* @param dialog the composite.
* @return the <code>TabFolder</code> instance.
*/
private TabFolder createTabFolder(Composite dialog) {
TabFolder folder = new TabFolder(dialog, SWT.BOTTOM);
folder.setLayout(new TabFolderLayout());
FormData folderData = new FormData();
folderData.top = new FormAttachment(0, -3);
folderData.left = new FormAttachment(0, -2);
folderData.right = new FormAttachment(100, +2);
folderData.bottom = new FormAttachment(100, 0);