Java tutorial
/* * $Id$ * $URL$ * * ==================================================================== * Ikasan Enterprise Integration Platform * * Distributed under the Modified BSD License. * Copyright notice: The copyright for this software and a full listing * of individual contributors are as shown in the packaged copyright.txt * file. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * - Neither the name of the ORGANIZATION nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== */ package org.ikasan.dashboard.ui.mappingconfiguration.window; import org.ikasan.dashboard.ui.framework.group.RefreshGroup; import org.ikasan.dashboard.ui.framework.util.SaveRequiredMonitor; import org.ikasan.dashboard.ui.mappingconfiguration.data.NewContextFieldGroup; import org.ikasan.mapping.service.MappingConfigurationService; import org.ikasan.systemevent.service.SystemEventService; import com.vaadin.data.Validator.InvalidValueException; import com.vaadin.data.fieldgroup.FieldGroup.CommitException; import com.vaadin.data.util.ObjectProperty; import com.vaadin.data.util.PropertysetItem; import com.vaadin.data.validator.StringLengthValidator; import com.vaadin.navigator.View; import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent; import com.vaadin.server.Sizeable.Unit; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.Alignment; import com.vaadin.ui.FormLayout; import com.vaadin.ui.GridLayout; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Notification; import com.vaadin.ui.Notification.Type; import com.vaadin.ui.TextArea; import com.vaadin.ui.TextField; import com.vaadin.ui.UI; import com.vaadin.ui.Window; import com.vaadin.ui.themes.ValoTheme; /** * @author Ikasan Development Team * */ public class NewMappingConfigurationContextWindow extends Window implements View { private static final long serialVersionUID = 715001890931201998L; private MappingConfigurationService mappingConfigurationService; private RefreshGroup refreshGroup; private SaveRequiredMonitor saveRequiredMonitor; private final TextField nameField = new TextField(); private final TextArea descriptionField = new TextArea(); private SystemEventService systemEventService; /** * Constructor * * @param mappingConfigurationService * @param refreshGroup * @param saveRequiredMonitor */ public NewMappingConfigurationContextWindow(MappingConfigurationService mappingConfigurationService, RefreshGroup refreshGroup, SaveRequiredMonitor saveRequiredMonitor, SystemEventService systemEventService) { super(); this.refreshGroup = refreshGroup; this.saveRequiredMonitor = saveRequiredMonitor; this.systemEventService = systemEventService; this.mappingConfigurationService = mappingConfigurationService; init(); } /** * Helper method to initialise this object. */ protected void init() { this.setStyleName("dashboard"); this.setModal(true); this.setWidth(500, Unit.PIXELS); this.setHeight(250, Unit.PIXELS); PropertysetItem item = new PropertysetItem(); item.addItemProperty(NewContextFieldGroup.NAME, new ObjectProperty<String>("")); item.addItemProperty(NewContextFieldGroup.DESCRIPTION, new ObjectProperty<String>("")); GridLayout form = new GridLayout(2, 4); form.setColumnExpandRatio(0, .15f); form.setColumnExpandRatio(1, .85f); form.setWidth(100, Unit.PERCENTAGE); form.setMargin(true); form.setSpacing(true); Label newTypeLabel = new Label("New Mapping Configuration Context"); newTypeLabel.setStyleName(ValoTheme.LABEL_HUGE); form.addComponent(newTypeLabel, 0, 0, 1, 0); Label nameLabel = new Label("Name:"); nameLabel.setSizeUndefined(); form.addComponent(nameLabel, 0, 1); form.setComponentAlignment(nameLabel, Alignment.MIDDLE_RIGHT); nameField.setStyleName("ikasan"); nameField.addValidator(new StringLengthValidator("The name must not be blank!", 1, 256, true)); nameField.setValidationVisible(false); nameField.setWidth(70, Unit.PERCENTAGE); form.addComponent(nameField, 1, 1); Label descriptionLabel = new Label("Description:"); descriptionLabel.setSizeUndefined(); form.addComponent(descriptionLabel, 0, 2); form.setComponentAlignment(descriptionLabel, Alignment.TOP_RIGHT); descriptionField.setStyleName("ikasan"); descriptionField .addValidator(new StringLengthValidator("The description must not be blank!", 1, 256, true)); descriptionField.setValidationVisible(false); descriptionField.setWidth(90, Unit.PERCENTAGE); descriptionField.setRows(5); form.addComponent(descriptionField, 1, 2); final NewContextFieldGroup binder = new NewContextFieldGroup(item, this.refreshGroup, this.mappingConfigurationService, this.systemEventService); binder.bind(nameField, NewContextFieldGroup.NAME); binder.bind(descriptionField, NewContextFieldGroup.DESCRIPTION); HorizontalLayout buttons = new HorizontalLayout(); buttons.setSpacing(true); Button saveButton = new Button("Save"); saveButton.setStyleName(ValoTheme.BUTTON_SMALL); saveButton.addClickListener(new ClickListener() { @Override public void buttonClick(ClickEvent event) { try { nameField.validate(); descriptionField.validate(); } catch (InvalidValueException e) { nameField.setValidationVisible(true); descriptionField.setValidationVisible(true); return; } try { binder.commit(); UI.getCurrent().getNavigator().navigateTo("emptyPanel"); nameField.setValue(""); descriptionField.setValue(""); Notification.show("New Mapping Configuration Context Successfully Created!"); saveRequiredMonitor.setSaveRequired(false); close(); } catch (CommitException e) { Notification.show("An error occurred saving a new context! " + e.getMessage(), Type.ERROR_MESSAGE); } } }); buttons.addComponent(saveButton); Button cancelButton = new Button("Cancel"); cancelButton.setStyleName(ValoTheme.BUTTON_SMALL); cancelButton.addClickListener(new ClickListener() { @Override public void buttonClick(ClickEvent event) { UI.getCurrent().getNavigator().navigateTo("emptyPanel"); binder.discard(); saveRequiredMonitor.setSaveRequired(false); close(); } }); buttons.addComponent(cancelButton); form.addComponent(buttons, 0, 3, 1, 3); form.setComponentAlignment(buttons, Alignment.MIDDLE_CENTER); this.setContent(form); } /* (non-Javadoc) * @see com.vaadin.navigator.View#enter(com.vaadin.navigator.ViewChangeListener.ViewChangeEvent) */ @Override public void enter(ViewChangeEvent event) { this.saveRequiredMonitor.setSaveRequired(true); this.nameField.setValidationVisible(false); this.descriptionField.setValidationVisible(false); } }