Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.isis.viewer.wicket.ui.panels; import org.apache.wicket.Component; import org.apache.wicket.Session; import org.apache.wicket.markup.html.IHeaderContributor; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.IModel; import org.apache.isis.applib.annotation.SemanticsOf; import org.apache.isis.applib.services.i18n.TranslationService; import org.apache.isis.core.commons.authentication.AuthenticationSession; import org.apache.isis.core.commons.authentication.AuthenticationSessionProvider; import org.apache.isis.core.commons.authentication.AuthenticationSessionProviderAware; import org.apache.isis.core.metamodel.deployment.DeploymentCategory; import org.apache.isis.core.metamodel.deployment.DeploymentCategoryAware; import org.apache.isis.core.metamodel.deployment.DeploymentCategoryProvider; import org.apache.isis.core.metamodel.services.ServicesInjectorSpi; import org.apache.isis.core.runtime.system.IsisSystem; import org.apache.isis.core.runtime.system.context.IsisContext; import org.apache.isis.core.runtime.system.persistence.PersistenceSession; import org.apache.isis.viewer.wicket.model.hints.UiHintContainer; import org.apache.isis.viewer.wicket.model.isis.PersistenceSessionProvider; import org.apache.isis.viewer.wicket.ui.ComponentType; import org.apache.isis.viewer.wicket.ui.app.registry.ComponentFactoryRegistry; import org.apache.isis.viewer.wicket.ui.app.registry.ComponentFactoryRegistryAccessor; import org.apache.isis.viewer.wicket.ui.util.Components; import de.agilecoders.wicket.core.markup.html.bootstrap.components.TooltipConfig; import de.agilecoders.wicket.extensions.markup.html.bootstrap.confirmation.ConfirmationBehavior; import de.agilecoders.wicket.extensions.markup.html.bootstrap.confirmation.ConfirmationConfig; /** * Convenience adapter for {@link Panel}s built up using {@link ComponentType}s. */ // TODO mgrigorov: extend GenericPanel and make T the type of the model object, not the model public abstract class PanelAbstract<T extends IModel<?>> extends Panel implements IHeaderContributor, PersistenceSessionProvider, AuthenticationSessionProvider, DeploymentCategoryProvider { private static final long serialVersionUID = 1L; private ComponentType componentType; public PanelAbstract(final ComponentType componentType) { this(componentType, null); } public PanelAbstract(final String id) { this(id, null); } public PanelAbstract(final ComponentType componentType, final T model) { this(componentType.getWicketId(), model); } public PanelAbstract(final String id, final T model) { super(id, model); this.componentType = ComponentType.lookup(id); } /** * Will be null if created using {@link #PanelAbstract(String, IModel)}. */ public ComponentType getComponentType() { return componentType; } @SuppressWarnings("unchecked") public T getModel() { return (T) getDefaultModel(); } /** * For subclasses * * @return */ protected Component addOrReplace(final ComponentType componentType, final IModel<?> model) { return getComponentFactoryRegistry().addOrReplaceComponent(this, componentType, model); } /** * For subclasses */ protected void permanentlyHide(final ComponentType... componentIds) { Components.permanentlyHide(this, componentIds); } /** * For subclasses */ public void permanentlyHide(final String... ids) { Components.permanentlyHide(this, ids); } // /////////////////////////////////////////////////////////////////// // Hint support // /////////////////////////////////////////////////////////////////// public UiHintContainer getUiHintContainer() { return UiHintContainer.Util.hintContainerOf(this); } public <T extends UiHintContainer> T getUiHintContainer(final Class<T> additionalConstraint) { return UiHintContainer.Util.hintContainerOf(this, additionalConstraint); } // /////////////////////////////////////////////////////////////////// // Convenience // /////////////////////////////////////////////////////////////////// /** * The underlying {@link AuthenticationSession Isis session} wrapped in the * {@link #getWebSession() Wicket session}. * * @return */ @Override public AuthenticationSession getAuthenticationSession() { final AuthenticationSessionProvider asa = (AuthenticationSessionProvider) Session.get(); return asa.getAuthenticationSession(); } @Override public DeploymentCategory getDeploymentCategory() { return IsisContext.getDeploymentType().getDeploymentCategory(); } // /////////////////////////////////////////////////////////////////// // Dependencies (from IsisContext) // /////////////////////////////////////////////////////////////////// @Override public PersistenceSession getPersistenceSession() { return IsisContext.getPersistenceSession(); } protected ServicesInjectorSpi getServicesInjector() { return getPersistenceSession().getServicesInjector(); } // ///////////////////////////////////////////////// // Dependency Injection // ///////////////////////////////////////////////// protected ComponentFactoryRegistry getComponentFactoryRegistry() { return ((ComponentFactoryRegistryAccessor) getApplication()).getComponentFactoryRegistry(); } // ///////////////////////////////////////////////// // *Provider impl. // ///////////////////////////////////////////////// @Override public void injectInto(final Object candidate) { if (AuthenticationSessionProviderAware.class.isAssignableFrom(candidate.getClass())) { final AuthenticationSessionProviderAware cast = AuthenticationSessionProviderAware.class .cast(candidate); cast.setAuthenticationSessionProvider(this); } if (DeploymentCategoryAware.class.isAssignableFrom(candidate.getClass())) { final DeploymentCategoryAware cast = DeploymentCategoryAware.class.cast(candidate); cast.setDeploymentCategory(this.getDeploymentCategory()); } } /** * Helper method that looks up a domain service by type * * @param serviceClass The class of the domain service to lookup * @param <S> The type of the domain service to lookup * @return The found domain service */ protected <S> S lookupService(final Class<S> serviceClass) { return getPersistenceSession().getServicesInjector().lookupService(serviceClass); } protected void addConfirmationDialogIfAreYouSureSemantics(final Component component, final SemanticsOf semanticsOf) { if (!semanticsOf.isAreYouSure()) { return; } final TranslationService translationService = getPersistenceSession().getServicesInjector() .lookupService(TranslationService.class); ConfirmationConfig confirmationConfig = new ConfirmationConfig(); final String context = IsisSystem.class.getName(); final String areYouSure = translationService.translate(context, IsisSystem.MSG_ARE_YOU_SURE); final String confirm = translationService.translate(context, IsisSystem.MSG_CONFIRM); final String cancel = translationService.translate(context, IsisSystem.MSG_CANCEL); confirmationConfig.withTitle(areYouSure).withBtnOkLabel(confirm).withBtnCancelLabel(cancel) .withPlacement(TooltipConfig.Placement.right).withBtnOkClass("btn btn-danger") .withBtnCancelClass("btn btn-default"); component.add(new ConfirmationBehavior(confirmationConfig)); } }