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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.component;
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import org.vaadin.viritin.fields.CaptionGenerator;
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import org.vaadin.viritin.fields.LazyComboBox;
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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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* A ToManyRelatedEntitiesListSelect which uses a {@link LazyComboBox} as data field.
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*
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* @author a.kohlbecker
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* @since Jun 7, 2017
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*
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*/
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public class ToManyRelatedEntitiesComboboxSelect<V extends Object> extends ToManyRelatedEntitiesListSelect<V, LazyComboBox<V>> {
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private static final long serialVersionUID = -4496067980953939548L;
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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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/**
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* @param itemType
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* @param fieldType
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* @param caption
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*/
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public ToManyRelatedEntitiesComboboxSelect(Class<V> itemType, String caption) {
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super(itemType, null, caption);
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// TODO this.fieldTyp = LazyComboBox.class does not work
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LazyComboBox<V> field = new LazyComboBox<V>(itemType);
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this.fieldType = (Class<LazyComboBox<V>>) field.getClass();
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// addEmptyRowOnInitContent is false in this class since adding row is only possible after setting the PagingProviders
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addEmptyRowOnInitContent = false;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected LazyComboBox<V> newFieldInstance(V val) throws InstantiationException, IllegalAccessException {
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// TODO use the setEntityFieldInstantiator(EntityFieldInstantiator) instead to inject as instantiator?
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LazyComboBox<V> field = new LazyComboBox<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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field.setWidth(100, Unit.PERCENTAGE);
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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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setInternalValue(null);
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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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