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  * @version 1.0
  29  */
  30 public class LineSelection extends TextSelection implements IStructuredSelection {
  31
  32         private StructuredSelection structuredSelection;
  33
  34         /**
  35          * <p>Constructor for LineSelection.</p>
  36          *
  37          * @param selection a {@link org.eclipse.jface.text.ITextSelection} object.
  38          * @param document a {@link org.eclipse.jface.text.IDocument} object.
  39          * @param selectedObject a {@link java.lang.Object} object.
  40          */
  41         public LineSelection(ITextSelection selection, IDocument document, Object selectedObject) {
  42                 super(document, selection.getOffset(), selection.getLength());
  43                 if (selectedObject != null) {
  44                         this.structuredSelection = new StructuredSelection(selectedObject);
  45                 } else {
  46                         this.structuredSelection = StructuredSelection.EMPTY;
  47                 }
  48         }
  49
  50         /* (non-Javadoc)
  51          * @see org.eclipse.jface.viewers.IStructuredSelection#getFirstElement()
  52          */
  53         /**
  54          * <p>getFirstElement</p>
  55          *
  56          * @return a {@link java.lang.Object} object.
  57          */
  58         @Override
  59     public Object getFirstElement() {
  60                 return structuredSelection.getFirstElement();
  61         }
  62
  63         /* (non-Javadoc)
  64          * @see org.eclipse.jface.viewers.IStructuredSelection#iterator()
  65          */
  66         /**
  67          * <p>iterator</p>
  68          *
  69          * @return a {@link java.util.Iterator} object.
  70          */
  71         @Override
  72     public Iterator<?> iterator() {
  73                 return structuredSelection.iterator();
  74         }
  75
  76         /* (non-Javadoc)
  77          * @see org.eclipse.jface.viewers.IStructuredSelection#size()
  78          */
  79         /**
  80          * <p>size</p>
  81          *
  82          * @return a int.
  83          */
  84         @Override
  85     public int size() {
  86                 return structuredSelection.size();
  87         }
  88
  89         /* (non-Javadoc)
  90          * @see org.eclipse.jface.viewers.IStructuredSelection#toArray()
  91          */
  92         /**
  93          * <p>toArray</p>
  94          *
  95          * @return an array of {@link java.lang.Object} objects.
  96          */
  97         @Override
  98     public Object[] toArray() {
  99                 return structuredSelection.toArray();
 100         }
 101
 102         /* (non-Javadoc)
 103          * @see org.eclipse.jface.viewers.IStructuredSelection#toList()
 104          */
 105         /**
 106          * <p>toList</p>
 107          *
 108          * @return a {@link java.util.List} object.
 109          */
 110         @Override
 111     public List<?> toList() {
 112                 return structuredSelection.toList();
 113         }
 114 }