1 package org
.argeo
.cms
.ui
.jcr
;
3 import java
.util
.ArrayList
;
4 import java
.util
.Arrays
;
8 import javax
.jcr
.NodeIterator
;
9 import javax
.jcr
.RepositoryException
;
11 import org
.argeo
.eclipse
.ui
.EclipseUiException
;
12 import org
.argeo
.eclipse
.ui
.jcr
.util
.JcrItemsComparator
;
13 import org
.eclipse
.jface
.viewers
.ITreeContentProvider
;
14 import org
.eclipse
.jface
.viewers
.Viewer
;
17 * Implementation of the {@code ITreeContentProvider} in order to display a
18 * single JCR node and its children in a tree like structure
20 public class JcrTreeContentProvider
implements ITreeContentProvider
{
21 private static final long serialVersionUID
= -2128326504754297297L;
22 // private Node rootNode;
23 private JcrItemsComparator itemComparator
= new JcrItemsComparator();
26 * Sends back the first level of the Tree. input element must be a single node
29 public Object
[] getElements(Object inputElement
) {
30 Node rootNode
= (Node
) inputElement
;
31 return childrenNodes(rootNode
);
34 public Object
[] getChildren(Object parentElement
) {
35 return childrenNodes((Node
) parentElement
);
38 public Object
getParent(Object element
) {
40 Node node
= (Node
) element
;
41 if (!node
.getPath().equals("/"))
42 return node
.getParent();
45 } catch (RepositoryException e
) {
50 public boolean hasChildren(Object element
) {
52 return ((Node
) element
).hasNodes();
53 } catch (RepositoryException e
) {
54 throw new EclipseUiException("Cannot check children existence on " + element
, e
);
58 protected Object
[] childrenNodes(Node parentNode
) {
60 List
<Node
> children
= new ArrayList
<Node
>();
61 NodeIterator nit
= parentNode
.getNodes();
62 while (nit
.hasNext()) {
63 Node node
= nit
.nextNode();
64 // if (node.getName().startsWith("rep:") || node.getName().startsWith("jcr:")
65 // || node.getName().startsWith("nt:"))
69 Node
[] arr
= children
.toArray(new Node
[0]);
70 Arrays
.sort(arr
, itemComparator
);
72 } catch (RepositoryException e
) {
73 throw new EclipseUiException("Cannot list children of " + parentNode
, e
);
77 public void dispose() {
80 public void inputChanged(Viewer viewer
, Object oldInput
, Object newInput
) {