eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/ClassificationContentProvider.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.navigation.navigator;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14
  15 import org.apache.log4j.Logger;
  16 import org.eclipse.jface.viewers.ITreeContentProvider;
  17 import org.eclipse.jface.viewers.Viewer;
  18
  19 import eu.etaxonomy.cdm.model.common.ITreeNode;
  20 import eu.etaxonomy.cdm.model.taxon.Classification;
  21 import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
  22
  23 /**
  24  * <p>ClassificationContentProvider class.</p>
  25  *
  26  * @author n.hoffmann
  27  * @created 17.06.2009
  28  * @version 1.0
  29  */
  30 public class ClassificationContentProvider implements ITreeContentProvider {
  31         private static final Logger logger = Logger
  32                         .getLogger(ClassificationContentProvider.class);
  33
  34         /* (non-Javadoc)
  35          * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
  36          */
  37         /** {@inheritDoc} */
  38         public Object[] getChildren(Object parentElement) {
  39                 if (parentElement instanceof Root) {
  40                         return ((Root) parentElement).getParentBeans().toArray();
  41                 }else if(parentElement instanceof Classification){
  42                         return ((Classification) parentElement).getChildNodes().toArray();
  43                 }
  44
  45
  46                 return new Object[0];
  47         }
  48
  49         /* (non-Javadoc)
  50          * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
  51          */
  52         /** {@inheritDoc} */
  53         public Object getParent(Object element) {
  54                 return null;
  55         }
  56
  57         /* (non-Javadoc)
  58          * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
  59          */
  60         /** {@inheritDoc} */
  61         public boolean hasChildren(Object element) {
  62                 return this.getChildren(element).length > 0;
  63         }
  64
  65         /* (non-Javadoc)
  66          * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
  67          */
  68         /** {@inheritDoc} */
  69         public Object[] getElements(Object inputElement) {
  70                 return this.getChildren(inputElement);
  71         }
  72
  73         /* (non-Javadoc)
  74          * @see org.eclipse.jface.viewers.IContentProvider#dispose()
  75          */
  76         /**
  77          * <p>dispose</p>
  78          */
  79         public void dispose() {
  80         }
  81
  82         /* (non-Javadoc)
  83          * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  84          */
  85         /** {@inheritDoc} */
  86         public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  87         }
  88 }