eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/model/LineSelection.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.model;
  11
  12 import java.util.Iterator;
  13 import java.util.List;
  14
  15 import org.eclipse.jface.text.IDocument;
  16 import org.eclipse.jface.text.ITextSelection;
  17 import org.eclipse.jface.text.TextSelection;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.jface.viewers.StructuredSelection;
  20
  21 /**
  22  * Extending <code>TextSelection</code> allows us to keep using Eclipse's text selection, while
  23  * <code>IStructuredSelection</code> can be used to send an object associated with the selection,
  24  * i.e. a property source, to the workbench selection service.
  25  *
  26  * @author p.ciardelli
  27  * @created 03.07.2009
  28  */
  29 public class LineSelection extends TextSelection implements IStructuredSelection {
  30
  31         private StructuredSelection structuredSelection;
  32
  33         public LineSelection(ITextSelection selection, IDocument document, Object selectedObject) {
  34                 super(document, selection.getOffset(), selection.getLength());
  35                 if (selectedObject != null) {
  36                         this.structuredSelection = new StructuredSelection(selectedObject);
  37                 } else {
  38                         this.structuredSelection = StructuredSelection.EMPTY;
  39                 }
  40         }
  41
  42         @Override
  43     public Object getFirstElement() {
  44                 return structuredSelection.getFirstElement();
  45         }
  46
  47         @Override
  48     public Iterator<?> iterator() {
  49                 return structuredSelection.iterator();
  50         }
  51
  52         @Override
  53     public int size() {
  54                 return structuredSelection.size();
  55         }
  56
  57         @Override
  58     public Object[] toArray() {
  59                 return structuredSelection.toArray();
  60         }
  61
  62         @Override
  63     public List<?> toList() {
  64                 return structuredSelection.toList();
  65         }
  66 }