eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/combo/EmptyComboElement.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.ui.combo;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 import org.eclipse.jface.util.PropertyChangeEvent;
  17
  18 import eu.etaxonomy.cdm.model.common.DefinedTermBase;
  19 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  20 import eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory;
  21 import eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement;
  22
  23 /**
  24  * <p>EmptyComboElement class.</p>
  25  *
  26  * @author n.hoffmann
  27  * @created Sep 29, 2010
  28  * @version 1.0
  29  */
  30 public class EmptyComboElement<T extends DefinedTermBase> extends TermComboElement<T> {
  31
  32         private List<T> genericTerms = new ArrayList<T>();
  33
  34         /**
  35          * <p>Constructor for EmptyComboElement.</p>
  36          *
  37          * @param formFactory a {@link eu.etaxonomy.taxeditor.ui.forms.CdmFormFactory} object.
  38          * @param parentElement a {@link eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement} object.
  39          * @param labelString a {@link java.lang.String} object.
  40          * @param style a int.
  41          * @param <T> a T object.
  42          */
  43         public EmptyComboElement(CdmFormFactory formFactory,
  44                         ICdmFormElement parentElement, Class<T> termClass, String labelString,
  45                         int style) {
  46                 super(formFactory, parentElement, termClass, labelString, null, style);
  47         }
  48
  49
  50         /* (non-Javadoc)
  51          * @see eu.etaxonomy.taxeditor.forms.term.AbstractTermComboElement#preferredTerms()
  52          */
  53         /** {@inheritDoc} */
  54         @Override
  55         protected List<T> getPreferredTerms() {
  56                 return genericTerms != null ? genericTerms : new ArrayList<T>();
  57         }
  58
  59
  60         /**
  61          * <p>setTerms</p>
  62          *
  63          * @param terms a {@link java.util.List} object.
  64          */
  65         public void setTerms(List<T> terms) {
  66                 if(terms == null){
  67                         throw new IllegalArgumentException("List of terms may not be null");
  68                 }
  69
  70                 this.genericTerms = terms;
  71                 propertyChange(new PropertyChangeEvent(this, PreferencesUtil.PREFERRED_TERMS_CHANGE, this.genericTerms, terms));
  72         }
  73 }