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/**
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* Copyright (C) 2018 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.component;
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import org.vaadin.viritin.fields.CaptionGenerator;
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import org.vaadin.viritin.fields.LazyComboBox.FilterableCountProvider;
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import org.vaadin.viritin.fields.LazyComboBox.FilterablePagingProvider;
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import eu.etaxonomy.cdm.vaadin.event.ToOneRelatedEntityReloader;
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import eu.etaxonomy.cdm.vaadin.view.name.CachingPresenter;
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/**
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* @author a.kohlbecker
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* @since May 3, 2018
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*
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*/
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public class ReloadableLazyComboBoxInstantiator<V extends Object> {
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private FilterablePagingProvider<V> filterablePagingProvider = null;
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private FilterableCountProvider filterableCountProvider = null;
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private Integer pageLength = null;
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private CaptionGenerator<V> captionGenerator;
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private CachingPresenter cachingPresenter;
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private Class<V> itemType;
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public ReloadableLazyComboBoxInstantiator(Class<V> itemType){
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this.itemType = itemType;
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}
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/**
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* {@inheritDoc}
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*/
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protected ReloadableLazyComboBox<V> newInstance(V val) throws InstantiationException, IllegalAccessException {
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ReloadableLazyComboBox<V> field = new ReloadableLazyComboBox<V>(itemType);
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// FIXME using the ToOneRelatedEntityReloader created a dependency to the cdm packages, this should be relaxed!!!
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field.addValueChangeListener(new ToOneRelatedEntityReloader(field, cachingPresenter));
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if(filterablePagingProvider == null || filterableCountProvider == null || pageLength == null) {
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throw new RuntimeException("The filterablePagingProvider, filterableCountProvider and pageLength must be set, use setPagingProviders().");
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}
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field.loadFrom(filterablePagingProvider, filterableCountProvider, pageLength);
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if(captionGenerator != null){
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field.setCaptionGenerator(captionGenerator);
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}
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field.setValue(val);
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return field;
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}
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public void setPagingProviders(FilterablePagingProvider<V> filterablePagingProvider, FilterableCountProvider filterableCountProvider, int pageLength,
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CachingPresenter cachingPresenter){
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this.filterablePagingProvider = filterablePagingProvider;
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this.filterableCountProvider = filterableCountProvider;
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this.pageLength = pageLength;
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this.cachingPresenter = cachingPresenter;
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}
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/**
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* @param cdmTitleCacheCaptionGenerator
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*/
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public void setCaptionGenerator(CaptionGenerator<V> captionGenerator) {
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this.captionGenerator = captionGenerator;
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}
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}
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