/*
* 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 java.util.List;
import java.util.concurrent.Callable;
import javax.inject.Inject;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.IHeaderContributor;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.IFormSubmitter;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.CssResourceReference;
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.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.mgr.AdapterManager;
import org.apache.isis.core.metamodel.adapter.version.ConcurrencyException;
import org.apache.isis.core.runtime.persistence.adaptermanager.AdapterManagerDefault;
import org.apache.isis.core.runtime.system.context.IsisContext;
import org.apache.isis.core.runtime.system.persistence.Persistor;
import org.apache.isis.viewer.wicket.model.isis.PersistenceSessionProvider;
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.pages.PageClassRegistry;
import org.apache.isis.viewer.wicket.ui.pages.PageClassRegistryAccessor;
import org.apache.isis.viewer.wicket.ui.pages.entity.EntityPage;
public abstract class FormAbstract<T> extends Form<T> implements IHeaderContributor, ComponentFactoryRegistryAccessor, PageClassRegistryAccessor, AuthenticationSessionProvider, PersistenceSessionProvider {
private static final long serialVersionUID = 1L;
public FormAbstract(final String id) {
super(id);
}
public FormAbstract(final String id, final IModel<T> model) {
super(id, model);
}
// ///////////////////////////////////////////////////////////////////
// IHeaderContributor
// ///////////////////////////////////////////////////////////////////
/**
* Automatically reference any corresponding CSS.
*/
@Override
public void renderHead(final IHeaderResponse response) {
super.renderHead(response);
renderHead(response, this.getClass());
}
/**
* Factored out to allow non-concrete subclasses to additionally render
* their own CSS if required.
*/
protected void renderHead(final IHeaderResponse response, final Class<?> cls) {
final String url = cls.getSimpleName() + ".css";
//response.renderCSSReference(new PackageResourceReference(cls, url));
response.render(CssHeaderItem.forReference(new CssResourceReference(cls, url)));
}
// ///////////////////////////////////////////////////////////////////
// process() override
// ///////////////////////////////////////////////////////////////////
private String preValidationErrorIfAny;
/**
* Temporarily made available during {@link #process(IFormSubmitter)},
* for the benefit of any form validation.
*/
protected String getPreValidationErrorIfAny() {
return preValidationErrorIfAny;
}
@Override
public void process(final IFormSubmitter submittingComponent) {
try {
if(submittingComponent instanceof IFormSubmitterWithPreValidateHook) {
IFormSubmitterWithPreValidateHook componentWithPreSubmitHook = (IFormSubmitterWithPreValidateHook) submittingComponent;
preValidationErrorIfAny = componentWithPreSubmitHook.preValidate();
}
if(preValidationErrorIfAny != null) {
// an exception has already occurred, so disable for remainder of thread.
AdapterManager.ConcurrencyChecking.executeWithConcurrencyCheckingDisabled(new Runnable(){
@Override
public void run() {
FormAbstract.super.process(submittingComponent);
}
});
} else {
super.process(submittingComponent);
}
} finally {
preValidationErrorIfAny = null;
}
}
// ///////////////////////////////////////////////////////////////////
// Convenience
// ///////////////////////////////////////////////////////////////////
@Inject
private ComponentFactoryRegistry componentFactoryRegistry;
@Override
public ComponentFactoryRegistry getComponentFactoryRegistry() {
//return ((ComponentFactoryRegistryAccessor) getApplication()).getComponentFactoryRegistry();
return componentFactoryRegistry;
}
@Override
public PageClassRegistry getPageClassRegistry() {
return ((PageClassRegistryAccessor) getApplication()).getPageClassRegistry();
}
// ///////////////////////////////////////////////////////////////////
// Dependencies (from IsisContext)
// ///////////////////////////////////////////////////////////////////
public IsisContext getIsisContext() {
return IsisContext.getInstance();
}
@Override
public Persistor getPersistenceSession() {
return IsisContext.getPersistenceSession();
}
@Override
public AuthenticationSession getAuthenticationSession() {
return IsisContext.getAuthenticationSession();
}
protected List<ObjectAdapter> getServiceAdapters() {
return IsisContext.getPersistenceSession().getServices();
}
// /////////////////////////////////////////////////
// *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);
}
}
}