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comparison dbus-d-javatests/jsrc/filetree/FileTreeContentProvider.java @ 0:a5576806d36d

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recreate repository without any libs for lightweight repository
author Frank Benoit <benoit@tionex.de>
date Sat, 20 Oct 2007 18:07:18 +0200
parents
children 65fb7ef02c50
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-1:000000000000 0:a5576806d36d
1 package filetree;
2
3 import java.io.File;
4
5 import org.eclipse.jface.viewers.ITreeContentProvider;
6 import org.eclipse.jface.viewers.Viewer;
7
8 /**
9 * This class provides the content for the tree in FileTree
10 */
11
12 class FileTreeContentProvider implements ITreeContentProvider {
13 /**
14 * Gets the children of the specified object
15 *
16 * @param arg0
17 * the parent object
18 * @return Object[]
19 */
20 public Object[] getChildren(Object arg0) {
21 // Return the files and subdirectories in this directory
22 return ((DataItem) arg0).getChilds();
23 }
24
25 /**
26 * Gets the parent of the specified object
27 *
28 * @param arg0
29 * the object
30 * @return Object
31 */
32 public Object getParent(Object arg0) {
33 // Return this file's parent file
34 return null;//((DataItem) arg0).getParentFile();
35 }
36
37 /**
38 * Returns whether the passed object has children
39 *
40 * @param arg0
41 * the parent object
42 * @return boolean
43 */
44 public boolean hasChildren(Object arg0) {
45 return ((DataItem) arg0).isFolder();
46 }
47
48 /**
49 * Gets the root element(s) of the tree
50 *
51 * @param arg0
52 * the input data
53 * @return Object[]
54 */
55 public Object[] getElements(Object arg0) {
56 // These are the root elements of the tree
57 // We don't care what arg0 is, because we just want all
58 // the root nodes in the file system
59 return ((DataFileSystem)arg0).getRoots();
60 }
61
62 /**
63 * Disposes any created resources
64 */
65 public void dispose() {
66 // Nothing to dispose
67 }
68
69 /**
70 * Called when the input changes
71 *
72 * @param arg0
73 * the viewer
74 * @param arg1
75 * the old input
76 * @param arg2
77 * the new input
78 */
79 public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
80 // Nothing to change
81 }
82 }