Revision 2f02081c
Added by Andreas Kohlbecker over 6 years ago
| src/main/java/eu/etaxonomy/vaadin/mvp/AbstractEditorPresenter.java | ||
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.context.ApplicationEventPublisher; |
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import org.springframework.context.event.EventListener; |
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import org.springframework.transaction.TransactionDefinition; |
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import com.vaadin.server.ServletPortletHelper; |
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import com.vaadin.server.VaadinRequest; |
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import com.vaadin.server.VaadinService; |
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import com.vaadin.server.VaadinSession; |
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import com.vaadin.ui.UI; |
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import eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction; |
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import eu.etaxonomy.cdm.vaadin.session.ViewScopeConversationHolder; |
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import eu.etaxonomy.cdm.vaadin.server.CdmSpringVaadinServletService; |
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import eu.etaxonomy.cdm.vaadin.server.RequestEndListener; |
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import eu.etaxonomy.cdm.vaadin.server.RequestStartListener; |
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import eu.etaxonomy.vaadin.mvp.event.EditorDeleteEvent; |
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import eu.etaxonomy.vaadin.mvp.event.EditorPreSaveEvent; |
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import eu.etaxonomy.vaadin.mvp.event.EditorSaveEvent; |
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* @since Apr 5, 2017 |
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* |
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*/ |
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public abstract class AbstractEditorPresenter<DTO extends Object, V extends ApplicationView<?>> extends AbstractPresenter<V> {
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public abstract class AbstractEditorPresenter<DTO extends Object, V extends ApplicationView<?>> extends AbstractPresenter<V> |
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implements RequestEndListener, RequestStartListener {
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private static final long serialVersionUID = -6677074110764145236L; |
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return bean; |
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} |
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@Override |
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protected TransactionDefinition getTransactionDefinition(){
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super.getTransactionDefinition(); |
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if(definition.isReadOnly()){
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definition.setReadOnly(false); |
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} |
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return definition; |
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} |
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// @Override
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// protected TransactionDefinition getTransactionDefinition(){
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// super.getTransactionDefinition();
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// if(definition.isReadOnly()){
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// definition.setReadOnly(false);
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// }
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// return definition;
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// }
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/** |
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* Regarding changing the Flush mode see see also {@link ViewScopeConversationHolder}
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if(!isFromOwnView(preSaveEvent)){
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return; |
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} |
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ensureBoundConversation(); |
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previousPreSaveEvenFlushMode = getConversationHolder().getSession().getFlushMode(); |
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getConversationHolder().getSession().setFlushMode(FlushMode.AUTO); |
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getSession().setFlushMode(FlushMode.AUTO); |
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} |
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} |
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DTO bean = saveEvent.getBean(); |
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saveBean(bean); |
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getConversationHolder().getSession().setFlushMode(previousPreSaveEvenFlushMode);
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getSession().setFlushMode(previousPreSaveEvenFlushMode); |
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previousPreSaveEvenFlushMode = null; |
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} |
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if(!isFromOwnView(deleteEvent)){
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return; |
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} |
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if(!conversationBound){
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bindConversation(); |
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} |
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FlushMode previousFlushMode = getSession().getFlushMode(); |
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getConversationHolder().getSession().setFlushMode(FlushMode.AUTO);
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getSession().setFlushMode(FlushMode.AUTO); |
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deleteBean(deleteEvent.getBean()); |
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getConversationHolder().getSession().setFlushMode(previousFlushMode);
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getSession().setFlushMode(previousFlushMode); |
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} |
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/** |
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return action.getSourceView() != null && getView().equals(action.getSourceView()); |
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} |
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@Override |
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protected void init(V view) {
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super.init(view); |
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registerListeners(); |
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} |
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@Override |
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public void onViewExit() {
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super.onViewExit(); |
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unregisterListeners(); |
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} |
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// ------------------------------------------------------------------------- |
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protected void registerListeners() {
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// register as request start and end listener |
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VaadinService service = UI.getCurrent().getSession().getService(); |
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if(service instanceof CdmSpringVaadinServletService){
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logger.trace(String.format("~~~~~ %s register as request listener", _toString()));
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((CdmSpringVaadinServletService)service).addRequestEndListener(this); |
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if(logger.isTraceEnabled()){
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((CdmSpringVaadinServletService)service).addRequestStartListener(this); |
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} |
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} else {
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throw new RuntimeException("Using the CdmSpringVaadinServletService is required for proper per view conversation handling");
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} |
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} |
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/** |
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* |
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*/ |
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protected void unregisterListeners() {
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VaadinService service = UI.getCurrent().getSession().getService(); |
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if(service instanceof CdmSpringVaadinServletService){
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logger.trace(String.format("~~~~~ %s un-register as request listener", _toString()));
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((CdmSpringVaadinServletService)service).removeRequestEndListener(this); |
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if(logger.isTraceEnabled()){
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((CdmSpringVaadinServletService)service).removeRequestStartListener(this); |
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} |
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} else {
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throw new RuntimeException("Using the CdmSpringVaadinServletService is required for proper per view conversation handling");
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} |
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} |
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/** |
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* <b>ONLY USED FOR LOGGING</b> when Level==TRACE |
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* {@inheritDoc}
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*/ |
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@Override |
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public void onRequestStart(VaadinRequest request){
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if(requestNeedsSession(request) ){
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if(getView() instanceof AbstractPopupEditor){
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Object bean = ((AbstractPopupEditor)getView()).getBean(); |
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getSession().merge(bean); |
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} |
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} else {
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// ignore hartbeat, fileupload, push etc |
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logger.trace("ignoring request:" + request.getPathInfo());
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} |
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} |
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/** |
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* Returns <code>true</code> for: |
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* <ul> |
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* <li>..</li> |
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* <ul> |
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* |
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* Return <code>false</code> for: |
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* |
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* <ul> |
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* <li>UILD request in a existing view, like clicking on a button</li> |
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* <ul> |
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* |
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* @return |
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protected boolean isActiveView(){
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return UI.getCurrent() != null && getView() != null && getView() == navigationManager.getCurrentView(); |
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} |
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*/ |
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@Override |
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public void onRequestEnd(VaadinRequest request, VaadinSession session){
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if(requestNeedsSession(request) ){
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logger.trace("onRequestEnd() " + request.getPathInfo() + " " + _toString());
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} else {
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// ignore hartbeat, fileupload, push etc |
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logger.trace("ignoring request:" + request.getPathInfo());
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} |
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} |
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/** |
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* @param request |
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* @return |
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*/ |
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protected boolean requestNeedsSession(VaadinRequest request) {
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return !( |
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ServletPortletHelper.isAppRequest(request) // includes published file request |
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|| ServletPortletHelper.isFileUploadRequest(request) |
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|| ServletPortletHelper.isHeartbeatRequest(request) |
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|| ServletPortletHelper.isPushRequest(request) |
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); |
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} |
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protected abstract void saveBean(DTO bean); |
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/** |
Also available in: Unified diff
ref #7046 completely removing open session per view implementation and adding init strategies for Name and Typedesignation editor