return root; } protected void setFeedback(final String inFeedback) { feedback = inFeedback; } } }