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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.vaadin.mvp;
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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 eu.etaxonomy.cdm.vaadin.event.AbstractEditorAction;
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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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import eu.etaxonomy.vaadin.mvp.event.EditorViewEvent;
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/**
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* @author a.kohlbecker
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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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private static final long serialVersionUID = -6677074110764145236L;
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@Autowired
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protected ApplicationEventPublisher eventBus;
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/**
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* This method is called directly before setting the bean as item data source to
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* the field group of the editor.
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* <p>
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* Override this method to pre-process the bean if needed. This can be the case if
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* you are using a persistence layer with short running session like Hibernate.
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*
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* @param bean
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* @return
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*/
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protected DTO prepareAsFieldGroupDataSource(DTO bean){
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return bean;
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}
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@EventListener
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public void onEditorPreSaveEvent(EditorPreSaveEvent<DTO> preSaveEvent){
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if(!isFromOwnView(preSaveEvent)){
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return;
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}
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}
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/**
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*
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* @param saveEvent
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*/
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@EventListener
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public void onEditorSaveEvent(EditorSaveEvent<DTO> saveEvent){
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if(!isFromOwnView(saveEvent)){
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return;
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}
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DTO bean = saveEvent.getBean();
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saveBean(bean);
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}
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/**
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*
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* @param saveEvent
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*/
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@EventListener
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public void onEditorDeleteEvent(EditorDeleteEvent<DTO> deleteEvent){
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if(!isFromOwnView(deleteEvent)){
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return;
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}
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deleteBean(deleteEvent.getBean());
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}
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/**
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* @param saveEvent
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* @return
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*/
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protected boolean isFromOwnView(EditorViewEvent saveEvent) {
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return saveEvent.getView().equals(getView());
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}
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protected Class<V> getViewType() {
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return (Class<V>) super.getView().getClass();
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}
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protected boolean isFromOwnView(AbstractEditorAction action){
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return action.getSourceView() != null && getView().equals(action.getSourceView());
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}
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protected abstract void saveBean(DTO bean);
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/**
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* @param bean
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*/
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protected abstract void deleteBean(DTO bean);
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}
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